CN110552445A - Construction process for reserved tie bar of main body wall column structure - Google Patents
Construction process for reserved tie bar of main body wall column structure Download PDFInfo
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- CN110552445A CN110552445A CN201910654736.3A CN201910654736A CN110552445A CN 110552445 A CN110552445 A CN 110552445A CN 201910654736 A CN201910654736 A CN 201910654736A CN 110552445 A CN110552445 A CN 110552445A
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- Prior art keywords
- wall column
- formwork
- template
- reserved
- tie bars
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/56—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members
- E04B2/64—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members with elongated members of concrete
-
- 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
- E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
- E04G11/06—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for walls, e.g. curved end panels for wall shutterings; filler elements for wall shutterings; shutterings for vertical ducts
- E04G11/08—Forms, which are completely dismantled after setting of the concrete and re-built for next pouring
-
- 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
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
the invention discloses a construction process for accurately positioning a reserved tie bar of a main body wall column structure. The first step is as follows: deeply designing a template project by utilizing a building CAD, wherein the key point is the accurate position for installing a special template for a masonry tie bar and a wall column reserved tie bar; the second step is that: the support of the template support frame and the beam slab bottom die and the binding of the wall column and the beam slab steel reinforcement framework are sequentially finished according to the conventional method; after the steel bar engineering of the vertical column wall structure is concealed and accepted, the next step of work can be carried out. The third step: the reserved special formwork for the tie bars and the common formwork are sequentially installed and reinforced according to the deepened design of the formwork engineering, and the accurate positioning of the special formwork is ensured. The fourth step: checking the position of the special template according to the deepened template engineering drawing, inserting the tie bars into holes on the special template of the reserved tie bars of the wall column, and reliably connecting the insertion ends of the tie bars with the wall column steel bars; the fifth step: concrete is sequentially carried out on the wall column and the platform beam plate; after maintenance and form removal, the pre-inserted tie bars with accurate positioning are formed.
Description
Technical Field
the invention relates to the technical field of building construction, in particular to a construction process for reserving tie bars in a main body wall column structure.
background
With the progress of human society, the requirements on the building functions are higher and higher, so that the reinforced concrete structure is widely applied to the modern buildings.
in reinforced concrete buildings, secondary structures such as non-masonry bodies are provided in addition to reinforced concrete structures such as load-bearing structures. Quality and potential safety hazards such as easy cracking of joints and the like often exist between a primary reinforced concrete structure and a masonry secondary structure. In order to prevent quality and potential safety hazards such as joint easy cracking often existing between a reinforced concrete structure and a masonry secondary structure, builders propose to bury the tie bar underground in the primary structure, and then lay the tie bar into the masonry wall, so that the connection between the reinforced concrete structure and the masonry secondary structure is firm.
How to solve the problem that how to accurately pre-embed the tie bars during the construction of the reinforced concrete vertical wall column structure is a choice before constructors. The method for pre-embedding the tie bars can be divided into a front-mounted fully-embedded tie bar, a front-mounted semi-embedded tie bar and a rear-mounted tie bar. The preposed fully-embedded tie bar has the advantages that the tie bar is well installed according to the design requirement, the tie bar is tied on a steel bar framework of the vertical wall column by adopting a folding method, and the vertical wall column is removed from a concrete finished product after the concrete pouring of the vertical wall column is finished and the form is removed. The binding tightness control is poor, deviation often occurs due to the influence of concrete blanking and vibration, the surface of a concrete finished product is seriously damaged, and even the tie bar cannot be used due to deviation. The preposed semi-embedded tie bar has the advantages that after the reinforced concrete vertical wall column structure template is erected, holes are drilled on the template according to design requirements, and then a part of tie bar (about 300 mm in length) is installed; and after the concrete pouring is finished and the formwork is removed, welding and lengthening the pre-embedded tie bars to form complete masonry tie bars. Its advantage is that pre-buried drawknot muscle position is accurate, does not damage concrete finished product, and its shortcoming is: the template is easy to damage and increases the cost, and the quality of the concrete is not easily affected because the wood chips are mixed into the vertical reinforced concrete wall column template after drilling and the cleaning is not thorough. The rear-mounted tie bar is characterized in that after concrete pouring and form removal are completed, the position of the tie bar is calibrated according to a design drawing, and then a hand-held electric drill is used for drilling holes and then chemical bar planting operation is carried out. Its advantages are precise locating of the tie bars and difficult control of the quality of bar planting operation.
