CN108381746A - The construction method of sliding caisson platform precasting box beam - Google Patents
The construction method of sliding caisson platform precasting box beam Download PDFInfo
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- CN108381746A CN108381746A CN201810128504.XA CN201810128504A CN108381746A CN 108381746 A CN108381746 A CN 108381746A CN 201810128504 A CN201810128504 A CN 201810128504A CN 108381746 A CN108381746 A CN 108381746A
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- box beam
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- 238000010276 construction Methods 0.000 title claims abstract description 79
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 66
- 238000000034 method Methods 0.000 claims abstract description 34
- 238000012423 maintenance Methods 0.000 claims abstract description 21
- 229910000831 Steel Inorganic materials 0.000 claims description 17
- 239000010959 steel Substances 0.000 claims description 17
- 210000002219 extraembryonic membrane Anatomy 0.000 claims description 12
- 238000005266 casting Methods 0.000 claims description 7
- 230000015271 coagulation Effects 0.000 claims description 5
- 238000005345 coagulation Methods 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 5
- 238000000151 deposition Methods 0.000 claims description 4
- 238000013461 design Methods 0.000 claims description 4
- 230000002787 reinforcement Effects 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 9
- 239000000463 material Substances 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B15/00—General arrangement or layout of plant ; Industrial outlines or plant installations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
- B28B11/24—Apparatus or processes for treating or working the shaped or preshaped articles for curing, setting or hardening
- B28B11/245—Curing concrete articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
- B28B23/02—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members
- B28B23/04—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members the elements being stressed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
- B28B23/02—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members
- B28B23/04—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members the elements being stressed
- B28B23/046—Post treatment to obtain pre-stressed articles
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Structural Engineering (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses the construction methods of sliding caisson platform precasting box beam, include the following steps：Establish construction site, construction site includes two sliding rails, along sliding rail slidably and with the separable traveling platform of sliding rail and along the construction area that every sliding rail is arranged, construction area is divided into bonding pad, reinforcing bar binding area, concreting area, high temperature steam curing area, common maintenance area and prestressed stretch-draw area according to working procedure successively along glide direction of the traveling platform on every sliding rail, two sliding rails are parallel and are set up in parallel along sliding rail width direction, and on two sliding rails traveling platform glide direction it is opposite；At least provided with 4 traveling platforms on each sliding rail, work continuously for realizing each working procedure on each sliding rail, to realizing the cycle construction of multiple prefabricated case beams on two sliding rails.The present invention can effectively improve prefabricated box -beam speed, improve construction efficiency.
Description
Technical field
The present invention relates to bridge construction technical fields.It is more particularly related to which a kind of sliding pedestal is pre-
The construction method of box beam processed.
Background technology
Currently, prefabricated case beam with bridge substructure synchronous construction, short time limit due to that can be factory produced and precast box
Beam is easy to control compared with cast-in-situ box girder quality, is more and more widely used in bridge construction.
Currently, prefabricated case beam is mainly completed by precast beam field.First in Liang Chang concreting fixed bases, wait for solid
Determine after pedestal intensity reaches design requirement, then bed die is installed on fixed base, binding baseplate reinforcing bar, web reinforcement, installation side
Mould and inner membrance, backform, bind roof steel bar, casting concrete, maintenance, tensioned prestressing bar, complete that beam piece is prefabricated, and lifting is to depositing
Carried out after Liang Qu next it is beam prefabricated.This method is construction flow process, and later process can only wait until that preceding working procedure completes simultaneously matter
After amount is met the requirements, later process could carry out, and the method seriously constrains the prefabricated speed of box beam.
Invention content
There are one purposes to be to provide a kind of construction method of sliding caisson platform precasting box beam by the present invention, and this method utilizes movement
Pedestal loopy moving on two sliding rails realizes that multi-disc box beam is prefabricated simultaneously on a construction site, is formed continuous parallel
Work pattern, and prefabricated box -beam speed is effectively improved in the case where meeting quality requirement, improve construction efficiency.
