CN101929249A - Double line stream-line type round end entity pier cap steel bar overall binding construction method - Google Patents
Double line stream-line type round end entity pier cap steel bar overall binding construction method Download PDFInfo
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- CN101929249A CN101929249A CN 201010251114 CN201010251114A CN101929249A CN 101929249 A CN101929249 A CN 101929249A CN 201010251114 CN201010251114 CN 201010251114 CN 201010251114 A CN201010251114 A CN 201010251114A CN 101929249 A CN101929249 A CN 101929249A
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Abstract
The invention discloses a double line stream-line type round end entity pier cap steel bar overall binding construction method, including the following steps: firstly, binding site formation is carried out; secondly, a binding support is set up; thirdly, steel bar blanking and conveying are carried out; fourthly, pier cap steel bar cage binding is carried out, namely the binding support is utilized to bind a plurality of steel bars which are conveyed to the binding site for pier cap steel bar cage binding into a pier cap steel bar cage, the bound pier cap steel bar cage is supported and fixed by the binding support, and the binding support forms a rigid skeleton supporting the pier cap steel bar cage; fifthly, integral hoisting is carried out on the pier cap steel bar cage and the pier cap steel bar is placed into a mould, namely hoisting equipment is adopted to convey the bound pier cap steel bar cage into a cast moulding mould which is well mounted. The invention has reasonable design, rapid construction speed, short construction period and high construction quality, and the problems that construction time is wasted, efficiency is low, construction binding quality is difficult to guarantee, line production construction organization is inconvenient and construction period is long as the existing pier cap steel bar cage is bound on a pier can be effectively solved.
Description
Technical field
The invention belongs to the streamlined nose circle solid pier of special line for passenger trains two-wire technical field of construction, especially relate to a kind of double line stream-line type round end entity pier cap steel bar overall binding construction method.
Background technology
The colligation of special line for passenger trains double line stream-line type round end entity pier cap steel bar is the critical process of special line for passenger trains bridge construction, along with China carries out large-scale special line for passenger trains construction, ratio also increasing (even reaching more than 70%) in the line is busy the road length of employed especially big bridge on the Line for Passenger Transportation, and Passenger dedicated railway Bridge pier shaft structure is single, mostly be the streamlined nose circle solid pier of two-wire, help organizing batch production production, thus nowadays on the special line for passenger trains the streamlined nose circle solid pier of employed two-wire quantity very big.
At present, domestic most of unit in charge of construction is in the streamlined nose circle solid pier of two-wire work progress, its pier cap laid reinforcement binding process is all carried out colligation on pier, not only working space is limited, and difficulty of construction is bigger, has certain construction risk, and colligation inefficiency, be unfavorable for the construction flow process tissue, long construction period, the quality of colligation simultaneously also is difficult to guarantee.In addition, in the practice of construction process, good in order to ensure the pier shaft structure stress of the streamlined nose circle solid pier of need construction two-wire, designing requirement pier cap and the moulding of pier shaft concrete one-time-concreting, this just requires the colligation moulding at the construction field (site) of pier shaft reinforcing bar and pier cap reinforcing bar, carries out concrete building again.Thereby the existing job practices that the pier cap reinforcing bar carries out colligation on pier shaft can not satisfy that the streamlined nose circle solid pier construction of two-wire quantity is big, the construction period tight and construction quality requires high many-sided actual demand.
Summary of the invention
Technical problem to be solved by this invention is at above-mentioned deficiency of the prior art, a kind of double line stream-line type round end entity pier cap steel bar overall binding construction method is provided, it is reasonable in design, speed of application is fast and the construction period is short, construction quality is high, can effectively solve existing pier cap reinforcing cage on pier existing engineering time waste, inefficiency, construction colligation difficult quality guarantee during colligation, be unfavorable for the difficult problem of construction flow process tissue and long construction period.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of double line stream-line type round end entity pier cap steel bar overall binding construction method is characterized in that this method may further comprise the steps:
Step 1, colligation levelling of the land: adopt manually smoothly on the construction plant of the streamlined nose circle solid pier of construction two-wire to go out smooth, as being used for need the construct colligation place of pier cap reinforcing cage of the streamlined nose circle solid pier of two-wire of colligation;
Step 2, binding stand are set up: set up a binding stand that is used for the described pier cap reinforcing cage of colligation in the colligation place described in the step 1; Described binding stand be assemblied to form by many poles and adjacent two described poles between be connected and fixed by dismountable fixed connecting piece;
Step 3, reinforcing bar blanking and transport: according to the project organization and the size of described pier cap reinforcing cage, determine quantity, structure and the size of the used reinforcing bar of the described pier cap reinforcing cage of colligation, and correspondingly many used reinforcing bars of the described pier cap reinforcing cage of colligation are carried out blanking in reinforcement yard; And the binding stand described in the step 2 set up finish before, many used reinforcing bars of the described pier cap reinforcing cage of colligation are transported to described colligation place;
Step 4, the colligation of pier cap reinforcing cage: utilize the binding stand described in the step 2 will be transported to described colligation place and many used reinforcing bars of the described pier cap reinforcing cage of colligation, colligation becomes described pier cap reinforcing cage; In the process of binding, described binding stand is formed for the colligation mould of the described pier cap reinforcing cage of colligation; And the described pier cap reinforcing cage that colligation is finished carries out support fixation by described binding stand, after then the colligation of pier cap reinforcing cage is finished, and the rigid backbone that the corresponding formation of described binding stand is supported described pier cap reinforcing cage;
Mould is gone in step 5, the integral hoisting of pier cap reinforcing cage: the described pier cap reinforcing cage that adopts hanging device that colligation in the step 4 is finished lifts, and the described pier cap reinforcing cage that colligation is finished hung deliver to mounted building in the moulding form, and by designing requirement described pier cap reinforcing cage is placed on and is positioned at described pier shaft reinforcing cage top of building moulding form, then finish the hoisted in position of described pier cap reinforcing cage; Described build moulding form serve as reasons be used for moulding need construct the streamlined nose circle solid pier of two-wire pier shaft the pier shaft moulding form and be laid in described pier shaft moulding form top and be used for the moulding one-time-shaped mould that the pier cap moulding form of double line stream-line type round end entity pier cap forms of need constructing, described pier shaft reinforcing cage is to be used for need the construct reinforcing cage of the streamlined nose circle solid pier of two-wire pier shaft of moulding;
Before the lifting, the weight of the described pier cap reinforcing cage that need earlier colligation be finished is transferred on the suspension centre of described hanging device by described binding stand, and the weight of the described pier cap reinforcing cage that colligation is finished is removed described binding stand after being transferred on the suspension centre of described hanging device again; After treating that described binding stand is finished dismounting, lift by crane again; The colligation of described pier shaft reinforcing cage and described installation work of building moulding form need to finish before the described pier cap reinforcing cage that colligation is finished lifts;
After treating the hoisted in position of described pier cap reinforcing cage, with described pier cap reinforcing cage and the described pier shaft reinforcing cage that is positioned at its below be fixed as one carry out concrete pouring construction again after, just finish the integral construction process of the streamlined nose circle solid pier of the two-wire of constructing.
