CN211340878U

CN211340878U - Novel basement waterproof construction

Info

Publication number: CN211340878U
Application number: CN201922064305.XU
Authority: CN
Inventors: 张具林; 全有维
Original assignee: Third Construction Co Ltd of China Construction Eighth Engineering Divison Co Ltd
Current assignee: Third Construction Co Ltd of China Construction Eighth Engineering Divison Co Ltd
Priority date: 2019-11-26
Filing date: 2019-11-26
Publication date: 2020-08-25
Anticipated expiration: 2029-11-26

Abstract

The utility model discloses a novel basement waterproof construction, waterproof layer, screed-coat, drain bar and reinforced concrete layer lay in proper order from bottom to top and constitute the bottom plate waterproof layer on the basement bottom plate, the periphery of bottom plate waterproof layer is provided with annular escape canal along the outer wall promptly, and the distance outer wall 100 of escape canal along the outer wall setting adds 150mm, keeps away from concrete column and the peripheral 100 of brickwork brick post wall and adds 150mm department and all is provided with the escape canal, the escape canal pours in advance between wall angle, concrete column angle and the brickwork brick post wall angle respectively and sets up 100 and add 150mm high concrete terrace, and the JS water proof coating is applied paint with a brush twice in the 250mm height range of drainage ditch bottom, outer wall, concrete column and brickwork brick post wall face, brickwork brick post wall angle bottom sets up the anti-bank of concrete that 200mm is high. The utility model discloses need not to lay waterproofing membrane in the work progress, less time limit for a project, reduce cost reduces the amount of labour.

Description

Novel basement waterproof construction

Technical Field

The utility model belongs to the technical field of the construction, concretely relates to novel basement waterproof construction.

Background

With the continuous development of social economy, the investment of the country is continuously enlarged, the construction of urban infrastructures is more and more, the underground engineering of urban buildings is deeper and deeper, and the area of a basement is larger and larger. When the waterproof coiled material is aged, underground confined water can permeate into a basement bottom plate and permeate to a building surface along a concrete crack, and the water seepage of the bottom plate can also spread to walls and column feet, so that the building coating on the wall surface is damp and moldy, and great inconvenience is brought to later-stage maintenance and maintenance work of engineering.

The existing inner waterproof scheme can effectively solve the water seepage problem of the basement, namely, a basement bottom plate is constructed firstly, most underground water is blocked by a bottom plate concrete structure in a waterproof mode, necessary leaking stoppage is carried out on the position where the water leaks obviously on the surface of the basement bottom plate after the construction of the basement structure is finished, a cement-based permeable crystalline waterproof layer and a plastic drainage plate are arranged between the bottom plate and a building surface layer, and a corresponding and necessary trench is reserved. Local water leakage generated by the basement bottom plate in the using process is drained into a water collecting well through a plastic drainage plate and a trench and finally is pumped away through a water pump, and in the waterproof structure of the basement bottom plate with the patent publication number of CN205804634U in the prior art, in the actual engineering construction process, the waterproof implementation scheme of the patent still has the water leakage of local wall corners and column corners, so that the phenomena of moisture regain and peeling of decorative coatings of the wall corners and the column corners are very serious.

Disclosure of Invention

The purpose of the invention is as follows: the utility model discloses aim at provides a novel basement waterproof construction to prior art's is not enough, the utility model discloses careful analytical study on the basis of original embodiment increases corresponding node supplementary processing scheme on the basis of the patent waterproof construction among the prior art, makes it to become a complete structure system that has water terrace water repellent.

The technical scheme is as follows: a novel basement waterproof construction, waterproof layer, screed-coat, drain bar and reinforced concrete layer lay in proper order from bottom to top and constitute the bottom plate waterproof layer on the basement bottom plate, the periphery of bottom plate waterproof layer is provided with annular escape canal along the outer wall promptly, and the distance outer wall 100 of escape canal along the outer wall setting adds 150mm, keeps away from concrete column and the peripheral 100 of brickwork brick post wall and adds 150mm department and all is provided with the escape canal, the escape canal pours in advance between wall corner, concrete column corner and the brick post wall corner respectively and sets up 100 and add 150mm high concrete terrace, and the JS water proof coating is applied paint with a brush twice in the 250mm height range of drainage ditch bottom, outer wall, concrete column and brickwork brick post wall, brickwork brick post wall corner bottom sets up the anti-bank of concrete that 200mm is high.

