CN109457952A - A kind of return back to top ruggedized construction and its construction method for post-cast strip cantilever - Google Patents
A kind of return back to top ruggedized construction and its construction method for post-cast strip cantilever Download PDFInfo
- Publication number
- CN109457952A CN109457952A CN201811384537.7A CN201811384537A CN109457952A CN 109457952 A CN109457952 A CN 109457952A CN 201811384537 A CN201811384537 A CN 201811384537A CN 109457952 A CN109457952 A CN 109457952A
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- post
- pvc pipe
- cast strip
- pivoted housing
- wall
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- 238000010276 construction Methods 0.000 title claims abstract description 47
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 18
- 239000010959 steel Substances 0.000 claims abstract description 18
- 238000003032 molecular docking Methods 0.000 claims abstract description 5
- 238000005266 casting Methods 0.000 claims description 8
- 239000003381 stabilizer Substances 0.000 claims description 7
- 239000004568 cement Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 description 6
- 238000011065 in-situ storage Methods 0.000 description 3
- 238000009416 shuttering Methods 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000036244 malformation Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- E04G11/36—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor shutterings
- E04G11/48—Supporting structures for shutterings or frames for floors or roofs
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The invention discloses a kind of return back to top ruggedized construction and its construction methods for post-cast strip cantilever, can solve traditional post-cast strip cantilever design return back to top mode mostly use greatly steel pipe scaffold support way, the drawbacks of such way, is that, after original full hall support scaffolding is removed, post-cast strip region is not returned back to top or returned back to top in time is not in place, the problem of to cause beam slab cantilever end stress to change, even result in due to cantilever beam slab differential settlement and cause road surface crocking.Including pvc pipe, concrete, batten and pivoted housing, pouring inside the pvc pipe has the concrete, and the pvc pipe upper and lower ends pass through the batten and fix, the pivoted housing is socketed in the middle part of the pvc pipe outer wall, connector is welded in the middle part of the pivoted housing side wall, it is provided on the connector side wall for carrying out docking fixed clamping groove between steel pipe, and is embedded with power supply on the connector outer wall, be mounted on collet on the inner wall of two sides above and below the clamping groove.
Description
Technical field
The present invention relates to a kind of ruggedized constructions that returns back to top of post-cast strip cantilever, and in particular to a kind of returning for post-cast strip cantilever
Push up ruggedized construction and its construction method.
Background technique
Currently, most of structure is designed as simple beams and slabs in construction site, due to the indwelling of post-cast strip, structure by
Power is changed into cantilever beam slab, therefore support need to be added at post-cast strip, and the structure generated by factors such as concrete gravities is avoided to become
Shape causes beam slab cantilever root to crack, and reduces the risk of leakage in structure plate face later period.In order to guarantee structure stress requirement, by beam
Plate and alter-pouring strips mould plate support system are as same system.After waiting post-cast strip two sides beam slab concrete to reach strength of mould stripping,
Support must remove at any time when removing post-cast strip region expires hall support scaffolding, at post-cast strip returns back to top at any time.
Traditional post-cast strip cantilever design mode that returns back to top mostly uses greatly steel pipe scaffold to support way, the drawbacks of such way
It is that, after original full hall support scaffolding is removed, post-cast strip region is not returned back to top or returned back to top in time is not in place, to make
Change at beam slab cantilever end stress, even results in due to cantilever beam slab differential settlement and cause road surface crocking.
Summary of the invention
It, can be with the purpose of the present invention is to provide a kind of return back to top ruggedized construction and its construction method for post-cast strip cantilever
Solving traditional post-cast strip cantilever design mode that returns back to top mostly uses greatly steel pipe scaffold to support way, and the drawbacks of such way just exists
In post-cast strip region not being returned back to top or is returned back to top in time is not in place, to cause beam after original full hall support scaffolding is removed
Plate cantilever end stress variation, the problem of even resulting in due to cantilever beam slab differential settlement and cause road surface crocking.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of return back to top ruggedized construction and its construction method for post-cast strip cantilever, including pvc pipe, concrete, batten with
And pivoted housing, the pvc pipe inside, which is poured, the concrete, and the pvc pipe upper and lower ends pass through the batten and fix, institute
It states and is socketed with the pivoted housing in the middle part of pvc pipe outer wall；
It is welded with connector in the middle part of the pivoted housing side wall, is provided on the connector side wall for being docked between steel pipe
Fixed clamping groove, and power supply is embedded on the connector outer wall, the clamping groove are mounted on collet on two sides inner walls up and down, and two
The hydraulic telescopic rod for running through the connector side wall, two hydraulic telescopic rods one are respectively connected on a collet side wall
End is connected with the hydraulic pump being located on the pivoted housing outer wall respectively, and fixation is respectively welded on the pivoted housing and the connector side wall
There is a diagonal brace, two diagonal brace bottom ends are provided with a stabilizer blade, wear on two stabilizer blades and be connected to a bolt.