Above-mentioned double line stream-line type round end entity pier cap steel bar overall binding construction method, it is characterized in that: in the step 1 the quantity of the streamlined nose circle solid pier of the two-wire of constructing be a plurality of, and when reality is constructed to the streamlined nose circle solid pier of a plurality of described two-wires, divide a plurality of construction groups to carry out continuous productive process, and realize the construction of working continuously of a plurality of described construction groups; And a plurality of described construction groups comprise that reinforcing bar blanking construction group, reinforcing bar transport construction group, pier cap reinforcing cage colligation construction group, pier cap reinforcing bar cage hoisting construction group and the streamlined nose circle solid pier of two-wire concrete pouring construction group, then the reinforcing bar blanking described in the step 3 and transport, the reinforcing bar binding described in the step 4 and the pier cap reinforcing cage integral hoisting described in the step 5 go into mould and all uninterruptedly carry out continuously;
When carrying out the reinforcing bar blanking in the step 3, all reinforcing bars that all pier cap reinforcing cages of the streamlined nose circle solid pier of a plurality of described two-wires of colligation are used are concentrated continuous blanking; When transporting, will be blanking finish and be used for needed whole reinforcing bars of complete pier cap reinforcing cage of colligation and transport as a delivery unit, actually transport the reinforcing bar that a plurality of batches of time-divisions transport continuously and each batch transported and should comprise a delivery unit at least.
Above-mentioned double line stream-line type round end entity pier cap steel bar overall binding construction method is characterized in that: the pole described in the step 2 comprises vertical rod, transverse horizontal bar and three types of straight-bars of vertical equity bar; Described binding stand comprise the fastening top, horizontal support that is fixed on many vertical rods on the described colligation place, is fixedly mounted on many vertical rod tops, be fixedly mounted on the bottom level support of many vertical rod bottoms and be laid in the top, horizontal support and the bottom level support between the middle part horizontal stand, described middle part horizontal stand is fixedly mounted in the many described vertical rods; Described top, horizontal support, middle part horizontal stand and bottom level support are assemblied to form by many transverse horizontal bars and Duo Gen vertical equity bar, and described transverse horizontal bar and vertical equity bar all are fixedly mounted in the many described vertical rods; All fixedly connected between described transverse horizontal bar and vertical equity bar and the vertical rod by described fixed connecting piece.
Above-mentioned double line stream-line type round end entity pier cap steel bar overall binding construction method, it is characterized in that: described vertical rod, transverse horizontal bar and vertical equity bar are steel pipe, and all fixedly connected by the steel pipe pipe clamp between transverse horizontal bar and vertical equity bar and the vertical rod; Described vertical rod bottom is fixed on the lumps of wood and props up on the pad.
Above-mentioned double line stream-line type round end entity pier cap steel bar overall binding construction method is characterized in that: when carrying out the colligation of pier cap reinforcing cage in the step 4, the terrain clearance of the pier cap reinforcing cage of institute's colligation bottom should be not less than 30cm.
Above-mentioned double line stream-line type round end entity pier cap steel bar overall binding construction method, it is characterized in that: the pier cap reinforcing cage described in the step 4 comprises that outer cage body and colligation are fixed on the inside reinforcing bar binding structure in the described outer cage body, described outer cage body comprises the reinforcing cage body of upper opening and is laid in the top rebars net sheet on described reinforcing cage body top, described inner reinforcing bar binding structure is fixed on vertical reinforcement in the described outer cage body and colligation from top to bottom by many colligations and is fixed on many multilayer horizontal mesh reinforcement sheets on the described vertical reinforcement and forms, described horizontal mesh reinforcement sheet by many transverse horizontal reinforcing bars and colligation many vertical equity reinforcing bars on many described transverse horizontal reinforcing bars form, described transverse horizontal reinforcing bar is vertical laying with described vertical equity reinforcing bar;
When carrying out the colligation of pier cap reinforcing cage in the step 4, utilize the top, horizontal support that top rebars net sheet is carried out colligation, and the corresponding colligation moulding form that is formed for the described top rebars net of colligation of top, horizontal support; Simultaneously, utilize the bottom level support that the polycrystalline substance of need colligation pier cap reinforcing cage is finalized the design, and the corresponding colligation shaper that is formed for moulding need colligation pier cap reinforcing cage polycrystalline substance of bottom level support.
Above-mentioned double line stream-line type round end entity pier cap steel bar overall binding construction method is characterized in that: actual when carrying out the colligation of pier cap reinforcing cage, and the outer cage body of the described pier cap reinforcing cage of first colligation moulding, the inside bar construction to described outer cage body carries out colligation again; And during the described outer cage body of colligation, utilize the top, horizontal support that described top rebars net sheet is carried out colligation earlier, on the basis of the top rebars net sheet of colligation moulding, utilize the bottom level support that described reinforcing cage body is carried out colligation again.
Above-mentioned double line stream-line type round end entity pier cap steel bar overall binding construction method, it is characterized in that: described reinforcing cage body is made up of many vertical " U " font reinforcing bars, many described vertical " U " font reinforcing bars are equidistantly laid along the length direction of institute's colligation pier cap reinforcing cage, and the both ends of described vertical " U " font reinforcing bar respectively colligation be fixed on the both sides, front and back of top rebars net sheet;
Described in the step 3 in reinforcement yard many used reinforcing bars of the described pier cap reinforcing cage of colligation are carried out blanking the time, vertical " U " font reinforcing bar is processed into the straight reinforcing bar one that both ends have crotch; And when in step 4, described reinforcing cage body being carried out colligation, earlier an end of straight reinforcing bar one is fixed on a side of top rebars net sheet, again described straight reinforcing bar one is passed from the bottom level support, more described straight reinforcing bar one is curved " U " font afterwards and its other end is fixed on the opposite side of top rebars net sheet; Actual to vertical " U " font reinforcing bar fixedly the time, first crotch with its both ends is hooked on the top rebars net sheet, carries out colligation again and fixes.
