CN113089822A - Waterproof basement built by adopting precast concrete slabs - Google Patents
Waterproof basement built by adopting precast concrete slabs Download PDFInfo
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- CN113089822A CN113089822A CN202110477287.7A CN202110477287A CN113089822A CN 113089822 A CN113089822 A CN 113089822A CN 202110477287 A CN202110477287 A CN 202110477287A CN 113089822 A CN113089822 A CN 113089822A
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- 239000011178 precast concrete Substances 0.000 title claims abstract description 75
- 239000004567 concrete Substances 0.000 claims abstract description 120
- 238000009413 insulation Methods 0.000 claims abstract description 43
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 32
- 230000001681 protective effect Effects 0.000 claims abstract description 21
- 239000002689 soil Substances 0.000 claims abstract description 13
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000002390 adhesive tape Substances 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 238000010276 construction Methods 0.000 abstract description 9
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000011144 upstream manufacturing Methods 0.000 abstract description 3
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 230000002195 synergetic effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 3
- 238000005034 decoration Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011083 cement mortar Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/0007—Base structures; Cellars
- E04B1/0015—Cellars constructed from prefabricated units
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/06—Restraining of underground water
- E02D19/10—Restraining of underground water by lowering level of ground water
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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
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
- E04B1/78—Heat insulating elements
- E04B1/80—Heat insulating elements slab-shaped
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- Civil Engineering (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Physics & Mathematics (AREA)
- Paleontology (AREA)
- Mining & Mineral Resources (AREA)
- General Engineering & Computer Science (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Electromagnetism (AREA)
- Acoustics & Sound (AREA)
- Building Environments (AREA)
Abstract
The invention provides a waterproof basement built by precast concrete slabs, and relates to an assembled concrete building, wherein the periphery of the basement is formed by assembling precast concrete basement waterproof heat-insulation wallboards, a plain concrete cushion layer is arranged below the precast concrete basement waterproof heat-insulation wallboards, a precast concrete waterproof layered protective board is arranged on an outer waterproof bed plate of the precast concrete basement waterproof heat-insulation wallboards, a groove is arranged on the outer side of the precast concrete basement waterproof heat-insulation wallboards far away from the precast concrete basement waterproof heat-insulation wallboards, a drain pipe is arranged in the groove, and backfill soil is filled in the groove; the invention has the advantages that the integral synergistic performance of the wall body is good, the energy-saving performance is high, the construction is simplified, the industrialization efficiency is obviously improved, and the resource and energy consumption is reduced; in case the problem of leaking water appears, handle at the upstream face of precast concrete basement waterproof insulation wallboard, the surface of a poor water of precast concrete waterproof layer protection shield or the space between the two, reduce the maintenance degree of difficulty.
Description
Technical Field
The invention relates to an assembled concrete building, in particular to a waterproof basement built by precast concrete slabs, which is adopted by an energy-saving building.
Background
The urban construction land is relatively tense, and the construction of basements is more and more. Although the construction of the basement solves the problem of land resource shortage to a certain extent, the engineering quality problem of the basement is continuously emerged. Especially basement leakage has become a more common quality issue.
Basement engineering structure is complicated, generally not can solve with single waterproof leaking stoppage material. The traditional plugging method is difficult to obtain radical effect. Especially for the assembled wall, the joints are easy to leak due to complex stress. In addition, once water leaks, the maintenance is difficult.
In order to solve this problem, a wall is often built on the inner side of the retaining wall of the water seepage part. The drainage ditch is arranged on the ground between the walls, water permeating into the basement is drained to a nearby drainage system in a drainage mode, in addition, in order to prevent the water leakage phenomenon again, waterproof and moistureproof treatment is needed between the retaining wall and the walls, and the construction cost is higher.
In addition, a layer of light drainage plate is arranged on the inner side of the water seepage partial wall, a drainage ditch is arranged on the ground, and water permeating into the basement is drained to a nearby drainage system in a drainage mode. Before construction, the wall surface is guaranteed to be solid, flat and smooth and cannot have the phenomena of looseness, sanding, upwarping, sharp projection, hollowing and the like, then an adhesive is coated on the wall surface, a drainage plate is bonded, a net cloth and the drainage plate are fixed by steel nails and shooting nails, an interface agent is sprayed on the drainage plate, cement mortar is painted on the drainage plate, and the surface is plastered by the mortar. Because the construction is convenient, but the cost is higher and still adopts the mode of "arranging", the engineering problem is not solved from the source.
Disclosure of Invention
In order to solve the technical problems, the invention provides the waterproof basement built by the precast concrete slabs, which mainly solves the problems of water resistance, heat preservation, stability and the like of the basement.
