CN219080427U - Waterproof drainage system for basement bottom plate - Google Patents

Abstract

The utility model relates to the technical field of waterproof drainage of constructional engineering, in particular to a waterproof drainage system for a basement bottom plate, which comprises a bottom plate concrete layer, a waterproof coiled material layer, a waterproof mortar layer, a drainage plate layer, a concrete cushion layer and an earthwork base layer from top to bottom. The drainage plate layer comprises a water stop plate, a plurality of supporting blocks distributed below the water stop plate, and a filter layer positioned between the supporting blocks and the concrete cushion layer, wherein a communicated drainage channel is formed between adjacent supporting blocks. The concrete cushion layer is internally provided with crisscrossed concave drainage ditches, and openings of the crisscrossed concave drainage ditches upwards penetrate through each layer and extend to the upper surface of the bottom plate concrete layer. The soil is equipped with the sewage lift well in the basic layer, and its opening upwards runs through each layer and extends to the upper surface of bottom plate concrete layer, and the side is equipped with the water inlet of intercommunication concave escape canal and the delivery port of intercommunication municipal sewage pipe network. The utility model has excellent waterproof and drainage effects, and can effectively solve the technical problems that the traditional basement bottom plate has poor waterproof effect and cannot drain and collect underground water.

Description

Waterproof drainage system for basement bottom plate

Technical Field

The utility model relates to the technical field of waterproof drainage of constructional engineering, in particular to a waterproof drainage system for a basement bottom plate.

Background

With the acceleration of the urban process and the shortage of urban land, the basement is used as a building space with the indoor ground lower than the outdoor terrace, so that the ground space can be saved for storing articles, and the basement is more and more valued. However, because the basement is located in a special position, the elevation of the basement space is lower, the basement bottom plate is easy to penetrate by the ground water, and the basement is difficult to drain, so that the problems of being affected with damp, accumulated water, cracking of the bottom plate and the like are easy to occur. Therefore, when the basement floor is constructed, the waterproof requirement on the basement floor is higher and higher, the normal use of the basement is seriously affected by the poor waterproof operation of the basement, and the repair cost of the basement is higher.

Waterproof coiled materials or flexible waterproof layers are paved below the bottom plate, waterproof concrete is combined to achieve the waterproof and impervious effects, but the traditional basement bottom plate waterproof structure is only waterproof, the rewet groundwater cannot be drained in time and collected for centralized recovery treatment, the flexible waterproof materials in the structure are poor in durability and easy to damage, waterproof effect is poor for a long time, if the flexible waterproof layers are damaged, water can be leaked, and water flows permeate out through holes, cracks and the like of the bottom plate to cause water seepage of the bottom plate.

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model aims to provide a waterproof drainage system for a basement bottom plate, which has good waterproof and drainage effects, can timely drain the groundwater which is permeated back below the basement bottom plate, can prevent the groundwater from penetrating through the bottom plate to leak, and can effectively solve the technical problems that the traditional basement bottom plate has poor waterproof effect and cannot drain and collect the groundwater.

In order to achieve the technical purpose, the utility model adopts the following technical scheme:

the utility model provides a waterproof drainage system for a basement bottom plate, which comprises a bottom plate concrete layer, a waterproof coiled material layer, a waterproof mortar layer, a drainage plate layer, a concrete cushion layer and an earthwork base layer which are sequentially arranged from top to bottom;

the drainage plate layer comprises a water-proof plate positioned below the waterproof mortar layer, a plurality of supporting blocks uniformly distributed below the water-proof plate, and a filter layer positioned between the supporting blocks and the concrete cushion layer, wherein a drainage channel communicated with each other is formed between adjacent supporting blocks on the water-proof plate;

the concrete cushion layer is internally provided with concave drainage ditches which are crisscrossed vertically and horizontally and have upward openings, and the concave drainage ditches penetrate through each layer upwards and extend to the upper surface of the bottom plate concrete layer;

the soil water treatment device is characterized in that a sewage lifting well with an upward opening is arranged in the earthwork base layer, the sewage lifting well upwards penetrates through each layer and extends to the upper surface of the bottom plate concrete layer, a water inlet and a water outlet are formed in the side face of the sewage lifting well, the water inlet is communicated with a concave drainage ditch, and the water outlet is communicated with a municipal sewage pipe network or an external sewage treatment system.

