CN114562107A - Integral reinforcement system construction method of concrete pouring splicing formwork of special-shaped curved column - Google Patents
Integral reinforcement system construction method of concrete pouring splicing formwork of special-shaped curved column Download PDFInfo
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- CN114562107A CN114562107A CN202210345231.0A CN202210345231A CN114562107A CN 114562107 A CN114562107 A CN 114562107A CN 202210345231 A CN202210345231 A CN 202210345231A CN 114562107 A CN114562107 A CN 114562107A
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- 239000004567 concrete Substances 0.000 title claims abstract description 54
- 230000002787 reinforcement Effects 0.000 title claims abstract description 15
- 238000009415 formwork Methods 0.000 title claims description 13
- 238000010276 construction Methods 0.000 title description 5
- 238000000034 method Methods 0.000 claims abstract description 10
- 239000002023 wood Substances 0.000 claims description 31
- 229910000831 Steel Inorganic materials 0.000 claims description 30
- 239000010959 steel Substances 0.000 claims description 30
- 239000011178 precast concrete Substances 0.000 claims description 21
- 238000013461 design Methods 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000005553 drilling Methods 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 abstract description 10
- 241000555745 Sciuridae Species 0.000 abstract description 4
- 125000003003 spiro group Chemical group 0.000 abstract description 4
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 5
- 210000005069 ears Anatomy 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000011218 segmentation Effects 0.000 description 2
- 230000003796 beauty Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
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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
- E04G13/00—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills
- E04G13/02—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills for columns or like pillars; Special tying or clamping means therefor
- E04G13/021—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills for columns or like pillars; Special tying or clamping means therefor for circular columns
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- Engineering & Computer Science (AREA)
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- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
The invention discloses a method for constructing an integral reinforcement system of a concrete pouring spliced template of a special-shaped curved column, which solves the problem of poor stability of the reinforcement system of the special-shaped curved column spliced wooden template; be provided with left side semi-ring staple bolt (7) and right side semi-ring staple bolt (8) on the lateral surface of concrete placement concatenation template (6), the spiro union has staple bolt connecting bolt (11) between left staple bolt connecting block (10) and right staple bolt connecting block (12), on left side semi-ring staple bolt (7) and on right side semi-ring staple bolt (8), impartial interval radian is provided with vertical reinforcing bar back of the body stupefied (9), on cylindric concrete placement concatenation template (6) that sets up between floor bottom plate (1) and floor ceiling (2), the equidistance is provided with the annular staple bolt that the spiro union is in the same place, these annular staple bolts form the outside fixed frame of the special-shaped bent post template of an holistic squirrel cage formula with the stupefied (9) of vertical reinforcing bar back of the body on the back of the body above with.
Description
Technical Field
The invention relates to a splicing template system of a concrete cast-in-place cylindrical curved column, in particular to a construction method of an integral reinforcing system of a splicing template of a concrete cast-in-place cylindrical special-shaped curved column.
Background
With the rapid development of society, higher requirements are made on the appearance beauty of buildings; the concrete special-shaped curved column has the characteristics of attractive appearance, elegance and novelty, and the inner columns, the decorative columns and the doorposts of a plurality of public buildings and houses are all designed into special-shaped curved columns; the cross section of the special-shaped curved column is circular, the central axis of the column is in a curve shape, the concrete pouring template of the special-shaped curved column is generally formed by assembling wood templates in sections, and the outer vertical surface of each section of cylindrical assembled template is gradually transited to be a curve according to the calculus principle along the vertical direction and is not on the same straight line, so that the vertical back edge of the template is difficult to fix; the outer side template of the concrete cast-in-place special-shaped curved column is generally spliced into a cylindrical curved surface through a plurality of wood template strips, two adjacent template strips are connected into a cylindrical outer template through shooting nails, vertical wood ridges are arranged on the cylindrical outer template at intervals, and then, an annular reinforcing steel bar is used for reinforcing the whole template system at intervals in the horizontal direction; the formwork reinforcing system of the vertical wood ridges and the horizontal annular steel bars of the formwork system is arranged in a separated mode, the number of sections of the formwork reinforcing system is large, the reinforcing system is easy to loosen due to curvature, and the formwork expanding phenomenon is easy to occur in concrete pouring.
