CN208586511U - A kind of soap-free emulsion polymeization post-tensioned prestressing assembled pier connection structure - Google Patents
A kind of soap-free emulsion polymeization post-tensioned prestressing assembled pier connection structure Download PDFInfo
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- CN208586511U CN208586511U CN201821124436.1U CN201821124436U CN208586511U CN 208586511 U CN208586511 U CN 208586511U CN 201821124436 U CN201821124436 U CN 201821124436U CN 208586511 U CN208586511 U CN 208586511U
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Abstract
The utility model discloses a kind of soap-free emulsion polymeization post-tensioned prestressing assembled pier connection structure and its construction methods, including an at least bent cap, at least a cushion cap, at least a pier stud and an at least prestressing force drawing mechanism, the upper end of pier stud, which has, indulges muscle section on several pier studs stretched out, lower end, which has, indulges muscle section under several pier studs stretched out, there are bent cap several bent caps stretched out to indulge muscle section, and there are cushion cap several cushion caps stretched out to indulge muscle section；Cushion cap and bent cap are embedded with grout pipe respectively, it is indulged on several pier studs and indulges muscle section under muscle section, several pier studs, several bent caps indulge muscle section and several cushion caps are indulged muscle Duan Jun and are set in above-mentioned grout pipe, and it is indulged on several pier studs and indulges that muscle section indulges muscle section by the ultra-high performance concrete UHPC that is poured into above-mentioned grout pipe and several bent caps respectively and several cushion caps indulge muscle section and are connected so that an at least bent cap, at least a cushion cap and at least a pier stud shape is integral, above-mentioned pier stud and bent cap pass through the tensioning of prestressing force drawing mechanism to have self-resetting capability under muscle section and several pier studs.
Description
Technical field
The utility model is specifically related to a kind of soap-free emulsion polymeization post-tensioned prestressing assembled pier connection structure.
Background technique
Packaged type bridges have the characteristics that quick, the small and reliable in quality of environment influence of constructing, in the big city of traffic pressure
Bridge and short Oversea bridge of effective construction time are built and are widely applied, including the developed countries such as the U.S., New Zealand and
South east asia and China Taiwan.The application of country's packaged type bridges and research concentrate on superstructure substantially at present, assemble
The research of formula bridge pier is started late, and relatively difficult Offshore Bridges construction of constructing is applied to more, as Donghai Bridge, Hangzhou Gulf Great Bridge and
Bridge spanning the seas such as port Zhuhai and Macao bridge etc. and Urban Bridge Construction, such as Shanghai Shanghai Fujian overpass, good Min overpass and Shenyang Fourth Ring
Overpass etc..
As modern bridge is higher and higher to green, environmental protection and industrial requirement, the bridge of assembled pier bearing will be city
The development trend of city's bridge construction.Meanwhile there is a large amount of grade separations and ring road bridge, the songs of assembled pier bearing in bridge construction
Line beam bridge will be widely applied, especially to environment protection zone, require the city of rapid construction and construction time short Offshore Bridges.
For the Curved Beam Bridge of assembled pier bearing, one side assembled pier globality is relatively weak, lateral stiffness is smaller, multi-purpose at present
Yu Zhong, low intensity in quake zone.On the other hand, damage collapse probability occurs in macroseism for Curved Beam Bridge big.In historical earthquake, greatly
Amount Curved Beam Bridge is destroyed, and bending destruction, bending failure and superstructure including bridge pier are collapsed.
China is in mass transportation construction period, and Curved Beam Bridge is exactly the suitable application area of assembled pier construction technology.
It is therefore proposed that the assembly concrete Pier Design scheme of the energy-dissipating type with landmark, carries out existing connecting structure excellent
Change, preventing assembled pier Curved Beam Bridge collapsing in macroseism is to promote it using an important and crucial project.
Utility model content
The purpose of this utility model is to provide a kind of soap-free emulsion polymeization post-tensioned prestressing assembled pier connection structures.
