CN112502050A - Overwater construction platform for river-crossing bridge cast-in-place box girder and erection method thereof - Google Patents
Overwater construction platform for river-crossing bridge cast-in-place box girder and erection method thereof Download PDFInfo
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- CN112502050A CN112502050A CN202011552847.2A CN202011552847A CN112502050A CN 112502050 A CN112502050 A CN 112502050A CN 202011552847 A CN202011552847 A CN 202011552847A CN 112502050 A CN112502050 A CN 112502050A
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- 238000010276 construction Methods 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims abstract description 10
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 134
- 239000010959 steel Substances 0.000 claims abstract description 134
- 244000035744 Hura crepitans Species 0.000 claims abstract description 30
- 238000009826 distribution Methods 0.000 claims abstract description 17
- 230000002787 reinforcement Effects 0.000 claims description 11
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 9
- 239000004567 concrete Substances 0.000 claims description 7
- 230000001681 protective effect Effects 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 5
- 238000005520 cutting process Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 2
- 239000002023 wood Substances 0.000 claims description 2
- 239000002131 composite material Substances 0.000 abstract description 5
- 238000004080 punching Methods 0.000 abstract description 2
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 230000006378 damage Effects 0.000 description 2
- 238000009415 formwork Methods 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
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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
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
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- Engineering & Computer Science (AREA)
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- Mechanical Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention belongs to the technical field of building facilities, and particularly relates to an overwater construction platform for a river-crossing bridge cast-in-place box girder and an erection method thereof; the steel pipe pile comprises pier column groups arranged along the length direction, wherein each pier column group is provided with two pier columns, the two pier columns are connected, a hoop base is arranged on the width-variable surface of each pier column, a hoop is arranged at the top of the hoop base, a sand box is arranged at the top of the hoop, a steel pipe pile is arranged between each two of the pier column groups, adjacent steel pipe piles are connected by steel pipes, 4-spliced 45 a-shaped I steel is embedded into the steel pipe piles, a sand box is arranged at the top of the 4-spliced 45 a-shaped I steel, a three-spliced I45a I-shaped steel cross beam is arranged at the top of the sand box, an I45a I-shaped steel longitudinal distribution beam is arranged at the top of the three-spliced I45a I-shaped steel cross beam, an I14I-shaped steel cross beam is arranged on the I45a I-shaped steel; compared with the traditional composite support, the punching rod is more reasonable in design, and the support system is more stable and reliable.
Description
Technical Field
The invention belongs to the technical field of building facilities, and particularly relates to an overwater construction platform for a river-crossing bridge cast-in-place box girder and an erection method thereof.
Background
In the existing bridge construction, a cast-in-place common reinforced concrete continuous box girder is adopted as a bridge upper structure, and the box girder adopts a constant-section inclined web single-box three-chamber section; the bridge pier adopts a double-column pier, and the bridge abutment adopts a column type platform and a wall type platform; the foundation adopts a bored pile foundation, the pile top is provided with a transverse tie beam, the construction of a cast-in-place box girder needs to be carried out on the water surface, the construction in the water body is environment-friendly, the water conservation requirement is strict, the construction standard is high, and in order to ensure the smooth construction of the cast-in-place box girder, the overwater bridge is constructed by adopting an overwater cast-in-place box girder composite bracket system of a hoop, a steel pipe pile, an I45a I-shaped steel beam, an I45a I-shaped steel longitudinal beam and an I14I-.
Disclosure of Invention
The invention aims to provide an overwater construction platform for a river-crossing bridge cast-in-place box girder, which is more reasonable in design and more stable and reliable in support system compared with a core-through rod adopted by a traditional composite support.
