CN102493332A - Column cable-stayed precast assembled column bearing platform structure and assembling and positioning process thereof - Google Patents
Column cable-stayed precast assembled column bearing platform structure and assembling and positioning process thereof Download PDFInfo
- Publication number
- CN102493332A CN102493332A CN2011103889288A CN201110388928A CN102493332A CN 102493332 A CN102493332 A CN 102493332A CN 2011103889288 A CN2011103889288 A CN 2011103889288A CN 201110388928 A CN201110388928 A CN 201110388928A CN 102493332 A CN102493332 A CN 102493332A
- Authority
- CN
- China
- Prior art keywords
- column
- prefabricated stand
- stand column
- positioning
- column sections
- 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
Landscapes
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a column cable-stayed precast assembled column bearing platform structure. The structure comprises a column and a bearing platform, wherein the column is formed by assembling a plurality of precast column segments; each precast column segment is provided with a positioning through hole; the positioning through hole in the first precast column segment fixedly connected with the bearing platform is obliquely arranged and penetrates through the top surface and side of the first precast column segment; and prestressed parts penetrate through the positioning through holes in the precast column segments and serve as positioning parts. The invention also discloses an assembling and positioning process of the column cable-stayed precast assembled column bearing platform structure. The structure and the process have the following beneficial effects: the above structural design and process arrangement are adopted, the prestressed parts serve as positioning parts and the positioning through holes are reserved in the precast column segments, thus conveniently realizing accurate positioning between the first precast column segment and the bearing platform as well as between the precast column segments through sleeve fit of the positioning parts and the positioning through holes.
Description
Technical field
The present invention relates to the construction of road and bridge technical field, relate in particular to a kind of column and tiltedly open formula precast assembly column suspended deck structure.The invention still further relates to column and tiltedly open the assembly unit positioning process of formula precast assembly column suspended deck structure.
Background technology
Pin-connected panel column (or bridge pier) invention is compared with the cast in situs construction technology or the integral prefabricated construction technology of maturation for a long time, but it has that scale is prefabricated, transportation and easy for installation, advantage such as the construction period is short.But for a long time, the practical application of assembly pier is very limited, and one of its obstacle is the complicacy and the high-tech requirement of assembling construction process.
As shown in Figure 1; CN85202839 discloses a kind of " pin-connected panel precast member for reinforcing bar concrete ", is rectangle hollow thin-wall reinforced concrete structure, is provided with the circular hole that passes reinforcing bar around this member; The cross section interior corners becomes splayed, and four jiaos of said member are provided with fin.Be furnished with the hole of wearing reinforcing bar around the member, available steel fuse it, apply prestressing force, constitute bridge pier.This member is provided with fin for four jiaos, thereby has increased the bridge pier flexural strength, reduces the site operation amount to greatest extent, and accelerating construction progress helps realizing design standardization, makes the member batch production, site assembly mechanization.
The document only discloses the structure of prefabricated component, but does not show the annexation between prefabricated component and the cushion cap clearly.Need between each member to locate afterwards earlier to install though this article has also been mentioned, do not introduce how to realize the location in the assembling construction between each parts in detail.
As shown in Figure 2; CN101413250 discloses a kind of " the tenon head type method of attachment of bridge spanning the sea precast pier and cushion cap ", and concrete steps are: 1) prefabricated pier shaft 3 in the precasting yard by land, and be dragged to the scene with transport barge; 2) pour into a mould cushion cap 4 and cushion cap tenon concrete simultaneously; 3) lay pier pin weather strip 5 in prefabricated pier shaft 3 lower ends with the place, slit that is connected of cushion cap 4, utilize marine crane barge that prefabricated pier shaft 3 is lifted on the cushion cap, and accomplish the location; 4) pier shaft 3 and cushion cap tenon be connected the cast-in-place seam concrete 2 of place, slit cast, accomplish being connected of prefabricated pier shaft 3 and cushion cap 4.The method of attachment of this bridge pier and cushion cap has improved the stress of connecting portion, has mainly solved the shearing slip problem in traditional connection, has improved the durability of joint ability.
Though the document discloses a kind of special annexation between bridge pier and the cushion cap; Also mentioned between pier shaft and the cushion cap, all needed between each prefabricated pier shaft to locate afterwards earlier and install; But do not introduce the location technology in the assembling construction in detail, and mention that the bridge pier positioning difficulty is very big.
