CN108589767B - Turnbuckle single-sided vertical die inclined throwing and supporting device and construction method thereof - Google Patents
Turnbuckle single-sided vertical die inclined throwing and supporting device and construction method thereof Download PDFInfo
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- CN108589767B CN108589767B CN201810732783.0A CN201810732783A CN108589767B CN 108589767 B CN108589767 B CN 108589767B CN 201810732783 A CN201810732783 A CN 201810732783A CN 108589767 B CN108589767 B CN 108589767B
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- 238000010276 construction Methods 0.000 title claims abstract description 33
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 101
- 239000010959 steel Substances 0.000 claims abstract description 101
- 238000003825 pressing Methods 0.000 claims abstract description 26
- 230000002787 reinforcement Effects 0.000 claims abstract description 6
- 239000002023 wood Substances 0.000 claims description 27
- 239000011120 plywood Substances 0.000 claims description 20
- 230000003014 reinforcing effect Effects 0.000 claims description 15
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 11
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 11
- 241001330002 Bambuseae Species 0.000 claims description 11
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 11
- 239000011425 bamboo Substances 0.000 claims description 11
- 230000000452 restraining effect Effects 0.000 claims description 3
- 238000009415 formwork Methods 0.000 abstract description 22
- 238000000034 method Methods 0.000 abstract description 15
- 230000008569 process Effects 0.000 abstract description 10
- 239000002002 slurry Substances 0.000 abstract description 5
- 238000009417 prefabrication Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
-
- 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
- E04G17/14—Bracing or strutting arrangements for formwalls; Devices for aligning forms
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- Engineering & Computer Science (AREA)
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- Architecture (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
The invention provides a turnbuckle single-sided vertical die inclined throwing and supporting device and a construction method, wherein the device comprises the following components: the side wall template is arranged at the outer side of the structural side wall; the template pressing beam is arranged at the outer side of the side wall template, and the upper end and the lower end of the template pressing beam are fixed through horizontal pull rods in a pulling and riveting mode; one end of the steel pipe is connected with and reinforces the template pressing beam, and the other end of the steel pipe is connected with the bottom plate; the anti-floating reinforcement ring is embedded in a chamfer position at the joint of the bottom plate and the structural side wall; and the turnbuckle is connected with the template pressing beam and the embedded anti-floating steel bar ring to carry out vertical constraint and horizontal re-reinforcement. The invention adopts the turnbuckle to provide the template anti-buoyancy and the template prefabrication and splicing, optimizes the structural support form and the plate surface system of the template, overcomes the common quality problems of mould expansion, slurry leakage, staggered platform and the like caused by the upward floating of the inclined throwing support system, and ensures the verticality and the flatness of the wall body. The process construction is convenient and fast, the economy is good, the engineering quality is ensured, and the single-sided vertical formwork support system is greatly optimized.
Description
Technical Field
The invention belongs to the technical field of construction engineering, and mainly relates to a device and a construction method for supporting templates at parts such as a U-shaped groove side wall, a basement (underground space) outer wall and the like, in particular to a turnbuckle single-sided vertical die inclined throwing and supporting device and a construction method thereof.
Background
In the construction of U-shaped grooves in a plurality of underground space side walls, box culvert structures and river channels, the structure side walls cannot adopt double-side formwork support due to the restriction of construction sites, and a single-side formwork support method is adopted. The single-side formwork supporting process generally adopts steel pipes to set up bent frames as a supporting system of the formwork, the process has high construction space requirement, long setting period and large labor capacity due to large number of steel pipes, the single formwork supporting height is low, the defects of floating of the formwork, expansion of the formwork, poor flatness and perpendicularity of the concrete wall surface and the like are easy to occur, and the construction quality is difficult to guarantee. The turnbuckle single-sided vertical die inclined throwing and supporting method is the optimization and the lifting of the traditional single-sided vertical die. The traditional single-sided formwork erection generally utilizes a supporting system consisting of a full scaffold and a template square timber, and when the conditions of simultaneous construction in multiple working procedures, narrow working space, tight construction period requirement, formwork erection of a high-large wall body and high construction difficulty are met, the requirement of the traditional single-sided formwork erection cannot be met. The turnbuckle single-sided vertical die inclined throwing support is one effective way for solving the above difficulties.
