CN115492309B - Reinforcement cage expansion structure and construction method for installing box-type steel column in reinforcement cage - Google Patents
Reinforcement cage expansion structure and construction method for installing box-type steel column in reinforcement cage Download PDFInfo
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- CN115492309B CN115492309B CN202211344226.4A CN202211344226A CN115492309B CN 115492309 B CN115492309 B CN 115492309B CN 202211344226 A CN202211344226 A CN 202211344226A CN 115492309 B CN115492309 B CN 115492309B
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- 230000002787 reinforcement Effects 0.000 title claims abstract description 103
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 98
- 239000010959 steel Substances 0.000 title claims abstract description 98
- 238000010276 construction Methods 0.000 title claims abstract description 27
- 238000009434 installation Methods 0.000 claims abstract description 12
- 230000003014 reinforcing effect Effects 0.000 claims description 32
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 5
- 238000003780 insertion Methods 0.000 description 4
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/30—Columns; Pillars; Struts
- E04C3/32—Columns; Pillars; Struts of metal
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
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Abstract
The invention relates to the technical field of engineering construction, in particular to a reinforcement cage expansion structure and a construction method for installing box-shaped steel columns in a reinforcement cage. When the reinforcement cage expansion structure is adopted for construction of installing the box-type steel column in the reinforcement cage, the reinforcement cage expansion structure is installed on the reinforcement of the reinforcement cage, the first power assembly and the second power assembly work, the first expansion plate and the second expansion plate move outwards, the reinforcement of the reinforcement cage is evenly and outwards opened, the installation space of the box-type steel column is increased, the box-type steel column can conveniently pass through, and therefore rapid installation of the box-type steel column is achieved, and the construction efficiency of installing the box-type steel column in the reinforcement cage is improved; and moreover, the first expansion plate and the second expansion plate are uniform in stress on the steel bars of the steel bar cage, the outwards-opened steel bars are good in inward closing effect, the damage to the steel bars of the steel bar cage is obviously reduced, and the large-scale use is facilitated.
Description
Technical Field
The invention relates to the technical field of engineering construction, in particular to a reinforcement cage expansion structure and a construction method for installing box-shaped steel columns in a reinforcement cage.
Background
In engineering construction, steel structure industrial plants are often used, and installing box steel columns in a reinforcement cage becomes an important process for installing steel structure plants.
At present, the steel reinforcement cage includes interior cushion cap and sets up the reinforcing bar on the cushion cap to the reinforcing bar that is located upper portion is the crotch form of incurvate, and box steel post includes the bottom plate and sets up the box on the bottom plate, and the shape of bottom plate is rectangle or square, and the length and the width of bottom plate are great, when installing box steel post in the steel reinforcement cage, need the manual work to break the reinforcing bar on upper portion earlier and bend, make the reinforcing bar outwards open, and then put down box steel post in the steel reinforcement cage, this kind of method causes the harm to the steel reinforcement cage easily, and efficiency of construction is also lower.
Disclosure of Invention
The invention solves the technical problem of providing a reinforcement cage expansion structure, which can reduce damage to a reinforcement cage and improve the construction efficiency of installing box-shaped steel columns in the reinforcement cage.
The technical scheme adopted for solving the technical problems is as follows: the reinforcement cage expansion structure comprises two first expansion plates, two second expansion plates, a first power assembly and a second power assembly, wherein the first expansion plates comprise first vertical plate bodies and first horizontal plate bodies which are vertically connected together, the first horizontal plate bodies are arranged on the inner sides of the first vertical plate bodies, the lengths of the first horizontal plate bodies are smaller than those of the first vertical plate bodies, and the first horizontal plate bodies are positioned in the middle of the first vertical plate bodies;
the second expansion plate comprises a second vertical plate body and a second horizontal plate body which are vertically connected together, the second horizontal plate body is arranged on the inner side of the second vertical plate body, the length of the second vertical plate body is smaller than that of the second horizontal plate body, and the second vertical plate body is positioned in the middle of the second horizontal plate body;
in the first vertical plate body, the part connected with the first horizontal plate body is a first connecting part, the part not connected with the first horizontal plate body is a jack part, the two ends of the first connecting part are respectively provided with a jack part, and the jack part is provided with jacks along the length direction of the first vertical plate body;
in the second horizontal plate body, the part connected with the second vertical plate body is a second connecting part, the part not connected with the second vertical plate body is a plugboard part, and plugboard parts are respectively arranged at two ends of the second connecting part;
the two first expansion plates are arranged in parallel, the two second expansion plates are arranged in parallel, two plugboard parts on the same second horizontal plate body penetrate through one plughole of one first vertical plate body, the other plugboard part is arranged and penetrates through one plughole of the other first vertical plate body, so that the two first expansion plates and the two second expansion plates are connected together, and the first expansion plates and the second expansion plates are arranged vertically;
one end of the first power component is connected with one first expansion plate, the other end of the first power component is connected with the other first expansion plate, and the first power component can enable the two first expansion plates to horizontally move back and forth along the length direction of the second horizontal plate body;
one end of the second power assembly is connected with one second expansion plate, the other end of the second power assembly is connected with the other second expansion plate, and the second power assembly can enable the two second expansion plates to horizontally move back and forth along the length direction of the first horizontal plate body.
Further, a reinforcing component is arranged on the jack part and comprises two reinforcing plates which are arranged in parallel at intervals, a through hole is formed between the two reinforcing plates, the through hole is communicated with the jack, and the plug board part penetrates through the hole.
Further, the first power component comprises two first jacks, the two first jacks are arranged in parallel, the two first jacks are respectively arranged on two sides of the first expansion plate, one end of each first jack is connected with the reinforcing component of one first expansion plate, the other end of each first jack is connected with the reinforcing component of the other first expansion plate, and the first jacks are perpendicular to the first expansion plates.
Further, one end of the first jack is connected with the reinforcing component of one first expansion plate through a connecting support, and the other end of the first jack is connected with the reinforcing component of the other first expansion plate through a connecting support.
Further, two second expansion plates are arranged between the two first jacks.
Further, the second power assembly comprises two second jacks, the two second jacks are arranged in parallel, the two second jacks are respectively arranged on two sides of the second expansion plate, one end of each second jack is connected with one second expansion plate, the other end of each second jack is connected with the other first expansion plate, and the second jacks are perpendicular to the second expansion plates.
Further, one end of the second jack is connected with one second expansion plate through one connecting support, and the other end of the second jack is connected with the other first expansion plate through one connecting support.
Further, two first expansion plates are arranged between two second jacks.
In addition, the invention also solves the technical problem of providing a construction method for installing the box steel column in the reinforcement cage, which has lower damage to the reinforcement cage and higher construction efficiency.
The construction method for installing the box steel column in the reinforcement cage comprises the following steps:
a. manufacturing the reinforcement cage expansion structure;
b. installing a reinforcement cage expansion structure on the reinforcement of the reinforcement cage;
c. the first power assembly and the second power assembly work, the first expansion plate and the second expansion plate expand the steel bars of the steel bar cage outwards, and the installation space of the box-type steel column is enlarged;
d. hoisting and installing the box steel column in a reinforcement cage;
e. after the box steel column is installed in place, the first power assembly and the second power assembly work, and the steel bars of the steel bar cage are folded inwards.
Preferably, in the step b, the reinforcement cage expansion structure is obliquely placed on an inner bearing platform of the reinforcement cage, and then the reinforcement cage expansion structure is horizontally installed on the reinforcement of the reinforcement cage.
The beneficial effects of the invention are as follows: the reinforcement cage expansion structure comprises two first expansion plates, two second expansion plates, a first power assembly and a second power assembly. When the reinforcement cage expansion structure is adopted for construction of installing the box-type steel column in the reinforcement cage, the reinforcement cage expansion structure is installed on the reinforcement of the reinforcement cage, the first power assembly and the second power assembly work, the first expansion plate and the second expansion plate move outwards, the reinforcement of the reinforcement cage is evenly and outwards opened, the installation space of the box-type steel column is increased, the box-type steel column can conveniently pass through, and therefore rapid installation of the box-type steel column is achieved, and the construction efficiency of installing the box-type steel column in the reinforcement cage is improved; and moreover, the first expansion plate and the second expansion plate are uniform in stress on the steel bars of the steel bar cage, the outwards-opened steel bars are good in inward closing effect, the damage to the steel bars of the steel bar cage is obviously reduced, and the large-scale use is facilitated.
Drawings
Fig. 1 is a schematic structural view of a reinforcement cage expansion structure;
FIG. 2 is a schematic view of the structure of a first expansion plate;
FIG. 3 is a schematic view of the structure of a second expansion plate;
fig. 4 is a schematic diagram of a first step b of the construction method for installing the box steel column in the reinforcement cage;
fig. 5 is a schematic diagram b of a construction method for installing a box steel column in a reinforcement cage;
fig. 6 is a schematic diagram one of a construction method step c for installing a box steel column in a reinforcement cage;
fig. 7 is a schematic diagram II of a construction method step c for installing a box steel column in a reinforcement cage;
fig. 8 is a schematic diagram of a construction method step e for installing a box steel column in a reinforcement cage;
the marking is as follows: the first expansion board 1, the first vertical board body 11, the jack part 111, the jack 112, the first horizontal board body 12, the reinforcing component 13, the via hole 131, the second expansion board 2, the second vertical board body 21, the plugboard part 211, the second horizontal board body 22, the first jack 3, the second jack 4, the connecting support 5, the reinforcement cage 6, the inner bearing platform 61 and the box steel column 7.
Detailed Description
The invention is further described below with reference to the drawings and the detailed description.
As shown in fig. 1, 2 and 3, the reinforcement cage expansion structure of the invention comprises two first expansion plates 1, two second expansion plates 2, a first power component and a second power component, wherein the first expansion plates 1 comprise a first vertical plate body 11 and a first horizontal plate body 12 which are vertically connected together, the first horizontal plate body 12 is arranged on the inner side of the first vertical plate body 11, the length of the first horizontal plate body 12 is smaller than that of the first vertical plate body 11, and the first horizontal plate body 12 is positioned in the middle of the first vertical plate body 11;
the second expansion board 2 comprises a second vertical board body 21 and a second horizontal board body 22 which are vertically connected together, the second horizontal board body 22 is arranged on the inner side of the second vertical board body 21, the length of the second vertical board body 21 is smaller than that of the second horizontal board body 22, and the second vertical board body 21 is positioned in the middle of the second horizontal board body 22;
in the first riser 11, a portion connected to the first horizontal plate 12 is a first connection portion, a portion not connected to the first horizontal plate 12 is an insertion hole portion 111, insertion hole portions 111 are respectively provided at both ends of the first connection portion, and insertion holes 112 along the length direction of the first riser 11 are provided on the insertion hole portion 111;
in the second horizontal plate body 22, a portion connected to the second vertical plate body 21 is a second connection portion, a portion not connected to the second vertical plate body 21 is a plug board portion 211, and plug board portions 211 are provided at both ends of the second connection portion, respectively;
the two first expansion plates 1 are arranged in parallel, the two second expansion plates 2 are arranged in parallel, two plugboard parts 211 on the same second horizontal plate body 22 are arranged in a penetrating way, one plugboard part 211 penetrates through one jack 112 of one first vertical plate body 11, the other plugboard part 211 is arranged and penetrates through one jack 112 of the other first vertical plate body 11, so that the two first expansion plates 1 and the two second expansion plates 2 are connected together, the first expansion plates 1 and the second expansion plates 2 are arranged in a mutually perpendicular way, and the corresponding plugboard parts 211 and the jacks 112 can generate relative movement;
one end of the first power component is connected with one first expansion plate 1, the other end of the first power component is connected with the other first expansion plate 1, and the first power component can enable the two first expansion plates 1 to horizontally move back and forth (inside and outside) along the length direction of the second horizontal plate body 22;
one end of the second power assembly is connected with one second expansion plate 2, the other end of the second power assembly is connected with the other second expansion plate 2, and the second power assembly can enable the two second expansion plates 2 to horizontally move back and forth along the length direction of the first horizontal plate body 12.
In order to improve the strength of the first expansion plates 1 and reduce the possibility that the two first expansion plates 1 are shifted horizontally back and forth along the length direction of the second horizontal plate body 22, as shown in fig. 1 and 2, the jack portion 111 is provided with a reinforcing component 13, the reinforcing component 13 comprises two reinforcing plates arranged in parallel at intervals, a via hole 131 is arranged between the two reinforcing plates, the via hole 131 is communicated with the jack 112, and the plug plate portion 211 is arranged to penetrate through the via hole 131. In order to further improve the connection strength of the reinforcing plate, the reinforcing plate is also connected to the first horizontal plate body 12, and the width of the reinforcing plate is the same as the width of the first horizontal plate body 12.
In order to be convenient for first power component operation use, guarantee its result of use, first power component's preferred structure is: as shown in fig. 1, the first power assembly includes two first jacks 3, the two first jacks 3 are parallel to each other, the two first jacks 3 are respectively disposed on two sides of the first expansion board 1, one end (piston rod) of each first jack 3 is connected with the reinforcing assembly 13 of one first expansion board 1, the other end (base) of each first jack 3 is connected with the reinforcing assembly 13 of the other first expansion board 1, and the first jacks 3 are perpendicular to the first expansion board 1. When the piston rod of the first jack 3 extends outwards, the first jack 3 provides thrust to enable the two first expansion plates 1 to move outwards along the length direction of the second horizontal plate body 22 respectively, namely, the two first expansion plates 1 move in the direction of mutually separating, the first vertical plate body 11 of the first expansion plates 1 acts on the steel bars of the steel bar cage 6 to enable the steel bar cage 6 to expand outwards, and the installation space of the box-shaped steel column is enlarged; when the piston rod of the first jack 3 retracts inwards, the first jack 3 provides pulling force and resilience force of the steel bars, so that the two first expansion plates 1 respectively move inwards along the length direction of the second horizontal plate body 22, namely, the two first expansion plates 1 move in the direction of being close to each other, the first vertical plate body 11 of the first expansion plates 1 acts on the steel bars of the steel bar cage 6, and the steel bar cage 6 returns inwards to the original shape. Similarly, in order to facilitate the operation and use of the second power assembly, the use effect of the second power assembly is guaranteed, and the preferred structure of the second power assembly is as follows: as shown in fig. 1, the second power assembly includes two second jacks 4, the two second jacks 4 are parallel to each other, the two second jacks 4 are respectively disposed on two sides of the second expansion board 2, one end (piston rod) of each second jack 4 is connected with one second expansion board 2, the other end (base) of each second jack 4 is connected with the other first expansion board 1, and the second jacks 4 are perpendicular to the second expansion board 2. When the piston rod of the second jack 4 extends outwards, the second jack 4 provides thrust to enable the two second expansion plates 2 to move outwards along the length direction of the first horizontal plate body 12 respectively, namely, the two second expansion plates 2 move in the direction of mutually separating, the second vertical plate body 21 of the second expansion plates 2 acts on the steel bars of the steel bar cage 6 to enable the steel bar cage 6 to expand outwards, and the installation space of the box-shaped steel column is enlarged; when the piston rod of the second jack 4 retracts inwards, the second jack 4 provides pulling force and resilience force of the steel bars, so that the two second expansion plates 2 respectively move inwards along the length direction of the first horizontal plate body 12, namely, the two second expansion plates 2 move in the direction of being close to each other, and the second vertical plate body 21 of the second expansion plates 2 acts on the steel bars of the steel bar cage 6, so that the steel bar cage 6 returns inwards to the original shape.
In order to facilitate the connection of the first jack 3 with the two first expansion plates 1, the second jack 4 is connected with the two second expansion plates 2, so as to improve the connection strength, one end of the first jack 3 is connected with the reinforcing component 13 of one first expansion plate 1 through one connecting support 5, and the other end of the first jack 3 is connected with the reinforcing component 13 of the other first expansion plate 1 through one connecting support 5. One end of the second jack 4 is connected with one second expansion plate 2 through one connecting support 5, and the other end of the second jack 4 is connected with the other first expansion plate 1 through one connecting support 5.
In order to improve the result of use, steel reinforcement cage expansion structure can make the reinforcing bar of steel reinforcement cage evenly outwards open and inwards return to draw in, and two second expansion board 2 set up between two first jacks 3, and two first expansion board 1 set up between two second jacks 4, set up like this and make first jack 3 carry out spacingly to second expansion board 2, prevent that second expansion board 2 from removing to the outside of first expansion board 1, make second jack 4 carry out spacingly to first expansion board 1, prevent that first expansion board 1 from removing to the outside of second expansion board 2.
The construction method for installing the box steel column in the reinforcement cage comprises the following steps:
a. manufacturing the reinforcement cage expansion structure, as shown in fig. 1;
b. installing the reinforcement cage expansion structure on the reinforcement of the reinforcement cage 6 as shown in fig. 5;
c. the first power component and the second power component work, the first expansion plate 1 and the second expansion plate 2 expand the steel bars of the steel bar cage 6 outwards, and the installation space of the box-type steel column 7 is enlarged, as shown in fig. 6 and 7;
d. hoisting and installing the box steel column 7 in a reinforcement cage;
e. after the box steel column 7 is installed in place, the first power assembly and the second power assembly work, and the steel bars of the steel reinforcement cage 6 are folded inwards as shown in fig. 8.
f. And (5) dismantling the reinforcement cage expansion structure, thereby completing the construction of installing the box-type steel column in the reinforcement cage.
In order to facilitate the installation of the reinforcement cage expansion structure on the reinforcement bars of the reinforcement cage 6, in step b, the reinforcement cage expansion structure is first placed obliquely on the inner bearing platform 61 of the reinforcement cage 6, as shown in fig. 4, and then the reinforcement cage expansion structure is installed horizontally on the reinforcement bars of the reinforcement cage 6.
In summary, when the reinforcement cage expansion structure is adopted to perform construction of installing the box steel column in the reinforcement cage, the reinforcement cage expansion structure is installed on the reinforcement of the reinforcement cage 6, the first power assembly and the second power assembly work, so that the first expansion plate 1 and the second expansion plate 2 move outwards, the reinforcement of the reinforcement cage 6 is uniformly and outwards opened, the installation space of the box steel column 7 is increased, the box steel column 7 can conveniently pass through, the quick installation of the box steel column 7 is realized, and the construction efficiency of installing the box 7 steel column in the reinforcement cage 6 is improved; and moreover, the first expansion plate 1 and the second expansion plate 2 are uniform in stress on the steel bars of the steel bar cage 6, the outwards-opened steel bars are good in inward closing effect, the damage to the steel bars of the steel bar cage 6 is obviously reduced, and the large-scale use is facilitated.
Claims (10)
1. Steel reinforcement cage expansion structure, its characterized in that: the expansion device comprises two first expansion plates (1), two second expansion plates (2), a first power assembly and a second power assembly, wherein the first expansion plates (1) comprise a first vertical plate body (11) and a first horizontal plate body (12) which are vertically connected together, the first horizontal plate body (12) is arranged on the inner side of the first vertical plate body (11), the length of the first horizontal plate body (12) is smaller than that of the first vertical plate body (11), and the first horizontal plate body (12) is positioned in the middle of the first vertical plate body (11);
the second expansion plate (2) comprises a second vertical plate body (21) and a second horizontal plate body (22) which are vertically connected together, the second horizontal plate body (22) is arranged on the inner side of the second vertical plate body (21), the length of the second vertical plate body (21) is smaller than that of the second horizontal plate body (22), and the second vertical plate body (21) is positioned in the middle of the second horizontal plate body (22);
in the first vertical plate body (11), a part connected with the first horizontal plate body (12) is a first connecting part, a part not connected with the first horizontal plate body (12) is an inserting hole part (111), inserting hole parts (111) are respectively arranged at two ends of the first connecting part, and inserting holes (112) along the length direction of the first vertical plate body (11) are arranged on the inserting hole parts (111);
in the second horizontal plate body (22), the part connected with the second vertical plate body (21) is a second connecting part, the part not connected with the second vertical plate body (21) is a plugboard part (211), and plugboard parts (211) are respectively arranged at two ends of the second connecting part;
the two first expansion plates (1) are arranged in parallel, the two second expansion plates (2) are arranged in parallel, two plugboard parts (211) on the same second horizontal plate body (22), one plugboard part (211) penetrates through one jack (112) of one first vertical plate body (11), the other plugboard part (211) is arranged and penetrates through one jack (112) of the other first vertical plate body (11), so that the two first expansion plates (1) and the two second expansion plates (2) are connected together, and the first expansion plates (1) and the second expansion plates (2) are arranged vertically;
one end of the first power component is connected with one first expansion plate (1), the other end of the first power component is connected with the other first expansion plate (1), and the first power component can enable the two first expansion plates (1) to horizontally move back and forth along the length direction of the second horizontal plate body (22);
one end of the second power assembly is connected with one second expansion plate (2), the other end of the second power assembly is connected with the other second expansion plate (2), and the second power assembly can enable the two second expansion plates (2) to horizontally move back and forth along the length direction of the first horizontal plate body (12).
2. The reinforcement cage expansion structure of claim 1, wherein: the jack part (111) is provided with a reinforcing component (13), the reinforcing component (13) comprises two reinforcing plates which are arranged in parallel at intervals, a through hole (131) is formed between the two reinforcing plates, the through hole (131) is communicated with the jack (112), and the plug board part (211) penetrates through the hole (131).
3. The reinforcement cage expansion structure of claim 2, wherein: the first power component comprises two first jacks (3), the two first jacks (3) are arranged in parallel, the two first jacks (3) are respectively arranged on two sides of the first expansion plate (1), one end of each first jack (3) is connected with a reinforcing component (13) of one first expansion plate (1), the other end of each first jack (3) is connected with a reinforcing component (13) of the other first expansion plate (1), and the first jacks (3) are perpendicular to the first expansion plates (1).
4. A reinforcement cage expansion structure as set forth in claim 3, wherein: one end of the first jack (3) is connected with a reinforcing component (13) of one first expansion plate (1) through a connecting support (5), and the other end of the first jack (3) is connected with a reinforcing component (13) of the other first expansion plate (1) through the connecting support (5).
5. A reinforcement cage expansion structure as set forth in claim 3, wherein: the two second expansion plates (2) are arranged between the two first jacks (3).
6. A reinforcement cage expansion structure as set forth in any one of claims 1 to 5, wherein: the second power component comprises two second jacks (4), the two second jacks (4) are arranged in parallel, the two second jacks (4) are respectively arranged on two sides of the second expansion plate (2), one end of each second jack (4) is connected with one second expansion plate (2), the other end of each second jack (4) is connected with the other first expansion plate (1), and the second jacks (4) are perpendicular to the second expansion plates (2).
7. The reinforcement cage expansion structure of claim 6, wherein: one end of the second jack (4) is connected with one second expansion plate (2) through one connecting support (5), and the other end of the second jack (4) is connected with the other first expansion plate (1) through one connecting support (5).
8. The reinforcement cage expansion structure of claim 6, wherein: the two first expansion plates (1) are arranged between the two second jacks (4).
9. The construction method for installing the box steel column in the reinforcement cage is characterized by comprising the following steps of:
a. manufacturing the reinforcement cage expansion structure of any one of claims 1 to 8;
b. installing a reinforcement cage expansion structure on the reinforcement of the reinforcement cage (6);
c. the first power assembly and the second power assembly work, the first expansion plate (1) and the second expansion plate (2) expand the steel bars of the steel reinforcement cage (6) outwards, and the installation space of the box-shaped steel column (7) is enlarged;
d. hoisting and installing the box steel column (7) in a reinforcement cage;
e. after the box steel column (7) is installed in place, the first power assembly and the second power assembly work, and steel bars of the steel bar cage (6) are retracted inwards.
10. The construction method for installing box steel columns in a steel reinforcement cage according to claim 9, wherein: in the step b, the reinforcement cage expansion structure is obliquely placed on an inner bearing platform (61) of the reinforcement cage (6), and then the reinforcement cage expansion structure is horizontally installed on the reinforcement of the reinforcement cage (6).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211344226.4A CN115492309B (en) | 2022-10-31 | 2022-10-31 | Reinforcement cage expansion structure and construction method for installing box-type steel column in reinforcement cage |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211344226.4A CN115492309B (en) | 2022-10-31 | 2022-10-31 | Reinforcement cage expansion structure and construction method for installing box-type steel column in reinforcement cage |
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| CN115492309B true CN115492309B (en) | 2023-06-13 |
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| CN212176611U (en) * | 2019-10-31 | 2020-12-18 | 中冶天工集团有限公司 | Device for quickly mounting and positioning steel column in large-scale column foundation pier reinforcement cage |
| CN212026228U (en) * | 2020-03-03 | 2020-11-27 | 甘肃五环公路工程有限公司 | Adjustable steel reinforcement cage cross brace |
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| CN114000514A (en) * | 2021-11-10 | 2022-02-01 | 贵州建工集团第一建筑工程有限责任公司 | Construction method of deep foundation pit angle support pile column component |
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