Above-mentioned double line stream-line type round end entity pier cap steel bar overall binding construction method, it is characterized in that: described in the step 3 in reinforcement yard many used reinforcing bars of the described pier cap reinforcing cage of colligation are carried out blanking the time, the transverse horizontal reinforcing bar is processed into the straight reinforcing bar two that both ends have crotch; And when in step 4, described inner reinforcing bar binding structure being carried out colligation, earlier many described vertical reinforcements are carried out colligation, the described horizontal mesh reinforcement sheet of multilayer is carried out colligation from top to bottom again; And during the described horizontal mesh reinforcement sheet of colligation, earlier many transverse horizontal reinforcing bars are carried out colligation, more described vertical equity reinforcing bars are carried out colligation.
Above-mentioned double line stream-line type round end entity pier cap steel bar overall binding construction method, it is characterized in that: described outer cage body also comprises two ends, the left and right sides outside that is laid in described reinforcing cage body and many horizontal " U " font reinforcing bars of integral reinforcing is carried out in the described reinforcing cage body left and right sides that many described horizontal " U " font reinforcing bars are laid from top to bottom; When carrying out the reinforcing bar blanking in the step 3, described laterally " U " font reinforcing bar is processed into the straight reinforcing bar three that both ends have crotch; The both ends of described laterally " U " font reinforcing bar are fixed with vertical " U " font reinforcing bar binding respectively, and both ends, the left and right sides colligation of horizontal " U " font reinforcing bar middle part and many transverse horizontal reinforcing bars is fixed as one; When carrying out the colligation of pier cap reinforcing cage in the step 4, treat again described laterally " U " font reinforcing bar to be carried out colligation after the colligation of described inner reinforcing bar binding structure is finished, actual described laterally " U " font reinforcing bar is carried out colligation fixedly the time, earlier the described laterally crotch of " U " font reinforcing bar one end is hooked on a vertically side of " U " font reinforcing bar, again described laterally " U " font reinforcing bar is curved " U " font and the crotch of its other end is hooked on the vertically opposite side of " U " font reinforcing bar around the described reinforcing cage body of colligation moulding, should guarantee that simultaneously the crotch that transverse horizontal is end reinforced is hooked on described laterally " U " font reinforcing bar, carries out colligation to the hook place between described laterally " U " font reinforcing bar and vertical " U " font reinforcing bar and the transverse horizontal reinforcing bar more afterwards and fixes.
The present invention compared with prior art has the following advantages:
1, reasonable in design, pier cap reinforcing cage overall binding is convenient and input cost is low.
2, colligation speed is fast, can reduce the construction period of the streamlined nose circle solid pier of two-wire significantly, especially the streamlined nose circle solid pier of the two-wire of constructing quantity bigger, for example the streamlined nose circle solid pier of the two-wire of institute's construction section is hundreds and thousands of, then corresponding when wanting hundreds and thousands of pier caps of colligation, of the present invention a bit more outstanding.
3, the reinforcing bar of being processed during the reinforcing bar blanking is straight reinforcing bar, thereby the reinforcing bar procedure of processing is very easy, and process velocity is fast, and machining accuracy is high and be easy to realize mass production.The pier cap reinforcing bar is taked in reinforcement yard according to different model according to the design size unified allocation of materials to lower units, and batch production production adopts flat car to be transported to the overall binding that the pier cap reinforcing cage is carried out at the colligation scene.
4, adopt when being transported to the straight reinforcing bar in colligation place and the pier cap reinforcing cage being carried out colligation in conjunction with binding method disclosed in this invention, have following two aspect advantages: if first reinforcing bar with all size all is processed into semiproduct again in binding stand during colligation, then can cause interspersed each other intussusception of reinforcing bar and interference, make the part reinforcing bar to penetrate; If the second reinforcing bar binding speed is slow excessively, the activity time that reinforcing bar stops in binding stand is long, then cause binding stand (i.e. top cap reinforcing bar binding template) to produce corrosion, inaccurate and the welding inconvenience in concrete pad location, even welding slag is burnt or is polluted practical problems such as template, and, then be unfavorable for construction flow process if colligation operation required time is long.
5, pier cap reinforcing cage colligation speed is fast, and the required construction period is short, promptly at first the reinforcing bar blanking is become straight reinforcing bar one (promptly vertical " U " font reinforcing bar) and the corresponding again U of curving type and installation when colligation; 5 people can finish with colligation in 1.5 days the soonest in this way, have improved operating efficiency greatly.Thereby, when the pier cap reinforcing cage being carried out colligation, can effectively avoid reinforcing bar mutual interspersed intussusception and interference problem according to reinforcing bar binding order of the present invention, effectively guarantee the colligation speed of pier cap reinforcing cage.
6, adopt colligation pier cap reinforcing cage outside pier, with build the forming panel installation can be parallel or in advance and build the operation of forming panel flow chart, and after colligation moulding of pier cap reinforcing cage and binding stand dismounting, can lift the pier cap reinforcing cage immediately, and correspondingly carry out concrete pouring, one-shot forming pier shaft and pier cap, shorten the template turn around time greatly, reduced the workload of reinforcing bar binding.
7, with the process modification of traditional " first blanking, then be bent into semiproduct colligation again " technology for " blanking rear section stirrup bends in colligation ", modern design, and colligation is convenient, and labour intensity is low and colligation speed is fast.For example, need 3 day time when adopting conventional method on pier shaft the pier cap reinforcing cage to be carried out colligation, the pier shaft reinforcing bar binding needs 3 days, template fall with the cycle be 7 days/pier; Adopt the present invention that the colligation operation and the pier shaft reinforcing bar binding of pier cap reinforcing cage are carried out synchronously, thereby template is 4 a days/pier with the cycle.
