Basement roof drainage impervious device

Abstract

The utility model discloses a basement roof drainage impervious device which comprises a basement roof, a planting soil covering layer is covered above the basement roof, the basement roof drainage impervious device further comprises an accumulated water collecting device and a drainage main pipe, the accumulated water collecting device is composed of a water filtering bag, a floor drain and a floor drain sewer pipe, the floor drain is installed at the midspan area of the basement roof, and the drainage main pipe is installed on the basement roof. One end of the floor drain sewer pipe is communicated with the floor drain water outlet, the other end of the floor drain sewer pipe penetrates through the basement top plate to be communicated with the drainage main pipe, and the water filtering bag is laid above the floor drain and completely covers the floor drain. Compared with the prior art, the utility model adopts the idea of'leading ', and the accumulated water is quickly'led' out by arranging a certain number of accumulated water collecting devices, so that the leakage risk is greatly reduced, or the leakage degree is controlled, or the leakage influence time is shortened, and the experience feeling of the basement is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to building technical field especially relates to a basement roof drainage anti -permeation device. BACKGROUND

[0002] In civil basement engineering, almost all the basement roofs have the requirement of planting greening, and generally the soil thickness is required to be not less than 1.2m, so as to plant greening. When raining or building pipeline leaks, ground water will inevitably infiltrate the planting soil layer, because the soil layer is very thick, which leads to the difficulty of water accumulation or the difficulty of timely drainage, and the water accumulation in the planting soil layer of the basement roof, the infiltration from the waterproof damage, the roof crack and the structural defect into the basement, and the influence. Under the measures of many building designs and structural designs, the basement roof leakage phenomenon still emerges in an endless stream, which has become a kind of building quality common fault difficult to eradicate, and affects the basement use experience. CONTENT OF THE UTILITY MODEL

[0003] The utility model aims at providing a basement roof drainage anti -permeation device to assist in solving the above quality common fault.

[0004] In order to realize the above purpose, the utility model adopts the technical scheme of a basement roof drainage anti -permeation device, which comprises a basement roof, a planting soil layer is covered above the basement roof, and further comprises a water accumulation collecting device and a drainage main pipe, the water accumulation collecting device is composed of a water filter bag, a floor drain and a floor drain downpipe, the floor drain is installed at the midspan area of the basement roof, one end of the floor drain downpipe is communicated with the floor drain downspout, and the other end penetrates through the basement roof and is communicated with the drainage main pipe, the water filter bag is laid above the floor drain and completely covers the floor drain.

[0005] As a preferred, the basement roof upper surface is provided with a water collecting cone, the water accumulation collecting device is installed in the water collecting cone, and the diameter of the water collecting cone is greater than 500mm.

[0006] As a preferred, the water filter bag is composed of a geotextile and a gravel layer, the gravel layer is stacked on the floor drain, and the geotextile is covered on the gravel layer.

[0007] As a preferred, the water filter bag extends outward around to form a lap joint surface, the lap joint surface extends to the outside of the water collecting cone and covers the upper surface of the basement roof, and the lap joint surface is 100mm wide.

[0008] As a preferred, the floor drain installation port is arranged on the basement roof, the floor drain is installed on the floor drain installation port, and waterproof filler is embedded and sealed between the floor drain and the floor drain installation port.

[0009] As preferred, a drain pipe installation hole is formed on the basement roof below the floor drain, the floor drain pipe passes through the drain pipe installation hole and communicates with the main drain pipe, and the floor drain pipe and the drain pipe installation hole are filled with fine stone concrete.

[0010] As preferred, the main drain pipe is provided with a Z-shaped bend pipe to prevent backflow of the floor drain.

[0011] As preferred, the basement roof is provided with water collection devices at multiple span areas.

[0012] As preferred, the floor drain can be replaced by a finished rainwater collector.

[0013] Compared with the prior art, the utility model has the advantages that: the utility model adopts the concept of "leading", and the water is quickly led out through the setting of a certain number of water collection devices, so that the risk of leakage is greatly reduced, the degree of leakage is controlled, the time of leakage influence is shortened, and the experience of the basement is improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a whole structure schematic view of the utility model.