In order to solve the technical problems, the invention adopts the following technical scheme:
a water construction platform for a river-crossing bridge cast-in-place box girder comprises pier column groups arranged in the length direction, each pier column group is provided with two pier columns which are connected, a hoop base is arranged on a pier column widening surface, a hoop is arranged at the top of the hoop base, a sand box is arranged at the top of the hoop, a steel pipe pile is arranged between each pier column group, adjacent steel pipe piles are connected through steel pipes, 4 spliced 45a type I steel is embedded into each steel pipe pile, a sand box is arranged at the top of the 4 spliced 45a type I steel, a three-spliced I45a I-steel cross beam is arranged at the top of the sand box, an I45a I-steel longitudinal distribution beam is arranged at the top of a three-spliced I45 2I-steel cross beam, an I14I-steel cross beam is arranged on an I45a I-steel longitudinal distribution beam, a square longitudinal beam is arranged at the top of an I14I-steel cross beam.
Furthermore, guard rails are arranged on two sides in the length direction, the height of each guard rail is 1.5m, three layers are arranged, and the distance between every two layers is 0.5 m.
Furthermore, four sand boxes are uniformly distributed on the top of each hoop in the circumferential direction.
Furthermore, bracket steel plates are welded at the joints of the I-shaped steel beam and the sand box which are spliced together by three, namely I45a, the sand box and the hoop, and the I-shaped steel and the steel pipe pile which are spliced together by 4 and are spliced by 45 a.
Further, four hoops are arranged on each hoop of the bracket steel plate, and four sand boxes are arranged on each sand box.
Further, the hoop base and the hoop are both composed of two semicircular units, and the two semicircular units are both connected through bolts.
Furthermore, each I-steel of the I45a I-steel longitudinal distribution beam and the I14I-steel cross beam is fixed by a continuous E-shaped clamp, and the E-shaped clamps are arranged in a quincunx shape.
Further, the vertical pier column reinforcement cage 5cm below the widening face is horizontally inserted with phi 32 reinforcing steel bars which are the same as main pier column reinforcements, the reinforcing steel bars are horizontally and uniformly arranged around the reinforcement cage, and the distance between every two layers of horizontal circumferential reinforcing steel bars is 20cm until the top of a pier column tie beam.
Compared with the prior art, the invention has at least one of the following beneficial effects:
1. the pier column is processed, the pier column widening surface is arranged, the vertical pier column reinforcement cage which is 5cm below the widening surface is horizontally inserted into the phi 32 reinforcement steel bars which are the same as main pier column reinforcements, the reinforcement steel bars are horizontally and uniformly arranged around the reinforcement cage, the distance between every two layers of horizontal circumferential reinforcement steel bars is 20cm until reaching the top of a pier column tie beam, the stress of a support system and the stability of an anchoring point are ensured, and the pier column is effectively protected from being damaged during the construction of a cast-in-place box beam.
2. Be provided with the staple bolt, it is more reasonable than the design of the excellent of punching that traditional composite support adopted, the support system is more firm reliable.
3. The steel pipe pile top adopts the enhancement cross arm of four spelling worker I45a shaped steel preparation, strengthens in the cross arm direct embedding steel pipe pile to adopt bracket steel sheet welding to strengthen between enhancement cross arm and steel pipe pile, with this increase the area of contact between distributive girder shaped steel and the steel pipe pile, reduce the destruction of structure horizontal direction atress to steel pipe pile pipe wall.
4. Each I-steel of the I45a I-steel longitudinal distribution beam and the I14I-steel cross beam is fixed by a continuous E-shaped clamp, the E-shaped clamps are arranged in a quincunx shape, the accurate positioning of the I-steel is guaranteed, a good foundation is laid for the accurate positioning of the upper full-space support, a steel plate does not need to be fully laid, and the cost is greatly saved.
Drawings
FIG. 1 is a cross-sectional view of the present invention.
FIG. 2 is a longitudinal cross-sectional view of the present invention.
Fig. 3 is a schematic view of the structure of the hoop base.
Fig. 4 is an installation diagram of an I45a I-steel longitudinal distribution beam and an E-shaped clamp.
In the figure, 1-pier stud, 2-hoop base, 3-hoop, 4-sand box, 5-steel pipe pile, 6-4 spliced 45a type I steel, 7-three spliced I45a I steel cross beam, 8-I45a I steel longitudinal distribution beam, 9-I14I steel cross beam, 10-square timber longitudinal beam, 11-template, 12-guard rail, 13-bracket steel plate, 14-bolt and 15-E type card.
