CN111648247A - Multi-stage assembled capping beam and construction process thereof - Google Patents

Multi-stage assembled capping beam and construction process thereof Download PDF

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Publication number
CN111648247A
CN111648247A CN202010478473.8A CN202010478473A CN111648247A CN 111648247 A CN111648247 A CN 111648247A CN 202010478473 A CN202010478473 A CN 202010478473A CN 111648247 A CN111648247 A CN 111648247A
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CN
China
Prior art keywords
festival
tensioning
adjacent
pier stud
lateral
Prior art date
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Pending
Application number
CN202010478473.8A
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Chinese (zh)
Inventor
方伟太
张新
刘银辉
黄国峰
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Second Engineering Co Ltd of China Railway Construction Bridge Engineering Bureau Group Co Ltd
Original Assignee
Second Engineering Co Ltd of China Railway Construction Bridge Engineering Bureau Group Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Second Engineering Co Ltd of China Railway Construction Bridge Engineering Bureau Group Co Ltd filed Critical Second Engineering Co Ltd of China Railway Construction Bridge Engineering Bureau Group Co Ltd
Priority to CN202010478473.8A priority Critical patent/CN111648247A/en
Publication of CN111648247A publication Critical patent/CN111648247A/en
Pending legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D21/00Methods or apparatus specially adapted for erecting or assembling bridges
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D19/00Structural or constructional details of bridges
    • E01D19/02Piers; Abutments ; Protecting same against drifting ice

Abstract

The invention discloses a multi-stage assembled type bent cap and a construction process thereof, relates to the technical field of bridge structures, and aims to solve the technical problem of slow engineering progress. The whole bent cap is respectively provided with the middle section and the plurality of side sections along the length direction, so that after each stage is prefabricated in a factory building, the bent cap can be directly transported to a construction site and then assembled on the site.

