CN103556578A - Straight-line section and side span closure section casting mold system for continuous beam and erection method for casting mold system - Google Patents
Straight-line section and side span closure section casting mold system for continuous beam and erection method for casting mold system Download PDFInfo
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- CN103556578A CN103556578A CN201310478131.6A CN201310478131A CN103556578A CN 103556578 A CN103556578 A CN 103556578A CN 201310478131 A CN201310478131 A CN 201310478131A CN 103556578 A CN103556578 A CN 103556578A
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- 238000005266 casting Methods 0.000 title abstract 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Chemical compound data:image/svg+xml;base64,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 data:image/svg+xml;base64,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 [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 32
- 229910052742 iron Inorganic materials 0.000 claims abstract description 16
- 238000010276 construction Methods 0.000 abstract description 11
- 229910000831 Steel Inorganic materials 0.000 abstract description 7
- 239000010959 steel Substances 0.000 abstract description 7
- 239000000463 material Substances 0.000 description 7
- 230000005484 gravity Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 1
Abstract
The invention discloses a straight-line section and side span closure section casting mold system for a continuous beam and an erection method for the casting mold system and solves the problems that the steel consumption is large and the construction period is long during construction of straight-line sections and side span closure sections of high-pier continuous beams in the prior art. According to the casting mold system and the erection method for the casting mold system, pre-buried iron plates (2) and pier top beams (3) are pre-buried at the pier top of a side span pier body (1), a pair of herringbone longitudinal sliding beam supports (4) are welded on the pier top beams (3), a hanging basket (8) is arranged at a last one cantilever block section (7), platform longitudinal beams (11) are erected between a front lower beam (9) of the hanging basket and the pier top beams, longitudinal sliding beam hanging belts (10) of the hanging basket are connected with the middles of hanging basket longitudinal sliding beams (14), the outer ends of the hanging basket longitudinal sliding beams are connected with the top ends of the herringbone longitudinal sliding beam supports (4), and outer mold trusses (15) are arranged between the top ends of the two herringbone longitudinal sliding beam supports. By means of the casting mold system and the erection method for the casting mold system, construction costs are reduced, and the straight-line section and side span closure section construction period of the continuous beam is shortened.
Description
Technical field
What the present invention relates to that a kind of cantilevered builds continuous beam builds mold system and building method thereof, particularly a kind of high pier shaft cantilevered build the straightway of continuous beam and end bay closure segment build mold system and this builds the building method of mold system.
Background technology
Existing high pier shaft cantilevered is built the building after straightway has been built of end bay closure segment of continuous beam and is just carried out, the building of mold system of building of building mold system and end bay closure segment of straightway is near ground abutment pier, first to carry out ground to strengthen after processing, set up again steel bracket, be ready to meet the pre-briquetting of heap carrying capacity requirement simultaneously, and pre-briquetting is lifted into steel bracket top carries out precompressed, and in precompressed process, observe the deflection of ground and steel bracket, until deflection is laid down pre-briquetting after stablizing again, the last template of straightway and end bay closure segment of setting up at the top of steel bracket.This existing building method of building mold system exist foundation treatment material and support rolled steel dosage many, lifting workload is large, length consuming time is used prepressing materials many, the problem that construction costs is high and work high above the ground has a big risk.
Summary of the invention
What the invention provides a kind of continuous beam straightway and end bay closure segment builds mold system and building method thereof, solved prior art when the high pier continuous beam straightway of construction and end bay closure segment, the end bay support foundation treatment material and the support rolled steel dosage that exist are many, lifting workload is large, construction costs height and the large problem of security risk.
The present invention solves above technical problem by the following technical programs:
A kind of continuous beam straightway and end bay closure segment build mold system, comprise end bay pier shaft, apart from end bay pier shaft nearest in across pier shaft, the cantilever piece section second from the bottom of therefrom building to end bay pier shaft direction across pier shaft and the cantilever piece section last of therefrom building to end bay pier shaft direction across pier shaft, at the Dun Ding of end bay pier shaft, be embedded with pre-buried iron plate, on pre-buried iron plate, be welded with pier head piece, on pier head piece, be welded with a pair of lambdoid vertical sliding boom support, in cantilever piece section last, be provided with Hanging Basket, between the front lower transverse beam of Hanging Basket and pier head piece, be erected with platform longeron, on platform longeron, be provided with platform crossbeam, on platform crossbeam, be placed with platform panel, the middle part of the vertical sliding beam of the vertical sliding beam suspender belt of Hanging Basket and Hanging Basket links together, the vertical sliding outer end of beam of Hanging Basket and the top of lambdoid vertical sliding boom support are connected, between the top of two lambdoid vertical sliding boom supports, be provided with external mold truss, on external mold truss, be fixedly installed external mold, in the bottom of external mold truss, be provided with laterally to pull bar.
