CN114703883A - Support for V-shaped structure cast-in-place and construction method thereof - Google Patents
Support for V-shaped structure cast-in-place and construction method thereof Download PDFInfo
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- CN114703883A CN114703883A CN202210399619.9A CN202210399619A CN114703883A CN 114703883 A CN114703883 A CN 114703883A CN 202210399619 A CN202210399619 A CN 202210399619A CN 114703883 A CN114703883 A CN 114703883A
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- 238000010276 construction Methods 0.000 title claims abstract description 40
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 36
- 239000010959 steel Substances 0.000 claims abstract description 36
- 238000005728 strengthening Methods 0.000 claims abstract description 25
- 238000000034 method Methods 0.000 claims abstract description 20
- 230000003014 reinforcing effect Effects 0.000 claims description 25
- 229910000746 Structural steel Inorganic materials 0.000 claims description 9
- 240000004282 Grewia occidentalis Species 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 2
- 230000002787 reinforcement Effects 0.000 claims description 2
- 238000003466 welding Methods 0.000 claims 1
- 239000011435 rock Substances 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/10—Deep foundations
- E02D27/12—Pile foundations
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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
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/10—Deep foundations
- E02D27/12—Pile foundations
- E02D27/14—Pile framings, i.e. piles assembled to form the substructure
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/24—Prefabricated piles
- E02D5/28—Prefabricated piles made of steel or other metals
- E02D5/285—Prefabricated piles made of steel or other metals tubular, e.g. prefabricated from sheet pile elements
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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- Engineering & Computer Science (AREA)
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- Life Sciences & Earth Sciences (AREA)
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- Paleontology (AREA)
- General Engineering & Computer Science (AREA)
- Architecture (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention relates to the technical field of engineering construction, in particular to a support for V-shaped structure cast-in-place and a construction method thereof. The method comprises the following steps: s01: building a bearing platform and an arch support, and embedding a connecting steel plate; s02: installing a first-stage bracket and an upright post on the arch center, and building a concrete strengthening unit; s03: installing a second stage bracket on the first stage bracket, and expanding a concrete strengthening unit; s04: installing a third-stage bracket on the second-stage bracket, and expanding a concrete strengthening unit; s05: and installing a main beam on the bracket and the upright post in the third stage. The support for V-shaped cast-in-place and the construction method thereof have the advantages of reducing the construction difficulty, improving the stability and having lower cost, do not need to use rapping equipment to install the steel pipe pile, can be smoothly constructed even in a riverbed with a rock stratum, and reduce the construction difficulty; the problems of high construction difficulty, poor stability and high cost existing in the existing steel pipe pile foundation are solved, and the requirement of engineering construction is met.
Description
Technical Field
The invention relates to the technical field of engineering construction, in particular to a support for V-shaped structure cast-in-place and a construction method thereof.
Background
The V-shaped structure is generally referred to as a V-shaped rigid frame and is commonly used as a supporting foundation of bridge engineering. In the cast-in-place construction of the concrete with the V-shaped structure, a steel pipe pile foundation is generally used as a foundation of the whole support, and then a bearing support is erected on the steel pipe pile foundation. In the construction process of the steel pipe pile foundation, the steel pipe pile foundation needs to be matched with rapping equipment for construction, but to a construction area with complex geology, particularly under the condition that a riverbed is a rock stratum, the rapping difficulty is large, the steel pipe pile can hardly be constructed, the bearing capacity of the steel pipe pile can not meet the design requirement due to the other geological structure, the stability of the steel pipe pile is reduced, and the construction progress of the prior art is severely restricted by the geological factors.
In addition, for the construction area that the riverbed is too low, it is difficult to guarantee rated steel pipe pile depth of penetrating into the soil, in order to satisfy the atress requirement of design, the steel pipe pile needs increase length by a wide margin, and the increase of length can weaken the overall stability of support, has the potential safety hazard, and has increased the material expense of steel pipe pile, has prolonged the time limit for a project, leads to engineering cost higher, consequently needs a new support and construction method to solve prior art's not enough.
Disclosure of Invention
In order to overcome the technical defects of high construction difficulty, poor stability and high cost of the existing steel pipe pile foundation, the invention provides the support for V-structure cast-in-place and the construction method thereof, wherein the support is used for reducing the construction difficulty, improving the stability and lowering the cost.
