CN112814369A - Horizontal construction joint formwork device for cast-in-place reinforced concrete wall and construction method - Google Patents
Horizontal construction joint formwork device for cast-in-place reinforced concrete wall and construction method Download PDFInfo
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- CN112814369A CN112814369A CN202011606452.6A CN202011606452A CN112814369A CN 112814369 A CN112814369 A CN 112814369A CN 202011606452 A CN202011606452 A CN 202011606452A CN 112814369 A CN112814369 A CN 112814369A
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- Prior art keywords
- formwork
- wall
- reinforcement cage
- outer side
- wall body
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Classifications
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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
- 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
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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
- E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
-
- 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
- E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
- E04G17/06—Tying means; Spacers ; Devices for extracting or inserting wall ties
- E04G17/065—Tying means, the tensional elements of which are threaded to enable their fastening or tensioning
Abstract
The invention relates to a formwork erecting device and a construction method for a horizontal construction joint of a cast-in-place reinforced concrete wall, wherein the formwork erecting device comprises a wall inner side formwork and a wall outer side formwork which are erected outside a reinforcement cage, and the wall outer side formwork exceeds the design elevation of a lower floor; and erecting a square strip-shaped formwork in the steel reinforcement cage, wherein the square strip-shaped formwork is opposite to the formwork outside the wall body and is fixed on the inner side of the steel reinforcement cage, and the bottom surface of the square strip-shaped formwork is flush with the designed elevation of the floor. The invention has simple structure, easy processing and manufacturing, saves the counter-pulling measure in the construction of the conventional horizontal construction joint, has quicker construction and good turnover, simultaneously ensures that the horizontal construction joint comprises a corner design and has waterproof effect.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a formwork erecting device and a construction method for a horizontal construction joint of a cast-in-place reinforced concrete wall.
Background
Generally, horizontal construction joints are inevitably left in the construction process of a cast-in-place reinforced concrete wall due to the construction of each floor in a grading manner. The method for erecting the formwork of the outer vertical face comprises the following steps: and (5) finishing the construction of the lower concrete structure, and after the form is removed, constructing the upper concrete structure. When the upper concrete structure template is erected, the outer wall template is hung to the lower concrete structure and extends below the horizontal construction joint of the floor. Pressure is exerted outside the lower hanging formwork through modes of reserved bolts and the like, the inner side of the formwork is tightly attached to the side face of a construction joint of a lower-layer concrete structure, finally, upper-layer concrete is poured, the used formwork supporting device is complex in structure, complex in installation and operation and poor in turnover, and when a plurality of horizontal construction joints are constructed, construction efficiency is low.
Therefore, a new formwork erecting device for a horizontal construction joint of a cast-in-place reinforced concrete wall and a construction method are needed, and the device is simple in structure, easy to process and manufacture, and quick and efficient in construction and installation.
Disclosure of Invention
The invention aims to overcome the technical defects and provides a novel formwork erecting device and a construction method for a horizontal construction joint of a cast-in-place reinforced concrete wall.
The technical scheme for realizing the purpose is as follows:
the invention provides a formwork device for a horizontal construction joint of a cast-in-place reinforced concrete wall, which comprises:
the wall body inner side formwork and the wall body outer side formwork are supported outside the reinforcement cage, and the wall body outer side formwork exceeds the design elevation of the lower floor;
prop up the square bar template of locating in the steel reinforcement cage, square bar template is relative the wall body outside template is fixed in the steel reinforcement cage is inboard, the bottom surface of square bar template with the design elevation of floor flushes.
The formwork device for the horizontal construction joint of the cast-in-place reinforced concrete wall is further improved in that the formwork device further comprises a batten for supporting and fixing the square strip-shaped formwork, the batten is bound to the reinforcement cage, and the outer wall of the square strip-shaped formwork is attached to the batten and fixed through a fastening piece.
The invention also provides a construction method of the horizontal construction joint formwork erecting device for the cast-in-place reinforced concrete wall, which comprises the following steps:
erecting a reinforcement cage of a wall body of a lower floor, and enabling the top of the reinforcement cage to extend upwards and exceed the designed elevation of the lower floor;
supporting a wall body inner side template and a wall body outer side template outside the steel reinforcement cage, and enabling the wall body outer side template to exceed the designed elevation of the lower floor;
arranging a square strip-shaped template in the steel reinforcement cage, fixing the square strip-shaped template on the inner side of the steel reinforcement cage relative to the template on the outer side of the wall body, and enabling the bottom surface of the square strip-shaped template to be flush with the designed elevation of the floor;
pouring concrete between the wall body inner side formwork and the wall body outer side formwork and between the wall body outer side formwork and the square strip formwork to the top standard height of the square strip formwork;
and after the concrete is solidified and meets the requirement of form removal strength, removing the wall inner side formwork, the wall outer side formwork and the square strip-shaped formwork to complete the wall construction of the lower floor, and forming a horizontal construction joint for connecting the wall of the upper floor on the top surface of the wall of the lower floor.