Disclosure of Invention
The invention mainly aims at solving the problem that in the construction of U-shaped grooves in a plurality of underground space side walls, box culvert structures and river channels, the side walls of the structures cannot adopt double-side formwork due to the restriction of construction sites, and provides a simple and efficient single-side formwork supporting device and a construction method.
In order to achieve the above purpose, the present invention provides a turnbuckle single-sided vertical die inclined polishing and supporting device, comprising:
the side wall template is arranged at the outer side of the structural side wall;
The template pressing beam is arranged at the outer side of the side wall template, and the upper end and the lower end of the template pressing beam are fixed through horizontal pull rods in a pulling and riveting mode;
One end of the steel pipe is connected with and reinforces the template pressing beam, and the other end of the steel pipe is connected with the bottom plate;
the anti-floating reinforcement ring is embedded in a chamfer position at the joint of the bottom plate and the structural side wall;
And the turnbuckle is connected with the template pressing beam and the embedded anti-floating steel bar ring to carry out vertical constraint and horizontal re-reinforcement.
Furthermore, the side wall templates are formed into a plate surface system through steel-wood combined edges after being spliced outside the field of the bamboo plywood or the wood plywood.
Further, the side wall templates are made of bamboo plywood or wood plywood, the side wall templates are vertically spliced into single templates with the same height as the wall body in the carpenter's shed, the single templates are lifted once and then are transversely connected into a large panel through butterfly buckles, the keels are made of steel-wood combined edges, the main edges are made of square wood, and the secondary edges are made of double steel pipes.
Furthermore, the template pressing beam adopts I-steel.
Furthermore, the upper end and the lower end of the template pressing beam are provided with channel steel for reinforcing transverse rigidity.
Furthermore, angle steel is welded on the outer side of the template pressing beam so that the steel pipe is supported by the oblique throwing support.
Further, the upper end of the steel pipe inclined throwing support is provided with an adjustable bearing.
Furthermore, diagonal bracing foot ribs are arranged on the bottom plate, so that the steel pipe is supported by diagonal throwing support.
Further, the number of the steel pipe inclined throwing supports is 2.
In order to achieve the above purpose, the invention also provides a construction method of the turnbuckle single-sided vertical die inclined throwing and supporting device, which comprises the following steps:
Pouring a structural bottom plate, embedding a horizontal pull rod and an anti-floating steel bar ring in the chamfer position, and reserving two rows of diagonal bracing foot bars on the bottom plate;
The bamboo plywood or the wood plywood is spliced outside the field and then a board surface system is formed through steel-wood combined edges, so that a side wall template is formed;
hoisting I-steel serving as a template pressing beam, reinforcing transverse rigidity at the upper end and the lower end of the I-steel by using channel steel, and then reinforcing horizontally by using a pull rod;
According to the height of the structural side wall, two steel pipe diagonal braces are arranged on the outer side of the I-shaped steel, angle steel is welded on the outer side of the I-shaped steel so as to facilitate the steel pipe diagonal braces, and an adjustable bearing is arranged at the upper end of the steel pipe diagonal braces;
And finally, vertically restraining and horizontally reinforcing the I-steel and the embedded anti-floating steel bar ring again by adopting turnbuckle screws to respectively connect the I-steel and the embedded anti-floating steel bar ring up and down.