In order to solve the problems, the invention is realized according to the following technical scheme:
the invention relates to a support construction method for V-shaped structure cast-in-place, which is characterized by comprising the following steps of:
s01: building a bearing platform and an arch support, and embedding a connecting steel plate;
s02: installing a first-stage bracket and an upright post on the arch center, and building a concrete strengthening unit;
s03: installing a second stage bracket on the first stage bracket, and expanding a concrete strengthening unit;
s04: installing a third-stage bracket on the second-stage bracket, and expanding a concrete strengthening unit;
s05: and installing a main beam on the bracket and the upright post in the third stage.
Building cushion cap and hunch seat, pre-buried connecting steel plate specifically is: building the bearing platform and the arch support through concrete construction, embedding connecting steel plates on the top surfaces of the bearing platform and the arch support, and then ensuring that the concrete bearing platform and the arch support are maintained in place.
Install first stage support and stand on the hunch seat, specifically do: the method comprises the steps of building and processing at least one first-stage support and an upright post, transporting the first-stage support and the upright post to the position of a floating crane by using a transport ship, transferring the first-stage support to an arch center by using the floating crane, fixing each first-stage support, the arch center and a pre-buried connecting steel plate, fixedly mounting the upright post on each first-stage support, unhooking the floating crane after the mounting is finished, binding structural steel bars on the first-stage support and the upright post, laying a template, pouring a reinforcing unit by using concrete, and ensuring that the reinforcing unit is maintained in place.
The first stage support is provided with a second stage support, and the method specifically comprises the following steps: the method comprises the steps of building and processing at least one second-stage support, transporting the second-stage support to a position of a floating crane by using a transport ship, transferring the second-stage support to a first-stage support by using the floating crane, fixing the second-stage support at a joint of an end of the first-stage support by using bolts, further fixing a welded joint, keeping the floating crane unhooked after fixing is completed, installing a counter-pull rod between an upright post and the second-stage support, unhooking the floating crane when the second-stage support is installed at two ends of the first-stage support, binding structural steel bars on the second-stage support and the upright post, laying templates, using concrete pouring reinforcing units, and ensuring that the reinforcing units are maintained in place.
The third stage bracket is arranged on the second stage bracket, and the third stage bracket specifically comprises: building and processing at least one third-stage support, transporting the third-stage support to the position of a floating crane by using a transport ship, transferring the third-stage support to the second-stage support by using the floating crane, fixing the third-stage support at the joint of the end of the second-stage support by using bolt connection, further fixing a welded joint, keeping the floating crane from unhooking after fixing is finished, installing a counter pull rod between an upright post and the third-stage support, unhooking the floating crane when the third-stage support is installed at both ends of the second-stage support, binding structural steel bars on the third-stage support and the upright post, laying templates, pouring a reinforcing unit by using concrete, embedding a connecting steel plate on the top surface of the reinforcing unit, and ensuring that the reinforcing unit is maintained in place.
Install the girder on third stage support and stand, specifically be: and a main beam is arranged on the third-stage support, and the main beam is fixedly connected with the third-stage support, the strengthening unit and the connecting steel plate pre-embedded in the strengthening unit.
The utility model provides a support for V constructs cast-in-place, includes cushion cap, hunch seat, first stage support, stand, intensive unit, second stage support, third stage support and girder, its characterized in that: the bearing platform is provided with an arch support, at least one first-stage support is fixedly arranged on the arch support at intervals, an upright post is fixedly arranged on the first-stage support, second-stage supports are fixedly arranged at two ends of the first-stage support respectively, the second-stage supports are fixedly connected with the upright post through a counter pull rod, a third-stage support is fixedly arranged at the end of each second-stage support respectively, the third-stage supports are fixedly connected with the upright post through counter pull rods, reinforcing units are arranged among the first-stage supports, the second-stage supports, the third-stage supports and the upright post, and main beams are fixedly arranged on the reinforcing units, the third-stage supports and the upright post.
The first stage support, the upright post, the second stage support and the third stage support are composed of supporting tubes and connecting tubes, the supporting tubes are arranged in a four-corner symmetrical mode, and the supporting tubes are fixedly connected through the connecting tubes.
The strengthening unit is in a V shape.
Compared with the prior art, the invention has the beneficial effects that:
the support for V-shaped cast-in-place and the construction method thereof have the advantages of reducing construction difficulty, improving stability and lowering cost, and the first-stage support, the second-stage support and the third-stage support are directly arranged on the bearing platform and the arch center, so that a steel pipe pile is not required to be arranged by using rapping equipment, and the construction can be smoothly carried out even on a riverbed with a rock stratum, thereby reducing the construction difficulty; according to the method, the first-stage support, the second-stage support and the third-stage support are connected and fixed through the upright posts and the opposite pull rods, the structural stability is kept through the concrete pouring strengthening unit, the ultra-long steel pipe piles are not needed, and the stability is good; in addition, this application need not to shake and beats work, has reduced the required material of use steel-pipe pile, and has simplified construction work, and the reduction of erection time has reduced engineering cost, has solved the problem that the construction degree of difficulty is big, poor stability and cost are higher that current steel pipe pile basis exists, has satisfied engineering construction's needs.
Drawings
Embodiments of the invention are described in further detail below with reference to the attached drawing figures, wherein:
FIG. 1 is a schematic flow diagram of the process of the present invention;
FIG. 2 is a first schematic diagram of step S02 according to the present invention;
FIG. 3 is a second schematic diagram of step S02 of the present invention;
FIG. 4 is a first schematic diagram of step S03 of the present invention;
FIG. 5 is a second schematic diagram of step S03 of the present invention;
FIG. 6 is a first schematic diagram of step S04 of the present invention;
FIG. 7 is a second schematic diagram of step S04 of the present invention;
FIG. 8 is a schematic diagram of step S05 of the present invention;
fig. 9 is a left side view of the present invention.
In the figure:
1. a bearing platform; 2. an arch support;
3. a first stage carriage; 301. supporting a tube; 302. a connecting pipe;
4. a column; 5. a reinforcement unit; 6. a second stage of support; 7. a third stage stent; 8. a main beam; 9. and (4) a pull rod.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
As shown in fig. 1 to 9, the method for constructing a support for V-frame cast-in-place according to the present invention comprises the following steps:
s01: building a bearing platform 1 and an arch support 2, and embedding a connecting steel plate;
specifically, building cushion cap 1 and hunch seat 2, pre-buried connecting steel plate, the embodiment is: building the bearing platform 1 and the arch springing 2 through concrete construction, embedding connecting steel plates on the top surfaces of the bearing platform 1 and the arch springing 2, and then ensuring that the concrete bearing platform 1 and the arch springing 2 are maintained in place.
S02: installing a first-stage bracket 3 and an upright post 4 on the arch center 2, and building a concrete strengthening unit 5;
specifically, the first-stage bracket 3 and the upright post 4 are mounted on the arch support 2, and the embodiment is as follows: at least one first-stage support 3 and at least one upright post 4 are built and processed, the first-stage support 3 and the upright post 4 are transported to the position of a floating crane by a transport ship, then the first-stage support 3 is transferred to an arch support 2 by the floating crane, each first-stage support 3, the arch support 2 and a pre-buried connecting steel plate are fixed, the upright post 4 is fixedly installed on each first-stage support 3, the floating crane is unhooked after installation is finished, structural steel bars are bound on the first-stage support 3 and the upright post 4, a template is laid, a reinforcing unit 5 is poured by concrete, and then the reinforcing unit 5 is ensured to be maintained in place.
S03: installing a second-stage bracket 6 on the first-stage bracket 3, and expanding a concrete strengthening unit 5;
specifically, the second-stage bracket 6 is mounted on the first-stage bracket 3, and the embodiment is as follows: at least one second-stage support 6 is built and processed, the second-stage support 6 is transported to the position of a floating crane by a transport ship, then the second-stage support 6 is transferred to the first-stage support 3 by the floating crane, the second-stage support 6 is fixed at the joint of the end of the first-stage support 3 by adopting bolt connection, a welded joint is further fixed, the floating crane is kept not to be unhooked after the fixing is finished, a pair of pull rods 9 are installed between the upright post 4 and the second-stage support 6, when the second-stage support 6 is installed at both ends of the first-stage support 3, the floating crane is unhooked, structural steel bars are bound on the second-stage support 6 and the upright post 4, templates are laid, a reinforcing unit 5 is poured by concrete, and then the reinforcing unit 5 is ensured to be maintained in place.
S04: installing a third-stage bracket 7 on the second-stage bracket 6, and expanding the concrete strengthening unit 5;
specifically, the third-stage bracket 7 is mounted on the second-stage bracket 6, and the embodiment is as follows: at least one third-stage support 7 is built and processed, the third-stage support 7 is transported to the position of a floating crane by a transport ship, then the third-stage support 7 is transferred to the second-stage support 6 by the floating crane, the third-stage support 7 is fixed at the joint of the end of the second-stage support 6 by adopting bolt connection, a welded joint is further fixed, the floating crane is kept not to be unhooked after the fixing is finished, a pair of pull rods 9 are installed between the upright post 4 and the third-stage support 7, when the third-stage support 7 is installed at both ends of the second-stage support 6, the floating crane is unhooked, structural steel bars are bound on the third-stage support 7 and the upright post 4, templates are laid, a reinforcing unit 5 is poured by concrete, a connecting steel plate is embedded in the top surface of the reinforcing unit 5, and then the reinforcing unit 5 is ensured to be maintained in place.
