CN205062667U - A can dismantle concrete foundation for bridge construction support - Google Patents
A can dismantle concrete foundation for bridge construction support Download PDFInfo
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- CN205062667U CN205062667U CN201520715130.3U CN201520715130U CN205062667U CN 205062667 U CN205062667 U CN 205062667U CN 201520715130 U CN201520715130 U CN 201520715130U CN 205062667 U CN205062667 U CN 205062667U
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- concrete foundation
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- foundation sections
- bridge construction
- construction support
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Abstract
The utility model discloses a can dismantle concrete foundation for bridge construction support, include: a plurality of concrete foundation save the section, and the connection can be dismantled each other to two one adjacent concrete foundation festival section, and to arbitrary one the 1st concrete foundation festival section wherein, its demountable installation is equipped with the built -in fitting that is used for card to put the support of constructing on ground in the concrete foundation festival section, many to the 2nd concrete foundation festival section, to arbitrary two a pair of concrete foundation festival section wherein, its symmetric distribution is in the both sides of one the 1st concrete foundation festival section to can dismantle the perpendicular festival section in a concrete foundation of connecting, the utility model discloses place adaptability is good, and its basic load -bearing area can be indulged to a certain extent, lateral extension to adapt to the foundation bearing capacity requirement of actual place, but also it is good to have structure atress performance, construction speed is fast, transports, installs, demolishs the convenience, and the engineering less investment can repeat advantages such as recycle, has fine market perspective.
Description
Technical field
The utility model belongs to the concrete foundation field for bridge construction support, is specifically related to a kind of detachable concrete foundation for bridge construction support.
Background technology
At present, in highway or municipal engineering, Medium and small span bridge often adopts that to land steel pipe (few fulcrum) Support Method whole across cast-in-place box beam.When place bearing capacity of foundation soil is bad, for preventing bracket basis generation sedimentation, generally first ground is processed, the cast-in-situ concrete shallow foundation of the large scale of construction is set again, then steel pipe support is set up, or the bearing stratum squeezed into by steel pipe to below ground certain depth, forms pile foundation, and then sets up welded steel pipe support.For across several more bridge engineering, all there is certain drawback in two kinds of modes, one-off construction drops into all more, speed of application is slow, cast in situ concrete foundation cannot reclaim turnover, squeezes into steel pipe pile foundation and drops into comparatively large, especially under the short case beam of having built, clear height is less, and steel pipe pile not easily adopts equipment to pull out.
As above-mentioned, for the bridge engineering that circuit is longer, project scale is large, if adopt the rapid construction of a kind of energy, and the bridge construction support prestressing force assembly concrete that can reuse is basic, low construction will be dropped into, improve efficiency of construction, there is higher society and economic benefit.
Utility model content
An object of the present utility model to provide a kind of detachable concrete foundation for bridge construction support, the utility model place compliance is good, its basic load-bearing area can vertical, horizontal be expanded to a certain extent, to adapt to the bearing capacity of foundation soil requirement of actual place, but also it is good to have structure tension performance, construction
Speed is fast, and conveniently, less engineering investment, can repeat the advantages such as recycling, has good market application foreground for transport, installation, dismounting.
The technical scheme that the utility model provides is:
For a detachable concrete foundation for bridge construction support, comprising:
Multiple first concrete foundation sections, in word order, adjacent two described first concrete foundation sections removably connect each other, for wherein the first concrete foundation sections described in any one, it is detachably arranged on ground, and described first concrete foundation sections is provided with the built-in fitting putting construction bracket for card;
Multipair second concrete foundation sections, for wherein the second concrete foundation sections described in any pair, it is symmetrically distributed in the both sides of a described first concrete foundation sections, and is detachably vertically connected at described first concrete foundation sections.
Preferably, the described detachable concrete foundation for bridge construction support, the face that adjacent two described first concrete foundation sections contact is respectively equipped with multiple the first keyway of cooperatively interacting and the first shear connector tooth, removably connects to realize adjacent two described first concrete foundation sections;
The face that the described first concrete foundation sections be connected to each other and described second concrete foundation sections contact is respectively equipped with multiple the second keyway of cooperatively interacting and the second shear connector tooth, to realize described first concrete foundation sections and described second concrete foundation sections removably connects.
Preferably, the described detachable concrete foundation for bridge construction support, is provided with the first duct for installing transverse prestress pipeline through and linearly each other in multiple described first concrete foundation sections;
The part of often pair of described second concrete foundation sections and therebetween described first concrete foundation sections, is provided with the second duct for installing longitudinal prestressing pipeline through and linearly each other.
Preferably, the described detachable concrete foundation for bridge construction support, also comprises:
Transverse prestress pipeline, it is arranged in described first duct;
Longitudinal prestressing pipeline, it is arranged in described second duct.