By adopting the technical scheme, the basement bottom plate is provided with the bottom plate concrete layer, the waterproof coiled material layer, the waterproof mortar layer, the drainage plate layer, the concrete cushion layer and the earthwork base layer from top to bottom, the upward-penetrating groundwater is isolated and collected by the drainage plate layer, the groundwater is converged into the concave drainage ditch through the drainage channel between the supporting blocks, and the sewage in the concave drainage ditch is converged and discharged into the sewage lifting well. The sewage lifting well can collect groundwater below the basement bottom plate, can also effectively collect accumulated water on the surface of the basement, and can drain the accumulated water to a municipal sewage pipe network or an external sewage treatment system for further treatment and purification so as to be recycled. Soil particles in the groundwater which is penetrated upwards can be filtered by arranging the filter layer, so that the pipeline is prevented from being blocked by depositing in the concave drainage ditch, and the water flow speed is reduced. Through setting up waterproofing membrane layer and waterproof mortar layer can further improve the water-proof effects, separates water and steam in the drainage sheet layer, avoids moisture to upwards permeate to the bottom plate.

Further, a layer of reinforcing mesh is arranged above the waterproof plate in a clinging manner, and the reinforcing mesh is distributed in the waterproof mortar layer, so that the bearing strength of the drainage plate layer and the connection strength between the drainage plate layer and the waterproof mortar layer can be improved, and the pressing and fixing effects can be achieved on the positions between the adjacent waterproof plates.

Further, supporting shoe and water proof sheet integrated into one piece, the supporting shoe is thick round platform column structure down, and the inside cavity of supporting shoe and open-ended, bottom are sealed, and waterproof mortar layer watering distributes in the inner chamber of supporting shoe, both can improve the joint strength between drainage sheet layer and the waterproof mortar layer, also can improve the compressive strength of drainage sheet layer to guarantee drainage channel's rivers patency.

Further, a supporting net is arranged between the supporting block and the filter layer, a plurality of through holes are densely distributed on the supporting net, and the area of each through hole is smaller than that of the bottom end face of the supporting block. The supporting net is made of metal, and is used for enhancing the bearing capacity of the filter layer, reducing the damage of the upper structure to the filter layer and prolonging the service life of the filter layer.

Further, the opening of the concave drainage ditch is covered with a sealing cover plate, the sealing cover plate is flush with the upper surface of the bottom plate concrete layer, and the sealing cover plate is arranged to prevent sewage in the concave drainage ditch from flowing back to the surface of the bottom plate.

Further, a lifting pump is arranged at the bottom of the sewage lifting well, and sewage in the sewage lifting well is lifted to a water outlet to be discharged through a connecting lifting pipe.

Further, a filtering device is arranged in the sewage lifting well, and covers the water inlet of the sewage lifting well and is used for filtering and collecting impurities in the groundwater which flows into the sewage lifting well from the concave drainage ditch.

Further, the upper opening of the sewage lifting well is covered with a filtering cover plate with a plurality of water filtering holes, and the filtering cover plate is flush with the upper surface of the bottom plate concrete layer. If water is accumulated on the surface of the bottom plate of the basement, the water can flow into the sewage lifting well after being filtered and mixed by the filtering cover plate, so that the water is prevented from being accumulated on the surface of the bottom plate.