8, all pier cap reinforcing cages set up that binding stand carries out overall binding and mould is gone in integral hoisting in that pier is other, be convenient to flowing water construction operation tissue, its reinforcing bar blanking, reinforcing bar transport, the colligation of pier cap reinforcing cage and the integral hoisting of pier cap reinforcing cage are gone into operations such as mould and can be realized pipelining.
9, practical value height and popularizing application prospect are extensive, under tight situation of special construction period of present domestic visitor, can effectively solve the pier cap reinforcing cage on pier existing engineering time waste, inefficiency, construction colligation difficult quality guarantee during colligation, be unfavorable for the difficult problem of construction flow process tissue and long construction period.The invention provides a kind of new pier cap reinforcing bar binding construction technology, the method is taked the pier cap reinforcing cage to lift the method that mould is installed again behind the overall binding of ground with proper construction technology, construct with short production cycle, saved a large amount of engineering times (colligation can be carried out simultaneously even can carry out in advance with the pier shaft reinforcing bar binding), construction quality is effectively guaranteed, and the construction danger that the ground colligation has reduced work high above the ground strengthened working security greatly, and good social benefit and economy are arranged.
In sum, the present invention is reasonable in design, speed of application is fast and the construction period is short, construction quality is high, can effectively solve existing pier cap reinforcing cage on pier existing engineering time waste, inefficiency, construction colligation difficult quality guarantee during colligation, be unfavorable for the difficult problem of construction flow process tissue and long construction period.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Description of drawings
Fig. 1 carries out the job practices flow chart of overall binding to the pier cap reinforcing cage for the present invention.
Fig. 2 finishes the structural representation of pier cap reinforcing cage for the present invention's colligation.
Description of reference numerals:
The 1-vertical rod; 2-transverse horizontal bar; 3-vertical equity bar;
4-top, horizontal support; 5-bottom level support; 6-middle part horizontal stand;
7-top rebars net sheet; Vertical " U " font reinforcing bar of 8-; 9-transverse horizontal reinforcing bar;
The 10-lumps of wood props up pad 10.
The specific embodiment
A kind of double line stream-line type round end entity pier cap steel bar overall binding construction method as shown in Figure 1 may further comprise the steps:
Step 1, colligation levelling of the land: adopt manually smoothly on the construction plant of the streamlined nose circle solid pier of construction two-wire to go out smooth, as being used for need the construct colligation place of pier cap reinforcing cage of the streamlined nose circle solid pier of two-wire of colligation.
In the present embodiment, the area in the smooth colligation place that goes out be 18.0m
2, promptly during practice of construction, should be smooth as far as possible go out enough big place, so that the setting up of described binding stand
Step 2, binding stand are set up: set up a binding stand that is used for the described pier cap reinforcing cage of colligation in the colligation place described in the step 1; Described binding stand be assemblied to form by many poles and adjacent two described poles between be connected and fixed by dismountable fixed connecting piece.
In conjunction with Fig. 2, described pole comprises vertical rod 1, transverse horizontal bar 2 and 3 three types of straight-bars of vertical equity bar.Described binding stand comprise the fastening top, horizontal support 4 that is fixed on many vertical rods 1 on the described colligation place, is fixedly mounted on many vertical rods 1 top, be fixedly mounted on the bottom level support 5 of many vertical rods 1 bottom and be laid in top, horizontal support 4 and bottom level support 5 between middle part horizontal stand 6, described middle part horizontal stand 6 is fixedly mounted in the many described vertical rods 1.Described top, horizontal support 4, middle part horizontal stand 6 and bottom level support 5 are assemblied to form by many transverse horizontal bars 2 and Duo Gen vertical equity bar 3, and described transverse horizontal bar 2 and vertical equity bar 3 all are fixedly mounted in the many described vertical rods 1.All fixedly connected between described transverse horizontal bar 2 and vertical equity bar 3 and the vertical rod 1 by described fixed connecting piece.
In the present embodiment, described vertical rod 1, transverse horizontal bar 2 and vertical equity bar 3 are steel pipe, and all fixedly connected by the steel pipe pipe clamp between transverse horizontal bar 2 and vertical equity bar 3 and the vertical rod 1.Described vertical rod 1 bottom is fixed on the lumps of wood and props up on the pad 10.
When actual support was laid, the lumps of wood that adopts props up and fills up 10 cross sectional dimensions was 10cm * 10cm, and two or three vertical rod 1 shared lumps of wood prop up and fill up 10.In the present embodiment, two vertical rod 1 shared lumps of wood prop up pad 10.
In the present embodiment, the quantity of described middle part horizontal stand 6 is one, and described middle part horizontal stand 6 is laid in the middle part of many vertical rods 1.In addition, the quantity of described vertical rod 1 is 12, and 12 vertical rods 1 divide 4 rows to lay on the length direction of described pier cap reinforcing cage and each is arranged and is provided with 3 vertical rods 1.
To sum up, in the present embodiment, adopt steel pipe to set up described binding stand, particularly: establish 3 row's vertical rods 1 at the width of need colligation pier cap reinforcing cage, and whenever arrange along the length direction that needs colligation pier cap reinforcing cage again and establish 4 parallel vertical rods of setting up 1; And the upper, middle and lower portion of described vertical rod 1 arranges three row's steel pipes respectively and adopts the steel pipe pipe clamp to fix, the corresponding formation top, horizontal of three row's steel pipes support 4, middle part horizontal stand 6 and the bottom level support 5 laid.In order to prevent that steel pipe from sinking, the lumps of wood of laying 10 * 10cm at the steel pipe leg place of vertical rod 1 props up pad 10.Simultaneously, in order further to increase the steadiness of described binding stand, the outside also is laid with many and is tilted to supporting steel pipe described binding stand is carried out support fixation around described binding stand, and the described top that is tilted to supporting steel pipe is fixed on the described top, horizontal support 4.
Step 3, reinforcing bar blanking and transport: according to the project organization and the size of described pier cap reinforcing cage, determine quantity, structure and the size of the used reinforcing bar of the described pier cap reinforcing cage of colligation, and correspondingly many used reinforcing bars of the described pier cap reinforcing cage of colligation are carried out blanking in reinforcement yard; And the binding stand described in the step 2 set up finish before, many used reinforcing bars of the described pier cap reinforcing cage of colligation are transported to described colligation place.