Preferably, the described detachable concrete foundation for bridge construction support, described first concrete foundation sections surface is vertically extended in the first cross projection, multiple described first projection word order, described built-in fitting protrudes from described first concrete foundation sections, and pass the center of described first projection, and extend to its surface;
A pair second projections of linearly type are vertically extended on often pair of described second concrete foundation sections surface; A described a pair second projections and described first projection limit is longitudinally linearly, and upper end is concordant.
Preferably, the described detachable concrete foundation for bridge construction support, the longitudinal section of described first concrete foundation sections is convex.
Preferably, the described detachable concrete foundation for bridge construction support, described first concrete foundation sections is detachably arranged on ground by cast-in fixing bolt.
Preferably, the described detachable concrete foundation for bridge construction support, the quantity of described first concrete foundation sections is consistent with the quantity of the second concrete foundation sections described in a pair, and one_to_one corresponding.
The utility model at least comprises following beneficial effect: the utility model place compliance is good, its basic load-bearing area can vertical, horizontal be expanded to a certain extent, to adapt to the bearing capacity of foundation soil requirement of actual place, but also it is good to have structure tension performance, speed of application is fast, transports, installs, removes conveniently, less engineering investment, the advantages such as recycling can be repeated, there is good market application foreground.
The first, place compliance is good: basic load-bearing area can vertical, horizontal be expanded, to adapt to the bearing capacity of foundation soil requirement of actual place to a certain extent.
The second, structure tension performance is good: arrange longitudinal prestressing steel bundle, improve structure anti-bending strength; Sections section arranges some shear connector teeth (keyway), improves coupling face shear behavior; After vertical extending transversely, structure is under the effect of vertical, horizontal prestressing force, and performance is more reliable.
Three, speed of application is fast: adopt modularization, assembling type base, and the on-the-spot basement process without the need to complexity and cast-in-situ concrete operation, without the need to inserted to play steel pipe pile, construction effect is high.
Four, transport, install and remove convenient: basic precast block is assembled, and adopt prestressing without bondn system, monolithic volume is little, lightweight, requires low to lifting, haulage device, is convenient to transport, installs and remove.
Five, can repeatedly reuse: in assembling type base use procedure, each sections, component can not produce damage, can have enough to meet the need utilization.
Six, good economy performance: for the longer bridge engineering of circuit, installs, removes speed soon, repeatedly can reuse, save the duration, overall less investment, have extraordinary economic benefit.
Accompanying drawing explanation
Fig. 1 is the construction schematic diagram of the detachable concrete foundation for bridge construction support described in the utility model;
Fig. 2 is the plane structure schematic diagram of the detachable concrete foundation for bridge construction support described in the utility model;
Fig. 3 is that the A-A section of the detachable concrete foundation for bridge construction support described in the utility model arranges schematic diagram;
Fig. 4 is that the B-B section of the detachable concrete foundation for bridge construction support described in the utility model arranges schematic diagram;
Fig. 5 is the plane structure schematic diagram for the first concrete foundation sections in the detachable concrete foundation of bridge construction support described in the utility model;
Fig. 6 is the plane structure schematic diagram for the second concrete foundation sections in the detachable concrete foundation of bridge construction support described in the utility model;
Fig. 7 is the schematic cross-section for the second concrete foundation sections in the detachable concrete foundation of bridge construction support described in the utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail, can implements according to this with reference to manual word to make those skilled in the art.
As shown in Fig. 1 ~ 7,
For a detachable concrete foundation for bridge construction support, comprising:
Multiple first concrete foundation sections 1, in word order, adjacent two described first concrete foundation sections 1 removably connect each other, for wherein the first concrete foundation sections 1 described in any one, it is detachably arranged on ground, and described first concrete foundation sections is provided with the built-in fitting 111 putting construction bracket for card;
Multipair second concrete foundation sections 2, for wherein the second concrete foundation sections 2 described in any pair, it is symmetrically distributed in the both sides of a described first concrete foundation sections 2, and is detachably vertically connected at described first concrete foundation sections 1.
Multiple first concrete foundation sections 1 is removably connected herein, convenient transport, and the quantity of adjustment first concrete foundation sections 1 conveniently can be carried out according to actual conditions, when bearing capacity of foundation soil is stronger, only multiple first concrete foundation sections 1 need be installed, in word order, if when bearing capacity of foundation soil is poor, can be removably connected in the both sides of each first concrete foundation sections 1 second concrete foundation sections 2 described in a pair, our concrete foundation is made to be cross, reduce the pressure to ground as far as possible, safety is higher, structure tension performance is good, speed of application is fast, transport, install, it is convenient to remove, less engineering investment, and due to the first concrete foundation sections be removably connect according to bottom surface, can repeat to recycle, greatly reduce construction cost.
