CN215857878U

CN215857878U - Drainage structures is prevented in basement bottom plate post-cast strip

Info

Publication number: CN215857878U
Application number: CN202121756697.7U
Authority: CN
Inventors: 杨鹏飞; 裴溢; 宋金城
Original assignee: China Construction Eighth Engineering Divion Southern Construction Co Ltd
Current assignee: China Construction Eighth Engineering Divion Southern Construction Co Ltd
Priority date: 2021-07-29
Filing date: 2021-07-29
Publication date: 2022-02-18
Anticipated expiration: 2031-07-29

Abstract

The utility model discloses a drainage-preventing structure of a post-cast strip of a basement floor, which comprises a basement floor, a backfill layer and a concrete surface layer, wherein a drainage groove is formed in the upper surface of the basement floor along a post-cast strip construction seam, a drainage pipe is arranged on the drainage groove in an inverted buckling mode, the drainage pipe is of a semicircular structure, the diameter of the drainage pipe is not smaller than the width of the drainage groove, a plurality of drainage holes are formed in the drainage pipe, the drainage groove and the drainage pipe are combined to form a drainage channel, the backfill layer is constructed on the basement floor, the backfill layer comprises a pebble backfill layer and a building slag backfill layer, the pebble backfill layer is positioned above the drainage channel, the building slag backfill layer is positioned on two sides of the pebble backfill layer, the concrete surface layer is constructed on the backfill layer, and non-woven fabrics are arranged between the concrete surface layer and the pebble backfill layer. The drainage channel is formed by combining the drainage groove and the drainage pipe, namely the blind ditch is formed, and the seepage water is effectively drained through the blind ditch in a drainage mode, so that the problem of seepage water on the ground is fundamentally solved.

Description

Drainage structures is prevented in basement bottom plate post-cast strip

Technical Field

The utility model relates to the technical field of building construction, in particular to a waterproof and drainage structure of a post-cast strip of a bottom plate of an underground chamber.

Background

During basement construction, the water stop plate is usually adopted at the construction joint position of a basement bottom plate for water prevention, after actual construction, as the water pressure of a basement region is large, most construction sites have leakage problems or water seepage risks, in order to discharge water seepage, a drainage plate is adopted on the ground for drainage, but the drainage plate is high in manufacturing cost and difficult to control actual construction quality, so that the expected effect cannot be achieved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a drainage-preventing structure of a post-cast strip of a basement floor, aiming at the prior technical situation, a drainage channel is formed by combining a drainage groove and a drainage pipe, namely a blind ditch is formed, and seepage water is effectively drained through the blind ditch in a drainage mode, so that the problem of seepage water on the ground is fundamentally solved.

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

the utility model provides a drainage structures is prevented in watering area behind basement bottom plate, includes basement bottom plate, backfill layer and concrete top layer, the upper surface of basement bottom plate is equipped with the water drainage tank along the construction joint of post-cast strip, and the back-off is equipped with the drain pipe on the water drainage tank, and the drain pipe is semicircular structure and its diameter is not less than the width of water drainage tank, is equipped with a plurality of wash ports on the drain pipe, and water drainage tank and drain pipe combination constitute drainage channel, backfill layer construction is on basement bottom plate, and the backfill layer includes pebble backfill layer and builds the sediment backfill layer, and pebble backfill layer is located the drainage channel top, builds sediment backfill layer and is located pebble backfill layer both sides, the concrete top layer construction is on the backfill layer, and is equipped with the non-woven fabrics between concrete top layer and the pebble backfill layer.

Further, the drain pipe is fixed on the basement bottom plate through a plurality of clamps, avoids producing the dislocation between drain pipe and the water drainage tank.

Furthermore, the drain pipe is a PVC pipe which is broken along any diameter.

Furthermore, the drain holes are evenly divided into a plurality of rows on the drain pipe along the circumferential direction, and the drain holes of adjacent rows are alternately arranged.

Furthermore, the drainage channel is inclined to the water collecting well direction of the basement according to 0.5 percent slope finding.

Furthermore, a separation wall is arranged between the pebble backfill layer and the building slag backfill layer to separate different backfill materials.

The utility model has the beneficial effects that:

compared with the prior art, the basement bottom plate post-cast strip water-proof and drainage structure adopts the drainage groove and the drainage pipe to form a drainage channel, namely a blind ditch is formed, the seepage water is effectively discharged through the blind ditch in a drainage mode, and the problem of seepage water on the ground is fundamentally solved. The waterproof and drainage system is more economical compared with other measures, and is a solution for preventing the basement from leaking in most engineering situations on the whole.

Drawings

FIG. 1 is a schematic view of the overall structure of the waterproof and drainage structure of the present invention;

FIG. 2 is a partial schematic view of a drain channel according to the present invention;

fig. 3 is a schematic structural view of the drain pipe of the present invention.

Description of the labeling: 1. the building block comprises a basement bottom plate, 2 parts of a pebble backfill layer, 3 parts of a partition wall body, 4 parts of a building slag backfill layer, 5 parts of non-woven fabrics, 6 parts of a concrete surface layer, 7 parts of a water stop steel plate, 8 parts of a drainage groove, 9 parts of a drainage pipe, 9-1 parts of a drainage hole, 10 parts of a clamp.

Detailed Description

The utility model will be further explained with reference to the drawings.

Referring to fig. 1-3, a drainage preventing structure for a post-cast strip of a basement floor includes a basement floor 1, a backfill layer and a concrete surface layer 6.

