CN111501525A - Prefabricated bridge pier column and bearing platform connecting structure with pier base and construction method thereof - Google Patents
Prefabricated bridge pier column and bearing platform connecting structure with pier base and construction method thereof Download PDFInfo
- Publication number
- CN111501525A CN111501525A CN202010224417.1A CN202010224417A CN111501525A CN 111501525 A CN111501525 A CN 111501525A CN 202010224417 A CN202010224417 A CN 202010224417A CN 111501525 A CN111501525 A CN 111501525A
- Authority
- CN
- China
- Prior art keywords
- pier
- seat
- bearing platform
- sleeve
- stud
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/02—Piers; Abutments ; Protecting same against drifting ice
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a prefabricated bridge pier column and bearing platform connecting structure with a pier seat and a construction method thereof. The grouting sleeve connection structure has the characteristics of simple connection structure, convenience in construction and contribution to guaranteeing the connection quality of the grouting sleeve.
Description
Technical Field
The invention belongs to the technical field of bridge prefabrication and assembly in civil engineering, and particularly relates to a prefabricated bridge pier column and pile foundation connecting structure suitable for a bridge pier column, in particular to a prefabricated bridge pier column and pile foundation connecting structure with a pier seat and a construction method of the prefabricated bridge pier column and pile foundation connecting structure.
Background
The connecting part of the pier column and the bearing platform in the prefabricated assembled pier bears larger axial force, shearing force and bending moment, and is one of the key parts for stress. The pier stud is connected with the bearing platform through the grouting sleeve, the grouting sleeve is large in diameter and long in length, and if the grouting sleeve is arranged in a plastic hinge area at the bottom of the upright stud, the performance of the plastic hinge is affected to a certain degree, so that the anti-seismic performance of the pier can be affected. The common arrangement form has two kinds, arranges grout sleeve in the stand bottom in low earthquake district, and the cushion cap stretches out stand embedded steel bar, reserves the reinforcing bar during column mouting and stretches into in the sleeve, again to the sleeve in the pressure injection grout that excels in, realizes connecting. The arrangement mode has the advantages of simple structure and convenient construction. The other arrangement mode is used in a high earthquake area, the grouting sleeve is buried in the bearing platform, and the main steel bars extend out of the bottom of the pier when the pier column is prefabricated. The plastic hinge area at the bottom of the upright post is not provided with a grouting sleeve, so that the adverse effect on the performance of the plastic hinge is avoided. Both arrangements are schematically shown in the following figures. The grouting sleeve of the latter arrangement type has more bent grouting pipes and grout outlet pipes, so that the risk of damaging the grouting pipes, difficult grouting and even pipe blockage is easy to occur, and once problems occur, the grouting sleeve is difficult to treat.
When the pier stud of the high earthquake area adopts a prefabricated structure, it is necessary to find a reasonable connection structure with the bearing platform, and the structure not only needs to ensure that the grouting sleeve avoids a plastic hinge area, but also has the characteristics of simple structure, convenient installation and grouting construction in the sleeve and more contribution to ensuring the grouting quality in the sleeve.
Disclosure of Invention
The invention aims to provide a prefabricated pier column and bearing platform connecting structure with a pier seat and a construction method thereof, so that a grouting sleeve for connecting the pier column and the bearing platform avoids a plastic hinge area, and meanwhile, the prefabricated pier column and bearing platform connecting structure has the advantages of simple connecting structure, convenience in construction, contribution to guaranteeing the connection quality of the grouting sleeve and convenience in quality inspection, and convenience in problem handling.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows: the utility model provides a set up prefabricated bridge pier stud and cushion cap joint construction of pier seat, its characterized in that cushion cap corresponds the place of installation pier stud and sets up the pier seat, and pre-buried grout sleeve that has the vertical main reinforcing bar of connection pier stud in the pier seat, the main reinforcing bar of pier stud stretch out at the bottom of the post, inserts in the grout sleeve in the pier seat, and the grout that excels in is pressed in the sleeve, realizes firm connection.
Further, the pier stud is a reinforced concrete member or a reinforced concrete member provided with auxiliary vertical prestressed tendons.
Furthermore, the pier seat is a reinforced concrete component and is provided with a horizontal stirrup and peripheral vertical main stressed steel bars, the vertical main stressed steel bars stretch into the bearing platform to be anchored, the connecting grouting sleeve of the vertical main stressed steel bars of the pier column is installed in the pier seat, and the main stressed steel bars connected to the lower end of the grouting sleeve stretch into the bearing platform to be anchored.