That is to say, any pier cap reinforcing cage for institute's colligation, reinforcing bar blanking described in the step 3 and transporting needs to set up in the process at the binding stand described in colligation levelling of the land described in the step 1 and the step 2 to be carried out synchronously, perhaps carries out before the colligation levelling of the land described in the step 1.
Step 4, the colligation of pier cap reinforcing cage: utilize the binding stand described in the step 2 will be transported to described colligation place and many used reinforcing bars of the described pier cap reinforcing cage of colligation, colligation becomes described pier cap reinforcing cage; In the process of binding, described binding stand is formed for the colligation mould of the described pier cap reinforcing cage of colligation; And the described pier cap reinforcing cage that colligation is finished carries out support fixation by described binding stand, after then the colligation of pier cap reinforcing cage is finished, and the rigid backbone that the corresponding formation of described binding stand is supported described pier cap reinforcing cage.
When carrying out the colligation of pier cap reinforcing cage in this step, the terrain clearance of the pier cap reinforcing cage of institute's colligation bottom should be not less than 30cm.
In the present embodiment, described pier cap reinforcing cage comprises that outer cage body and colligation are fixed on the inside reinforcing bar binding structure in the described outer cage body, described outer cage body comprises the reinforcing cage body of upper opening and is laid in the top rebars net sheet 7 on described reinforcing cage body top, described inner reinforcing bar binding structure is fixed on vertical reinforcement in the described outer cage body and colligation from top to bottom by many colligations and is fixed on many multilayer horizontal mesh reinforcement sheets on the described vertical reinforcement and forms, described horizontal mesh reinforcement sheet by many transverse horizontal reinforcing bars 9 and colligation many vertical equity reinforcing bars on many described transverse horizontal reinforcing bars 9 form, described transverse horizontal reinforcing bar 9 is vertical laying with described vertical equity reinforcing bar.
Actual when carrying out the colligation of pier cap reinforcing cage, utilize 4 pairs of top rebars nets of top, horizontal support sheet 7 to carry out colligation, and the top, horizontal support 4 corresponding colligation moulding forms that are formed for the described top rebars net 7 of colligation; Simultaneously, utilize the polycrystalline substance of 5 pairs of need of bottom level support colligation pier cap reinforcing cage to finalize the design, and the bottom level support 5 corresponding colligation shapers that are formed for moulding need colligation pier cap reinforcing cage polycrystalline substance.
In the present embodiment, when carrying out the colligation of pier cap reinforcing cage, the outer cage body of the described pier cap reinforcing cage of first colligation moulding, the inside bar construction to described outer cage body carries out colligation again.And during the described outer cage body of colligation, utilize 4 pairs of described top rebars net sheets 7 of top, horizontal support to carry out colligation earlier, on the basis of the top rebars net sheet 7 of colligation moulding, utilize 5 pairs of described reinforcing cage bodies of bottom level support to carry out colligation again.
Described reinforcing cage body is made up of many vertical " U " font reinforcing bars 8, many described vertical " U " font reinforcing bars 8 are equidistantly laid along the length direction of institute's colligation pier cap reinforcing cage, and the both ends of described vertical " U " font reinforcing bar 8 respectively colligation be fixed on the both sides, front and back of top rebars net sheet 7.When in reinforcement yard many used reinforcing bars of the described pier cap reinforcing cage of colligation being carried out blanking in the step 3, vertical " U " font reinforcing bar 8 is processed into the straight reinforcing bar one that both ends have crotch.And when in step 4, described reinforcing cage body being carried out colligation, earlier an end of straight reinforcing bar one is fixed on a side of top rebars net sheet 7, again described straight reinforcing bar one is passed from bottom level support 5, more described straight reinforcing bar one is curved " U " font afterwards and its other end is fixed on the opposite side of top rebars net sheet 7.Actual to vertical " U " font reinforcing bar 8 fixedly the time, first crotch with its both ends is hooked on the top rebars net sheet 7, carries out colligation again and fixes.
In addition, when in reinforcement yard many used reinforcing bars of the described pier cap reinforcing cage of colligation being carried out blanking in the step 3, transverse horizontal reinforcing bar 9 is processed into the straight reinforcing bar two that both ends have crotch.And when in step 4, described inner reinforcing bar binding structure being carried out colligation, earlier many described vertical reinforcements are carried out colligation, the described horizontal mesh reinforcement sheet of multilayer is carried out colligation from top to bottom again.And during the described horizontal mesh reinforcement sheet of colligation, earlier many transverse horizontal reinforcing bars 9 are carried out colligation, more described vertical equity reinforcing bars are carried out colligation.In the present embodiment, the crotch at described straight reinforcing bar one and straight reinforcing bar two both ends is 90 ° of crotches, and transverse horizontal reinforcing bar 9 (being straight reinforcing bar two) is carried out colligation fixedly the time, should guarantee that 90 ° of crotches at transverse horizontal reinforcing bar 9 both ends are all laid up.
Simultaneously, in the present embodiment, described outer cage body also comprises two ends, the left and right sides outside that is laid in described reinforcing cage body and many horizontal " U " font reinforcing bars of integral reinforcing is carried out in the described reinforcing cage body left and right sides that many described horizontal " U " font reinforcing bars are laid from top to bottom.When carrying out the reinforcing bar blanking in the step 3, described laterally " U " font reinforcing bar is processed into the straight reinforcing bar three that both ends have crotch; The both ends of described laterally " U " font reinforcing bar are fixed with vertical " U " font reinforcing bar 8 colligations respectively, and both ends, the left and right sides colligation of horizontal " U " font reinforcing bar middle part and many transverse horizontal reinforcing bars 9 is fixed as one.When carrying out the colligation of pier cap reinforcing cage in the step 4, treat again described laterally " U " font reinforcing bar to be carried out colligation after the colligation of described inner reinforcing bar binding structure is finished, actual described laterally " U " font reinforcing bar is carried out colligation fixedly the time, earlier the described laterally crotch of " U " font reinforcing bar one end is hooked on a vertically side of " U " font reinforcing bar 8, again described laterally " U " font reinforcing bar is curved " U " font and the crotch of its other end is hooked on the vertically opposite side of " U " font reinforcing bar 8 around the described reinforcing cage body of colligation moulding, should guarantee simultaneously the crotch of transverse horizontal reinforcing bar 9 ends is hooked on described laterally " U " font reinforcing bar, again the hook place between described laterally " U " font reinforcing bar and vertical " U " font reinforcing bar 8 and the transverse horizontal reinforcing bar 9 be carried out colligation afterwards and fix.
