CN107806015B - A kind of unit construction bridge beam flange plate formwork for placing concrete system and construction method - Google Patents

A kind of unit construction bridge beam flange plate formwork for placing concrete system and construction method Download PDF

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Publication number
CN107806015B
CN107806015B CN201710927841.0A CN201710927841A CN107806015B CN 107806015 B CN107806015 B CN 107806015B CN 201710927841 A CN201710927841 A CN 201710927841A CN 107806015 B CN107806015 B CN 107806015B
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China
Prior art keywords
prefabricated
support
shaped
construction
bridge
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CN201710927841.0A
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CN107806015A (en
Inventor
黄祝兵
任芾均
胡应林
金玲玲
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China MCC17 Group Co Ltd
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China MCC17 Group Co Ltd
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    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D21/00Methods or apparatus specially adapted for erecting or assembling bridges

Abstract

The invention discloses a kind of unit construction bridge beam flange plate formwork for placing concrete systems, cast-in-place floorings including being located at prefabricated U-shaped back portion, prefabricated U-shaped beam bottom portion is supported equipped with bottom, top support plate is equipped with above cast-in-place floorings, it is fixed between top support plate and bottom support by split bolt, the top of prefabricated U-shaped beam side is equipped with precast concrete block, and top support plate is located on precast concrete block;Cast-in-place floorings free end bottom is equipped with plywood form, and bottom is adjustable stretching bracket, and plywood form and adjustable stretch are equipped with sleeper between bracket.Not only construction is simple, assembling and disassembling conveniently, and eliminate high altitude operation process to the solution of the present invention, it can be recycled, great deal of steel is saved, strong applicability is reduced and put into engineering cost, also guarantee construction safety simultaneously, operational safety and working efficiency are improved, labor intensity is reduced, every set template is all Ke Xunhuanliyong, it reduces costs, construction can be promoted.

