CN216920471U - Waterproof structure of post-cast strip of basement bottom plate - Google Patents

Abstract

The utility model discloses a waterproof structure of a post-cast strip of a basement bottom plate, which comprises a concrete cushion, a bottom plate, a plurality of post-cast strips and post-cast strips, wherein the post-cast strips are longitudinally arranged, the post-cast strips are transversely arranged, the bottom plate and the post-cast strips are positioned at the top of the concrete cushion, a lower horizontal layer with the depth of 50mm is arranged at the bottom of each post-cast strip, a water accumulation well is arranged on the concrete cushion at the joint of the longitudinally arranged post-cast strips and the transversely arranged post-cast strips, waterproof layers are coated at the bottom of each post-cast strip and the inner part of each water accumulation well, a non-asphalt high-polymer self-adhesive waterproof coiled material is arranged at an opening at the top of each water accumulation well, the upper end of each non-asphalt high-polymer self-adhesive waterproof coiled material is laid along the bottom of each post-cast strip, and the lower end of each non-asphalt high-polymer waterproof coiled material is laid along the inner side wall of each water accumulation well; the utility model solves the problem that accumulated water in the post-cast strip of the basement floor is difficult to clean, ensures the pouring quality of post-cast concrete, reduces the hidden danger of leakage at the post-cast strip of the basement floor, improves the seepage-proofing capability at the post-cast strip of the basement floor and ensures the waterproof performance of the basement floor.

Description

Waterproof structure of post-cast strip of basement bottom plate

Technical Field

The utility model relates to a waterproof structure of a post-cast strip of a basement floor, belonging to the technical field of waterproof structures of post-cast concrete of buildings.

Background

In the building construction, in order to prevent cracks caused by uneven self shrinkage of cast-in-place concrete due to temperature change or cracks caused by uneven settlement of a foundation, the concrete is usually poured in blocks, a reserved groove between the blocks is not poured temporarily, the concrete is poured into the reserved groove at last, and the poured part is called a post-pouring belt; the basement bottom plate especially post-cast strip position is the high district that rises of seepage, and it is especially important to do the water repellent of post-cast strip department, and in the work progress at present, because of post-cast strip department easily piles up debris, and reinforcing bar ligature back, board bottom debris are difficult to the clean up for post-cast concrete placement of post-cast strip department is not closely knit, easily seepage.

Disclosure of Invention

The utility model aims to solve the problems in the prior art, provides a waterproof structure for a post-cast strip of a basement floor, solves the problem that accumulated water in the post-cast strip of the basement floor is difficult to clean, is convenient to construct, reduces the operation difficulty of worker construction, ensures the pouring quality of post-cast concrete, reduces the leakage hidden danger at the post-cast strip of the basement floor, improves the seepage-proof capability at the post-cast strip of the basement floor, and ensures the waterproof performance of the basement floor.

In order to achieve the above object, the present invention adopts the following technical solutions:

the utility model provides a basement bottom plate post-cast strip waterproof construction, includes concrete bed course, bottom plate and a plurality of longitudinal arrangement's post-cast strip and transverse arrangement's post-cast strip, and bottom plate and post-cast strip are located concrete bed course top, the bottom sets up the bed course that the degree of depth is 50mm in the post-cast strip, sets up the ponding well on the concrete bed course of handing-over department of longitudinal arrangement's post-cast strip and transverse arrangement's post-cast strip, and the waterproof layer is applied paint with a brush to bottom in the post-cast strip and ponding well inside, sets up non-pitch polymer self-adhesion waterproofing membrane at ponding well top opening part, and the upper end of non-pitch polymer self-adhesion waterproofing membrane is laid along the bottom in the post-cast strip, and non-pitch polymer self-adhesion waterproofing membrane's lower extreme is laid along ponding well inside wall.

As a further preferable mode of the utility model, the interval between the water collecting wells is 25-30 m; the water accumulation wells are reasonably distributed.

As a further preferred aspect of the present invention, the diameter of the water collecting well is 500mm and the depth thereof is 500 mm.

As a further preferable selection of the utility model, a chamfer connected with the inner bottom of the post-pouring zone is arranged at the top opening of the water collecting well; set up the chamfer on the primary structure of concrete cushion, increase the structure from water-proof effects, eliminate the secondary and plaster the chamfer intermediate layer, increased waterproof material's laminating degree again, compare traditional secondary mortar negative and positive angle and do the fillet, effectively reduce the manual work, promote the efficiency of construction, reduce construction cost.

As a further preferred aspect of the present invention, the waterproof layer is a polymer cement-based waterproof coating.

In a further preferred embodiment of the present invention, the thickness of the non-asphalt high-molecular self-adhesive waterproof roll is 1.5 mm.

As a further preferable mode of the utility model, the paving width of the non-asphalt high-molecular self-adhesive waterproof coiled material on each side of the construction joint is not less than 500 mm; the waterproof effect of the non-asphalt high-molecular self-adhesive waterproof coiled material at the construction joint is improved; the construction joint is the position where the opening at the top of the water logging well is connected with the bottom of the post-cast strip.

