CN109537459A - A kind of cast-in-situ box girder skew web plate mould bases integral construction method - Google Patents
A kind of cast-in-situ box girder skew web plate mould bases integral construction method Download PDFInfo
- Publication number
- CN109537459A CN109537459A CN201811446478.1A CN201811446478A CN109537459A CN 109537459 A CN109537459 A CN 109537459A CN 201811446478 A CN201811446478 A CN 201811446478A CN 109537459 A CN109537459 A CN 109537459A
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- web plate
- skew web
- plate support
- cast
- support frame
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Classifications
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- 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)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention discloses a kind of cast-in-situ box girder skew web plate mould bases integral construction methods, the installation that cast-in-situ box girder disk buckles bracket and bottom plate transverse direction I-steel is carried out first, then multiple skew web plate support frames are respectively arranged on corresponding bottom plate transverse direction I-steel, the length that skew web plate support frame adjustable supports beam is adjusted after being installed ensures that the angle of skew web plate and bottom plate meets the installation drawing requirement of skew web plate, finally carries out the installation of skew web plate mould bases and examination.The present invention is supported positioning to skew web plate mould bases using multiple skew web plate support frames, ensure that the installation of skew web plate meets drawing requirement, the fixed supporting beam of skew web plate support frame is used to support skew web plate template and chamfering circular arc template, to ensure that support stiffness and intensity, the construction method of cast-in-situ box girder skew web plate mould bases of the present invention is simple, installation is quick, and working procedure and construction cost is greatly saved.
Description
Technical field
The present invention relates to construction of cast-in-situ box-beam field, specifically a kind of cast-in-situ box girder skew web plate mould bases integrated construction side
Method.
Background technique
With the emergence of urban traffic blocking, urban viaduct increasingly receives the favor of people, passes through decades
Development, overpass construction of cast-in-situ box-beam technique reaches its maturity.How efficiently, the completion construction of cast-in-situ box-beam of safety, and
And obtain that owner, management, industry specialists are widely recognized as, it is all the long-cherished wish of science of bridge building teacher all the time.Cast-in-situ box girder bottom plate
Cross-sectional form with side plate, side plate and wing plate is usually rounded corner or direct chamfering.Traditional wing plate at side plate more adopt
It is ridden on holder jacking with steel pipe pre-bending and does temporary support, template uses bamboo slab rubber at chamfering.Conventional steel supports process numerous
Mostly and takes time and effort and also bring many puzzlements to construction party.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of cast-in-situ box girder skew web plate mould bases integral construction methods, can be fast
Speed realizes the installation of cast-in-situ box girder skew web plate template, and template mounting structure is stablized, quick detachable.
The technical solution of the present invention is as follows:
A kind of cast-in-situ box girder skew web plate mould bases integral construction method, has specifically included following steps:
(1), cast-in-situ box girder disk is set up first and buckle bracket, then adjust bottom plate transverse direction I-steel absolute altitude, then carry out box beam bottom plate side
Line setting-out finally determines installation site of the skew web plate support frame on bottom plate transverse direction I-steel, and crosses；
(2), multiple skew web plate support frames are fixed on bottom plate transverse direction I-steel and skew web plate side template is supported, each
The installation steps of skew web plate support frame are as follows: two hold-down supports of each skew web plate support frame bottom end are fixed on bottom plate transverse direction I-shaped
Then the bottom end of the fixation supporting beam of skew web plate support frame and adjustable supports beam is hingedly connected to corresponding by the scribing position of steel
On hold-down support is solid, finally the top of the fixation supporting beam of side form plate bracing frame and adjustable supports beam is hinged；
(3), multiple skew web plate support frames carry out height and Slope angle adjustment, specific steps are as follows: install skew web plate support frame solid
After setting, the length of adjustable supports beam is adjusted to which the whole height and gradient to skew web plate support frame is adjusted, is adjusted
After the whole absolute altitude required to design drawing and gradient require, the joint steel pipe on the adjustable supports beam of each skew web plate support frame
Right-angle coupler, and the steel pipe right angle fastener on multiple skew web plate support frame Adjustable bracing bars is subjected to horizontal coupled with connecting tube,
To increase the stability of multiple skew web plate support frame integrated support；
(4), the more parallel lumps of wood are required to be fixed in the fixation supporting beam of multiple skew web plate support frames according to drawing scheme
And the fixation supporting beam of the more lumps of wood and multiple skew web plate support frames is to be mutually perpendicular to structure, then installs side template and circular arc falls
Angle formwork, circular arc chamfering template is bolted on the lumps of wood in order to which circular arc chamfering template and side template are spliced, after splicing is good
It polishes circular arc chamfering template, it is ensured that seam flatness；
(5), after cast-in-situ box girder skew web plate template and flange plate template are installed, whole examination is carried out.
