CN111890549A - Rack for binding prefabricated box girder bottom plate web steel reinforcement frameworks - Google Patents

Rack for binding prefabricated box girder bottom plate web steel reinforcement frameworks Download PDF

Info

Publication number
CN111890549A
CN111890549A CN202010688722.6A CN202010688722A CN111890549A CN 111890549 A CN111890549 A CN 111890549A CN 202010688722 A CN202010688722 A CN 202010688722A CN 111890549 A CN111890549 A CN 111890549A
Authority
CN
China
Prior art keywords
steel bar
bar supporting
rod
upright
reinforcing
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
Application number
CN202010688722.6A
Other languages
Chinese (zh)
Inventor
吴浩楠
孙亚东
宋景双
刘龙周
高文辉
胡晓琳
黄华山
孙建新
刘文龙
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hebei Construction Group Corp Ltd
Original Assignee
Hebei Construction Group Corp Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hebei Construction Group Corp Ltd filed Critical Hebei Construction Group Corp Ltd
Priority to CN202010688722.6A priority Critical patent/CN111890549A/en
Publication of CN111890549A publication Critical patent/CN111890549A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B23/00Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
    • B28B23/02Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/12Mounting of reinforcing inserts; Prestressing
    • E04G21/122Machines for joining reinforcing bars
    • E04G21/123Wire twisting tools

Abstract

The utility model provides a rack for prefabricated box girder bottom plate web steel reinforcement framework of ligature, its includes a plurality of support unit, two longerons, at least two first steel bar support piece, two second steel bar support piece and a plurality of third steel bar support piece that are parallel to each other. Every support unit is right angle U type structure, and a plurality of support unit arranges side by side and their projection coincidence, and the top of a plurality of support unit is connected to two longerons makes to form elongated right angle U type structure. The bottom of a plurality of support unit is connected and is constituted bottom plate steel bar supporting part through first steel bar support piece and second steel bar support piece, is provided with a plurality of steel bar positioning grooves of mutual spaced on every first steel bar support piece, and all steel bar positioning grooves are transversely and vertically aligned. The third steel bar supporting pieces are of a comb-shaped structure, each third steel bar supporting piece is arranged on one side of the corresponding support unit in a detachable mode, and the side parts of the plurality of support units and the plurality of third steel bar supporting pieces form a web steel bar supporting part together.