In order to realize these purposes and other advantages according to the present invention, a kind of sliding caisson platform precasting box beam is provided
Construction method includes the following steps：
One, establish construction site, construction site includes two sliding rails, along sliding rail slidably and and sliding rail
Separable traveling platform and along every sliding rail setting construction area, construction area is along traveling platform in every sliding rail
On glide direction successively according to working procedure be divided into bonding pad, reinforcing bar binding area, concreting area, high temperature steam curing
Area, common maintenance area and prestressed stretch-draw area, two sliding rails are parallel and are set up in parallel along sliding rail width direction,
And on two sliding rails traveling platform glide direction on the contrary, making the prestressed stretch-draw area of a sliding rail and another cunning
The bonding pad in dynamic rail road is arranged close to；
Two, the construction procedure of a prefabricated case beam is followed successively by each sliding rail：
A, box beam reinforcing bar is bound in reinforcing bar binding area, and box beam core model is installed, obtain steel bar framework of box beam；
B, a traveling platform is slid onto into concreting area from the bonding pad of sliding rail by reinforcing bar binding area, and
Steel bar framework of box beam is hung on the traveling platform in concreting area, installation box beam external mold and casting concrete wait for concrete
Box beam core model is removed after initial set and box beam external mold obtains precast beam piece；
C, traveling platform is slid onto to high temperature steam curing area and common maintenance area successively carry out the steaming of precast beam piece respectively
Vapour conserves and watering maintenance；
D, traveling platform is slid onto into pre- answer from common maintenance area after precast beam piece intensity in step C reaches design strength
Power stretched zone tensioned prestressing bar and mud jacking, complete the prefabricated of box beam, by prefabricated box girder hoisting to depositing Liang Chang, and by traveling platform
It is hung to the bonding pad of another sliding rail；
Wherein, at least provided with 4 traveling platforms on each sliding rail, for realizing coagulation on each sliding rail
Each working procedure is worked continuously in native pouring area, high temperature steam curing area, common maintenance area and prestressed stretch-draw area, from
And realize the cycle construction of multiple prefabricated case beams on two sliding rails.
Preferably, the reinforcing bar of the construction method of the sliding caisson platform precasting box beam, every sliding rail binds area
It is equipped with working workbench with concreting area both sides, reinforcing bar binds area and the top in concreting area and is equipped with factory
Canopy.
Preferably, the construction method of the sliding caisson platform precasting box beam, two sliding rail dislocation are set up in parallel,
So that the reinforcing bar binding area and concreting area on two sliding rails are disposed in parallel in factory's canopy.
Preferably, the construction method of the sliding caisson platform precasting box beam, reinforcing bar bind area by rack and reinforcing bar tire
Film forms, and across sliding rail and is set on workbench on the rack, and the reinforcing bar fetal membrane is placed on rack, rack and
The longitudinal centre line of reinforcing bar fetal membrane is parallel with sliding rail；
Step A the specific steps are：Box beam baseplate reinforcing bar and side plate reinforcing bar are first bound on reinforcing bar fetal membrane, then box beam is installed
Core film finally binds box beam roof steel bar.
Preferably, the construction method of the sliding caisson platform precasting box beam, the box beam core removed after concrete initial set
Mould and box beam external mold are positioned on the workbench of concreting area both sides, and box beam core model is hung to reinforcing bar and binds area both sides
Workbench on.
Preferably, the construction method of the sliding caisson platform precasting box beam, further includes first be set in factory's canopy
The second gantry crane outside gantry crane and factory's canopy, wherein in step B, steel bar framework of box beam is hung to concrete by reinforcing bar binding area and pours
Build area and box beam core model to be hung to the workbench of reinforcing bar binding area both sides realized by the first gantry crane, moved in step D
Dynamic pedestal is real by the second gantry crane from the bonding pad of prestressed stretch-draw area to another sliding rail of a sliding rail
It is existing.
Preferably, the construction method of the sliding caisson platform precasting box beam, concreting area are supported with high-temperature steam
Shield area is additionally provided with concrete initial set area, and traveling platform, which is slid onto concrete initial set area, after casting concrete in step B waits for it
Box beam core model and box beam external mold are removed after initial set.