Description

Multi-stage assembled capping beam and construction process thereof
Technical Field
The invention relates to the technical field of bridge structures, in particular to a multi-stage assembled capping beam and a construction process thereof.
Background
The capping beam is a cross beam, also called a cap beam, arranged at the top of the framed bent pier for supporting, distributing and transferring the load of the upper structure.
The existing Chinese patent with the publication number of CN109024298A provides a bent cap construction method, what adopt is the rectangle pier stud, the part that closes on the up end of rectangle pier stud runs through and is provided with the rod iron, it is connected with the regulation supporting seat to stretch out the end at the both ends of rod iron, thereby it confirms the mounting height of whole template to specifically make the height of adjusting the supporting seat change, the right angle tripod is used for supporting fixed side die block, with bent cap steel reinforcement cage and stride well die block, the side die block, the upper surface cooperation of pier stud, can accomplish the shaping of pouring of bent cap after fixing the end mould, need demolish each part after the shaping. The construction of the bent cap is realized by adopting a cast-in-place mode.
However, the cast-in-place construction method is easy to cause the project progress to be slower, so the improvement is needed.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a multi-stage assembled type bent cap which has the advantage of faster engineering progress.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a multistage pin-connected panel bent cap, is located the pier stud top, includes middle part festival section and is located a plurality of lateral part festival sections of middle part festival section both sides, and is a plurality of the lateral part festival section that is located middle part festival section both sides uses the middle part festival section to set up as central symmetry, middle part festival section towards the both ends wall of lateral part festival section of both sides respectively rather than the end wall fixed connection of adjacent both sides festival section, the middle part festival section is located directly over the pier stud, the diapire and the pier stud roof fixed connection of middle part festival section, a plurality of the end wall of lateral part festival section rather than the end wall fixed connection of adjacent lateral.
Through adopting above-mentioned technical scheme, with whole bent cap along its length direction difference middle part festival section and a plurality of lateral part festival section, can realize in the factory building after each stage of prefabrication, directly transport to the job site, assemble again at the scene, compare in prior art whole cast-in-place shaping, the engineering progress has been improved to the engineering time at the job site is shorter.
Furthermore, the two ends of the top wall of the middle section and the top walls of the side sections are fixedly connected with prestressed anchor blocks, the prestressed anchor blocks are all located on the same straight line, a plurality of tensioning steel bars are arranged between the two adjacent prestressed anchor blocks, and the two ends of each tensioning steel bar are fixedly connected with the two corresponding prestressed anchor blocks respectively.
By adopting the technical scheme, when the tensioning device is installed, after the adjacent sections are aligned, the two ends of the tensioning steel bar and the two corresponding prestressed anchor blocks are fixed, so that the connecting strength between the adjacent sections is higher.
Furthermore, it is a plurality of prestressed anchorage piece all runs through along bent cap length direction and is equipped with the stretch-draw hole, and is a plurality of the both ends of stretch-draw reinforcing bar are inserted respectively and are established to corresponding two stretch-draw downthehole, and is a plurality of the equal thread bush in both ends outside of stretch-draw reinforcing bar is equipped with stretch-draw nut, and is a plurality of stretch-draw nut butt respectively on the lateral wall at corresponding prestressed anchorage piece dorsad corresponding stretch-draw reinforcing bar middle part.
By adopting the technical scheme, the two ends of the tensioning steel bar are inserted into the corresponding tensioning holes, then the tensioning nut is screwed to the outer side of the tensioning steel bar, and the two ends of the tensioning steel bar are connected with the prestressed anchor blocks on the two sides by abutting the tensioning nut against the prestressed anchor blocks. And when the condition of wire breakage of the tensioning reinforcing steel bar occurs, the tensioning reinforcing steel bar can be replaced after the tensioning nut is disassembled, and the tensioning reinforcing steel bar replacing device has the advantage of being convenient and fast to operate.
Furthermore, a plurality of flexible tensioning sleeves are sleeved on the outer sides of two ends of each tensioning steel bar, and are inserted into corresponding tensioning holes in an interference manner.
Through adopting above-mentioned technical scheme, the flexible cover of stretch-draw has better elasticity, can effectively fill the clearance in stretch-draw reinforcing bar and stretch-draw hole, and can avoid stretch-draw reinforcing bar and the direct rigid contact in stretch-draw hole to avoid wearing and tearing seriously between stretch-draw reinforcing bar and the stretch-draw hole each other in the tension process, effectively maintain the stability of stretch-draw reinforcing bar in the tension process.
Furthermore, the end wall of the middle section facing to the adjacent side sections and the end wall of the plurality of side sections facing away from the middle section are fixedly connected with a plurality of connecting blocks, and the end walls of the plurality of side sections facing to the middle section are provided with connecting holes for the corresponding connecting blocks to be inserted in an adaptive mode.
Through adopting above-mentioned technical scheme, when assembling between the adjacent section, insert the connecting block and establish to corresponding connecting hole in, on the one hand, can realize the alignment between the adjacent section, have the effect of assistance-localization real-time, on the other hand, the connecting block can make to a certain extent support intensity in vertical direction between the adjacent section higher with the mating reaction of connecting hole, atress jointly between the adjacent section to make the whole support intensity in vertical direction of bent cap after assembling the completion higher.
Further, adhesive layers are fixedly arranged between the middle section and the adjacent side sections and between the adjacent two side sections.
Through adopting above-mentioned technical scheme, can further make the joint strength between the both ends wall of laminating mutually higher between the adjacent section through the tie coat, can make the whole structural strength in the horizontal direction of bent cap after assembling the completion higher. In addition, the sealing performance between the two end walls which are jointed can be better.