Furthermore, grout pressing pipe and grout outlet pipe of the grouting sleeve directly extend out of the side wall of the pier seat, grouting is smooth, and the risk of pipe blockage is reduced.
The grouting sleeve connected with the vertical main steel bars of the pier stud is buried in the grouting sleeve pier seat connected with the vertical main steel bars of the pier stud, the main steel bars of the prefabricated pier stud extend out of the bottom of the pier, are inserted into the grouting sleeve in the pier seat during hoisting, and then high-strength cement paste is injected into the sleeve in a pressing mode, so that firm connection is achieved.
Further, the grouting sleeve may be a full grouting sleeve or a half grouting sleeve.
Further, the pier seat concrete and the bearing platform concrete are poured synchronously, or the pier seat concrete is poured after the bearing platform concrete reaches proper strength.
Furthermore, in order to make the prefabricated pier stud closely attached to the pier base, cement mortar base slurry with proper thickness is arranged between the prefabricated pier stud and the pier base, a base slurry groove can be reserved at the top of the pier base, and a temporary measure can be taken to form the base slurry groove when the pier stud is installed.
Further, the cross-section of the pier stud can be circular, square, rectangular or other polygonal shapes.
Further, the cross section of the pier seat can be round, square, rectangular or other polygons, and the size of the cross section is larger than that of the pier stud. The height of the pier seat is slightly larger than the length of the grouting sleeve so as to facilitate grouting operation of the grouting sleeve from the side surface of the pier seat.
Furthermore, when the shape, the structural size and the reinforcement design of the pier seat are carried out, the plastic hinge area is ensured to be arranged at the bottom of the pier column instead of the pier seat, and meanwhile, the convenience in grouting is also needed, the grouting of a grouting sleeve is facilitated, and the engineering quantity is saved.
A construction method for a prefabricated bridge pier column and bearing platform connecting structure provided with a pier seat is characterized by comprising the following steps:
A. the bearing platform is provided with a pier seat corresponding to the position where the pier stud is installed, firstly, reinforcing steel bars of the bearing platform and reinforcing steel bars of the pier seat are bound, and vertical main stress reinforcing steel bars on the periphery of the pier seat extend into the bearing platform. The grouting sleeve connected with the vertical main stressed steel bar of the pier stud is arranged in the pier seat, and the main stressed steel bar connected to the lower end of the grouting sleeve extends into the bearing platform; then pouring bearing platform concrete and pier seat concrete; prefabricating a pier column, wherein a vertical main steel bar of the pier column extends out of the bottom of the pier column;
B. after the prefabricated pier stud is transported to a bridge position, hoisting and installing the pier stud, inserting a vertical main steel bar into the sleeve, reserving or temporarily arranging a base grout groove at the top of the pier base in order to make the prefabricated pier stud closely attached to the pier base, and forming a cement mortar base grout layer with proper thickness;
C. and finally, high-strength cement paste is injected into the grouting sleeve to realize firm connection.
Compared with the prior art, the invention has the following advantages and effects: the prefabricated bridge pier column and bearing platform connecting structure with the pier base and the construction method thereof are provided, and the grouting sleeve is enabled to avoid a plastic hinge area, and meanwhile the structure has the advantages of being simple in structure, convenient to construct and check and reliable in connection quality.
Drawings
Fig. 1 is a schematic sectional elevation view showing a connection structure (full grouting sleeve method) of prefabricated pier stud and pier base and a construction sequence.
Fig. 2 is a schematic sectional elevation view showing a connection structure (semi-grouting sleeve type) of prefabricated pier stud and pier base and a construction sequence.
Fig. 3 is a schematic view illustrating a conventional grouting sleeve arrangement.
Fig. 4 is a schematic view of another conventional grouting sleeve arrangement.
Fig. 5 is a schematic view of the position of a conventional sleeve in a plastic hinge.
Fig. 6 is a schematic position diagram of the plastic hinge region and the sleeve after the pier seat is arranged.