The present invention includes at least following advantageous effect：
1) present invention substitutes tradition using the construction site pre-established using along the slidable traveling platform of sliding rail
Fixed base carry out prefabricated box -beam so that prefabricated box -beam each working procedure formed a pipelining pattern,
To realize the different process synchronous constructions of multiple prefabricated case beams, the parallel operations pattern of multiple prefabricated case beams is formed, to carry
The efficiency of high prefabricated box -beam；
2) two sliding rail parallel side-by-sides setting, and traveling platform glide direction is opposite, it is possible to reduce traveling platform from
One sliding rail is hung to the displacement distance on another sliding rail, to reduce working strength；
3) two sliding rail dislocation are arranged side by side, its reinforcing bar is bound area and concreting area is disposed in parallel in factory's canopy
It is interior, workbench can be made full use of and reduce floor space, reduce the working strength for establishing construction site；
4) since concrete initial set needs the regular hour, concreting area and high temperature steam curing area it
Between a concrete initial set area is specially set, the construction efficiency of working procedure early period can be improved.
Part is illustrated to embody by further advantage, target and the feature of the present invention by following, and part will also be by this
The research and practice of invention and be understood by the person skilled in the art.
Description of the drawings
Fig. 1 is the top view layout of the construction site of one embodiment of the invention；
Fig. 2 is the left view layout drawing of the construction site of one embodiment of the invention.
Specific implementation mode
Present invention will be described in further detail below with reference to the accompanying drawings, to enable those skilled in the art with reference to specification text
Word can be implemented according to this.
It should be noted that experimental method described in following embodiments is unless otherwise specified conventional method, institute
Reagent and material are stated, unless otherwise specified, is commercially obtained；In the description of the present invention, term " transverse direction ", " vertical
To ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", the instructions such as "outside" side
Position or position relationship are to be based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description of the present invention and simplification of the description,
It is not instruction or implies that signified device or element must have a particular orientation, with specific azimuth configuration and operation, because
This is not considered as limiting the invention.
As shown in Figure 1, the present invention provides a kind of construction method of sliding caisson platform precasting box beam, include the following steps：
One, construction site is established, construction site includes two sliding rails (i.e. by track pedestal 10 and 9 groups of track of walking
At), slide along sliding rail slidably and with the separable traveling platform of sliding rail (being not shown in Fig. 1-2) and along every
The construction area of track setting, construction area are divided according to working procedure successively along glide direction of the traveling platform on every sliding rail
Area 1, concreting area 2, high temperature steam curing area 3, common maintenance area 4 and prestressed stretch-draw area are bound for bonding pad 6, reinforcing bar
5, two sliding rails are parallel and are set up in parallel along sliding rail width direction as shown in Figure 1, and on two sliding rails
The glide direction of traveling platform is on the contrary, make the prestressed stretch-draw area 5 of a sliding rail and the bonding pad 6 of another sliding rail
It is arranged close to, completes to bear as the traveling platform on another sliding rail wherein the bonding pad 6 of an interactive track is equivalent to
Carry the post-job temporary storage area of box beam；It should be noted that two sliding rails be side by side be not edge on the width side by side
On sliding rail length direction side by side, i.e. two sliding rails are not on one wire；
Two, the construction procedure of a prefabricated case beam is followed successively by each sliding rail：
A, box beam reinforcing bar is bound in reinforcing bar binding area 1, and box beam core model is installed, obtain steel bar framework of box beam；
B, a traveling platform is slid onto into concreting area 2 from the bonding pad of sliding rail 6 by reinforcing bar binding area,
And be hung to steel bar framework of box beam on the traveling platform in concreting area 2, installation box beam external mold and casting concrete wait for coagulation
Box beam core model is removed after native initial set and box beam external mold obtains precast beam piece；It should be noted that traveling platform passes through lifting in advance
It is placed in bonding pad；In addition, since reinforcing bar binding area utilizes the rack 12 and reinforcing bar fetal membrane 11 above workbench and sliding rail
Reinforcing bar binding is carried out, is limited by place height and construction and is not easy to the steel bar framework of box beam of completion being lifted into reinforcing bar binding area
Traveling platform on, therefore, reinforcing bar pedestal directly slides onto concreting area 2 from bonding pad by reinforcing bar binding area, then will
Steel bar framework of box beam is hung on the traveling platform in concreting area, and construction is more convenient；It is next pre- in progress that reinforcing bar binds area 1
The steel flxer sequence of box beam processed；
C, traveling platform is slid onto to high temperature steam curing area 3 and common maintenance area 4 successively carry out precast beam piece respectively
Steam curing and watering conserve；It is realized to precast beam piece by establishing first high temperature steam curing case in high temperature steam curing area 3
High temperature steam curing, so high temperature steam curing area 3 indicates that it is entity structure, and bonding pad with realizing to draw in Fig. 1
6, reinforcing bar binding area 1, concreting area 2, common maintenance area 4 and prestressed stretch-draw area 5 are not entity structure, belong to sliding
For the subregion of Construction of Precast Box Beam process setting on track, therefore distinguished using dotted line；Reinforcing bar pouring area 2 continues
From the concreting of next steel bar framework of box beam；After traveling platform moves to common maintenance area 4 from high temperature steam curing area 3,
High temperature steam curing area carries out the high temperature steam curing process of next precast beam piece (coming from reinforcing bar pouring area) again；
D, traveling platform is slid onto from common maintenance area 4 after precast beam piece intensity in step C reaches design strength pre-
5 tensioned prestressing bar of stress tension area and mud jacking, complete the prefabricated of box beam, by prefabricated box girder hoisting to depositing Liang Chang, and will move
Pedestal is hung to the bonding pad 6 of another sliding rail；When traveling platform slides onto prestressed stretch-draw area 5, it is common conserve area 4 continue into
The watering maintenance of a piece of precast beam piece (coming from high temperature steam curing area) under row；When traveling platform slides onto bonding pad 6, answer in advance
The prestressed stretch-draw process of a piece of prefabricated case beam (from common maintenance area 4) under continuing of power stretched zone 5；
Wherein, at least provided with 4 traveling platforms on each sliding rail, for realizing coagulation on each sliding rail
The continuous work of each working procedure in native pouring area 2, high temperature steam curing area 3, common maintenance area 4 and prestressed stretch-draw area 5
Industry, to realize the cycle construction of multiple prefabricated case beams on two sliding rails.If on each sliding rail only have 1 or
2 traveling platforms of person, then illustrate that construction area has subregion that can not construct, therefore result in waste of resources.Only construction area
Each region constructing, can just make full use of resource.I.e. after the completion of 3 operation of high-temperature steam area, traveling platform loads box beam
Into common maintenance area 4, and high temperature is entered by traveling platform below from the box beam after the completion of 2 operation of concreting area
Steam dome 3 carries out high temperature steam curing operation, and the process in other regions of construction area is not always the case what cycle carried out, each
The process construction of a box beam is completed, then enters the construction area of next process, and that process for being available is corresponding applies
Work area is then used for next box beam and enters after the completion of the construction of a upper process.
In the technical scheme, traditional fixed base is replaced using traveling platform, by traveling platform in sliding rail
Upper movement makes the different processes of prefabricated case beam be completed in different regions, different to synchronize progress in different zones
It constructs while box beam；Since each sliding rail is very long, when traveling platform slides onto prestressing force from concreting area
When drawing area, if be continuing on same track, it certainly will need traveling platform being hung to coagulation by lifting appliance
Native pouring area, however using two sliding rails that are parallel and being set up in parallel along width, it is slided at two using traveling platform
It is prefabricated to box beam progress in opposite direction on track, it, can be from a cunning when traveling platform, which loads, completes Construction of Precast Box Beam
The prestressed stretch-draw area in dynamic rail road is hung to the bonding pad of another sliding rail by lifting appliance, can reduce lifting away from
From reduction workload improves working efficiency.
Construction site is provided that two sliding rails, can also be 2n items connection track in fact, it is important that every cunning
All it is so that the different processes of prefabricated case beam is completed in different regions using traveling platform sliding on dynamic rail road, for example, n items connect
It integrates with a wherein sliding rail point-blank, in addition n items connection track and another sliding rail are straight at one
On line, by the repeated arrangement along its length of two sliding rails in Fig. 1；Or 2n items connection track and two sliding rails are put down
Row is set up in parallel, by two sliding rails in Fig. 1 along its width direction repeated arrangement.
In another technical solution, as shown in Fig. 2, the construction method of the sliding caisson platform precasting box beam, every
The reinforcing bar binding area 1 of sliding rail and 2 both sides of concreting area are equipped with working workbench 7, and reinforcing bar binds 1 He of area
The top in concreting area 2 is equipped with factory's canopy 8.Need placement material more since reinforcing bar binds area 1 and concreting area 2,
Manual operation is more, therefore workbench 7 is arranged and is convenient for work.
In another technical solution, as shown in Figs. 1-2, the construction method of the sliding caisson platform precasting box beam, two
The dislocation of sliding rail is set up in parallel, so that the reinforcing bar binding area 1 and concreting area 2 on two sliding rails are set up in parallel
In factory's canopy 8.Since the construction area direction of two sliding rails is on the contrary, and reinforcing bar binding area and concreting area all need
Workbench and factory's canopy are set, carry out shifting to install two sliding rails, the demand can be met, saves space, drop
The low construction intensity for establishing construction site.
In another technical solution, as shown in Fig. 2, the construction method of the sliding caisson platform precasting box beam, reinforcing bar
Binding area 1 is made of rack 12 and reinforcing bar fetal membrane 11, across sliding rail and is set on workbench 7 on the rack 12,
The reinforcing bar fetal membrane 11 is placed on rack 12, and the longitudinal centre line of rack 12 and reinforcing bar fetal membrane 11 is parallel with sliding rail；
Step A the specific steps are：Box beam baseplate reinforcing bar and side plate reinforcing bar, then installs case are first bound on reinforcing bar fetal membrane 11
Beam core film finally binds box beam roof steel bar.
In the technical scheme, this be the binding of the technical program prefabricated case beam reinforcing bar early period method, same using moving
Under conditions of dynamic pedestal carries out pipelining, other can also be used not influence the construction method of prefabricated case beam quality.
In another technical solution, the construction method of the sliding caisson platform precasting box beam is torn open after concrete initial set
The box beam core model and box beam external mold removed is positioned on the workbench 7 of 2 both sides of concreting area, and box beam core model is hung to steel
Muscle is bound on the workbench of 1 both sides of area.It is convenient for the construction of next prefabricated case beam in this way.The box beam external mold is located at sliding rail
On workbench at left and right sides of road, positioned in concreting area Fast Installation convenient for box beam external mold.
In another technical solution, as shown in Figs. 1-2, the construction method of the sliding caisson platform precasting box beam, also
Including the second gantry crane outside the first gantry crane being set in factory's canopy 8 and factory's canopy, wherein in step B, steel bar framework of box beam by
Reinforcing bar binding area 1 is hung to concreting area 2 and box beam core model to be hung to the workbench 7 of reinforcing bar binding 1 both sides of area be to pass through
What the first gantry crane was realized, traveling platform is from the prestressed stretch-draw area 5 of a sliding rail to another sliding rail in step D
Bonding pad 6 be by the second gantry crane realize.First gantry crane is not shown in the accompanying drawings in the second gantry crane.
In another technical solution, the construction method of the sliding caisson platform precasting box beam, concreting area 2 with
High temperature steam curing area 3 is additionally provided with concrete initial set area (not shown in figures), and casting concrete will move later in step B
Pedestal slides onto concrete initial set area and removes box beam core model and box beam external mold after its initial set.Since concrete initial set needs centainly
Time therefore a concrete initial set area can be specially set between concreting area and high temperature steam curing area, with
Improve the construction efficiency of working procedure early period.In this case, the quantity of traveling platform can be more than 4 on every sliding rail
A, the time spent to avoid concrete initial set wastes in other processes, to improve working efficiency.