The described detachable concrete foundation 1 for bridge construction support, the face that adjacent two described first concrete foundation sections 1 contact is respectively equipped with multiple the first keyway of cooperatively interacting and the first shear connector tooth, removably connects to realize adjacent two described first concrete foundation sections 1;
The face that the described first concrete foundation sections 1 be connected to each other and described second concrete foundation sections 2 contact is respectively equipped with multiple the second keyway of cooperatively interacting and the second shear connector tooth 200, to realize described first concrete foundation sections 1 and described second concrete foundation sections 2 removably connects.
First keyway and the first shear connector tooth match and engage, second keyway and the second shear connector tooth match and engage, well connected concrete foundation sections is connected, improve the reliability of mating connection between sections, and the shear resistance in coupling face.
The described detachable concrete foundation for bridge construction support, is provided with the first duct 100 for installing transverse prestress pipeline through and linearly each other in multiple described first concrete foundation sections 1;
The part of often pair of described second concrete foundation sections 2 and therebetween described first concrete foundation sections 1, is provided with the second duct 210 for installing longitudinal prestressing pipeline through and linearly each other.
The first duct for installing horizontal and vertical prestress pipe and the second duct are set respectively, can make, steel strand bundle during on-site consolidation stretch-draw, duct not mud jacking after stretch-draw completes, each concrete foundation sections forms mass-type foundation under prestressing force effect, and bending resistance is highly improved.
The described detachable concrete foundation for bridge construction support, also comprises:
Transverse prestress pipeline, it is arranged in described first duct;
Longitudinal prestressing pipeline, it is arranged in described second duct 210.
The described detachable concrete foundation for bridge construction support, described first concrete foundation sections 1 surface is vertically extended in the first cross projection 110, multiple described first projection 110 word order, described built-in fitting 111 protrudes from described first concrete foundation sections 1, and pass the center of described first projection 110, and extend to its surface, make construction bracket can be placed in the built-in fitting 111 of the first concrete foundation sections by through hole card;
A pair second projections 220 of linearly type are vertically extended on often pair of described second concrete foundation sections 2 surface; Described a pair second projections 220 are linearly with described first projection 110 limit longitudinally, and upper end is concordant.
The described detachable concrete foundation for bridge construction support, the longitudinal section of described first concrete foundation sections 1 is convex, construction bracket can be blocked be placed on the boss of the first concrete foundation sections, good fixing effect, more stable, not easily rock.
The described detachable concrete foundation for bridge construction support, described first concrete foundation sections 1 is detachably arranged on ground by cast-in fixing bolt, the good fixing effect of cast-in fixing bolt, and dismounting is also very convenient.
The described detachable concrete foundation for bridge construction support, the quantity of described first concrete foundation sections 1 is consistent with the quantity of the second concrete foundation sections 2 described in a pair, and one_to_one corresponding, make each first concrete foundation sections correspondence be provided with a pair second concrete foundation sections, each position that ground is contacted with concrete foundation is stressed comparatively even.
Construction method: first carry out the coupling of basic each sections in precast yard prefabricated, mainly comprise: steel bar meter and colligation, prestress pipe is installed and is fixed, suspension column built-in fitting is accurately located and is buried underground, and template is processed and installed, and wherein coupling face in one end adopts the prefabricated adjacent segment completed as side form, other end coupling face adopts the fixed end mould with shear connector tooth (keyway), last concreting, each precast segment completes and after depositing a period of time, transports job site to.
Before installing at the scene, first ground simply to be flattened, compacting, if desired, excavation certain depth foundation trench; Then by each basic sections hoisted in position one by one, after exact matching contraposition completes, artificial steel strand bundle; Then prestressed stretch-draw is carried out, the steel bundle that pretensioning is longitudinally arranged, then the steel bundle in stretch-draw direction extending transversely, and adopt two ends stretching mode, carry out, after stretch-draw completes according to the synchronous symmetry principle of classification, the each merogenesis in basis is connected to form as entirety, and prestressed pore passage is mud jacking not; Last mounting bracket steel pipe post, is reliably connected anchor plate bottom basic cast-in fixing bolt and steel column.
Box girder webs completes and after reaching design strength, steel strand are then moved back anchor by striking, extract steel wire bundle out and store classifiedly, then each sections is transported to next construction location, the above-mentioned installation of repetitive cycling, dismounting step, until complete all concrete box girder constructions.
Although embodiment of the present utility model is open as above, but it is not restricted to listed in manual and embodiment utilization, it can be applied to various applicable field of the present utility model completely, for those skilled in the art, can easily realize other amendment, therefore do not deviating under the universal that claim and equivalency range limit, the utility model is not limited to specific details and illustrates here and the legend described.
