CN219240642U - Structure for reinforcing seepage prevention of geomembrane near building in warehouse - Google Patents
Structure for reinforcing seepage prevention of geomembrane near building in warehouse Download PDFInfo
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- CN219240642U CN219240642U CN202320715677.8U CN202320715677U CN219240642U CN 219240642 U CN219240642 U CN 219240642U CN 202320715677 U CN202320715677 U CN 202320715677U CN 219240642 U CN219240642 U CN 219240642U
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Abstract
The utility model relates to the technical field of hydraulic engineering and discloses a structure for reinforcing seepage prevention of geomembranes near a building in a warehouse, which comprises the building in the warehouse, wherein the bottom of the building in the warehouse is provided with foundation pit seepage prevention separation type two-cloth-one membrane; the surface of the building in the warehouse is provided with two impermeable reinforced separation type cloth-film, one end of the impermeable reinforced separation type cloth-film is welded with the two impermeable separation type cloth-film of the foundation pit, and the other end of the impermeable reinforced separation type cloth-film is fixed on the surface of the building in the warehouse through an anchoring device; the foundation pit seepage-proofing separation type two-cloth one-film is provided with a first geomembrane expansion joint at the position of a foundation pit slope, the seepage-proofing reinforcement separation type two-cloth one-film is provided with a second geomembrane expansion joint at the position, close to a base, of the side edge of a building in the foundation pit, so that damage in the passive pulling process of the geomembrane is reduced, and seepage-proofing capacity is further improved; the utility model strengthens the seepage-proofing capability near the building in the reservoir with weak seepage-proofing capability, thereby improving the seepage-proofing and water-storing capability of the reservoir.
Description
Technical Field
The utility model relates to the technical field of hydraulic engineering, in particular to a structure for reinforcing seepage prevention of geomembranes near buildings in a warehouse.
Background
Geomembrane seepage prevention is used as the most important seepage prevention measure of the reservoir of the retaining dam, and is widely applied to water conservancy and pumped storage power station engineering. In the water storage process of the retaining dam reservoir, water flow is smoothly led into the reservoir basin by means of some reservoir buildings such as drop water, stilling pool and approach canal, and the reservoir buildings are rigid structures and are complex in structure, so that seepage-proofing films near the reservoir buildings are easily damaged in the construction and operation processes, and water leakage of the reservoir is caused.
The patent CN 215715862U discloses an energy dissipation type water interception ditch structure, wherein expansion joints are uniformly arranged on the water interception ditch along the water interception ditch direction, the expansion joints are arranged at intervals of 8-10m, and the joint width of the expansion joints is 2cm. The expansion joint is filled with an asphalt wood board, a composite geomembrane is paved at the bottom of the expansion joint and extends for 25cm along the direction perpendicular to the expansion joint, an asphalt layer is paved on the longitudinal reinforcing steel bar in a joint passing area, an asphalt hemp yarn layer is wrapped on the asphalt layer, and the joint passing area is within a range of 30cm from front to back of the expansion joint. Patent CN112942244A discloses a construction method of an injection type reservoir seepage prevention system in a severe cold region, which comprises the following steps of S1: firstly, paving a layer of geomembrane at a building foundation part, adopting mortar plastering protection at the upper part of the geomembrane, reserving an allowance at the periphery of the building, paving floating soil for protection, and connecting the geomembrane with a reservoir bottom and a dam body geomembrane when the building is constructed in a pipeline and a dam slope reaches a design elevation; scar angle parts are subjected to scar repairing treatment; s2: cutting holes of the 2 nd geomembrane according to the size of a structure, penetrating the 2 nd geomembrane into a 3 rd water stop ring of a pipeline, and then directly pouring concrete on the geomembrane; when the geomembrane of the dam slope is paved, the dam slope is welded and connected with the geomembrane; s3: the composite geomembrane is connected with the water inlet pipe and the water outlet pipe by wrapping concrete, the composite geomembrane is inserted into the concrete, and the composite geomembrane and the concrete are poured into a whole to form a closed seepage-proof body; s4: the layer 1 is paved, the quality of the welded joint at the part is checked in detail, and the layer 2 is paved after confirming that the error is avoided; and the layer 2 is paved by adopting KS glue for bonding. The two patents are both traditional impermeable geomembrane laying methods, and only the impermeable geomembrane is arranged at the bottom of the in-warehouse building, but the in-warehouse building structure is complex, and the bottom impermeable geomembrane is extremely easy to damage in the construction and operation processes; therefore, the position around the building in the reservoir is one of the weakest positions for preventing seepage of the reservoir, and the geomembrane at the position around the building in the reservoir is damaged, so that the seepage prevention and water storage capacity of the whole reservoir can be disabled.