In order to achieve the purpose, the invention adopts the technical scheme that:
the waterproof basement is built by adopting precast concrete slabs and comprises precast concrete basement waterproof heat-insulation wallboards, precast concrete waterproof layered protection boards and a drain pipe, wherein the periphery of the basement is formed by splicing the precast concrete basement waterproof heat-insulation wallboards; the outer waterproof bed plate of the waterproof heat-insulation wall plate of the precast concrete basement is provided with a waterproof layer-adding protective plate of the precast concrete, the outer waterproof bed plate is tightly attached to the waterproof layer-adding protective plate of the precast concrete, the waterproof layer-adding protective plate of the precast concrete is arranged outside the waterproof heat-insulation wall plate of the precast concrete basement, a groove is formed in the groove, a drain pipe is arranged in the groove, gravels are laid around the drain pipe, the waterproof layer-adding protective plate of the precast concrete is tightly attached to the waterproof heat-insulation wall plate of the precast concrete basement, and backfill soil is filled in.
Furthermore, the concrete heat-insulating plate is a lattice type concrete heat-insulating plate, the concrete heat-insulating plate comprises an outer concrete plate and an inner concrete plate, the outer concrete plate and the inner concrete plate are vertically parallel, the outer concrete plate and the inner concrete plate are connected through a plurality of dry concrete connecting and picking lugs, the concrete connecting and picking lugs are divided into concrete connecting and picking lugs in the horizontal direction and connecting and picking lugs in the vertical direction, the concrete connecting and picking lugs in the horizontal direction and the connecting and picking lugs in the vertical direction are arranged in rows, and the concrete connecting and picking lugs are concrete members with rectangular cross sections;
filling heat insulation boards in all spaces between the outer concrete board and the inner concrete board except the concrete connecting lugs;
connecting steel bars are arranged in the outer concrete plate and the inner concrete plate and respectively extend out of the top surfaces of the outer concrete plate and the inner concrete plate;
vertical waterproof adhesive tape grooves are formed in the horizontal two ends of the outer concrete plate and the inner concrete plate, and the horizontal cross section of each waterproof adhesive tape groove is semicircular.
Further, the width ratio of the inner reinforcing base plate to the outer waterproof base plate is 1.5-3.
Furthermore, the precast concrete waterproof layered protection plate comprises an outer protection plate, a dense rib plate, a water-guiding plate and an inclined end rib, wherein the outer protection plate is a vertical concrete plate, and the bottom surface of the outer protection plate of the precast concrete waterproof layered protection plate is flush with the top surface of the outer waterproof base plate; a plurality of vertical dense rib plates are arranged between the outer protective plate and the precast concrete basement waterproof heat-insulating wall plate, and the dense rib plates are uniformly distributed; the upper end of the dense rib plate is provided with a water-following plate which is an inclined concrete plate; one end of the water guiding plate is connected with the outer guard plate, the inclined end rib at the other end is connected with the inclined end rib, and the inclined end rib is vertically flush with the rib plate; the water guiding plate horizontally inclines downwards, and the end connected with the outer guard plate along the water guiding plate is lower than the end connected with the inclined end rib along the water guiding plate.
Furthermore, the drain pipe comprises a pipe wall and water permeable holes, the cross section of the pipe wall is circular, 2-3 rows of water permeable holes are formed in the range of 90-degree arcs on the upper portion of the pipe wall, and each row of water permeable holes are uniformly distributed along the length direction of the pipe.
Further, the bottom of the groove is 200 mm and 300mm away from the plain concrete cushion layer.
Furthermore, the highest point of the drain pipe is 5-50mm lower than the top surface of the outer waterproof base plate of the waterproof and heat-insulating wall plate of the precast concrete basement.
Furthermore, the thickness of the gravel is 50-100mm higher than that of the drainage pipe.
Further, the top of the oblique end rib is 100-300mm lower than the top of the waterproof and heat-insulating wallboard of the precast concrete basement.
Furthermore, the lower part of the plain concrete cushion layer, the lower part of the groove and one side of the groove far away from the precast concrete waterproof laminated protective plate are all original soil.
The invention has the advantages and beneficial effects that:
the invention has the advantages of good integral synergistic performance of the wall body, high energy-saving performance, simplified construction, obviously improved industrialization efficiency and reduced resource and energy consumption. The waterproof basement can effectively and quickly drain accumulated water outside the basement, has a good waterproof effect, and can realize the generalization and standardization of the waterproof basement built by adopting the precast concrete slab; once the water leakage problem occurs, the water leakage problem can be treated on the upstream surface of the waterproof heat-insulation wallboard of the precast concrete basement, the rear surface of the waterproof added layer protection board of the precast concrete or the space between the upstream surface and the rear surface of the waterproof heat-insulation wallboard of the precast concrete basement, the maintenance difficulty is greatly reduced, and the problem that the traditional leakage stopping construction method is difficult to achieve radical effect is effectively solved.
