CN212129250U - Construction structure for additionally arranging collecting groove on post-cast strip of high-water-level foundation - Google Patents
Construction structure for additionally arranging collecting groove on post-cast strip of high-water-level foundation Download PDFInfo
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- CN212129250U CN212129250U CN202020680207.9U CN202020680207U CN212129250U CN 212129250 U CN212129250 U CN 212129250U CN 202020680207 U CN202020680207 U CN 202020680207U CN 212129250 U CN212129250 U CN 212129250U
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Abstract
The utility model discloses a high water level foundation post-cast strip adds collecting vat construction structures, lay waterproofing membrane on the base, waterproofing membrane corresponds post-cast strip position and lays the rubber fiber waterstop piece, lays the reinforcing bar net piece on the rubber fiber waterstop piece, adopts concrete placement waterproof layer above the waterproofing membrane, and waterproof layer covers rubber fiber waterstop piece and reinforcing bar net piece, is equipped with reinforced concrete structure's foundation slab above the waterproof layer; be equipped with the steel bar that separates the double-deck wire net of the close mesh that separates soleplate and be used for blockking the double-deck wire net of close mesh and block the net along whole high range in post-cast strip both sides, the top of steel bar net piece is equipped with the collecting vat in post-cast strip position. The utility model discloses effectively stop the post-cast strip and pour the seepage or the spring phenomenon that appears after finishing to strengthen water-proof effects, solved the seepage that post-cast strip quality problems arouses. In addition, the collecting tank is arranged, so that the cleaning can be conveniently carried out even if slurry and accumulated water are accumulated.
Description
Technical Field
The utility model relates to a construction technology, concretely relates to post-cast strip technique.
Background
With the increase of high-rise buildings, large-volume buildings and buildings with complex shapes, in order to solve the problems of poor settlement between a main building and a skirt house, between the main building and an underground garage and the like, shrinkage cracking of concrete, pulling cracking due to temperature change and the like, post-pouring belts with corresponding different functions are required to be arranged. And for the post-cast strip which is settled, pouring the post-cast strip after the settlement of the top of the main building is basically stable. The traditional method of the existing post-cast strip has some construction quality problems, particularly the post-cast strip on a high water level foundation is easy to cause leakage, and the labor cost for cleaning garbage and accumulated water is high.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a collecting vat construction structures is add to high water level basis post-cast strip is provided, avoids the seepage, conveniently clears up rubbish and ponding.
In order to solve the technical problem, the utility model adopts the following technical scheme: the construction method comprises the following steps that a collecting tank construction structure is additionally arranged on a high-water-level foundation post-cast strip, grooves are dug in the ground below the post-cast strip, concrete cushion layers covering the grooves are poured on the concrete cushion layers by adopting concrete, groove bottom concrete is arranged at the bottoms of the grooves above the concrete cushion layers, reinforcing steel bar net sheets are pre-embedded in the groove bottom concrete, the groove bottom concrete and the connected concrete cushion layers form a substrate, waterproof coiled materials are laid on the substrate, rubber fiber water stop sheets are laid on the waterproof coiled materials corresponding to the positions of the post-cast strip, reinforcing steel bar net sheets are laid on the rubber fiber water stop sheets, the two sides of the width of the rubber fiber water stop sheets and the reinforcing steel bar net sheets extend to the outer sides of the two sides of the post-cast strip, a waterproof protective layer is poured on the waterproof coiled; be equipped with the steel bar that separates the double-deck wire net of the close mesh of soleplate and be used for blockking the double-deck wire net of close mesh and block the net along whole high range in back casting area both sides, the soleplate middle part is connected with the steel sheet waterstop that extends and get into the back casting area within range, the top of steel bar net piece is equipped with the collecting vat in back casting area position.
Preferably, the longitudinal and transverse dimensions of the reinforcing steel bar protection layer are @200mm multiplied by 150 mm.
Preferably, the thickness of the rubber fiber water stop sheet is 10 mm.
Preferably, the overall laying width of the rubber fiber water stop sheet is more than or equal to 200mm when the rear pouring belt is placed outside two sides.
Preferably, the splicing length of the plurality of rubber fiber water stop sheets and the splicing length of the two adjacent rubber fiber water stop sheets is not less than 200 mm.
Preferably, the parameters of the reinforcing mesh are phi 6.5@150mm multiplied by 150mm, and the transverse length is 250mm of the size of the post-cast strip.
Preferably, the reinforcing bar blocks the net and includes vertical fixed reinforcing bar and vertical fixed reinforcing bar, and vertical fixed reinforcing bar height within range is every 100mm one, and vertical fixed reinforcing bar is vertical every 500mm one.
Preferably, a water retaining dam is arranged at a position 100mm away from each side of the post-cast strip above the foundation slab.