According to the turnbuckle single-sided vertical die inclined throwing and supporting device and the construction method thereof, the turnbuckle single-sided vertical die inclined throwing and supporting method is used for providing anti-buoyancy force for the template and prefabricating and splicing the template, so that the structural support form and the board surface system of the template are optimized, the quality common problems of die expansion, slurry leakage, dislocation and the like caused by floating of the inclined throwing and supporting system are effectively overcome, and the perpendicularity and flatness of a wall body are ensured. The process is convenient and quick to construct, has good economical efficiency, ensures engineering quality, greatly optimizes a single-sided formwork supporting system, and is a great innovation of a single-sided formwork supporting process.
Drawings
Fig. 1 is a schematic structural view of a single-sided vertical die inclined throwing and supporting device for turnbuckle screws according to a preferred embodiment of the invention.
Fig. 2 is a flow chart of a construction method of the turnbuckle single-sided vertical die inclined throwing and supporting device according to the preferred embodiment of the invention.
Detailed Description
The following description of the embodiments of the present invention is given with reference to the accompanying drawings, but the present invention is not limited to the following embodiments. Advantages and features of the invention will become more apparent from the following description and from the claims. It is noted that the drawings are in a very simplified form and use non-precise ratios for convenience and clarity in assisting in illustrating embodiments of the invention.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a turnbuckle single-sided vertical die inclined throwing and supporting device according to a preferred embodiment of the invention. The invention provides a turnbuckle single-sided vertical die inclined throwing and supporting device, which comprises:
the side wall template 100 is arranged outside the structural side wall 10;
The template pressing beam 200 is arranged at the outer side of the side wall template 100, and the upper end and the lower end of the template pressing beam 200 are fixed by riveting through a horizontal pull rod 210;
A steel pipe inclined throwing support 300, one end of which is connected with and reinforces the template pressing beam 200, and the other end of which is connected with the bottom plate 20;
the anti-floating reinforcement ring 400 is embedded in the chamfer position at the joint of the bottom plate 20 and the structural side wall 10;
the turnbuckle 500 is used for connecting the template pressing beam 200 with the embedded anti-floating reinforcement ring 400, and carrying out vertical constraint and horizontal re-reinforcement.
According to the preferred embodiment of the present invention, the side wall template 100 is a panel system formed by steel-wood combined edges after the outer-field splicing of bamboo plywood or wood plywood. The side wall template 100 adopts a bamboo plywood or a wood plywood, is vertically spliced into a single template with the same height as a wall body in the carport, is lifted once and then is transversely connected into a large panel through a butterfly buckle, a keel adopts a steel-wood combined edge, a main edge adopts square wood, and a secondary edge adopts double steel pipes.
The template press beam 200 is made of I-steel. The upper and lower ends of the formwork compression beam 200 are provided with channel steel 220 for reinforcing transverse rigidity. And angle steel 230 is welded on the outer side of the template pressure beam 200 so as to support the steel pipe inclined throwing support 300. The upper end of the steel pipe inclined throwing support 300 is provided with an adjustable bearing 310. And inclined support foot ribs are arranged on the bottom plate so that the steel pipe is supported by inclined throwing support. The number of the steel pipe inclined throwing supports is 2.
The invention adopts a plate surface system formed by steel-wood combined ribs after the bamboo/wood glue plates are spliced outside a field, adopts a 16# I-steel as a template pressing beam, and uses horizontal pull rods for riveting and fixing the upper end and the lower end of the I-steel, and simultaneously uses steel pipes for oblique throwing and supporting and reinforcing; considering that the I-steel can be subjected to oblique counterforce of the steel pipe in the concrete pouring process to enable the whole template system to generate an upward floating condition: the turnbuckle is particularly used for providing anti-buoyancy force for the die carrier, and the lateral movement of the bottom die plate is further limited. The disassembly and assembly are more convenient, and the operation is modularized.
