Basement post-cast strip drainage system
By designing a drainage system for retaining walls, gravel layers, hydrophobic layers and water diversion pipes at the basement rear pouring strip, the problems of seepage and wet water accumulation in the rear pouring strip are solved, and the drying and construction quality of the basement are improved.
Patent Information
- Application Number
- CN202421074150.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-16
- Publication Date
- 2025-02-11
- Estimated Expiration
- 2034-05-16
AI Technical Summary
The basement rear-watering belt is prone to seeping water during construction, resulting in quality hazards and moisture accumulation problems.
Design a basement rear pouring belt drainage system, including retaining walls, gravel layers, hydrophobic layers and water diversion pipes. The hydrophobic layer is composed of thin film and non-woven fabric, covered on the back pouring belt, crack-resistant steel bars and floor layers are installed on the gravel layer and the hydrophobic layer, and the water diversion pipe is connected to the water collection well to achieve drainage.
Effectively prevent water seepage of the rear-watering belt, ensure dryness of the basement, and avoid maintenance problems caused by improper construction.
Smart Images
Figure CN222456153U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a drainage system, in particular to a drainage system for a basement post-cast zone. Background Art
[0002] A post-cast strip is a concrete strip left at the corresponding positions of the foundation slab, wall, or beam in accordance with design or construction specifications to prevent harmful cracks that may be caused by uneven shrinkage or settlement of the reinforced concrete structure during construction.
[0003] In general projects, the traditional method for the post-casting joints in the basement is to directly use steel bars to tie and then pour concrete on the base. Since the post-casting joints are closed and cleaned after the main building load is fully constructed, if the post-casting joints are not cleaned properly in the traditional method, it is easy to seep water; in addition, if the concrete pouring does not meet the design requirements, it is also easy to seep water and there is a certain degree of quality risk. Utility Model Content
[0004] The technical problem to be solved by the utility model is to provide a basement post-cast strip drainage system, which can not only ensure that the post-cast strip does not seep water and drain the post-cast strip, but also effectively prevent moisture and water accumulation in the basement due to improper construction.
[0005] The technical solution adopted by the utility model to solve the above-mentioned technical problems is to provide a basement post-cast strip drainage system, including a retaining wall located at the basement post-cast strip; a crushed stone layer is filled between the basement post-cast strip and the retaining wall, a film of a certain thickness and non-woven fabric are laid on the crushed stone layer to form a hydrophobic layer, the hydrophobic layer covers the post-cast strip, anti-cracking steel bars and a floor layer are arranged on the crushed stone layer and the hydrophobic layer, and a water diversion pipe is pre-buried in the floor layer to connect to a water collection well.
[0006] In the above-mentioned basement post-cast zone drainage system, the particle size of the crushed stone layer is 15-35 mm.
[0007] In the above-mentioned basement post-cast strip drainage system, the retaining wall is a concrete brick retaining wall, and the width of the concrete brick retaining wall is greater than the width of the post-cast strip.
[0008] In the above-mentioned basement post-cast strip drainage system, the width of the concrete brick retaining wall is 100 mm larger than the width of the post-cast strip.
[0009] In the above-mentioned basement post-cast strip drainage system, the distance between the edge of the hydrophobic layer and the edge of the post-cast strip is 200 mm.
[0010] In the above-mentioned basement post-cast zone drainage system, the width of the film is consistent with the width of the retaining wall, and the thickness of the film is 0.3-0.5 mm.
[0011] The above-mentioned basement post-cast zone drainage system, wherein the film is a mixed fiber ester microporous filter membrane, a cellulose nitrate filter membrane, a polyvinylidene fluoride filter membrane, a cellulose acetate filter membrane, a regenerated cellulose filter membrane, a polyamide filter membrane, a polytetrafluoroethylene filter membrane or a polyvinyl chloride filter membrane.
[0012] The above-mentioned basement post-cast zone drainage system, wherein the specification of the non-woven fabric is 50-100g / m 2 .
[0013] The above-mentioned basement post-cast zone drainage system, wherein the water diversion pipe is a PCV water diversion pipe.
[0014] Compared with the prior art, the utility model has the following beneficial effects: the basement post-cast strip drainage system provided by the utility model can not only ensure that the post-cast strip does not seep water and drain the post-cast strip, but also effectively prevent the basement from being damp and waterlogged due to improper construction, and avoid maintenance caused by improper construction. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 This is a cross-sectional structural diagram of the drainage system of the post-cast zone of the basement of the utility model;
[0016] Figure 2 It is a schematic diagram of the longitudinal section structure of the drainage system of the post-cast zone of the basement of the utility model.
[0017] The markings in the figure are:
[0018] 1. Retaining wall; 2. Gravel layer; 3. Film; 4. Non-woven fabric; 5. Anti-cracking steel bars; 6. Floor layer; 7. Water pipe; 8. Concrete base plate. DETAILED DESCRIPTION
[0019] The utility model is further described below in conjunction with the accompanying drawings and embodiments.