Description

Rack for binding prefabricated box girder bottom plate web steel reinforcement frameworks
Technical Field
The application belongs to the technical field of bottom plate web reinforcement, concretely relates to rack for binding prefabricated box girder bottom plate web steel reinforcement frameworks.
Background
In the construction process of basic building facilities such as highway bridges and the like, cement reinforcing bars are commonly used and are also an extremely important method for ensuring the strength of a concrete structure, in a bridge structure, because the load to be borne by a bridge body is large, a large number of reinforcing bars need to be arranged in a bearing structure to ensure the structural strength of reinforced concrete, the large number of reinforcing bars need to obtain a reasonable reinforcing bar distribution rule after professional calculation and analysis, and a reinforcing bar framework is formed by binding.
Generally, the ligature of bottom plate web reinforcing bar is directly gone on pier base, carries out concrete placement afterwards, but, because of the span is great between the pier, it is extremely inconvenient to operate, and in operation process, because below bearing structure is less, and high altitude construction's reason causes the reinforcing bar interval inhomogeneous easily, and the location is inaccurate, the phenomenon such as warp more easily after the ligature, these all greatly drag the progress of construction slowly.
Disclosure of Invention
In order to solve the problem that exists among the prior art, this application provides a rack for ligature precast box girder bottom plate web steel reinforcement skeleton, and it includes: the steel bar support comprises a plurality of support units, two longitudinal beams, at least two first steel bar support members which are parallel to each other, two second steel bar support members and a plurality of third steel bar support members. Each support unit is of a right-angle U-shaped structure, a plurality of support units are arranged in parallel, the projections of the support units are overlapped, and the two longitudinal beams are connected with the tops of the support units to form an elongated right-angle U-shaped structure. The bottom of a plurality of the support units is connected through the first steel bar supporting pieces and the second steel bar supporting pieces to form a bottom plate steel bar supporting part, a plurality of steel bar positioning grooves distributed according to a preset interval are formed in each first steel bar supporting piece, and all the steel bar positioning grooves are aligned in the transverse direction and the longitudinal direction. The third steel bar support is of a comb-shaped structure, and each third steel bar support is arranged on one side of the corresponding support unit in a detachable mode and is provided with a plurality of web steel bar supporting parts.
Preferably, each of the rack units includes a first upright, a second upright, a connecting rod, a first diagonal rod, and a second diagonal rod.
Preferably, the first upright and the second upright are parallel to each other, and the connecting rod is located at the bottom of the bracket unit and connects the lower ends of the first upright and the second upright.
Preferably, one end of the first diagonal rod is connected to the first upright, the other end is connected to the connecting rod, the first diagonal rod is inclined with respect to the first upright, one end of the second diagonal rod is connected to the second upright, the other end is connected to the connecting rod, and the second diagonal rod is inclined with respect to the second upright, the first diagonal rod and the second diagonal rod are symmetrical to each other.
Preferably, two of the longitudinal beams are respectively connected with the upper end parts of all the first vertical columns or the upper end parts of all the second vertical columns.
Preferably, each of the first reinforcing bar supporting members is vertically erected on the connecting bar, respectively.
Preferably, the two second steel bar supporting members are respectively erected on the connecting rod vertically, one of the second steel bar supporting members is connected with the lower end of each of the first diagonal members, and the other of the second steel bar supporting members is connected with the lower end of each of the second diagonal members.
Preferably, each of the third reinforcing bar supporting members in the comb structure includes a holding portion and a plurality of parallel reinforcing bar supporting rods, and the holding portion is perpendicular to the plurality of reinforcing bar supporting rods and connects an end portion of the plurality of reinforcing bar supporting rods.
Preferably, each third steel bar support piece further comprises a limiting reinforcing rib, the limiting reinforcing rib is vertically connected with the steel bar support rods, and the limiting reinforcing rib is parallel to the handheld portion.
Preferably, a plurality of the reinforcing bar support rods on each of the third reinforcing bar support members are distributed at a predetermined interval, and a length from a limiting reinforcing bar to an end portion far away from the hand-held portion on each of the reinforcing bar support rods is equal to or greater than a distance between the first upright and the second upright on the bracket unit.
Preferably, each of the bracket units is provided with a plurality of reinforcing bar supporting rod positioning portions at the same side of the first upright, the second upright, the first diagonal rod and the second diagonal rod, the number and the interval of the reinforcing bar supporting rod positioning portions are the same as those of reinforcing bar supporting rods on the third reinforcing bar supporting member, and the reinforcing bar supporting rod positioning portions on the first upright, the second upright, the first diagonal rod and the second diagonal rod are aligned.
Preferably, the reinforcing bar supporting bar positioning portion is a hollow pipe member welded and fixed to the first vertical column, the second vertical column, the first diagonal bar and the second diagonal bar, and an inner diameter of the hollow pipe member is larger than an outer diameter of the reinforcing bar supporting bar.