[0015] In the figure: 1, basement roof; 2, planting soil layer; 3, main drain pipe; 31, Z-shaped bend pipe; 4, water filter bag; 41, geotextile; 42, gravel layer; 43, lap surface; 5, floor drain; 6, floor drain pipe; 7, water collection cone; 8, waterproof filler; 9, fine stone concrete. DETAILED DESCRIPTION

[0016] At present, most of the building waterproof ideas adopt the "blocking" idea, and few adopt the "leading" concept; the utility model adopts the "leading" concept, and the water is quickly led out through the setting of a certain number of water collection devices, so that the risk of leakage is greatly reduced, the degree of leakage is controlled, the time of leakage influence is shortened, and the experience of the basement is improved. The utility model will be further described below.

[0017] Embodiment: a basement roof drainage anti-permeation device, like Figure 1As shown, including the basement roof 1, the basement roof 1 is covered with planting soil layer 2, also includes water collection device and drainage main pipe 3, the water collection device is composed of water filter bag 4, floor drain 5 and floor drain sewer pipe 6, floor drain sewer pipe 6 adopts PVC pipe, due to the column network of basement roof 1 is often larger, load is heavier, under the action of dead weight, the roof will be deformed downward, form a relatively low area, that is, the midspan area, the floor drain 5 is installed at the midspan area of the basement roof 1, in order to the collection of accumulated water, one end of the floor drain sewer pipe 6 is communicated with the floor drain 5, the other end is communicated with the drainage main pipe 3 through the basement roof 1, the water filter bag 4 is laid on the floor drain 5, and the floor drain 5 is completely covered. The utility model designs the water collection device at the midspan area of the basement roof 1, and the accumulated water accumulated on the basement roof 1 is discharged through the floor drain 5 and the floor drain sewer pipe 6, and the water filter bag 4 is designed above the floor drain 5, to prevent soil from flowing out with accumulated water, the accumulated water on the basement roof 1 is guided to the drainage main pipe 3 of the basement to realize its discharge, the problem of rapid discharge of accumulated water on the basement roof 1 is solved, and the leakage risk of the basement roof 1 is effectively reduced.

[0018] In order to improve the water collecting effect on the basement roof 1, a water collecting cone 7 is formed on the upper surface of the basement roof 1, the water collection device is installed in the water collecting cone 7, and the accumulated water is collected into the floor drain 5 through the water collecting cone 7, and the diameter of the water collecting cone 7 is greater than 500 mm.

[0019] In order to prevent soil from flowing out from the floor drain 5 with accumulated water, a water filter bag 4 is designed, the water filter bag 4 is composed of geotextile 41 and gravel layer 42, the gravel layer 42 is stacked on the floor drain 5, and the geotextile 41 is covered on the gravel layer 42, the geotextile 41 and the gravel layer 42 are used as filter layers to prevent soil from entering the floor drain 5 through the water filter bag 4.

[0020] The water filter bag 4 extends outward to form a lap joint surface 43, the lap joint surface 43 extends to the outside of the water collecting cone 7 and covers the upper surface of the basement roof 1, and the lap joint surface 43 is 100 mm wide, through the design of the lap joint surface 43 around the water filter bag 4, the water filter bag 4 can be tightly pressed on the upper surface of the basement roof 1 after covering the soil, to prevent soil from entering the floor drain 5 from around the water filter bag 4.

[0021] The floor drain 5, PVC pipe, gravel and geotextile 41 used in the utility model are common building components or building materials, which are widely supplied and low in price, the drainage anti-seepage device can be used in new construction projects and also can be used in reconstruction projects, low in cost, simple in construction, and suitable for wide popularization and application.

[0022] In order to realize the installation of the floor drain 5, a floor drain installation opening is formed on the basement roof 1, the floor drain 5 is installed on the floor drain installation opening, after the installation of the floor drain 5, the accumulated water can be conveniently collected into the floor drain 5, the waterproof filler 8 is used for tightly filling between the floor drain 5 and the floor drain installation opening, the waterproof filler 8 can be polyurethane, the polyurethane has excellent waterproof sealing performance, can tightly fill around the floor drain 5, and prevents the accumulated water from leaking from around the floor drain 5.

[0023] In order to facilitate the installation of the floor drain downpipe 6, a downpipe installation hole is formed on the basement roof 1 below the floor drain 5, the floor drain downpipe 6 passes through the downpipe installation hole and is communicated with the drainage main pipe 3, the fine stone concrete 6 is used for tightly filling between the floor drain downpipe 6 and the downpipe installation hole, the downpipe installation hole is tightly filled by the fine stone concrete 6, the installation and fixation of the floor drain downpipe 6 are realized, and leakage is prevented.