Further, the upper opening part of the sewage lifting well is hung and covered with a filtering hanging basket, the filtering hanging basket is positioned below the filtering cover plate, and a plurality of water permeable holes are formed in the filtering hanging basket. The setting filters the basket and can further filter the sewage that flows into in the sewage lift well to the bottom plate surface and detach small granule debris, avoids depositing in sewage lift well bottom, avoids blockking up elevator pump and riser.

Further, a liquid level meter is arranged in the sewage lifting well and used for detecting the internal water level of the sewage lifting well in real time.

The utility model has the following beneficial effects:

according to the utility model, the drain plate layer with the raised supporting blocks is arranged below the concrete layer of the bottom plate, so that the effect of blocking and preventing moisture is achieved, the hollow drainage effect is achieved, the groundwater permeated below the bottom plate of the basement can be naturally converged into the concave drainage ditch communicated with the drainage channel through the drain plate layer, and then is guided into the sewage lifting well to be discharged through the concave drainage ditch, thereby ensuring the drying of the bottom plate of the basement, and achieving the waterproof drainage effect. Through setting up waterproof mortar layer and waterproofing membrane layer in drainage sheet layer top, further improve the water-proof effects, separate the water and the steam that flow together in the drainage sheet layer, avoid the moisture upwards to permeate to the bottom plate. The waterproof drainage system for the basement bottom plate can effectively solve the problem of water accumulation in the basement caused by upward flushing of groundwater, can drain and drain the groundwater which is permeated back below the basement bottom plate in time, can prevent the groundwater from penetrating through the bottom plate to leak, and can greatly prolong the service life of a terrace.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic view of the internal longitudinal structure of the waterproof drainage system of the present utility model;

FIG. 2 is a schematic view of the internal structure of a sewage lifting well in a waterproof drainage system;

FIG. 3 is an enlarged view of a portion of FIG. 2 at "A";

FIG. 4 is a schematic illustration of the location of a drainage sheet, a concave drainage ditch and a sewage lifting well in accordance with the present utility model;

fig. 5 is a schematic view of the structure of the drainage sheet layer in the present utility model.

The reference numerals in the figures illustrate: 1. a floor concrete layer; 2. a waterproof coiled material layer; 3. a waterproof mortar layer; 4. a drainage board layer; 41. a water-stop plate; 42. a support block; 43. a filter layer; 44. a support net; 5. a concrete cushion layer; 6. an earthwork base layer; 7. a concave drainage ditch; 71. sealing the cover plate; 8. a sewage lifting well; 81. a lift pump; 82. a riser; 83. a filter cover plate; 84. a filter hanging basket; 85. a liquid level gauge; 86. a first clamping block; 87. a second clamping block; 9. a reinforcing mesh; 10. and a filtering device.

Detailed Description

Further advantages and effects of the present utility model will become apparent to those skilled in the art from the disclosure of the present specification, by describing the embodiments of the present utility model with specific examples. While the description of the utility model will be described in connection with the preferred embodiments, it is not intended to limit the inventive features to the implementation.

In the description of the present embodiment, it should be noted that, directions or positional relationships indicated by terms "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "front", "rear", etc., are directions or positional relationships based on those shown in the drawings, or directions or positional relationships in which the inventive product is conventionally put in use, are merely for convenience in describing the present utility model and for simplifying the description, and are not indicative or implying that the apparatus or element referred to has a specific direction, is configured and operated in a specific direction, and therefore, should not be construed as limiting the present utility model. The terms "first," "second," and the like are used merely to distinguish between descriptions and are not to be construed as indicating or implying relative importance.

In the description of the present embodiment, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present embodiment can be understood in a specific case by those of ordinary skill in the art.

For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings.