Detailed Description
As shown in fig. 1 to 4, in order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
An overwater construction platform for a cross-river bridge cast-in-place box girder comprises pier column groups arranged along the length direction, wherein each pier column group is provided with two pier columns 1, the two pier columns 1 are connected, the widening surfaces of the pier columns 1 are provided with hoop bases 2, the tops of the hoop bases 2 are provided with hoop 3, the tops of the hoop 3 are provided with sand boxes 4, steel pipe piles 5 are arranged between the pier column groups, 4 spliced 45 a-shaped I-steel 6 are embedded in the pile 5, the tops of the 4 spliced 45 a-shaped I-steel 6 are provided with the sand boxes 4, the tops of the sand boxes 4 are provided with three spliced I45a I-steel crossbeams 7, the tops of the three spliced I45a I-steel crossbeams 7 are provided with I45a I-steel longitudinal distribution beams 8, the I45a I-steel longitudinal distribution beams 8 are provided with I14I-steel crossbeams 9, the tops of the I14I-steel crossbeams 9 are provided with square timber longitudinal beams 10, the tops of the square timber longitudinal beams 10 are provided with formworks 11, the bracket system is more stable and reliable.
Example 2
On the basis of embodiment 1, be provided with protection railing 12 along length direction both sides, protection railing 12 is 1.5m high to be provided with the three-layer altogether, every interlamellar interval is 0.5m, increases the security.
Example 3
On the basis of embodiment 1, four sand boxes 4 are uniformly arranged on the top of each hoop 3 in the circumferential direction, so that the stability is improved, and a U-shaped steel bar hanging ring with the diameter of 12mm is welded on each of two sides of a base steel pipe of each sand box 4, so that the hoisting of a crane is facilitated.
Example 4
On the basis of the embodiment 1, bracket steel plates 13 are welded at the joints of the I-shaped steel beam 7, the sand box 4, the hoops 3, the I-shaped steel 6 and the steel pipe piles 5, wherein the I-shaped steel beam is spliced three times, the hoops 4 are spliced 45a type I-shaped steel 6 and the steel pipe piles 5, four hoops 3 are arranged on each bracket steel plate 13, and four sand boxes 4 are arranged on each sand box, so that the contact area between the distribution beam section steel and the steel pipe piles 5 is enlarged, and the damage of the stress of the structure in the horizontal direction to the pipe walls.
Example 5
On the basis of embodiment 1, staple bolt base 2 and staple bolt 3 constitute by two semicircular units to two semicircular units are connected by bolt 14, set up staple bolt base 2 according to the net height of difference, increase the practicality.
Example 6
On the basis of the embodiment 1, each I-steel of the I45a I-steel longitudinal distribution beam 8 and the I14I-steel cross beam 9 is fixed by the continuous E-shaped clamp 15, the E-shaped clamp 15 is arranged in a quincunx manner, the accurate positioning of the I-steel is guaranteed, a good foundation is laid for the accurate positioning of the upper full-space support, a steel plate does not need to be fully paved, and the cost is greatly saved.
Example 7
On the basis of embodiment 1, perpendicular pier stud 1 steel reinforcement cage level of 5cm below the widen face inserts the phi 32 reinforcing bar the same with pier stud 1 owner muscle, and the reinforcing bar evenly arranges around the steel reinforcement cage level, and every layer of horizontal hoop reinforcing bar interval 20cm, up to pier stud 1 tie beam top, guarantees the firm of support system atress and anchor point, has still effectively protected the pier stud not destroyed when cast-in-place box beam construction.