[0024] The drainage main pipe 3 is determined according to actual conditions: according to the basement building specification requirements, the basement ground is provided with a "water collecting pit" and a water pumping device, at this time, the nearby floor drain downpipe 6 can be directly connected to the "water collecting pit" drainage main pipe; in order to prevent the water flowing down the floor drain downpipe 6 from flowing back to the water inlet direction of the drainage main pipe 3, affecting the normal drainage of the drainage main pipe 3, a Z-shaped bend pipe 31 is arranged on the drainage main pipe 3 to prevent the backflow of the water flowing down the floor drain 5.

[0025] When there is no "water collecting pit" near the floor drain 5, a drainage main pipe 3 needs to be separately arranged, the floor drain downpipes 6 are communicated through the drainage main pipe 3, and then are discharged into an outdoor rainwater system, the drainage main pipe 3 is arranged to be close to the lower opening of the basement roof beam and is provided with a drainage slope, in this case, the drainage main pipe 3 does not need the Z-shaped bend pipe 31.

[0026] The basement roof 1 is provided with a plurality of water collecting devices at the midspan regions, the specific installation positions are determined according to actual conditions, and one water collecting device is arranged every 200 square meters; the water collecting devices are preferentially arranged in the spans provided with the "water collecting pit" so as to use the drainage main pipe 3 thereof, and the rest are uniformly distributed.

[0027] The water collecting device can be directly pre-installed at the midspan regions in the design of the newly-built basement roof 1; or the basement roof 1 that has been built can be technically reformed, the soil above the water seepage points of the basement roof 1 is only needed to be dug out, and then the water collecting device is installed at the water seepage points, so that the reform and installation are very convenient.

[0028] As an alternative, the floor drain 5 can be replaced by a finished rainwater bucket, the finished rainwater bucket also has good accumulated water collecting effect, and the cost is also low, and is also a common building component.

[0029] The basement roof drainage anti-permeation device provided by the utility model is described in detail, the principle and implementation mode of the utility model are described by applying specific examples, the description of the above examples is only used for helping to understand the method and core idea of the utility model; meanwhile, for the general technical personnel in the field, the specific implementation mode and application range will be changed according to the idea of the utility model, the change and improvement of the utility model will be possible, and will not exceed the conception and range defined in the additional claims, and the content of the specification should not be understood as the limitation of the utility model.

Claims

1. A drainage and seepage prevention device for basement roof slabs, comprising a basement roof slab, wherein a planting soil layer covers the top of the basement roof slab, characterized in that: It also includes a water collection device and a main drainage pipe. The water collection device consists of a filter bag, a floor drain, and a floor drain pipe. The floor drain is installed in the middle area of ​​the basement ceiling. One end of the floor drain pipe is connected to the floor drain outlet, and the other end passes through the basement ceiling and is connected to the main drainage pipe. The filter bag is laid above the floor drain and completely covers it.

2. The basement roof drainage and seepage prevention device according to claim 1, characterized in that: A water collection cone is provided on the upper surface of the basement roof slab, and the water collection device is installed inside the water collection cone.

3. The basement roof drainage and seepage prevention device according to claim 2, characterized in that: The filter bag consists of geotextile and a gravel layer, with the gravel layer piled on top of the drain and the geotextile covering the gravel layer.

4. A basement roof drainage and seepage prevention device according to claim 3, characterized in that: The filter bag extends outwards to form an overlapping surface, which extends to the outside of the water collection cone and covers the upper surface of the basement ceiling.

5. A basement roof drainage and seepage prevention device according to claim 1, characterized in that: A floor drain installation opening is provided on the basement ceiling slab, and the floor drain is installed on the floor drain installation opening. The gap between the floor drain and the floor drain installation opening is sealed tightly with waterproof filler.

6. A basement roof drainage and seepage prevention device according to claim 1, characterized in that: A drain pipe installation hole is provided on the basement ceiling below the floor drain. The floor drain drain pipe passes through the drain pipe installation hole and connects to the main drainage pipe. The space between the floor drain drain pipe and the drain pipe installation hole is filled and compacted in stages with fine stone concrete.

7. A basement roof drainage and seepage prevention device according to claim 1, characterized in that: The main drainage pipe is equipped with a Z-shaped bend to prevent backflow of water from the floor drain.

8. A basement roof drainage and seepage prevention device according to claim 1, characterized in that: Water collection devices are installed in multiple mid-span areas of the basement roof slab.

9. A basement roof drainage and seepage prevention device according to claim 1, characterized in that: The drain can be replaced with a ready-made rainwater hopper.

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