Disclosure of Invention
An application method of an integral reinforcement system of a concrete pouring and splicing template of a special-shaped curved column solves the technical problem of poor stability of the reinforcement system of a special-shaped curved column splicing wooden template.
The invention solves the technical problems by the following technical scheme:
the general concept of the invention is: the outer side of the spliced curved column wood formwork is provided with an annular hoop made of a steel plate, and a connecting steel bar back edge is arranged between two adjacent annular hoops at intervals to form an integral squirrel-cage type outer side fixing frame for the cylinder pouring formwork.
An integral reinforcement system of a concrete pouring splicing template of a special-shaped curved column comprises a floor bottom plate and a floor ceiling, wherein a four-column support is arranged between the floor bottom plate and the floor ceiling, a horizontal positioning square wood plate for pouring the special-shaped curved column is arranged on the four-column support at equal intervals along the vertical direction, an oval positioning through hole of the special-shaped curved column to be poured is arranged on the horizontal positioning square wood plate, a concrete pouring splicing template of the special-shaped curved column is arranged between the oval positioning through holes, an intra-column reinforcing steel bar and an intra-template support system are arranged in the concrete pouring splicing template, a left semi-annular hoop and a right semi-annular hoop are arranged on the outer side surface of the concrete pouring splicing template, a left hoop connecting block is arranged at the right end of the left semi-annular hoop, a right hoop connecting block is arranged at the left end of the right semi-annular hoop, the anchor ear connecting bolt is connected between the left anchor ear connecting block and the right anchor ear connecting block in a screwed mode, vertical reinforcing steel bars are arranged on the left semi-annular anchor ear and the right semi-annular anchor ear in an equally spaced radian mode, cylindrical concrete pouring splicing templates are arranged between the floor bottom plate and the floor ceiling and are provided with annular anchor ears which are connected in a screwed mode at equal intervals, and the annular anchor ears and the vertical reinforcing steel bars on the annular anchor ears form an integral squirrel-cage type special-shaped curved column pouring template outer side fixing frame.
A pressure sensor is arranged on the left hoop connecting block butted with the right hoop connecting block, and a pressure display is electrically connected to the pressure sensor; the curvature of the vertical steel bar back edge on the outer side fixing frame of the squirrel-cage special-shaped curved column pouring template is completely the same as the curvature of the central axis of the pre-poured special-shaped curved column.
The utility model discloses a template is characterized in that be provided with the concrete placement concatenation template installation of special-shaped curved column on the square plank of horizontal location that the hole outside was passed in oval location and use counterpoint mark indicating disc, be marked with the template counterpoint mark on the counterpoint mark indicating disc, each concrete placement concatenation template is according to template counterpoint mark, and the segmentation concatenation is between two adjacent horizontal location square planks.
A method for constructing an integral reinforcement system of a concrete pouring splicing template of a special-shaped curved column comprises a floor bottom plate and a floor ceiling, wherein a four-upright-column support is arranged between the floor bottom plate and the floor ceiling, and the pre-poured special-shaped curved column is arranged in the four-upright-column support; the method is characterized by comprising the following steps:
firstly, according to a design drawing of a cast-in-place concrete special-shaped curved column, three-dimensional design is carried out on a pre-cast concrete special-shaped curved column by using computer modeling software, namely BIM model software, so as to obtain a three-dimensional column model of the pre-cast concrete special-shaped curved column;
secondly, cutting the three-dimensional column model of the precast concrete special-shaped curved column obtained in the first step at equal intervals along the vertical direction of the column by using computer software to obtain a horizontal cutting plane parallel to the floor bottom plate and an oval outer contour of the precast concrete special-shaped curved column on the horizontal cutting plane; designing the number of back ridges of the splicing template by using computer software according to the width of the concrete pouring splicing template, and simulating and obtaining a projection curve of each back ridge on the cylindrical surface of the three-dimensional cylinder model on the cylindrical surface of the pre-poured concrete special-shaped curved column according to the curvature of the curved column and the number of the back ridges of the splicing template;
thirdly, manufacturing horizontal positioning square wood boards, determining the position of each horizontal positioning square wood board according to a horizontal cutting plane of computer software in the second step, and determining the shape of an oval positioning through hole in each horizontal positioning square wood board according to the oval outline of the precast concrete special-shaped curved column on the corresponding horizontal cutting plane, namely adding the thickness of a template to the oval outline of the precast concrete special-shaped curved column, namely the outline of the oval positioning through hole;
fourthly, according to the position of each horizontal cutting plane of the computer software in the second step, each horizontal positioning square wood board processed in the third step is installed on the four-column support; splicing each concrete pouring spliced template between two adjacent horizontally positioned square boards in a segmented splicing manner to complete the splicing of the template of the whole pre-poured concrete special-shaped curved column, and meanwhile, arranging reinforcing steel bars in the column and an inner template support system in the concrete pouring spliced templates;
fifthly, processing by using a steel plate to obtain a left semi-annular hoop and a right semi-annular hoop, and butting and installing the left semi-annular hoop and the right semi-annular hoop on the outer side surface of the concrete pouring splicing template to form the annular hoops; the annular hoop is arranged between two adjacent horizontally-positioned square wood boards;
sixthly, manufacturing vertical steel bar back ridges according to the projection curves of the back ridges obtained in the second step on the cylindrical surface of the three-dimensional cylinder model;
and seventhly, drilling a through hole for penetrating the vertical steel bar back edge on the horizontal positioning square wood board, connecting the vertical steel bar back edge obtained in the sixth step in the through hole for penetrating the corresponding vertical steel bar back edge, fixedly connecting the upper end of the vertical steel bar back edge with the upper end annular hoop, fixedly connecting the lower end of the vertical steel bar back edge with the lower end annular hoop, and forming an outer side fixing frame of the integral squirrel cage type cylinder pouring template.
The special-shaped curved column integrated positioning and reinforcing support system has the advantages that the special-shaped curved column integrated positioning and reinforcing support system is adopted, the labor cost is saved, the construction efficiency is improved, the special-shaped curved column template system is stable, the stability of the template system can be monitored at any time during concrete pouring, the phenomena of deformation, mold expansion and displacement are avoided, the special-shaped curved column integrated positioning and reinforcing monitoring is realized, the forming effect and quality of a reinforced concrete structure are effectively guaranteed, and the construction progress is accelerated.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a three-dimensional column model diagram of a precast concrete deformed curved column of the present invention;
FIG. 3 is a schematic structural view of a horizontally oriented square wooden board 4 according to the present invention;
fig. 4 is a matching relation diagram between the annular hoop and the vertical steel bar back ridge 9.
Detailed Description
The invention is described in detail below with reference to the accompanying drawings:
an integral reinforcement system of a concrete pouring splicing template of a special-shaped curved column comprises a floor bottom plate 1 and a floor ceiling 2, a four-upright-column bracket 3 is arranged between the floor bottom plate 1 and the floor ceiling 2, a horizontal positioning square wood plate 4 for pouring the special-shaped curved column is arranged on the four-upright-column bracket 3 at equal intervals along the vertical direction, an oval positioning through hole 5 of the special-shaped curved column to be poured is arranged on the horizontal positioning square wood plate 4, a concrete pouring splicing template 6 of the special-shaped curved column is arranged between the oval positioning through holes 5, an intra-column steel bar and an intra-template support system are arranged in the concrete pouring splicing template 6, a left semi-annular hoop 7 and a right semi-annular hoop 8 are arranged on the outer side surface of the concrete pouring splicing template 6, a left hoop connecting block 10 is arranged at the right end of the left semi-annular hoop 7, the left end of right side semi-annular staple bolt 8 is provided with right staple bolt connecting block 12, the spiro union has staple bolt connecting bolt 11 between left staple bolt connecting block 10 and right staple bolt connecting block 12, on left side semi-annular staple bolt 7 and on right side semi-annular staple bolt 8, be provided with vertical reinforcement back of the body stupefied 9 at impartial interval radian, on the cylindric concrete placement concatenation template 6 that sets up between floor bottom plate 1 and floor ceiling 2, the equidistant annular staple bolt that is provided with the spiro union together, these annular staple bolts form the outside fixed frame of the special-shaped curved post pouring template of a holistic squirrel cage formula rather than the stupefied 9 formation of the vertical reinforcement back of the body on the back of the body.
A pressure sensor 13 is arranged on the left hoop connecting block 10 butted with the right hoop connecting block 12, and the pressure sensor 13 is electrically connected with a pressure display; the curvature of the vertical steel bar back edge 9 on the outer side fixing frame of the squirrel-cage special-shaped curved column pouring template is completely the same as the curvature of the central axis of the pre-poured special-shaped curved column.
The concrete placement concatenation template installation that is provided with the special-shaped curved column on the square plank 4 of horizontal location that the hole 5 outside was passed in oval location is with counterpoint mark indicating disc, has marked the template counterpoint mark on the counterpoint mark indicating disc, and each concrete placement concatenation template 6 is according to the template counterpoint mark, and the segmentation concatenation is between two adjacent horizontal location square planks 4.
A method for constructing an integral reinforcement system of a concrete pouring splicing template of a special-shaped curved column comprises a floor bottom plate 1 and a floor ceiling 2, wherein a four-upright-column support 3 is arranged between the floor bottom plate 1 and the floor ceiling 2, and the special-shaped curved column which is precast is arranged in the four-upright-column support 3; the method is characterized by comprising the following steps:
firstly, according to a design drawing of a cast-in-place concrete special-shaped curved column, three-dimensional design is carried out on a pre-cast concrete special-shaped curved column by using computer modeling software, namely BIM model software, so as to obtain a three-dimensional column model of the pre-cast concrete special-shaped curved column;
secondly, cutting the three-dimensional column model of the precast concrete special-shaped curved column obtained in the first step at equal intervals in the vertical direction of the column by using computer software to obtain a horizontal cutting plane parallel to the floor bottom plate 1 and an oval outer contour of the precast concrete special-shaped curved column on the horizontal cutting plane; designing the number of back ridges of the splicing template by using computer software according to the width of the concrete pouring splicing template 6, and simulating to obtain a projection curve of each back ridge on the cylindrical surface of the three-dimensional cylinder model on the cylindrical surface of the pre-poured concrete special-shaped curved column according to the curvature of the curved column and the number of the back ridges of the splicing template;
thirdly, manufacturing horizontal positioning square wood boards 4, determining the positions of the horizontal positioning square wood boards 4 according to the horizontal cutting plane of the computer software in the second step, and determining the shapes of the oval positioning through holes 5 in the horizontal positioning square wood boards 4 according to the oval outer contours of the precast concrete special-shaped curved columns on the corresponding horizontal cutting plane, namely adding the thickness of the template to the oval outer contours of the precast concrete special-shaped curved columns, namely the contours of the oval positioning through holes 5;
fourthly, according to the position of each horizontal cutting plane of the computer software in the second step, each horizontally positioned square wood board 4 processed in the third step is installed on the four-upright-column bracket 3; splicing each concrete pouring splicing template 6 between two adjacent horizontally positioned square wood boards 4 in a segmented splicing manner to complete the splicing of the template of the whole precast concrete special-shaped curved column, and meanwhile, arranging steel bars in the column and an inner template support system in the concrete pouring splicing templates 6;
fifthly, processing by using a steel plate to obtain a left semi-annular hoop 7 and a right semi-annular hoop 8, and installing the left semi-annular hoop 7 and the right semi-annular hoop 8 on the outer side surface of the concrete pouring splicing formwork 6 in a butt joint mode to form an annular hoop; the annular hoop is arranged between two adjacent horizontally-positioned square wood boards 4;
sixthly, manufacturing vertical steel bar back ridges 9 according to the projection curves of the back ridges obtained in the second step on the cylindrical surface of the three-dimensional cylinder model;
and seventhly, drilling a through hole of the vertical steel bar back ridge 9 on the horizontal positioning square wood board 4, connecting the vertical steel bar back ridge 9 obtained in the sixth step in the through hole of the corresponding vertical steel bar back ridge 9 in a penetrating manner, fixedly connecting the upper end of the vertical steel bar back ridge 9 with the upper end annular hoop, fixedly connecting the lower end of the vertical steel bar back ridge 9 with the lower end annular hoop, and forming an outer side fixing frame of the integral squirrel cage type cylinder pouring template.
When concrete is poured, the numerical value of the pressure display electrically connected with the pressure sensor 13 is checked anytime and anywhere, if the numerical value of the pressure display becomes small, whether the hoop connecting bolt 11 is loosened is checked, if the numerical value of the pressure display becomes large suddenly, the condition that the formwork is expanded is indicated, a buzzer can be arranged to give out a buzzing sound for alarming, and at the moment, effective measures need to be taken to check and reinforce the formwork system.
Claims (3)
1. A method for constructing an integral reinforcement system of a concrete pouring splicing template of a special-shaped curved column comprises a floor bottom plate (1) and a floor ceiling (2), wherein a four-upright-column support (3) is arranged between the floor bottom plate (1) and the floor ceiling (2), and the special-shaped curved column which is precast is arranged in the four-upright-column support (3); the method is characterized by comprising the following steps:
firstly, according to a design drawing of a cast-in-place concrete special-shaped curved column, three-dimensional design is carried out on a pre-cast concrete special-shaped curved column by using computer modeling software, namely BIM model software, so as to obtain a three-dimensional column model of the pre-cast concrete special-shaped curved column;
secondly, cutting the three-dimensional column model of the precast concrete special-shaped curved column obtained in the first step at equal intervals in the vertical direction of the column by using computer software to obtain a horizontal cutting plane parallel to the floor bottom plate (1) and an oval outer contour of the precast concrete special-shaped curved column on the horizontal cutting plane; designing the number of back ridges of the splicing template by using computer software according to the width of the concrete pouring splicing template (6), and simulating and obtaining a projection curve of each back ridge on the cylindrical surface of the three-dimensional cylindrical model on the cylindrical surface of the pre-poured concrete special-shaped curved column according to the curvature of the curved column and the number of the back ridges of the splicing template;
thirdly, manufacturing horizontal positioning square wood boards (4), determining the positions of the horizontal positioning square wood boards (4) according to the horizontal cutting plane of the computer software in the second step, and determining the shapes of the oval positioning through holes (5) in the horizontal positioning square wood boards (4) according to the oval outer contours of the precast concrete special-shaped curved columns on the corresponding horizontal cutting plane, namely adding the thickness of the template to the oval outer contours of the precast concrete special-shaped curved columns, namely the outlines of the oval positioning through holes (5);
fourthly, according to the position of each horizontal cutting plane of the computer software in the second step, each horizontal positioning square wood board (4) processed in the third step is installed on the four-upright-column bracket (3); splicing each concrete pouring splicing template (6) between two adjacent horizontally positioned square wood boards (4) in a segmented splicing manner to complete the splicing of the template of the whole precast concrete special-shaped curved column, and meanwhile, arranging steel bars in the column and an in-template support system in the concrete pouring splicing templates (6);
fifthly, processing a steel plate to obtain a left semi-annular hoop (7) and a right semi-annular hoop (8), and butting and installing the left semi-annular hoop (7) and the right semi-annular hoop (8) on the outer side surface of the concrete pouring splicing formwork (6) to form an annular hoop; the annular hoop is arranged between two adjacent horizontal positioning square wood boards (4);
sixthly, manufacturing vertical steel bar back ridges (9) according to the projection curves of the back ridges obtained in the second step on the cylindrical surface of the three-dimensional cylinder model;
and seventhly, drilling a through hole of the vertical steel bar back ridge (9) on the horizontal positioning square wood board (4), connecting the vertical steel bar back ridge (9) obtained in the sixth step in the through hole of the corresponding vertical steel bar back ridge (9) in a penetrating way, fixedly connecting the upper end of the vertical steel bar back ridge (9) with the upper end annular hoop, fixedly connecting the lower end of the vertical steel bar back ridge (9) with the lower end annular hoop, and forming an outer side fixing frame of the integral squirrel-cage type cylinder pouring template.
2. The method for applying the integral reinforcement system of the concrete pouring splicing formwork of the special-shaped curved column as claimed in claim 1, wherein a left hoop connecting block (10) is arranged at the right end of a left semi-annular hoop (7), a right hoop connecting block (12) is arranged at the left end of a right semi-annular hoop (8), and a hoop connecting bolt (11) is screwed between the left hoop connecting block (10) and the right hoop connecting block (12); and a pressure sensor (13) is arranged on the left hoop connecting block (10) which is butted with the right hoop connecting block (12), and a pressure display is electrically connected to the pressure sensor (13).
3. The method for constructing the integral reinforcement system of the concrete pouring splicing templates of the special-shaped curved columns according to the claim 1 or 2 is characterized in that an alignment mark indicating plate for installing the concrete pouring splicing templates of the special-shaped curved columns is arranged on the horizontal positioning square wood plates (4) which are positioned on the outer sides of the oval positioning through holes (5), template alignment marks are marked on the alignment mark indicating plate, and each concrete pouring splicing template (6) is spliced between two adjacent horizontal positioning square wood plates (4) in a subsection mode according to the template alignment marks.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210345231.0A CN114562107A (en) | 2022-04-02 | 2022-04-02 | Integral reinforcement system construction method of concrete pouring splicing formwork of special-shaped curved column |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210345231.0A CN114562107A (en) | 2022-04-02 | 2022-04-02 | Integral reinforcement system construction method of concrete pouring splicing formwork of special-shaped curved column |
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| CN211850829U (en) * | 2019-12-06 | 2020-11-03 | 广西建工集团第五建筑工程有限责任公司 | Cast-in-situ reinforced concrete hollowed special-shaped inclined column template |
| CN212201282U (en) * | 2019-12-06 | 2020-12-22 | 广西建工集团第五建筑工程有限责任公司 | Cast-in-situ large-area reinforced concrete hollowed special-shaped column mold |
| CN113914605A (en) * | 2021-10-14 | 2022-01-11 | 北京益汇达清水建筑工程有限公司 | Assembling method of special-shaped double-curved-surface bare concrete wall |
| CN216142400U (en) * | 2021-06-24 | 2022-03-29 | 中建七局安装工程有限公司 | Concrete cylinder pours template |
-
2022
- 2022-04-02 CN CN202210345231.0A patent/CN114562107A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205577401U (en) * | 2016-04-15 | 2016-09-14 | 郑州大学综合设计研究院有限公司 | External rectangular cross section concrete column template fastener of pull rod |
| CN109469324A (en) * | 2018-11-13 | 2019-03-15 | 北京益汇达清水装饰工程有限公司 | The construction method of abnormal curved surface column |
| CN110821164A (en) * | 2019-12-06 | 2020-02-21 | 广西建工集团第五建筑工程有限责任公司 | Cast-in-situ large-area reinforced concrete hollowed special-shaped column body mould and construction method thereof |
| CN211850829U (en) * | 2019-12-06 | 2020-11-03 | 广西建工集团第五建筑工程有限责任公司 | Cast-in-situ reinforced concrete hollowed special-shaped inclined column template |
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| CN216142400U (en) * | 2021-06-24 | 2022-03-29 | 中建七局安装工程有限公司 | Concrete cylinder pours template |
| CN113914605A (en) * | 2021-10-14 | 2022-01-11 | 北京益汇达清水建筑工程有限公司 | Assembling method of special-shaped double-curved-surface bare concrete wall |
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Application publication date: 20220531 |