The upper surface of basement bottom plate 1 (reinforced concrete bottom plate) is equipped with water drainage tank 8 along post-cast strip construction seam, and the back-off is equipped with drain pipe 9 on water drainage tank 8, and drain pipe 9 is semi-circular structure and its diameter is no less than the width of water drainage tank 8, is equipped with a plurality of wash ports 9-1 on drain pipe 9, and water drainage tank 8 constitutes drainage channel with drain pipe 9 combination.

Wherein, drain pipe 9 is fixed on basement bottom plate 1 through a plurality of clamps 10, avoids producing the dislocation between drain pipe 9 and the water drainage tank 8. Preferably, the drain pipe 9 is a PVC pipe that is broken along any diameter. Preferably, the drainage holes 9-1 are circumferentially divided into a plurality of rows on the drainage pipe 9, and the drainage holes 9-1 of adjacent rows are alternately arranged.

Wherein, the water drainage tank 8 is inclined towards the water collecting well of the basement according to 0.5 percent of slope, and the seepage water is drained into the water collecting well through the water drainage tank 8 and then is drained through a water drainage system.

The backfill layer is constructed on the basement bottom plate 1 and comprises a pebble backfill layer 2 and a building slag backfill layer 4, the pebble backfill layer 2 is positioned above the drainage channel, and the building slag backfill layer 4 is positioned on two sides of the pebble backfill layer 2.

A concrete surface layer 6 (fine stone steel fiber concrete) is constructed on the backfill layer, and a non-woven fabric 5 is arranged between the concrete surface layer 6 and the pebble backfill layer 2. Preferably, a separation wall 3 is arranged between the pebble backfill layer 2 and the building slag backfill layer 4 to separate different backfill materials.

The specific construction scheme is as follows:

after the basement bottom plate 1 is constructed (the water stop steel plate 7 is reserved), a drainage channel 8 is arranged above a construction joint of a post-cast strip, the width of the drainage channel 8 is 80-100mm, the depth of the drainage channel is 30mm, and a slope is found according to 0.5% in the direction of a water collecting well;

the method comprises the following steps of axially breaking a PVC pipe with the diameter of 100mm from any diameter, uniformly forming 3 rows of drain holes 9-1 along the circumferential direction of the PVC pipe, arranging the adjacent drain holes 9-1 in a staggered mode, enabling the diameter of each drain hole 9-1 to be 10mm, enabling the interval between the drain holes to be 100mm, reversely buckling the PVC pipe on a drain tank 8 after the PVC pipe is manufactured, and fixing the PVC pipe by using a clamp 10 every 1m to form a blind ditch;

after the PVC pipes are fixed, covering a layer of 30-50 mm graded pebbles around the pipes manually to prevent the damage to the installed pipes when a large amount of machines are used for backfilling, building a partition wall body 3 with the width of 240mm by adopting masonry bricks at positions 1m away from the left and right parts of a blind ditch, backfilling the blind ditch with the pebbles, wherein the backfilling thickness of the pebbles is 350mm, water seepage in the whole range of a post-cast strip can be effectively dredged, and the rest positions are backfilled with the building slag, the backfilling thickness of the building slag is 400mm, and the concrete condition can be adjusted according to the actual engineering condition;

after backfilling is finished, a layer of non-woven fabric 5 is covered on the pebble backfill layer 2, fine stone steel fiber concrete with the thickness of 200mm is applied, fine stone steel fiber concrete with the thickness of 150mm is applied on the building slag backfill layer 4, and a concrete surface layer 6 is formed.

For the basement without backfilling, a hidden pipe can be buried in a groove at each construction joint, and the effect can be achieved as well.

The drainage channel is formed by combining the drainage groove 8 and the drainage pipe 9, namely a blind ditch is formed, and the seepage water is effectively drained through the blind ditch in a drainage mode, so that the problem of seepage water on the ground is fundamentally solved. The waterproof and drainage system is more economical compared with other measures, and is a solution for preventing the basement from leaking in most engineering situations on the whole.

It should be understood that the above-mentioned embodiments are merely preferred embodiments of the present invention, and not intended to limit the scope of the utility model, therefore, all equivalent changes in the principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a drainage structures is prevented to basement bottom plate post-cast strip which characterized in that: including basement bottom plate, backfill layer and concrete top layer, the upper surface of basement bottom plate is equipped with the water drainage tank along post-cast strip construction joint, and the back-off is equipped with the drain pipe on the water drainage tank, and the drain pipe is semi-circular structure and its diameter is not less than the width of water drainage tank, is equipped with a plurality of wash ports on the drain pipe, and water drainage tank and drain pipe combination constitute drainage channel, backfill layer construction is on basement bottom plate, and backfill layer includes cobblestone backfill layer and builds sediment backfill layer, and cobblestone backfill layer is located the drainage channel top, builds sediment backfill layer and is located cobblestone backfill layer both sides, the concrete top layer is under construction on backfill layer, and is equipped with the non-woven fabrics between concrete top layer and the cobblestone backfill layer.

2. The structure of claim 1, wherein: the drain pipe is fixed on the basement bottom plate through a plurality of clamps, avoids producing the dislocation between drain pipe and the water drainage tank.

3. The structure of claim 1 or 2, wherein: the drain pipe is a PVC pipe which is broken along any diameter.

4. The structure of claim 1 or 2, wherein: the drain holes are evenly divided into a plurality of rows along the circumferential direction on the drain pipe, and the drain holes of adjacent rows are alternately arranged.

5. The structure of claim 1, wherein: the drainage channel is inclined to the water collecting well of the basement according to 0.5 percent of slope finding.

6. The structure of claim 1, wherein: and a separation wall is arranged between the pebble backfill layer and the building slag backfill layer to separate different backfill materials.