Mould is gone in step 5, the integral hoisting of pier cap reinforcing cage: the described pier cap reinforcing cage that adopts hanging device that colligation in the step 4 is finished lifts, and the described pier cap reinforcing cage that colligation is finished hung deliver to mounted building in the moulding form, and by designing requirement described pier cap reinforcing cage is placed on and is positioned at described pier shaft reinforcing cage top of building moulding form, then finish the hoisted in position of described pier cap reinforcing cage; Described build moulding form serve as reasons be used for moulding need construct the streamlined nose circle solid pier of two-wire pier shaft the pier shaft moulding form and be laid in described pier shaft moulding form top and be used for the moulding one-time-shaped mould that the pier cap moulding form of double line stream-line type round end entity pier cap forms of need constructing, described pier shaft reinforcing cage is to be used for need the construct reinforcing cage of the streamlined nose circle solid pier of two-wire pier shaft of moulding.
Before the lifting, the weight of the described pier cap reinforcing cage that need earlier colligation be finished is transferred on the suspension centre of described hanging device by described binding stand, and the weight of the described pier cap reinforcing cage that colligation is finished is removed described binding stand after being transferred on the suspension centre of described hanging device again; After treating that described binding stand is finished dismounting, lift by crane again; The colligation of described pier shaft reinforcing cage and described installation work of building moulding form need to finish before the described pier cap reinforcing cage that colligation is finished lifts.
After treating the hoisted in position of described pier cap reinforcing cage, with described pier cap reinforcing cage and the described pier shaft reinforcing cage that is positioned at its below be fixed as one carry out concrete pouring construction again after, just finish the integral construction process of the streamlined nose circle solid pier of the two-wire of constructing.
In the present embodiment, after the colligation of described pier cap reinforcing cage is finished, 15 tons of cranes of field by using, the pier cap reinforcing cage top of finishing in colligation is provided with 4 suspension centres, and mould is gone in the integral hoisting of pier cap reinforcing cage.
In the present embodiment, in the step 1 the quantity of the streamlined nose circle solid pier of the two-wire of constructing be a plurality of, and when reality is constructed to the streamlined nose circle solid pier of a plurality of described two-wires, divide a plurality of construction groups to carry out continuous productive process, and realize the construction of working continuously of a plurality of described construction groups; And a plurality of described construction groups comprise that reinforcing bar blanking construction group, reinforcing bar transport construction group, pier cap reinforcing cage colligation construction group, pier cap reinforcing bar cage hoisting construction group and the streamlined nose circle solid pier of two-wire concrete pouring construction group, then the reinforcing bar blanking described in the step 3 and transport, the reinforcing bar binding described in the step 4 and the pier cap reinforcing cage integral hoisting described in the step 5 go into mould and all uninterruptedly carry out continuously.
When carrying out the reinforcing bar blanking in the step 3, all reinforcing bars that all pier cap reinforcing cages of the streamlined nose circle solid pier of a plurality of described two-wires of colligation are used are concentrated continuous blanking; When transporting, will be blanking finish and be used for needed whole reinforcing bars of complete pier cap reinforcing cage of colligation and transport as a delivery unit, actually transport the reinforcing bar that a plurality of batches of time-divisions transport continuously and each batch transported and should comprise a delivery unit at least.
To sum up, when carrying out the reinforcing bar blanking in the step 3, form all reinforcing bars of top rebars net sheet 7, described vertical reinforcement, transverse horizontal reinforcing bar 9, described vertical equity reinforcing bar, vertical " U " font reinforcing bar 8 and described laterally " U " font reinforcing bar and all be processed as smooth reinforcing bar, thereby the reinforcing bar procedure of processing is very easy, is easy to realize mass production.Simultaneously, when carrying out colligation in proper order, also can effectively avoid reinforcing bar mutual interspersed intussusception and interference problem, can effectively guarantee the colligation speed of pier cap reinforcing cage according to the colligation in the step 4.
The above; it only is preferred embodiment of the present invention; be not that the present invention is imposed any restrictions, everyly any simple modification that above embodiment did, change and equivalent structure changed, all still belong in the protection domain of technical solution of the present invention according to the technology of the present invention essence.
Claims (10)
1. double line stream-line type round end entity pier cap steel bar overall binding construction method is characterized in that this method may further comprise the steps:
Step 1, colligation levelling of the land: adopt manually smoothly on the construction plant of the streamlined nose circle solid pier of construction two-wire to go out smooth, as being used for need the construct colligation place of pier cap reinforcing cage of the streamlined nose circle solid pier of two-wire of colligation;
Step 2, binding stand are set up: set up a binding stand that is used for the described pier cap reinforcing cage of colligation in the colligation place described in the step 1; Described binding stand be assemblied to form by many poles and adjacent two described poles between be connected and fixed by dismountable fixed connecting piece;
Step 3, reinforcing bar blanking and transport: according to the project organization and the size of described pier cap reinforcing cage, determine quantity, structure and the size of the used reinforcing bar of the described pier cap reinforcing cage of colligation, and correspondingly many used reinforcing bars of the described pier cap reinforcing cage of colligation are carried out blanking in reinforcement yard; And the binding stand described in the step 2 set up finish before, many used reinforcing bars of the described pier cap reinforcing cage of colligation are transported to described colligation place;
Step 4, the colligation of pier cap reinforcing cage: utilize the binding stand described in the step 2 will be transported to described colligation place and many used reinforcing bars of the described pier cap reinforcing cage of colligation, colligation becomes described pier cap reinforcing cage; In the process of binding, described binding stand is formed for the colligation mould of the described pier cap reinforcing cage of colligation; And the described pier cap reinforcing cage that colligation is finished carries out support fixation by described binding stand, after then the colligation of pier cap reinforcing cage is finished, and the rigid backbone that the corresponding formation of described binding stand is supported described pier cap reinforcing cage;
Mould is gone in step 5, the integral hoisting of pier cap reinforcing cage: the described pier cap reinforcing cage that adopts hanging device that colligation in the step 4 is finished lifts, and the described pier cap reinforcing cage that colligation is finished hung deliver to mounted building in the moulding form, and by designing requirement described pier cap reinforcing cage is placed on and is positioned at described pier shaft reinforcing cage top of building moulding form, then finish the hoisted in position of described pier cap reinforcing cage; Described build moulding form serve as reasons be used for moulding need construct the streamlined nose circle solid pier of two-wire pier shaft the pier shaft moulding form and be laid in described pier shaft moulding form top and be used for the moulding one-time-shaped mould that the pier cap moulding form of double line stream-line type round end entity pier cap forms of need constructing, described pier shaft reinforcing cage is to be used for need the construct reinforcing cage of the streamlined nose circle solid pier of two-wire pier shaft of moulding;
Before the lifting, the weight of the described pier cap reinforcing cage that need earlier colligation be finished is transferred on the suspension centre of described hanging device by described binding stand, and the weight of the described pier cap reinforcing cage that colligation is finished is removed described binding stand after being transferred on the suspension centre of described hanging device again; After treating that described binding stand is finished dismounting, lift by crane again; The colligation of described pier shaft reinforcing cage and described installation work of building moulding form need to finish before the described pier cap reinforcing cage that colligation is finished lifts;
After treating the hoisted in position of described pier cap reinforcing cage, with described pier cap reinforcing cage and the described pier shaft reinforcing cage that is positioned at its below be fixed as one carry out concrete pouring construction again after, just finish the integral construction process of the streamlined nose circle solid pier of the two-wire of constructing.