Drawings
FIG. 1 is a schematic top view of a watertight basement constructed using precast concrete slabs;
FIG. 2 is a schematic view of a watertight basement constructed using precast concrete slabs;
FIG. 3 is a schematic top view of a prefabricated concrete basement waterproof and heat-insulating wall panel;
FIG. 4 is a schematic side view of a precast concrete basement waterproof thermal insulation wall panel;
FIG. 5 is a schematic front view of a precast concrete waterproof laminated protective plate;
FIG. 6 is a schematic sectional view taken along line A-A in FIG. 5;
FIG. 7 is a schematic cross-sectional view of a drain opening;
FIG. 8 is a schematic view of a drain pipe provided with 3 holes for draining water;
fig. 9 is a schematic view of the drainage pipe provided with 2 drainage holes.
In the figure, 1 is a prefabricated concrete basement waterproof heat-insulating wall plate; 2, a precast concrete waterproof laminated protective plate; 3 is original soil; 4 is backfill soil; 5 is gravel; 6 is a drain pipe; 7 is a plain concrete cushion layer; 8 is a basement;
1-1 is an outer concrete slab; 1-2 is an inner concrete slab; 1-3 is a concrete connecting lug; 1-4 is an outer waterproof base plate; 1-5 is an inner reinforced base plate; 1-6 are heat-insulating boards; 1-7 are connecting steel bars; 1-8 are waterproof adhesive tape grooves, 1-9 are concrete heat-insulating plates, and 1-10 are waterproof concrete plates;
2-1 is an outer guard plate; 2-2 is a dense rib plate; 2-3 is a water board; 2-4 are oblique end ribs;
6-1 is the tube wall; 6-2 are water permeable holes.
Detailed Description
In order to further illustrate the present invention, the following detailed description of the present invention is given with reference to the accompanying drawings and examples, which should not be construed as limiting the scope of the present invention.
The invention provides a waterproof basement built by precast concrete slabs, which comprises precast concrete basement waterproof heat-insulation wallboards 1, precast concrete waterproof added-layer protective boards 2, original soil 3, backfill soil 4, gravels 5, drain pipes 6, plain concrete cushion layers 7 and a basement 8, wherein the periphery of the basement 8 is formed by splicing the precast concrete basement waterproof heat-insulation wallboards 1, the plain concrete cushion layers 7 are arranged below the precast concrete basement waterproof heat-insulation wallboards 1, the precast concrete basement waterproof heat-insulation wallboards 1 comprise concrete heat-insulation boards 1-9 and waterproof concrete slabs 1-10, the concrete heat-insulation boards 1-9 and the waterproof concrete slabs 1-10 are mutually vertical, the waterproof concrete slabs 1-10 comprise inner reinforced base boards 1-5 and outer waterproof base boards 1-4, the inner reinforcing base plate 1-5 is positioned at one indoor side of the basement, and the outer waterproof base plate 1-4 is positioned at one outdoor side of the basement; the waterproof heat preservation wallboard of precast concrete basement's external waterproof bed plate 1-4 is equipped with precast concrete waterproof with layer protection shield 2, and the waterproof lower extreme outside that adds layer protection shield 2 of precast concrete sets up the slot, plain concrete bed course 7 below, slot below and slot are former soil 3 keeping away from precast concrete waterproof with layer protection shield 2 one side, and the former soil of digging out in the slot becomes backfill soil, the degree of depth of the bottom of slot apart from plain concrete bed course 7 is 200 and adds a dose of 300 mm. Arranging a drain pipe 6 in the trench, and after paving gravels 5 around the drain pipe 6, filling backfill soil into the trench, wherein the layer 5 of gravels is higher than the drain pipe 650-100mm, and the highest point of the drain pipe 6 is 5-50mm lower than the top surface of the outer waterproof base plate 1-4 of the prefabricated concrete basement waterproof thermal insulation wallboard 1. The precast concrete waterproof laminated protective plate 2 is tightly attached to the precast concrete basement waterproof heat-insulation wallboard 1.