Description

A kind of unit construction bridge beam flange plate formwork for placing concrete system and construction method
Technical field
The invention belongs to the mounting technique fields of Surfacing Construction platform in highways and streets, railway, and in particular to A kind of unit construction bridge beam flange plate formwork for placing concrete system and construction method.
Background technique
Currently, construction project field shows construction with the quickening of China's urbanization progress and the decline of demographic dividend Amount is big, quality requirement is high, human cost rises, energy conservation and environmental protection requires the features such as high, there is an urgent need to develop assembled architecture, realizes The transition and upgrade and building industry of building industry modernize.Bridge flange plate formwork for placing concrete, mostly uses in the past and sets up scaffold, If foundation bearing bottom will also be handled, not only safety, stability are poor, but also steel pipe and fashioned iron demand are larger, construction It is at high cost;It needs a large amount of time and manpower again during setting up and dismantling scaffold, therefore it is cumbersome to construct, wastes engineering Time, large labor intensity, working efficiency bottom.
Summary of the invention
The technical problems to be solved by the present invention are: providing a kind of unit construction bridge beam flange plate formwork for placing concrete system and applying Work method.
In order to solve the above-mentioned technical problem, inventor obtains technical solution of the present invention by practice and summary, the present invention A kind of unit construction bridge beam flange plate formwork for placing concrete system is disclosed, including prefabricated U-shaped beam and pre- above prefabricated U-shaped beam Cover board processed further includes the cast-in-place floorings positioned at prefabricated U-shaped back portion, and prefabricated U-shaped beam bottom portion is supported equipped with bottom, described It is equipped with top support plate above cast-in-place floorings, is fixed between the top support plate and bottom support by split bolt, it is described The top of prefabricated U-shaped beam side is equipped with precast concrete block, and the top support plate is located on precast concrete block;It is described cast-in-place Floorings free end bottom is equipped with plywood form, bottom be it is adjustable stretch bracket, the plywood form and adjustable It stretches and is equipped with sleeper between bracket.
Preferably, the bottom support is channel steel.
Preferably, the adjustable stretching bracket, which is equipped with, stretches bridging.
The invention also discloses a kind of construction methods of unit construction bridge beam flange plate formwork for placing concrete system, including following step It is rapid:
A1. it after formula beam lifting to be assembled is in place, is hung down from bridge floor by bottom support, split bolt need to be connected in advance;
A2. precast concrete block is placed above prefabricated U-shaped web, top support plate is placed in precast concrete On block;
A3. by split bolt, top support plate and bottom support is linked to be entirety, strutting system is constituted, then installs Prefabricated board between prefabricated U-shaped beam;
A4. in the hole adjustable stretching bracket insertion bottom support being drilled in advance, and can by two rows with bridging is stretched Stretching bracket is adjusted to fix;
A5. it is stretched on holder jacking adjustable, sleeper and plywood form is installed, controlled by adjusting jacking height Flange plate elevation;
A6. after the completion of bridge deck concrete plate pours, striking, precast concrete block will be retained in bridge deck concrete.
Preferably, in the step A when every piece of prefabricated board is prefabricated, both ends be respectively arranged two it is suitable with split bolt diameter Semicircle, upper casing is covered on split bolt, top support plate and bottom support are linked to be entirety across semicircle orifice.
Compared with prior art, the present invention can obtain following technical effect:
Not only construction is simple, assembling and disassembling conveniently, and eliminate high altitude operation process to the solution of the present invention, and can recycle makes With saving great deal of steel, strong applicability is reduced and put into engineering cost, while also guaranteeing construction safety, improves operational safety And working efficiency, labor intensity is reduced, every set template is all Ke Xunhuanliyong, reduces costs, can promote construction.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, those of ordinary skill in the art are come It says, without creative efforts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of unit construction bridge beam flange plate formwork for placing concrete architectural schematic;
Fig. 2 is Section A-A schematic diagram.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to embodiments, to the present invention It is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to Limit the present invention.
With reference to the accompanying drawing and specific embodiment is further described application principle of the invention.
Embodiment 1
As shown in Figs. 1-2, a kind of unit construction bridge beam flange plate formwork for placing concrete system, including prefabricated U-shaped beam 10 and be located at The prefabricated cover board 9 of 10 top of prefabricated U-shaped beam further includes the cast-in-place floorings 11 positioned at 10 top of prefabricated U-shaped beam, the prefabricated U 10 bottom of type beam is equipped with bottom support 1, is equipped with top support plate 4,4 He of top support plate above the cast-in-place floorings 11 It is fixed between bottom support 1 by split bolt 3, the top of 10 side of prefabricated U-shaped beam is equipped with precast concrete block 5, described Top support plate 4 is located on precast concrete block 5;The 11 free end bottom of cast-in-place floorings is equipped with plywood form 7, bottom Portion is adjustable stretching bracket 2, and the plywood form 7 and adjustable stretch are equipped with sleeper 6 between bracket 2.
Wherein: the bottom support 1 is channel steel;The adjustable stretching bracket 2, which is equipped with, stretches bridging 8.
The present embodiment further includes a kind of construction method of unit construction bridge beam flange plate formwork for placing concrete system, including following step It is rapid:
A1. it after formula beam lifting to be assembled is in place, is hung down from bridge floor by bottom support 1, split bolt 3 need to be connected in advance;
A2. precast concrete block 5 is placed above 10 web of prefabricated U-shaped beam, top support plate 4 is placed in prefabricated mixed On solidifying soil block 5;
A3. by split bolt 3, top support plate 4 and bottom support 1 is linked to be entirety, strutting system is constituted, then pacifies Fill prefabricated board between prefabricated U-shaped beam 10;
A4. adjustable stretching bracket 2 is inserted into the hole that bottom support 1 is drilled in advance, and will be two rows of with bridging 8 is stretched The adjustable bracket 2 that stretches is fixed;
A5. it is stretched on 2 jacking of bracket adjustable, sleeper 6 and plywood form 7 is installed, come by adjusting jacking height Control flange plate elevation;
A6. after the completion of bridge deck concrete plate pours, striking, precast concrete block 5 will be retained in bridge deck concrete.
Wherein: in the step A3 when every piece of prefabricated board is prefabricated, both ends be respectively arranged two it is suitable with 3 diameter of split bolt Semicircle, upper casing is covered on split bolt 3, top support plate 4 and bottom support 1 are linked to be entirety across semicircle orifice.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims Variation is included within the present invention.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art The other embodiments being understood that.