The technical solution of the utility model is as follows:
A kind of soap-free emulsion polymeization post-tensioned prestressing assembled pier connection structure, including an at least bent cap, an at least cushion cap, at least one
Pier stud and at least a prestressing force drawing mechanism, the upper end of pier stud, which has, indulges muscle section on several pier studs stretched out, lower end, which has, to be stretched out
Several pier studs under indulge muscle section, bent cap have stretch out several bent caps indulge muscle section, cushion cap have stretch out several cushion caps indulge muscle section；
An at least pier stud is located on an at least cushion cap, which is located on an at least pier stud, cushion cap with
Bent cap is embedded with grout pipe respectively, indulges on several pier studs and indulges muscle section under muscle section, several pier studs, several bent caps indulge muscle section and several hold
Platform is indulged muscle Duan Jun and is set in above-mentioned grout pipe, and indulges vertical muscle section under muscle section and several pier studs on several pier studs and pass through perfusion respectively
Ultra-high performance concrete UHPC in above-mentioned grout pipe indulges muscle section with several bent caps and several cushion caps indulge muscle section and are connected so that extremely
Lack a bent cap, at least a cushion cap and at least a pier stud shape is integral, above-mentioned pier stud and bent cap pass through prestressing force drawing mechanism
It draws to have self-resetting capability.
In a preferred embodiment of the utility model, comprising:
An at least bent cap, is inside embedded with bent cap prestress pipe, and there are several bent caps to indulge muscle for lower surface
Section；
An at least cushion cap, is inside embedded with cushion cap prestress pipe, and there are several cushion caps to indulge muscle for upper surface
Section；
An at least pier stud is inside embedded with pier stud prestress pipe, and the upper end, which has, indulges muscle on several pier studs
Section, lower end, which has, indulges muscle section under several pier studs；
An at least prestressing force drawing mechanism, including fixing end anchorage, stretching end anchorage and presstressed reinforcing steel group, prestressing force
The both ends of muscle group are separately connected fixing end anchorage and stretching end anchorage；
The fixing end anchorage is set to the bottom of cushion cap, and stretching end anchorage is set to the top of bent cap, the bent cap prestressing force
Pipeline, cushion cap prestress pipe and pier stud prestress pipe are sequentially communicated, and presstressed reinforcing steel group passes through bent cap prestress pipe, cushion cap
Prestress pipe and pier stud prestress pipe.
In a preferred embodiment of the utility model, it is inverted L-shaped reinforcing bar, the inverted L-shaped steel that the bent cap, which indulges muscle section,
The horizontal segment of muscle is fixed in bent cap by concreting, and the top of vertical section is fixed in bent cap by concreting,
Bent cap is stretched out to be connected with muscle section vertical on the pier stud in lower part.
In a preferred embodiment of the utility model, it is L shape reinforcing bar that the cushion cap, which indulges muscle section, the L shape reinforcing bar
Horizontal segment is fixed in cushion cap by concreting, and the lower part of vertical section is fixed in cushion cap by concreting, top
Cushion cap is stretched out to be connected with muscle section vertical under the pier stud.
In a preferred embodiment of the utility model, muscle section is indulged on the pier stud and lower vertical muscle section is from pier stud
The steel reinforcement cage being made of several reinforcing bars extended.
In a preferred embodiment of the utility model, the grout pipe is grout sleeve or grouting bellows.
The beneficial effects of the utility model are:
1, a kind of soap-free emulsion polymeization post-tensioned prestressing assembled pier connection structure of the utility model has good anti-fall collapsing property
Can, cushion cap, pier stud and bent cap are component, are made in factory, and construction quality and construction precision can be improved, and reduce field operation
Amount, the influence to environment is smaller, and speed of application is fast.
2, the utility model locally uses UHPC material to replace normal concrete, improves crack resistance and durability.
