CN203080429U - Pier stud splicing construction structure for jacking of bridge broken column - Google Patents
Pier stud splicing construction structure for jacking of bridge broken column Download PDFInfo
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- CN203080429U CN203080429U CN 201220734717 CN201220734717U CN203080429U CN 203080429 U CN203080429 U CN 203080429U CN 201220734717 CN201220734717 CN 201220734717 CN 201220734717 U CN201220734717 U CN 201220734717U CN 203080429 U CN203080429 U CN 203080429U
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Abstract
The utility model discloses a pier stud splicing construction structure for jacking of a bridge broken column. The pier stud splicing construction structure of jacking of the bridge broken column comprises a plurality of splicing connecting steels, wherein a plurality of vertical first connecting steels pre-buried in an upper-portion pier stud and a plurality of vertical second connecting steels pre-buried in a lower-portion pier stud are connected by the splicing connecting steels. The bottom of the upper-portion pier stud is an upper splicing connector formed through chiseling, and the top of the lower-portion pier stud is a lower splicing connector formed through chiseling. A plurality of splicing section reinforcement steels are buried between the upper splicing connector and the lower splicing connector. Splicing section spiral stirrups are strapped from top to bottom on the external sides of a plurality of vertical connecting main reinforcements and the splicing section reinforcement steels. A concrete-pouring-formed mould is arranged on the outer side of a splicing section steel reinforcement framework, and a plurality of concrete placement ports and a plurality of laitance overflow ports are arranged on the upper portion of the concrete-pouring-formed mould. The pier stud splicing construction structure for jacking of the broken bridge column is simple in structure, reasonable in design, convenient to construct, low in construction cost, high in construction efficiency, good in construction effect, and capable of effectively improving binding power between splicing section concrete and an original broken column.
Description
Technical field
The utility model belongs to the bridge jacking technical field of construction, especially relates to the disconnected capital of a kind of bridge and rises with pier stud continued access constructing structure.
Background technology
At present, the disconnected capital liter of bridge is distinctive a kind of job practices in the bridge lifting rebuilding construction, it mainly is the method for existing bridge construction being taked to cut bridge pier, adopt Lifting Equipment will break post, bent cap and superstructure integral jacking to design elevation, the bridge pier of two parts up and down reinforcement continued access to cutting off then, thereby the purpose of realization lifting bridge absolute altitude.The disconnected capital Shengji art economical and efficient that is adopted, be convenient to operation, avoided removing the influence of rebuilding, so both promoted the function of use of existing bridge construction, again economical environment-protective environment and traffic.
Disconnected post reinforcement continued access is a key link in the disconnected capital process of jacking of bridge, and traditional pier stud continued access connects the pier stud reinforcing bar for the post tangent plane concrete chisel hair that will break, overlap joint, spiral stirrup is installed as requested again, the formwork erection fluid concrete.But in the actual use, all there is obvious defects in above-mentioned existing disconnected post reinforcement continued access method at aspects such as new-old concrete processing, concrete pouring technologies, causes bridge pier continued access part back pouring concrete and old concrete interface leakiness or intensity on the low side.