Claims (5)

1. a kind of unit construction bridge beam flange plate formwork for placing concrete system, including prefabricated U-shaped beam (10) and it is located at prefabricated U-shaped beam (10) The prefabricated cover board (9) of top further includes the cast-in-place floorings (11) at the top of prefabricated U-shaped beam (10), it is characterised in that: described Prefabricated U-shaped beam (10) bottom is equipped with bottom support (1), is equipped with top support plate (4) above the cast-in-place floorings (11), described It is fixed by split bolt (3) between top support plate (4) and bottom support (1), it is set at the top of prefabricated U-shaped beam (10) side Have precast concrete block (5), the top support plate (4) is located on precast concrete block (5);The cast-in-place floorings (11) are certainly Plywood form (7) are equipped with by end bottom, bottom be it is adjustable stretch bracket (2), the plywood form (7) and adjustable It stretches and is equipped with sleeper (6) between bracket (2).
2. a kind of unit construction bridge beam flange plate formwork for placing concrete system according to claim 1, it is characterised in that: the bottom It is channel steel that portion, which supports (1),.
3. a kind of unit construction bridge beam flange plate formwork for placing concrete system according to claim 1, it is characterised in that: it is described can It adjusts and stretches bracket (2) equipped with stretching bridging (8).
4. a kind of construction party of unit construction bridge beam flange plate formwork for placing concrete system according to claim 1-3 Method, it is characterised in that: the following steps are included:
A1. it after formula beam lifting to be assembled is in place, is hung down from bridge floor by bottom support (1), split bolt (3) need to be connected in advance;
A2. precast concrete block (5) are placed above prefabricated U-shaped beam (10) web, top support plate (4) is placed in prefabricated On concrete block (5);
A3. by split bolt (3), top support plate (4) and bottom support (1) is linked to be entirety, constitute strutting system, then Prefabricated board between prefabricated U-shaped beam (10) is installed;
A4. by adjustable stretching bracket (2) insertion bottom support (1) hole for being drilled in advance, and with stretching bridging (8) by two Row fixes adjustable stretch bracket (2);
A5. it is stretched on bracket (2) jacking adjustable, sleeper (6) and plywood form (7) is installed, by adjusting jacking height To control flange plate elevation;
A6. after the completion of bridge deck concrete plate pours, striking, precast concrete block (5) will be retained in bridge deck concrete.
5. a kind of construction method of unit construction bridge beam flange plate formwork for placing concrete system according to claim 4, feature Be: in the step A3 when every piece of prefabricated board is prefabricated, two and split bolt (3) diameter comparable half are respectively arranged in both ends Circle, puts on casing on split bolt (3), passes through semicircle orifice for top support plate (4) and bottom support (1) and is linked to be entirety.
CN201710927841.0A 2017-10-09 2017-10-09 A kind of unit construction bridge beam flange plate formwork for placing concrete system and construction method Active CN107806015B (en)

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CN201710927841.0A CN107806015B (en) 2017-10-09 2017-10-09 A kind of unit construction bridge beam flange plate formwork for placing concrete system and construction method

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Application Number Priority Date Filing Date Title
CN201710927841.0A CN107806015B (en) 2017-10-09 2017-10-09 A kind of unit construction bridge beam flange plate formwork for placing concrete system and construction method

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CN107806015B true CN107806015B (en) 2019-03-22

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101591887A (en) * 2008-05-30 2009-12-02 上海宝冶建设有限公司 Method for hoisting elevated railway prefabricated U-shaped beam
KR20120057021A (en) * 2010-11-26 2012-06-05 한국건설기술연구원 Precast end segmet girder for continuous bridge, girder making method and bridge construction method using the same
CN103174095A (en) * 2013-03-18 2013-06-26 中国建筑第八工程局有限公司 Box girder concrete pouring structure with rear-expanding flanges and construction method thereof
KR101652758B1 (en) * 2016-02-17 2016-09-01 이엔이건설주식회사 Drainage apparatus for bridge using cover plate with drainage wing and the construction method therefor
CN206052554U (en) * 2016-08-17 2017-03-29 中国建筑第六工程局有限公司 A kind of Construction Supporting System for square twin columns great cantilever bent cap

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014146076A1 (en) * 2013-03-15 2014-09-18 Pbc International Inc. Composite action support structures

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101591887A (en) * 2008-05-30 2009-12-02 上海宝冶建设有限公司 Method for hoisting elevated railway prefabricated U-shaped beam
KR20120057021A (en) * 2010-11-26 2012-06-05 한국건설기술연구원 Precast end segmet girder for continuous bridge, girder making method and bridge construction method using the same
CN103174095A (en) * 2013-03-18 2013-06-26 中国建筑第八工程局有限公司 Box girder concrete pouring structure with rear-expanding flanges and construction method thereof
KR101652758B1 (en) * 2016-02-17 2016-09-01 이엔이건설주식회사 Drainage apparatus for bridge using cover plate with drainage wing and the construction method therefor
CN206052554U (en) * 2016-08-17 2017-03-29 中国建筑第六工程局有限公司 A kind of Construction Supporting System for square twin columns great cantilever bent cap

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