Each skew web plate support frame includes that there are two the fixed pedestals of U-shaped structure, fixed supporting beam and adjustable
Supporting beam, the adjustable supports beam are made of threaded sleeve, upper screw rod and lower screw rod, and the bottom end of the upper screw rod screws togather
It is connected on the top of threaded sleeve, the top of the lower screw rod is screwed together on the bottom of threaded sleeve, and upper screw rod
Oppositely oriented with lower screw flight, the bottom of screw rod is respectively protruding into two under the fixation supporting beam and adjustable supports beam
In fixed pedestal and hinged with corresponding fixed pedestal, on the top of the fixation supporting beam and adjustable supports beam the top of screw rod
End is hinged.
The steel pipe right angle fastener fixing is connected on the threaded sleeve of Adjustable bracing bar, and Adjustable bracing bar thread bush
Swing handle is fixedly installed on outer wall in the middle part of pipe.
The side template selects bamboo slab rubber, and the circular arc chamfering template selects steel form.
Advantages of the present invention:
The present invention is supported positioning to skew web plate mould bases using multiple skew web plate support frames, and by adjusting multiple skew web plate branch
The length adjustment skew web plate of support adjustable supports beam and the angle of bottom plate, it is ensured that the installation of skew web plate meets drawing requirement, fixed
Supporting beam is used to support skew web plate template and chamfering circular arc template, thus ensure that support stiffness and intensity, the cast-in-place case of the present invention
The construction method of beam skew web plate mould bases is simple, installation is quick, and working procedure and construction cost is greatly saved.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of skew web plate support frame support skew web plate mould bases of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
A kind of cast-in-situ box girder skew web plate mould bases integral construction method, has specifically included following steps:
(1), cast-in-situ box girder disk is set up first and buckle bracket, then adjust bottom plate transverse direction I-steel absolute altitude, then carry out box beam bottom plate side
Line setting-out finally determines installation site of the skew web plate support frame on bottom plate transverse direction I-steel, and crosses；
(2), multiple skew web plate support frames are fixed on bottom plate transverse direction I-steel 1 and skew web plate side template 2 is supported, often
A skew web plate support frame includes that there are two the fixed pedestal 4 of U-shaped structure, fixed supporting beam 5 and adjustable supports beam, adjustable supports
Beam is made of threaded sleeve 6, upper screw rod 7 and lower screw rod 8, and the bottom end of upper screw rod 7 is screwed together in the top of threaded sleeve 6
On, the top of lower screw rod 8 is screwed together on the bottom of threaded sleeve 6, and the thread rotary orientation of upper screw rod 7 and lower screw rod 8 on the contrary,
Swing handle 9 is fixedly installed on the outer wall at 6 middle part of threaded sleeve, the bottom of screw rod 8 under fixed supporting beam 5 and adjustable supports beam
It is respectively protruding into two fixed pedestals 4 and hinged with corresponding fixed pedestal 4, the top of fixed supporting beam 5 and adjustable supports
The top of screw rod 7 is hinged on beam；
The installation steps of each skew web plate support frame are as follows: two hold-down supports 4 of each skew web plate support frame bottom end are fixed on bottom
The scribing position of plate transverse direction I-steel 1, then by screw rod 8 under the fixation supporting beam 5 of skew web plate support frame and adjustable supports beam
Bottom end is hingedly connected on corresponding hold-down support solid 4, finally by the fixation supporting beam 5 of side form plate bracing frame and adjustable supports beam
The top of upper screw rod 7 is hinged；
(3), multiple skew web plate support frames carry out height and Slope angle adjustment, specific steps are as follows: install skew web plate support frame solid
After setting, holds swing handle 9 and rotate the length of the adjusting adjustable supports beam of threaded sleeve 6 to the entirety to skew web plate support frame
Height and gradient be adjusted, be adjusted to design drawing requirement absolute altitude and gradient require after, in each skew web plate branch
Joint steel pipe right-angle coupler 10 on the threaded sleeve 6 of support adjustable supports beam, and with connecting tube 11 by multiple skew web plate support frames
Steel pipe right angle fastener 10 on Adjustable bracing bar carries out horizontal coupled, to increase the stabilization of multiple skew web plate support frame integrated support