Disclosure of Invention
The utility model provides a structure for reinforcing seepage prevention of geomembranes near buildings in a reservoir, wherein two cloth-one membranes are arranged on the surfaces of the bottom and the side parts of the buildings in the reservoir, and the seepage prevention reinforced separation type two cloth-one membranes on the surfaces of the buildings in the reservoir are connected with the seepage prevention separation type two cloth-one membranes of a foundation pit, so that the seepage prevention capacity near the buildings in the reservoir with weak seepage prevention of the reservoir is reinforced, and the seepage prevention and water storage capacity of the reservoir is improved.
In order to achieve the above object, the present utility model is realized by the following technical solutions: the structure for reinforcing the seepage prevention of the geomembrane near the building in the warehouse comprises the building in the warehouse, wherein the bottom of the building in the warehouse is provided with foundation pit seepage prevention separation type two-cloth-one membrane; the anti-seepage reinforced separation type two-cloth-one membrane is arranged on the surface of a building in the warehouse, one end of the anti-seepage reinforced separation type two-cloth-one membrane is connected with the anti-seepage separation type two-cloth-one membrane of the foundation pit, and the other end of the anti-seepage reinforced separation type two-cloth-one membrane is fixed on the surface of the building in the warehouse in a sealing way.
Preferably, the two cloth-one films of the anti-seepage reinforced separation type are fixed on the surface of the building in the warehouse through the anchoring structure, polyurethane adhesive cement outside the anchoring structure and the sealing bag-outsourcing separated cloth-one film outside the polyurethane adhesive cement, one end of the sealing bag-outsourcing separated cloth-one film is connected with the two cloth-one films of the anti-seepage reinforced separation type, and the other end of the sealing bag-outsourcing separated cloth-one film is connected with the surface of the building in the warehouse in a sealing way.
Preferably, the anchoring structure sequentially comprises a lower layer rubber gasket, an upper layer rubber gasket, stainless steel flat steel, a spring gasket and expansion bolts from bottom to top, wherein two anti-seepage reinforced separation type cloth films are arranged between the upper layer rubber gasket and the lower layer rubber gasket, and geomembrane special adhesives are arranged between the lower layer rubber gasket and a building in a warehouse, between the lower layer rubber gasket and the anti-seepage reinforced separation type cloth films, and between the upper layer rubber gasket and the anti-seepage reinforced separation type cloth films.
Preferably, the sealing bag is wrapped with a separated one-cloth one-film and the seepage-proofing reinforced separated two-cloth one-film by monorail welding.
Preferably, the sealing bag is wrapped with a separated one-to-one film and is connected with the surface of the building in the warehouse through gluing.
Preferably, the foundation pit anti-seepage separation type two-cloth-one-film is provided with a first geomembrane expansion joint at the position of the foundation pit slope, and the reserved expansion amount of the first geomembrane expansion joint is 1.5% -3%.
Preferably, the impermeable reinforced separation type two-cloth-one membrane is provided with a second geomembrane expansion joint at the side edge of the building in the warehouse, which is close to the base, and the reserved expansion amount of the second geomembrane expansion joint is 1.5% -3%.
Preferably, one end of the seepage-proofing reinforced separation type two-cloth one-film is welded with the seepage-proofing separation type two-cloth one-film of the foundation pit through a single rail.