The utility model content
Technical problem to be solved in the utility model is at above-mentioned deficiency of the prior art, provide the disconnected capital of a kind of bridge to rise with pier stud continued access constructing structure, it is simple in structure, reasonable in design, easy construction and construction cost is lower, efficiency of construction is high, construction effect is good, can effectively improve the adhesion stress of continued access section concrete and former disconnected intercolumniation.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: the disconnected capital of a kind of bridge rises with pier stud continued access constructing structure, it is characterized in that: comprise the many many continued access connecting reinforcements that vertical connecting reinforcement two is connected to being buried underground in many vertical connecting reinforcements one being buried underground in the top pier stud (1) and the bottom pier stud respectively, many described continued access connecting reinforcements all are vertically to laying; Described top pier stud be positioned at the bottom pier stud directly over and the two be coaxial laying, described top pier stud and bottom pier stud are and are vertically to the reinforced concrete structure of laying; The bottom of described top pier stud is for through cutting the last continued access joint of formation, and the top of bottom pier stud is through cutting the following continued access joint of formation; Being embedded with many between described last continued access joint and the described following continued access joint is vertically to the continued access section reinforcement reinforcing bars of laying; Many main muscle of described vertical connection and the continued access section cage of reinforcement of many described continued access section reinforcement reinforcing bar formation between top pier stud and bottom pier stud, and the described continued access section cage of reinforcement outside is banded with one or multi-channel continued access section spiral stirrup from top to bottom; The described continued access section cage of reinforcement outside is equipped with the concrete pouring forming panel, and the inner set forming cavity of described concrete pouring forming panel is cylindrical forming cavity, and the diameter of described cylindrical forming cavity is identical with the diameter of top pier stud and bottom pier stud; The bottom adapter sleeve of described concrete pouring forming panel is contained on the described continued access joint down and its top adapter sleeve is contained in described going up on the continued access joint; The top of described concrete pouring forming panel is provided with a plurality of concrete casting geats and a plurality of laitance overfall, and a plurality of described concrete casting geat and a plurality of described laitance overfall all communicate with the inside of described cylindrical forming cavity; The structure of a plurality of described concrete casting geats is all identical with size, and a plurality of described concrete casting geats are evenly laid along the circumferencial direction of described cylindrical forming cavity, and a plurality of described concrete casting geat is laid on the same horizontal plane; The structure of a plurality of described laitance overfalls is all identical with size, and a plurality of described laitance overfalls are evenly laid along the circumferencial direction of described cylindrical forming cavity, and a plurality of described a plurality of described laitance overfalls are laid on the same horizontal plane.
The disconnected capital of above-mentioned a kind of bridge rises with pier stud continued access constructing structure, it is characterized in that: the disconnected post in described top and the bottom pier stud is cylindrical pillars and the radius of the two is R, described top of going up the continued access joint is an annular horizontal stand one, the internal diameter of described annular horizontal stand one is identical with the bottom external diameter of turbination concrete boss, and the external diameter of described annular horizontal stand one is 2R; The top of described down continued access joint is an annular horizontal stand two, the size of described annular horizontal stand two and described annular horizontal stand one measure-alike.
The disconnected capital of above-mentioned a kind of bridge rises with pier stud continued access constructing structure, it is characterized in that: the distance h 1=50cm～60cm of the vertical connecting reinforcement of the distance from bottom of described turbination concrete boss one bottom, and the distance h 2=50cm～60cm on the vertical connecting reinforcement of the distance from bottom of turbination groove two tops.
The disconnected capital of above-mentioned a kind of bridge rises with pier stud continued access constructing structure, it is characterized in that: the bottom radius r=R-2a of described turbination concrete boss, and wherein a is the thickness of protection tier of the disconnected post in top; The top radius of described turbination groove is r; The width of described annular horizontal stand two and described annular horizontal stand one is 2a.
The disconnected capital of above-mentioned a kind of bridge rises with pier stud continued access constructing structure, and it is characterized in that: described bottom pier stud bottom support is on horizontal cushion cap; On the described horizontal cushion cap construction bracket is installed, the top of described construction bracket is equipped with the operation platform that is used for fluid concrete, and the middle and lower part of described construction bracket is equipped with the formwork support platform that is used to install the concrete pouring forming panel; Described formwork support platform is set up the upper outside at the bottom pier stud, and the bottom support of concrete pouring forming panel is on formwork support platform; Described operation platform is set up the outside, bottom of the disconnected post on top; Described construction bracket and operation platform all are level to laying.
The disconnected capital of above-mentioned a kind of bridge rises with pier stud continued access constructing structure, it is characterized in that: have a plurality of concrete casting orifices of installing for a plurality of described concrete casting geats respectively on the upper portion side wall of described concrete pouring forming panel, a plurality of described concrete casting geats are installed on a plurality of described concrete casting orifices to the concrete pouring pipe of laying by a plurality of being vertically respectively, the structure of a plurality of described concrete pouring pipes is all identical with size, and a plurality of described concrete pouring Guan Jun is laid on the same horizontal plane.