As a further optimization of the utility model, a seam sealant is arranged at the end part of the lower end of the non-asphalt high-molecular self-adhesive waterproof coiled material laid along the inner side wall of the water accumulation well; the lower end part of the non-asphalt high-molecular self-adhesive waterproof coiled material is prevented from tilting.

As a further preferable mode of the present invention, a slope inclined toward the water collecting well is formed on the surface of the bottom sub-layer in the post-cast strip; the accumulated water at the bottom of the post-cast strip can flow to the accumulated water well conveniently.

The utility model has the advantages that:

the problem of the basement bottom plate post-cast strip ponding clearance difficult is solved, the construction of being convenient for reduces the operation degree of difficulty that the workman was under construction, ensures the pouring quality of post-cast concrete, reduces the seepage hidden danger of basement bottom plate post-cast strip department, improves the seepage prevention ability of basement bottom plate post-cast strip department, ensures the waterproof performance of basement bottom plate.

Drawings

FIG. 1 is a schematic structural view of the present invention;

the meaning of the reference symbols in the figures:

1-concrete cushion, 2-bottom plate, 3-post-cast strip, 4-water accumulation well, 5-waterproof layer, 6-non-asphalt high-molecular self-adhesive waterproof coiled material and 7-seam sealant.

Detailed Description

The utility model is described in detail below with reference to the figures and the embodiments.

As shown in fig. 1, the embodiment is a waterproof structure for a post-cast strip of a basement floor, which comprises a concrete cushion layer 1, a floor 2, a plurality of post-cast strips 3 arranged longitudinally and post-cast strips 3 arranged transversely, wherein the floor 2 and the post-cast strips 3 are positioned at the top of the concrete cushion layer 1, a horizontal layer with the depth of 50mm is arranged at the bottom in the post-cast strips 3, a water accumulation well 4 is arranged on the concrete cushion layer 1 at the joint of the post-cast strips 3 arranged longitudinally and the post-cast strips 3 arranged transversely, and a waterproof layer 5 is coated at the bottom in the post-cast strips 3 and inside the water accumulation well 4; and a non-asphalt high-polymer self-adhesive waterproof coiled material 6 is arranged at the opening at the top of the water accumulation well 4, the upper end of the non-asphalt high-polymer self-adhesive waterproof coiled material 6 is laid along the bottom in the post-pouring belt 3, and the lower end of the non-asphalt high-polymer self-adhesive waterproof coiled material 6 is laid along the inner side wall of the water accumulation well 4.

In the embodiment, the interval of the water accumulation wells 4 is 25m, the diameter of the water accumulation well 4 is 500mm, and the depth of the water accumulation well 4 is 500 mm; in practical application, the water accumulation wells 4 can be spaced at intervals of 28m or 30 m; the water accumulation wells 4 are reasonably distributed.

In the embodiment, a chamfer connected with the bottom in the post-cast strip 3 is arranged at the opening at the top of the water collecting well 4; set up the chamfer on concrete cushion 1's primary structure, increase the structure from water-proof effects, eliminate the secondary and plaster the chamfer intermediate layer, increased waterproof material's laminating degree again, compare traditional secondary mortar negative and positive angle and do the fillet, effectively reduce the manual work, promote the efficiency of construction, reduce construction cost.

The waterproof layer 5 in this embodiment is a polymer cement-based waterproof coating; in actual construction, JS (type II) polymer cement-based waterproof paint is specifically adopted.

In this embodiment, the thickness of the non-asphalt high-molecular self-adhesive waterproof roll 6 is 1.5 mm; the paving width of the non-asphalt high-molecular self-adhesive waterproof coiled material 6 on each side of the construction joint is not less than 500 mm; the waterproof effect of the non-asphalt high-molecular self-adhesive waterproof coiled material 6 at the construction joint is improved; the construction joint is the position where the opening at the top of the water collecting well 4 is connected with the bottom in the post-cast strip 3; a seam sealant 7 is arranged at the lower end part of the non-asphalt high-molecular self-adhesive waterproof coiled material 6 laid along the inner side wall of the water accumulation well 4; the tilting of the lower end part of the non-asphalt high-molecular self-adhesive waterproof roll 6 is avoided.

In the embodiment, a slope inclined towards the water collecting well 4 is formed on the surface of the bottom sub-layer in the post-cast strip 3; the accumulated water at the bottom in the post-cast strip 3 can flow to the accumulated water well 4 conveniently.