Property；
(4), the more parallel lumps of wood 12 are required to the fixation supporting beam 5 for being fixed on multiple skew web plate support frames according to drawing scheme
The upper and fixation supporting beam 5 of the more lumps of wood 12 and multiple skew web plate support frames is to be mutually perpendicular to structure, then installs side template 2
(bamboo slab rubber) and circular arc chamfering template 3(steel form), circular arc chamfering template 3 is bolted on the lumps of wood 12 in order to which circular arc falls
Angle formwork 3 and side template 2 splice, and polish after splicing is good circular arc chamfering template 3, it is ensured that seam flatness；
(5), after cast-in-situ box girder skew web plate template and flange plate template are installed, whole examination is carried out.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (4)
1. a kind of cast-in-situ box girder skew web plate mould bases integral construction method, it is characterised in that: specifically include following steps:
(1), cast-in-situ box girder disk is set up first and buckle bracket, then adjust bottom plate transverse direction I-steel absolute altitude, then carry out box beam bottom plate side
Line setting-out finally determines installation site of the skew web plate support frame on bottom plate transverse direction I-steel, and crosses；
(2), multiple skew web plate support frames are fixed on bottom plate transverse direction I-steel and skew web plate side template is supported, each
The installation steps of skew web plate support frame are as follows: two hold-down supports of each skew web plate support frame bottom end are fixed on bottom plate transverse direction I-shaped
Then the bottom end of the fixation supporting beam of skew web plate support frame and adjustable supports beam is hingedly connected to corresponding by the scribing position of steel
On hold-down support is solid, finally the top of the fixation supporting beam of side form plate bracing frame and adjustable supports beam is hinged；
(3), multiple skew web plate support frames carry out height and Slope angle adjustment, specific steps are as follows: install skew web plate support frame solid
After setting, the length of adjustable supports beam is adjusted to which the whole height and gradient to skew web plate support frame is adjusted, is adjusted
After the whole absolute altitude required to design drawing and gradient require, the joint steel pipe on the adjustable supports beam of each skew web plate support frame
Right-angle coupler, and the steel pipe right angle fastener on multiple skew web plate support frame Adjustable bracing bars is subjected to horizontal coupled with connecting tube,
To increase the stability of multiple skew web plate support frame integrated support；
(4), the more parallel lumps of wood are required to be fixed in the fixation supporting beam of multiple skew web plate support frames according to drawing scheme
And the fixation supporting beam of the more lumps of wood and multiple skew web plate support frames is to be mutually perpendicular to structure, then installs side template and circular arc falls
Angle formwork, circular arc chamfering template is bolted on the lumps of wood in order to which circular arc chamfering template and side template are spliced, after splicing is good
It polishes circular arc chamfering template, it is ensured that seam flatness；
(5), after cast-in-situ box girder skew web plate template and flange plate template are installed, whole examination is carried out.
2. a kind of cast-in-situ box girder skew web plate mould bases integral construction method according to claim 1, it is characterised in that: it is described
Each skew web plate support frame include there are two the fixed pedestal of U-shaped structure, fixed supporting beam and adjustable supports beam, it is described
Adjustable supports beam is made of threaded sleeve, upper screw rod and lower screw rod, and the bottom end of the upper screw rod is screwed together in thread bush
On the top of pipe, the top of the lower screw rod is screwed together on the bottom of threaded sleeve, and the spiral shell of upper screw rod and lower screw rod
Line is oppositely oriented, under the fixation supporting beam and adjustable supports beam the bottom of screw rod be respectively protruding into two fixed pedestals and
Hinged with corresponding fixed pedestal, the top of screw rod is hinged on the top of the fixation supporting beam and adjustable supports beam.
3. a kind of cast-in-situ box girder skew web plate mould bases integral construction method according to claim 2, it is characterised in that: it is described
Steel pipe right angle fastener fixing be connected on the threaded sleeve of Adjustable bracing bar, and the outer wall in the middle part of Adjustable bracing bar threaded sleeve
On be fixedly installed swing handle.