Example 8
An overwater construction platform for a river-crossing bridge cast-in-place box girder and an erection method thereof,
the method comprises the following steps: variable cross section treatment during pouring of pier stud 1, wherein the concrete strength of each pier stud 1 reaches 100 percent, steel pipe piles are installed by adopting a vibration hammer pile sinking construction method, 4 pieces of 45 a-shaped I-steel 6 are installed, a hoop base is installed, a hoop 3 is installed, a sand box is installed, a cross arm three-piece I45a I-shaped steel cross beam 7 is installed, an I45a I-shaped steel longitudinal distribution beam 8 is erected, an I14I-shaped steel cross beam 9 is erected, a square wood longitudinal beam 10 is laid, a template 11 is installed, a top protective railing 12 and a protective net are erected, the elevation is adjusted, 1.2 times of overload prepressing, the bottom plate and the web steel bar are unloaded, the core die is installed, a top plate steel bar is installed, the top plate concrete is poured, the strength of the health preserving concrete reaches 100 percent, the formwork is removed, the section steel is disassembled, the hoop and, Hooping to the next link, and arranging the steel pipe piles in the overwater cast-in-place box girder composite support system by adopting a vibration pipe sinking method, so that the mechanization degree and the construction efficiency are improved, and the construction progress is greatly accelerated; the I45a longitudinal distribution beam and the transverse I14I-shaped steel adopt continuous E-shaped clamps to carry out accurate fixing positions, accurate positioning and erection of the upper full-space support are guaranteed, full-spread steel plates are not needed, erection and disassembly are flexible and convenient, cost is greatly saved, all materials can be recycled, and good economic benefits are achieved.
Example 9
On the basis of the embodiment 8, the hoop 3 is an inverted cone, the diameter of the bottom of the hoop is basically the same as that of the pier stud 1, the diameter of the top of the hoop is 60cm larger than that of the pier stud 1, the hoop is a fulcrum of a support system and an erection platform, and the total height of the hoop is 50 cm; the specific manufacturing method comprises the following steps: the anchor ear 3 is made of Q235 steel plates with the thickness of 16mm, firstly, the steel plates with the width of 46.8cm are rolled into cylinders with the diameter same as that of the pier stud 1, then the cylinders are cut into two semicircular shapes along the radial direction, the cut edges are welded into connecting plates by the steel plates, and bolt holes are reserved on the connecting plates; secondly, welding 13 bracket steel plates with 16mm steel plates in the vertical radial direction of the cutting line, welding 22 vertical stiffening plates, uniformly arranging the vertical stiffening plates along the hoop 3, and arranging 8 horizontal stiffening plates at the connecting plate; and finally, manufacturing two circular rings with the inner diameter the same as that of the pier stud 1 by using steel plates, wherein the outer diameter of the circular ring at the top of the hoop 3 is 60cm larger than that of the pier stud 1, the outer diameter of the circular ring at the bottom of the hoop 3 is 10cm larger than that of the pier stud 1, the circular rings are radially cut into semi-circles, the circular cylinders and the stiffening plates are welded together corresponding to radial cutting seams, the hoop base 2 is also manufactured by using Q235 steel plates with the thickness of 16mm, the diameter of each circular cylinder is the same as that of the pier stud 1, the outer diameters of the upper circular ring and the lower circular ring of the base are 10cm larger than that of the pier stud 1, the circular rings correspond to the bottom of the hoop 3. The height of the hoop base 2 is divided into 5cm and 10cm, and different hoop bases 2 are overlapped and combined according to different net heights of each span, so that the purpose of adjusting the elevation of the top surface of the hoop 3 is achieved.
Although the invention has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this disclosure. More specifically, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, the drawings and the appended claims. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.
Claims (10)
1. The utility model provides a construction platform on water for crossing cast-in-place box girder of river bridge which characterized in that: including the pier column group that sets up along length direction, two pier columns (1) are set up to every pier column group, two pier column (1) are connected, be provided with staple bolt base (2) on pier column (1) the face of widening, staple bolt base (2) top is provided with staple bolt (3), staple bolt (3) top is provided with sand box (4), be provided with steel-pipe pile (5) between every pier column group, it is provided with 4 pieces together 45a type I steel (6) to embed in steel-pipe pile (5), 4 pieces together 45a type I steel (6) top is provided with sand box (4), sand box (4) top is provided with three pieces together I45a I steel crossbeam (7), three pieces together I45a I steel crossbeam (7) top is provided with the vertical distribution roof beam (8) of I45a I steel, be provided with I14I steel crossbeam (9) on the vertical distribution roof beam (8) of I45a I steel, I14I steel crossbeam (9) top is provided with square timber longeron (10), square timber longeron (10) top is provided with template.