3, the cushion cap of the utility model, pier stud and bent cap are integral by UHPC shape, pass through prestressing force drawing mechanism
Drawing makes bridge pier have certain self-resetting capability, keeps residual deformation after shake small, is conducive to the disaster relief after shake.
Detailed description of the invention
Fig. 1 is the facade organigram of the utility model；
Fig. 2 is the pier stud of the utility model and the attachment structure schematic diagram of cushion cap.
Fig. 3 is the pier stud of the utility model and the attachment structure schematic diagram of bent cap.
Specific embodiment
The technical solution of the utility model is further detailed below by way of specific embodiment combination attached drawing and
Description.
As shown in Figure 1, a kind of soap-free emulsion polymeization post-tensioned prestressing assembled pier connection structure, including a bent cap 1, a cushion cap 2, two
Pier stud 3 and two prestressing force drawing mechanisms 4, bent cap 1, cushion cap 2 and pier stud 3 are component, are made in factory, can improve construction matter
Amount and construction precision reduce field operation amount, and the influence to environment is smaller, and speed of application is fast.
Bent cap 1, is inside embedded with bent cap prestress pipe 10, and lower surface is equipped with several bent caps and indulges muscle section 110；
Cushion cap 2, is inside embedded with cushion cap prestress pipe 20, and upper surface has at least once preformed groove 21, this is lower pre-
It stays and is equipped with the vertical muscle section 210 of several cushion caps in slot 21, the notch of lower preformed groove 21 is handled by dabbing；
Pier stud 3 is inside embedded with pier stud prestress pipe 30, and the upper end, which has, indulges muscle section 31, lower end on several pier studs
With muscle section 32 vertical under several pier studs, it is preferred that indulge muscle section 31 on the pier stud and lower vertical muscle section is to extend from pier stud 3
The steel reinforcement cage being made of several reinforcing bars；
One prestressing force drawing mechanism 4 corresponds to a pier stud 3, including fixing end anchorage 41, stretching end anchorage 42 and presstressed reinforcing steel
Group 43, the both ends of presstressed reinforcing steel group 43 are separately connected fixing end anchorage 41 and stretching end anchorage 42；
Muscle section 31 is indulged on pier stud to be connected by grout pipe 5 (grout sleeve or grouting bellows) with the vertical muscle section 110 of bent cap；Pier
The lower end of column 3 is adapted to the lower preformed groove 21 of cushion cap 2, and muscle section 32 is indulged under pier stud and is connected by grout pipe 5 with the vertical muscle section 210 of cushion cap.
Specifically, indulged on pier stud muscle section 31, indulge muscle section 32 under pier stud, bent cap indulges muscle section 110 and cushion cap indulge muscle section 210 be set in it is above-mentioned
It is indulged in grout pipe 5, and on pier stud and indulges the superelevation by being poured into above-mentioned grout pipe 5 respectively of muscle section 32 under muscle section 31 and pier stud
Energy concrete UHPC indulges muscle section 110 with bent cap and cushion cap indulges muscle section 210 and is connected so that bent cap 1, cushion cap 2 and the formation one of pier stud 3 are whole
Body；The fixing end anchorage 41 of prestressing force drawing mechanism 4 is set to the bottom of cushion cap 2, and stretching end anchorage 42 is set to the top of bent cap 1,
The bent cap prestress pipe 10, cushion cap prestress pipe 20 and pier stud prestress pipe 30 are sequentially communicated, presstressed reinforcing steel group 43
Across bent cap prestress pipe 10, cushion cap prestress pipe 20 and pier stud prestress pipe 30；Bent cap 1, cushion cap 2 and pier stud 3 are logical
The tensioning for crossing prestressing force drawing mechanism 4 makes bridge pier have certain self-resetting capability, keeps residual deformation after shake small, is conducive to shake
The disaster relief afterwards.
As shown in Fig. 2, it is inverted L-shaped reinforcing bar that the bent cap, which indulges muscle section 110, the horizontal segment of the inverted L-shaped reinforcing bar passes through concrete
Pour and be fixed in bent cap 1, the top of vertical section is fixed in bent cap 1 by concreting, lower part stretch out bent cap 1 with institute
Vertical muscle section 31 on pier stud is stated to be connected.