disclosure of Invention
in order to solve the problems, the invention discloses a construction process for reserving a tie bar in a main body wall column structure.
the technical scheme of the invention is as follows: a construction process for reserving a tie bar in a main body wall column structure comprises the following steps:
S1: reading a reinforced concrete wall column structure diagram, a wall partition diagram and a reserved tie bar arrangement diagram by utilizing a CAD (computer aided design) deepening design of a building;
s2: listing the specification processing size and the processing plan of the special template for the reserved tie bar and the configuration plan of the common wall column template according to a deepened design drawing;
S3: according to the specification processing size and the processing plan of the reserved special formwork for the tie bars and the configuration plan of the common formwork, processing of the reserved special formwork for the tie bars and the common wall column formwork is organized and completed;
S4: the processed common wall column template and the reserved special template for the tie bars are stacked and identified in a classified manner;
s5: set up outer wall scaffold frame, the vertical reinforcing bar of the vertical wall post structure of inserting short steel pipe and inserting in advance on the planar floor steel reinforcement skeleton of next floor, the concrete of pouring again forms complete reinforced concrete beam slab platform, and after reinforced concrete beam slab platform was accomplished, clearance, bullet line, location work were accomplished in proper order: repairing and perfecting the defective part of the concrete finished surface; the outer scaffold is reliably connected with the reinforced concrete finished body through the short steel pipe I;
S6: according to a design drawing, steel pipes are used as vertical rods and horizontal rods of the formwork support frame on the next layer of reinforced concrete platform slab, and the steel pipes are used as sweeping rods to form a complete formwork support frame;
s7: according to a designed drawing, a vertical wall column structure steel bar framework is installed by reserving steel bars in a vertical wall column structure, and a vertical steel bar lap joint area appears in the middle of the vertical wall column structure steel bar framework to complete binding of the wall column steel bar framework;
s8: according to a design drawing, an external scaffold is erected outside the reinforced concrete platform beam slab and is reliably connected with the reinforced concrete platform beam slab through a short steel pipe I as a hard drawknot, an adjustable jacking support is installed above a vertical rod of a formwork support frame, a steel pipe main keel and a batten secondary keel at the bottom of the beam slab are sequentially installed on the adjustable jacking support, and finally a platform beam slab bottom die is paved to finish the pavement of the platform beam slab bottom and a slab bottom formwork;
S9: after the binding of the steel reinforcement framework of the wall column is finished and the acceptance is passed, marking and calibrating the position of a later-built wall body according to a design drawing, firstly installing a reserved special formwork plate for the tie bar, sequentially installing an inner side formwork, an outer side formwork and a formwork batten back ridge of the vertical wall column structure, meanwhile installing the reserved special formwork plate for the tie bar according to the position determined by deepening design, and preferentially and accurately installing the reserved special formwork for the tie bar in the formwork sealing process;
s10: binding a steel bar framework of the orderly-organized platform beam plate, padding a protective layer, padding intervals among steel bar meshes, and finally carving a plane marking line on concrete pouring;
S11: according to a designed drawing, checking the positions of holes in the reserved special formwork for the tie bars of the installed wall column, and orderly installing the tie bars at the positions of the reserved special formwork for the tie bars;
S12: the wall column, the beam plate template and the support frame are reinforced by installing a water stop screw penetrating through the wall column or the deep beam and a mountain-shaped clamp, so that the structural rigidity of the whole template engineering is ensured to be reliable, and the key point is that the template support frame is provided with a cross brace and a sweeping rod according to the requirements of a special template scheme;
s13: sequentially finishing the pouring of the wall column and the reinforced concrete beam slab platform;
s14: maintaining;
S15: finishing pouring of the reinforced concrete, and sequentially removing the template and the template support frame after the template removal strength is reached; clear bolt holes and clear pre-buried tie bars are reserved in the formed reinforced concrete vertical wall column structure, the formed horizontal beam plate structure and the formed vertical wall column structure, and the removed template and the removed support frame are cleaned in time for turnover use, the positions of the pre-buried tie bars are checked, and the defects of the concrete structure are repaired;
S16: and circulating to the next working surface.
The invention has the advantages that:the construction process of reserving the tie bars on the side surface of the reinforced concrete wall column structure is realized Accurately reserving tie bars on the side surfaces of the reinforced concrete wall columns; effectively avoids the improper production of the fixing method of the fully pre-embedded tie bar The deviation of the tie bars can avoid the damage of the semi-embedded tie bars to the template and the defects of time consumption in chemical industry and the post-embedded tie bars The pulling force of the post-planted pulling tendon is not enough due to the irregular personal operation.