Referring to fig. 2 again, fig. 2 is a flow chart of a construction method of the turnbuckle single-sided vertical die inclined throwing and supporting device according to the preferred embodiment of the invention. The invention also provides a construction method of the turnbuckle single-sided vertical die inclined throwing and supporting device, which comprises the following steps:
Step S100: pouring a structural bottom plate, embedding a horizontal pull rod and an anti-floating steel bar ring in the chamfer position, and reserving two rows of diagonal bracing foot bars on the bottom plate;
step S200: the bamboo plywood or the wood plywood is spliced outside the field and then a board surface system is formed through steel-wood combined edges, so that a side wall template is formed;
step S300: hoisting I-steel serving as a template pressing beam, reinforcing transverse rigidity at the upper end and the lower end of the I-steel by using channel steel, and then reinforcing horizontally by using a pull rod;
step S400: according to the height of the structural side wall, two steel pipe diagonal braces are arranged on the outer side of the I-shaped steel, angle steel is welded on the outer side of the I-shaped steel so as to facilitate the steel pipe diagonal braces, and an adjustable bearing is arranged at the upper end of the steel pipe diagonal braces;
step S500: and finally, vertically restraining and horizontally reinforcing the I-steel and the embedded anti-floating steel bar ring again by adopting turnbuckle screws to respectively connect the I-steel and the embedded anti-floating steel bar ring up and down.
The invention provides a construction method of a turnbuckle single-sided vertical die inclined throwing and supporting device, which comprises the following steps:
① Each embedded rib
When the structural bottom plate is poured, a transverse pull rod (for calibrating and positioning, supporting a template and preventing slurry leakage and providing horizontal counter force) of 60cm is pre-buried at the chamfer positionTwo rows of 60cm foot bars are reserved on the bottom plate;
② Panel system
The wall panel adopts 15cm bamboo plywood (firstly, a carpentry shed is vertically spliced into a single template with the same height as a wall body by wood plywood, and the single template is lifted once and then transversely connected into a large panel by butterfly buckles), the keels adopt steel-wood combined edges, the main edges (vertical ribs) adopt square wood with the length of 10cm multiplied by 10cm, the spacing is 30cm, and the secondary edges (transverse ribs) adopt double edgesSteel pipes (wall thickness 3 mm) at a pitch of 50cm;
③ Oblique throwing support system
Hoisting a 16# @60cm I-steel as a template pressing beam, and reinforcing transverse rigidity at the upper end and the lower end of the I-steel by using a 16# channel steel firstly, and then reinforcing horizontally by using a pull rod for the convenience of template fixing; according to the height of the structural wall, two steel pipe diagonal braces are arranged on the outer side of the 16# I-shaped steel (angle steel is welded on the outer side of the I-shaped steel so as to facilitate the steel pipe diagonal braces), and an adjustable support is arranged at the upper end of the steel pipe;
④ Anti-floating reinforcement
Finally adoptThe turnbuckle is respectively connected with the 16# @60cm I-steel and the embedded anti-floating steel bar ring from top to bottom for vertical constraint and horizontal re-reinforcement.
The process characteristics of the invention are as follows:
The turnbuckle and the horizontal pull rod are adopted to strengthen the sole, so that the formwork support system is optimized: the transverse pull rod is horizontally restrained, the turnbuckle is vertically anti-floating, and the turnbuckle is inclined to be reinforced, so that a triangular linear stable structural unit is formed, and then the triangular linear stable structural unit is longitudinally combined into the whole formwork support system. Simple structure, convenient construction and quick work efficiency.
The pre-buried sole transverse pull rod not only provides the horizontal counter force of the template, but also effectively positions the lower opening of the template: the appearance is neat and attractive, and slurry leakage is avoided;
The turnbuckle further limits the horizontal displacement of the template, simultaneously directly provides the anti-buoyancy of the template, simplifies the complex supporting system of the traditional single-sided vertical die, has simple and reliable inclined throwing supporting structure, and each unit component can be freely adjusted and replaced according to the stress characteristics of different walls
The turnbuckle and the steel pipe inclined throwing support are convenient to install and detach, the length can be flexibly adjusted according to the change of the ground elevation, and the adaptability is better than that of a triangular truss structure.