Although the embodiments of the present invention have been disclosed as above, but its is not only in the description and the implementation listed
With it can be fully applied to various fields suitable for the present invention, for those skilled in the art, can be easily
Realize other modification, therefore without departing from the general concept defined in the claims and the equivalent scope, the present invention is simultaneously unlimited
In specific details and legend shown and described herein.
Claims (7)
1. the construction method of sliding caisson platform precasting box beam, which is characterized in that include the following steps：
One, construction site is established, construction site includes two sliding rails, can slidably and with sliding rail divide along sliding rail
From traveling platform and along every sliding rail setting construction area, construction area is along traveling platform on every sliding rail
Glide direction is divided into bonding pad, reinforcing bar binding area, concreting area, high temperature steam curing area, general according to working procedure successively
Logical maintenance area and prestressed stretch-draw area, two sliding rails are parallel and are set up in parallel along sliding rail width direction, and two
On sliding rail traveling platform glide direction on the contrary, make a sliding rail prestressed stretch-draw area and another sliding rail
The bonding pad in road is arranged close to；
Two, the construction procedure of a prefabricated case beam is followed successively by each sliding rail：
A, box beam reinforcing bar is bound in reinforcing bar binding area, and box beam core model is installed, obtain steel bar framework of box beam；
B, a traveling platform is slid onto into concreting area from the bonding pad of sliding rail by reinforcing bar binding area, and by case
Beam reinforcement cages are hung on the traveling platform in concreting area, and installation box beam external mold and casting concrete wait for concrete initial set
It removes box beam core model afterwards and box beam external mold obtains precast beam piece；
C, traveling platform is slid onto to the steam that high temperature steam curing area and common maintenance area carry out precast beam piece respectively successively support
Shield and watering maintenance；
D, traveling platform is slid onto into prestressing force from common maintenance area after precast beam piece intensity in step C reaches design strength
Area's tensioned prestressing bar and mud jacking are drawn, the prefabricated of box beam is completed, by prefabricated box girder hoisting to depositing Liang Chang, and traveling platform is hung to
The bonding pad of another sliding rail；
Wherein, it is poured for realizing concrete on each sliding rail at least provided with 4 traveling platforms on each sliding rail
Build that area, high temperature steam curing area, each working procedure is worked continuously in common maintenance area and prestressed stretch-draw area, to real
The cycle construction of multiple prefabricated case beams on existing two sliding rails.
2. the construction method of sliding caisson platform precasting box beam as described in claim 1, which is characterized in that every sliding rail
Reinforcing bar binds area and concreting area both sides and is equipped with working workbench, and reinforcing bar binds area and concreting area
Top is equipped with factory's canopy.
3. the construction method of sliding caisson platform precasting box beam as claimed in claim 2, which is characterized in that two sliding rail mistakes
Position is set up in parallel, so that the reinforcing bar binding area and concreting area on two sliding rails are disposed in parallel in factory's canopy.
4. the construction method of sliding caisson platform precasting box beam as claimed in claim 3, which is characterized in that reinforcing bar binds Qu Youtai
Frame and reinforcing bar fetal membrane composition across sliding rail and are set on workbench on the rack, and the reinforcing bar fetal membrane is placed in platform
On frame, the longitudinal centre line of rack and reinforcing bar fetal membrane is parallel with sliding rail；
Step A the specific steps are：Box beam baseplate reinforcing bar and side plate reinforcing bar are first bound on reinforcing bar fetal membrane, then box beam core is installed
Film finally binds box beam roof steel bar.
5. the construction method of sliding caisson platform precasting box beam as claimed in claim 4, which is characterized in that torn open after concrete initial set
The box beam core model and box beam external mold removed is positioned on the workbench of concreting area both sides, and box beam core model is hung to reinforcing bar
On the workbench for binding area both sides.
6. the construction method of sliding caisson platform precasting box beam as claimed in claim 5, which is characterized in that further include being set to factory
The second gantry crane outside the first gantry crane and factory's canopy in canopy, wherein in step B, steel bar framework of box beam is hung by reinforcing bar binding area
Being hung to reinforcing bar to bind the workbench of area both sides to concreting area and box beam core model is realized by the first gantry crane
, in step D traveling platform from the bonding pad of prestressed stretch-draw area to another sliding rail of a sliding rail be to pass through
Second gantry crane is realized.
7. the construction method of sliding caisson platform precasting box beam as described in claim 1, which is characterized in that concreting area with
High temperature steam curing area is additionally provided with concrete initial set area, and traveling platform is slid onto concrete by casting concrete later in step B
First coagulation zone removes box beam core model and box beam external mold after its initial set.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711379196X | 2017-12-19 | ||
| CN201711379196 | 2017-12-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108381746A true CN108381746A (en) | 2018-08-10 |
| CN108381746B CN108381746B (en) | 2020-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810128504.XA Active CN108381746B (en) | 2017-12-19 | 2018-02-08 | Construction method of sliding type pedestal prefabricated box girder |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112132423A (en) * | 2020-09-04 | 2020-12-25 | 中铁大桥局集团有限公司 | Production management method and system for rail-movable beam-making pedestal |
| CN112265134A (en) * | 2020-11-02 | 2021-01-26 | 中交路桥华南工程有限公司 | Beam-making area of beam body precast yard |
| CN112873487A (en) * | 2021-01-20 | 2021-06-01 | 广东预立预制构件有限公司 | Production method of T-shaped beam, small box beam and segment piece heavy prefabricated part |
| CN112976288A (en) * | 2021-04-14 | 2021-06-18 | 展鹏(福建)工贸有限公司 | Production method of automatic brick production line |
| CN113442279A (en) * | 2021-07-09 | 2021-09-28 | 四川东泉机械设备制造有限公司 | Continuous circulating pouring method for concrete member |
| CN113771204A (en) * | 2021-10-28 | 2021-12-10 | 山东交通学院 | Circulation production method of prefabricated box girder and box girder template device |
| CN113997402A (en) * | 2021-11-17 | 2022-02-01 | 中铁一局集团有限公司 | Annular production line of prefabricated T roof beam |
| CN114932610A (en) * | 2022-04-22 | 2022-08-23 | 嘉兴路虹机械有限公司 | Automatic production system based on stair mould |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112132423A (en) * | 2020-09-04 | 2020-12-25 | 中铁大桥局集团有限公司 | Production management method and system for rail-movable beam-making pedestal |
| CN112132423B (en) * | 2020-09-04 | 2023-12-29 | 中铁大桥局集团有限公司 | Production management method and system for track movable beam making pedestal |
| CN112265134A (en) * | 2020-11-02 | 2021-01-26 | 中交路桥华南工程有限公司 | Beam-making area of beam body precast yard |
| CN112873487A (en) * | 2021-01-20 | 2021-06-01 | 广东预立预制构件有限公司 | Production method of T-shaped beam, small box beam and segment piece heavy prefabricated part |
| CN112976288A (en) * | 2021-04-14 | 2021-06-18 | 展鹏(福建)工贸有限公司 | Production method of automatic brick production line |
| CN112976288B (en) * | 2021-04-14 | 2022-06-07 | 展鹏(福建)工贸有限公司 | Production method of automatic brick production line |
| CN113442279A (en) * | 2021-07-09 | 2021-09-28 | 四川东泉机械设备制造有限公司 | Continuous circulating pouring method for concrete member |
| CN113771204A (en) * | 2021-10-28 | 2021-12-10 | 山东交通学院 | Circulation production method of prefabricated box girder and box girder template device |
| CN113997402A (en) * | 2021-11-17 | 2022-02-01 | 中铁一局集团有限公司 | Annular production line of prefabricated T roof beam |
| CN114932610A (en) * | 2022-04-22 | 2022-08-23 | 嘉兴路虹机械有限公司 | Automatic production system based on stair mould |
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