As shown in figure 3, it is L shape reinforcing bar that the cushion cap, which indulges muscle section 210, the horizontal segment of the L shape reinforcing bar passes through concreting
It is fixed in cushion cap 2, the lower part of vertical section is fixed in cushion cap 2 by concreting, and top is located at the lower preformed groove 21
It is interior and stretch out the cushion cap 2 with under the pier stud indulge muscle section 32 be connected.
The construction method of above-mentioned soap-free emulsion polymeization post-tensioned prestressing assembled pier connection structure, includes the following steps:
(1) the production cushion cap 2, bent cap 1 and pier stud 3 are poured respectively, and the preset lower preformed groove 21, bent cap indulge muscle section
110, cushion cap indulges muscle section 210, indulges on pier stud and indulge muscle section 32 under muscle section 31 and pier stud, and pre-buried in cushion cap 2, bent cap 1 and pier stud 3
Cushion cap prestress pipe 20, bent cap prestress pipe 10 and the pier stud prestress pipe 30 interconnected after assembly；
(2) the vertical muscle section 110 of the bent cap is connected by the grout pipe 5, cushion cap indulges muscle section 210, indulges muscle section 31 on pier stud
With muscle section 32 vertical under pier stud；
(3) by the way that ultra-high performance concrete (UHPC) is perfused into grout pipe 5, realize that pier stud 3 and cushion cap 2 and bent cap 1 connect
It is integral to connect shape；
(4) the stretching end anchorage 42 is set at the top of bent cap 1, the fixing end anchorage is set in the bottom of cushion cap 2
41, presstressed reinforcing steel group 43 is passed through to cushion cap prestress pipe 20, bent cap prestress pipe 10 and the pier stud prestressing force interconnected
Pipeline 30；
(5) tensioning is carried out to presstressed reinforcing steel group 43 at stretching end anchorage 42 with tensioning equipment, has bent cap 1 and pier stud 3
Each self-resetting capability.
The above, the only preferred embodiment of the utility model, therefore, it cannot be limited according to, and the utility model is implemented
Range, i.e., equivalent changes and modifications made according to the scope of the patent of the utility model and the content of the manual should still belong to practical
It is novel cover in the range of.
Claims (6)
1. a kind of soap-free emulsion polymeization post-tensioned prestressing assembled pier connection structure, it is characterised in that: held including an at least bent cap, at least one
Platform, at least a pier stud and at least a prestressing force drawing mechanism, the upper end of pier stud, which has, indulges muscle section, lower end on several pier studs stretched out
There are several bent caps stretched out to indulge muscle section for vertical muscle section under several pier studs with stretching, bent cap, and there are cushion cap the several of stretching to hold
Platform indulges muscle section；
An at least pier stud is located on an at least cushion cap, which is located on an at least pier stud, cushion cap and bent cap
It is embedded with grout pipe respectively, is indulged on several pier studs and indulges muscle section under muscle section, several pier studs, several bent caps indulge muscle section and several cushion caps are vertical
Muscle Duan Jun is set in above-mentioned grout pipe, and indulged on several pier studs indulged under muscle section and several pier studs muscle section respectively by being poured on
The ultra-high performance concrete UHPC stated in grout pipe is connected with the vertical muscle section of several bent caps and the vertical muscle section of several cushion caps so that at least one
Bent cap, at least a cushion cap and at least a pier stud shape is integral, above-mentioned pier stud and bent cap by the tensioning of prestressing force drawing mechanism with
Has self-resetting capability.