S05: and a main beam 8 is arranged on the third-stage bracket 7 and the upright post 4.
Specifically, the main beam 8 is installed on the third stage bracket 7 and the upright post 4, and the embodiment is as follows: and installing a main beam 8 on the third-stage support 7, and fixedly connecting the main beam 8 with the third-stage support 7, the strengthening unit 5 and the connecting steel plates pre-embedded in the strengthening unit 5.
The invention relates to a support for V-shaped structure cast-in-place, which comprises a bearing platform 1, an arch base 2, first-stage supports 3, upright posts 4, a strengthening unit 5, second-stage supports 6, third-stage supports 7 and a main beam 8, wherein the arch base 2 is arranged on the bearing platform 1, at least one first-stage support 3 is fixedly arranged on the arch base 2 at intervals, the upright posts 4 are fixedly arranged on the first-stage supports 3, the second-stage supports 6 are fixedly arranged at two ends of each first-stage support 3, the second-stage supports 6 are fixedly connected with the upright posts 4 through tie rods 9, the third-stage supports 7 are fixedly arranged at ends of the second-stage supports 6, and the third-stage supports 7 are fixedly connected with the upright posts 4 through the tie rods 9.
The first stage bracket 3, the upright post 4, the second stage bracket 6 and the third stage bracket 7 are composed of support pipes 301 and connecting pipes 302, the support pipes 301 are arranged in a four-corner symmetrical manner, and the support pipes 301 are fixedly connected through the connecting pipes 302. Strengthening units 5 are arranged between the first-stage support 3, the second-stage support 6, the third-stage support 7 and the upright post 4, specifically, the strengthening units 5 are V-shaped, and main beams 8 are fixedly arranged on the strengthening units 5, the third-stage support 7 and the upright post 4.
The support for V-shaped cast-in-place and the construction method thereof have the advantages of reducing construction difficulty, improving stability and having lower cost, and the first-stage support 3, the second-stage support 6 and the third-stage support 7 are directly arranged on the bearing platform 1 and the arch support 2, so that a rapping device is not needed to be used for installing the steel pipe pile, even if the river bed with the rock stratum can be smoothly constructed, and the construction difficulty is reduced; according to the concrete pouring type support, the first-stage support 3, the second-stage support 6 and the third-stage support 7 are connected and fixed through the upright posts 4 and the opposite pull rods 9, the structural stability is kept through the concrete pouring strengthening units 5, and the ultra-long steel pipe piles are not needed, so that the support has good stability; in addition, this application need not to shake and beats work, has reduced the required material of use steel-pipe pile, and has simplified construction work, and the reduction of erection time has reduced engineering cost, has solved the problem that the construction degree of difficulty is big, poor stability and cost are higher that current steel pipe pile basis exists, has satisfied engineering construction's needs.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, so that any modification, equivalent change and modification made to the above embodiment according to the technical spirit of the present invention are within the scope of the technical solution of the present invention.
Claims (9)
1. A support construction method for V-shaped structure cast-in-place is characterized by comprising the following steps:
s01: building a bearing platform (1) and an arch support (2), and embedding a connecting steel plate;
s02: installing a first-stage bracket (3) and an upright post (4) on the arch center (2), and building a concrete strengthening unit (5);
s03: installing a second-stage bracket (6) on the first-stage bracket (3) and expanding a concrete strengthening unit (5);
s04: installing a third-stage bracket (7) on the second-stage bracket (6) and expanding the concrete strengthening unit (5);
s05: and a main beam (8) is arranged on the third stage bracket (7) and the upright post (4).
2. The method for constructing the support for V-shaped cast-in-place according to claim 1, wherein the method comprises the following steps: building cushion cap (1) and hunch seat (2), pre-buried connecting steel plate specifically is: building the bearing platform (1) and the arch support (2) through concrete construction, embedding connecting steel plates on the top surfaces of the bearing platform (1) and the arch support (2), and then ensuring that the concrete bearing platform (1) and the arch support (2) are maintained in place.