Further, middle part festival section diapire and pier stud roof are all fixed the splice bar that is provided with a plurality of vertical settings, and are a plurality of the splice bar divide into a plurality of right, arbitrary right the splice bar is all coaxial, and arbitrary all is equipped with connecting sleeve between to the splice bar, and is a plurality of right the splice bar is inserted respectively towards adjacent connecting sleeve's tip and is established the both ends at corresponding connecting sleeve, and is a plurality of the inside all fixed concrete piece that is provided with of connecting sleeve, a plurality of right the inside of establishing to corresponding concrete piece is all inserted towards adjacent connecting sleeve's tip to the splice bar.
Through adopting above-mentioned technical scheme, can be so that the joint strength between middle part festival section and the pier stud is higher, after middle part festival section stability promoted, the stability of a plurality of lateral part festival sections rather than consecutive all can be promoted, can promote the holistic stability of bent cap after assembling.
Furthermore, a plurality of the outer walls of the two ends of the connecting rib are fixedly sleeved with anti-falling sleeves.
Through adopting above-mentioned technical scheme, can be so that behind the embedded middle part festival section of income of splice bar tip or pier stud or concrete block, the splice bar is difficult for breaking away from, further joint strength between middle part festival section and the pier stud promptly to further promote the holistic stability of bent cap.
Further, be equipped with the supporting seat between pier stud and the middle part festival section, the diapire of middle part festival section and the roof of pier stud are equipped with respectively and supply the roof and the diapire of supporting seat to insert the support hole of establishing.
Through adopting above-mentioned technical scheme, the supporting seat can effectively protect a plurality of naked splice bars and anticreep sleeve, avoids splice bar and the telescopic junction of anticreep to expose all the year round wind erosion after outside and leads to intensity to reduce. The supporting seat can assist in supporting the middle section, so that the stress degree of the connecting rib is reduced.
The invention also aims to provide a construction process of the multi-stage assembled type bent cap, which has the advantages that the assembled type bent cap can be assembled on site, and the integral structural strength of the bent cap is higher after the assembled type bent cap is assembled.
In order to achieve the purpose, the invention provides the following technical scheme:
a construction process of a multi-stage assembled capping beam comprises the following steps:
s1, prefabricating a middle section and a plurality of side sections required by production in the prefabricated factory building according to actual size requirements;
s2, hoisting the middle section to the top of the pier stud through hoisting equipment, and fixedly connecting the bottom wall of the middle section with the top wall of the pier stud;
s3, installing a fixed bridge girder erection machine on the top of the pier stud;
s4, hoisting and transporting the side sections to a required position through a bridge girder erection machine;
and S5, connecting and fixing the middle section and the adjacent side sections, and fixing a plurality of adjacent side sections in sequence.
Through adopting above-mentioned technical scheme, install the back with middle part festival section and a plurality of lateral part festival section through above-mentioned step, can be so that the joint strength between middle part festival section and the pier stud is higher, and can make a plurality of lateral part festival sections and the mutual joint strength of middle part festival section higher, can effectively ensure to assemble the holistic joint strength of bent cap after accomplishing.
In conclusion, the invention has the following beneficial effects:
1. adopted middle part festival section and be located a plurality of lateral part festival sections of middle part festival section both sides in order to constitute the bent cap, a plurality of lateral part festival sections that are located middle part festival section both sides use the middle part festival section to set up as central symmetry, middle part festival section towards the both ends wall of both sides lateral part festival section respectively rather than the end wall fixed connection of adjacent both sides festival section, the middle part festival section is located directly over the pier stud, the diapire and the pier stud roof fixed connection of middle part festival section, the end wall of a plurality of lateral part festival sections rather than the end wall fixed connection of adjacent lateral part festival section. The whole bent cap is respectively provided with the middle section and the plurality of side sections along the length direction, so that after each stage is prefabricated in a factory building, the bent cap can be directly transported to a construction site and then assembled on the site.
2. The construction of the bent cap is carried out by adopting the following steps: s1, prefabricating a middle section and a plurality of side sections required by production in the prefabricated factory building according to actual size requirements; s2, hoisting the middle section to the top of the pier stud through hoisting equipment, and fixedly connecting the bottom wall of the middle section with the top wall of the pier stud; s3, installing a fixed bridge girder erection machine on the top of the pier stud; s4, hoisting and transporting the side sections to a required position through a bridge girder erection machine; and S5, connecting and fixing the middle section and the adjacent side sections, and fixing a plurality of adjacent side sections in sequence. After installing middle part festival section and a plurality of lateral part festival section through above-mentioned step, can be so that the joint strength between middle part festival section and the pier stud is higher, and can make a plurality of lateral part festival sections and middle part festival section joint strength each other higher, can effectively ensure to assemble the holistic joint strength of bent cap after accomplishing.
Drawings
FIG. 1 is a schematic structural diagram of the present embodiment;
FIG. 2 is an enlarged view taken at A in FIG. 1;
FIG. 3 is a cross-sectional view of the embodiment showing the connection relationship between the prestressed anchor blocks and the tensioned reinforcing steel bars;
FIG. 4 is a cross-sectional view of the present embodiment illustrating the connection of the medial and lateral segments;
fig. 5 is a sectional view of the present embodiment showing the connection of the intermediate section to the abutment.
In the figure: 1. pier studs; 11. a middle segment; 12. a side segment; 2. a pre-stressed anchor block; 21. stretching the reinforcing steel bars; 210. stretching the hole; 22. stretching the flexible sleeve; 23. tensioning the nut; 3. connecting blocks; 30. connecting holes; 31. a bonding layer; 4. connecting ribs; 41. a connecting sleeve; 42. a concrete block; 43. an anti-drop sleeve; 5. a supporting seat; 50. and a support hole.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example 1:
a multi-stage sectional capping beam, referring to fig. 1, is located above a pier stud 1, and the capping beam includes a middle section 11 and a plurality of side sections 12 located at both sides of the middle section 11. A plurality of side segments 12 located at both sides of the central segment 11 are symmetrically arranged with the central segment 11 as a center. Middle part festival section 11 is located pier stud 1 directly over, is equipped with supporting seat 5 between pier stud 1 and middle part festival section 11.
Referring to fig. 2, prestressed anchor blocks 2 are pre-buried and fixed at two ends of the top walls of a middle section 11 (refer to fig. 1) and a plurality of side sections 12, the prestressed anchor blocks 2 are all located on the same straight line, a plurality of tensioning steel bars 21 are arranged between the two prestressed anchor blocks 2 which are close to each other, the prestressed anchor blocks 2 are all provided with tensioning holes 210 along the length direction of the cover beam in a penetrating manner, and two ends of the tensioning steel bars 21 are respectively inserted into the two corresponding tensioning holes 210.
Referring to fig. 3, the outer sides of both ends of the plurality of tension bars 21 are respectively sleeved with a tension flexible sleeve 22, and preferably, the inner wall of the tension flexible sleeve 22 is matched with the outer wall of the tension bar 21. The tensioned flexible sleeve 22 is preferably of a rubber material. The plurality of tensioned flexible sleeves 22 are inserted into the corresponding tensioned holes 210 in an interference manner. Preferably, the flexible tensioning sleeve 22 is in the shape of a circular truncated cone, and the tip of the flexible tensioning sleeve 22 is arranged towards the middle of the tensioning steel bar 21 connected with the flexible tensioning sleeve.
Referring to fig. 3, the outer sides of the two ends of the plurality of tensioning steel bars 21 are respectively provided with a tensioning nut 23 in a threaded manner, and the plurality of tensioning nuts 23 are respectively abutted against the side wall of the corresponding prestressed anchor block 2 facing away from the middle part of the corresponding tensioning steel bar 21, so that the two ends of the tensioning steel bar 21 are fixedly connected with the corresponding two prestressed anchor blocks 2. Thereby achieving a fixed connection between the central segment 11 and its adjacent two side segments 12 and between several adjacent side segments 12.
Referring to fig. 4, a plurality of connecting blocks 3 are integrally formed on the end wall of the middle section 11 facing the adjacent side section 12 and the end wall of the plurality of side sections 12 facing away from the middle section 11, the end walls of the plurality of side sections 12 facing the middle section 11 are respectively provided with a connecting hole 30, and the plurality of connecting blocks 3 are respectively inserted into the corresponding connecting holes 30 in a matching manner. An adhesive layer 31 is fixedly arranged between the middle segment 11 and the adjacent side segment 12, and between the adjacent two side segments 12, preferably, the adhesive layer 31 is formed by curing a coated epoxy adhesive (also called an epoxy resin curing agent) at room temperature.
Referring to fig. 5, the splice bar 4 that is fixed with a plurality of vertical settings is all pre-buried to middle part segment 11 diapire and 1 roof of pier stud, a plurality of splice bars 4 divide into a plurality of pairs, arbitrary 4 equal coaxial cores to the splice bar, arbitrary all are equipped with connecting sleeve 41 between 4 to the splice bar, it is inside that a plurality of tip towards adjacent connecting sleeve 41 to the splice bar 4 insert the both ends of establishing corresponding connecting sleeve 41 respectively, the concrete is in order to form concrete block 42 all to pour inside a plurality of connecting sleeve 41, a plurality of tip towards adjacent connecting sleeve 41 to the splice bar 4 all insert the inside of establishing to corresponding concrete block 42.
Referring to fig. 5, the outer walls of the two ends of the connecting ribs 4 are both sleeved with anti-falling sleeves 43, and the anti-falling sleeves 43 and the connecting ribs 4 are integrally formed. Preferably, the anti-falling sleeve 43 is in a circular truncated cone shape, and a tip of the anti-falling sleeve 43 is disposed toward the middle of the connecting rib 4.
Referring to fig. 5, the support base 5 is formed by curing cast-in-place concrete, and the plurality of tie bars 4 and the anti-slip sleeve 43 are located inside the support base 5. The diapire of middle part festival section 11 and the roof of pier stud 1 all are equipped with support hole 50, and the roof and the diapire of supporting seat 5 adaptation are respectively inserted and are established to two support holes 50 in.
The working principle is as follows: the whole bent cap is respectively provided with the middle section 11 and the plurality of side sections 12 along the length direction, so that after each stage is prefabricated in a factory building, the bent cap can be directly transported to a construction site and assembled on the site.
Example 2:
a construction process of a multi-stage assembled capping beam comprises the following steps: s1, prefabricating the middle section 11 and the side sections 12 required by production in the prefabricated factory building according to actual size requirements. In the production process, the connecting ribs 4 are embedded at the bottom of the middle section 11, and the connecting ribs 4 are embedded at the top of the pier stud 1.
S2, hoisting the middle section 11 to the top of the pier stud 1 through hoisting equipment, respectively inserting a plurality of pairs of connecting ribs 4 on the bottom wall of the middle section 11 and the top wall of the pier stud 1 into a plurality of connecting sleeves 41, pouring concrete in the connecting sleeves 41 to form grouting sleeves, and fixedly connecting the middle section 11 and the pier stud 1 in a grouting sleeve mode.
And S3, installing and fixing a bridge girder erection machine at the top of the pier stud 1.
S4, hoisting and transporting the side sections 12 to a required position through a bridge girder erection machine; the end walls of the central segment 11 and the side segments 12 are painted with epoxy adhesive.
S5, before the epoxy adhesive is cured, the middle segment 11 is attached to its adjacent side segments 12, and thereafter a number of adjacent side segments 12 are attached in sequence. The epoxy adhesive is then cured to form the adhesive layer 31. And tensioning prestress is carried out through the steel bundles, and finally the cap beam can be assembled and fixed.
The working principle is as follows: after installing middle part festival section 11 and a plurality of lateral part festival section 12 through above-mentioned step, can be so that the joint strength between middle part festival section 11 and pier stud 1 is higher, and can make a plurality of lateral part festival sections 12 and middle part festival section 11 joint strength each other higher, can effectively ensure to assemble the holistic joint strength of bent cap after accomplishing.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims (10)