2. a kind of soap-free emulsion polymeization post-tensioned prestressing assembled pier connection structure as described in claim 1, it is characterised in that: include:
An at least bent cap, is inside embedded with bent cap prestress pipe, and there are several bent caps to indulge muscle section for lower surface；
An at least cushion cap, is inside embedded with cushion cap prestress pipe, and there are several cushion caps to indulge muscle section for upper surface；
An at least pier stud is inside embedded with pier stud prestress pipe, and the upper end, which has, indulges muscle section on several pier studs,
Lower end, which has, indulges muscle section under several pier studs；
An at least prestressing force drawing mechanism, including fixing end anchorage, stretching end anchorage and presstressed reinforcing steel group, presstressed reinforcing steel group
Both ends be separately connected fixing end anchorage and stretching end anchorage；
The fixing end anchorage be set to cushion cap bottom, stretching end anchorage be set to bent cap top, the bent cap prestress pipe,
Cushion cap prestress pipe and pier stud prestress pipe are sequentially communicated, and presstressed reinforcing steel group passes through bent cap prestress pipe, cushion cap is answered in advance
Hydraulic piping and pier stud prestress pipe.
3. a kind of soap-free emulsion polymeization post-tensioned prestressing assembled pier connection structure as described in claim 1, it is characterised in that: the lid
It is inverted L-shaped reinforcing bar that beam, which indulges muscle section, and the horizontal segment of the inverted L-shaped reinforcing bar is fixed in bent cap by concreting, vertical section it is upper
Portion is fixed in bent cap by concreting, and bent cap is stretched out to be connected with muscle section vertical on the pier stud in lower part.
4. a kind of soap-free emulsion polymeization post-tensioned prestressing assembled pier connection structure as described in claim 1, it is characterised in that: described to hold
It is L shape reinforcing bar that platform, which indulges muscle section, and the horizontal segment of the L shape reinforcing bar is fixed in cushion cap by concreting, and the lower part of vertical section is logical
It crosses concreting to be fixed in cushion cap, cushion cap is stretched out to be connected with muscle section vertical under the pier stud in top.
5. a kind of soap-free emulsion polymeization post-tensioned prestressing assembled pier connection structure as described in claim 1, it is characterised in that: the pier
Muscle section is indulged on column and lower vertical muscle section is the steel reinforcement cage being made of several reinforcing bars extended from pier stud.
6. a kind of soap-free emulsion polymeization post-tensioned prestressing assembled pier connection structure as described in claim 1, it is characterised in that: the filling
Slurry pipe is grout sleeve or grouting bellows.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821124436.1U CN208586511U (en) | 2018-07-16 | 2018-07-16 | A kind of soap-free emulsion polymeization post-tensioned prestressing assembled pier connection structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821124436.1U CN208586511U (en) | 2018-07-16 | 2018-07-16 | A kind of soap-free emulsion polymeization post-tensioned prestressing assembled pier connection structure |
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| CN208586511U true CN208586511U (en) | 2019-03-08 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110331656A (en) * | 2018-07-16 | 2019-10-15 | 健研检测集团有限公司 | A kind of soap-free emulsion polymeization post-tensioned prestressing assembled pier connection structure and its construction method |
| CN111021237A (en) * | 2020-01-23 | 2020-04-17 | 福州大学 | Prefabricated assembled solid single-column pier based on root-enlarged section and construction method thereof |
| CN112359709A (en) * | 2020-11-20 | 2021-02-12 | 北方工业大学 | Steel pipe concrete pier stud and bent cap assembled node |
-
2018
- 2018-07-16 CN CN201821124436.1U patent/CN208586511U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110331656A (en) * | 2018-07-16 | 2019-10-15 | 健研检测集团有限公司 | A kind of soap-free emulsion polymeization post-tensioned prestressing assembled pier connection structure and its construction method |
| CN111021237A (en) * | 2020-01-23 | 2020-04-17 | 福州大学 | Prefabricated assembled solid single-column pier based on root-enlarged section and construction method thereof |
| CN112359709A (en) * | 2020-11-20 | 2021-02-12 | 北方工业大学 | Steel pipe concrete pier stud and bent cap assembled node |
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