Drawings
FIG. 1 is a schematic view of a precast platform beam slab concrete structure of the present invention;
FIG. 2 is a schematic view of the wall column reinforcement and formwork support frame erection of the present invention;
FIG. 3 is a schematic view of the erection and reinforcement of the wall column formwork of the present invention;
FIG. 4 is a schematic illustration of a post-cast platform beam slab concrete structure of the present invention;
Wherein: 1. reinforced concrete beam slab platform, 2, longitudinal reinforcement, 3, wall post framework of steel reinforcement, 4, vertical wall post structure framework of steel reinforcement, 5, short steel pipe, 6, short steel pipe I, 7, sweep the ground pole, 8, pole setting and horizon bar, 9, flitch secondary joist, 10, platform beam slab die block, 11, fossil fragments, 12, adjustable top support, 13, outer wall scaffold, 14, inboard template, 15, outside template, 16, template flitch back arris, 17, reserve the special template piece of drawknot muscle, 18, stagnant water screw rod, 19, the drawknot reinforcing bar, 20, chevron card, 21, framework of steel reinforcement, 22, plane control line, 23, horizontal beam slab structure, 24, bolt hole.
Detailed Description
For the purpose of enhancing an understanding of the present invention, the following detailed description of the present invention is provided in conjunction with the accompanying drawings, which are provided for the purpose of illustration only and are not intended to limit the scope of the present invention.
as shown in fig. 1-4, a construction process for reserving tie bars in a main wall column structure comprises the following steps:
s1: reading a reinforced concrete wall column structure diagram, a wall partition diagram and a reserved tie bar arrangement diagram by utilizing a CAD (computer aided design) deepening design of a building;
S2: listing the specification processing size and the processing plan of the special template for the reserved tie bar and the configuration plan of the common wall column template according to a deepened design drawing;
s3: according to the specification processing size and the processing plan of the reserved special formwork for the tie bars and the configuration plan of the common formwork, processing of the reserved special formwork for the tie bars and the common wall column formwork is organized and completed;
S4: the processed common wall column template and the reserved special template for the tie bars are stacked and identified in a classified manner;
s5: building an outer wall scaffold 13, pre-inserting short steel pipes 5 and pre-inserted longitudinal steel bars 2 of a vertical wall column structure on a steel bar framework of a next layer of plane floor, pouring concrete to form a complete reinforced concrete beam slab platform 1, finishing cleaning, line snapping and positioning work in sequence after the reinforced concrete beam slab platform 1 is finished, and repairing and perfecting the defect part of the finished concrete surface; the outer scaffold is reliably connected with the reinforced concrete finished body through the short steel pipe I6;
s6: according to a design drawing, steel pipes are used as vertical rods and horizontal rods 8 of the formwork support frame and steel pipes are used as floor sweeping rods 7 on the next layer of reinforced concrete platform slab to form the complete erection of the formwork support frame;
S7: according to a designed drawing, a vertical wall column structure steel bar framework 4 is installed on a reserved steel bar of a vertical wall column structure, and a vertical steel bar lap joint area 3 appears in the middle of the vertical wall column structure steel bar framework to complete binding of the wall column steel bar framework;
s8: according to a design drawing, an outer scaffold 13 is erected outside a reinforced concrete platform beam plate and is reliably connected with the reinforced concrete platform beam plate through a short steel pipe I6 hard tie, an adjustable top support 12 is installed above a vertical rod of a formwork support frame, a steel pipe main keel 11 and a batten secondary keel 9 at the bottom of the beam plate are sequentially installed on the adjustable top support 12, and finally a platform beam plate bottom die 10 is laid to finish the laying of a platform beam bottom and a plate bottom formwork;
s9: after the binding of the steel reinforcement framework of the wall column is finished and the acceptance is passed, marking and calibrating the position of a later-built wall body according to a design drawing, firstly installing a reserved special formwork piece 17 for the tie bar, sequentially installing an inner side formwork 14, an outer side formwork 15 and a formwork batten back edge 16 of the vertical wall column structure, meanwhile, installing the reserved special formwork piece for the tie bar according to the position determined by deepening design, and preferentially and accurately installing the reserved special formwork piece for the tie bar in the mold sealing process;
s10: binding a steel bar framework 21 of the orderly-organized platform beam plate, padding a protective layer, padding intervals among steel bar meshes, and finally making the scribing of a concrete pouring upper plane marking line 22;
s11: according to a designed drawing, checking the hole position on the wall column reserved tie bar special template after installation, and orderly installing tie bars at the position of the reserved tie bar special template 17, wherein the step can also be carried out immediately after the installation of the reserved tie bar special template 17 in the ninth step is finished, and the reserved tie bars 19 are fixed with a steel bar framework (a longitudinal steel bar 2, a wall column steel bar framework 3 and a vertical wall column structure steel bar framework 4) of a vertical structure by utilizing the advantage that a common vertical structure template is not installed, wherein one end of the reserved masonry tie bars 19 is reliably connected with the vertical wall column structure steel bar framework 4, and the other end of the reserved masonry tie bars 19 is exposed on the surface of the special template 17 for reserved masonry tie bars;
s12: the wall column, the beam plate template and the support frame are reinforced by installing a water stop screw 18 penetrating through the wall column or the deep beam and a mountain-shaped clamp 20, so that the structural rigidity of the whole template engineering is ensured to be reliable, and the key point is that the template support frame is provided with a cross brace and a sweeping rod according to the requirements of a special template scheme;
s13: sequentially finishing the pouring of the wall column and the reinforced concrete beam slab platform;
s14: maintaining;
s15: finishing pouring of the reinforced concrete, and sequentially removing the template and the template support frame after the template removal strength is reached; clear bolt holes 24 and clear pre-buried tie bars 19 are reserved in the formed reinforced concrete vertical wall column structure, the horizontal beam plate structure 23 and the vertical wall column structure, and the removed template and the support frame are cleaned in time for turnover use, the position of the pre-buried tie bars 19 is checked, and defects of the concrete structure are repaired.
S16: and continuously erecting the outer scaffold, and reliably connecting the outer scaffold 13 with the short steel pipes 5 pre-embedded in the post-cast reinforced concrete platform through the hard tie 6, and circulating to the next working surface.
embedding masonry tie bars in the vertical structure of the accurate positioning main body; the special template for reserving the masonry tie bar can be recycled; the labor amount of reworking caused by inaccurate pre-buried masonry tie bars is reduced or avoided, and the special template can be used in a circulating way to realize energy conservation and environmental protection.
Claims (1)
1. the construction process for reserving the tie bars in the main body wall column structure is characterized by comprising the following steps of:
S1: reading a reinforced concrete wall column structure diagram, a wall partition diagram and a reserved tie bar arrangement diagram by utilizing a CAD (computer aided design) deepening design of a building;
s2: listing the specification processing size and the processing plan of the special template for the reserved tie bar and the configuration plan of the common wall column template according to a deepened design drawing;
s3: according to the specification processing size and the processing plan of the reserved special formwork for the tie bars and the configuration plan of the common formwork, processing of the reserved special formwork for the tie bars and the common wall column formwork is organized and completed;
s4: the processed common wall column template and the reserved special template for the tie bars are stacked and identified in a classified manner;
S5: set up outer wall scaffold frame, the vertical reinforcing bar of the vertical wall post structure of inserting short steel pipe and inserting in advance on the planar floor steel reinforcement skeleton of next floor, the concrete of pouring again forms complete reinforced concrete beam slab platform, and after reinforced concrete beam slab platform was accomplished, clearance, bullet line, location work were accomplished in proper order: repairing and perfecting the defective part of the concrete finished surface; the outer scaffold is reliably connected with the reinforced concrete finished body through the short steel pipe I;
S6: according to a design drawing, steel pipes are used as vertical rods and horizontal rods of the formwork support frame on the next layer of reinforced concrete platform slab, and the steel pipes are used as sweeping rods to form a complete formwork support frame;
S7: according to a designed drawing, a vertical wall column structure steel bar framework is installed by reserving steel bars in a vertical wall column structure, and a vertical steel bar lap joint area appears in the middle of the vertical wall column structure steel bar framework to complete binding of the wall column steel bar framework;