As shown in fig. 1, in one embodiment of the present utility model, there is provided a waterproof drainage system for a basement floor, comprising a floor concrete layer 1, a waterproof roll layer 2, a waterproof mortar layer 3, a drainage ply layer 4, a concrete cushion layer 5 and an earth foundation layer 6, which are sequentially disposed from top to bottom. Referring to fig. 1 and 4, the concrete cushion 5 is provided therein with vertically and horizontally staggered concave gutters 7 with upwardly opening, and the concave gutters 7 penetrate each layer upwardly and extend to the upper surface of the floor concrete layer 1. The longitudinal section of the lower part of the concave drainage ditch 7 is trapezoid or U-shaped, and the width of the widest part of the concave drainage ditch 7 is 15-30 cm. The diapire of indent escape canal 7 is higher than the diapire of sewage lift well 8 water inlet, and the slope that sets up the downward sloping in the hookup location department of indent escape canal 7 and sewage lift well 8 water inlet is for being less than 45 degrees excessive slopes, in the quick and efficient inflow sewage lift well 8 of water in the indent escape canal 7 of being convenient for, avoids accumulating sewage in water inlet department.

Referring to fig. 5, the drainage board layer 4 includes a waterproof board 41 positioned under the waterproof mortar layer 3, a plurality of support blocks 42 uniformly distributed under the waterproof board 41, and a filter layer 43 positioned between the support blocks 42 and the concrete cushion layer 5. Drainage channels which are communicated with the side surfaces of the concave drainage ditches 7 are formed between the adjacent supporting blocks 42 on the water stop plate 41, and the groundwater flowing up under the basement bottom plate can be collected into the drainage channels and then naturally collected into the concave drainage ditches 7 through the drainage channels.

Referring to fig. 2 and 4, a sewage lifting well 8 with an upward opening is arranged in the earthwork base 6, the sewage lifting well 8 upwards penetrates through each layer and extends to the upper surface of the bottom plate concrete layer 1, a water inlet and a water outlet are formed in the side face of the sewage lifting well 8, the water inlet is communicated with a concave drainage ditch 7, the water outlet is communicated with a municipal sewage pipe network or an external sewage treatment system, sewage in the concave drainage ditch 7 is converged and discharged into the sewage lifting well 8, and the sewage is discharged to the municipal sewage pipe network or the external sewage treatment system for further treatment and purification so as to be recycled.

Referring to fig. 1 and 5, the support block 42 and the water-stop plate 41 are integrally formed, the support block 42 has a truncated cone-shaped structure with a thick upper part and a thin lower part, and the support block 42 is hollow and has an open top and a sealed bottom. The drain board layer 4 is formed by mutually overlapping and splicing a plurality of square unit drain boards, and 1-3 supporting blocks 42 are mutually overlapped and overlapped between the water stop plates 41 of the adjacent unit drain boards so as to improve the stability of connection. The waterproof mortar layer 3 is irrigated and dispersed in the concave inner cavity of the supporting block 42, so that the compressive strength of the drainage board layer 4 is improved, the connection strength between the drainage board layer 4 and the waterproof mortar layer 3 is improved, and the waterproof effect can be improved.

Referring to fig. 1, the opening of the concave drainage ditch 7 is covered with a sealing cover plate 71, the upper surface of the sealing cover plate 71 is flush with the upper surface of the floor concrete layer 1, and a person can walk over the sealing cover plate. The sealing cover plate 71 seals the upper opening of the concave drain 7, and can prevent sewage in the concave drain 7 from flowing back up to the floor surface.

Referring to fig. 1 and 4, in another embodiment of the present utility model, a layer of criss-cross reinforcement mesh 9 may be further disposed above the water stop 41 in a pressing manner, so as to press and fix the spliced water stop 41. The waterproof mortar layer 3 is poured above the waterproof board 41 and in the inner concave surface of the supporting block 42, and the reinforcing steel bar net 9 is distributed in the waterproof mortar layer 3, so that the bearing strength of the drainage board layer 4 and the connection strength with the waterproof mortar layer 3 can be improved.