Preferably, the rack is further provided with two groups of prestressed corrugated pipe positioning members, each group of prestressed corrugated pipe positioning members is respectively connected with the plurality of first inclined rods or the plurality of second inclined rods which are positioned on the same side, and the prestressed corrugated pipe positioning members are arranged such that the bottoms of the prestressed corrugated pipe positioning members are flush with the bottoms of the prestressed corrugated pipes.
Compared with the prior art, the rack for binding the reinforcement cage of the prefabricated box girder bottom plate web plate is simple in structure and low in cost, and the operation of binding the reinforcement is more convenient and safer due to the fact that the rack works on the ground. The spacing of reinforcing steel bars is limited through the reinforcing steel bar supporting rods and the comb-shaped members, so that the spacing between the reinforcing steel bars is more uniform, the calculation value in the process of more laminating design can be better played, the working efficiency is also greatly improved, and the construction progress can be effectively accelerated.
Drawings
FIG. 1 is a schematic structural diagram of a main body of a rack for binding a web steel reinforcement framework of a bottom plate of a prefabricated box girder;
fig. 2 is a schematic view of a third reinforcing bar support;
fig. 3 is a view showing that the third reinforcing bar support is mounted to the bracket unit.
Detailed Description
To facilitate a better understanding of the technical solutions of the present application, specific embodiments of the present application will be described in detail below with reference to the accompanying drawings.
FIG. 1 is a schematic structural diagram of a main body of a rack for binding a web steel reinforcement framework of a bottom plate of a prefabricated box girder.
As shown in figure 1, this a rack for ligature precast box girder bottom plate web steel reinforcement skeleton mainly includes: a plurality of support unit, two longerons 1, at least two first steel bar support piece 7, two second steel bar support piece 8 and a plurality of third steel bar support piece 10 that are parallel to each other.
Each support unit is of a right-angle U-shaped structure, a plurality of support units are arranged in parallel, projections of the support units in the length direction of the longitudinal beams 1 are overlapped, and tops of the support units are connected through the two longitudinal beams 1 to form an elongated right-angle U-shaped structure.
Each rack unit comprises a first upright 2, a second upright 2 ', a connecting rod 6, a first diagonal rod 4 and a second diagonal rod 4'. The first upright 2 and the second upright 2 'are parallel to each other, and the connecting rod 6 is located at the bottom of the bracket unit and connects the lower ends of the first upright 2 and the second upright 2'. One end of the first diagonal rod 4 is connected to the first upright 2 and the other end is connected to the connecting rod 6, the first diagonal rod 4 is inclined with respect to the first upright 2, one end of the second diagonal rod 4 ' is connected to the second upright 2 ' and the other end is connected to the connecting rod 6, and the second diagonal rod 4 ' is inclined with respect to the second upright 2 ', the first diagonal rod 4 and the second diagonal rod 4 ' are symmetrical to each other. The angle at which the first 4 and second 4' diagonals are inclined depends on the angle between the web and base formers. Each support unit can not only be consolidated to first down tube 4 and second down tube 4', makes it more stable firm, can also inject the angle between web reinforcing bar and the bottom plate reinforcing bar, makes the reinforcing bar that the ligature was accomplished accord with the design demand more.
The two longitudinal beams 1 are respectively connected to the upper ends of all the first uprights 2 or the upper ends of all the second uprights 2'. In the following description, the longitudinal direction of the side member 1 is defined as a longitudinal direction, and the longitudinal direction of the connecting bar 6 is defined as a lateral direction.
The bottoms of the plurality of bracket units are connected through a first reinforcing steel bar supporting part 7 and a second reinforcing steel bar supporting part 8 to form a bottom plate reinforcing steel bar supporting part. Each of the first reinforcing bar supports 7 is vertically erected on the connecting bar 6, respectively. Two second steel bar supporting pieces 8 are vertically erected on the connecting rod 6 respectively, one of the second steel bar supporting pieces 8 is fixedly connected with the connecting rod 6 and each first inclined rod 4 at the position of the lower end part of each first inclined rod 4, and the other second steel bar supporting piece 8 is fixedly connected with the connecting rod 6 and each second inclined rod 4 'at the position of the lower end part of each second inclined rod 4'. Each first reinforcing bar supporting member 7 is provided with a plurality of reinforcing bar positioning grooves distributed at predetermined intervals, and all the reinforcing bar positioning grooves are aligned in the transverse direction and the longitudinal direction. Second steel bar support member 8 can inject the position of reinforcing bar in horizontal both sides, avoids the reinforcing bar to take place the dislocation in horizontal both sides. The reinforcing bar constant head tank on the first steel bar support member 7 is used for fixing a position single reinforcing bar, and the quantity and the interval of reinforcing bar constant head tank depend on prefabricated box girder bottom plate web steel reinforcement framework's construction design requirement.
Third steel bar support member 10 is comb structure, and every third steel bar support member 10 sets up the one side at corresponding support unit with the mode that can dismantle respectively, and the lateral part of a plurality of support unit constitutes web steel bar support portion together with a plurality of third steel bar support member 10.
