CN105603880A - Assembly method of segmental box beam with reserved pressure grouting hole - Google Patents
Assembly method of segmental box beam with reserved pressure grouting hole Download PDFInfo
- Publication number
- CN105603880A CN105603880A CN201610047958.5A CN201610047958A CN105603880A CN 105603880 A CN105603880 A CN 105603880A CN 201610047958 A CN201610047958 A CN 201610047958A CN 105603880 A CN105603880 A CN 105603880A
- Authority
- CN
- China
- Prior art keywords
- section box
- box girder
- assembled
- reserved
- mud jacking
- 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
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Classifications
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2/00—Bridges characterised by the cross-section of their bearing spanning structure
- E01D2/04—Bridges characterised by the cross-section of their bearing spanning structure of the box-girder type
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses and provides an assembly method of a segmental box beam with a reserved pressure grouting hole. Through reserving the pressure grouting hole before the assembly of the segmental box beam, the pressure grouting procedure, which is more in labile factors, of the segmental box beam which is first subjected to the assembly in front can be carried out synchronously when the segmental box beam is subjected to the assembly at back; the purposes of shortening a construction period and improving construction progress are achieved.
Description
Technical field
The present invention relates to Offshore Bridges technical field of construction, refer to particularly the joint in a kind of reserved mud jacking holeSection box girder assembling method.
Background technology
In science of bridge building, segment installation operation is in the past all bottom feeding beam → lifting → first rightPosition (absolute altitude adjustment) → remove → is coated with epoxy resin → smart contraposition → interim prestressed stretch-draw → foreverCantilever prestressed strand stretch-draw → prestressed strand sealing off and covering anchorage mud jacking → repetition above-mentioned steps until in acrossLast is complete to box girder assembling for T structure. Be " 200810043795.9 ", proprietary term in the patent No.The Chinese patent that is called " a kind of assembling method of section box girder " discloses this kind of erection method,After all segment installations, carry out again sealing off and covering anchorage mud jacking operation, due to normal tensioning anchor sealMud jacking operation is consuming time more, and various destabilizing factors are more, and particularly mud jacking operation easily occursVarious emergency situations, land construction also may affect construction speed, can quilt while at sea constructionMarine particular surroundings affects, and for example, the assembled common need of section box girder utilize morning and evening tides operation, is pressingSlurry process fails to carry out in time the assembled industry of pretending of section box girder during possibly because of tidal level, impactConstruction speed.
Summary of the invention
Object of the present invention is exactly the deficiency that will solve above-mentioned background technology, provides one that construction is providedThe section box girder assembling method in the reserved mud jacking hole of progress.
Technical scheme of the present invention is: the section box girder assembling method in a kind of reserved mud jacking hole, its spyLevy and be, comprise the following steps:
1) when section box girder to be assembled is prefabricated, reserved pressure of non-Mosaic face of section box girder to be assembledSlurry hole;
2) transport section box girder to be assembled to job site;
3) lifting just each section box girder of location successively, reserved daub between adjacent segment case beamSpace;
4) examination of adjacent segment case beam separates after spelling;
5) complete successively from front to back the assembled of section box girder;
6) in the time of the section box girder of assembled rear, utilize reserved mud jacking hole, synchronous construction front is assembledThe mud jacking operation of the section box girder completing;
7), after assembled, the mud jacking of all section box girders completes, carry out the wet seam coagulation of section box girderSoil is built.
Further, described section box girder assembled comprise the Mosaic face carrying out successively smear epoxy agent,Accurately location, the interim prestressing force of stretch-draw and permanent each operation of prestressed strand stretch-draw.
A kind of reserved mud jacking hole section box girder assembling method providing of the present invention, by sections caseJust reserved mud jacking hole before beam is assembled, assembled section box girder is first carried out in front, and its destabilizing factor isMany mud jacking operations are synchronously carried out when assembled section box girder in the wings, reach and reduce construction weekPhase, the object of raising construction speed.
Brief description of the drawings
Fig. 1 is schematic flow sheet of the present invention.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
With reference to figure 1, the section box girder assembling method in a kind of reserved mud jacking hole of the present embodiment, mainComprise assembled operation and the mud jacking operation of section box girder, wherein assembled operation comprises that Mosaic face smears epoxyThe working procedures such as agent, accurate location, the interim prestressing force of stretch-draw and permanent prestressed strand stretch-draw.
The section box girder assembling method in a kind of reserved mud jacking hole of the present embodiment, comprises the following steps:
1) when section box girder to be assembled is prefabricated in the factory, in the reserved mud jacking of section box girder to be assembled hole,Because section box girder need carry out end face splicing, therefore, mud jacking hole can only be reserved in assembled section box girderNon-Mosaic face;
2) transport section box girder to be assembled to job site, and on section box girder, be numbered 1,2……；
3) lifting just each section box girder of location, reserved daub space between adjacent segment case beam;
4) examination of adjacent segment case beam separates after spelling;
5) smear epoxy agent at the Mosaic face that is numbered 1 and 2 section box girder, be numbered 1 and 2Section box girder accurately behind location, carry out the interim prestressing force of stretch-draw and permanent prestressed strand stretch-draw, completeBecome to be numbered 1 and 2 section box girder assembled; According to above-mentioned steps, complete and be numbered 2 and 3Section box girder assembled;
6) in the time that the section box girder that is numbered 2 and 3 is assembled, utilize reserved mud jacking hole, synchronously executeWork is to complete the mud jacking operation of the assembled section box girder that is numbered 1 and 2;
7) according to step 6) shown in construction method, complete residue section box girder assembled and pressSlurry process;
8), after assembled, the mud jacking of all section box girders completes, carry out the wet seam coagulation of section box girderSoil is built, and has completed the assembling construction of a bridge beam.