Referring to fig. 5, in another embodiment of the present utility model, a supporting net 44 made of metal is further disposed between the supporting block 42 and the filtering layer 43, and a plurality of through holes are densely distributed on the supporting net 44, and the area of the through holes is smaller than that of the bottom end surface of the supporting block 42. The support net 44 is arranged to enhance the bearing capacity of the filter layer 43, reduce the damage of the upper structure to the filter layer 43 and prolong the service life of the filter layer 44.

Referring to fig. 2, in another embodiment of the present utility model, a lift pump 81 is provided at the bottom of the sewage lift well 8, the lift pump 81 is connected to a lift pipe 82, and sewage in the sewage lift well 8 is lifted to a water outlet through the lift pipe 82, so as to be discharged into a municipal sewage pipe network or a sewage treatment system on the ground for treatment. Referring to fig. 3, a first clamping block 86 is arranged on the inner wall of the upper opening of the sewage lifting well 8, a filtering cover plate 83 with a plurality of water filtering holes is arranged on the first clamping block 86, the filtering cover plate 83 covers the whole upper opening of the sewage lifting well 8, and the filtering cover plate 83 is flush with the upper surface of the bottom plate concrete layer 1. If water is accumulated on the surface of the bottom plate of the basement, the water can flow into the sewage lifting well 8 after being filtered and mixed by the filter cover plate 83, so that the water is prevented from being accumulated on the surface of the bottom plate.

Referring to fig. 2, in another embodiment of the present utility model, a liquid level meter 85 is further disposed inside the sewage lifting well 8, and the liquid level meter 85 is electrically or wirelessly connected with an external control device, so as to detect the internal water level of the sewage lifting well 8 in real time, and can transmit water level data to the control device in real time, and the control device can control the working state of the lifting pump 81, and when the water level is high, can timely control the lifting pump 81 to lift sewage to the water outlet for discharging.

Referring to fig. 2, in another embodiment of the present utility model, the sewage lifting well 8 is further covered at the water inlet with a filtering device 10 for filtering and collecting impurities collected in the groundwater flowing into the sewage lifting well 8 from the concave drainage channel 7. The filter device 10 is detachably inserted into the water inlet position of the sewage lifting well 8, and the filter device 10 can be extracted from the upper well mouth of the sewage lifting well 8 to be cleaned and replaced.

Referring to fig. 2 and 3, in another embodiment of the present utility model, a second clamping block 87 is further provided on the inner wall of the upper opening of the sewage lifting well 8, and the second clamping block 87 is located below the first clamping block 86. The second clamping block 87 is hung with a filter hanging basket 84, the filter hanging basket 84 is positioned below the filter cover plate 83 and covers the upper opening of the sewage lifting well 8, and a plurality of water permeable holes are formed in the filter hanging basket 84. The apertures of the water permeable holes on the filter hanging basket 84 are smaller than the apertures of the water filtering holes on the filter cover plate 83. The filter hanging basket 84 can further filter and remove small particle impurities from sewage flowing into the sewage lifting well 8 on the surface of the bottom plate, so that the sewage is prevented from being deposited at the bottom of the sewage lifting well 8, and the lifting pump 81 and the lifting pipe 82 are prevented from being blocked.

The waterproof plate 41 and the supporting block 42 are integrally formed, and can be made of PE, HDPE, ABS or PC plates. The filter layer 43 is made of water permeable geotextile or non-woven fabric, and the filter layer 43 is connected with the bottom end surface of the supporting block 42 through hot melting or gluing. The waterproof coiled material layer 2 adopts a polymer self-adhesive waterproof coiled material.

While the utility model has been shown and described with reference to certain preferred embodiments thereof, it will be understood by those skilled in the art that the foregoing is a further detailed description of the utility model with reference to specific embodiments, and it is not intended to limit the practice of the utility model to those descriptions. Therefore, all technical solutions which are available to the person skilled in the art based on the prior art through logic analysis, reasoning or limited experiments according to the inventive concept are within the scope of protection defined by the claims.