3. The method for constructing the support for V-shaped cast-in-place according to claim 1, wherein the method comprises the following steps: install first stage support (3) and stand (4) on hunch seat (2), specifically do: at least one first-stage support (3) and at least one upright post (4) are built and processed, the first-stage support (3) and the upright post (4) are transported to the position of a floating crane by a transport ship, then the first-stage support (3) is transferred to an arch support (2) by the floating crane, each first-stage support (3) is fixed with the arch support (2), the upright post (4) is fixedly installed on each first-stage support (3), the floating crane is unhooked after installation is completed, structural steel bars are bound on the first-stage support (3) and the upright post (4), a template is laid, a reinforcing unit (5) is poured by using concrete, and then the reinforcing unit (5) is ensured to be maintained in place.
4. The method for constructing the support for V-shaped cast-in-place according to claim 1, wherein the method comprises the following steps: the second stage bracket (6) is arranged on the first stage bracket (3), and the method specifically comprises the following steps: building and processing at least one second-stage support (6), transporting the second-stage support (6) to the position of a floating crane by using a transport ship, transferring the second-stage support (6) to the first-stage support (3) by using the floating crane, fixing the second-stage support (6) at the joint of the end of the first-stage support (3) by using a bolt connection, further fixing a welded joint, keeping the floating crane from unhooking after fixing is finished, installing a counter-pull rod (9) between the upright post (4) and the second-stage support (6), unhooking the floating crane when the second-stage support (6) is installed at both ends of the first-stage support (3), binding structural steel bars and laying templates on the second-stage support (6) and the upright post (4), pouring a reinforcing unit (5) by using concrete, and then ensuring that the reinforcing unit (5) is maintained in place.
5. The method for constructing the support for V-shaped cast-in-place according to claim 1, wherein the method comprises the following steps: the third stage bracket (7) is arranged on the second stage bracket (6), and the method specifically comprises the following steps: building and processing at least one third-stage bracket (7), transporting the third-stage bracket (7) to the position of a floating crane by using a transport ship, transferring the third-stage bracket (7) to a second-stage bracket (6) by using the floating crane, fixing the third-stage bracket (7) at the joint of the end of the second-stage bracket (6) by using bolt connection, further fixing a welding seam, keeping the floating crane from unhooking after fixing, installing a counter-pull rod (9) between an upright post (4) and the third-stage bracket (7), unhooking the floating crane when the third-stage bracket (7) is installed at both ends of the second-stage bracket (6), binding structural steel bars and laying templates on the third-stage bracket (7) and the upright post (4), pouring a reinforcing unit (5) by using concrete, and connecting steel plates on the top surface of the reinforcing unit (5) in an embedded manner, then the reinforcement unit (5) is ensured to be maintained in place.
6. The method for constructing the support for V-shaped cast-in-place according to claim 1, wherein the method comprises the following steps: install girder (8) on third stage support (7) and stand (4), specifically be: and (3) installing a main beam (8) on the third-stage support (7), and fixedly connecting the main beam (8) with the third-stage support (7) and the strengthening unit (5).
7. A support for V-shaped framework cast-in-place is applied to any one of the support construction methods for V-shaped framework cast-in-place, which comprises a bearing platform (1), an arch support (2), a first-stage support (3), a stand column (4), a reinforcing unit (5), a second-stage support (6), a third-stage support (7) and a main beam (8), and is characterized in that: an arch support (2) is arranged on a bearing platform (1), at least one first-stage support (3) is fixedly arranged on the arch support (2) at intervals, an upright post (4) is fixedly arranged on the first-stage support (3), second-stage supports (6) are fixedly arranged at two ends of each first-stage support (3), each second-stage support (6) is fixedly connected with the corresponding upright post (4) through a counter pull rod (9), third-stage supports (7) are fixedly arranged at ends of the second-stage supports (6), the third-stage supports (7) are fixedly connected with the corresponding upright posts (4) through the counter pull rods (9), reinforcing units (5) are arranged between the first-stage supports (3), the second-stage supports (6), the third-stage supports (7) and the upright posts (4), and main beams (8) are fixedly arranged on the reinforcing units (5), the third-stage supports (7) and the upright posts (4).
8. A support for V-frame cast-in-place according to claim 7, wherein: the first-stage bracket (3), the upright post (4), the second-stage bracket (6) and the third-stage bracket (7) are composed of supporting pipes (301) and connecting pipes (302), the supporting pipes (301) are arranged in a four-corner symmetrical manner, and the supporting pipes (301) are fixedly connected through the connecting pipes (302).
9. A support for V-frame cast-in-place according to claim 7, wherein: the strengthening unit (5) is V-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210399619.9A CN114703883A (en) | 2022-04-15 | 2022-04-15 | Support for V-shaped structure cast-in-place and construction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210399619.9A CN114703883A (en) | 2022-04-15 | 2022-04-15 | Support for V-shaped structure cast-in-place and construction method thereof |
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