The construction method of the horizontal construction joint formwork erecting device for the cast-in-place reinforced concrete wall is further improved in that in the step of fixing the square strip formwork on the inner side of the reinforcement cage relative to the formwork on the outer side of the wall body, a batten is provided, the batten is tied to the reinforcement cage, and the outer wall of the square formwork is attached to the batten and fixed through a fastener.
The construction method of the horizontal construction joint formwork device of the cast-in-place reinforced concrete wall is further improved in that after the construction of the wall body of the lower floor is finished, the construction method further comprises the following steps:
continuously building a reinforcement cage of the wall body of the upper floor;
erecting the removed wall inner side formwork and the wall outer side formwork outside the reinforcement cage, and then reinforcing and connecting the wall inner side formwork and the wall outer side formwork by using a split bolt;
pouring concrete between the wall body inner side formwork and the wall body outer side formwork;
and after the concrete is solidified and meets the requirement of form removal strength, removing the wall inner side formwork and the wall outer side formwork, and completing the wall construction of the upper floor.
The formwork device for the horizontal construction joint of the cast-in-place reinforced concrete wall and the construction method thereof have the beneficial effects that:
through set up wall body inside template and wall body outside template outside steel reinforcement cage, surpass the floor elevation with wall body outside template, form the formwork device with the square strip template that sets up relatively in steel reinforcement cage, can control and form horizontal construction joint, when constructing lower floor's floor, saved the counter-pulling measure in the construction of conventional horizontal construction joint, the construction is more swift, and simple structure, easily processing preparation.
Further, the horizontal construction joint comprises a corner design and has a waterproof effect.
Drawings
Fig. 1 is a schematic structural view of a horizontal construction joint formwork device for a cast-in-place reinforced concrete wall according to the present invention.
Fig. 2 is a schematic view of a wall body of a lower floor after pouring in the construction method of the horizontal construction joint of the cast-in-place reinforced concrete wall.
Fig. 3 is a schematic structural view of a formwork for erecting a wall body of an upper floor in the construction method of the horizontal construction joint of the cast-in-place reinforced concrete wall of the present invention.
Fig. 4 is a schematic view of a wall body of an upper floor poured in the construction method of the horizontal construction joint of the cast-in-place reinforced concrete wall of the invention.
FIG. 5 is a step diagram of the construction method of the horizontal construction joint of the cast-in-place reinforced concrete wall of the present invention.
Reference numerals:
1-wall body, 11-steel reinforcement cage, 2-lower floor, 3-wall body outer side formwork, 4-wall body inner side formwork, 5-square strip formwork, 7-split bolt, 8-horizontal construction joint, 81-first part of horizontal construction joint, 82-second part of horizontal construction joint, 9-batten and H-design elevation of lower floor.
Detailed Description
The invention is further described with reference to the following figures and specific examples.
Example one
Referring to fig. 1, the present invention provides a formwork erecting device for a horizontal construction joint of a cast-in-place reinforced concrete wall, comprising:
erecting a wall body inner side formwork 4 and a wall body outer side formwork 3 which are arranged outside the reinforcement cage 11, wherein the wall body outer side formwork 3 exceeds the design elevation H of the lower floor 2;
the square strip-shaped formwork 5 is arranged in the reinforcement cage 11, the square strip-shaped formwork 5 is fixed on the inner side of the reinforcement cage 11 relative to the wall body outer side formwork 3, and the bottom surface of the square strip-shaped formwork 5 is flush with the designed elevation H of the lower floor.