2. according to the described double line stream-line type round end entity pier cap steel bar overall binding construction method of claim 1, it is characterized in that: in the step 1 the quantity of the streamlined nose circle solid pier of the two-wire of constructing be a plurality of, and when reality is constructed to the streamlined nose circle solid pier of a plurality of described two-wires, divide a plurality of construction groups to carry out continuous productive process, and realize the construction of working continuously of a plurality of described construction groups; And a plurality of described construction groups comprise that reinforcing bar blanking construction group, reinforcing bar transport construction group, pier cap reinforcing cage colligation construction group, pier cap reinforcing bar cage hoisting construction group and the streamlined nose circle solid pier of two-wire concrete pouring construction group, then the reinforcing bar blanking described in the step 3 and transport, the reinforcing bar binding described in the step 4 and the pier cap reinforcing cage integral hoisting described in the step 5 go into mould and all uninterruptedly carry out continuously;
When carrying out the reinforcing bar blanking in the step 3, all reinforcing bars that all pier cap reinforcing cages of the streamlined nose circle solid pier of a plurality of described two-wires of colligation are used are concentrated continuous blanking; When transporting, will be blanking finish and be used for needed whole reinforcing bars of complete pier cap reinforcing cage of colligation and transport as a delivery unit, actually transport the reinforcing bar that a plurality of batches of time-divisions transport continuously and each batch transported and should comprise a delivery unit at least.
3. according to claim 1 or 2 described double line stream-line type round end entity pier cap steel bar overall binding construction methods, it is characterized in that: the pole described in the step 2 comprises vertical rod (1), transverse horizontal bar (2) and (3) three types of straight-bars of vertical equity bar; Described binding stand comprise the fastening top, horizontal support (4) that is fixed on many vertical rods (1) on the described colligation place, is fixedly mounted on many vertical rods (1) top, be fixedly mounted on the bottom level support (5) of many vertical rods (1) bottom and be laid in top, horizontal support (4) and bottom level support (5) between middle part horizontal stand (6), described middle part horizontal stand (6) is fixedly mounted in the many described vertical rods (1); Described top, horizontal support (4), middle part horizontal stand (6) and bottom level support (5) are assemblied to form by many transverse horizontal bars (2) and many vertical equity bars (3), and described transverse horizontal bar (2) and vertical equity bar (3) all are fixedly mounted in the many described vertical rods (1); All fixedly connected between described transverse horizontal bar (2) and vertical equity bar (3) and the vertical rod (1) by described fixed connecting piece.
4. according to the described double line stream-line type round end entity pier cap steel bar overall binding construction method of claim 3, it is characterized in that: described vertical rod (1), transverse horizontal bar (2) and vertical equity bar (3) are steel pipe, and all fixedly connected by the steel pipe pipe clamp between transverse horizontal bar (2) and vertical equity bar (3) and the vertical rod (1); Described vertical rod (1) bottom is fixed on the lumps of wood and props up on the pad (10).
5. according to claim 1 or 2 described double line stream-line type round end entity pier cap steel bar overall binding construction methods, it is characterized in that: when carrying out the colligation of pier cap reinforcing cage in the step 4, the terrain clearance of the pier cap reinforcing cage of institute's colligation bottom should be not less than 30cm.
6. according to claim 1 or 2 described double line stream-line type round end entity pier cap steel bar overall binding construction methods, it is characterized in that: the pier cap reinforcing cage described in the step 4 comprises that outer cage body and colligation are fixed on the inside reinforcing bar binding structure in the described outer cage body, described outer cage body comprises the reinforcing cage body of upper opening and is laid in the top rebars net sheet (7) on described reinforcing cage body top, described inner reinforcing bar binding structure is fixed on vertical reinforcement in the described outer cage body and colligation from top to bottom by many colligations and is fixed on many multilayer horizontal mesh reinforcement sheets on the described vertical reinforcement and forms, described horizontal mesh reinforcement sheet by many transverse horizontal reinforcing bars (9) and colligation many vertical equity reinforcing bars on many described transverse horizontal reinforcing bars (9) form, described transverse horizontal reinforcing bar (9) is vertical laying with described vertical equity reinforcing bar;
When carrying out the colligation of pier cap reinforcing cage in the step 4, utilize top, horizontal support (4) that top rebars net sheet (7) is carried out colligation, and the corresponding colligation moulding form that is formed for the described top rebars net of colligation (7) of top, horizontal support (4); Simultaneously, utilize bottom level support (5) that the polycrystalline substance of need colligation pier cap reinforcing cage is finalized the design, and the corresponding colligation shaper that is formed for moulding need colligation pier cap reinforcing cage polycrystalline substance of bottom level support (5).
7. according to the described double line stream-line type round end entity pier cap steel bar overall binding construction method of claim 6, it is characterized in that: actual when carrying out the colligation of pier cap reinforcing cage, the outer cage body of the described pier cap reinforcing cage of elder generation's colligation moulding, the inside bar construction to described outer cage body carries out colligation again; And during the described outer cage body of colligation, utilize top, horizontal support (4) that described top rebars net sheet (7) is carried out colligation earlier, on the basis of the top rebars net sheet (7) of colligation moulding, utilize bottom level support (5) that described reinforcing cage body is carried out colligation again.