As shown in fig. 2, each of the third reinforcing bar supports 10 in the comb structure includes a hand-held portion 103 and a plurality of parallel reinforcing bar support bars 101, wherein the hand-held portion 103 is perpendicular to the plurality of reinforcing bar support bars 101 and connects one end portions of the plurality of reinforcing bar support bars 101. Each of the third reinforcing bar supporting members 10 further includes a limiting reinforcing bar 102, the limiting reinforcing bar 102 is vertically connected to the plurality of reinforcing bar supporting rods 101, and the limiting reinforcing bar 102 is parallel to the hand-held portion 103 and is located inside the hand-held portion 103.
The plurality of reinforcing bar support rods 101 of each of the third reinforcing bar supports 10 are distributed at a predetermined interval so as to support and define the interval of the web reinforcing bars. The third reinforcing bar support member 10 of this kind of structure can make the web reinforcing bar accurately and evenly fix a position, and the design demand of more laminating drawing helps adjusting and keeping the straightness of reinforcing bar.
At least two reinforcing steel bar supporting rod positioning parts 3 are respectively arranged on the first upright post 2, the second upright post 2 ', the first inclined rod 4 and the second inclined rod 4' of each support unit, the reinforcing steel bar supporting rod positioning parts 3 on the first upright post 2 are aligned with the reinforcing steel bar supporting rod positioning parts 3 on the first inclined rod 4 so as to jointly position and support one third reinforcing steel bar supporting piece 10, and the reinforcing steel bar supporting rod positioning parts 3 on the second upright post 2 'are aligned with the reinforcing steel bar supporting rod positioning parts 3 on the second inclined rod 4' so as to jointly position and support the other third reinforcing steel bar supporting piece 10.
The reinforcing bar supporting bar positioning part 3 is preferably a hollow pipe member welded and fixed to the first column 2, the second column 2 ', the first diagonal bar 4, and the second diagonal bar 4', and the inner diameter of the hollow pipe member is larger than the outer diameter of the reinforcing bar supporting bar 101. Before the reinforcing bars are bound, the third reinforcing bar support member 10 is mounted to the bracket units, on both sides of each of which the plurality of the third reinforcing bar support members 10 are symmetrically mounted, by holding the holding portions 103 of the third reinforcing bar support member 10 and applying force so that at least two reinforcing bar support rods 101 are inserted into and pass through the corresponding reinforcing bar support rod positioning portions 3, as shown in fig. 3.
When the bottom plate web plate steel reinforcement framework is manufactured by using the rack binding of the invention, the binding of the bottom plate steel reinforcement is generally carried out firstly in consideration of the convenience of operation, and at the moment, the third steel reinforcement supporting piece 10 is not installed on the bracket unit, but is placed at other suitable places. After the completion of the lashing operation of the reinforcing bars of the bottom plate, before the start of lashing the web steel reinforcement cage, the third reinforcing bar support member 10 is inserted into the reinforcing bar support rod positioning portion 3, the reinforcing bar support rod 101 is used for supporting the horizontally arranged reinforcing bars, and the adjustment and the maintenance of the spacing and the straightness between the horizontally arranged reinforcing bars are facilitated. After the web steel reinforcement framework is bound, the hand-held portion 103 is held to pull and apply force to the direction of the outer side of the rack, so that each steel reinforcement support rod 101 is separated from the corresponding steel reinforcement support rod positioning portion 3 to remove the third steel reinforcement support member 10, and at the moment, the bound bottom plate web steel reinforcement framework can be moved away from the rack and transported to a proper position.
The rack is also provided with two groups of prestressed corrugated pipe positioning members 5, each group of prestressed corrugated pipe positioning members 5 are respectively connected with a plurality of first inclined rods 4 or a plurality of second inclined rods 4' which are positioned on the same side, and the prestressed corrugated pipe positioning members 5 are arranged so that the bottoms of the prestressed corrugated pipe positioning members are flush with the bottoms of the prestressed corrugated pipes. Every interval 1m of below of second steel bar support piece 8 hangs and sets up a location coordinate sign 9, and location coordinate sign 9 is used for instructing the location coordinate of prestressing force corrugated pipe, mutually supports with prestressing force corrugated pipe positioning member 5, can fix a position prestressing force corrugated pipe more accurately and conveniently, ensures that prestressing force corrugated pipe positioning member 5's line type is smooth-going, and the position is accurate, is convenient for recheck, improves work efficiency.
Use the bottom plate web steel reinforcement skeleton that the rack ligature of this application was accomplished, accord with the design demand of drawing more, also reduced staff's potential safety hazard in the work progress, also improved work efficiency simultaneously, reduced various manufacturing cost.
While the best mode for carrying out the invention has been described in detail and illustrated in the accompanying drawings, it is to be understood that the foregoing description is only illustrative of the presently preferred embodiments of the invention and that no limitation on the scope of the invention is thereby intended, such an improvement or modification being obvious to one skilled in the art.