As a preferred embodiment of the formwork erecting device for the horizontal construction joint of the cast-in-place reinforced concrete wall, the formwork erecting device further comprises a batten 9 for supporting and fixing the square strip-shaped formwork 5, specifically, the batten 9 is bound on the reinforcement cage 11 through binding wires, the outer wall of the square strip-shaped formwork 5 is attached to the batten 9 and fixed through a fastening piece, in the embodiment, the fastening piece is a steel nail, preferably, the top surface of the batten 9 is flush with the top surface of the square strip-shaped formwork 5, and a flat pouring grouting surface is convenient to form. In this embodiment, the wall outer side formwork 3, the wall inner side formwork 4 and the square strip formwork 5 are steel formworks, when formwork construction is performed, the outer side of the wall inner side formwork 4 is supported and fixed through a support, the batten 9 is a rectangular strip batten commonly used in construction, the square strip formwork 5 can be better fixed on the steel reinforcement cage 11 to enable the square strip formwork 5 to be perpendicular to the lower floor 2, of course, the square strip formwork 5 can also be directly and fixedly connected with the steel reinforcement 11 to meet the fixing requirement of the square strip formwork 5, it is required to be noted that when the square strip formwork 5 is fixed, the bottom surface of the square strip formwork 5 needs to be controlled to be flush with the elevation H of the lower floor 2, the horizontal construction joint 8 is combined with the reference diagram 4 and comprises a first part 81 located between the wall outer side formwork 3 and the top surface of the square strip formwork 5 and a second part 82 located at the internal corner formed by the square strip formwork 5 and the lower floor 2, therefore, the distance of the wall outer formwork 3 exceeding the designed elevation H of the lower floor and the height of the square strip formwork 5 determine the position of the first part 81 of the horizontal construction joint 8, and care should be taken to control the distance of the wall outer formwork 3 exceeding the designed elevation H of the lower floor and the height of the square strip formwork 5 within a reasonable range, by arranging the inner side formwork 4 and the outer side formwork 3 of the wall body outside the reinforcement cage 11, the outer side formwork 3 of the wall body exceeds the elevation H of the lower floor 2 for a fixed distance and forms a formwork supporting device with the square strip formwork 5 oppositely arranged in the reinforcement cage 11, the horizontal construction joint 8 can be controlled and formed, when the lower floor is constructed, the counter-pulling measure in the conventional horizontal construction joint construction is saved, the construction is quicker, and the structure is simple, the processing and the manufacturing are easy, and meanwhile, the formed horizontal construction joint 8 comprises a corner design and has a waterproof effect.
Example two
Referring to fig. 1 in addition to fig. 2 to 5, the present invention further provides a construction method of a horizontal construction joint of a cast-in-place reinforced concrete wall, including the following steps S1-S5:
step S1: and (3) erecting the reinforcement cage 11 of the wall body 1 of the lower floor 2, and enabling the top of the reinforcement cage 11 to extend upwards and exceed the designed elevation H of the lower floor.
Step S2: and (3) supporting a wall inner side formwork 4 and a wall outer side formwork 3 outside the steel reinforcement cage 11, and enabling the wall outer side formwork 3 to exceed the designed elevation H of the lower floor.
Referring to fig. 1, as a preferred embodiment of the construction method of the horizontal construction joint of the cast-in-place reinforced concrete wall of the present invention, in the step S1 of fixing the square bar-shaped form 5 to the inner side of the reinforcement cage 11 relative to the wall outer form 3, the method further includes providing a batten 9, fixing the batten 9 to the reinforcement cage 11 by using a binding wire and perpendicular to the lower floor 2, preferably, controlling the top surface of the batten 9 to be flush with the top surface of the wall outer form 3, and attaching the outer wall of the square bar-shaped form 5 to the batten 9 and fixing the same by using a steel nail, so as to fix the square bar-shaped form 5 better.
Step S3: the square strip-shaped formwork 5 is arranged in the reinforcement cage 11 in a supporting mode, the square strip-shaped formwork 5 is fixed to the inner side of the reinforcement cage 11 relative to the wall body outer side formwork 3, and the bottom surface of the square strip-shaped formwork 5 is flush with the designed elevation H of the lower floor 2.
Step S4: and pouring concrete between the wall body inner side formwork 4 and the wall body outer side formwork 3 and between the wall body outer side formwork 3 and the square strip formwork 5 to the top elevation of the square strip formwork 5.
In this embodiment, in the concrete construction process of pouring concrete in step S4, it further includes wetting the wall inside formwork 4, the wall outside formwork 3, and the square strip formwork 5 with water, and when pouring, the concrete is vibrated in layers densely, and the concrete is poured to the design elevation H of the lower floor 2 first, and then the concrete is poured to the top height of the square strip formwork 5, and the lower floor after molding is firmer through layer pouring and vibration compaction.
Step S5: and after the concrete is solidified and meets the requirement of form removal strength, removing the wall inner side formwork 4, the wall outer side formwork 3 and the square strip-shaped formwork 5 to complete the construction of the wall 1 of the lower floor 2, and forming a horizontal construction joint 8 (shown in figure 2) for connecting the wall of the upper floor on the top surface of the wall 1 of the lower floor 2.