As shown in fig. 3 and 4, the concrete insulation board 1-9 is a lattice type concrete insulation board, the concrete insulation board includes an outer concrete plate 1-1 and an inner concrete plate 1-2, the outer concrete plate 1-1 and the inner concrete plate 1-2 are vertically parallel, the outer concrete plate 1-1 and the inner concrete plate 1-2 are connected through a plurality of concrete connection lugs 1-3, the concrete connection lugs 1-3 are divided into a horizontal concrete connection lug and a vertical connection lug, the horizontal concrete connection lug and the vertical connection lug are arranged in rows, and the concrete connection lug 1-3 is a concrete member with a rectangular cross section; all spaces between the outer concrete slab 1-1 and the inner concrete slab 1-2 except the concrete connecting lugs 1-3 are filled with insulation boards 1-6; connecting steel bars 1-7 are arranged in the outer concrete plate 1-1 and the inner concrete plate 1-2 respectively, and the connecting steel bars 1-7 extend out of the top surfaces of the outer concrete plate 1-1 and the inner concrete plate 1-2 respectively; vertical waterproof adhesive tape grooves 1-8 are formed in the horizontal two ends of the outer concrete plate 1-1 and the inner concrete plate 1-2, and the horizontal cross sections of the waterproof adhesive tape grooves 1-10 are semicircular. The outer waterproof base plates 1-4 and the inner reinforced base plates 1-5 are horizontal waterproof concrete plates, and the width ratio of the inner reinforced base plates 1-5 to the outer waterproof base plates 1-4 is 1.5-3.
As shown in fig. 5 and 6, the precast concrete waterproof layered protection plate 2 comprises an outer protective plate 2-1, a ribbed plate 2-2, a water guiding plate 2-3 and an inclined end rib 2-4, wherein the outer protective plate 2-1 is a vertical concrete plate, and the bottom surface of the outer protective plate 2-1 of the precast concrete waterproof layered protection plate 2 is flush with the top surface of an outer waterproof base plate 1-4; a plurality of vertical dense rib plates 2-2 are arranged between the outer protective plate 2-1 and the precast concrete basement waterproof heat-insulation wallboard 1, and the dense rib plates 2-2 are uniformly distributed; the upper end of the rib plate 2-2 is provided with a water-guiding plate 2-3, one end of the water-guiding plate 2-3 is connected with the outer guard plate 2-1, the other end is connected with an inclined end rib 2-4, and the inclined end rib 2-4 is vertically flush with the rib plate 2-2; the downwash plate 2-3 horizontally inclines downwards by 45-60 degrees, and the end of the downwash plate 2-3 connected with the outer guard plate 2-1 is lower than the end of the downwash plate 2-3 connected with the oblique end rib 2-4. The top of the inclined end ribs 2-4 is 100-300mm lower than the top of the prefabricated concrete basement waterproof heat-insulating wall plate 1.
As shown in fig. 7, 8 and 9, the drainage pipe 6 comprises a pipe wall 6-1 and water permeable holes 6-2, the cross section of the pipe wall 6-1 is circular, 2-3 water permeable holes 6-2 are formed in the upper 90-degree arc of the pipe wall 6-1, and each water permeable hole 6-2 is uniformly distributed along the length direction of the pipe.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. Adopt waterproof basement that precast concrete slab built, including precast concrete basement waterproof insulation wallboard (1), precast concrete waterproof with layer protection shield (2), drain pipe (6), its characterized in that: the periphery of the basement (8) is formed by splicing precast concrete basement waterproof heat-insulation wallboards (1), a plain concrete cushion layer (7) is arranged below the precast concrete basement waterproof heat-insulation wallboards (1), the precast concrete basement waterproof heat-insulation wallboards (1) are tightly attached to the plain concrete cushion layer (7), each precast concrete basement waterproof heat-insulation wallboard (1) comprises a concrete heat-insulation board (1-9) and a waterproof concrete slab (1-10), the concrete heat-insulation boards (1-9) and the waterproof concrete slabs (1-10) are perpendicular to each other, each waterproof concrete slab (1-10) comprises an inner reinforcing base plate (1-5) and an outer waterproof base plate (1-4), each inner reinforcing base plate (1-5) is positioned on one indoor side of the basement (8), and each outer waterproof base plate (1-4) is positioned on one outdoor side of the basement (8); the outer waterproof base plate (1-4) of the prefabricated concrete basement waterproof heat-insulation wall plate (1) is provided with a prefabricated concrete waterproof layer-adding protective plate (2), the outer waterproof base plate (1-4) is tightly attached to the prefabricated concrete waterproof layer-adding protective plate (2), the prefabricated concrete waterproof layer-adding protective plate (2) is provided with a groove on the outer side of the prefabricated concrete basement waterproof heat-insulation wall plate (1) away from the prefabricated concrete basement, a drain pipe (6) is arranged in the groove, gravels (5) are laid around the drain pipe (6), the prefabricated concrete waterproof layer-adding protective plate (2) is tightly attached to the prefabricated concrete basement waterproof heat-insulation wall plate (1), and backfill soil (4) is filled in the groove.