Claims (8)

1. The utility model provides a rack for ligature prefabricated box girder bottom plate web framework of steel reinforcement, it includes: a plurality of bracket units, two longitudinal beams (1), at least two first steel bar supporting pieces (7) which are parallel to each other, two second steel bar supporting pieces (8) and a plurality of third steel bar supporting pieces (10),
each support unit is of a right-angle U-shaped structure, a plurality of support units are arranged in parallel, the projections of the support units are overlapped, two longitudinal beams (1) are connected with the tops of the support units to form an elongated right-angle U-shaped structure,
the bottoms of the plurality of bracket units are connected through the first reinforcing steel bar supporting pieces (7) and the second reinforcing steel bar supporting pieces (8) to form a bottom plate reinforcing steel bar supporting part, each first reinforcing steel bar supporting piece (7) is provided with a plurality of reinforcing steel bar positioning grooves distributed according to a preset interval, all the reinforcing steel bar positioning grooves are aligned in the transverse direction and the longitudinal direction,
third steel bar support piece (10) are comb structure, every install the symmetry with the mode that can dismantle on the support unit third steel bar support piece (10), a plurality of the lateral part and a plurality of support unit third steel bar support piece (10) constitute web reinforcing bar supporting part together.
2. The rack for binding the reinforcement cage of the web plate of the bottom plate of the prefabricated box girder according to claim 1, wherein: each of the support units comprises a first upright (2), a second upright (2 '), a connecting rod (6), a first diagonal rod (4) and a second diagonal rod (4'),
the first upright (2) and the second upright (2 ') are parallel to each other, the connecting rod (6) is positioned at the bottom of the bracket unit and connects the lower ends of the first upright (2) and the second upright (2'),
said first diagonal rod (4) being connected at one end to said first upright (2) and at the other end to said connecting rod (6), and said first diagonal rod (4) being inclined with respect to said first upright (2), said second diagonal rod (4 ') being connected at one end to said second upright (2 ') and at the other end to said connecting rod (6), and said second diagonal rod (4 ') being inclined with respect to said second upright (2 '), said first diagonal rod (4) and said second diagonal rod (4 ') being symmetrical with respect to each other,
the two longitudinal beams (1) are respectively connected with the upper end parts of all the first upright columns (2) or the upper end parts of all the second upright columns (2'),
each first steel bar supporting piece (7) is vertically erected on the connecting rod (6),
the two second steel bar supporting pieces (8) are vertically erected on the connecting rod (6) respectively, one of the second steel bar supporting pieces (8) is connected with the lower end part of each first inclined rod (4), and the other second steel bar supporting piece (8) is connected with the lower end part of each second inclined rod (4').
3. The rack for binding the reinforcement cage of the web plate of the bottom plate of the prefabricated box girder as claimed in claim 1 or 2, wherein: each third steel bar supporting part (10) in a comb-shaped structure comprises a handheld part (103) and a plurality of parallel steel bar supporting rods (101), wherein the handheld part (103) is perpendicular to the plurality of steel bar supporting rods (101) and is connected with one end of the plurality of steel bar supporting rods (101).
4. The rack for binding the reinforcement cage of the web plate of the bottom plate of the prefabricated box girder according to claim 3, wherein: each third steel bar supporting part (10) further comprises a limiting reinforcing rib (102), the limiting reinforcing rib (102) is vertically connected with the plurality of steel bar supporting rods (101), and the limiting reinforcing rib (102) is parallel to the handheld part (103).
5. The rack for binding the reinforcement cage of the web plate of the bottom plate of the prefabricated box girder according to claim 3, wherein: a plurality of the reinforcing bar supporting rods (101) of each of the third reinforcing bar supporting members (10) are arranged at a predetermined interval.
6. The rack for binding the reinforcement cage of the web plate of the bottom plate of the prefabricated box girder according to claim 2, wherein: a plurality of reinforcing steel bar supporting rod positioning parts (3) are respectively arranged on a first upright post (2), a second upright post (2 '), a first inclined rod (4) and a second inclined rod (4') of each bracket unit, the reinforcing steel bar supporting rod positioning parts (3) on the first upright post (2) are aligned with the reinforcing steel bar supporting rod positioning parts (3) on the first inclined rod (4) so as to jointly position and support one third reinforcing steel bar supporting piece (10), and the reinforcing steel bar supporting rod positioning parts (3) on the second upright post (2 ') are aligned with the reinforcing steel bar supporting rod positioning parts (3) on the second inclined rod (4') so as to jointly position and support the other third reinforcing steel bar supporting piece (10).
7. The rack for binding the reinforcement cage of the web plate of the bottom plate of the prefabricated box girder according to claim 6, wherein: the reinforcing bar supporting rod positioning part (3) is a hollow pipe member welded and fixed on the first upright post (2), the second upright post (2 '), the first diagonal rod (4) and the second diagonal rod (4'), and the inner diameter of the hollow pipe member is larger than the outer diameter of the reinforcing bar supporting rod (101).
8. The rack for binding the reinforcement cage of the web plate of the bottom plate of the prefabricated box girder according to claim 2, wherein: the rack is further provided with two groups of prestressed corrugated pipe positioning members (5), each group of prestressed corrugated pipe positioning members (5) are respectively connected with a plurality of first inclined rods (4) or a plurality of second inclined rods (4') which are positioned on the same side, and the bottom of each prestressed corrugated pipe positioning member (5) is flush with the bottom of each prestressed corrugated pipe.
CN202010688722.6A 2020-07-16 2020-07-16 Rack for binding prefabricated box girder bottom plate web steel reinforcement frameworks Pending CN111890549A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010688722.6A CN111890549A (en) 2020-07-16 2020-07-16 Rack for binding prefabricated box girder bottom plate web steel reinforcement frameworks