Preferably, a cover plate for covering the post-pouring belt is placed above the water retaining dam.
The utility model discloses a technical scheme, following beneficial effect has:
when laying waterproofing membrane, be provided with rubber fiber waterstop piece and reinforcing bar net piece reinforcing mesh to block water pressure, effectively the seepage or the spring phenomenon that appear after finishing is pour to the dead zone, thereby strengthened water-proof effects, the seepage that the solution dead zone quality problems arouses.
In addition, the collecting tank is arranged, so that the cleaning can be conveniently carried out even if slurry and accumulated water are accumulated.
The specific technical solution and the advantages of the present invention will be described in detail in the following detailed description with reference to the accompanying drawings.
Drawings
The invention will be further described with reference to the accompanying drawings and specific embodiments:
FIG. 1 is a schematic structural view of a construction structure for adding a collecting tank to a post-cast strip of a high water level foundation of the present invention;
in the figure: 1. a concrete cushion layer; 2. concrete at the bottom of the trench; 3. a steel bar protective layer; 4. waterproof coiled materials; 5. a rubber fiber water stop sheet; 6. reinforcing mesh sheets; 7. a waterproof protective layer; 8. a foundation slab; 9. dense-mesh double-layer steel wire mesh sheets; 10. A reinforcing bar blocking net; 11. a steel plate waterstop; 12. a water retaining dam 13, a cover plate 14 and a post-cast strip; 15. And (4) collecting the tank.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It will be appreciated by those skilled in the art that features from the examples and embodiments described below may be combined with each other without conflict.
Referring to fig. 1, a collecting tank construction structure is additionally arranged on a post-cast strip of a high water level foundation, grooves are dug in the ground below a post-cast strip 14, concrete cushion layers 1 covering the grooves are poured above the ground by adopting concrete, groove bottom concrete 2 is arranged at the bottom of the grooves above the concrete cushion layers, the groove bottom concrete is embedded with a reinforcing steel bar protection layer 3, the groove bottom concrete and the connected concrete cushion layer form a substrate, a waterproof coiled material 4 is laid on the substrate, a rubber fiber water stop sheet 5 is laid on the waterproof coiled material corresponding to the position of the post-cast strip, the rubber fiber water stop sheet is paved with a reinforcing steel bar net sheet 6, the two sides of the width of the rubber fiber water stop sheet and the reinforcing steel bar net sheet extend to the outer sides of the two sides of the post-pouring belt, a concrete pouring waterproof protective layer 7 is arranged above the waterproof coiled material, the waterproof protective layer covers the rubber fiber water stop sheet and the reinforcing mesh sheet, and a foundation slab 8 of a reinforced concrete structure is arranged above the waterproof protective layer; be equipped with the steel bar that separates the double-deck wire net of the close mesh 9 of soleplate and be used for blockking the double-deck wire net of close mesh 10 of keeping off along whole high range in back casting area both sides, the soleplate middle part is connected with and extends the steel sheet waterstop 11 that gets into the back casting area within range, the top of steel bar net piece is equipped with collecting vat 15 in back casting area position. Through setting up rubber fiber waterstop piece and reinforcing bar net piece reinforcing mesh to block water pressure, effectively the seepage or the spring phenomenon that appears after the post-cast strip is pour and is accomplished, thereby strengthened water-proof effects, the seepage that the solution post-cast strip quality problems arouses. In addition, even if slurry accumulation and water accumulation occur, the slurry can be accumulated in the collecting tank, and cleaning is convenient.
The longitudinal and transverse dimensions of the reinforcing steel bar protection layer 3 are @200mm multiplied by 150 mm. The thickness of the rubber fiber water stop sheet 5 is 10 mm. The overall laying width of the rubber fiber water stop sheet is more than or equal to 200mm when the two sides of the post-cast strip are externally placed. The multiple rubber fiber water stop sheets are spliced, the lap joint length of the two adjacent rubber fiber water stop sheets is not less than 200mm, and the two adjacent rubber fiber water stop sheets are connected in a glue filling mode through glue. The parameters of the reinforcing mesh 6 are phi 6.5@150mm multiplied by 150mm, and the transverse length is 250mm of the size of the post-cast strip. The reinforcing steel bar blocking net 10 comprises longitudinal fixed reinforcing steel bars and vertical fixed reinforcing steel bars, wherein the height of each longitudinal fixed reinforcing steel bar is within the range of 100mm, and the height of each vertical fixed reinforcing steel bar is 500 mm.
When the foundation slab 8 is poured, the concrete pressure at the bottom is large. Therefore, the bottom side of the dense-mesh double-layer steel wire mesh sheet 9 is also provided with a reinforcing steel wire mesh to plug side concrete.
In addition, a water retaining dam 12 is arranged at a position 100mm away from each side of the post-cast strip 14 above the foundation slab 8. The retaining dam is made of cement mortar and has the size of 50mm multiplied by 50 mm. Or adopting a brick structure and adopting cement mortar to paint the surface. And a cover plate 13 for covering the post-pouring belt is arranged above the retaining dam.
The construction process flow of the construction structure for additionally arranging the collecting groove on the post-cast strip of the high-water-level foundation is as follows:
preparation before construction → positioning and paying-off → soil excavation and trimming → cushion layer pouring → steel bar binding → pouring reinforcing layer → waterproof construction → waterproof protective layer pouring → concrete pouring ridge → steel bar binding → water-stop steel plate welding → steel wire mesh support → acceptance inspection → foundation slab pouring → post-pouring belt protection.
The construction operation key points are as follows:
1. positioning and paying off are carried out according to a drawing, earth excavation is carried out, the groove is manually repaired to a certain degree, and backfill is carried out on a local over-excavation position. Tamping the substrate back and forth for more than three times by adopting a frog tamper, manually tamping the inclined plane, using mortar as a base layer, and pouring a substrate cushion layer together with the bottom plate.
2. The protective layer of the reinforcing steel bar is controlled to be 50mm, the transverse reinforcing steel bar is placed firstly, the longitudinal and transverse sizes are generally easy to be @200mm multiplied by 150mm, the reinforcing steel bar is uniformly bound, then the longitudinal reinforcing steel bar is placed, and the lap joint binding can be carried out according to 30 d.
3. And after the binding of the reinforcing steel bars is finished, the concrete is accepted, C35 concrete is poured, and the concrete is leveled and calendered along with the pouring. And after pouring, covering a plastic film and the blanket for maintenance.
4. And constructing the waterproof coiled material together with the foundation slab, and then paving a rubber fiber water stop sheet with the thickness of 10mm, wherein the width of the water stop sheet is more than or equal to 200mm when the two sides of the post-cast strip are outwards placed. The lapping length of the rubber water stop sheets is not less than 200mm, and the special glue is fully glued and connected. After the rubber water stop sheets are laid, reinforcing steel bar net sheets with the diameter of 6.5@150mm multiplied by 150mm are laid on the upper portions, and the transverse length of the reinforcing steel bar net sheets is 250mm which is placed outside the size of the post-pouring belt.
5. And pouring concrete of the waterproof protective layer, and leveling and press polishing along with pouring and vibrating. And after pouring, covering a plastic film and the blanket for maintenance.
6. And pouring a concrete ridge with the width of 50mm and the same thickness as the bottom plate protective layer by using concrete with the same mark as the foundation, and controlling the thickness of the reinforcing steel bar protective layer.
7. And before the bottom plate reinforcing mesh is bound, phi 12 longitudinal fixed reinforcing steel bars are longitudinally arranged at the position of the post-cast strip, and the height range is one line at intervals of 100mm, so that the steel mesh sheets in the height range of the post-cast strip are blocked, after the bottom layer reinforcing steel bars are bound, the bottom layer reinforcing steel bars are fixed by spot welding the vertical reinforcing steel bars onto the bottom layer reinforcing steel bars, and the vertical reinforcing steel bars are longitudinally fixed at intervals of 500mm one line. In the height range of the post-cast strip, an upper dense-mesh double-layer steel wire mesh and a lower dense-mesh double-layer steel wire mesh are used for racking, and a reinforcing steel wire mesh is added in the range of the bottom of the reinforcing steel bar of the foundation slab to plug the side bottom slab concrete.
8. The middle part of the foundation slab is additionally provided with a steel plate water stop, and the steel plate water stop connecting joint adopts full welding. And after the bottom steel bar is constructed, measuring the horizontal elevation of the water stop, and fixing by welding phi 6.5 steel bars at a distance of @400 mm.
9. And the construction scheme and the construction process requirements are met through inspection and acceptance of supervision units. And pouring the concrete of the foundation bottom plate, and removing the cement paste flowing into the post-pouring belt before the concrete is finally set. And (3) plastering a 50mm multiplied by 50mm water retaining dam or building 2-skin cement brick cement mortar painting at a position 100mm away from each side of the foundation post-cast strip by using cement mortar, and sealing the upper part by using a wood plate. So as to prevent water for construction and sundries from entering the post-cast strip.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and those skilled in the art should understand that the present invention includes but is not limited to the contents described in the above specific embodiments. Any modification which does not depart from the functional and structural principles of the present invention is intended to be included within the scope of the claims.
Claims (9)
1. Collecting vat construction structures are add to high water level basis post-cast strip, and post-cast strip below ground excavation is fluted, its characterized in that: concrete is poured above the ground to form a concrete cushion layer covering the groove, groove bottom concrete is arranged at the bottom of the groove above the concrete cushion layer, a reinforcing steel bar protection layer is pre-buried in the groove bottom concrete, the groove bottom concrete and the connected concrete cushion layer form a substrate, a waterproof coiled material is laid on the substrate, a rubber fiber water stop sheet is laid on the waterproof coiled material corresponding to the position of the post-cast strip, a reinforcing steel bar mesh sheet is laid on the rubber fiber water stop sheet, the two sides of the width of the rubber fiber water stop sheet and the width of the reinforcing steel bar mesh sheet extend to the outer sides of the two sides of the post-cast strip, a concrete pouring waterproof protection layer is adopted above the waterproof coiled material, the waterproof protection layer covers the rubber fiber water stop sheet and the reinforcing; be equipped with the steel bar that separates the double-deck wire net of the close mesh of soleplate and be used for blockking the double-deck wire net of close mesh and block the net along whole high range in back casting area both sides, the soleplate middle part is connected with the steel sheet waterstop that extends and get into the back casting area within range, the top of steel bar net piece is equipped with the collecting vat in back casting area position.
2. The construction structure for additionally arranging the collecting groove on the post-cast strip of the high water level foundation according to claim 1, is characterized in that: the longitudinal and transverse dimensions of the reinforcing steel bar protection layer are @200mm multiplied by 150 mm.
3. The construction structure for additionally arranging the collecting groove on the post-cast strip of the high water level foundation according to claim 1, is characterized in that: the thickness of the rubber fiber water stop sheet is 10 mm.
4. The construction structure for additionally arranging the collecting groove on the post-cast strip of the high water level foundation according to claim 3, characterized in that: the overall laying width of the rubber fiber water stop sheet is more than or equal to 200mm when the two sides of the post-cast strip are externally placed.
5. The construction structure for additionally arranging the collecting groove on the post-cast strip of the high water level foundation according to claim 4, is characterized in that: a plurality of rubber fiber water stop sheets are spliced, and the lap joint length of two adjacent rubber fiber water stop sheets is not less than 200 mm.
6. The construction structure for additionally arranging the collecting groove on the post-cast strip of the high water level foundation according to claim 5, is characterized in that: the parameters of the reinforcing mesh are phi 6.5@150mm multiplied by 150mm, and the transverse length is 250mm of the size of the post-cast strip.
7. The construction structure for additionally arranging the collecting groove on the post-cast strip of the high water level foundation according to claim 5, is characterized in that: the reinforcing steel bar blocking net comprises longitudinal fixed reinforcing steel bars and vertical fixed reinforcing steel bars, wherein the height range of the longitudinal fixed reinforcing steel bars is one line at intervals of 100mm, and the height range of the vertical fixed reinforcing steel bars is one line at intervals of 500 mm.
8. The construction structure for additionally arranging the collecting groove on the post-cast strip of the high water level foundation according to claim 1, is characterized in that: and a water retaining dam is arranged at the position above the foundation slab and 100mm away from each edge of the post-cast strip.
9. The construction structure for additionally arranging the collecting groove on the post-cast strip of the high water level foundation according to claim 8, is characterized in that: and a cover plate for covering the post-pouring belt is arranged above the water retaining dam.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020680207.9U CN212129250U (en) | 2020-04-28 | 2020-04-28 | Construction structure for additionally arranging collecting groove on post-cast strip of high-water-level foundation |
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| CN202020680207.9U CN212129250U (en) | 2020-04-28 | 2020-04-28 | Construction structure for additionally arranging collecting groove on post-cast strip of high-water-level foundation |
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| CN212129250U true CN212129250U (en) | 2020-12-11 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114232694A (en) * | 2021-12-22 | 2022-03-25 | 民航机场建设工程有限公司 | Disassembly-free plate-net structure for construction joints of building bottom plate and construction method |
| CN115110583A (en) * | 2022-06-23 | 2022-09-27 | 南京坤佳防水防腐保温工程有限公司 | Basement bottom plate post-cast strip waterproof seepage structure |
-
2020
- 2020-04-28 CN CN202020680207.9U patent/CN212129250U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114232694A (en) * | 2021-12-22 | 2022-03-25 | 民航机场建设工程有限公司 | Disassembly-free plate-net structure for construction joints of building bottom plate and construction method |
| CN115110583A (en) * | 2022-06-23 | 2022-09-27 | 南京坤佳防水防腐保温工程有限公司 | Basement bottom plate post-cast strip waterproof seepage structure |
| CN115110583B (en) * | 2022-06-23 | 2024-03-26 | 南京坤佳防水防腐保温工程有限公司 | Basement bottom plate post-pouring belt waterproof leakage structure |
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