4. a kind of cast-in-situ box girder skew web plate mould bases integral construction method according to claim 1, it is characterised in that: it is described
Side template select bamboo slab rubber, the circular arc chamfering template selects steel form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811446478.1A CN109537459A (en) | 2018-11-29 | 2018-11-29 | A kind of cast-in-situ box girder skew web plate mould bases integral construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811446478.1A CN109537459A (en) | 2018-11-29 | 2018-11-29 | A kind of cast-in-situ box girder skew web plate mould bases integral construction method |
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| Publication Number | Publication Date |
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| CN109537459A true CN109537459A (en) | 2019-03-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811446478.1A Pending CN109537459A (en) | 2018-11-29 | 2018-11-29 | A kind of cast-in-situ box girder skew web plate mould bases integral construction method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110565529A (en) * | 2019-08-27 | 2019-12-13 | 苏州中车建设工程有限公司 | Sound barrier basis and case roof beam integration template of pouring |
| CN112342929A (en) * | 2020-11-27 | 2021-02-09 | 中铁七局集团第五工程有限公司 | Continuous beam inclined web circular arc section construction method adopting steel-wood mixed template |
| CN113373812A (en) * | 2021-06-04 | 2021-09-10 | 中国建筑一局(集团)有限公司 | Supporting device capable of adjusting elevation of bent cap end chamfer template and construction process |
| CN113512940A (en) * | 2021-03-18 | 2021-10-19 | 中铁十一局集团第一工程有限公司 | Low tower cable-stayed bridge cable beam anchoring block construction process based on adjustable brackets |
| CN113774802A (en) * | 2021-09-17 | 2021-12-10 | 黑龙江省龙建路桥第五工程有限公司 | Cast-in-place box girder edge protection structure and construction method |
| CN114525736A (en) * | 2022-02-25 | 2022-05-24 | 山东淄博环宇桥梁模板有限公司 | Preparation process of small-batch special-shaped modular bridge steel template |
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| CN204691247U (en) * | 2015-05-27 | 2015-10-07 | 中电建建筑集团有限公司 | Novel universal beam form strutting system |
| CN105178596A (en) * | 2015-10-10 | 2015-12-23 | 安徽卓良新材料有限公司 | Cast-in-place box girder formwork diagonal bracing device |
| CN105887696A (en) * | 2016-05-25 | 2016-08-24 | 中交第航务工程局有限公司 | Variable-cross-section adjustable integral form board of mobile formwork |
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| JP3678831B2 (en) * | 1996-02-20 | 2005-08-03 | 川鉄橋梁鉄構株式会社 | Steel-concrete composite floor slab bridge and its construction method |
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| CN104963290A (en) * | 2015-07-08 | 2015-10-07 | 杭州江润科技有限公司 | Mold supporting structure for variable cross-section cast-in-place box girder at section combining horizontal and longitudinal curves, and construction method of the mold supporting structure |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110565529A (en) * | 2019-08-27 | 2019-12-13 | 苏州中车建设工程有限公司 | Sound barrier basis and case roof beam integration template of pouring |
| CN112342929A (en) * | 2020-11-27 | 2021-02-09 | 中铁七局集团第五工程有限公司 | Continuous beam inclined web circular arc section construction method adopting steel-wood mixed template |
| CN113512940A (en) * | 2021-03-18 | 2021-10-19 | 中铁十一局集团第一工程有限公司 | Low tower cable-stayed bridge cable beam anchoring block construction process based on adjustable brackets |
| CN113512940B (en) * | 2021-03-18 | 2022-07-08 | 中铁十一局集团第一工程有限公司 | Low tower cable-stayed bridge cable beam anchoring block construction process based on adjustable brackets |
| CN113373812A (en) * | 2021-06-04 | 2021-09-10 | 中国建筑一局(集团)有限公司 | Supporting device capable of adjusting elevation of bent cap end chamfer template and construction process |
| CN113774802A (en) * | 2021-09-17 | 2021-12-10 | 黑龙江省龙建路桥第五工程有限公司 | Cast-in-place box girder edge protection structure and construction method |
| CN114525736A (en) * | 2022-02-25 | 2022-05-24 | 山东淄博环宇桥梁模板有限公司 | Preparation process of small-batch special-shaped modular bridge steel template |
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Application publication date: 20190329 |
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