Preferably, it is connected between the pivoted housing and pvc pipe by two dismountable screws being located on pivoted housing outer wall,
And pivoted housing is made of two semicolumns, is provided with the hinged of lower both ends disposed thereon on two semicolumn two sides outer walls
Head is spliced to form pivoted housing by wearing the dismountable nut connect in articulated joint between two semicolumns.
Preferably, after the screw disassembling, in rotation connection between pivoted housing and pvc pipe outer wall.
Preferably, the arc-shaped structure of the collet, and collet is movably connected by hydraulic telescopic rod and inner nosepiece wall.
A kind of construction method of the ruggedized construction that returns back to top for post-cast strip cantilever, includes the following steps:
Step 1: when construction site basement post-pouring zone cantilever design is constructed, first at the template of cantilever beam slab as required
Diameter is reserved with pvc pipe hole, before casting concrete, is sequentially arranged vertical pvc pipe according to template reserved opening, pvc pipe
Height is high layer by layer with this, while being fixed to above and below pvc pipe with batten, prevents horizontal displacement, and is arranged at structural beams
A piece standpipe；
Step 2: casting concrete, when pouring to concrete casting is also carried out in pvc pipe, to post-cast strip two sides beam slab
After concrete reaches strength of mould stripping, when removing post-cast strip region expires hall support scaffolding, PVC standpipe keeps the state that returns back to top.
Preferably, the pvc pipe diameter be 150mm, and the height of pvc pipe according to live structure sheaf height determine, lay away from
It is arranged from along post-cast strip direction 2m.
Preferably, the batten that the pvc pipe top and bottom surrounding are all made of wide 20mm is fixed.
Preferably, the batten is the strip that template is cut into, and batten bottom is fixed on structural slab by cement nail, and
Batten end is fixed in template.
Beneficial effects of the present invention: the process of construction method is simple, strong operability, difficulty of construction are small, due to presetting PVC
Concrete pours together with cast-in-situ beam slab in pipe, is linked to be entirety, before in post-cast strip, cantilever design concrete strength reaches 100% all
Without removing, avoids and first removed using conventional method during support for shuttering returns back to top again, because the factors such as self weight are to cantilever design
Malformation caused by end, to improve construction quality.
Compared with traditional steel pipe scaffold support returns back to top method, tube material is substantially increased using this construction method
Turnover rate has saved engineering cost.
Construction site post-cast strip cantilever design is avoided after demoulding, using steel pipe frame return back to top it is not in place, return back to top not in time
The phenomenon that not returning back to top even, reduces the risk of leakage of post-cast strip region.
By being socketed the pivoted housing using diagonal brace support on pvc pipe outer wall, and it is welded with and is used for and steel on pivoted housing side wall
The fixed connector of pipe docking, due to being fixed between pivoted housing and pvc pipe by two dismountable screws, so that connector is needing to adjust
Perfect square to when can rotate through knockout screw and on pvc pipe and to be adjusted so that pvc pipe always can during installation
It is enough to carry out docking fixation between steel pipe.
Detailed description of the invention
In order to facilitate the understanding of those skilled in the art, the present invention will be further described below with reference to the drawings.
Fig. 1 is overall structure of the present invention；
Fig. 2 is plan view of the present invention；
Fig. 3 is pivoted housing structural schematic diagram of the present invention；
Fig. 4 is the a-quadrant details enlarged drawing in Fig. 3 of the present invention；
In figure: 1, pvc pipe；2, concrete；3, batten；4, pivoted housing；5, connector；6, diagonal brace；7, hydraulic pump；8, hydraulically extensible
Bar；9, screw；10, stabilizer blade；11, bolt；12, collet；13, power supply；14, clamping groove；15, articulated joint.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with embodiment, it is clear that described reality
Applying example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is general
Logical technical staff all other embodiment obtained without creative efforts belongs to what the present invention protected
Range.
It please refers to shown in Fig. 1-4, a kind of return back to top ruggedized construction and its construction method for post-cast strip cantilever, including PVC
Pipe 1, concrete 2, batten 3 and pivoted housing 4 pour inside pvc pipe 1 and are inoculated with concrete 2, and 1 upper and lower ends of pvc pipe pass through batten
3 is fixed, is socketed with pivoted housing 4 in the middle part of 1 outer wall of pvc pipe；
It is welded with connector 5 in the middle part of 4 side wall of pivoted housing, is provided on 5 side wall of connector for carrying out docking fixation between steel pipe
Clamping groove 14, and be embedded with power supply 13 on 5 outer wall of connector, be mounted on collet 12 on about 14 two sides inner wall of clamping groove, two
Be respectively connected with the hydraulic telescopic rod 8 of 5 side wall of penetrator on 12 side wall of collet, two 8 one end of hydraulic telescopic rod respectively with
Hydraulic pump 7 on 4 outer wall of pivoted housing is connected, and is respectively welded on pivoted housing 4 and 5 side wall of connector and is fixed with a diagonal brace 6, and two
6 bottom end of diagonal brace is provided with a stabilizer blade 10, wears on two stabilizer blades 10 and is connected to a bolt 11.
It is connected between pivoted housing 4 and pvc pipe 1 by two dismountable screws 9 being located on 4 outer wall of pivoted housing, so that turning
Adjustment direction can be rotated on 1 outer wall of pvc pipe after removal by covering the screw 9 on 4 outer walls, and pivoted housing 4 is by two semicolumn structures
At, be provided with the articulated joint 15 at lower both ends disposed thereon on two semicolumn two sides outer walls, two semicolumns it
Between be spliced to form pivoted housing 4 by wearing the dismountable nut connect in articulated joint 15 so that the nut in disassembly articulated joint 15
Pivoted housing 4 is split in two semicolumns afterwards, so as to dismantle from pvc pipe 1.
After screw 9 is dismantled, in rotation connection between 1 outer wall of pivoted housing 4 and pvc pipe, so that turning in two rotations of screw 9 of disassembly
After set 4, the clamping groove 14 on connector 5 is enabled to adjust to towards steel pipe.
The arc-shaped structure of collet 12, and collet 12 is movably connected by hydraulic telescopic rod 8 and 5 inner wall of connector, is being started
Power supply 13 can start two hydraulic pumps 7 using power supply 13, to drive hydraulic telescopic rod 8 to drive collet using hydraulic pump 7
12 clamping steel pipes, it is ensured that stability.
A kind of construction method of the ruggedized construction that returns back to top for post-cast strip cantilever, which comprises the steps of:
Step 1: when construction site basement post-pouring zone cantilever design is constructed, first at the template of cantilever beam slab as required
Diameter is reserved with 1 hole of pvc pipe, before casting concrete 2, is sequentially arranged vertical pvc pipe 1, pvc pipe according to template reserved opening
1 height is high layer by layer with this, while about 1 pvc pipe being fixed with batten 3, prevents horizontal displacement, and at structural beams
A piece standpipe is set；
Step 2: casting concrete 2, when pouring to the pouring of concrete 2 is also carried out in pvc pipe 1, to two curb girder of post-cast strip
After board concrete 2 reaches strength of mould stripping, when removing post-cast strip region expires hall support scaffolding, PVC standpipe 1 keeps the shape that returns back to top
State, the process of construction method is simple, strong operability, difficulty of construction are small, due to concrete and cast-in-situ beam slab one in default pvc pipe
With pouring, it is linked to be entirety, without removing before cantilever design concrete strength reaches 100% in post-cast strip, avoids using biography
System method is first removed during support for shuttering returns back to top again, because the factors such as self weight are malformation caused by cantilever design end, from
And improve construction quality.
1 diameter of pvc pipe is 150mm, and the height of pvc pipe 1 is determined according to live structure sheaf height, lays distance along post-cast strip
Direction 2m arrangement.
The batten 3 that 1 top of pvc pipe and bottom surrounding are all made of wide 20mm is fixed.
Batten 3 is the strip that template is cut into, and 3 bottom of batten is fixed on structural slab by cement nail, and 3 end of batten
It is fixed in template.
In the use of the present invention, in the construction of post-cast strip cantilever design, first being pressed at the template of cantilever beam slab referring to Fig. 1
It is required that reserved diameter hole identical with 1 diameter of pvc pipe, before casting concrete, according to template reserved opening successively cloth
Vertical pvc pipe 1 is set, and the setting height of pvc pipe 1 is high layer by layer identical as this.
Then, referring to fig. 2, it while laying pvc pipe 1, is fixed to surrounding is carried out with batten 3 above and below standpipe, prevents water
Prosposition moves, and batten 3 is the strip that template is cut into, and wide 20mm is fixed on structural slab in bottom by cement nail, solid in end
It is scheduled in template.It using the pvc pipe 1 of diameter 150mm, is highly determined according to live structure sheaf height, lays distance along post-cast strip side
It is arranged to 2m, and then, dismantles two screws 9 and rotate pivoted housing 4 to which 4 direction of pivoted housing be adjusted, so that on connector 5
Clamping groove 14 is adjusted to towards steel pipe, restarts power supply 13, starts two hydraulic pumps 7 using power supply 13, to utilize hydraulic pump 7
Hydraulic telescopic rod 8 is driven to drive the clamping steel pipe of collet 12, two bolts 11 of 6 bottom of diagonal brace is recycled to carry out fixing PVC pipe 1
Position, so that stabilization is docked between pvc pipe 1 and steel pipe.After after post-cast strip two sides, beam slab concrete reaches strength of mould stripping, removing
When post-cast strip region expires hall support scaffolding, and PVC standpipe 1 then keeps the state that returns back to top, due in default pvc pipe 1 concrete 2 with
Cast-in-situ beam slab pours together, is linked to be entirety, without removing before in post-cast strip, cantilever design concrete strength reaches 100%, keeps away
Exempt from first to remove using conventional method during support for shuttering returns back to top again, because the factors such as self weight are tying caused by cantilever design end
Structure deformation, to improve construction quality.It is big using this construction method compared with traditional steel pipe scaffold support returns back to top method
The turnover rate for improving tube material greatly, has saved engineering cost.Construction site post-cast strip cantilever design is avoided after demoulding,
Being returned back to top using steel pipe frame, not in place, return back to top the phenomenon that returning back to top not in time or even not, reduces the risk of leakage of post-cast strip region.
Present invention disclosed above preferred embodiment is only intended to help to illustrate the present invention.There is no detailed for preferred embodiment
All details are described, are not limited the invention to the specific embodiments described.Obviously, according to the content of this specification,
It can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to better explain the present invention
Principle and practical application, so that skilled artisan be enable to better understand and utilize the present invention.The present invention is only
It is limited by claims and its full scope and equivalent.
Claims (8)
1. a kind of ruggedized construction that returns back to top for post-cast strip cantilever, including pvc pipe (1), concrete (2), batten (3) and pivoted housing
(4), which is characterized in that pouring inside the pvc pipe (1) has the concrete (2), and the pvc pipe (1) upper and lower ends are logical
It crosses the batten (3) to fix, is socketed with the pivoted housing (4) in the middle part of pvc pipe (1) outer wall；
Be welded with connector (5) in the middle part of pivoted housing (4) side wall, be provided on connector (5) side wall between steel pipe into
The fixed clamping groove (14) of row docking, and be embedded with power supply (13) on the connector (5) outer wall, the clamping groove (14) two sides up and down
It is mounted on inner wall collet (12), one is respectively connected on two collet (12) side walls through the connector (5) side wall
Hydraulic telescopic rod (8), two described hydraulic telescopic rod (8) one end respectively be located at the pivoted housing (4) outer wall on hydraulic pump
(7) it is connected, is respectively welded on the pivoted housing (4) and the connector (5) side wall and is fixed with a diagonal brace (6), two described oblique
Support (6) bottom end is provided with a stabilizer blade (10), wears on two stabilizer blades (10) and is connected to a bolt (11).
2. a kind of ruggedized construction that returns back to top for post-cast strip cantilever according to claim 1, which is characterized in that the pivoted housing
(4) between pvc pipe (1) by be located at pivoted housing (4) outer wall on two dismountable screws (9) be connected, and pivoted housing (4) by
Two semicolumns are constituted, and are provided with the articulated joint (15) at lower both ends disposed thereon on two semicolumn two sides outer walls, and two
Pivoted housing (4) are spliced to form by wearing the dismountable nut connect on articulated joint (15) between a semicolumn.
3. a kind of ruggedized construction that returns back to top for post-cast strip cantilever according to claim 2, which is characterized in that the screw
(9) after dismantling, in rotation connection between pivoted housing (4) and pvc pipe (1) outer wall.
4. a kind of ruggedized construction that returns back to top for post-cast strip cantilever according to claim 1, which is characterized in that the collet
(12) arc-shaped structure, and collet (12) is movably connected by hydraulic telescopic rod (8) and connector (5) inner wall.
5. a kind of construction method of the ruggedized construction that returns back to top for post-cast strip cantilever, which comprises the steps of:
Step 1: it when construction site basement post-pouring zone cantilever design is constructed, is first reserved as required at the template of cantilever beam slab
The same pvc pipe of diameter (1) hole is sequentially arranged vertical pvc pipe (1), PVC according to template reserved opening before casting concrete (2)
The height for managing (1) is high layer by layer with this, while pvc pipe (1) being fixed with batten (3) up and down, and is arranged at structural beams
A piece standpipe；
Step 2: casting concrete (2), when pouring to concrete (2) pouring is also carried out in pvc pipe (1), to post-cast strip two sides
After beam slab concrete (2) reaches strength of mould stripping, when removing post-cast strip region expires hall support scaffolding, PVC standpipe (1) is kept back
Dome-shaped state.
6. a kind of construction method of ruggedized construction that returns back to top for post-cast strip cantilever according to claim 5, feature exist
In pvc pipe (1) diameter is 150mm, and the height of pvc pipe (1) is determined according to live structure sheaf height, lays distance along rear
Band direction 2m is poured to arrange.
7. a kind of construction method of ruggedized construction that returns back to top for post-cast strip cantilever according to claim 5, feature exist
It is fixed in the batten (3) that, pvc pipe (1) top and bottom surrounding are all made of wide 20mm.
8. a kind of construction method of ruggedized construction that returns back to top for post-cast strip cantilever according to claim 5, feature exist
In the batten (3) is the strip that template is cut into, and batten (3) bottom is fixed on structural slab by cement nail, and batten
(3) end is fixed in template.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811384537.7A CN109457952A (en) | 2018-11-20 | 2018-11-20 | A kind of return back to top ruggedized construction and its construction method for post-cast strip cantilever |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811384537.7A CN109457952A (en) | 2018-11-20 | 2018-11-20 | A kind of return back to top ruggedized construction and its construction method for post-cast strip cantilever |
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| Publication Number | Publication Date |
|---|---|
| CN109457952A true CN109457952A (en) | 2019-03-12 |
Family
ID=65611191
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811384537.7A Pending CN109457952A (en) | 2018-11-20 | 2018-11-20 | A kind of return back to top ruggedized construction and its construction method for post-cast strip cantilever |
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| Country | Link |
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| CN (1) | CN109457952A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111305596A (en) * | 2019-11-28 | 2020-06-19 | 上海泾东建筑发展有限公司 | Rapid dismounting and mounting reinforcing structure for beamless floor slab of basement and construction method thereof |
| CN114370070A (en) * | 2021-12-23 | 2022-04-19 | 珠海华发人居生活研究院有限公司 | Construction method for post-cast strip settlement back-to-top support |
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| KR20070051104A (en) * | 2005-11-14 | 2007-05-17 | 깨뱉시스템주식회사 | Support system for flying form |
| CN103603491A (en) * | 2013-11-22 | 2014-02-26 | 中冶天工集团有限公司 | Beam plate post-cast strip form plate support frame and setting up method thereof |
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| CN206233566U (en) * | 2016-11-11 | 2017-06-09 | 中国建筑第八工程局有限公司 | It is a kind of early to tear method alter-pouring strips mould plate supporting construction open |
| CN206844643U (en) * | 2017-06-26 | 2018-01-05 | 常嘉建设集团有限公司 | Post-cast strip independence braced wing support combination unit |
| CN209637208U (en) * | 2018-11-20 | 2019-11-15 | 中建四局第六建筑工程有限公司 | A kind of ruggedized construction that returns back to top for post-cast strip cantilever |
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| GB1195366A (en) * | 1966-07-06 | 1970-06-17 | Mills Scaffold Co Ltd | Improved Shuttering Prop and Assembly for use in Building Construction |
| KR20070051104A (en) * | 2005-11-14 | 2007-05-17 | 깨뱉시스템주식회사 | Support system for flying form |
| CN103603491A (en) * | 2013-11-22 | 2014-02-26 | 中冶天工集团有限公司 | Beam plate post-cast strip form plate support frame and setting up method thereof |
| CN103806646A (en) * | 2014-02-18 | 2014-05-21 | 广东信海建筑有限公司 | Formwork early-removal construction method allowing three-dimensional space size to be adjustable |
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| CN206844643U (en) * | 2017-06-26 | 2018-01-05 | 常嘉建设集团有限公司 | Post-cast strip independence braced wing support combination unit |
| CN209637208U (en) * | 2018-11-20 | 2019-11-15 | 中建四局第六建筑工程有限公司 | A kind of ruggedized construction that returns back to top for post-cast strip cantilever |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111305596A (en) * | 2019-11-28 | 2020-06-19 | 上海泾东建筑发展有限公司 | Rapid dismounting and mounting reinforcing structure for beamless floor slab of basement and construction method thereof |
| CN114370070A (en) * | 2021-12-23 | 2022-04-19 | 珠海华发人居生活研究院有限公司 | Construction method for post-cast strip settlement back-to-top support |
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Application publication date: 20190312 |