The construction template is spliced in advance outside the field and hoisted integrally, the template has high rigidity and high work efficiency, no split bolts are needed, the number of construction joints is reduced during construction of a high wall, and the waterproof effect is good;
the engineering materials are common hardware materials, the sources are wide, the manufacture is simple, the construction and the inspection are easy, most of the materials are high in turnover frequency, and the materials can be used for other sub-engineering, and the construction can be continuously developed.
The process conditions of the invention are as follows:
The single-sided formwork erection device is suitable for single-sided formwork erection of walls, and comprises U-shaped groove side walls, basement (underground space) outer wall templates, pool wall templates of rain and sewage pump stations, road and bridge side slope retaining wall templates and the like.
The main raw materials of the invention are as follows:
The engineering hoisting is realized by adopting a 25t automobile crane, and the materials of turnbuckle and other components are generally Q235B or Q345B according to the stress condition. The components are made of plates with different thicknesses, and different types of turnbuckle screws, round steel pipes, I-steel, channel steel and the like.
The beneficial effects of the invention are as follows:
1. the modularized operation greatly improves the engineering progress (standard side wall of 25m long, 6m thick and 1m long is normally constructed for 7 days), and the quality are ensured to meet the requirements of the construction period of the owners, while the general traditional method needs about 15 days.
2. The engineering materials are common and easy to operate, the loss is small, the turnover times are large, materials such as 16# I-steel and 16# channel steel can be used for other sub-engineering, and the construction can be continuously developed.
3. No split bolt or water stop bolt is needed, and the waterproof effect can be greatly improved while the environment is protected; according to the operation result of 1 year, under the condition that one side faces 3.4 meters of water, no water leakage phenomenon exists in the U-shaped groove with the length of 1 km.
In summary, the turnbuckle single-sided vertical die inclined-cast supporting device and the construction method thereof provided by the invention adopt the turnbuckle to provide the anti-buoyancy and the prefabrication splicing of the templates, optimize the structural support form and the board surface system of the templates, effectively overcome the common quality problems of die expansion, slurry leakage, dislocation and the like caused by the upward floating of the inclined-cast supporting system, and ensure the perpendicularity and the flatness of the wall body. The process is convenient and quick to construct, has good economical efficiency, ensures engineering quality, greatly optimizes a single-sided formwork supporting system, and is a great innovation of a single-sided formwork supporting process.
While the invention has been described with reference to preferred embodiments, it is not intended to be limiting. Those skilled in the art will appreciate that various modifications and adaptations can be made without departing from the spirit and scope of the present invention. Accordingly, the scope of the invention is defined by the appended claims.
Claims (10)
1. The utility model provides a turn buckle single face upright mould oblique throwing props device which characterized in that includes:
the side wall template is arranged at the outer side of the structural side wall;
The template pressing beam is arranged at the outer side of the side wall template, and the upper end and the lower end of the template pressing beam are fixed through horizontal pull rods in a pulling and riveting mode;
One end of the steel pipe is connected with and reinforces the template pressing beam, and the other end of the steel pipe is connected with the bottom plate;
the anti-floating reinforcement ring is embedded in a chamfer position at the joint of the bottom plate and the structural side wall;
And the turnbuckle is connected with the template pressing beam and the embedded anti-floating steel bar ring to carry out vertical constraint and horizontal re-reinforcement.
2. The turnbuckle single-sided upright die inclined throwing support device according to claim 1, wherein the side wall template is a plate surface system formed by steel-wood combined edges after being spliced outside a bamboo plywood or a wood plywood.