Because the design specifications of column (bridge pier) increases day by day; The deadweight of the concrete structure of similar aforementioned prefabricated units or pier shaft is approximately all at tens tons even ton up to a hundred in the actual engineering; Therefore in assembling construction, how to let these are bulky, deadweight is huge structural member accurate location each other, be that those skilled in the art hopes the technical problem that solves always.
Summary of the invention
Because the above-mentioned defective of prior art, technical problem to be solved by this invention provides a kind of column that is easy to the assembly unit location and tiltedly opens formula precast assembly column suspended deck structure.
For realizing above-mentioned technical purpose, the invention provides a kind of column and tiltedly open formula precast assembly column suspended deck structure, comprise column and cushion cap; Said column is made up of some prefabricated stand column section assemblings; Be provided with positioning through hole in each said prefabricated stand column sections; The said positioning through hole that the head that is fixedly connected with said cushion cap saves in the prefabricated stand column sections is obliquely installed, and runs through the end face and the side of said first joint prefabricated stand column sections; Run through being provided with the prestressing force parts in the positioning through hole of each said prefabricated stand column sections, the double keeper of doing of said prestressing force parts.
Preferably, said first joint prefabricated stand column sections and said cushion cap formed by integrally casting form.
Preferably, be fixedly connected through mortar or epoxy resin between each said prefabricated stand column sections.
Preferably, be fixedly connected through cast-in-situ concrete between each said prefabricated stand column sections.
Preferably, said prestressing force parts are prestress wire, and said prestress wire is anchored at the side of said first joint prefabricated stand column sections.
Another technical purpose of the present invention provides and a kind ofly locatees facility, column is tiltedly opened the assembly unit positioning process of formula precast assembly column suspended deck structure accurately.
For realizing above-mentioned technical purpose, the invention provides the assembly unit positioning process that a kind of column is tiltedly opened formula precast assembly column suspended deck structure, may further comprise the steps:
Preferably, said first joint prefabricated stand column sections and said cushion cap are that formed by integrally casting forms.
Preferably, after the step 3, step 4 applies prestressing force to said prestressing force parts.
Preferably, after the step 4, step 5 is fixedly connected each said prefabricated stand column sections through mortar or epoxy resin.
Preferably, after the step 4, step 5 is fixedly connected each said prefabricated stand column sections through cast-in-situ concrete.
Beneficial effect of the present invention:
Column of the present invention tiltedly opens formula precast assembly column suspended deck structure and assembly unit positioning process thereof because the arrangement of said structure design and processes; Adopt the double keeper of doing of prestressing force parts; And in each prefabricated stand column sections, reserved positioning through hole; Through sheathed cooperation the between keeper and the positioning through hole, realized between prefabricated stand column sections and the cushion cap expediently, the accurate orientation problem between prefabricated stand column sections and the prefabricated stand column sections, for good condition has been created in follow-up construction.
Below will combine accompanying drawing that the technique effect of design of the present invention, concrete structure and generation is described further, to understand the object of the invention, characteristic and effect fully.
Description of drawings
Fig. 1 is the sectional structure sketch map of a kind of pin-connected panel prefabricated units in the prior art.
Fig. 2 is the structural representation of a kind of precast pier and cushion cap connected mode in the prior art.
Fig. 3 is the structural representation that column of the present invention is tiltedly opened formula precast assembly column suspended deck structure one specific embodiment.
Fig. 4 is the structural representation that column of the present invention is tiltedly opened another specific embodiment of formula precast assembly column suspended deck structure.
The specific embodiment
Embodiment 1:
As shown in Figure 3, column of the present invention is tiltedly opened formula precast assembly column suspended deck structure one specific embodiment, comprises column 1 and cushion cap 2 two large divisions, and both are fixedly connected and constitute the column suspended deck structure.
The positioning through hole 15 that the head that is fixedly connected with cushion cap 2 saves in the prefabricated stand column sections 11 is obliquely installed, and runs through the end face and the side of first joint prefabricated stand column sections 11.
Be equipped with prestressing force parts 3 in the positioning through hole 15.The aperture of positioning through hole 15 is slightly larger than the diameter of prestressing force parts 3.
In the present embodiment, prestressing force parts 3 are prestress wire, are anchored at the side of first joint prefabricated stand column sections 11, and erect towards the direction that deviates from cushion cap 2.
Special character of the present invention is, with the prestressing force parts 3 double keepers of doing, runs through in the positioning through hole 15 that is arranged on each prefabricated stand column sections 11,12,13.
In the present embodiment, preferably, between cushion cap 2 and the prefabricated stand column sections 11, prefabricated stand column sections 11,12, between 13, reserve about 1 centimetre height, be fixedly connected through stem graftings such as mortar or epoxy resin seam.
Certainly, also need reinforcing bar to connect between above-mentioned each parts, this is that prior art is total, and this paper repeats no more.
Column of the present invention is tiltedly opened formula precast assembly column suspended deck structure; Utilize the positioning through hole on the prefabricated stand column sections to cooperate with the prestressing force parts of double as keeper; Solve prior art well for the accurate orientation problem in the lifting construction that solves, also had beneficial effects such as stressed good reliability, short construction period.
Column described in the present invention is being also referred to as " bridge pier ", " pier shaft " etc. in the art.Column suspended deck structure of the present invention can be applicable in the object of construction production such as bridge, elevated road.
Embodiment 2:
Be illustrated in figure 4 as another embodiment of the present invention, the structure of present embodiment and the foregoing description is basic identical, and institute's difference is that in the present embodiment, formed by integrally casting forms between cushion cap 2 and the first joint prefabricated stand column sections 11.
Embodiment 3:
Column of the present invention is tiltedly opened the assembly unit positioning process of formula precast assembly column suspended deck structure; Be used for tiltedly opening the installation process of formula precast assembly column suspended deck structure at above-mentioned column; Realize between prefabricated stand column sections and the cushion cap, prefabricated stand column sections accurate location each other, may further comprise the steps:
In the lifting construction process, must guarantee that prestressing force parts 3 are located in the positioning through hole 15 of all prefabricated stand column sections 11,12,13.
After assembly unit was accurately located, step 4 applied prestressing force to prestressing force parts 3, and reaches designing requirement.
Afterwards, can also pass through stem graftings such as mortar or epoxy resin and stitch modes, be fixedly connected first joint prefabricated stand column sections 11 and cushion cap 2, reach each prefabricated stand column sections 11,12,13.
In other are implemented, also can be fixedly connected each prefabricated stand column sections through cast-in-situ concrete.
As a kind of replacement, in other embodiments of the invention, also can adopt structure as shown in Figure 4, head is saved prefabricated stand column sections 11 form with cushion cap 2 formed by integrally casting.
Column of the present invention is tiltedly opened the assembly unit positioning process of formula precast assembly column suspended deck structure; Utilize the positioning through hole on the prefabricated stand column sections to cooperate with the prestressing force parts of double as keeper; Solve prior art well for the accurate orientation problem in the lifting construction that solves, also had beneficial effects such as stressed good reliability, short construction period.
More than describe preferred embodiment of the present invention in detail.Should be appreciated that those of ordinary skill in the art need not creative work and just can design according to the present invention make many modifications and variation.Therefore, all technician in the art all should be in the determined protection domain by claims under this invention's idea on the basis of existing technology through the available technical scheme of logical analysis, reasoning, or a limited experiment.
Claims (10)
1. a column is tiltedly opened formula precast assembly column suspended deck structure, comprises column and cushion cap; It is characterized in that: said column is made up of some prefabricated stand column section assemblings; Be provided with positioning through hole in each said prefabricated stand column sections; The said positioning through hole that the head that is fixedly connected with said cushion cap saves in the prefabricated stand column sections is obliquely installed, and runs through the end face and the side of said first joint prefabricated stand column sections; Run through being provided with the prestressing force parts in the positioning through hole of each said prefabricated stand column sections, the double keeper of doing of said prestressing force parts.
2. column as claimed in claim 1 is tiltedly opened formula precast assembly column suspended deck structure, it is characterized in that: said first joint prefabricated stand column sections and said cushion cap formed by integrally casting form.