It should be noted that, with reference to fig. 4, in this embodiment, the horizontal construction joint 8 includes a first portion 81 located between the wall outer side formwork 3 and the top surface of the square strip formwork 5 and a second portion 82 located at an internal corner formed by the square strip formwork 5 and the floor 2, when the upper floor is constructed in step S5, a groove space defined by the internal corner and the outer side formwork 3 can better position the upper structure, and meanwhile, sealing measures are performed on the groove to effectively avoid slurry leakage when the horizontal construction joint 8 is constructed, the construction method is high in quality and efficiency, and the formed horizontal construction joint includes the corner design at the second portion 82, and has a waterproof effect.
As a preferred embodiment of the method for constructing a horizontal construction joint of a cast-in-place reinforced concrete wall according to the present invention, with reference to fig. 3, after completing the construction of the wall 1 of the lower floor 2 at S5, the method further includes:
step S6: and continuously building a reinforcement cage 11 of the wall body of the upper floor.
Step S7: and erecting the removed wall inner side formwork 4 and the wall outer side formwork 3 outside the reinforcement cage 11, and then reinforcing and connecting the wall inner side formwork 4 and the wall outer side formwork 3 by using the split bolts 7.
Step S8: and concrete is poured between the wall body inner side formwork 4 and the wall body outer side formwork 3. Before pouring, the interfaces of the wall inner side template 4, the wall outer side template 3 and the horizontal construction joint are required to be wetted by water, and concrete is compacted in a layered vibration mode during pouring.
Step S9: and after the concrete is solidified and meets the requirement of form removal strength, removing the wall inner side template 4 and the wall outer side template 3 to complete the wall construction of the upper floor.
When the same horizontal construction joint exists in the same cast-in-place concrete wall and construction is required, the formwork support device in the first embodiment and the construction method in the second embodiment can be adopted for multiple times of construction, and the requirement of turnover use can be met.
While the present invention has been described in detail and with reference to the embodiments thereof as illustrated in the accompanying drawings, it will be apparent to one skilled in the art that various changes and modifications can be made therein. Therefore, certain details of the embodiments are not to be interpreted as limiting, and the scope of the invention is to be determined by the appended claims.
Claims (5)
1. A formwork device for horizontal construction joints of cast-in-place reinforced concrete walls is characterized by comprising:
the wall body inner side formwork and the wall body outer side formwork are supported outside the reinforcement cage, and the wall body outer side formwork exceeds the design elevation of the lower floor;
prop up the square bar template of locating in the steel reinforcement cage, square bar template is relative the wall body outside template is fixed in the steel reinforcement cage is inboard, the bottom surface of square bar template with the design elevation of floor flushes.
2. The formwork device for a horizontal construction joint of a cast-in-place reinforced concrete outer concrete wall according to claim 1, further comprising battens for supporting and fixing the square strip-shaped formwork, wherein the battens are bound to the reinforcement cage, and the outer wall of the square strip-shaped formwork is attached to the battens and fixed through fasteners.
3. A construction method of a horizontal construction joint of a cast-in-place reinforced concrete wall is characterized by comprising the following steps:
erecting a reinforcement cage of a wall body of a lower floor, and enabling the top of the reinforcement cage to extend upwards and exceed the designed elevation of the lower floor;
supporting a wall body inner side template and a wall body outer side template outside the steel reinforcement cage, and enabling the wall body outer side template to exceed the designed elevation of the lower floor;
arranging a square strip-shaped template in the steel reinforcement cage, fixing the square strip-shaped template on the inner side of the steel reinforcement cage relative to the template on the outer side of the wall body, and enabling the bottom surface of the square strip-shaped template to be flush with the designed elevation of the floor;
pouring concrete between the wall body inner side formwork and the wall body outer side formwork and between the wall body outer side formwork and the square strip formwork to the top standard height of the square strip formwork;
and after the concrete is solidified and meets the requirement of form removal strength, removing the wall inner side formwork, the wall outer side formwork and the square strip-shaped formwork to complete the wall construction of the lower floor, and forming a horizontal construction joint for connecting the wall of the upper floor on the top surface of the wall of the lower floor.
4. The construction method of the horizontal construction joint formwork erecting device for the cast-in-place reinforced concrete wall according to claim 3, wherein in the step of fixing the square bar-shaped formwork to the inner side of the reinforcement cage relative to the formwork on the outer side of the wall body, a batten is provided, the batten is tied to the reinforcement cage, and the outer wall of the square formwork is attached to the batten and is fixed by a fastener.
5. The construction method of the horizontal construction joint of the cast-in-place reinforced concrete wall according to claim 3, further comprising, after the wall construction of the lower floor is completed:
continuously building a reinforcement cage of the wall body of the upper floor;
erecting the removed wall inner side formwork and the wall outer side formwork outside the reinforcement cage, and then reinforcing and connecting the wall inner side formwork and the wall outer side formwork by using a split bolt;
pouring concrete between the wall body inner side formwork and the wall body outer side formwork;
and after the concrete is solidified and meets the requirement of form removal strength, removing the wall inner side formwork and the wall outer side formwork, and completing the wall construction of the upper floor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011606452.6A CN112814369A (en) | 2020-12-30 | 2020-12-30 | Horizontal construction joint formwork device for cast-in-place reinforced concrete wall and construction method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011606452.6A CN112814369A (en) | 2020-12-30 | 2020-12-30 | Horizontal construction joint formwork device for cast-in-place reinforced concrete wall and construction method |
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| CN112814369A true CN112814369A (en) | 2021-05-18 |
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| CN202011606452.6A Pending CN112814369A (en) | 2020-12-30 | 2020-12-30 | Horizontal construction joint formwork device for cast-in-place reinforced concrete wall and construction method |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU853056A1 (en) * | 1979-11-30 | 1981-08-07 | За витель | Form for concreting the walls of a building deformation seam |
| CN101265704A (en) * | 2008-04-28 | 2008-09-17 | 天津市建工工程总承包有限公司 | Underground cast-in-place concrete structure outer wall neck construction method |
| CN101403218A (en) * | 2008-11-12 | 2009-04-08 | 天津二十冶建设有限公司 | Processing method for basement water-proof concrete construction joint |
| CN102409799A (en) * | 2011-11-25 | 2012-04-11 | 北京市第三建筑工程有限公司 | Fair-faced concrete interlaminar open joint guide wall structure and construction method thereof |
| CN102900103A (en) * | 2012-08-21 | 2013-01-30 | 天津二十冶建设有限公司 | Construction gap of underground waterproof concrete structure and wall template installation method thereof |
| CN102912984A (en) * | 2012-10-31 | 2013-02-06 | 中冶天工上海十三冶建设有限公司 | Construction method of invisible construction joint of concrete external wall |
| CN203347223U (en) * | 2013-06-08 | 2013-12-18 | 中国建筑第八工程局有限公司 | Separate-assembly formwork structure at interlayer outer wall construction joint |
| CN203440831U (en) * | 2013-07-25 | 2014-02-19 | 中国建筑土木建设有限公司 | Novel basement concrete shear wall guide wall structure |
| CN110453726A (en) * | 2019-07-22 | 2019-11-15 | 河北省第二建筑工程有限公司 | A kind of constructing device that overlength reinforced concrete floor is levelling and method |
| CN111395747A (en) * | 2020-04-23 | 2020-07-10 | 安徽三建工程有限公司 | Formwork supporting device for horizontal construction joint of concrete structure and construction method thereof |
-
2020
- 2020-12-30 CN CN202011606452.6A patent/CN112814369A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU853056A1 (en) * | 1979-11-30 | 1981-08-07 | За витель | Form for concreting the walls of a building deformation seam |
| CN101265704A (en) * | 2008-04-28 | 2008-09-17 | 天津市建工工程总承包有限公司 | Underground cast-in-place concrete structure outer wall neck construction method |
| CN101403218A (en) * | 2008-11-12 | 2009-04-08 | 天津二十冶建设有限公司 | Processing method for basement water-proof concrete construction joint |
| CN102409799A (en) * | 2011-11-25 | 2012-04-11 | 北京市第三建筑工程有限公司 | Fair-faced concrete interlaminar open joint guide wall structure and construction method thereof |
| CN102900103A (en) * | 2012-08-21 | 2013-01-30 | 天津二十冶建设有限公司 | Construction gap of underground waterproof concrete structure and wall template installation method thereof |
| CN102912984A (en) * | 2012-10-31 | 2013-02-06 | 中冶天工上海十三冶建设有限公司 | Construction method of invisible construction joint of concrete external wall |
| CN203347223U (en) * | 2013-06-08 | 2013-12-18 | 中国建筑第八工程局有限公司 | Separate-assembly formwork structure at interlayer outer wall construction joint |
| CN203440831U (en) * | 2013-07-25 | 2014-02-19 | 中国建筑土木建设有限公司 | Novel basement concrete shear wall guide wall structure |
| CN110453726A (en) * | 2019-07-22 | 2019-11-15 | 河北省第二建筑工程有限公司 | A kind of constructing device that overlength reinforced concrete floor is levelling and method |
| CN111395747A (en) * | 2020-04-23 | 2020-07-10 | 安徽三建工程有限公司 | Formwork supporting device for horizontal construction joint of concrete structure and construction method thereof |
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Application publication date: 20210518 |
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