At external mold and platform panel, form build space in built and merged the section of building.
A building method of building mold system for straightway and end bay closure segment, comprises the following steps:
The first step, at the pier of end bay pier shaft, push up pre-buried 4 pre-buried iron plates, on 2 pre-buried iron plates of front side, abutment pier top, be welded and fixed pier head piece, on 2 pre-buried iron plates of abutment pier top rear, be welded and fixed another pier head piece;
Second step, the cantilever piece section second from the bottom that Hanging Basket is therefrom built to end bay pier shaft direction across pier shaft move on in cantilever piece section last, make Hanging Basket meet normal cantilever pouring condition, and the absolute altitude of adjusting the front lower lock piece of Hanging Basket are to calculating absolute altitude;
The 3rd step, platform longeron is placed successively and is fixed on before pier head piece and Hanging Basket on lower transverse beam;
The 4th step, on platform longeron placement platform crossbeam successively;
The 5th step, on platform crossbeam, lay flat upper surface plate;
The 6th step, two lambdoid vertical sliding boom supports are lifted respectively and are welded to the both sides of pier head piece, the vertical sliding beam of direction movable hanging basket with backward end bay pier shaft, links together the outer end of the vertical sliding beam of Hanging Basket and the top of vertical sliding boom support;
The 7th step, the middle part of the vertical sliding beam of the vertical sliding beam suspender belt of Hanging Basket and Hanging Basket is linked together, and the absolute altitude of adjusting the vertical sliding beam of Hanging Basket is to calculating absolute altitude;
The 8th step, on the vertical sliding beam of 2 Hanging Baskets, place external mold truss, with laterally pull bar being fastened on external mold truss the both sides of platform lock piece;
The 9th step, on external mold truss, external mold is installed.
The present invention takes full advantage of the Gravity support structure that end bay Dun Ding and Hanging Basket are built as cantilever pouring continuous beam straightway and end bay closure segment, replaced setting up on the ground end bay cast-in-place support as the Gravity support structure of its concrete work, lot of materials and preloading and prepressing materials have been saved, reduce construction costs, shorten the construction period of cantilever pouring continuous beam straightway and end bay closure segment, reduced the risk of upper air installing operation.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is that A-A in Fig. 1 is to sectional view.
The specific embodiment
Below in conjunction with accompanying drawing, the present invention is described in detail:
A kind of continuous beam straightway and end bay closure segment build mold system, comprise end bay pier shaft 1, apart from end bay pier shaft nearest in across pier shaft 5, the cantilever piece section 6 second from the bottom of therefrom building to end bay pier shaft 1 direction across pier shaft 5 and the cantilever piece section 7 last of therefrom building to end bay pier shaft 1 direction across pier shaft 5, at the Dun Ding of end bay pier shaft 1, be embedded with pre-buried iron plate 2, on pre-buried iron plate 2, be welded with pier head piece 3, on pier head piece 3, be welded with a pair of lambdoid vertical sliding boom support 4, in cantilever piece section 7 last, be provided with Hanging Basket 8, between the front lower transverse beam 9 of Hanging Basket 8 and pier head piece 3, be erected with platform longeron 11, on platform longeron 11, be provided with platform crossbeam 12, on platform crossbeam 12, be placed with platform panel 13, the vertical sliding beam suspender belt 10 of Hanging Basket 8 links together with the middle part of the vertical sliding beam 14 of Hanging Basket, the outer end of the vertical sliding beam 14 of Hanging Basket is connected with the top of lambdoid vertical sliding boom support 4, between the top of two lambdoid vertical sliding boom supports 4, be provided with external mold truss 15, on external mold truss 15, be fixedly installed external mold 16, in the bottom of external mold truss 15, be provided with laterally to pull bar 18.
At external mold 16 and platform panel 13, form build space in built and merged the section of building 17, merge the section of building 17 merging of the concrete for the straightway of cantilever pouring continuous beam and end bay closure segment and build engineering.
A building method of building mold system for straightway and end bay closure segment, comprises the following steps:
The first step, at the pier of end bay pier shaft 1, push up pre-buried 4 pre-buried iron plates 2, on 2 pre-buried iron plates 2 of front side, abutment pier top, be welded and fixed pier head piece 3, on 2 pre-buried iron plates 2 of abutment pier top rear, be welded and fixed another pier head piece;
Second step, the cantilever piece section 6 second from the bottom that Hanging Basket 8 is therefrom built to end bay pier shaft 1 direction across pier shaft 5 move on in cantilever piece section 7 last, make Hanging Basket 8 meet normal cantilever pouring condition, and the absolute altitude of adjusting the front lower lock piece 9 of Hanging Basket 8 are to calculating absolute altitude;
The 3rd step, platform longeron 11 is placed successively and is fixed on before pier head piece 3 and Hanging Basket on lower transverse beam 9;
The 4th step, on platform longeron 11 placement platform crossbeam 12 successively;
The 5th step, on platform crossbeam 12, lay flat upper surface plate 13;
The 6th step, two lambdoid vertical sliding boom supports 4 are lifted respectively and are welded to the both sides of pier head piece 3, the vertical sliding beam 14 of direction movable hanging basket with backward end bay pier shaft 1, links together the outer end of the vertical sliding beam 14 of Hanging Basket and the top of vertical sliding boom support 4;
The 7th step, the middle part that the vertical sliding beam suspender belt of Hanging Basket 8 10 and Hanging Basket are indulged to sliding beam 14 link together, and the absolute altitude of adjusting the vertical sliding beam 14 of Hanging Basket is to calculating absolute altitude;
The 8th step, on the vertical sliding beam 14 of 2 Hanging Baskets, place external mold truss 15, with laterally pull bar 18 being fastened on external mold truss the both sides of platform lock piece 12;
The 9th step, external mold 16 is installed on external mold truss 15.
The present invention has utilized the Gravity support structure as the concrete work of cantilever pouring continuous beam straightway and end bay closure segment apart from the Dun Ding of existing Hanging Basket on the nearest cantilever piece of end bay pier shaft and end bay pier shaft, builds support platform and the cast outer mold structure of its concrete work.With respect to traditional construction technology, the present invention has saved duration and material and piling prepressing material greatly, has reduced construction costs, has shortened the engineering time of cantilever pouring continuous beam, has reduced the risk of upper air installing operation.
Claims (3)
1. a continuous beam straightway and end bay closure segment builds mold system, comprise end bay pier shaft (1), apart from end bay pier shaft nearest in across pier shaft (5), the cantilever piece section second from the bottom (6) of therefrom building to end bay pier shaft (1) direction across pier shaft (5) and the cantilever piece section last (7) of therefrom building to end bay pier shaft (1) direction across pier shaft (5), it is characterized in that, at the Dun Ding of end bay pier shaft (1), be embedded with pre-buried iron plate (2), on pre-buried iron plate (2), be welded with pier head piece (3), on pier head piece (3), be welded with a pair of lambdoid vertical sliding boom support (4), in cantilever piece section last (7), be provided with Hanging Basket (8), between the front lower transverse beam (9) of Hanging Basket (8) and pier head piece (3), be erected with platform longeron (11), on platform longeron (11), be provided with platform crossbeam (12), on platform crossbeam (12), be placed with platform panel (13), the vertical sliding beam suspender belt (10) of Hanging Basket (8) links together with the middle part of the vertical sliding beam of Hanging Basket (14), the outer end of the vertical sliding beam of Hanging Basket (14) is connected with the top of lambdoid vertical sliding boom support (4), between the top of two lambdoid vertical sliding boom supports (4), be provided with external mold truss (15), on external mold truss (15), be fixedly installed external mold (16), in the bottom of external mold truss (15), be provided with laterally to pull bar (18).
A kind of continuous beam straightway according to claim 1 and end bay closure segment build mold system, it is characterized in that, at external mold (16) and platform panel (13), form build space in built and merged the section of building (17).