[0020] Figure 1 This is a cross-sectional structural diagram of the drainage system of the post-cast zone of the basement of the utility model; Figure 2 It is a schematic diagram of the longitudinal section structure of the drainage system of the post-cast zone of the basement of the utility model.
[0021] See also Figure 1 and Figure 2 The utility model provides a drainage system for a basement post-cast strip, comprising a retaining wall 1 located at the basement post-cast strip; a crushed stone layer 2 is filled between the basement post-cast strip and the retaining wall 1, a film 3 of a certain thickness and a non-woven fabric 4 are laid on the crushed stone layer 2 to form a hydrophobic layer, the hydrophobic layer covers the post-cast strip, anti-cracking steel bars 5 and a floor layer 6 are arranged on the crushed stone layer 2 and the hydrophobic layer, and a water diversion pipe 7 is pre-buried in the floor layer 6 to connect to a water collection well.
[0022] The utility model provides a drainage system for the post-cast strip of the basement. A retaining wall 1 is built on site with concrete bricks at the post-cast strip. The width of the retaining wall is 100mm wider than the width of the two sides of the post-cast strip. Then, stones are filled inside to form a crushed stone layer 2. A film 3 with the same width of the retaining wall and a non-woven fabric 4 are laid on the crushed stone layer 2. During the subsequent floor construction, a crack-resistant steel bar 5 is laid. The drainage point is the nearest water collection well. Before pouring the floor concrete, the non-woven fabric 4 and the crushed stone layer 2 must be fully moistened before pouring the concrete.
[0023] The utility model provides a drainage system for a post-cast strip of a basement, wherein the size of the gravel is determined according to the thickness of the basement surface layer, and preferably, the particle size of the gravel layer is 15-35 mm. The retaining wall 1 is a concrete brick retaining wall, which can be cast together with a concrete bottom plate 8; the width of the concrete brick retaining wall is greater than the width of the post-cast strip, and preferably, the width of the concrete brick retaining wall is 100 mm greater than the width of the post-cast strip.
[0024] The utility model provides a drainage system for the post-cast strip of the basement, wherein the coverage of the hydrophobic layer completely covers the post-cast strip, and preferably, the distance between the edge of the hydrophobic layer and the edge of the post-cast strip is 200 mm. The width of the film 3 is consistent with the width of the retaining wall 1, and the thickness of the film 3 is 0.3-0.5 mm. Preferably, the film 3 is a mixed fiber ester microporous filter membrane, a nitrocellulose filter membrane, a polyvinylidene fluoride filter membrane, a cellulose acetate filter membrane, a regenerated cellulose filter membrane, a polyamide filter membrane, a polytetrafluoroethylene filter membrane or a polyvinyl chloride filter membrane.
[0025] The utility model provides a basement post-casting drainage system, wherein the specification of the non-woven fabric is 50-100g / m 2 ; The water diversion pipe is a PCV water diversion pipe.
[0026] Although the present invention has been disclosed as above with preferred embodiments, it is not intended to limit the present invention. Any person skilled in the art may make some modifications and improvements without departing from the spirit and scope of the present invention. Therefore, the scope of protection of the present invention shall be based on the definition of the claims.
Claims
1. A basement post-cast zone drainage system, characterized in that: It includes a retaining wall located at the post-cast joint of the basement; a crushed stone layer is filled between the post-cast joint of the basement and the retaining wall, a film of a certain thickness and non-woven fabric are laid on the crushed stone layer to form a hydrophobic layer, the hydrophobic layer covers the post-cast joint, anti-cracking steel bars and a floor layer are arranged on the crushed stone layer and the hydrophobic layer, and a water diversion pipe is pre-buried in the floor layer to connect to a water collection well.
2. The basement post-cast zone drainage system according to claim 1, characterized in that: The particle size of the crushed stone layer is 15-35 mm.
3. The basement post-cast zone drainage system according to claim 1, characterized in that: The retaining wall is a retaining wall built with concrete bricks, and the width of the retaining wall built with concrete bricks is greater than the width of the post-cast strip.
4. The basement post-cast zone drainage system according to claim 3, characterized in that: The width of the concrete brick retaining wall is 100 mm greater than the width of the post-cast strip.
5. The basement post-cast zone drainage system according to claim 1, characterized in that: The distance between the edge of the hydrophobic layer and the edge of the post-casting strip is 200 mm.
6. The basement post-cast zone drainage system according to claim 1, characterized in that: The width of the film is consistent with the width of the retaining wall, and the thickness of the film is 0.3-0.5 mm.
7. The basement post-cast zone drainage system according to claim 6, characterized in that: The film is a mixed fiber ester microporous filter membrane, a nitrocellulose filter membrane, a polyvinylidene fluoride filter membrane, a cellulose acetate filter membrane, a regenerated cellulose filter membrane, a polyamide filter membrane, a polytetrafluoroethylene filter membrane or a polyvinyl chloride filter membrane.
8. The basement post-cast zone drainage system according to claim 1, characterized in that: The specification of the non-woven fabric is 50-100g / m 2 .
9. The basement post-cast zone drainage system according to claim 1, characterized in that: The water diversion pipe is a PCV water diversion pipe.