Claims (8)
1., for a detachable concrete foundation for bridge construction support, it is characterized in that, comprising:
Multiple first concrete foundation sections, in word order, adjacent two described first concrete foundation sections removably connect each other, for wherein the first concrete foundation sections described in any one, it is detachably arranged on ground, and described first concrete foundation sections is provided with the built-in fitting putting construction bracket for card;
Multipair second concrete foundation sections, for wherein the second concrete foundation sections described in any pair, it is symmetrically distributed in the both sides of a described first concrete foundation sections, and is detachably vertically connected at described first concrete foundation sections.
2., as claimed in claim 1 for the detachable concrete foundation of bridge construction support, it is characterized in that,
The face that adjacent two described first concrete foundation sections contact is respectively equipped with multiple the first keyway of cooperatively interacting and the first shear connector tooth, removably connects to realize adjacent two described first concrete foundation sections;
The face that the described first concrete foundation sections be connected to each other and described second concrete foundation sections contact is respectively equipped with multiple the second keyway of cooperatively interacting and the second shear connector tooth, to realize described first concrete foundation sections and described second concrete foundation sections removably connects.
3., as claimed in claim 1 for the detachable concrete foundation of bridge construction support, it is characterized in that,
The first duct for installing transverse prestress pipeline through and linearly is each other provided with in multiple described first concrete foundation sections;
The part of often pair of described second concrete foundation sections and therebetween described first concrete foundation sections, is provided with the second duct for installing longitudinal prestressing pipeline through and linearly each other.
4., as claimed in claim 3 for the detachable concrete foundation of bridge construction support, it is characterized in that, also comprise:
Transverse prestress pipeline, it is arranged in described first duct;
Longitudinal prestressing pipeline, it is arranged in described second duct.
5., as claimed in claim 1 for the detachable concrete foundation of bridge construction support, it is characterized in that,
Described first concrete foundation sections surface is vertically extended in the first cross projection, multiple described first projection word order, described built-in fitting protrudes from described first concrete foundation sections, and passes the center of described first projection, and extends to its surface;
A pair second projections of linearly type are vertically extended on often pair of described second concrete foundation sections surface; A described a pair second projections and described first projection limit is longitudinally linearly, and upper end is concordant.
6., as claimed in claim 1 for the detachable concrete foundation of bridge construction support, it is characterized in that, the longitudinal section of described first concrete foundation sections is convex.
7., as claimed in claim 1 for the detachable concrete foundation of bridge construction support, it is characterized in that, described first concrete foundation sections is detachably arranged on ground by cast-in fixing bolt.
8., as claimed in claim 1 for the detachable concrete foundation of bridge construction support, it is characterized in that, the quantity of described first concrete foundation sections is consistent with the quantity of the second concrete foundation sections described in a pair, and one_to_one corresponding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520715130.3U CN205062667U (en) | 2015-09-16 | 2015-09-16 | A can dismantle concrete foundation for bridge construction support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520715130.3U CN205062667U (en) | 2015-09-16 | 2015-09-16 | A can dismantle concrete foundation for bridge construction support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205062667U true CN205062667U (en) | 2016-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520715130.3U Expired - Fee Related CN205062667U (en) | 2015-09-16 | 2015-09-16 | A can dismantle concrete foundation for bridge construction support |
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| Country | Link |
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| CN (1) | CN205062667U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107558482A (en) * | 2017-09-28 | 2018-01-09 | 中国建筑第八工程局有限公司 | Assembling frame basis and its construction method |
| CN108547216A (en) * | 2018-06-12 | 2018-09-18 | 北京市市政工程设计研究总院有限公司 | Bridge prefabrication performance of concrete column confined and bridge foundation alligator bell and spigot frame and construction method |
| CN111593675A (en) * | 2020-06-12 | 2020-08-28 | 重庆渝高科技产业(集团)股份有限公司 | Supporting assembly of box girder and construction method of box girder |
-
2015
- 2015-09-16 CN CN201520715130.3U patent/CN205062667U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107558482A (en) * | 2017-09-28 | 2018-01-09 | 中国建筑第八工程局有限公司 | Assembling frame basis and its construction method |
| CN108547216A (en) * | 2018-06-12 | 2018-09-18 | 北京市市政工程设计研究总院有限公司 | Bridge prefabrication performance of concrete column confined and bridge foundation alligator bell and spigot frame and construction method |
| CN108547216B (en) * | 2018-06-12 | 2023-07-11 | 北京市市政工程设计研究总院有限公司 | Bridge precast concrete pier column and bridge foundation tooth key socket structure and construction method |
| CN111593675A (en) * | 2020-06-12 | 2020-08-28 | 重庆渝高科技产业(集团)股份有限公司 | Supporting assembly of box girder and construction method of box girder |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160302 Termination date: 20210916 |
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| CF01 | Termination of patent right due to non-payment of annual fee |