CN114277850A - Basement roof settlement post-cast strip construction method - Google Patents
Basement roof settlement post-cast strip construction method Download PDFInfo
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- CN114277850A CN114277850A CN202111624478.8A CN202111624478A CN114277850A CN 114277850 A CN114277850 A CN 114277850A CN 202111624478 A CN202111624478 A CN 202111624478A CN 114277850 A CN114277850 A CN 114277850A
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Abstract
The invention relates to the technical field of building construction, and discloses a construction method of a basement roof settlement post-cast strip, which comprises a post-cast strip body, wherein roof plate bodies are arranged on two sides of the post-cast strip body, a roof reinforcement body is integrally cast between the interiors of the two roof plate bodies, the roof reinforcement body penetrates through the post-cast strip body, a lower casting plate is arranged at the bottom of the post-cast strip body, a lower reinforcement body is integrally cast inside the lower casting plate, an upper casting plate is arranged at the top of the post-cast strip body, an upper reinforcement body is integrally cast inside the upper casting plate, interlocking reinforcements are bound and connected between the lower reinforcement body and the upper reinforcement body, and water stop strips are laid between the upper casting plate and two sides of the top of the post-cast strip body. According to the invention, the lower steel bar body, the upper steel bar body, the interlocking steel bars and the top plate steel bar body are combined into a whole by connecting and ligating the interlocking steel bars between the lower steel bar body and the upper steel bar body, so that the pouring structure of the post-cast strip body is improved, and the load bearing capacity of the top plate of the basement is improved.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a construction method of a basement roof settlement post-cast strip.
Background
A basement is a room whose floor is more than one-half of the net height of the room below the outdoor ground level. The multi-storey and high-rise buildings need deeper foundations, and in order to utilize the height, a basement is built under the bottom floor of the building, so that the use area is increased, soil backfilling of the center of the building is omitted, and the building is economical. The basement is built below the bottom layer of the house, so that the land efficiency of the building can be improved. Some high-rise building bases are buried deeply, basements are built by fully utilizing the depth, and the economic effect and the using effect are good.
The bearing capacity of the structures on two sides of the post-cast strip in the prior art completely depends on the reinforcing steel bars of a floor slab, the earth covering pressure of a top plate of a basement is borne, the construction load capacity of the upper part of the basement is poor, and in order to ensure the stability and effectiveness of a supporting system, a frame body design needs to be made, and the bearing safety performance needs to be improved.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a construction method of a basement roof settlement post-cast strip, which solves the problems that the post-cast strip bears the earth covering pressure of the basement roof, the upper construction load capacity is poor, and in order to ensure the stability and effectiveness of a support system, a frame body design is required, and the stress safety performance of the support system needs to be improved.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: the basement roof settlement post-cast strip construction method comprises a post-cast strip body, wherein two sides of the post-cast strip body are respectively provided with a roof plate body, a roof plate steel bar body is integrally cast between the interiors of the two roof plate bodies, the roof plate steel bar body penetrates through the post-cast strip body, the bottom of the post-cast strip body is provided with a lower cast plate, a lower steel bar body is integrally cast inside the lower cast plate, an upper cast plate is arranged at the top of the post-cast strip body, an upper steel bar body is integrally cast inside the upper cast plate, interlocking steel bars are bound and connected between the lower steel bar body and the upper steel bar body, a water stop strip is laid between the upper cast plate and two sides of the top of the post-cast strip body, supporting strips are laid on two sides of the top of the roof plate steel bar body and vertically correspond to the water stop strips, the supporting strips are horizontally arranged corresponding to the roof plate body, and small support pieces are fixedly arranged at the bottom of the supporting strips, the small support piece is tied with the top plate steel bar body;
a lower template is laid at the bottom of the lower pouring plate, a construction supporting beam is detachably arranged at the bottom of the lower template, upper templates are arranged on two outer sides of the upper pouring plate, and mounting nails are detachably arranged between the upper templates and the top plate body;
the method comprises the following specific operation steps:
the method comprises the following steps: scraping and cleaning two sides of a top plate body of a post-cast strip application station, and carrying out rust removal and cleaning operation on an exposed top plate steel bar body;
step two: erecting a construction supporting beam at the bottom of the post-cast strip construction position, and installing a lower template to seal the bottom of the post-cast strip construction position;
step three: cleaning the top plate bodies on two sides of the top of the post-cast strip construction position, installing and laying an upper template, and inserting an installation nail into the top plate bodies to fix the upper template;
step four: a lower steel bar body is laid inside the lower template, an upper steel bar body is laid between the two upper templates, and a linkage steel bar is connected and tied between the lower steel bar body and the upper steel bar body, so that the lower steel bar body, the upper steel bar body, the linkage steel bar and the top plate steel bar body are combined into a whole;
step five: laying support bands on two sides of the top plate steel bar body, and tying the support small pieces at the bottoms of the support bands with the top plate steel bar body to enable the support bands to horizontally correspond to the top plate body;
step six: and (3) preparing concrete, backfilling and pouring the post-pouring belt body, coating the lower reinforcement body and the upper reinforcement body with the concrete to form a lower pouring plate and an upper pouring plate, removing the lower template and the upper template after the belt concrete is completely solidified, and finishing the construction operation.
Preferably, the interlocking steel bars are arranged in a vertical state, and the top ends and the bottom ends of the interlocking steel bars are both arranged in a U-shaped bending mode and are respectively hooked with the lower steel bar body and the transverse steel bars of the upper steel bar body.
Preferably, the supporting band is made of rubber material, and a locking nail is fixedly arranged between the supporting band and the water stop band.
Preferably, the support small part is made by the steel wire, all buckle at support small part bottom both ends and be provided with the U-shaped draw-in groove, the U-shaped draw-in groove corresponds the setting with the roof reinforcing bar body.
Preferably, a construction support is erected at the bottom of the construction support beam, and a protective cover plate is placed between the tops of the upper templates.
Preferably, the outer parts of the two ends of the lower template are fixedly provided with closed beams, the tops of the closed beams are fixedly provided with closed cushion strips, and the closed cushion strips are matched with the bottom end face of the top plate body and are arranged in a pressing mode.
(III) advantageous effects
The invention provides a construction method of a basement roof settlement post-cast strip, which has the following beneficial effects:
(1) according to the invention, the lower template is arranged to seal the bottom of the post-cast strip construction position, the upper templates are arranged and laid, the lower reinforcement body is laid inside the lower template, the upper reinforcement body is laid between the two upper templates, and the lower reinforcement body and the upper reinforcement body are connected and tied with the interlocking reinforcement, so that the lower reinforcement body, the upper reinforcement body, the interlocking reinforcement and the top plate reinforcement body are combined into a whole, the pouring structure of the post-cast strip body is improved, and the load bearing capacity of the top plate of the basement is improved.
(2) According to the invention, the support belt is supported by the support small piece, and the two ends of the bottom of the support small piece are respectively bent and provided with the U-shaped clamping groove top plate steel bar bodies for corresponding ligation, so that the water stop belt is flatly laid between the support belt and the top of the top plate body, and the laid water stop belt improves the water seepage prevention effect.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure of part A of FIG. 1 according to the present invention;
FIG. 3 is a schematic view of the overall structure of the interlocking reinforcement bar of the present invention;
FIG. 4 is a schematic view of the overall construction of the stent compact of the present invention;
FIG. 5 is a schematic view of the overall structure of the upper plate according to the present invention;
fig. 6 is a schematic view of the overall structure of the lower template of the present invention.
In the figure: 1. a post-cast strip body; 2. a top plate body; 3. a top plate reinforcement body; 4. pouring a plate; 5. a lower reinforcement body; 6. pouring a plate; 7. a steel bar body is arranged; 8. interlocking the reinforcing steel bars; 9. a water stop; 10. a support band; 11. a bracket small piece; 12. a lower template; 13. constructing a support beam; 14. mounting a template; 15. installing a nail; 16. locking the nail; 17. a U-shaped clamping groove; 18. constructing a support; 19. a protective cover plate; 20. closing the beam; 21. and closing the cushion strip.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 6, the present invention provides a technical solution: the basement roof settlement post-cast strip construction method comprises a post-cast strip body 1, wherein two sides of the post-cast strip body are respectively provided with a roof plate body 2, a roof reinforcement body 3 is integrally cast between the two roof plate bodies 2, the roof reinforcement body 3 penetrates through the post-cast strip body 1, the bottom of the post-cast strip body 1 is provided with a lower casting plate 4, a lower reinforcement body 5 is integrally cast inside the lower casting plate 4, the top of the post-cast strip body 1 is provided with an upper casting plate 6, an upper reinforcement body 7 is integrally cast inside the upper casting plate 6, interlocking reinforcements 8 are bound and connected between the lower reinforcement body 5 and the upper reinforcement body 7, water stop belts 9 are laid between the upper casting plate 6 and two sides of the top of the post-cast strip body 1, two sides of the top of the roof reinforcement body 3 are respectively provided with supporting belts 10, the supporting belts 10 are vertically arranged corresponding to the water stop belts 9, and the supporting belts 10 are horizontally arranged corresponding to the roof plate bodies 2, the bottom of the support belt 10 is fixedly provided with a small support piece 11, the small support piece 11 is tied with the top plate steel bar body 3, and a tie interlocking steel bar 8 is connected between the lower steel bar body 5 and the upper steel bar body 7, so that the lower steel bar body 5, the upper steel bar body 7, the interlocking steel bar 8 and the top plate steel bar body 3 are combined into a whole, the pouring structure of the post-pouring belt body 1 is improved, the load bearing capacity of a basement top plate is improved, and the water stop belt 9 is laid to improve the water seepage prevention effect;
a lower template 12 is laid at the bottom of the lower pouring plate 4, a construction supporting beam 13 is detachably arranged at the bottom of the lower template 12, upper templates 14 are arranged on two outer sides of the upper pouring plate 6, mounting nails 15 are detachably arranged between the upper templates 14 and the top plate body 2, a small support piece 11 at the bottom of a supporting belt 10 is arranged in a tying mode with the top plate steel bar body 3, the supporting belt 10 horizontally corresponds to the top plate body 2, and a water stop belt 9 is laid between the supporting belt 10 and the top of the top plate body 2;
the method comprises the following specific operation steps:
the method comprises the following steps: scraping and cleaning two sides of the post-cast strip application station top plate body 2, and carrying out rust removal and cleaning operation on the exposed top plate steel bar body 3;
step two: a construction supporting beam 13 is erected at the bottom of the post-cast strip construction position, and a lower template 12 is installed to seal the bottom of the post-cast strip construction position;
step three: cleaning the top plate bodies 2 on two sides of the top of the post-cast strip construction position, installing and laying an upper template 14, and inserting an installation nail 15 into the top plate bodies 2 to fix the upper template 14;
step four: a lower steel bar body 5 is laid inside the lower template 12, an upper steel bar body 7 is laid between the two upper templates 14, and ligation interlocking steel bars 8 are connected between the lower steel bar body 5 and the upper steel bar body 7, so that the lower steel bar body 5, the upper steel bar body 7, the interlocking steel bars 8 and the top plate steel bar body 3 are combined into a whole;
step five: laying support bands 10 on two sides of the top plate steel bar body 3, and tying a support small piece 11 at the bottom of each support band 10 with the top plate steel bar body 3 to enable the support bands 10 to horizontally correspond to the top plate body 2, and laying a water stop band 9 between each support band 10 and the top of the top plate body 2;
step six: and (3) preparing concrete, backfilling and pouring the post-pouring belt body 1, coating the lower reinforcement body 5 and the upper reinforcement body 7 with the concrete to form a lower pouring plate 4 and an upper pouring plate 6, removing the lower template 12 and the upper template 14 after the belt concrete is completely solidified, and finishing the construction operation.
Further, interlocking reinforcement 8 is vertical state setting, 8 tops of interlocking reinforcement and bottom all are the crooked setting of U type and respectively with the horizontal reinforcing bar hookup of lower reinforcing bar body 5 and last reinforcing bar body 7, are connected ligature interlocking reinforcement 8 between lower reinforcing bar body 5 and the last reinforcing bar body 7 for lower reinforcing bar body 5, last reinforcing bar body 7, interlocking reinforcement 8 and roof reinforcing bar body 3 combine as an organic wholely, improve the pouring structure of the post-cast strip body 1.
Further, the supporting belt 10 is made of rubber materials, locking nails 16 are fixedly arranged between the supporting belt 10 and the water stop belt 9, the locking nails 16 fixedly connect the supporting belt 10 and the water stop belt 9, the water stop belt 9 is laid in a flat state when concrete is poured conveniently, and the water stop belt 9 is guaranteed in a water seepage prevention effect.
Further, the support smallclothes 11 are made by the steel wire, 11 bottom both ends of support smallclothes are all buckled and are provided with U-shaped draw-in groove 17, U-shaped draw-in groove 17 corresponds the setting with roof reinforcing bar body 3, supports the support smallclothes 11 and the 3 ligature settings of roof reinforcing bar body of belt 10 bottom for support belt 10 and roof body 2 levels correspond, improve the stable effect of support smallclothes 11.
Further, a construction support 18 is erected at the bottom of the construction support beam 13, a protective cover plate 19 is placed between the tops of the upper die plates 14, the construction support 18 supports the construction support beam 13, erection of the lower die plates 12 is achieved, the protective cover plate 19 covers after concrete pouring, and the concrete is prevented from being solidified due to the influence of external factors.
Further, the outer portions of the two ends of the lower template 12 are fixedly provided with closed beams 20, the tops of the closed beams 20 are fixedly provided with closed cushion strips 21, the closed cushion strips 21 are matched with the bottom end face of the top plate body 2 and are arranged in a pressing mode, the closed cushion strips 21 on the closed beams 20 are in close contact with the top plate body 2, and leakage of concrete during pouring is avoided.
In conclusion, the working process of the invention is as follows: when post-cast strip construction is carried out, two sides of a post-cast strip construction station top plate body 2 are picked and cleaned, exposed top plate steel bar bodies 3 are subjected to rust removal cleaning operation, a construction supporting beam 13 is erected at the bottom of a post-cast strip construction position, a lower mounting plate 12 is mounted to seal the bottom of the post-cast strip construction position, the top plate bodies 2 at two sides of the top of the post-cast strip construction position are cleaned, upper templates 14 are mounted and laid, mounting nails 15 are inserted into the top plate bodies 2 to fix the upper templates 14, lower steel bar bodies 5 are laid inside the lower template 12, upper steel bar bodies 7 are laid between the two upper templates 14, linked steel bars 8 are connected and tied between the lower steel bar bodies 5 and the upper steel bar bodies 7, so that the lower steel bar bodies 5, the upper steel bar bodies 7, the steel bar linked steel bar bodies 8 and the top plate steel bar bodies 3 are combined into a whole, the pouring structure of the post-cast strip body 1 is improved, the bearing capacity of a basement top plate is improved, supporting bands 10 are laid at two sides of the top of the steel bar top of the top plate bodies 3, support the support smallclothes 11 of 10 bottoms and the 3 ligature settings of roof reinforcing bar bodies for support area 10 and roof body 2 level correspond, lay waterstop 9 between support area 10 and the 2 tops of roof body, the waterstop 9 of laying improves prevention of seepage water effect, the allotment concrete is backfilled and is pour the back casting area body 1, concrete cladding lower reinforcing bar body 5 and last reinforcing bar body 7 form down pour board 4 and go up pour board 6, take concrete to demolish lower bolster 12 and upper die plate 14 after solidifying completely, the end construction operation.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. Basement roof subsides post-cast strip construction method, including the post-cast strip body (1), its characterized in that: the post-cast strip is characterized in that top plate bodies (2) are arranged on two sides of the post-cast strip body, a top plate steel body (3) is integrally poured between the two top plate bodies (2), the top plate steel body (3) penetrates through the post-cast strip body (1), a lower casting plate (4) is arranged at the bottom of the post-cast strip body (1), a lower steel body (5) is integrally poured inside the lower casting plate (4), an upper casting plate (6) is arranged at the top of the post-cast strip body (1), an upper steel body (7) is integrally poured inside the upper casting plate (6), interlocking steel bars (8) are bound and connected between the lower steel body (5) and the upper steel body (7), water stop belts (9) are laid between the upper casting plate (6) and two sides of the top of the post-cast strip body (1), supporting belts (10) are laid on two sides of the top plate steel body (3), and the supporting belts (10) are vertically arranged in a corresponding mode, the supporting bands (10) are horizontally arranged corresponding to the top plate body (2), small support pieces (11) are fixedly arranged at the bottoms of the supporting bands (10), and the small support pieces (11) are tied with the top plate steel bar body (3);
a lower template (12) is laid at the bottom of the lower pouring plate (4), a construction supporting beam (13) is detachably arranged at the bottom of the lower template (12), upper templates (14) are respectively arranged at two outer sides of the upper pouring plate (6), and mounting nails (15) are detachably arranged between the upper templates (14) and the top plate body (2);
the method comprises the following specific operation steps:
the method comprises the following steps: scraping and cleaning two sides of a post-cast strip application station top plate body (2), and carrying out rust removal and cleaning operation on an exposed top plate reinforcement body (3);
step two: a construction supporting beam (13) is erected at the bottom of the post-cast strip construction position, and a lower template (12) is installed to seal the bottom of the post-cast strip construction position;
step three: cleaning the top plate bodies (2) on two sides of the top of the post-cast strip construction position, installing and laying an upper template (14), and fixing the upper template (14) by inserting installation nails (15) into the top plate bodies (2);
step four: a lower steel bar body (5) is laid inside the lower template (12), an upper steel bar body (7) is laid between the two upper templates (14), and a ligation interlocking steel bar (8) is connected between the lower steel bar body (5) and the upper steel bar body (7), so that the lower steel bar body (5), the upper steel bar body (7), the interlocking steel bar (8) and the top plate steel bar body (3) are combined into a whole;
step five: laying support bands (10) on two sides of the top plate steel bar body (3), and tying a support small piece (11) at the bottom of each support band (10) with the top plate steel bar body (3) so that the support bands (10) horizontally correspond to the top plate body (2), and laying a water stop band (9) between each support band (10) and the top of the top plate body (2);
step six: and (3) preparing concrete, backfilling and pouring the post-pouring belt body (1), coating the lower reinforcement body (5) and the upper reinforcement body (7) with the concrete to form a lower pouring plate (4) and an upper pouring plate (6), removing the lower template (12) and the upper template (14) after the belt concrete is completely solidified, and finishing the construction operation.
2. The basement roof settlement post-cast strip construction method of claim 1, wherein: chain reinforcing bar (8) are vertical state setting, chain reinforcing bar (8) top and bottom all are the crooked setting of U type and respectively with the horizontal reinforcing bar hookup of lower reinforcing bar body (5) and last reinforcing bar body (7).
3. The basement roof settlement post-cast strip construction method of claim 1, wherein: the supporting belt (10) is made of rubber materials, and locking nails (16) are fixedly arranged between the supporting belt (10) and the water stop belt (9).
4. The basement roof settlement post-cast strip construction method of claim 1, wherein: the support small part (11) is made of steel wires, U-shaped clamping grooves (17) are formed in the two ends of the bottom of the support small part (11) in a bent mode, and the U-shaped clamping grooves (17) are arranged corresponding to the top plate steel bar body (3).
5. The basement roof settlement post-cast strip construction method of claim 1, wherein: a construction support (18) is erected at the bottom of the construction support beam (13), and a protective cover plate (19) is placed between the tops of the two upper templates (14).
6. The basement roof settlement post-cast strip construction method of claim 1, wherein: the lower template (12) both ends outside all is fixed and is provided with closed roof beam (20), closed roof beam (20) top is fixed and is provided with sealed cushion strip (21), sealed cushion strip (21) and roof body (2) bottom face match compresses tightly the setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111624478.8A CN114277850B (en) | 2021-12-28 | 2021-12-28 | Construction method of basement roof settlement post-pouring zone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111624478.8A CN114277850B (en) | 2021-12-28 | 2021-12-28 | Construction method of basement roof settlement post-pouring zone |
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| CN114277850A true CN114277850A (en) | 2022-04-05 |
| CN114277850B CN114277850B (en) | 2023-07-28 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR20080100740A (en) * | 2007-05-14 | 2008-11-19 | (주) 씨엠파트너스 건축사사무소 | Strut system of temporary plate with opening supporting temporary retaining wall and subgrade external wall construction method utilizing the same |
| US20120167502A1 (en) * | 2010-12-30 | 2012-07-05 | Tikhovskiy Nikolay P | Modular construction system and components and method |
| CN104790436A (en) * | 2015-04-16 | 2015-07-22 | 中国二十二冶集团有限公司 | High-rise building basement roof settlement post-pouring joint advanced water stop construction method |
| CN110258651A (en) * | 2019-07-16 | 2019-09-20 | 中城投集团第六工程局有限公司 | Basement roof post-cast strip shifts to an earlier date enclosed construction and construction method |
| CN113006152A (en) * | 2021-02-25 | 2021-06-22 | 陕西建工第十一建设集团有限公司 | Basement construction method based on socket type steel plate water stop |
| WO2021228189A1 (en) * | 2020-05-15 | 2021-11-18 | 中建三局第三建设工程有限责任公司 | Reusable post-cast strip support replacement force transfer device and construction method therefor |
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2021
- 2021-12-28 CN CN202111624478.8A patent/CN114277850B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20080100740A (en) * | 2007-05-14 | 2008-11-19 | (주) 씨엠파트너스 건축사사무소 | Strut system of temporary plate with opening supporting temporary retaining wall and subgrade external wall construction method utilizing the same |
| US20120167502A1 (en) * | 2010-12-30 | 2012-07-05 | Tikhovskiy Nikolay P | Modular construction system and components and method |
| CN104790436A (en) * | 2015-04-16 | 2015-07-22 | 中国二十二冶集团有限公司 | High-rise building basement roof settlement post-pouring joint advanced water stop construction method |
| CN110258651A (en) * | 2019-07-16 | 2019-09-20 | 中城投集团第六工程局有限公司 | Basement roof post-cast strip shifts to an earlier date enclosed construction and construction method |
| WO2021228189A1 (en) * | 2020-05-15 | 2021-11-18 | 中建三局第三建设工程有限责任公司 | Reusable post-cast strip support replacement force transfer device and construction method therefor |
| CN113006152A (en) * | 2021-02-25 | 2021-06-22 | 陕西建工第十一建设集团有限公司 | Basement construction method based on socket type steel plate water stop |
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| CN114277850B (en) | 2023-07-28 |
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