2. The watertight basement built with precast concrete panels according to claim 1, wherein: the concrete insulation board (1-9) is a lattice type concrete insulation board, the concrete insulation board (1-9) comprises an outer concrete plate (1-1) and an inner concrete plate (1-2), the outer concrete plate (1-1) and the inner concrete plate (1-2) are vertically parallel, the outer concrete plate (1-1) and the inner concrete plate (1-2) are connected through a dry concrete connection lug (1-3), the concrete connection lug (1-3) is divided into a horizontal concrete connection lug and a vertical connection lug, the horizontal concrete connection lug and the vertical connection lug are arranged in rows, and the concrete connection lug (1-3) is a concrete member with a rectangular cross section;
all spaces between the outer concrete slab (1-1) and the inner concrete slab (1-2) except the concrete connecting lugs (1-3) are filled with insulation boards (1-6);
connecting steel bars (1-7) are arranged in the outer concrete plate (1-1) and the inner concrete plate (1-2), and the connecting steel bars (1-7) respectively extend out of the top surfaces of the outer concrete plate (1-1) and the inner concrete plate (1-2);
vertical waterproof adhesive tape grooves (1-8) are formed in the horizontal two ends of the outer concrete plate (1-1) and the inner concrete plate (1-2), and the horizontal cross sections of the waterproof adhesive tape grooves (1-8) are semicircular.
3. The watertight basement built with precast concrete panels according to claim 1, wherein: the width ratio of the inner reinforced base plate (1-5) to the outer waterproof base plate (1-4) is 1.5-3.
4. The watertight basement built with precast concrete panels according to claim 1, wherein: the precast concrete waterproof laminated protection plate (2) comprises an outer protection plate (2-1), a rib plate (2-2), a water guiding plate (2-3) and an inclined end rib (2-4), the outer protection plate (2-1) is a vertical concrete plate, and the bottom surface of the outer protection plate (2-1) of the precast concrete waterproof laminated protection plate (2) is flush with the top surface of the outer waterproof base plate (1-4); a plurality of vertical dense rib plates (2-2) are arranged between the outer protective plate (2-1) and the precast concrete basement waterproof heat-insulating wall plate (1), and the dense rib plates (2-2) are uniformly distributed; the dense rib plates (2-2) are provided with the water-following plates (2-3), and the water-following plates (2-3) are inclined concrete plates; one end of the water diversion plate (2-3) is connected with the outer guard plate (2-1), the other end of the water diversion plate is connected with the oblique end rib (2-4), and the oblique end rib (2-4) is vertically flush with the dense rib plate (2-2); the downwash plate (2-3) horizontally inclines downwards by 45-60 degrees, and one end of the downwash plate (2-3) connected with the outer guard plate (2-1) is lower than one end of the downwash plate (2-3) connected with the oblique end rib (2-4).
5. The watertight basement built with precast concrete panels according to claim 1, wherein: the drainage pipe (6) comprises a pipe wall (6-1) and water permeable holes (6-2), the cross section of the pipe wall (6-1) is circular, 2-3 water permeable holes (6-2) are formed in the upper 90-degree arc range of the pipe wall (6-1), and each water permeable hole (6-2) is uniformly distributed along the length direction of the pipe.
6. The watertight basement built with precast concrete panels according to claim 1, wherein: the depth of the bottom of the groove from the plain concrete cushion layer (7) is 200 mm and 300 mm.
7. The watertight basement built with precast concrete panels according to claim 1, wherein: the highest point of the drain pipe (6) is 5-50mm lower than the top surface of the outer waterproof base plate (1-4) of the prefabricated concrete basement waterproof heat-insulating wall plate (1).
8. The watertight basement built with precast concrete panels according to claim 1, wherein: the thickness of the gravel (5) is 50-100mm higher than that of the drain pipe (6).
9. The watertight basement built with precast concrete panels according to claim 4, wherein: the top of the oblique end rib (2-4) is 100-300mm lower than the top of the precast concrete basement waterproof heat-insulation wallboard (1).
10. The watertight basement built with precast concrete panels according to claim 1, wherein: and original soil (3) is arranged below the plain concrete cushion layer (7), below the groove and on one side of the groove far away from the precast concrete waterproof laminated protective plate (2).
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| CN202110477287.7A CN113089822A (en) | 2021-04-30 | 2021-04-30 | Waterproof basement built by adopting precast concrete slabs |
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