Preferably, the bottom of the foundation pit anti-seepage separation type two-cloth-one film is provided with a foundation pit mortar cushion layer, and a plain concrete cushion layer is arranged between the upper part of the foundation pit anti-seepage separation type two-cloth-one film and the anti-seepage reinforcement separation type two-cloth-one film and a building in a warehouse.
Preferably, the two cloth-films separated by anti-seepage enhancement are positioned at the corner positions of the buildings in the warehouse, and the geotextile is additionally arranged, and the positions of the geotextile and the two cloth-films separated by anti-seepage enhancement, which are contacted with the buildings in the warehouse, are glued with the buildings in the warehouse.
The utility model has the following beneficial effects:
according to the utility model, the bottom of a building in a warehouse is provided with two separated cloth-one films for foundation pit seepage prevention, the side surface of the building in the warehouse is provided with two separated cloth-one films for seepage prevention enhancement, one end of each of the two separated cloth-one films for seepage prevention enhancement is welded with the two separated cloth-one films for pit seepage prevention, and the other end of each of the two separated cloth-one films for seepage prevention enhancement is fixedly arranged on the surface of the building in the warehouse, so that the seepage prevention capacity around the building in the warehouse is enhanced; the foundation pit seepage-proofing separation type two-cloth one-film is provided with a first geomembrane expansion joint at the position of a foundation pit slope, the seepage-proofing reinforcement separation type two-cloth one-film is provided with a second geomembrane expansion joint at the position, close to a base, of the side edge of a building in the foundation pit, so that damage in the passive pulling process of the geomembrane is reduced, and seepage-proofing capacity is further improved; the upper part of the foundation pit seepage-proofing separation type two-cloth-one film and a plain concrete cushion layer between the seepage-proofing reinforced separation type two-cloth-one film and a building in a warehouse protect the foundation pit seepage-proofing separation type two-cloth-one film, so that the damage caused by the foundation pit seepage-proofing separation type two-cloth-one film in the building in the warehouse during construction and operation is avoided; the utility model strengthens the seepage-proofing capability near the building in the reservoir with weak seepage-proofing capability, thereby improving the seepage-proofing and water-storing capability of the reservoir.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a schematic view of an anchoring structure according to the present utility model.
Wherein: 1. a building in a warehouse; 2. a plain concrete cushion layer; 3. the foundation pit is impermeable and separated, two membranes are distributed; 4. a foundation pit mortar cushion layer; 5. seepage-proofing reinforced separation type two-cloth one-film; 6. an anchor structure; 7. a glue joint; 8. a first weld joint; 9. a second weld joint; 10. a first geomembrane expansion joint; 11. a second geomembrane expansion joint; 12. polyurethane cement; 13. a nut; 14. an expansion bolt; 15. a spring washer; 16. stainless steel flat steel; 17. geomembrane special adhesive; 18. a rubber gasket; 19. the sealing bag is wrapped with a separated cloth film.
Detailed Description
The utility model is specifically described below with reference to the accompanying drawings, and the utility model provides a technical scheme: the structure for reinforcing the seepage prevention of the geomembrane near the building in the warehouse comprises the building 1 in the warehouse, as shown in figures 1 and 2, wherein the bottom of the building 1 in the warehouse is provided with foundation pit seepage prevention separation type two-cloth-one membrane 3; the surface of the building 1 in the warehouse is provided with an anti-seepage reinforced separation type two-cloth-one film 5, one end of the anti-seepage reinforced separation type two-cloth-one film 5 is connected with the anti-seepage separation type two-cloth-one film 3 of the foundation pit, and the other end of the anti-seepage reinforced separation type two-cloth-one film is sealed and fixed on the surface of the building 1 in the warehouse; the in-house building 1 mainly functions as in-house water injection, in-house water flow energy dissipation and the like, and is mainly composed of reinforced concrete, a plain concrete cushion layer 2 is arranged between the upper part of a foundation pit anti-seepage separation type two-cloth-one film 3 and an anti-seepage reinforced separation type two-cloth-one film 5 and the in-house building 1 before construction, the thickness of the plain concrete cushion layer 2 is 10cm, the damage risk of the foundation pit anti-seepage separation type two-cloth-one film 3 in the construction process is reduced, and casting and formwork erection of the in-house building 1 are facilitated. The foundation ditch anti-seepage separation type two cloth one membrane 3 bottoms are provided with foundation ditch mortar bed course 4 for protection foundation ditch bottom and side slope geomembrane, avoid the geomembrane to be pricked by basement and foundation ditch side slope sharp particle, foundation ditch mortar bed course 4 can play the effect of solidifying the slope simultaneously, reduces the foundation ditch slope, reduces foundation ditch excavation volume, and the thickness of foundation ditch mortar bed course 4 is 5cm.
The foundation pit seepage-proofing separation type two-cloth-one membrane 3 is used as a part of a reservoir seepage-proofing membrane, wherein the main function of the geomembrane is that of the reservoir seepage proofing, and the geotextiles on two sides are used for protecting the geomembrane, so that the damage risk of the geomembrane is reduced; wherein the thickness of the geotechnical cloth is 0.8 mm-1.5 mm, and the specification of the geotechnical cloth is 600-800 g/m 2 . The foundation ditch anti-seepage separation type two-cloth one-film 3 is at foundation ditch side slope position first geomembrane expansion joint 10, and the flexible volume is reserved to first geomembrane expansion joint 10 to be 1.5% -3%, and first geomembrane expansion joint 10 is arranged through the zigzag folding mode, in order to avoid Z-shaped folding crease to cause the damage to the geomembrane, pack the obturator foam board in first geomembrane expansion joint 10, first geomembrane expansion joint 10 has reduced the geomembrane and has dragged damage risk.
The seepage-proofing reinforced separation type two-cloth one-film 5 mainly serves to strengthen seepage prevention near a building 1 in a warehouse, the geotextiles on two sides serve to protect an intermediate geofilm and reduce damage risk of the geofilm, wherein the thickness of the geofilm is 0.8-1.5 mm, and the specification of the geotextile is 600-800 g/m 2 . One end of each impermeable reinforced separation type two-cloth one-film 5 is anchored to the building 1 in the warehouse, then the impermeable reinforced separation type two-cloth one-film 3 of the foundation pit is paved along the surfaces of the building 1 in the warehouse, the plain concrete cushion layer 2 and the foundation pit slope, and the end of each impermeable reinforced separation type two-cloth one-film 3 of the foundation pit is subjected to monorail welding with the impermeable reinforced separation type two-cloth one-film 3 of the foundation pit to form a second welding joint 9. The geotextile of the lower layer of the impermeable reinforced separation type two-cloth-one-film 5 and the surface contact part of the building 1 in the warehouse are gluedIn order to strengthen the protection of the geomembrane at the corner of the building 1 in the warehouse, the geotextile is additionally arranged at the corner position of the building 1 in the warehouse, and the position where the geotextile is additionally arranged to contact the building 1 in the warehouse is glued with the building 1 in the warehouse. The two cloth membranes 5 of prevention of seepage enhancement disconnect-type are located 1 side of building in storehouse and are close to the basement position and are provided with second geomembrane telescopic joint 11, and the flexible volume is reserved to second geomembrane telescopic joint 11 to be 1.5% -3%, and second geomembrane telescopic joint 11 arranges through the zigzag folding mode, in order to avoid zigzag folding crease to cause the damage to the geomembrane, packs the obturator foam board in second geomembrane telescopic joint 11, and second geomembrane telescopic joint 11 has reduced the geomembrane and has pulled damage risk.
The two cloth-one films 5 with the enhanced separation type of seepage prevention are fixed on the surface of the building 1 in the warehouse through the anchoring structure 6, the polyurethane adhesive cement 12 outside the anchoring structure 6 and the sealing bag-outsourcing separated cloth-one film 19 outside the polyurethane adhesive cement 12, one end of the sealing bag-outsourcing separated cloth-one film 19 is connected with the two cloth-one films 5 with the enhanced separation type of seepage prevention, and the other end is connected on the surface of the building 1 in the warehouse in a sealing way. The anchoring structure 6 sequentially comprises a lower-layer rubber gasket 18, an upper-layer rubber gasket 18, stainless steel flat steel 16, a spring gasket 15 and expansion bolts 14 from bottom to top, wherein the anti-seepage reinforced separation type two-cloth-one membrane 5 is arranged between the upper-layer rubber gasket 18 and the lower-layer rubber gasket 18, between the lower-layer rubber gasket 18 and the in-warehouse building 1, between the lower-layer rubber gasket 18 and the anti-seepage reinforced separation type two-cloth-one membrane 5, and between the upper-layer rubber gasket 18 and the anti-seepage reinforced separation type two-cloth-one membrane 5 are all provided with geomembrane special adhesives 17. Wherein the diameter of the expansion bolts 14 is 10-16 mm, the length is 15-25 cm, the distance is 20-30 cm, and the expansion bolts 14 are matched with the nuts 13 to anchor the geomembrane. A spring washer 15 is interposed between the nut 13 and the stainless steel flat 16 and mainly serves to prevent loosening of the nut 13. The stainless steel flat bar 16 is preferably 5×0.5cm (width×thickness) in size, and is arranged between the spring gasket 15 and the upper rubber gasket 18, and mainly used for increasing the contact area and protecting the rubber gasket 18; the upper rubber gasket 18 is arranged between the stainless steel flat steel 16 and the impermeable reinforced separation type two-cloth-one film 5, the lower rubber gasket 18 is arranged between the impermeable reinforced separation type two-cloth-one film 5 and the in-house building 1, and the rubber gasket 18 is preferably used in size10×1cm (width×thickness), which is mainly used for protecting the seepage-proofing, reinforcing and separating two-cloth-one film 5, so as to improve the tightness of the anchoring structure 6. The polyurethane cement 12 at the upper part of the anchoring structure 6 is semicircular, and the diameter of the semicircle is preferably 20cm; one end of the sealing bag outside the polyurethane cement 12 is wrapped with the separated one-cloth one-film 19, the two separated one-cloth one-films 5 are welded with the seepage-proofing reinforcement by a single rail to form a first welding seam, and the other end of the sealing bag is connected with the surface of the building 1 in the warehouse by gluing to form a glue joint 7. The geomembrane of the sealed bag and the separated one-cloth-one-membrane 19 is preferably LLDPE membrane, the thickness is 0.8-1.5 mm, and the geotextile specification is 600-800 g/m 2 One end of the geotextile close to the first welding joint 8 is welded with the geotextile at the middle upper part of the seepage-proofing reinforced separation type two-cloth-one-film 5, and the other end of the geotextile is connected with the surface of the in-warehouse building 1 in an adhesive manner. The sealing bag is wrapped by the separated type one-cloth-one film 19 and the polyurethane cement 12 to form the sealing bag, so that the end parts of the impermeable reinforced separated type two-cloth-one film 5 are further sealed, the air tightness of the impermeable reinforced separated type two-cloth-one film 5 is enhanced, and the impermeable capacity of the integral structure is improved.
While the utility model has been described in connection with what is presently considered to be the most practical and preferred embodiment, it is to be understood that the terms "center," "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are merely used for convenience in describing and simplifying the description, and do not necessarily indicate or imply that the apparatus or elements in question must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the utility model.
Claims (10)
1. The structure for reinforcing the seepage prevention of the geomembrane near the building in the warehouse comprises the building in the warehouse, and is characterized in that the bottom of the building in the warehouse is provided with foundation pit seepage prevention separation type two-in-one membranes; the anti-seepage reinforced separation type two-cloth-one membrane is arranged on the surface of a building in the warehouse, one end of the anti-seepage reinforced separation type two-cloth-one membrane is connected with the anti-seepage separation type two-cloth-one membrane of the foundation pit, and the other end of the anti-seepage reinforced separation type two-cloth-one membrane is fixed on the surface of the building in the warehouse in a sealing way.
2. The structure for reinforcing the seepage prevention of a geomembrane near a building in a warehouse according to claim 1, wherein the seepage prevention reinforcing separation type two-cloth-one membrane is fixed on the surface of the building in the warehouse through an anchoring structure, polyurethane cement outside the anchoring structure and a sealing bag outsourcing separation type one-cloth-one membrane outside the polyurethane cement, one end of the sealing bag outsourcing separation type one-cloth-one membrane is connected with the seepage prevention reinforcing separation type two-cloth-one membrane, and the other end of the sealing bag outsourcing separation type one-cloth-one membrane is connected to the surface of the building in the warehouse in a sealing way.
3. The structure for reinforcing the seepage prevention of the geomembrane near the building in the warehouse according to claim 2, wherein the anchoring structure sequentially comprises a lower layer rubber gasket, an upper layer rubber gasket, stainless steel flat steel, a spring gasket and expansion bolts from bottom to top, wherein the seepage prevention reinforced separation type two-cloth-one membrane is arranged between the upper layer rubber gasket and the lower layer rubber gasket, the geomembrane special glue is arranged between the lower layer rubber gasket and the building in the warehouse, between the lower layer rubber gasket and the seepage prevention reinforced separation type two-cloth-one membrane, and between the upper layer rubber gasket and the seepage prevention reinforced separation type two-cloth-one membrane.
4. The structure for reinforcing the seepage-proofing of a geomembrane in the vicinity of a building in a warehouse according to claim 2, wherein the sealing bag is wrapped with a separate one-cloth-one membrane and the seepage-proofing reinforcing separate two-cloth-one membrane by monorail welding.
5. The structure for reinforcing the seepage prevention of geomembranes in the vicinity of a building in a warehouse according to claim 2, wherein the sealing bag is covered with a separate one-by-one membrane and is adhesively connected to the surface of the building in the warehouse.
6. The structure for reinforcing the seepage prevention of the geomembrane near the building in the warehouse according to claim 1, wherein a first geomembrane expansion joint is arranged at the position of the foundation pit slope where the two-in-one membrane is positioned at the foundation pit seepage prevention separation type, and the reserved expansion amount of the first geomembrane expansion joint is 1.5% -3%.
7. The structure for reinforcing the seepage prevention of the geomembrane near the building in the warehouse according to claim 1, wherein a second geomembrane expansion joint is arranged at the side edge of the building in the warehouse near the base, and the reserved expansion amount of the second geomembrane expansion joint is 1.5% -3%.
8. The structure for reinforcing an impermeable membrane for a geomembrane in a vicinity of a building in a warehouse of claim 1, wherein one end of the impermeable reinforced separation type two-cloth one membrane is welded with the impermeable separation type two-cloth one membrane of a foundation pit by a monorail.
9. The structure for reinforcing the seepage prevention of the geomembrane near the building in the warehouse according to claim 1, wherein a foundation pit mortar cushion layer is arranged at the bottom of the foundation pit seepage prevention separation type two-cloth-one membrane, and a plain concrete cushion layer is arranged between the upper part of the foundation pit seepage prevention separation type two-cloth-one membrane and the seepage prevention reinforcement separation type two-cloth-one membrane and the building in the warehouse.
10. The structure for reinforcing the seepage prevention of the geomembrane near the building in the warehouse according to claim 1, wherein the seepage prevention reinforcing separation type two-cloth-one membrane is arranged at the corner position of the building in the warehouse, the geotextile is additionally arranged, and the positions of the geotextile, the seepage prevention reinforcing separation type two-cloth-one membrane, which are contacted with the building in the warehouse are glued with the building in the warehouse.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320715677.8U CN219240642U (en) | 2023-04-04 | 2023-04-04 | Structure for reinforcing seepage prevention of geomembrane near building in warehouse |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202320715677.8U CN219240642U (en) | 2023-04-04 | 2023-04-04 | Structure for reinforcing seepage prevention of geomembrane near building in warehouse |
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| CN219240642U true CN219240642U (en) | 2023-06-23 |
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| CN202320715677.8U Active CN219240642U (en) | 2023-04-04 | 2023-04-04 | Structure for reinforcing seepage prevention of geomembrane near building in warehouse |
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- 2023-04-04 CN CN202320715677.8U patent/CN219240642U/en active Active
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