2. The overwater construction platform for the river-crossing bridge cast-in-place box girder as claimed in claim 1, wherein: the guardrail comprises a guardrail body and is characterized in that protective railings (12) are arranged on two sides in the length direction, the height of each protective railing (12) is 1.5m, three layers are arranged, and the distance between every two layers is 0.5 m.
3. The overwater construction platform for the river-crossing bridge cast-in-place box girder as claimed in claim 1, wherein: four sand boxes (4) are uniformly arranged on the top of each anchor ear (3) in the circumferential direction, and a U-shaped steel bar hanging ring with the diameter of 12mm is welded on each of the two sides of a base steel pipe of each sand box (4) so as to facilitate the hoisting of a crane.
4. The overwater construction platform for the river-crossing bridge cast-in-place box girder as claimed in claim 1, wherein: bracket steel plates (13) are welded at the joints of the I-shaped steel beam (7) and the sand box (4) spliced together, I45a, the sand box (4) and the hoop (3), and the I-shaped steel (6) spliced together and the steel pipe pile (5) spliced together.
5. The above-water construction platform for the cast-in-place box girder across the river bridge according to claim 4, characterized in that: four hoops (3) are arranged on each bracket steel plate (13), and four sand boxes (4) are arranged on each sand box.
6. The overwater construction platform for the river-crossing bridge cast-in-place box girder as claimed in claim 1, wherein: the hoop base (2) and the hoop (3) are both composed of two semicircular units, and the two semicircular units are connected through bolts (14).
7. The overwater construction platform for the river-crossing bridge cast-in-place box girder as claimed in claim 1, wherein: each I-steel of the I45a I-steel longitudinal distribution beam (8) and the I14I-steel cross beam (9) is fixed by a continuous E-shaped clamp (15), and the E-shaped clamp (15) is arranged in a quincunx shape.
8. The overwater construction platform for the river-crossing bridge cast-in-place box girder as claimed in claim 1, wherein: the vertical pier column (1) reinforcement cage of 5cm below the widening surface is horizontally inserted into phi 32 reinforcing steel bars which are the same as main reinforcements of the pier column (1), the reinforcing steel bars are horizontally and uniformly arranged around the reinforcement cage, and the distance between every two layers of horizontal circumferential reinforcing steel bars is 20cm until the top of a beam of the pier column (1).
9. An overwater construction platform for a river-crossing bridge cast-in-place box girder and an erection method thereof are characterized in that:
the method comprises the following steps: variable cross section treatment during pouring of pier columns (1), the concrete strength of each pier column (1) reaches 100 percent, steel pipe piles (5) are installed by adopting a vibration hammer pile sinking construction method, 4 pieces of 45 a-shaped I-shaped steel (6) are installed, a hoop base (2) is installed, hoops (3) are installed, sand boxes (4) are installed, cross arm three pieces I45a I-shaped steel cross beams (7) are installed, I45a I-shaped steel longitudinal distribution beams (8) are erected, I14I-shaped steel cross beams (9) are erected, square wood longitudinal beams (10) are laid, templates (11) are erected, top protective railings (12) and protective nets are erected, elevation adjustment, 1.2 times of overload prepressing, unloading, bottom plates, web steel bar binding, core mould installation, top plate steel bars are installed, top plate concrete pouring is carried out, the health-preserving concrete strength reaches 100 percent, and the concrete strength is dropped, And disassembling the section steel, the hoop-transporting section steel and the hoop to the next unit.