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010688722.6A CN111890549A (en) 2020-07-16 2020-07-16 Rack for binding prefabricated box girder bottom plate web steel reinforcement frameworks

Publications (1)

Publication Number Publication Date
CN111890549A true CN111890549A (en) 2020-11-06

Family

ID=73191054

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010688722.6A Pending CN111890549A (en) 2020-07-16 2020-07-16 Rack for binding prefabricated box girder bottom plate web steel reinforcement frameworks

Country Status (1)

Country Link
CN (1) CN111890549A (en)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104002377A (en) * 2014-06-12 2014-08-27 中铁五局(集团)有限公司 Steel bar binding and corrugated pipe locating device for precasting box girder
CN104842449A (en) * 2015-05-17 2015-08-19 天津第一市政公路工程有限公司 Detachable stationary type steel reinforcement framework binding pedestal and assembly and use method thereof
CN206493422U (en) * 2017-02-03 2017-09-15 中建八局第一建设有限公司 A kind of prefabricated case beam reinforcing steel bar-binding bench frame
CN206796168U (en) * 2017-03-20 2017-12-26 中建五局土木工程有限公司 The complete erecting device of prefabricated case beam reinforcing bar is used in construction
CN208557899U (en) * 2018-06-09 2019-03-01 中交一航局第一工程有限公司 A kind of general-purpose type precast box beam steel bar colligation moulding bed
CN109483726A (en) * 2018-12-13 2019-03-19 宁波交通工程建设集团有限公司 Prefabricated case beam tie with reinforcing bar hydraulic pressure die-shelf and construction method
CN111660430A (en) * 2020-06-12 2020-09-15 中建华东投资有限公司 Novel box girder steel reinforcement framework binding rack
CN212288134U (en) * 2020-05-05 2021-01-05 中铁十一局集团第一工程有限公司 Prefabricated case roof beam bottom web steel bar ligature bed-jig