Claims (10)

1. The waterproof drainage system for the basement bottom plate is characterized by comprising a bottom plate concrete layer (1), a waterproof coiled material layer (2), a waterproof mortar layer (3), a drainage plate layer (4), a concrete cushion layer (5) and an earthwork base layer (6) which are sequentially arranged from top to bottom;

the drainage plate layer (4) comprises a water-proof plate (41) positioned below the waterproof mortar layer (3), a plurality of supporting blocks (42) uniformly distributed below the water-proof plate (41), and a filter layer (43) positioned between the supporting blocks (42) and the concrete cushion layer (5), wherein a drainage channel communicated with each other is formed between adjacent supporting blocks (42) on the water-proof plate (41);

the concrete cushion layer (5) is internally provided with concave drainage ditches (7) which are crisscrossed vertically and horizontally and have upward openings, and the concave drainage ditches (7) penetrate through each layer upwards and extend to the upper surface of the bottom plate concrete layer (1);

be equipped with opening sewage lifting well (8) up in earthwork basic unit (6), sewage lifting well (8) upwards runs through each layer and extends to the upper surface of bottom plate concrete layer (1), and water inlet and delivery port have been seted up to the side of sewage lifting well (8), and its water inlet intercommunication indent escape canal (7), delivery port intercommunication municipal sewage pipe network or outside sewage treatment system.

2. The waterproof drainage system for the basement bottom plate according to claim 1, wherein a layer of reinforcing mesh (9) is arranged above the waterproof plate (41) in a cling manner, and the reinforcing mesh (9) is distributed in the waterproof mortar layer (3).

3. The waterproof drainage system for the basement bottom plate according to claim 1, wherein the supporting blocks (42) and the waterproof plates (41) are integrally formed, the supporting blocks (42) are of a truncated cone-shaped structure with thick upper parts and thin lower parts, the inside of the supporting blocks (42) is hollow, the top ends of the supporting blocks are open, the bottom ends of the supporting blocks are sealed, and the waterproof mortar layer (3) is irrigated and dispersed in the inner cavity of the supporting blocks (42).

4. The waterproof drainage system for the basement bottom plate according to claim 1, wherein a supporting net (44) is arranged between the supporting block (42) and the filter layer (43), a plurality of through holes are densely distributed on the supporting net (44), and the area of the through holes is smaller than that of the bottom end face of the supporting block (42).

5. A water-resistant drainage system for basement floors according to claim 1, characterized in that the openings of the pit gutters (7) are covered with sealing cover plates (71), the sealing cover plates (71) being flush with the upper surface of the floor concrete layer (1).

6. A water-resistant drainage system for basement floors according to claim 1, characterized in that the bottom of the sewage lifting well (8) is provided with a lifting pump (81) for lifting the sewage in the sewage lifting well (8) to a water outlet for discharge by connecting a lifting pipe (82).

7. The waterproof drainage system for the basement bottom plate according to claim 1, wherein a filter device (10) is arranged in the sewage lifting well (8), the filter device (10) covers a water inlet of the sewage lifting well (8), the filter device (10) is detachably inserted into the water inlet position of the sewage lifting well (8), and the filter device (10) can be extracted from an upper wellhead of the sewage lifting well (8) for cleaning and replacing.

8. A water-repellent drainage system for basement floors according to claim 1, characterized in that the upper opening of the sewage lifting well (8) is covered with a filter cover plate (83) with a number of drainage holes, the filter cover plate (83) being flush with the upper surface of the floor concrete layer (1).

9. The waterproof drainage system for the basement bottom plate according to claim 8, wherein a filter hanging basket (84) is hung and covered at the upper opening of the sewage lifting well (8), the filter hanging basket (84) is located below the filter cover plate (83), and a plurality of water permeable holes are formed in the filter hanging basket (84).

10. A water-resistant drainage system for basement floors according to claim 1, characterized in that the interior of the sewage lifting well (8) is provided with a level gauge (85) for detecting the internal water level of the sewage lifting well (8) in real time.

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