10. The overwater construction platform for the river-crossing bridge cast-in-place box girder and the erection method thereof according to claim 9 are characterized in that: the hoop (3) is an inverted cone, the diameter of the bottom of the hoop is basically the same as that of the pier stud (1), the diameter of the top of the hoop is 60cm larger than that of the pier stud (1), the hoop is a fulcrum of a support system and an erection platform, and the total height of the hoop is 50 cm; the specific manufacturing method comprises the following steps: the anchor ear (3) is made of Q235 steel plates with the thickness of 16mm, firstly, the steel plates with the width of 46.8cm are rolled into cylinders with the diameter the same as that of the pier stud (1), then the cylinders are cut into two semicircular shapes along the radial direction, the cut edges are welded into a connecting plate by the steel plates, and bolt holes are reserved on the connecting plate; secondly, welding a corbel steel plate (13) by using a 16mm steel plate in the vertical radial direction of the cutting line, welding 22 vertical stiffening plates, uniformly arranging the vertical stiffening plates along the anchor ear (3), and arranging 8 horizontal stiffening plates at the connecting plate; and finally, manufacturing two circular rings with the inner diameters the same as the diameters of the pier studs (1) by using steel plates, wherein the outer diameter of the circular ring at the top of the hoop (3) is 60cm larger than the diameter of the pier stud (1), the outer diameter of the circular ring at the bottom of the hoop (3) is 10cm larger than the diameter of the pier stud (1), and the circular rings are all radially cut into semicircles and are welded with the cylinder and the stiffening plate together corresponding to the radial cutting seams.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011552847.2A CN112502050A (en) | 2020-12-24 | 2020-12-24 | Overwater construction platform for river-crossing bridge cast-in-place box girder and erection method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011552847.2A CN112502050A (en) | 2020-12-24 | 2020-12-24 | Overwater construction platform for river-crossing bridge cast-in-place box girder and erection method thereof |
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| Publication Number | Publication Date |
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| CN112502050A true CN112502050A (en) | 2021-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011552847.2A Pending CN112502050A (en) | 2020-12-24 | 2020-12-24 | Overwater construction platform for river-crossing bridge cast-in-place box girder and erection method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205000256U (en) * | 2015-09-15 | 2016-01-27 | 中交四航局第一工程有限公司 | Cast -in -place case roof beam of high mound of bridge construction support system |
| CN106592436A (en) * | 2016-12-15 | 2017-04-26 | 王勋 | Manufacturing method of tool mold plate for city bridges |
| CN108842628A (en) * | 2018-07-09 | 2018-11-20 | 广西长长路桥建设有限公司 | In conjunction with the construction method of anchor ear and the non-floor-bracket of Bailey beam cast-in-situ box girder |
| CN108999085A (en) * | 2018-07-20 | 2018-12-14 | 浙江交工宏途交通建设有限公司 | Sea area construction of cast-in-situ box-beam bracket and sea area construction of cast-in-situ box-beam method |
| CN208748534U (en) * | 2018-08-31 | 2019-04-16 | 中铁二十四局集团安徽工程有限公司 | A kind of concrete box girder cast-in-place construction anchor ear support frame |
-
2020
- 2020-12-24 CN CN202011552847.2A patent/CN112502050A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205000256U (en) * | 2015-09-15 | 2016-01-27 | 中交四航局第一工程有限公司 | Cast -in -place case roof beam of high mound of bridge construction support system |
| CN106592436A (en) * | 2016-12-15 | 2017-04-26 | 王勋 | Manufacturing method of tool mold plate for city bridges |
| CN108842628A (en) * | 2018-07-09 | 2018-11-20 | 广西长长路桥建设有限公司 | In conjunction with the construction method of anchor ear and the non-floor-bracket of Bailey beam cast-in-situ box girder |
| CN108999085A (en) * | 2018-07-20 | 2018-12-14 | 浙江交工宏途交通建设有限公司 | Sea area construction of cast-in-situ box-beam bracket and sea area construction of cast-in-situ box-beam method |
| CN208748534U (en) * | 2018-08-31 | 2019-04-16 | 中铁二十四局集团安徽工程有限公司 | A kind of concrete box girder cast-in-place construction anchor ear support frame |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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