The figure includes: 1. cushion cap, 2, pier seat, 3, prefabricated pier stud, 4, grouting sleeve, 5, vertical main reinforcing steel bar in the pier stud, 6, cushion cap main stress reinforcing steel bar, 7, seat grout groove, 8, seat grout layer, 9, high-strength cement paste, 10 and plastic hinge.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in the figure, the prefabricated bridge pier column and bearing platform connecting structure with the pier seat and the construction method thereof are characterized in that the bearing platform is provided with the pier seat structure corresponding to the position where the pier column is installed, and a grouting sleeve connected with a vertical main steel bar of the pier column is buried in the pier seat, so that the grouting sleeve avoids a plastic hinge area of the pier column. The purpose of simple connection structure, convenient construction and contribution to guaranteeing the connection quality of the grouting sleeve is achieved.
Referring to fig. 1 and fig. 2 in detail, a pier seat 2 is arranged at a position of a bearing platform 1 corresponding to a pier stud 3, firstly, reinforcing steel bars of the bearing platform 1 and reinforcing steel bars of the pier seat 2 are bound, and vertical main stress reinforcing steel bars on the periphery of the pier seat 2 extend into the bearing platform 1. The grout sleeve 4 (containing the mud jacking pipe and going out the thick liquid pipe, can be full grout sleeve, also can be half grout sleeve) of connecting the vertical main atress reinforcing bar 5 of pier stud is installed in pier seat 2, connects in the cushion cap main atress reinforcing bar 6 of grout sleeve 4 lower extreme stretches into in the cushion cap. And then pouring concrete of the bearing platform 1 and concrete of the pier seat 2, wherein the pouring can be carried out simultaneously, or the concrete of the pier seat 2 can be poured after the concrete of the bearing platform 1 reaches proper strength.
The pier stud 3 can be prefabricated at the same time, and the vertical main steel bar 5 extends out of the bottom of the pier stud. After the prefabricated pier stud 3 is transported to the bridge position, the pier stud 3 is lifted and installed, and the vertical main steel bar 5 of the pier stud is inserted into the sleeve 4. In order to make the prefabricated pier stud 3 closely attached to the pier base 2, a base grout groove 7 is reserved or temporarily arranged on the top of the pier base 2, and a cement mortar base grout layer 8 with proper thickness is formed.
And finally, high-strength cement paste 9 is injected into the grouting sleeve in a pressing mode to achieve firm connection.
In this embodiment, the pier stud is a reinforced concrete member or a reinforced concrete member provided with auxiliary vertical prestressed tendons, and the connection mode of the main stressed steel bars assembled at the bottom of the pier stud is a grouting sleeve.
In this embodiment, the pier base is a reinforced concrete member, and is configured with horizontal stirrups and peripheral vertical main stressed steel bars, and the vertical main stressed steel bars stretch into the anchor in the cushion cap, and the connection grouting sleeve of the vertical main stressed steel bars of the pier stud is installed in the pier base, and the main stressed steel bars connected to the lower end of the grouting sleeve stretch into the anchor in the cushion cap.
In this embodiment, grout sleeve's mud jacking pipe and play thick liquid pipe directly stretch out pier base lateral wall, and the mud jacking is smooth and easy, has reduced the risk of stifled pipe.
In this embodiment, the grouting sleeve may be a full grouting sleeve or a half grouting sleeve.
Pouring pier seat concrete and cushion cap concrete at the same time, or pouring the pier seat concrete after the cushion cap concrete reaches proper strength. In order to make the prefabricated pier stud closely attached to the pier base, cement mortar base slurry with proper thickness is arranged between the prefabricated pier stud and the pier base, a base slurry groove can be reserved at the top of the pier base, and a temporary measure can be taken to form the base slurry groove when the pier stud is installed. The cross section of the pier stud can be round, square, rectangular or other polygons. The cross section of the pier seat can be round, square, rectangular or other polygons, and the size of the cross section is larger than that of the pier stud. The height of the pier seat is slightly larger than the length of the grouting sleeve so as to facilitate grouting operation of the grouting sleeve from the side surface of the pier seat. When the shape, the construction size and the reinforcement design of the pier seat are carried out, the plastic hinge area is ensured to be arranged at the bottom of the pier column instead of the pier seat, and meanwhile, the convenience of grouting is brought to the seat, grouting of the grouting sleeve is facilitated, and the engineering quantity is saved.