3. a building method of building mold system for continuous beam straightway and end bay closure segment, comprises the following steps:
The first step, at the pier of end bay pier shaft (1), push up pre-buried 4 pre-buried iron plates (2), on 2 pre-buried iron plates (2) of front side, abutment pier top, be welded and fixed pier head piece (3), on 2 pre-buried iron plates (2) of abutment pier top rear, be welded and fixed another pier head piece;
Second step, Hanging Basket (8) is moved on to cantilever piece section last (7) from cantilever piece section second from the bottom (6), make Hanging Basket (8) meet normal cantilever pouring condition, and the absolute altitude of adjusting the front lower lock piece of Hanging Basket (8) (9) is to calculating absolute altitude;
The 3rd step, platform longeron (11) is placed successively and is fixed on before pier head piece (3) and Hanging Basket on lower transverse beam (9);
The 4th step, on platform longeron (11) placement platform crossbeam (12) successively;
The 5th step, at the upper flat upper surface plate (13) of laying of platform crossbeam (12);
The 6th step, two lambdoid vertical sliding boom supports (4) are lifted respectively and are welded to the both sides of pier head piece (3), the vertical sliding beam (14) of direction movable hanging basket with backward end bay pier shaft (1), links together the outer end of the vertical sliding beam of Hanging Basket (14) and the top of vertical sliding boom support (4);
The 7th step, the middle part that the vertical sliding beam suspender belt (10) of Hanging Basket (8) and Hanging Basket are indulged to sliding beam (14) link together, and the absolute altitude of adjusting the vertical sliding beam of Hanging Basket (14) is to calculating absolute altitude;
The 8th step, at the upper external mold truss (15) of placing of the vertical sliding beams of 2 Hanging Baskets (14), with laterally pull bar (18) being fastened on external mold truss to the both sides of platform lock piece (12);
The 9th step, at the upper external mold (16) of installing of external mold truss (15).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310478131.6A CN103556578B (en) | 2013-10-14 | 2013-10-14 | Straight-line section and side span closure section casting mold system for continuous beam and erection method for casting mold system |
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| CN201310478131.6A CN103556578B (en) | 2013-10-14 | 2013-10-14 | Straight-line section and side span closure section casting mold system for continuous beam and erection method for casting mold system |
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| CN103556578B CN103556578B (en) | 2015-05-13 |
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Cited By (6)
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| CN104264592A (en) * | 2014-10-14 | 2015-01-07 | 中国水利水电第四工程局有限公司 | Construction method of continuous beam |
| CN104790302A (en) * | 2015-05-08 | 2015-07-22 | 中南林业科技大学 | Hanging-basket and bent-cap-support matched integral construction method for side span linear segment of high-pier continuous rigid frame bridge |
| CN106284080A (en) * | 2016-08-11 | 2017-01-04 | 中铁十二局集团第二工程有限公司 | Continuous rigid frame aqueduct closure segment construction method |
| CN106400702A (en) * | 2016-11-28 | 2017-02-15 | 中交路桥华南工程有限公司 | Auxiliary pier 0# block beam temporary anchoring structure for preventing overturning of continuous beam |
| CN106894345A (en) * | 2017-04-17 | 2017-06-27 | 五冶集团上海有限公司 | Continuous beam end bay closing device and method |
| CN110939075A (en) * | 2019-11-12 | 2020-03-31 | 中国铁建大桥工程局集团有限公司 | Combined cast-in-place construction method for straight section support and hanging basket on side of equal-span continuous beam |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104264592A (en) * | 2014-10-14 | 2015-01-07 | 中国水利水电第四工程局有限公司 | Construction method of continuous beam |
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| CN104790302A (en) * | 2015-05-08 | 2015-07-22 | 中南林业科技大学 | Hanging-basket and bent-cap-support matched integral construction method for side span linear segment of high-pier continuous rigid frame bridge |
| CN106284080A (en) * | 2016-08-11 | 2017-01-04 | 中铁十二局集团第二工程有限公司 | Continuous rigid frame aqueduct closure segment construction method |
| CN106284080B (en) * | 2016-08-11 | 2019-01-11 | 中铁十二局集团第二工程有限公司 | Continuous rigid frame aqueduct closes up section constructing method |
| CN106400702A (en) * | 2016-11-28 | 2017-02-15 | 中交路桥华南工程有限公司 | Auxiliary pier 0# block beam temporary anchoring structure for preventing overturning of continuous beam |
| CN106894345A (en) * | 2017-04-17 | 2017-06-27 | 五冶集团上海有限公司 | Continuous beam end bay closing device and method |
| CN110939075A (en) * | 2019-11-12 | 2020-03-31 | 中国铁建大桥工程局集团有限公司 | Combined cast-in-place construction method for straight section support and hanging basket on side of equal-span continuous beam |
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| CN103556578B (en) | 2015-05-13 |
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