In the embodiment, the water accumulation well 4 is arranged at the longitudinal and transverse joint of the post-cast strip 3, and the chamfer connected with the bottom in the post-cast strip 3 is arranged on the primary structure at the opening at the top of the water accumulation well 4, so that a secondary plastering chamfer interlayer is eliminated, and the fitting degree of a waterproof material is increased; the bottom sets up the bed that the degree of depth is 50mm in the post-cast strip 3, the bed can make difficult sediment stone of clearance fall into the bed in the post-cast strip 3, bed surface slope is looked for in the bed surface and is used for leading to sump pit 4, form drainage channel, behind the leading-in sump pit 4 of ponding, concentrate drainage clearance to sump pit 4, the construction of being convenient for reduces workman's construction operation degree of difficulty, sump pit 4 is favorable to clearing up post-cast strip 3, the difficult problem of 3 ponding clearance in post-cast strip is solved, guarantee the pouring quality of post-cast concrete, improve the seepage prevention ability of basement bottom plate 2 post-cast strip 3 departments, effectively reduce the repair cost because of the seepage hidden danger produces.

The concrete construction process of the implementation is as follows:

before the post-cast concrete is poured, firstly, the post-cast strip 3 is flushed by high-pressure water, impurities at the post-cast strip 3 are flushed into the water accumulation well 4, and then the water accumulation well 4 is cleaned; then coating a waterproof layer 5 on the inner bottom of the post-pouring belt 3 and the inside of the water accumulation well 4, adding a non-asphalt high-molecular self-adhesive waterproof coiled material 6 with the thickness of 1.5mm at an opening at the top of the water accumulation well 4, laying the upper end of the non-asphalt high-molecular self-adhesive waterproof coiled material 6 along the inner bottom of the post-pouring belt 3, laying the lower end of the non-asphalt high-molecular self-adhesive waterproof coiled material 6 along the inner side wall of the water accumulation well 4, and laying the width of each side of a construction joint to be not less than 500 mm; a seam sealant 7 is arranged at the lower end part of the non-asphalt high-molecular self-adhesive waterproof coiled material 6 laid along the inner side wall of the water accumulation well 4; and finally, pouring concrete to the post-cast strip 3 and the water accumulation well 4.

The utility model solves the problem that accumulated water in the post-cast strip of the basement floor is difficult to clean, is convenient to construct, reduces the operation difficulty of worker construction, ensures the pouring quality of post-cast concrete, reduces the leakage hidden trouble at the post-cast strip of the basement floor, improves the seepage-proofing capability at the post-cast strip of the basement floor and ensures the waterproof performance of the basement floor.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

In the description of the present invention, it should be noted that the terms "mounted," "connected," and "disposed" are to be construed broadly and may be, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed unless otherwise explicitly stated or limited; can be mechanically or electrically connected; the two elements can be directly connected, indirectly connected through an intermediate medium, or communicated with each other inside; the specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The foregoing shows and describes the general principles, principal features and advantages of the utility model; it should be understood by those skilled in the art that the above embodiments do not limit the present invention in any way, and all technical solutions obtained by using equivalent alternatives or equivalent variations fall within the scope of the present invention.

Claims (9)

1. The utility model provides a waterproof structure of basement bottom plate post-cast strip, includes concrete cushion, bottom plate and a plurality of longitudinal arrangement's post-cast strip and transverse arrangement's post-cast strip, and bottom plate and post-cast strip are located concrete cushion top, its characterized in that: the bottom sets up the bed course that the degree of depth is 50mm in the post-cast strip, sets up the ponding well on the concrete bed course of handing-over department of the post-cast strip of longitudinal arrangement and transverse arrangement's post-cast strip, and the waterproof layer is applied paint with the water logging well inside bottom in the post-cast strip, sets up non-pitch polymer self-adhesion waterproofing membrane at ponding well top opening part, and non-pitch polymer self-adhesion waterproofing membrane's upper end is laid along the post-cast strip in-band bottom, and non-pitch polymer self-adhesion waterproofing membrane's lower extreme is laid along ponding well inside wall.

2. The structure of claim 1, wherein the interval between the water collecting wells is 25-30 m.

3. A basement floor post-cast strip waterproofing structure according to claim 1 or 2 wherein the diameter of the water collecting well is 500mm and the depth is 500 mm.

4. The structure of claim 1, wherein the opening at the top of the water trap well is provided with a chamfer connected with the inner bottom of the post-cast strip.

5. A basement floor post-cast strip waterproofing structure according to claim 1 wherein the waterproofing layer is a polymer cement based waterproofing paint.

6. The underground chamber floor post-cast strip waterproof construction of claim 1, wherein the thickness of the non-asphalt polymer self-adhesive waterproof roll is 1.5 mm.

7. A basement floor post-cast strip waterproofing structure according to claim 1 or 6, wherein the non-asphalt polymer self-adhesive waterproofing membrane has a laying width of not less than 500mm on each side of a construction joint.

8. The structure of claim 1, wherein a seam sealant is provided along the lower end of the non-asphalt polymer self-adhesive waterproof roll laid along the inner wall of the water well.

9. The structure of claim 1, wherein a slope inclined toward the well is formed on the surface of the subsurface layer in the post-cast zone.

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