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104002377A (en) * 2014-06-12 2014-08-27 中铁五局(集团)有限公司 Steel bar binding and corrugated pipe locating device for precasting box girder
CN104842449A (en) * 2015-05-17 2015-08-19 天津第一市政公路工程有限公司 Detachable stationary type steel reinforcement framework binding pedestal and assembly and use method thereof
CN206493422U (en) * 2017-02-03 2017-09-15 中建八局第一建设有限公司 A kind of prefabricated case beam reinforcing steel bar-binding bench frame
CN206796168U (en) * 2017-03-20 2017-12-26 中建五局土木工程有限公司 The complete erecting device of prefabricated case beam reinforcing bar is used in construction
CN208557899U (en) * 2018-06-09 2019-03-01 中交一航局第一工程有限公司 A kind of general-purpose type precast box beam steel bar colligation moulding bed
CN109483726A (en) * 2018-12-13 2019-03-19 宁波交通工程建设集团有限公司 Prefabricated case beam tie with reinforcing bar hydraulic pressure die-shelf and construction method
CN212288134U (en) * 2020-05-05 2021-01-05 中铁十一局集团第一工程有限公司 Prefabricated case roof beam bottom web steel bar ligature bed-jig
CN111660430A (en) * 2020-06-12 2020-09-15 中建华东投资有限公司 Novel box girder steel reinforcement framework binding rack

Similar Documents

Publication Publication Date Title
CN103410102A (en) H-shaped double column pier wide-bridge-surface cantilever temporary consolidation structure and construction method thereof
CN212919870U (en) Rack for binding prefabricated box girder bottom plate web steel reinforcement frameworks
CN208052253U (en) A kind of positioning moulding bed prefabricated for T beam web reinforced frames
CN111890549A (en) Rack for binding prefabricated box girder bottom plate web steel reinforcement frameworks
CN209741674U (en) Civil engineering cement pouring device
CN202766974U (en) Bent cap bearing frame without full framing
CN208202602U (en) Beam string construction temporary support structure
CN212000638U (en) Overhead cover beam type steel supporting structure
CN109469083B (en) Foundation beam reinforcement cage assembling system and construction method thereof
CN111501531A (en) Construction method of V-shaped thin-wall pier and 0# block main beam supporting system
CN210880205U (en) Movable common steel bar positioning device for prefabricated T-shaped beam and small box girder
CN216129988U (en) Assembling pushing beam falling support for pushing steel box beam of overpass bridge
CN215106610U (en) Side wall reinforcing bar row spacing and protective layer thickness control device
CN114054647A (en) Rack for binding steel reinforcement framework on top plate of prefabricated box girder
CN215052129U (en) Guardrail steel bar positioning device
CN214658788U (en) Retractable's concrete floor formwork structure
CN216782230U (en) Prefabricated pi roof beam reinforcement bed-jig
CN216920678U (en) Supporting structure of large rockery
CN209924121U (en) Independent supporting structure for assembly type building construction
CN215947912U (en) Cast-in-place case roof beam of mountain area topography back-pulls back pressure support
CN214082057U (en) Whole ligature device of prefabricated case roof beam reinforcing bar
CN215052133U (en) Steel case roof beam is alternately construction supporting structure from top to bottom
CN212129839U (en) Steel pipe reinforcing column structure
CN212956151U (en) Cast-in-place beam flange plate template system
CN210086062U (en) Convenient cast-in-place case roof beam of adjusting pours support frame

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination