CN107514140B - Basement floor support and method for constructing outer wall and floor by using same - Google Patents
Basement floor support and method for constructing outer wall and floor by using same Download PDFInfo
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- CN107514140B CN107514140B CN201710906241.6A CN201710906241A CN107514140B CN 107514140 B CN107514140 B CN 107514140B CN 201710906241 A CN201710906241 A CN 201710906241A CN 107514140 B CN107514140 B CN 107514140B
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- horizontal
- rod
- basement
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- steel
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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
- E04G17/06—Tying means; Spacers ; Devices for extracting or inserting wall ties
- E04G17/075—Tying means, the tensional elements of which are fastened or tensioned by other means
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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
- E04G17/14—Bracing or strutting arrangements for formwalls; Devices for aligning forms
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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
- E04G17/16—Members, e.g. consoles, for attachment to the wall to support girders, beams, or the like carrying forms or moulds for floors, lintels, or transoms
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The invention discloses a basement floor support and a construction method using the same, the support comprises a vertical rod, a transverse horizontal rod, a longitudinal horizontal rod and a fastener, wherein a screw rod is sleeved at the outer end of each transverse horizontal rod which is equal to the opposite-pull steel bar of a basement outer wall side module, an adjusting nut is screwed on the screw rod, the adjusting nut is abutted against the outer end of the transverse horizontal rod, a jacking for clamping and embedding a double-steel-tube horizontal rib on the inner side of the opposite-pull steel bar is arranged at the outer end of the screw rod, and the jacking is bound and fixed with the clamped double-steel-tube horizontal rib; the key of the method is as follows: the support is utilized to simultaneously provide support for the side mold assembly of the basement outer wall and the floor bottom mold plate, and the basement outer wall and the floor concrete are integrally cast. The support and the method effectively shorten the construction period.
Description
Technical Field
The invention relates to a template support construction technology of a cast-in-place concrete structure in the field of civil construction engineering, in particular to a floor support of a basement structure and a method for constructing an outer wall and a floor of the basement structure by using the floor support of the basement.
Background
With the development of economy and the progress of technology, urban underground spaces (basements) are increasingly used. The basement structure is positioned in the foundation pit, and the reinforced concrete pile is adopted in the soft soil foundation as a foundation pit enclosure according to different geological conditions and design depth of the basement engineering, so that the foundation pit is widely applied. When the land is used in tension, the distance between the enclosure row piles and the basement outer wall is small, and the space for supporting the outer side formwork is lacking between the enclosure row piles and the basement outer wall, so that the basement outer wall can only be constructed in a mode of supporting the inner side single side formwork; or, according to the relevant regulations of urban rail transit safety protection, plain concrete and main body structure synchronous backfilling compaction should be adopted between the enclosure row piles and the basement outer wall, so that the basement outer wall can only be constructed by adopting an inner side single-side formwork supporting mode.
The construction method of the single-side formwork on the inner side of the basement outer wall comprises the steps of sinking and leveling the inner surface of a retaining row pile, spraying fine stone concrete, binding the reinforcing steel bar of the basement outer wall, implanting opposite-pull reinforcing steel bars on the retaining row pile, welding a water stop plate at the middle section of the opposite-pull reinforcing steel bars, welding a limit plate at the position, close to the inner end, of the opposite-pull reinforcing steel bars, abutting an inner side formwork of the basement outer wall on the limit plate, fixing a vertical square wood edge on the inner surface of the side formwork, pressing a double-steel-pipe horizontal edge on the inner side of the square wood edge, penetrating a gable buckle through the opposite-pull reinforcing steel bars, buckling the double-steel-pipe horizontal edge, and screwing in a fastening nut at the inner end of the opposite-pull reinforcing steel bars, and compacting the gable buckle, the double-steel-pipe horizontal edge, the square wood edge, the side formwork and the limit plate in sequence to form the basement outer wall side formwork assembly; as shown in fig. 1, the outer wall side mold assembly 102 is reinforced by a steel pipe fastening type tripod 101, specifically, the tripod 101 is formed by connecting a vertical rod 103, a horizontal rod 104 and an inclined rod 105 through a fastener 106, a slip-resistant rib 108 is implanted in the concrete of a basement bottom plate 107, the top end of the inclined rod 105 is abutted and fixed with a gable fastener 109, and the bottom end of the inclined rod 105 is abutted and fixed with the slip-resistant rib 108. And after the single-side formwork supporting is completed, the concrete of the basement outer wall can be poured.
The construction process of the basement floor slab in the prior art is that a fastener type steel pipe bracket of a vertical rod and a horizontal rod is erected upwards from a basement bottom plate, a top plate bottom template is paved at the top of the bracket, then floor slab steel bars are bound, and finally floor slab concrete is poured.
The construction method of the prior art has the following defects: firstly, a floor support and an outer wall single-side formwork are overlapped in space positions and interfere with each other, so that the floor support and the outer wall single-side formwork cannot be synchronously erected, the outer wall single-side formwork must be erected first, then outer wall concrete is poured, after the outer wall concrete is dry and hard, the outer side formwork is removed, and then the floor support can be erected and subsequent floor construction can be carried out, so that the construction period is long, the construction speed is low, and Shi Gongxiao difference is caused; secondly, the process of erecting and dismantling the steel pipe fastener type tripod for reinforcing the outer wall side die assembly is troublesome, and especially the antiskid ribs are required to be planted on the bottom plate in a drilling mode, and the antiskid ribs are required to be cut off during dismantling, so that time and labor are wasted, the material consumption and labor cost are increased, and the economic benefit is poor.
Disclosure of Invention
The invention aims to solve the technical problem of providing a basement floor support which can provide lateral tie support for a basement outer wall side module and can also provide longitudinal support for a floor bottom module during construction.
The invention provides a basement floor support which comprises a vertical rod, a transverse horizontal rod, a longitudinal horizontal rod and a fastener, wherein the vertical rod, the transverse horizontal rod and the longitudinal horizontal rod are connected into a whole through the fastener, a screw rod is sleeved at the outer end of each transverse horizontal rod which is equal to the opposite-pull steel bar of a basement outer wall side mold assembly, an adjusting nut is screwed on the screw rod, the adjusting nut abuts against the outer end of the transverse horizontal rod, a jacking for clamping the double-steel-tube horizontal rib on the inner side of the opposite-pull steel bar is arranged at the outer end of the screw rod, and the jacking is fixedly bound with the clamped double-steel-tube horizontal rib.
The invention aims to provide a method for constructing the basement outer wall and the floor by using the basement floor bracket, which can synchronously support the basement outer wall side mold assembly and the floor bottom mold plate.
The invention provides a method for constructing a basement outer wall and a floor by using the basement floor support, which comprises the following steps: after the basement outer wall side die assembly is erected, erecting the upright rods, the transverse horizontal rods and the longitudinal horizontal rods into floor supports by using fasteners, synchronously inserting the inner ends of the screws into the corresponding transverse horizontal rods, clamping and embedding the jacking at the outer ends of the screws into the corresponding double-steel-pipe horizontal ribs of the basement outer wall side die assembly, rotating the adjusting nuts to enable the adjusting nuts to be abutted against the outer ends of the transverse horizontal rods, and binding and fixing the jacking at the outer ends of the screws with the clamped double-steel-pipe horizontal ribs by using iron wires; and then paving a floor bottom template on the floor support, binding floor steel bars, and finally integrally casting the basement outer wall and the floor concrete.
Compared with the prior art, the basement floor support serving as a single-side formwork of the basement outer wall and the method for constructing the basement outer wall and the floor by using the basement floor support have the following advantages and effects.
Firstly, the floor bracket can realize the following two functions: the lateral tie support can be provided for the basement outer wall side die assembly and the longitudinal support can be provided for the floor bottom die plate, so that the step of erecting a tripod for reinforcement for the outer wall side die assembly in the prior art is omitted, the process of implanting the anti-slip ribs into the basement bottom plate is naturally avoided, and the steps of cutting the anti-slip ribs and dismantling the tripod are also avoided, so that time and labor are saved, the consumption of materials is reduced, the labor cost is reduced, and the economic benefit is improved; more importantly, as one bracket supports the side mold of the outer wall and the bottom mold plate of the floor slab, the concrete of the outer wall and the floor slab of the basement can be integrally poured, so that the construction process is greatly accelerated, the construction period is obviously shortened, the construction speed is greatly accelerated, and the construction efficiency is obviously improved.
Preferably, the floor slab support further comprises a transverse additional horizontal short rod and a longitudinal additional horizontal rod, and the transverse additional horizontal short rod and the longitudinal additional horizontal rod are also connected with the upright rod through fasteners; the outer end of each transverse additional horizontal short rod is sleeved with a screw rod with a jacking and adjusting nut. Correspondingly, when the vertical distance between the opposite-pull steel bars of the basement outer wall is inconsistent with the vertical distance between the transverse horizontal bars of the floor support, and the opposite-pull steel bars of the basement outer wall lack the transverse horizontal bars, connecting transverse additional horizontal short bars with the same height as the opposite-pull steel bars on the vertical bars of the floor support, inserting a screw rod with a jacking and adjusting screw cap at the inner ends of the transverse additional horizontal short bars, and rotating the adjusting screw cap to enable the jacking clamp to clamp and embed the corresponding double-steel-pipe horizontal ribs and bind and fix the corresponding double-steel-pipe horizontal ribs. Therefore, the problem that the lateral support cannot be obtained by the split steel bars due to the fact that the vertical distance between the split steel bars is small and the vertical distance between the transverse horizontal rods of the floor slab support is large is solved, and the lateral tie support capacity of the support is further enhanced.
Drawings
Fig. 1 is a schematic front view of a single side formwork of a basement exterior wall of the prior art.
Fig. 2 is a schematic top view of a basement floor support of the present invention which doubles as a single side formwork for the basement exterior wall.
Fig. 3 is a schematic cross-sectional view taken along the direction A-A in fig. 2.
Fig. 4 is a schematic sectional view of the structure along the direction B-B in fig. 2.
Fig. 5 is a schematic front view of the basement floor frame of the present invention which doubles as a single side formwork for the basement exterior wall.
Shown in the figure
the invention relates to a basement floor support, which comprises components 1, upright posts, 2, transverse horizontal rods, 3, longitudinal horizontal rods, 4, fasteners, 5, opposite-pull steel bars, 6, screws, 7, adjusting nuts, 8, double-steel-pipe horizontal ribs, 9, jacking, 10, iron wires, 11, transverse additional horizontal short rods, 12, longitudinal additional horizontal rods, 13, bottom templates, 14, floor steel bars, 15, basement bottom plates, 16, enclosure row piles, 17, fine stone concrete, 18, outer wall steel bars, 19, water stop plates, 20, limiting plates, 21, side templates, 22, square wood ribs, 23, mountain buckles, 24, fastening nuts, d, vertical intervals of opposite-pull steel bars, h and vertical intervals of transverse horizontal rods.
Detailed Description
The invention will be further described with reference to the drawings and the specific examples.
As shown in fig. 2, 3, 4 and 5, the basement floor support of the present invention, which is also used as a single side formwork of an outer wall of a basement, comprises a vertical rod 1, a horizontal rod 2, a longitudinal rod 3 and a fastener 4, wherein the vertical rod 1, the horizontal rod 2 and the longitudinal rod 3 are connected into an integral support through the fastener 4, the support is erected on a basement bottom plate 15, and a basement floor bottom formwork 13 is erected on the support.
The outer end of each transverse horizontal rod 2 which is equal to the opposite-pull steel bars 5 of the basement outer wall side mold assembly is sleeved with a screw rod 6, an adjusting nut 7 is screwed on the screw rod 6, the adjusting nut 7 is propped against the outer end of the transverse horizontal rod 2, the outer end of the screw rod 6 is provided with a jacking 9 used for clamping the double-steel-tube horizontal ribs 8 on the inner sides of the opposite-pull steel bars 5, the jacking 9 is preferably U-shaped, the jacking 9 and the clamped double-steel-tube horizontal ribs 8 are bound to realize the tie fixation of the basement outer wall side mold assembly, the binding process is generally implemented by using iron wires 10, and the binding fixation can be implemented by adopting braiding belts and the like.
The floor slab bracket also comprises a transverse additional horizontal short rod 11 and a longitudinal additional horizontal rod 12, and the transverse additional horizontal short rod 11 and the longitudinal additional horizontal rod 12 are also connected with the vertical rod 1 through the fastener 4; the outer end of each transverse additional horizontal short rod 11 is also sleeved with a screw rod 6 with a jacking 9 and an adjusting nut 7.
The invention relates to a method for constructing a basement outer wall and a floor by using a basement floor bracket.
The method comprises the steps of erecting a basement outer wall side die assembly, specifically, chiseling the inner surface of a fender pile 16, spraying fine stone concrete 17 for leveling, binding an outer wall reinforcing steel bar 18, implanting a counter-pulling reinforcing steel bar 5 on the fender pile 16, welding a water stop plate 19 at the middle section of the counter-pulling reinforcing steel bar 5, welding a limiting plate 20 at the position, close to the inner end, of the counter-pulling reinforcing steel bar 5, abutting a side die plate 21 of the basement outer wall on the limiting plate 20, fixing a vertical square wood ridge 22 on the inner surface of the side die plate 21, pressing a double-steel-pipe horizontal ridge 8 on the inner side of the square wood ridge 22, penetrating a mountain-shaped buckle 23 through the counter-pulling reinforcing steel bar 5, buckling the double-steel-pipe horizontal ridge 8, and then screwing a fastening nut 24 at the inner end of the counter-pulling reinforcing steel bar 5, and sequentially compacting the mountain-shaped buckle 23, the double-steel-pipe horizontal ridge 8, the square wood ridge 22, the side die plate 21 and the limiting plate 20 to form the basement outer wall side die assembly.
After the basement outer wall side mold assembly is erected, the vertical rod 1, the transverse horizontal rod 2 and the longitudinal horizontal rod 3 are erected into a floor support by using the fastener 4. And insert a screw rod 6 with adjusting nut 7 and jacking 9 with each inner end of horizontal rod 2 of the same height as the counter-pulling steel bar 5 of the basement outer wall side mould assembly, and press the jacking 9 of the outer end of screw rod 6 to inlay the corresponding double steel pipe horizontal rib 8 of basement outer wall side mould assembly of the same height, then rotate adjusting nut 7 to make this adjusting nut 7 support tightly with the outer end of horizontal rod 2, then use iron wire 10 to tie jacking 9 of the outer end of screw rod 6 with double steel pipe horizontal rib 8 that the clamp was inlayed in order to realize the drawknot fixed.
And then paving a floor bottom template 13 on the floor support, binding floor steel bars 14, and finally integrally casting the basement outer wall and the floor concrete. Of course, in some construction occasions, after the external wall concrete is poured and before the floor concrete is poured, the external wall side templates 21 must be removed firstly, the adjusting screw cap 7 is unscrewed, the iron wires 10 are removed, the screw rod 6 and the jacking 9 are retracted, the external wall side templates 21 can be pulled out, the screw rod 6 is extended again, the jacking 9 clamps the double-steel-pipe horizontal rib 8 again and binds with the iron wires 10 again, the tie fixation is realized again, and then the floor concrete can be poured continuously.
When the vertical distance d of the opposite-pull steel bars 5 of the basement outer wall is inconsistent with the vertical distance h of the transverse horizontal bars 2 of the floor support, and therefore, some opposite-pull steel bars 5 of the basement outer wall lack the opposite transverse horizontal bars 2, if the vertical distance d of the opposite-pull steel bars 5 is 2 meters and the vertical distance h of the transverse horizontal bars 2 is 4 meters, half of the opposite-pull steel bars 5 are redundant. The vertical rod 1 of the floor bracket is connected with a transverse additional horizontal short rod 11 which is the same as the redundant counter-pulling steel bar 5, specifically, a longitudinal additional horizontal rod 12 is connected with the vertical rod 1 by a fastener 4, and then the transverse additional horizontal short rod 11 is placed on the longitudinal additional horizontal rod 12.
And a screw rod 6 with a jacking 9 and an adjusting screw cap 7 is inserted into the inner end of the transverse additional horizontal short rod 11, and then the adjusting screw cap 7 is rotated, so that the jacking 9 clamps and embeds the corresponding double-steel-pipe horizontal rib 8, and the jacking 9 and the corresponding double-steel-pipe horizontal rib 8 are bound by an iron wire 10 to realize tie fixation.
The transverse horizontal bars 2 are fully spanned, extending from the left to the right side of the floor frame, while the transverse additional horizontal stubs 11 do not need to be fully spanned, so the transverse additional horizontal stubs 11 are significantly shorter than the transverse horizontal bars 2.
Claims (2)
1. The utility model provides a basement floor support, it includes pole setting (1), horizontal pole (2), vertical horizontal pole (3) and fastener (4), pole setting (1), horizontal pole (2) and vertical horizontal pole (3) connect into wholly its characterized in that through fastener (4): the outer end of each transverse horizontal rod (2) which is as high as a counter-pulling steel bar (5) of the basement outer wall side mold assembly is sleeved with a screw rod (6), an adjusting nut (7) is screwed on the screw rod (6), the adjusting nut (7) is abutted against the outer end of the transverse horizontal rod (2), the outer end of the screw rod (6) is provided with a jacking (9) for clamping and embedding a double-steel-pipe horizontal rib (8) on the inner side of the counter-pulling steel bar (5), and the jacking (9) is bound and fixed with the clamped and embedded double-steel-pipe horizontal rib (8);
the device also comprises a transverse additional horizontal short rod (11) and a longitudinal additional horizontal rod (12), wherein the transverse additional horizontal short rod (11) and the longitudinal additional horizontal rod (12) are also connected with the vertical rod (1) through the fastener (4); the outer end of each transverse additional horizontal short rod (11) is also sleeved with a screw rod (6) with a jacking (9) and an adjusting nut (7);
when the vertical distance d of the opposite-pull steel bars (5) of the basement outer wall is inconsistent with the vertical distance h of the transverse horizontal bars (2) of the floor support, and the opposite-pull steel bars (5) of the basement outer wall lack the transverse horizontal bars (2), the vertical rods (1) of the floor support are connected with the transverse additional horizontal short bars (11) which are at the same height as the opposite-pull steel bars (5), the screw rods (6) with the jacking brackets (9) and the adjusting nuts (7) are inserted into the inner ends of the transverse additional horizontal short bars (11), and the adjusting nuts (7) are rotated again, so that the jacking brackets (9) clamp and embed the corresponding double-steel-pipe horizontal ribs (8) and bind and fix the corresponding double-steel-pipe horizontal ribs.
2. A method of constructing basement exterior walls and floors using the basement floor support of claim 1, wherein: the method comprises the following steps: after the basement outer wall side mold assembly is erected, erecting the upright rod (1), the transverse horizontal rod (2) and the longitudinal horizontal rod (3) into a floor bracket by using the fastener (4), synchronously inserting the inner end of the screw rod (6) into the corresponding transverse horizontal rod (2), clamping the jacking (9) at the outer end of the screw rod (6) with the corresponding double-steel-pipe horizontal rib (8) of the basement outer wall side mold assembly, rotating the adjusting screw cap (7) to enable the adjusting screw cap to be abutted against the outer end of the transverse horizontal rod (2), and binding and fixing the jacking (9) at the outer end of the screw rod (6) with the clamped double-steel-pipe horizontal rib (8); then paving a floor bottom template (13) on the floor support, binding floor steel bars (14), and finally integrally casting the basement outer wall and the floor concrete;
when the vertical distance d of the opposite-pull steel bars (5) of the basement outer wall is inconsistent with the vertical distance h of the transverse horizontal bars (2) of the floor support, and the opposite-pull steel bars (5) of the basement outer wall lack the transverse horizontal bars (2), the vertical rods (1) of the floor support are connected with the transverse additional horizontal short bars (11) which are at the same height as the opposite-pull steel bars (5), the screw rods (6) with the jacking brackets (9) and the adjusting nuts (7) are inserted into the inner ends of the transverse additional horizontal short bars (11), and the adjusting nuts (7) are rotated again, so that the jacking brackets (9) clamp and embed the corresponding double-steel-pipe horizontal ribs (8) and bind and fix the corresponding double-steel-pipe horizontal ribs.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710906241.6A CN107514140B (en) | 2017-09-29 | 2017-09-29 | Basement floor support and method for constructing outer wall and floor by using same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710906241.6A CN107514140B (en) | 2017-09-29 | 2017-09-29 | Basement floor support and method for constructing outer wall and floor by using same |
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| Publication Number | Publication Date |
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| CN107514140A CN107514140A (en) | 2017-12-26 |
| CN107514140B true CN107514140B (en) | 2023-06-13 |
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| CN113914607A (en) * | 2021-10-21 | 2022-01-11 | 五冶集团上海有限公司 | Method for horizontally supporting shear wall template through disc buckle frame body |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201778338U (en) * | 2010-12-07 | 2011-03-30 | 中国华西企业股份有限公司 | Inner support system for outer wall formwork of basement |
| CN103061505B (en) * | 2013-01-14 | 2015-07-29 | 河北省第四建筑工程有限公司 | A kind of multi-functional split bolt and uses thereof |
| CN103132690B (en) * | 2013-03-13 | 2015-04-01 | 江苏南通三建集团有限公司 | Basement exterior wall unilateral template and method for supporting template thereof |
| CN204983662U (en) * | 2015-09-17 | 2016-01-20 | 浙江中成建工集团有限公司 | To drawing screw rod and steel pipe framed bent combination unilateral formwork device |
| CN207245186U (en) * | 2017-09-29 | 2018-04-17 | 中和华丰建设有限责任公司 | Basement floor stent |
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Effective date of registration: 20180228 Address after: Yinzhou District street and 315040 Zhejiang city in Ningbo Province, the city voted No. 68 building 16 floor Applicant after: ZHONGHE HUAFENG CONSTRUCTION CO.,LTD. Address before: Yinzhou District street and 315040 Zhejiang city in Ningbo Province, the city voted No. 68 building 16 floor Applicant before: HUAFENG CONSTRUCTION Co.,Ltd. |
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