3. The turnbuckle single-sided upright die inclined throwing and supporting device is characterized in that a bamboo plywood or a wood plywood is adopted as the side wall template, the side wall template is vertically spliced into a single template with the same height as a wall body in a wood work shed, the single template is lifted once and then is transversely connected into a large panel through a butterfly buckle, a steel-wood combined ridge is adopted as a keel, square wood is adopted as a main ridge, and double steel pipes are adopted as secondary ridges.
4. The turnbuckle single-sided upright die inclined throw support device according to claim 1, wherein the die plate pressing beam adopts I-steel.
5. The turnbuckle single-sided upright die inclined throwing support device according to claim 1, wherein the upper end and the lower end of the die plate pressing beam are provided with channel steel for reinforcing transverse rigidity.
6. The turnbuckle single-sided upright die inclined throw support device according to claim 1, wherein angle steel is welded on the outer side of the template pressure beam so that the steel pipe inclined throw support is supported.
7. The turnbuckle single-sided upright die inclined throw support device according to claim 1, wherein an adjustable support is arranged at the upper end of the steel pipe inclined throw support.
8. The turnbuckle single-sided upright die inclined throw support device according to claim 1, wherein inclined stay foot ribs are arranged on the bottom plate so that the steel pipe inclined throw support is supported.
9. The turnbuckle single-sided upright die inclined throw support device according to claim 1, wherein the number of the inclined throws of the steel pipe is 2.
10. The construction method of the turnbuckle single-sided vertical die inclined throwing and supporting device is characterized by comprising the following steps of:
Pouring a structural bottom plate, embedding a horizontal pull rod and an anti-floating steel bar ring in the chamfer position, and reserving two rows of diagonal bracing foot bars on the bottom plate;
The bamboo plywood or the wood plywood is spliced outside the field and then a board surface system is formed through steel-wood combined edges, so that a side wall template is formed;
hoisting I-steel serving as a template pressing beam, reinforcing transverse rigidity at the upper end and the lower end of the I-steel by using channel steel, and then reinforcing horizontally by using a pull rod;
According to the height of the structural side wall, two steel pipe diagonal braces are arranged on the outer side of the I-shaped steel, angle steel is welded on the outer side of the I-shaped steel so as to facilitate the steel pipe diagonal braces, and an adjustable bearing is arranged at the upper end of the steel pipe diagonal braces;
And finally, vertically restraining and horizontally reinforcing the I-steel and the embedded anti-floating steel bar ring again by adopting turnbuckle screws to respectively connect the I-steel and the embedded anti-floating steel bar ring up and down.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810732783.0A CN108589767B (en) | 2018-07-05 | 2018-07-05 | Turnbuckle single-sided vertical die inclined throwing and supporting device and construction method thereof |
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| CN201810732783.0A CN108589767B (en) | 2018-07-05 | 2018-07-05 | Turnbuckle single-sided vertical die inclined throwing and supporting device and construction method thereof |
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| CN108589767B true CN108589767B (en) | 2024-05-17 |
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| CN109629596A (en) * | 2019-01-09 | 2019-04-16 | 中国水利水电第八工程局有限公司 | Lid digs subway station side wall construction template system and construction method |
| CN110359708A (en) * | 2019-06-26 | 2019-10-22 | 五冶集团上海有限公司 | A kind of construction method adjusting outer wall template verticality |
| CN111622496A (en) * | 2020-06-22 | 2020-09-04 | 中国五冶集团有限公司 | Super large shear force wall unilateral template reinforced structure |
| CN115059298A (en) * | 2022-03-28 | 2022-09-16 | 中国十七冶集团有限公司 | Aluminum alloy formwork fast leveling and reinforcing integral mounting and dismounting structure and construction method |
| CN115162405B (en) * | 2022-07-12 | 2024-01-16 | 中国二十冶集团有限公司 | Basement sump pit, lift well template anti-floating reinforced structure |
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| 沈从周.《建筑安装工程质量监控与通病防治全书 第四册》.中国建材工业出版社,1999,第697-698页. * |
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| CN108589767A (en) | 2018-09-28 |
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