The invention has the characteristics and the innovativeness that: (1) the connecting structure has the ingenious conception that a pier seat is additionally arranged between the upright post and the bearing platform, the grouting sleeve is arranged in the pier seat, and the grouting sleeve is not arranged in the plastic hinge area at the bottom of the upright post, so that the adverse effect on the performance of the plastic hinge is avoided, and the improvement on the seismic resistance of the bridge structure is very favorable. The function of setting the pier seats is illustrated in fig. 5 and 6, fig. 5 is a schematic view of the position of a conventional sleeve in a plastic hinge 10, and fig. 6 is a schematic view of the position of the sleeve and the plastic hinge 10 of the present invention, without a grout sleeve in the plastic hinge area at the bottom of the column. (2) The method for avoiding the sleeve from being arranged in the plastic hinge area at the column bottom in the existing engineering at present is to embed the sleeve in a bearing platform in advance. After the pier seat is arranged, the sleeve is moved from the bearing platform to the top of the bearing platform, so that the conflict between the sleeve with a large volume and the reinforcing steel bars of the bearing platform is avoided, the arrangement of the reinforcing steel bars of the bearing platform is simplified, and the construction efficiency and the construction quality are improved. (3) The grouting sleeve grouting pipe and the grout outlet pipe in the connection structure are horizontally connected without bending and damage, and the grouting sleeve grouting pipe and the grout outlet pipe are easy to maintain and replace when in problem. (4) Grouting quality is the most key point of muffjoint quality, promotes the sleeve behind the cushion cap top, and the sleeve slip casting pipe is from pier base bottom direct level to the slip casting in the sleeve, and slip casting is efficient and can not stifled the pipe. And the hidden quality trouble is greatly reduced, and the mud jacking is full and compact, which is very favorable for improving the engineering quality. (5) The grouting pipe and the grout outlet pipe are directly opened on the side surface of the pier seat, so that the sleeve connection quality can be conveniently checked and controlled.
While specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that this is by way of example only, and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and scope of the invention, and these changes and modifications are within the scope of the invention.
Claims (9)
1. The utility model provides a set up prefabricated bridge pier stud and cushion cap joint construction of pier seat, its characterized in that cushion cap corresponds the place of installation pier stud and sets up the pier seat, and pre-buried grout sleeve that has the vertical main reinforcing bar of connection pier stud in the pier seat, the main reinforcing bar of pier stud stretch out at the bottom of the post, inserts in the grout sleeve in the pier seat, and the grout that excels in is pressed in the sleeve, realizes firm connection.
2. The structure for connecting a prefabricated pier stud with a pier base and a bearing platform according to claim 1, wherein the prefabricated pier stud is a reinforced concrete member or a reinforced concrete member provided with auxiliary vertical prestressed tendons.
3. The prefabricated pier stud and bearing platform connection structure provided with the pier seat according to claim 1, wherein the pier seat is a reinforced concrete member provided with horizontal stirrups and peripheral vertical main stress steel bars, and the vertical main stress steel bars extend into and are anchored in the bearing platform.
4. The structure of claim 1, wherein the grouting sleeve is mounted inside the pier seat, the main force-bearing steel bar connected to the lower end of the grouting sleeve extends into the bearing platform and is anchored therein, and the grouting pipe and the grout outlet pipe of the grouting sleeve directly extend out of the side wall of the pier seat, so that grouting is smooth and risk of pipe blockage is reduced.
5. The structure for connecting a prefabricated pier stud with a pier seat and a bearing platform according to claim 1, wherein the grouting sleeve for connecting the vertical main stress steel bars of the pier stud in the pier seat is a full grouting sleeve or a half grouting sleeve.
6. The structure for connecting a prefabricated pier stud with a pier seat and a bearing platform according to claim 1, wherein the pier seat concrete and the bearing platform concrete are poured simultaneously or the pier seat concrete is poured after the bearing platform concrete reaches the strength.
7. The precast pier stud and abutment joint construction with a pier seat according to claim 1, wherein a mortar seating groove is provided at the top of the pier seat in order to allow the precast pier stud to be closely attached to the pier seat, and a mortar seating groove is provided between the precast pier stud and the abutment seat, or a temporary measure is taken to form the mortar seating groove when the pier stud is installed.