8. according to the described double line stream-line type round end entity pier cap steel bar overall binding construction method of claim 7, it is characterized in that: described reinforcing cage body is made up of many vertical " U " font reinforcing bars (8), many described vertical " U " font reinforcing bars (8) are equidistantly laid along the length direction of institute's colligation pier cap reinforcing cage, and the both ends of described vertical " U " font reinforcing bar (8) respectively colligation be fixed on the both sides, front and back of top rebars net sheet (7);
Described in the step 3 in reinforcement yard many used reinforcing bars of the described pier cap reinforcing cage of colligation are carried out blanking the time, vertical " U " font reinforcing bar (8) is processed into the straight reinforcing bar one that both ends have crotch; And when in step 4, described reinforcing cage body being carried out colligation, earlier an end of straight reinforcing bar one is fixed on a side of top rebars net sheet (7), again described straight reinforcing bar one is passed from bottom level support (5), more described straight reinforcing bar one is curved " U " font afterwards and its other end is fixed on the opposite side of top rebars net sheet (7); Actual to vertical " U " font reinforcing bar (8) fixedly the time, first crotch with its both ends is hooked on the top rebars net sheet (7), carries out colligation again and fixes.
9. according to the described double line stream-line type round end entity pier cap steel bar overall binding construction method of claim 8, it is characterized in that: described in the step 3 in reinforcement yard many used reinforcing bars of the described pier cap reinforcing cage of colligation are carried out blanking the time, transverse horizontal reinforcing bar (9) is processed into the straight reinforcing bar two that both ends have crotch; And when in step 4, described inner reinforcing bar binding structure being carried out colligation, earlier many described vertical reinforcements are carried out colligation, the described horizontal mesh reinforcement sheet of multilayer is carried out colligation from top to bottom again; And during the described horizontal mesh reinforcement sheet of colligation, earlier many transverse horizontal reinforcing bars (9) are carried out colligation, more described vertical equity reinforcing bars are carried out colligation.
10. according to the described double line stream-line type round end entity pier cap steel bar overall binding construction method of claim 9, it is characterized in that: described outer cage body also comprises two ends, the left and right sides outside that is laid in described reinforcing cage body and many horizontal " U " font reinforcing bars of integral reinforcing is carried out in the described reinforcing cage body left and right sides that many described horizontal " U " font reinforcing bars are laid from top to bottom; When carrying out the reinforcing bar blanking in the step 3, described laterally " U " font reinforcing bar is processed into the straight reinforcing bar three that both ends have crotch; The both ends of described laterally " U " font reinforcing bar are fixed with vertical " U " font reinforcing bar (8) colligation respectively, and both ends, the left and right sides colligation of horizontal " U " font reinforcing bar middle part and many transverse horizontal reinforcing bars (9) is fixed as one; When carrying out the colligation of pier cap reinforcing cage in the step 4, treat again described laterally " U " font reinforcing bar to be carried out colligation after the colligation of described inner reinforcing bar binding structure is finished, actual described laterally " U " font reinforcing bar is carried out colligation fixedly the time, earlier the described laterally crotch of " U " font reinforcing bar one end is hooked on a vertically side of " U " font reinforcing bar (8), again described laterally " U " font reinforcing bar is curved " U " font and the crotch of its other end is hooked on the vertically opposite side of " U " font reinforcing bar (8) around the described reinforcing cage body of colligation moulding, should guarantee simultaneously the crotch of transverse horizontal reinforcing bar (9) end is hooked on described laterally " U " font reinforcing bar, again the hook place between described laterally " U " font reinforcing bar and vertical " U " font reinforcing bar (8) and the transverse horizontal reinforcing bar (9) be carried out colligation afterwards and fix.
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| CN2010102511145A CN101929249B (en) | 2010-08-10 | 2010-08-10 | Double line stream-line type round end entity pier cap steel bar overall binding construction method |
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| CN102121250A (en) * | 2011-03-21 | 2011-07-13 | 中广核工程有限公司 | Construction method of raft foundation reinforcing cage for containment vessel of nuclear power plant |
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| CN102121250A (en) * | 2011-03-21 | 2011-07-13 | 中广核工程有限公司 | Construction method of raft foundation reinforcing cage for containment vessel of nuclear power plant |
| CN102286927A (en) * | 2011-08-25 | 2011-12-21 | 重庆新科建设工程有限公司 | Integral mounting construction method of bridge pier column bent cap reinforcement cage |
| CN102425111A (en) * | 2011-09-02 | 2012-04-25 | 中铁上海工程局有限公司 | Abnormal pier cap template with large section and installation method thereof |
| CN105113385A (en) * | 2015-08-12 | 2015-12-02 | 刘文海 | Prefabricated steel tube high-strength concrete column pier and preparation method thereof |
| CN105220619A (en) * | 2015-10-12 | 2016-01-06 | 中铁城建集团第二工程有限公司 | A kind of method of quick manufacture two-wire nose circle solid pier |
| CN105537470A (en) * | 2015-12-17 | 2016-05-04 | 中铁十六局集团第三工程有限公司 | Hydraulic pier shaft rebar machining formwork and pier shaft rebar construction technology |
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| CN105672137B (en) * | 2016-03-22 | 2018-04-13 | 中国水利水电第八工程局有限公司 | A kind of construction method and framework of steel reinforcement of bridge pier pier shaft reinforcing bar |
| CN105672137A (en) * | 2016-03-22 | 2016-06-15 | 中国水利水电第八工程局有限公司 | Bridge pier body reinforcement construction method and reinforcement frameworks |
| CN106065573A (en) * | 2016-07-12 | 2016-11-02 | 中国路桥工程有限责任公司 | Pier stud pallet reinforcing bar binding mould and construction method thereof |
| CN108560715A (en) * | 2018-03-21 | 2018-09-21 | 中建四局第六建筑工程有限公司 | A kind of construction method and operating platform of large diameter steel pipe band of column beam |
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| CN111472553A (en) * | 2020-04-27 | 2020-07-31 | 中建七局安装工程有限公司 | Thin-wall hollow pier intensive type reinforcement modular construction method |
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