s8: according to a design drawing, an external scaffold is erected outside the reinforced concrete platform beam slab and is reliably connected with the reinforced concrete platform beam slab through a short steel pipe I as a hard drawknot, an adjustable jacking support is installed above a vertical rod of a formwork support frame, a steel pipe main keel and a batten secondary keel at the bottom of the beam slab are sequentially installed on the adjustable jacking support, and finally a platform beam slab bottom die is paved to finish the pavement of the platform beam slab bottom and a slab bottom formwork;
S9: after the binding of the steel reinforcement framework of the wall column is finished and the acceptance is passed, marking and calibrating the position of a later-built wall body according to a design drawing, firstly installing a reserved special formwork plate for the tie bar, sequentially installing an inner side formwork, an outer side formwork and a formwork batten back ridge of the vertical wall column structure, meanwhile installing the reserved special formwork plate for the tie bar according to the position determined by deepening design, and preferentially and accurately installing the reserved special formwork for the tie bar in the formwork sealing process;
s10: binding a steel bar framework of the orderly-organized platform beam plate, padding a protective layer, padding intervals among steel bar meshes, and finally carving a plane marking line on concrete pouring;
S11: according to a designed drawing, checking the positions of holes in the reserved special formwork for the tie bars of the installed wall column, and orderly installing the tie bars at the positions of the reserved special formwork for the tie bars;
s12: the wall column, the beam plate template and the support frame are reinforced by installing a water stop screw penetrating through the wall column or the deep beam and a mountain-shaped clamp, so that the structural rigidity of the whole template engineering is ensured to be reliable, and the key point is that the template support frame is provided with a cross brace and a sweeping rod according to the requirements of a special template scheme;
s13: sequentially finishing the pouring of the wall column and the reinforced concrete beam slab platform;
s14: maintaining;
S15: finishing pouring of the reinforced concrete, and sequentially removing the template and the template support frame after the template removal strength is reached; clear bolt holes and clear pre-buried tie bars are reserved in the formed reinforced concrete vertical wall column structure, the formed horizontal beam plate structure and the formed vertical wall column structure, and the removed template and the removed support frame are cleaned in time for turnover use, the positions of the pre-buried tie bars are checked, and the defects of the concrete structure are repaired;
s16: and circulating to the next working surface.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910654736.3A CN110552445B (en) | 2019-07-19 | 2019-07-19 | Construction process for reserved tie bar of main body wall column structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910654736.3A CN110552445B (en) | 2019-07-19 | 2019-07-19 | Construction process for reserved tie bar of main body wall column structure |
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| CN110552445A true CN110552445A (en) | 2019-12-10 |
| CN110552445B CN110552445B (en) | 2021-06-25 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113152886A (en) * | 2021-04-29 | 2021-07-23 | 中国二十二冶集团有限公司 | Formwork construction method for post-cast plate of pipe well |
| CN113187221A (en) * | 2021-04-21 | 2021-07-30 | 上海宝冶集团南京建筑有限公司 | Reservation method of tie bar of aluminum alloy template |
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| US20040231270A1 (en) * | 2003-05-22 | 2004-11-25 | Collins P. Michael | Masonry tie for cavity wall construction |
| CN101614039A (en) * | 2008-11-11 | 2009-12-30 | 中铁四局集团建筑工程有限公司 | Inverted construction method for template engineering of cast-in-place shear wall structure system |
| CN106168068A (en) * | 2016-08-04 | 2016-11-30 | 中国十七冶集团有限公司 | A kind of constructional column joint bar, tension rib joint bar locating mounting method |
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| CN109083418A (en) * | 2018-09-04 | 2018-12-25 | 江苏南通三建集团股份有限公司 | A kind of construction method of inner support outer hoop posting trestle framework of steel reinforcement joint bar |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040231270A1 (en) * | 2003-05-22 | 2004-11-25 | Collins P. Michael | Masonry tie for cavity wall construction |
| CN101614039A (en) * | 2008-11-11 | 2009-12-30 | 中铁四局集团建筑工程有限公司 | Inverted construction method for template engineering of cast-in-place shear wall structure system |
| CN106168068A (en) * | 2016-08-04 | 2016-11-30 | 中国十七冶集团有限公司 | A kind of constructional column joint bar, tension rib joint bar locating mounting method |
| CN107299701A (en) * | 2017-07-31 | 2017-10-27 | 武汉冶建筑安装工程有限责任公司 | Fill wall construction post one-time-concreting construction method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113187221A (en) * | 2021-04-21 | 2021-07-30 | 上海宝冶集团南京建筑有限公司 | Reservation method of tie bar of aluminum alloy template |
| CN113152886A (en) * | 2021-04-29 | 2021-07-23 | 中国二十二冶集团有限公司 | Formwork construction method for post-cast plate of pipe well |
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| CN110552445B (en) | 2021-06-25 |
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