8. A construction method for a prefabricated bridge pier column and bearing platform connecting structure provided with a pier seat is characterized by comprising the following steps:
A. arranging a pier seat at a position of the bearing platform corresponding to the installation of the pier stud, firstly binding a bearing platform steel bar and a pier seat steel bar, and extending a vertical main stress steel bar at the periphery of the pier seat into the bearing platform; the grouting sleeve connected with the vertical main stressed steel bar of the pier stud is arranged in the pier seat, and the main stressed steel bar connected to the lower end of the grouting sleeve extends into the bearing platform; then pouring bearing platform concrete and pier seat concrete; prefabricating a pier column, wherein a vertical main steel bar of the pier column extends out of the bottom of the pier column;
B. after the prefabricated pier stud is transported to a bridge position, hoisting and installing the pier stud, inserting a vertical main steel bar into the sleeve, reserving or temporarily arranging a base grout groove at the top of the pier base in order to make the prefabricated pier stud closely attached to the pier base, and forming a cement mortar base grout layer with proper thickness;
C. and finally, high-strength cement paste is injected into the grouting sleeve to realize firm connection.
9. The construction method according to claim 1, wherein in the step A, the pier seat concrete and the bearing platform concrete are poured simultaneously, or the pier seat concrete is poured after the bearing platform concrete reaches the strength.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010224417.1A CN111501525A (en) | 2020-03-26 | 2020-03-26 | Prefabricated bridge pier column and bearing platform connecting structure with pier base and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010224417.1A CN111501525A (en) | 2020-03-26 | 2020-03-26 | Prefabricated bridge pier column and bearing platform connecting structure with pier base and construction method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111501525A true CN111501525A (en) | 2020-08-07 |
Family
ID=71867156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010224417.1A Pending CN111501525A (en) | 2020-03-26 | 2020-03-26 | Prefabricated bridge pier column and bearing platform connecting structure with pier base and construction method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111501525A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113356012A (en) * | 2021-06-25 | 2021-09-07 | 青海省交通建设管理有限公司 | Assembly type bridge structure in tunnel and construction method thereof |
| CN113373800A (en) * | 2021-06-24 | 2021-09-10 | 上海应用技术大学 | Hollow prefabricated assembled pier adopting grouting sleeve and connecting method thereof |
| CN113668361A (en) * | 2021-06-04 | 2021-11-19 | 武汉理工大学 | Fabricated concrete double-layer gate-type pier structure and construction method |
| CN114000656A (en) * | 2021-11-29 | 2022-02-01 | 同济大学 | Partially unbonded grouting sleeve prefabricated assembly connecting structure and construction method |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10121416A (en) * | 1996-10-21 | 1998-05-12 | Mitsubishi Heavy Ind Ltd | Device for connecting existing footing and steel bridge pier |
| CN103374880A (en) * | 2012-04-24 | 2013-10-30 | 上海市政工程设计研究总院（集团）有限公司 | Prefabricated pier and bearing platform connected structure and butt joint construction method thereof |
| CN205443914U (en) * | 2016-01-06 | 2016-08-10 | 上海应用技术学院 | Adopt shape memory alloy reinforcing bar to have prefabricated pin -connected panel pier of runback potential energy power |
| CN106400678A (en) * | 2016-11-10 | 2017-02-15 | 济南轨道交通集团有限公司 | Prefabricated column, pier column structure and construction method |
| CN107326810A (en) * | 2017-08-03 | 2017-11-07 | 武汉理工大学 | The reserved grout hole connection method of precast assembly bridge pier |
| CN108286221A (en) * | 2018-02-01 | 2018-07-17 | 上海市政工程设计研究总院（集团）有限公司 | A kind of connecting node and its construction method of bridge substructure precast assembly |
| CN207944323U (en) * | 2017-12-27 | 2018-10-09 | 上海市政工程设计研究总院（集团）有限公司 | The horizontal splicing seams of precast assembly pier stud and cushion cap grouting exhaust structure |
| CN108691272A (en) * | 2018-05-28 | 2018-10-23 | 中铁第四勘察设计院集团有限公司 | Combine the sleeve connection structure and its construction method of formed precast concrete floorings |
| CN109457599A (en) * | 2018-11-29 | 2019-03-12 | 福州大学 | Hollow pier and cushion cap splicing construction and construction method |
| CN110396918A (en) * | 2019-07-22 | 2019-11-01 | 长安大学 | A kind of equivalent cast-in-place assembled hollow pier system and its construction method |
-
2020