Adopt above-mentioned construction method, assembled section box girder is first carried out in front, and its destabilizing factorMany mud jacking operations are synchronously carried out when assembled section box girder in the wings, reach and reduce construction weekPhase, the object of raising construction speed.
It should be noted that, the mud jacking operation of assembled section box girder is first carried out in front, might notTo be adjacent section box girder to carry out when assembled, also can be to have certain intervals section box girder assembledShi Jinhang, these just need to be according to actual conditions, select to carry out suitable opportunity the pressure of front section box girderSlurry process.
The above, be only preferred embodiment of the present invention, not structure of the present invention doneAny pro forma restriction. What every foundation technical spirit of the present invention was done above embodiment appointsWhat simple modification, equivalent variations and modification, all still belong in the scope of technical scheme of the present invention.
Claims (2)
1. the section box girder assembling method in reserved mud jacking hole, is characterized in that, comprises followingStep:
1) when section box girder to be assembled is prefabricated, reserved pressure of non-Mosaic face of section box girder to be assembledSlurry hole;
2) transport section box girder to be assembled to job site;
3) lifting just each section box girder of location successively, reserved daub between adjacent segment case beamSpace;
4) examination of adjacent segment case beam separates after spelling;
5) complete successively from front to back the assembled of section box girder;
6) in the time of the section box girder of assembled rear, utilize reserved mud jacking hole, synchronous construction front is assembledThe mud jacking operation of the section box girder completing;
7), after assembled, the mud jacking of all section box girders completes, carry out the wet seam coagulation of section box girderSoil is built.
2. the section box girder assembling method in a kind of reserved mud jacking according to claim 1 hole,It is characterized in that: described section box girder assembled comprises that the Mosaic face carrying out successively smears epoxy agent, essenceDetermine position, the interim prestressing force of stretch-draw and permanent each operation of prestressed strand stretch-draw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610047958.5A CN105603880A (en) | 2016-01-25 | 2016-01-25 | Assembly method of segmental box beam with reserved pressure grouting hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610047958.5A CN105603880A (en) | 2016-01-25 | 2016-01-25 | Assembly method of segmental box beam with reserved pressure grouting hole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105603880A true CN105603880A (en) | 2016-05-25 |
Family
ID=55984190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610047958.5A Pending CN105603880A (en) | 2016-01-25 | 2016-01-25 | Assembly method of segmental box beam with reserved pressure grouting hole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105603880A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106149541A (en) * | 2016-05-30 | 2016-11-23 | 中国冶集团有限公司 | The prefabricated box bridge of a kind of prestressed stretch-draw and construction method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1485498A (en) * | 2002-09-26 | 2004-03-31 | 上海市隧道工程轨道交通设计研究院 | Construction method for longitudinally assembling prefabricated subsection of channel beam |
| JP2008274586A (en) * | 2007-04-26 | 2008-11-13 | Kajima Corp | Pillar head construction method |
| CN101476291A (en) * | 2009-01-21 | 2009-07-08 | 中铁一局集团有限公司 | Segment-assembling simply supported box girder movable falsework construction method |
| CN101684638A (en) * | 2008-09-23 | 2010-03-31 | 中交第三航务工程局有限公司 | Assembly method of section box girder |
| CN104594200A (en) * | 2014-12-15 | 2015-05-06 | 中铁建大桥工程局集团第五工程有限公司 | Bridge simply supported beam segment assembling construction method for frigid plateau region |
-
2016
- 2016-01-25 CN CN201610047958.5A patent/CN105603880A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1485498A (en) * | 2002-09-26 | 2004-03-31 | 上海市隧道工程轨道交通设计研究院 | Construction method for longitudinally assembling prefabricated subsection of channel beam |
| JP2008274586A (en) * | 2007-04-26 | 2008-11-13 | Kajima Corp | Pillar head construction method |
| CN101684638A (en) * | 2008-09-23 | 2010-03-31 | 中交第三航务工程局有限公司 | Assembly method of section box girder |
| CN101476291A (en) * | 2009-01-21 | 2009-07-08 | 中铁一局集团有限公司 | Segment-assembling simply supported box girder movable falsework construction method |
| CN104594200A (en) * | 2014-12-15 | 2015-05-06 | 中铁建大桥工程局集团第五工程有限公司 | Bridge simply supported beam segment assembling construction method for frigid plateau region |
Non-Patent Citations (1)
| Title |
|---|
| 冷加金: ""大跨度连续刚构桥箱梁预制悬拼施工浅析"", 《广东科技》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106149541A (en) * | 2016-05-30 | 2016-11-23 | 中国冶集团有限公司 | The prefabricated box bridge of a kind of prestressed stretch-draw and construction method |
| CN106149541B (en) * | 2016-05-30 | 2020-05-01 | 中国一冶集团有限公司 | Prestressed tensioning prefabricated box type bridge and construction method |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160525 |
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| RJ01 | Rejection of invention patent application after publication |