3. column as claimed in claim 1 is tiltedly opened formula precast assembly column suspended deck structure, it is characterized in that: be fixedly connected through mortar or epoxy resin between each said prefabricated stand column sections.
4. column as claimed in claim 1 is tiltedly opened formula precast assembly column suspended deck structure, it is characterized in that: be fixedly connected through cast-in-situ concrete between each said prefabricated stand column sections.
5. tiltedly open formula precast assembly column suspended deck structure like the arbitrary described column of claim 1 to 4, it is characterized in that: said prestressing force parts are prestress wire, and said prestress wire is anchored at the side of said first joint prefabricated stand column sections.
6. the described column of above-mentioned arbitrary claim is tiltedly opened the assembly unit positioning process of formula precast assembly column suspended deck structure, may further comprise the steps:
Step 1, the first joint of lifting prefabricated stand column sections and fixed connection on cushion cap; The medium dip of said first joint prefabricated stand column sections is provided with positioning through hole;
Step 2 wears the prestressing force parts in the positioning through hole of said first joint prefabricated stand column sections; Wherein, said prestressing force parts are anchored at the side of said first joint prefabricated stand column sections;
Step 3 adds other prefabricated stand column sections to satisfy the column design requirement in the folding of hanging oneself of said first joint prefabricated stand column sections; Wherein, said prestressing force parts are located in the positioning through hole of all prefabricated stand column sections.
7. assembly unit positioning process as claimed in claim 6, wherein, said first joint prefabricated stand column sections and said cushion cap are that formed by integrally casting forms.
8. like claim 6 or 7 described assembly unit positioning process, wherein, after the step 3, step 4 applies prestressing force to said prestressing force parts.
9. assembly unit positioning process as claimed in claim 8, wherein, after the step 4, step 5 is fixedly connected each said prefabricated stand column sections through mortar or epoxy resin.
10. assembly unit positioning process as claimed in claim 8, wherein, after the step 4, step 5 is fixedly connected each said prefabricated stand column sections through cast-in-situ concrete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103889288A CN102493332A (en) | 2011-11-30 | 2011-11-30 | Column cable-stayed precast assembled column bearing platform structure and assembling and positioning process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103889288A CN102493332A (en) | 2011-11-30 | 2011-11-30 | Column cable-stayed precast assembled column bearing platform structure and assembling and positioning process thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102493332A true CN102493332A (en) | 2012-06-13 |
Family
ID=46185188
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011103889288A Pending CN102493332A (en) | 2011-11-30 | 2011-11-30 | Column cable-stayed precast assembled column bearing platform structure and assembling and positioning process thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102493332A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108179696A (en) * | 2018-01-31 | 2018-06-19 | 中交第二航务工程勘察设计院有限公司 | A kind of post-tensioned prestressing precast hollow formula bridge pier rod structure and construction method |
| CN111827091A (en) * | 2020-06-29 | 2020-10-27 | 中国国家铁路集团有限公司 | Prefabricated assembled hollow pier connected through prestress and construction method |
| CN113202016A (en) * | 2020-03-14 | 2021-08-03 | 中国铁路设计集团有限公司 | Prefabricated assembled hollow pier suitable for high-earthquake area and construction method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0053081A2 (en) * | 1980-11-25 | 1982-06-02 | Bouygues | Method and apparatus for erecting a cantilevered section of a structure, particularly of a bridge deck, using precast segments, by means of a cable-stayed girder |
| JPH1060817A (en) * | 1996-08-26 | 1998-03-03 | P S Co Ltd | Constructing method of annexing structure |
| JPH1129910A (en) * | 1997-07-09 | 1999-02-02 | Fujita Corp | Method for constructing concrete pier |
| CN101831875A (en) * | 2010-06-09 | 2010-09-15 | 中交第一公路勘察设计研究院有限公司 | Precast assembly process of prestressed concrete cylindrical hollow pier |
| CN201943013U (en) * | 2011-03-25 | 2011-08-24 | 中铁六局集团有限公司 | Tensioning device for buckle cables and anchor cables |
| CN202430626U (en) * | 2011-11-30 | 2012-09-12 | 上海市城市建设设计研究总院 | Upright column cable-stayed type prefabricated assembly upright column bearing platform structure |
-
2011
- 2011-11-30 CN CN2011103889288A patent/CN102493332A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0053081A2 (en) * | 1980-11-25 | 1982-06-02 | Bouygues | Method and apparatus for erecting a cantilevered section of a structure, particularly of a bridge deck, using precast segments, by means of a cable-stayed girder |
| JPH1060817A (en) * | 1996-08-26 | 1998-03-03 | P S Co Ltd | Constructing method of annexing structure |
| JPH1129910A (en) * | 1997-07-09 | 1999-02-02 | Fujita Corp | Method for constructing concrete pier |
| CN101831875A (en) * | 2010-06-09 | 2010-09-15 | 中交第一公路勘察设计研究院有限公司 | Precast assembly process of prestressed concrete cylindrical hollow pier |
| CN201943013U (en) * | 2011-03-25 | 2011-08-24 | 中铁六局集团有限公司 | Tensioning device for buckle cables and anchor cables |
| CN202430626U (en) * | 2011-11-30 | 2012-09-12 | 上海市城市建设设计研究总院 | Upright column cable-stayed type prefabricated assembly upright column bearing platform structure |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108179696A (en) * | 2018-01-31 | 2018-06-19 | 中交第二航务工程勘察设计院有限公司 | A kind of post-tensioned prestressing precast hollow formula bridge pier rod structure and construction method |
| CN113202016A (en) * | 2020-03-14 | 2021-08-03 | 中国铁路设计集团有限公司 | Prefabricated assembled hollow pier suitable for high-earthquake area and construction method |
| CN111827091A (en) * | 2020-06-29 | 2020-10-27 | 中国国家铁路集团有限公司 | Prefabricated assembled hollow pier connected through prestress and construction method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203284728U (en) | Prefabricated fast-assembly stand column and bearing platform structure | |
| CN102363946A (en) | Prefabricated upright post and bearing platform assembled structure and assembling and positioning process thereof | |
| CN108239915B (en) | Prefabricating and mounting method for ultrahigh-performance concrete deck box-shaped arch bridge segment | |
| CN101575840B (en) | Steel-concrete combined continuous rigid frame bridge construction method for cantilever jointing steel box section | |
| CN110409304B (en) | Cantilever assembling construction method for segment prefabricated bent cap | |
| CN109610314B (en) | Prefabricated bridge deck wet joint structure and assembling method | |
| CN103938533B (en) | The construction method of Simply supported non-uniform structure | |
| CN204185755U (en) | A kind of Wavelike steel webplate post-stressed concrete T beam | |
| CN202323685U (en) | Precast assembling upright post supporting platform structure | |
| CN108867310A (en) | The short rib T beam bridge of pretensioning prestressed concrete and its construction method | |
| CN109505222B (en) | Assembled netted jib tied arch bridge | |
| CN102767141A (en) | Construction method for huge capping beam utilizing reinforced concrete thin wall as permanent formwork | |
| CN101413250B (en) | Rabbet type connecting method of cross-sea bridge prefabricated bridge pier and platform | |
| CN102409608A (en) | Prefabricated assembling structure of concrete upright post bearing platform as well as assembling and positioning process of prefabricated assembling structure | |
| CN110747805A (en) | Prefabricated high-pile wharf node structure and construction method | |
| CN102493332A (en) | Column cable-stayed precast assembled column bearing platform structure and assembling and positioning process thereof | |
| CN109457590A (en) | A kind of no templating assembled Wavelike steel webplate steel-mixes composite beam bridge and construction method | |
| CN114592436A (en) | Pier capping beam lower support system and construction method thereof | |
| CN202369915U (en) | U-shaped pipe type prefabricated and assembled column supporting table structure | |
| CN202347393U (en) | Precast assembled concrete upright post and pile cap structure | |
| CN202430626U (en) | Upright column cable-stayed type prefabricated assembly upright column bearing platform structure | |
| CN108316164B (en) | Structure for reinforcing old assembled hollow slab girder bridge by using new girder and construction method | |
| CN102493333A (en) | U-shaped tubular prefabrication and assembling column-bearing platform structure and assembling and positioning technology thereof | |
| CN112391933A (en) | Hybrid beam box girder bridge longitudinally spliced by shear keys and construction method | |
| CN202323684U (en) | Bearing platform inclined type prefabricated assembly column bearing platform structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20120613 |