- 2020-03-26 CN CN202010224417.1A patent/CN111501525A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10121416A (en) * | 1996-10-21 | 1998-05-12 | Mitsubishi Heavy Ind Ltd | Device for connecting existing footing and steel bridge pier |
| CN103374880A (en) * | 2012-04-24 | 2013-10-30 | 上海市政工程设计研究总院（集团）有限公司 | Prefabricated pier and bearing platform connected structure and butt joint construction method thereof |
| CN205443914U (en) * | 2016-01-06 | 2016-08-10 | 上海应用技术学院 | Adopt shape memory alloy reinforcing bar to have prefabricated pin -connected panel pier of runback potential energy power |
| CN106400678A (en) * | 2016-11-10 | 2017-02-15 | 济南轨道交通集团有限公司 | Prefabricated column, pier column structure and construction method |
| CN107326810A (en) * | 2017-08-03 | 2017-11-07 | 武汉理工大学 | The reserved grout hole connection method of precast assembly bridge pier |
| CN207944323U (en) * | 2017-12-27 | 2018-10-09 | 上海市政工程设计研究总院（集团）有限公司 | The horizontal splicing seams of precast assembly pier stud and cushion cap grouting exhaust structure |
| CN108286221A (en) * | 2018-02-01 | 2018-07-17 | 上海市政工程设计研究总院（集团）有限公司 | A kind of connecting node and its construction method of bridge substructure precast assembly |
| CN108691272A (en) * | 2018-05-28 | 2018-10-23 | 中铁第四勘察设计院集团有限公司 | Combine the sleeve connection structure and its construction method of formed precast concrete floorings |
| CN109457599A (en) * | 2018-11-29 | 2019-03-12 | 福州大学 | Hollow pier and cushion cap splicing construction and construction method |
| CN110396918A (en) * | 2019-07-22 | 2019-11-01 | 长安大学 | A kind of equivalent cast-in-place assembled hollow pier system and its construction method |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113668361A (en) * | 2021-06-04 | 2021-11-19 | 武汉理工大学 | Fabricated concrete double-layer gate-type pier structure and construction method |
| CN113373800A (en) * | 2021-06-24 | 2021-09-10 | 上海应用技术大学 | Hollow prefabricated assembled pier adopting grouting sleeve and connecting method thereof |
| CN113356012A (en) * | 2021-06-25 | 2021-09-07 | 青海省交通建设管理有限公司 | Assembly type bridge structure in tunnel and construction method thereof |
| CN114000656A (en) * | 2021-11-29 | 2022-02-01 | 同济大学 | Partially unbonded grouting sleeve prefabricated assembly connecting structure and construction method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11293183B2 (en) | Precast column base joint and construction method therefor | |
| CN111501525A (en) | Prefabricated bridge pier column and bearing platform connecting structure with pier base and construction method thereof | |
| CN101672007B (en) | Constructing method of precast pier footing for bridge | |
| CN111501526A (en) | Socket type connecting structure of prefabricated bridge pier column and bearing platform and construction method | |
| CN203514336U (en) | Embedded foundation of composite wallboard | |
| CN111809510A (en) | Bearing-socket type prefabricated bridge pier connecting structure and construction method thereof | |
| CN114541242B (en) | Anchor ear type concrete connection structure of assembled bridge pier column and pile foundation and construction method | |
| CN102345292B (en) | A kind of composite prestressed uplift pile with enlarged footing | |
| CN212452270U (en) | Bearing-socket type prefabricated bridge pier connecting structure | |
| CN111980050A (en) | Small foundation bearing platform formwork and construction method thereof | |
| CN102747678B (en) | Unequal-height V-shaped bridge pier | |
| CN202194130U (en) | Compound pre-stressed anti-pulling pile with enlarged head | |
| CN205742262U (en) | Concrete prefabricated board pin-connected panel underground structure | |
| CN112227353A (en) | Assembled integral static pressure pile | |
| CN202672025U (en) | Unequal-height V-shaped bridge pier | |
| CN216041287U (en) | Assembled spiral anchor foundation | |
| CN217840354U (en) | Assembled concrete beam column joint with concrete prefabricated rectangular pipe pile as upper column | |
| CN217871021U (en) | Prefabricated concrete beam column node of concrete prefabricated rectangular pipe pile | |
| CN213897088U (en) | PSB finish rolling screw-thread steel prestressed concrete fender pile structure | |
| CN212561123U (en) | Combined embedded connection structure between prefabricated pier stud and base | |
| CN204590336U (en) | A kind of overlapped shear wall based on half prefabricated ultra-tough steel concrete | |
| CN112081596A (en) | Reaction frame structure of shield starting well | |
| CN113293872A (en) | Prefabricated concrete beam column node of concrete prefabricated rectangular pipe pile | |
| CN219710374U (en) | Full precast concrete pile foundation in assembled building | |
| CN114108672B (en) | Tower crane foundation and bottom plate superposed integrated structure and construction method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |