CN110397088B - Advanced water-stop post-pouring strip structure of river beach working condition basement and construction method - Google Patents
Advanced water-stop post-pouring strip structure of river beach working condition basement and construction method Download PDFInfo
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- CN110397088B CN110397088B CN201910805409.3A CN201910805409A CN110397088B CN 110397088 B CN110397088 B CN 110397088B CN 201910805409 A CN201910805409 A CN 201910805409A CN 110397088 B CN110397088 B CN 110397088B
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- 238000010276 construction Methods 0.000 title claims abstract description 60
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 98
- 239000010410 layer Substances 0.000 claims abstract description 60
- 239000004567 concrete Substances 0.000 claims abstract description 39
- 238000005192 partition Methods 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims abstract description 8
- 230000000149 penetrating effect Effects 0.000 claims abstract description 6
- 239000002344 surface layer Substances 0.000 claims abstract description 6
- 239000011247 coating layer Substances 0.000 claims abstract description 5
- 239000004814 polyurethane Substances 0.000 claims abstract description 5
- 229920002635 polyurethane Polymers 0.000 claims abstract description 5
- 238000005086 pumping Methods 0.000 claims abstract description 4
- 238000010521 absorption reaction Methods 0.000 claims abstract 2
- 238000007789 sealing Methods 0.000 claims description 40
- 125000006850 spacer group Chemical group 0.000 claims description 7
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 238000002955 isolation Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 210000001503 joint Anatomy 0.000 claims description 3
- 239000011150 reinforced concrete Substances 0.000 claims description 3
- 238000010923 batch production Methods 0.000 claims description 2
- 238000002360 preparation method Methods 0.000 claims description 2
- 239000003673 groundwater Substances 0.000 abstract description 13
- 230000000694 effects Effects 0.000 abstract description 3
- 229920001971 elastomer Polymers 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000011065 in-situ storage Methods 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/16—Arrangement or construction of joints in foundation structures
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/02—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against ground humidity or ground water
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/02—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against ground humidity or ground water
- E02D31/025—Draining membranes, sheets or fabric specially adapted therefor, e.g. with dimples
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The invention discloses a river beach working condition basement advanced water stop post-pouring belt structure and a construction method, wherein the river beach working condition basement advanced water stop post-pouring belt structure comprises a basement main structure and a post-pouring belt, a cast-in-place concrete waterproof layer is arranged below the post-pouring belt, a water stop wall formed by waterproof members connected end to end is arranged in the cast-in-place concrete waterproof layer, a waterproof coiled material layer, a polyurethane waterproof coating layer, a waterproof protection layer and a concrete base layer are sequentially arranged on the surface layer of the waterproof members from outside to inside, a water stop cavity is arranged in the waterproof members, water stop partition plates arranged side by side are arranged in the water stop cavity, water absorption bars are filled in gaps between the water stop partition plates and the water stop cavity, the ends of the waterproof members at two ends of the water stop wall are connected with construction anti-seepage well members, a water collecting device and a drainage device are arranged in the construction anti-seepage well members, and the drainage device is connected with an external water pumping pipe. The invention can effectively prevent groundwater from penetrating towards the basement direction of the building, has obvious water stopping effect, and is very suitable for building foundations with much groundwater under the working condition of the south river beach.
Description
Technical Field
The invention relates to the technical field of constructional engineering, in particular to a river beach working condition basement advanced water stop post-pouring belt structure and a construction method.
Background
In construction engineering, the retention time of the post-cast strip is generally long. When the building foundation is below the ground water level, a traditional post-pouring belt mode is generally adopted, and concrete of the post-pouring belt is poured after the construction of the main body structure is completed. The method requires continuous groundwater level precipitation in the main body construction process, ensures that groundwater is kept below a building foundation, and can not stop precipitation until the main body structure is finished and post-cast strip concrete is poured. The construction method comprises the following steps: the building foundation is exposed to the air for a long time, and because of the existence of day and night temperature difference, the building foundation is easy to generate telescopic cracks, easy to leak, easy to accumulate water at the bottom of the foundation and the like, the subsequent waterproof treatment is unfavorable, in order to solve the adverse factors, in actual engineering, a guide wall is usually added at the post-pouring zone parts of the bottom plate and the outer wall of the building foundation, a rubber water stop strip is arranged in the guide wall, and the guide wall and the bottom plate of the building foundation are poured simultaneously, and the post-pouring zone is reserved.
However, since only one layer of rubber water stop is arranged in the guide wall at the position of the existing post-cast strip, the rubber water stop is difficult to lay neatly in the construction process, and if the joint seam of the rubber water stop is improperly treated, particularly for the building foundation with much groundwater under the working condition of the river beach in the south, the good water stop effect cannot be realized by simply relying on one layer of rubber water stop, the improperly treated water stop is easy to leak, and further improvement is needed.
Disclosure of Invention
In order to solve the problems, the invention aims to provide a river beach working condition basement advanced water stop post-pouring strip structure and a construction method, and by arranging a water stop wall with a multiple waterproof structure, groundwater can be effectively prevented from penetrating into a building basement.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the utility model provides a river beach operating mode basement advanced stagnant water post-cast strip structure, includes basement major structure and post-cast strip, the below of post-cast strip sets up cast in situ concrete waterproof layer, be equipped with the retaining wall that comprises end to end's waterproof component in the cast in situ concrete waterproof layer, waterproof component top layer sets gradually waterproof coiled material layer, polyurethane waterproof coating layer, waterproof protective layer and concrete basic unit from outer to interior, waterproof component inside is equipped with the stagnant water cavity, be equipped with the stagnant water baffle that sets up side by side in the stagnant water cavity, it has the rod that absorbs water to fill in the space between stagnant water baffle and the stagnant water cavity, be in the retaining wall both ends the end of waterproof component links to each other with construction impervious well component again, be equipped with water collecting device and drainage device in the construction impervious well component, drainage device links to each other with external drinking-water pipe.
Further, the waterproof component is a PC component of batch production preparation, the one end of waterproof component is equipped with sealed tenon, the other end of waterproof component be equipped with be convenient for with sealed tenon end to end's seal groove, be equipped with the locking go-between on the waterproof component outer lane of sealed tenon head end, be close to be equipped with on the waterproof component outer lane of seal groove with locking go-between butt joint, through bolt-up connection between locking go-between and the locking go-between.
Furthermore, the joint of the head and the tail of the water stop baffle plate is provided with a sealing connection spacer bush.
Further, the well bottom surface of the construction seepage-proofing well component is lower than the bottom surface of the cast-in-place concrete waterproof layer.
Further, the surface layer of the water stop cavity is provided with an inner waterproof coating.
Furthermore, the construction seepage-proofing well component is a PC component manufactured in a factory, a connecting hole connected with the end of the waterproof component is formed in the side face of the middle lower portion of the construction seepage-proofing well component, a sealing cover for preventing rainwater and underground water from permeating is arranged on the upper portion of the construction seepage-proofing well component, and a waterproof sealing isolation layer is arranged in the sealing cover.
A construction method of a basement advanced water stop post-pouring strip structure based on a river beach working condition comprises the following steps:
s1, constructing an outer waterproof structure of a basement main body structure;
s2, constructing a cast-in-place concrete waterproof layer, wherein a trapezoid groove structure is arranged in the cast-in-place concrete waterproof layer;
s3, installing a waterproof component at the middle position of the trapezoid groove of the cast-in-place concrete waterproof layer, fixing the waterproof component end to end on a water stop wall formed in the cast-in-place concrete waterproof layer, namely, sealing the two water stop partition boards end to end through a sealing connection spacer bush, sealing the waterproof component end to end through a sealing tenon and the sealing groove, locking the waterproof component by using a locking connecting ring and a locking connecting ring, and pouring waterproof materials on the outer layer of the joint;
s4, fixing a construction seepage-proofing well component in the cast-in-place concrete waterproof layer, connecting the construction seepage-proofing well component with two ends of a water stop wall, and connecting the end head of the waterproof component with a connecting hole of the construction seepage-proofing well component;
s5, pouring a layer of reinforced concrete outside the cast-in-place concrete waterproof layer and the waterproof component according to design requirements;
s6, pouring the post-cast strip after the construction of the main body structure is completed, and completing the construction.
And further, before pouring the post-pouring belt in the step S6, removing the drainage device and sealing and leveling the construction anti-seepage well member.
The invention has the following beneficial effects:
1. according to the invention, the prefabricated waterproof component is arranged in the cast-in-place concrete waterproof layer below the post-cast strip, a plurality of waterproof structures are arranged in the waterproof component, the waterproof component is connected with the construction seepage-proofing well component, and groundwater which can permeate into the inner layer and the outer layer of the waterproof component is collected into the construction seepage-proofing well component, so that the groundwater can be effectively prevented from permeating into the basement direction of the building, and the waterproof performance is good;
2. the waterproof component has reasonable structure, is suitable for industrial mass production and manufacture, has the advantages that the structures at the two ends of the waterproof component are convenient to connect and seal, the underground water is prevented from penetrating at the joint of the waterproof component, and the waterproof component is very suitable for building foundations with much underground water under the working condition of the river beach in the south;
3. the waterproof component is combined with the construction anti-seepage well component, the waterproof component mainly plays a passive water stopping function, the construction anti-seepage well component plays a role in active prevention, and for the occasion with much underground water, the seepage water outside the water stop wall can be guided into the construction anti-seepage well component for centralized collection treatment, so that the underground water is prevented from crossing the water stop wall.
In a word, the waterproof performance of the invention is good, can prevent groundwater from penetrating to the basement direction of the building effectively, the water stopping effect is obvious, although the invention needs to increase the cost of part of construction, but is very suitable for the foundation of the building with much groundwater in the working condition of the south river beach.
Drawings
FIG. 1 is a plan view of a basement advanced water stop post-pouring strip structure under a river beach working condition;
FIG. 2 is a schematic cross-sectional view of a water wall structure according to the present invention;
FIG. 3 is an enlarged schematic view of FIG. 2 at A;
FIG. 4 is a schematic cross-sectional view of a basement advanced water stop post-pouring strip structure under river beach conditions;
FIG. 5 is a schematic cross-sectional view of a flashing member of the invention;
FIG. 6 is a schematic cross-sectional view of a constructed seepage-proofing well component of the present invention.
Reference numerals illustrate:
1. a basement main body structure; 2. post-cast strip; 3. cast-in-place concrete waterproof layer; 4. a waterproof member; 41. a waterproof coiled material layer; 42. a polyurethane waterproof coating layer; 43. a waterproof protective layer; 44. a concrete base layer; 45. a water-stopping cavity; 46. sealing the tenon; 47. sealing the groove; 48. an inner waterproof coating; 5. a water stop baffle; 51. the spacer bush is connected in a sealing way; 6. a water-absorbing bar; 7. constructing an anti-seepage well component; 71. a water collecting device; 72. a drainage device; 73. a water pumping pipe; 74. a connection hole; 75. sealing cover; 76. a waterproof sealing isolation layer; 8. anti-loosening connecting rings; 9. a locking connecting ring; 10. a water stop wall.
Detailed Description
The invention is described in further detail below with reference to the attached drawings and specific examples:
referring to fig. 1-6, a river beach working condition basement advanced water-stop post-pouring strip structure comprises a basement main body structure 1 and a post-pouring strip 2, a cast-in-place concrete waterproof layer 3 is arranged below the post-pouring strip 2, a water-stop wall 10 formed by waterproof members 4 connected end to end is arranged in the cast-in-place concrete waterproof layer 3, a waterproof coiled material layer 41, a polyurethane waterproof coating layer 42, a waterproof protection layer 43 and a concrete base layer 44 are sequentially arranged on the surface layer of the waterproof members 4 from outside to inside, a water-stop cavity 45 is arranged inside the waterproof members 4, water-stop partition plates 5 are arranged side by side in the water-stop cavity 45, water-absorbing bars 6 are filled in gaps between the water-stop partition plates 5 and the water-stop cavity 45, the ends of the waterproof members 4 at two ends of the water-stop wall 10 are connected with a construction anti-seepage well member 7, a water collecting device 71 and a water draining device 72 are arranged in the construction anti-seepage well member 7, and the water draining device 72 is connected with an external water pumping pipe 73. In actual construction, the water stop wall 10 arranged in the cast-in-place concrete waterproof layer 3 below the post-pouring strip 2 can form a surrounding ring around the basement main body structure 1, and the water stop wall 10 surrounding the basement main body structure 1 can well prevent groundwater from penetrating into the basement main body structure because the bottom base layer of the basement main body structure 1 is waterproof.
Referring to fig. 3-5, the waterproof component 4 is a PC component manufactured in a factory, the PC component is made into a flat strip-shaped structure as far as possible, one end of the waterproof component 4 is provided with a sealing tenon 46, the other end of the waterproof component 4 is provided with a sealing groove 47 which is convenient to be connected with the sealing tenon 46 end to end, an anti-loosening connecting ring 8 is arranged on the outer ring of the waterproof component 4 at the end of the sealing tenon 46, an anti-loosening connecting ring 9 which is in butt joint with the anti-loosening connecting ring 8 is arranged on the outer ring of the waterproof component 4 close to the sealing groove 47, and the anti-loosening connecting ring 8 is connected with the anti-loosening connecting ring 9 through bolt fastening; the surface layer of the water stop cavity 45 is provided with an inner waterproof coating 48.
The joint of the head and the tail of the water stop baffle plate 5 is provided with a sealing connection spacer bush 51.
The bottom surface of the construction seepage-proofing well component 7 is lower than the bottom surface of the cast-in-place concrete waterproof layer 3. Referring to fig. 6, the construction anti-seepage well member 7 is a PC member for factory production, a connecting hole 74 connected with the end of the waterproof member 4 is provided on the side of the middle lower portion of the construction anti-seepage well member 7, a sealing cover 75 for preventing rainwater and groundwater from permeating is provided on the upper portion of the construction anti-seepage well member 7, and a waterproof sealing isolation layer 76 is provided in the sealing cover 75.
A construction method of a basement advanced water stop post-pouring strip structure based on a river beach working condition comprises the following steps:
s1, constructing an outer waterproof structure of a basement main body structure 1;
s2, constructing a cast-in-place concrete waterproof layer 3, wherein a trapezoid groove structure is arranged in the cast-in-place concrete waterproof layer 3;
s3, installing a waterproof component 4 in the middle of a trapezoid groove of the cast-in-place concrete waterproof layer 3, fixing the waterproof component 4 end to end on a water stop wall 10 formed in the cast-in-place concrete waterproof layer 3, namely, sealing the two water stop partition boards 5 end to end through a sealing connection spacer bush 51, sealing the waterproof component 4 end to end through a sealing tenon 46 and a sealing groove 47, locking by an anti-loosening connecting ring 8 and an anti-loosening connecting ring 9, and pouring waterproof materials on the outer layer of the joint;
s4, fixing the construction seepage-proofing well component 7 in the cast-in-place concrete waterproof layer 3, connecting the construction seepage-proofing well component 7 with two ends of the water stop wall 10, and connecting the end head of the waterproof component 4 with a connecting hole 74 of the construction seepage-proofing well component 7;
s5, pouring a layer of reinforced concrete outside the cast-in-place concrete waterproof layer 3 and the waterproof component 4 according to design requirements;
s6, pouring the post-cast strip 2 after the construction of the main body structure is completed, and completing the construction.
Before pouring the post-cast strip 2 in the step S6, the drainage device 72 is removed, and then the construction anti-seepage well member 7 is sealed and leveled.
The foregoing description is only specific embodiments of the present invention and is not intended to limit the scope of the invention, and all equivalent structural changes made by the present invention and the accompanying drawings, or direct or indirect application in other related technical fields, are included in the scope of the present invention.
Claims (8)
1. The utility model provides a river beach operating mode basement stagnant water post-cast strip structure, includes basement major structure (1) and post-cast strip (2), its characterized in that: the waterproof construction method is characterized in that a cast-in-place concrete waterproof layer (3) is arranged below the post-cast strip (2), a water stop wall (10) formed by waterproof components (4) connected end to end is arranged in the cast-in-place concrete waterproof layer (3), a waterproof coiled material layer (41), a polyurethane waterproof coating layer (42), a waterproof protection layer (43) and a concrete base layer (44) are sequentially arranged on the surface layer of the waterproof components (4) from outside to inside, a water stop cavity (45) is formed in the waterproof components (4), water stop partition plates (5) are arranged side by side in the water stop cavity (45), water absorption bars (6) are filled in gaps between the water stop partition plates (5) and the water stop cavity (45), the ends of the waterproof components (4) at two ends of the water stop wall (10) are connected with a construction seepage-proof well component (7), a water collecting device (71) and a water draining device (72) are arranged in the construction seepage-proof well component (7), and the water draining device (72) is connected with an external water pumping pipe (73).
2. The advanced water stop post-pouring strip structure of a river beach working condition basement according to claim 1, wherein the advanced water stop post-pouring strip structure is characterized in that: waterproof component (4) are PC component of batch production preparation, the one end of waterproof component (4) is equipped with sealed tenon (46), the other end of waterproof component (4) be equipped with be convenient for with sealed recess (47) of sealed tenon (46) end to end, be equipped with locking go-between (8) on waterproof component (4) outer lane of sealed tenon (46) end, be close to be equipped with on waterproof component (4) outer lane of sealing recess (47) with locking go-between (9) of locking go-between (8) butt joint, pass through bolt-up connection between locking go-between (9).
3. The advanced water stop post-pouring strip structure of a river beach working condition basement according to claim 1, wherein the advanced water stop post-pouring strip structure is characterized in that: the sealing connection spacer bush (51) is arranged at the joint of the head and the tail of the water stop baffle plate (5).
4. The advanced water stop post-pouring strip structure of a river beach working condition basement according to claim 1, wherein the advanced water stop post-pouring strip structure is characterized in that: the bottom surface of the construction seepage-proofing well component (7) is lower than the bottom surface of the cast-in-place concrete waterproof layer (3).
5. The advanced water stop post-pouring strip structure of a river beach working condition basement according to claim 1, wherein the advanced water stop post-pouring strip structure is characterized in that: the surface layer of the water stop cavity (45) is provided with an inner waterproof coating (48).
6. The advanced water stop post-pouring strip structure of a river beach working condition basement according to claim 1, wherein the advanced water stop post-pouring strip structure is characterized in that: the construction seepage-proofing well component (7) is a PC component manufactured in a factory, a connecting hole (74) connected with the end of the waterproof component (4) is formed in the side face of the middle lower portion of the construction seepage-proofing well component (7), a sealing cover (75) for preventing rainwater and underground water from penetrating is arranged on the upper portion of the construction seepage-proofing well component (7), and a waterproof sealing isolation layer (76) is arranged in the sealing cover (75).
7. The construction method of the advanced water stop post-pouring strip structure of the river beach working condition basement, which is characterized by comprising the following steps of: the method comprises the following steps:
s1, constructing an outer waterproof structure of a basement main body structure (1);
s2, constructing a cast-in-place concrete waterproof layer (3), wherein a trapezoid groove structure is arranged in the cast-in-place concrete waterproof layer (3);
s3, installing a waterproof component (4) at the middle position of a trapezoid groove of the cast-in-place concrete waterproof layer (3), fixing the waterproof component (4) end to end on a water stop wall (10) formed in the cast-in-place concrete waterproof layer (3), namely, sealing and connecting the two ends of the water stop partition boards (5) end to end through a sealing connection spacer bush (51), sealing and connecting the waterproof component (4) end to end through a sealing tenon (46) and a sealing groove (47), locking by utilizing a locking connecting ring (8) and a locking connecting ring (9), and pouring waterproof materials on the outer layer of the joint;
s4, fixing a construction seepage-proofing well component (7) in the cast-in-place concrete waterproof layer (3) and connecting the construction seepage-proofing well component (7) with two ends of a water stop wall (10), and connecting the end of the waterproof component (4) with a connecting hole (74) of the construction seepage-proofing well component (7);
s5, pouring a layer of reinforced concrete outside the cast-in-place concrete waterproof layer (3) and the waterproof component (4) according to design requirements;
s6, pouring the post-cast strip (2) after the construction of the main body structure is completed, and completing the construction.
8. The construction method of the advanced water stop post-pouring strip structure of the river beach working condition basement, which is characterized by comprising the following steps of: and S6, before the post-pouring belt (2) is poured, removing the drainage device (72), and then sealing and leveling the construction seepage-proofing well component (7).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910805409.3A CN110397088B (en) | 2019-08-29 | 2019-08-29 | Advanced water-stop post-pouring strip structure of river beach working condition basement and construction method |
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| CN201910805409.3A CN110397088B (en) | 2019-08-29 | 2019-08-29 | Advanced water-stop post-pouring strip structure of river beach working condition basement and construction method |
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| CN110397088B true CN110397088B (en) | 2024-03-01 |
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| CN115162421B (en) * | 2022-07-21 | 2023-07-14 | 北京建工集团有限责任公司 | Basement outer wall embedded water stop guide wall structure and construction method thereof |
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