1. The utility model provides a multistage pin-connected panel bent cap, is located pier stud (1) top, its characterized in that: including middle part festival section (11) and be located a plurality of lateral part festival sections (12) of middle part festival section (11) both sides, it is a plurality of lateral part festival section (12) that are located middle part festival section (11) both sides use middle part festival section (11) to set up as central symmetry, middle part festival section (11) are towards the both ends wall of both sides lateral part festival section (12) respectively rather than the end wall fixed connection of adjacent both sides portion festival section (12), middle part festival section (11) are located pier stud (1) directly over, the diapire and the pier stud (1) roof fixed connection of middle part festival section (11), a plurality of the end wall of lateral part festival section (12) rather than the end wall fixed connection of adjacent lateral part festival section (12).
2. A multi-stage sectional capping beam according to claim 1, wherein: equal fixedly connected with prestressed anchorage piece (2) in both ends department of middle part segment (11) and a plurality of lateral part segment (12) roof, it is a plurality of prestressed anchorage piece (2) all are located same straight line, and are a plurality of all be equipped with stretch-draw reinforcing bar (21) between two prestressed anchorage piece (2) that are close to mutually, it is a plurality of the both ends of stretch-draw reinforcing bar (21) respectively with corresponding two prestressed anchorage piece (2) fixed connection.
3. A multi-stage sectional capping beam according to claim 2, wherein: the prestressed anchor blocks (2) are provided with tensioning holes (210) in a penetrating mode along the length direction of the cover beam, two ends of the tensioning steel bars (21) are inserted into the two corresponding tensioning holes (210) respectively, the outer sides of the two ends of the tensioning steel bars (21) are provided with tensioning nuts (23) in a threaded sleeved mode, and the tensioning nuts (23) are abutted to the side wall, back to the middle portion of the corresponding tensioning steel bar (21), of the corresponding prestressed anchor blocks (2) respectively.
4. A multi-stage sectional capping beam according to claim 3, wherein: the outer sides of two ends of the tensioning steel bars (21) are respectively provided with a tensioning flexible sleeve (22), and the tensioning flexible sleeves (22) are inserted into corresponding tensioning holes (210) in an interference manner.
5. A multi-stage sectional capping beam according to claim 2, wherein: the end wall of middle part festival section (11) towards adjacent lateral part festival section (12), the equal fixedly connected with of end wall of a plurality of lateral part festival section (12) dorsad middle part festival section (11) are connected with a plurality of connecting blocks (3), and a plurality of lateral part festival section (12) all are equipped with and supply corresponding connecting block (3) adaptation to insert connecting hole (30) of establishing towards the end wall of middle part festival section (11).
6. A multi-stage sectional capping beam according to claim 2, wherein: and bonding layers (31) are fixedly arranged between the middle segment (11) and the adjacent side segments (12) thereof and between the adjacent two side segments (12).
7. A multi-stage sectional capping beam according to claim 1, wherein: middle part section (11) diapire and pier stud (1) roof are all fixed and are provided with splice bar (4) of a plurality of vertical settings, and are a plurality of splice bar (4) divide into a plurality of pairs, and is arbitrary right splice bar (4) are all with the axle center, and arbitrary all are equipped with connecting sleeve (41) between splice bar (4), and is a plurality of right splice bar (4) are inserted respectively and are established the both ends of corresponding connecting sleeve (41) towards the tip of adjacent connecting sleeve (41), and are a plurality of inside all fixed concrete block (42) that are provided with of connecting sleeve (41), and is a plurality of right splice bar (4) are all inserted towards the tip of adjacent connecting sleeve (41) and are established the inside to corresponding concrete block (42).
8. A multi-stage sectional capping beam according to claim 7, wherein: and the outer walls of the two ends of the connecting ribs (4) are fixedly sleeved with anti-falling sleeves (43).
9. A multi-stage sectional capping beam according to claim 7, wherein: be equipped with supporting seat (5) between pier stud (1) and middle part festival section (11), the diapire of middle part festival section (11) and the roof of pier stud (1) are equipped with respectively and supply the roof and the diapire of supporting seat (5) to insert support hole (50) of establishing.
10. The construction process of the multi-stage assembled bent cap is characterized by comprising the following steps of:
s1, prefabricating a middle section (11) and a plurality of side sections (12) required by production in the prefabricated factory building according to actual size requirements;
s2, hoisting the middle section (11) to the top of the pier stud (1) through hoisting equipment, and fixedly connecting the bottom wall of the middle section (11) with the top wall of the pier stud (1);
s3, installing a fixed bridge girder erection machine on the top of the pier stud (1);
s4, hoisting and transporting the side sections (12) to a required position through a bridge girder erection machine;
s5, connecting and fixing the middle section (11) and the adjacent side sections (12), and fixing a plurality of adjacent side sections (12) in sequence.
CN202010478473.8A 2020-05-29 2020-05-29 Multi-stage assembled capping beam and construction process thereof Pending CN111648247A (en)

Priority Applications (1)

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CN202010478473.8A CN111648247A (en) 2020-05-29 2020-05-29 Multi-stage assembled capping beam and construction process thereof

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Application Number Priority Date Filing Date Title
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CN111648247A true CN111648247A (en) 2020-09-11

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101922143A (en) * 2010-07-02 2010-12-22 上海市第二市政工程有限公司 Construction method of bent cap
WO2016060334A1 (en) * 2014-10-15 2016-04-21 중앙대학교 산학협력단 Precast pier and precast pier construction method using same
CN108774948A (en) * 2018-07-02 2018-11-09 上海市政工程设计研究总院(集团)有限公司 A kind of segment free cantilever erection pier cap beam and its assembling method
CN209602957U (en) * 2018-12-11 2019-11-08 中交一公局土木工程建筑研究院有限公司 A kind of packaged type bridges bent cap pier stud reserves seam cementation of fissures model and bridge
CN111021236A (en) * 2020-01-16 2020-04-17 福州大学 Mixed connection assembly type concrete pier and construction method thereof

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101922143A (en) * 2010-07-02 2010-12-22 上海市第二市政工程有限公司 Construction method of bent cap
WO2016060334A1 (en) * 2014-10-15 2016-04-21 중앙대학교 산학협력단 Precast pier and precast pier construction method using same
CN108774948A (en) * 2018-07-02 2018-11-09 上海市政工程设计研究总院(集团)有限公司 A kind of segment free cantilever erection pier cap beam and its assembling method
CN209602957U (en) * 2018-12-11 2019-11-08 中交一公局土木工程建筑研究院有限公司 A kind of packaged type bridges bent cap pier stud reserves seam cementation of fissures model and bridge
CN111021236A (en) * 2020-01-16 2020-04-17 福州大学 Mixed connection assembly type concrete pier and construction method thereof

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