The disconnected capital of above-mentioned a kind of bridge rises with pier stud continued access constructing structure, and it is characterized in that: a plurality of described laitance overfalls carry out shutoff by a plurality of detachable plates respectively, and are provided with the plug-in mounting mouth of the detachable plate plug-in mounting of a plurality of confessions on a plurality of described laitance overfall.
The disconnected capital of above-mentioned a kind of bridge rises with pier stud continued access constructing structure, and it is characterized in that: the structure of a plurality of described laitance overfalls is all identical with size; Described concrete casting orifice is identical with the quantity of described laitance overfall, and the middle part between adjacent two described concrete casting orifices is provided with a described laitance overfall.
The disconnected capital of above-mentioned a kind of bridge rises with pier stud continued access constructing structure, and it is characterized in that: the middle part between adjacent two described vertical connecting reinforcements one is provided with a described continued access section reinforcement reinforcing bar.
The disconnected capital of above-mentioned a kind of bridge rises with pier stud continued access constructing structure, and it is characterized in that: described concrete pouring forming panel is cylindrical template.
The utility model compared with prior art has the following advantages:
1, simple in structure, reasonable in design and input cost is lower, easy accessibility.
2, construction method step is simple, technology is reasonable, realization is convenient and construction cost is lower, and the construction period is short, and mass effect is good, the efficiency of construction height.
3, the continued access joint design that is adopted is reasonable in design, according to construction characteristic disconnected post continued access section concrete being carried out special tectonic handles, the top inboard scope core concrete of disconnected post master muscle is cut a hole into the back taper boss, the bottom inboard scope core of disconnected post master muscle is cut a hole into the back taper groove, and all handle by the requirement of cutter hair on the surface.Thereby, the bond area between the new-old concrete is increased significantly, improved the adhesion stress of its contact surface; The design of back taper core concrete and groove special tectonic has simultaneously increased the mutual embedded performance of new-old concrete, helps the stressed of continued access section pier stud.
4, the concrete pouring forming module reasonable in design and the easy accessibility that are adopted have the concrete casting orifice in template upper limb design, and it is connected with the concrete pouring pipe by flange, are convenient to very much dismounting; Simultaneously, in the design of template upper limb the laitance overfall is arranged, be used for overflowing of top of concrete laitance, supporting detachable plate can seal overfall at any time.
When 5, pouring concrete construction finishes, adopt plate sealing overfall, and the water of retention certain altitude carries out pressurize in the concrete pouring pipe, improves the density and the bond effect of top concrete by external pressurized.During actual the use, also can adopt and in the concrete pouring pipe, inject concrete mode and carry out pressurize, and to inject concrete height identical with the height calculation method of injection water.In addition, the concrete strength grade of being poured into a mould in the concrete pouring forming panel than top pier stud and the high strength grade of the used concrete strength grade of bottom pier stud, thereby can effectively guarantee the continued access quality.
6, construction cost is lower, efficiency of construction is high and construction effect is good, remarkable in economical benefits, by the post continued access end that breaks up and down being carried out special structure design and construction, has effectively improved the bond effect of continued access section new-old concrete; By the laitance overfall being set at the template upper limb and supporting plate being installed, make the top of concrete laitance fully to overflow, avoided conventional method concrete material coarse aggregate under action of gravity to cause the upper surface mortar to gather the problem that intensity reduces, effectively improved the intensity at new-old concrete contact surface place from sinking, fine aggregate come-up; In addition,, newly placed concrete is carried out external pressurized, can effectively improve concrete density by in the concrete pouring pipe, injecting water or retaining the method for concrete pressurize.Simultaneously, the present invention have save time, convenient, efficient, practical, be easy to control and promote advantages such as structure tension performance.
In sum, the utility model is simple in structure, reasonable in design, easy construction and construction cost is lower, efficiency of construction is high, construction effect is good, increased effective contact area of new-old concrete, improve the adhesion stress of continued access section concrete and former disconnected intercolumniation, efficiently solved construction difficult problems such as disconnected post in top that conventional construction method exists and continued access section contact surface concrete leakiness and intensity is on the low side.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Description of drawings
Fig. 1 is a construction view of the present utility model.
Fig. 2 is the structural representation of concrete pouring forming panel of the present invention.
Fig. 3 is the installation position schematic diagram of set concrete casting orifice on the concrete pouring forming panel of the present invention and laitance overfall.
Description of reference numerals:
1-top pier stud; 2-bottom pier stud; 3-vertical connecting reinforcement one;
4-vertical connecting reinforcement two; 5-turbination concrete boss; 6-turbination groove;
7-continued access connecting reinforcement; 8-continued access section reinforcement reinforcing bar; 9-continued access section spiral stirrup;
10-concrete pouring forming panel; 11-concrete casting geat;
12-laitance overfall; 13-horizontal cushion cap; 14-construction bracket;
15-operation platform; 16-formwork support platform; 17-concrete pouring pipe;
18-detachable plate; 19-concrete casting orifice; 20-bent cap.
The specific embodiment
As shown in Figure 1, the utility model comprises the many many continued access connecting reinforcements 7 that vertical connecting reinforcement 24 is connected to being buried underground in many vertical connecting reinforcements 1 being buried underground in the top pier stud 1 and the bottom pier stud 2 respectively, and many described continued access connecting reinforcements 7 all are vertically to laying; Described top pier stud 1 be positioned at bottom pier stud 2 directly over and the two be coaxial laying, described top pier stud 1 and bottom pier stud 2 are and are vertically to the reinforced concrete structure of laying; The bottom of described top pier stud 1 is for through cutting the last continued access joint of formation, and the top of bottom pier stud 2 is through cutting the following continued access joint of formation.Being embedded with many between described last continued access joint and the described following continued access joint is vertically to the continued access section reinforcement reinforcing bars of laying 8.The many main muscle of described vertical connection and the many continued access section cage of reinforcement that described continued access section reinforcement reinforcing bar 8 forms between top pier stud 1 and bottom pier stud 2, and the described continued access section cage of reinforcement outside is banded with one or multi-channel continued access section spiral stirrup 9 from top to bottom.The described continued access section cage of reinforcement outside is equipped with concrete pouring forming panel 10, described concrete pouring forming panel 10 inner set forming cavities are cylindrical forming cavity, and the diameter of described cylindrical forming cavity is identical with the diameter of top pier stud 1 and bottom pier stud 2.The bottom adapter sleeve of described concrete pouring forming panel 10 is contained on the described continued access joint down and its top adapter sleeve is contained in described going up on the continued access joint; The top of described concrete pouring forming panel 10 is provided with a plurality of concrete casting geats 11 and a plurality of laitance overfall 12, and a plurality of described concrete casting geat 11 and a plurality of described laitance overfall 12 all communicate with the inside of described cylindrical forming cavity.The structure of a plurality of described concrete casting geats 11 is all identical with size, and a plurality of described concrete casting geats 11 are evenly laid along the circumferencial direction of described cylindrical forming cavity, and a plurality of described concrete casting geat 11 is laid on the same horizontal plane; The structure of a plurality of described laitance overfalls 12 is all identical with size, and a plurality of described laitance overfalls 12 are evenly laid along the circumferencial direction of described cylindrical forming cavity, and a plurality of described a plurality of described laitance overfalls 12 are laid on the same horizontal plane.Described concrete casting geat 11 is the concrete casting note hopper.
During practice of construction, many described vertical connecting reinforcements 1 be laid in respectively many described vertical connecting reinforcements 24 directly over, be provided with bent cap 20 directly over the described top pier stud 1.
In the present embodiment, the disconnected post 1 in described top and bottom pier stud 2 is cylindrical pillars and the radius of the two is R, described top of going up the continued access joint is an annular horizontal stand one, the internal diameter of described annular horizontal stand one is identical with the bottom external diameter of turbination concrete boss 5, and the external diameter of described annular horizontal stand one is 2R; The top of described down continued access joint is an annular horizontal stand two, the size of described annular horizontal stand two and described annular horizontal stand one measure-alike.
During practice of construction, when the concrete of the concrete of disconnected post 1 bottom segment in top and bottom pier stud 2 top segment is cut, adopt manual chisel or electronic cutter tool to cut.After the concrete of the concrete of disconnected post 1 bottom segment in top and bottom pier stud 2 top segment cut, also need cut a hole hair and handle to described continued access joint and the described surface of continued access joint down of going up.
Distance h 1=50cm～the 60cm of the vertical connecting reinforcement of the distance from bottom of described turbination concrete boss 5 one 3 bottoms, and the distance h 2=50cm～60cm on the vertical connecting reinforcement of the distance from bottom of turbination groove 624 tops.
In the present embodiment, the bottom radius r=R-2a of described turbination concrete boss 5, wherein a is the thickness of protection tier of the disconnected post 1 in top; The top radius of described turbination groove 6 is r; The width of described annular horizontal stand two and described annular horizontal stand one is 2a.
During practice of construction, can be according to concrete needs, the size of h1 and h2 is adjusted accordingly.
In the present embodiment, the height of described turbination concrete boss 5 is 40cm～50cm.
In the present embodiment, described bottom pier stud 2 bottom supports are on horizontal cushion cap 13.On the described horizontal cushion cap 13 construction bracket 14 is installed, the top of described construction bracket 14 is equipped with the operation platform 15 that is used for fluid concrete, and the middle and lower part of described construction bracket 14 is equipped with the formwork support platform 16 that is used to install concrete pouring forming panel 10.Described formwork support platform 16 is set up the upper outside at bottom pier stud 2, and the bottom support of concrete pouring forming panel 10 is on formwork support platform 16; Described operation platform 15 is set up the outside, bottom of the disconnected post 1 on top; Described construction bracket 14 and operation platform 15 all are level to laying.
In the present embodiment, described construction bracket 14 is vertically to laying.
In conjunction with Fig. 2 and Fig. 3, have a plurality of concrete casting orifices of installing for a plurality of described concrete casting geats 11 respectively 19 on the upper portion side wall of described concrete pouring forming panel 10, a plurality of described concrete casting geats 11 are installed on a plurality of described concrete casting orifices 19 to the concrete pouring pipe of laying 17 by a plurality of being vertically respectively, the structure of a plurality of described concrete pouring pipes 17 is all identical with size, and a plurality of described concrete pouring pipe 17 all is laid on the same horizontal plane.
In the present embodiment, a plurality of described laitance overfalls 12 carry out shutoff by a plurality of detachable plates 18 respectively, and are provided with the plug-in mounting mouth of detachable plate 18 plug-in mountings of a plurality of confessions on a plurality of described laitance overfall 12.
The structure of a plurality of described laitance overfalls 12 is all identical with size; Described concrete casting orifice 19 is identical with the quantity of described laitance overfall 12, and the middle part between adjacent two described concrete casting orifices 19 is provided with a described laitance overfall 12.
In the present embodiment, the middle part between adjacent two described vertical connecting reinforcements 1 is provided with a described continued access section reinforcement reinforcing bar 8.
That is to say, actual continuing when constructing, cut the peripheral 50cm of bottom continued access end～60cm high concrete and pier stud master muscle one that exhumes out (being vertical connecting reinforcement 1) of the disconnected post 1 in top earlier, and the concrete chisel of pier stud master muscle one middle inside of the disconnected post 1 in top is become the back taper boss; Simultaneously, the top continued access end of bottom pier stud 2 is cut 50cm～60cm high concrete and the pier stud master muscle two that exhumes out (being vertical connecting reinforcement 2 4), and the concrete chisel of pier stud master muscle two middle inside of bottom pier stud 2 become the back taper groove, and all handle by the requirement of cutter hair on the surface of continued access joint up and down.Subsequently, carry out pier stud master muscle continued access and bar planting reinforcing construction again, treat pier stud master muscle continued access and bar planting reinforcing construction the construction finish, again concrete pouring forming panel 10 is installed.
In the present embodiment, the quantity of described concrete casting orifice 19 and laitance overfall 12 is two, and two described concrete casting orifices 19 and two described laitance overfalls 12 are laid in respectively on foursquare four summits.
During practice of construction, can be according to concrete needs, the quantity of described concrete casting orifice 19 and laitance overfall 12 is adjusted accordingly.
In the present embodiment, described concrete pouring forming panel 10 designs highly in advance and makes according to the pillarwork size and the continued access section of cutting pier stud, and the bottom adapter sleeve of described concrete pouring forming panel 10 is contained in bottom pier stud 2 outsides and its suit height h3 is not less than 30cm; The top adapter sleeve of described concrete pouring forming panel 10 is contained in disconnected post 1 outside, top and its suit height h4 is not less than 10cm.Described concrete casting orifice 19 and laitance overfall 12 are laid on the top edge of described concrete pouring forming panel 10, and the junction between concrete pouring pipe 17 and the concrete casting orifice 19 adopts flange bolt cushioning rubber pad to be connected and sealed.
In the present embodiment, described concrete pouring forming panel 10 is made up of the polylith template assembly, and described concrete pouring forming panel 10 is cylindrical template.
After treating 10 installations of concrete pouring forming panel, carry out pouring concrete construction again.And it is actual when carrying out pouring concrete construction, by a plurality of described concrete casting geats 11 fluid concrete in described cylindrical forming cavity synchronously, respectively synchronously when a plurality of described laitance overfalls 12 overflow, concrete placement is finished until institute's fluid concrete; And in the concrete placement, the vibrating spear by in described laitance overfall 12 stretches to described cylindrical forming cavity successively vibrates to the concrete of being poured into a mould from the bottom to top; After treating that concrete placement is finished, a plurality of described laitance overfalls 12 are carried out shutoff synchronously.
Actual when carrying out concrete pouring, when institute's fluid concrete overflows and each laitance overfall 12 when evenly outwards overflowing concrete from a plurality of described laitance overfalls 12 respectively synchronously, concrete placement is finished.
In the present embodiment, the quantity of described vibrating spear be a plurality of and its quantity identical with the quantity of described laitance overfall 12, a plurality of described vibrating spears stretch in the described cylindrical forming cavity from a plurality of described laitance overfalls 12 respectively.And when from the bottom to top institute's fluid concrete successively being vibrated,, should strengthen vibrating when concrete pouring during to described turbination concrete boss 5 by a plurality of described vibrating spears.
In the present embodiment, in the step 4 a plurality of described laitance overfalls 12 are carried out shutoff synchronously after, need highly be h also by in a plurality of described concrete pouring pipes 17, all injecting water or in a plurality of described concrete pouring pipes 17, retaining
6Concrete carry out pressurize, and the dwell time be no less than 48 hours,
The height that injects water in a plurality of described concrete pouring pipes 17 is
H in the formula
ConcreteBe the extremely described vertical height that goes up the continued access joint of described concrete casting orifice 19 lower edges, R is the radius of top pier stud 1, the bottom radius r=R-2a of turbination concrete boss 5,
D is the internal diameter of concrete pouring pipe 17, ρ
ConcreteBe the density of institute's fluid concrete, ρ
WaterBy in the concrete pouring pipe 17 the density of injection water.
In the present embodiment, in the step 4 a plurality of described laitance overfalls 12 are carried out shutoff synchronously after, by in a plurality of described concrete pouring pipes 17 all injecting height be h
WaterWater carry out pressurize.
During practice of construction, also can carry out pressurize for the concrete of h6 by all retaining highly at a plurality of described concrete pouring pipes 17.
In the present embodiment, the concrete strength grade of being poured into a mould in concrete pouring forming panel 10 is than described top pier stud 1 and the high strength grade of bottom pier stud 2 used concrete strength grades.
To sum up, by concrete casting orifice 19 concrete casting is injected in the concrete pouring forming panel 10, vibrating spear is inserted by laitance overfall 12 and successively vibrates, when being poured into turbination concrete boss 5, should strengthen vibrating, allow the concrete laitance fully overflow till overflowing uniform concrete from overfall; Afterwards, remove the equipment that vibrates, and seal each laitance overfall 12 with detachable plate 18; Subsequently, the water that injects certain altitude in concrete pouring pipe 17 carries out pressurize and water filling highly is h
WaterThe water filling dwell time is specifically determined according to the concrete initial set time, generally is no less than 48 hours.
After treating that institute's fluid concrete reaches the form removal condition, the concrete pouring forming panel of being installed 10 is removed, and obtained the continued access section concrete structure of moulding by casting; Subsequently, described continued access section concrete structure is carried out health, reach design strength until concrete.
In the present embodiment, after treating institute's fluid concrete concrete initial set, dismantling concrete gate spool 17, and the water filling in the concrete pouring pipe 17 of draining, and local concrete surface is modified, after treating that concrete strength reaches the form removal condition, dismantling concrete moulding by casting template 10, and carry out concrete curing according to code requirement.
The above; it only is preferred embodiment of the present utility model; be not that the utility model is imposed any restrictions; everyly any simple modification that above embodiment did, change and equivalent structure are changed, all still belong in the protection domain of technical solutions of the utility model according to the utility model technical spirit.
Claims (10)
1. the disconnected capital of bridge rises with pier stud continued access constructing structure, it is characterized in that: comprise many many vertical connecting reinforcements one (3) and the interior many continued access connecting reinforcements of being buried underground (7) that vertical connecting reinforcement two (4) is connected of bottom pier stud (2) to being buried underground in the top pier stud (1) respectively, many described continued access connecting reinforcements (7) all are vertically to laying; Described top pier stud (1) be positioned at bottom pier stud (2) directly over and the two be coaxial laying, described top pier stud (1) and bottom pier stud (2) are and are vertically to the reinforced concrete structure of laying; The bottom of described top pier stud (1) is for through cutting the last continued access joint of formation, and the top of bottom pier stud (2) is through cutting the following continued access joint of formation; Being embedded with many between described last continued access joint and the described following continued access joint is vertically to the continued access section reinforcement reinforcing bars of laying (8); Many main muscle of described vertical connection and many described continued access section reinforcement reinforcing bars (8) form the continued access section cage of reinforcement that is positioned between top pier stud (1) and the bottom pier stud (2), and are banded with one or multi-channel continued access section spiral stirrup (9) from top to bottom outside the described continued access section cage of reinforcement; The described continued access section cage of reinforcement outside is equipped with concrete pouring forming panel (10), the inner set forming cavity of described concrete pouring forming panel (10) is cylindrical forming cavity, and the diameter of described cylindrical forming cavity is identical with the diameter of top pier stud (1) and bottom pier stud (2); The bottom adapter sleeve of described concrete pouring forming panel (10) is contained on the described continued access joint down and its top adapter sleeve is contained in described going up on the continued access joint; The top of described concrete pouring forming panel (10) is provided with a plurality of concrete casting geats (11) and a plurality of laitance overfall (12), and a plurality of described concrete casting geats (11) and a plurality of described laitance overfalls (12) all communicate with the inside of described cylindrical forming cavity; The structure of a plurality of described concrete casting geats (11) is all identical with size, a plurality of described concrete casting geats (11) are evenly laid along the circumferencial direction of described cylindrical forming cavity, and a plurality of described concrete casting geats (11) are laid on the same horizontal plane; The structure of a plurality of described laitance overfalls (12) is all identical with size, a plurality of described laitance overfalls (12) are evenly laid along the circumferencial direction of described cylindrical forming cavity, and a plurality of described a plurality of described laitance overfalls (12) are laid on the same horizontal plane.
2. rise with pier stud continued access constructing structure according to the disconnected capital of the described a kind of bridge of claim 1, it is characterized in that: post (1) and bottom pier stud (2) is cylindrical pillars and the radius of the two is R breaks on described top, described top of going up the continued access joint is an annular horizontal stand one, the internal diameter of described annular horizontal stand one is identical with the bottom external diameter of turbination concrete boss (5), and the external diameter of described annular horizontal stand one is 2R; The top of described down continued access joint is an annular horizontal stand two, the size of described annular horizontal stand two and described annular horizontal stand one measure-alike.
3. rise with pier stud continued access constructing structure according to the disconnected capital of the described a kind of bridge of claim 2, it is characterized in that: the distance h 1=50cm～60cm of the vertical connecting reinforcement of the distance from bottom of described turbination concrete boss (5) one (3) bottom, and the distance h 2=50cm～60cm on the vertical connecting reinforcement of the distance from bottom of turbination groove (6) two (4) tops.
4. rise with pier stud continued access constructing structure according to the disconnected capital of the described a kind of bridge of claim 2, it is characterized in that: the bottom radius r=R-2a of described turbination concrete boss (5), wherein a is the thickness of protection tier of the disconnected post (1) in top; The top radius of described turbination groove (6) is r; The width of described annular horizontal stand two and described annular horizontal stand one is 2a.
5. rise with pier stud continued access constructing structure according to claim 1 or the disconnected capital of 2 described a kind of bridges, it is characterized in that: described bottom pier stud (2) bottom support is on horizontal cushion cap (13); Construction bracket (14) is installed on the described horizontal cushion cap (13), the top of described construction bracket (14) is equipped with the operation platform (15) that is used for fluid concrete, and the middle and lower part of described construction bracket (14) is equipped with the formwork support platform (16) that is used to install concrete pouring forming panel (10); Described formwork support platform (16) is set up the upper outside in bottom pier stud (2), and the bottom support of concrete pouring forming panel (10) is on formwork support platform (16); Described operation platform (15) is set up the outside, bottom of the disconnected post (1) on top; Described construction bracket (14) and operation platform (15) all are level to laying.
6. rise with pier stud continued access constructing structure according to claim 1 or the disconnected capital of 2 described a kind of bridges, it is characterized in that: have a plurality of concrete casting orifices (19) that supply a plurality of described concrete casting geats (11) to install respectively on the upper portion side wall of described concrete pouring forming panel (10), a plurality of described concrete casting geats (11) are installed on a plurality of described concrete casting orifices (19) to the concrete pouring pipe of laying (17) by a plurality of being vertically respectively, the structure of a plurality of described concrete pouring pipes (17) is all identical with size, and a plurality of described concrete pouring pipes (17) all are laid on the same horizontal plane.
7. rise with pier stud continued access constructing structure according to claim 1 or the disconnected capital of 2 described a kind of bridges, it is characterized in that: a plurality of described laitance overfalls (12) carry out shutoff by a plurality of detachable plates (18) respectively, and are provided with the plug-in mounting mouth of the detachable plate of a plurality of confessions (18) plug-in mounting on a plurality of described laitance overfalls (12).
8. rise with pier stud continued access constructing structure according to the disconnected capital of the described a kind of bridge of claim 6, it is characterized in that: the structure of a plurality of described laitance overfalls (12) is all identical with size; Described concrete casting orifice (19) is identical with the quantity of described laitance overfall (12), and the middle part between adjacent two described concrete casting orifices (19) is provided with a described laitance overfall (12).
9. rise with pier stud continued access constructing structure according to claim 1 or the disconnected capital of 2 described a kind of bridges, it is characterized in that: the middle part between adjacent two described vertical connecting reinforcements one (3) is provided with a described continued access section reinforcement reinforcing bar (8).
10. rise with pier stud continued access constructing structure according to claim 1 or the disconnected capital of 2 described a kind of bridges, it is characterized in that: described concrete pouring forming panel (10) is cylindrical template.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220734717 CN203080429U (en) | 2012-12-27 | 2012-12-27 | Pier stud splicing construction structure for jacking of bridge broken column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220734717 CN203080429U (en) | 2012-12-27 | 2012-12-27 | Pier stud splicing construction structure for jacking of bridge broken column |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203080429U true CN203080429U (en) | 2013-07-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220734717 Expired - Lifetime CN203080429U (en) | 2012-12-27 | 2012-12-27 | Pier stud splicing construction structure for jacking of bridge broken column |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108708565A (en) * | 2018-06-04 | 2018-10-26 | 安徽省建筑科学研究设计院 | A kind of shear wall segmented ruggedized construction |
| CN111139744A (en) * | 2019-12-27 | 2020-05-12 | 中冶天工集团有限公司 | Bridge engineering large-section bent cap bottom reinforcement binding formwork erecting process |
-
2012
- 2012-12-27 CN CN 201220734717 patent/CN203080429U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108708565A (en) * | 2018-06-04 | 2018-10-26 | 安徽省建筑科学研究设计院 | A kind of shear wall segmented ruggedized construction |
| CN111139744A (en) * | 2019-12-27 | 2020-05-12 | 中冶天工集团有限公司 | Bridge engineering large-section bent cap bottom reinforcement binding formwork erecting process |
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