The utility model discloses further preferred technical scheme does, the height of concrete terrace is 120mm, and is the same with bottom plate waterproof layer height.

Preferably, the concrete in the concrete terrace and the concrete back ridge is C25 concrete.

Has the advantages that: the utility model discloses increased the scheme that corresponding node additional treatment was handled on basement waterproof construction's the basis in prior art patent, the problem of solution groundwater infiltration bottom plate that can be comprehensive need not to lay waterproofing membrane in the work progress, less time limit for a project, reduce cost reduces the amount of labour. In the later maintenance process, the condition of underground water leakage is completely eradicated, the maintenance cost is greatly reduced, and the complaint phenomenon of owners is reduced.

Drawings

FIG. 1 is a schematic view of the masonry brick column wall corner waterproof structure of the present invention;

FIG. 2 is a schematic view of a concrete column corner waterproof structure according to the present invention;

fig. 3 is a schematic view of the waterproof structure of the concrete wall corner of the present invention;

fig. 4 is a schematic structural view of the waterproof layer of the bottom plate of the present invention.

In the figure, 1-masonry brick column wall, 2-concrete reversed ridge, 3-JS waterproof paint, 4-concrete terrace, 5-basement bottom plate, 6-concrete column, 7-outer wall and 8-drainage ditch.

Detailed Description

The technical solution of the present invention is described in detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the embodiments.

Example (b): a novel basement waterproof structure comprises a waterproof layer, a leveling layer, a drainage plate and a reinforced concrete layer, wherein the waterproof layer, the leveling layer, the drainage plate and the reinforced concrete layer are sequentially laid on a basement bottom plate 5 from bottom to top to form a bottom plate waterproof layer, an annular drainage ditch 8 is arranged at the outer periphery of the bottom plate waterproof layer along an outer wall 7, the distance between the drainage ditch 8 arranged along the outer wall 7 and the outer wall 7100 and 150mm is that the drainage ditch 8 is arranged at a position which is far away from the periphery of a concrete column 6 and a masonry brick column wall 1 and is 100 and 150mm away from the periphery of the concrete column 1 and the masonry brick column wall, a concrete terrace 4 with the height of 100 and 150mm is poured in advance between the drainage ditch 8 and the outer wall corner and the masonry brick column wall, the height of the concrete terrace 4 is preferably 120mm and is the same as the height of the bottom plate waterproof layer, the position where the concrete terrace 4 is poured does not need to be provided with the drainage plate, the masonry brick column corner bottom sets up the anti bank 2 of concrete that 200mm is high, the concrete in concrete terrace 4 and the anti bank 2 of concrete is the C25 concrete.

The utility model discloses an application example is that Nanjing is located a certain engineering in the new district of Jiangbei, two-layer underground, 12 layers on the ground, basement area 4600m²On the left and right sides, the underground structure adopts an internal waterproof construction scheme, and the floor building method of a bottom plate waterproof layer terrace in the negative second floor of the basement is shown in the attached figure 4; the number of the water collecting wells on the basement bottom plate is 19 in the original design, the water collecting wells are found not to be uniformly distributed along the edge of the basement outer wall, 6 water collecting wells are added on the peripheral outer wall through negotiation with the design, the distance between every two adjacent water collecting wells is about 20m, the slope finding length of a ditch is reduced, and water seepage can be collected into the water collecting wells more quickly; the basement is large in area, accumulated water can be timely drained, 4 drainage ditches are arranged along the root of the outer wall of the basement and the middle of the terrace, the distance between the drainage ditches is based on the length of no more than 30m, the drainage plates are used for finding slopes from the middle to the surrounding drainage ditches, water seeped out from the basement is enabled to be drained into the drainage ditches as soon as possible and not to be accumulated in the drainage plates, and the steel cover plates of the drainage ditches at the lanes are thickened; finally adopt the utility model discloses the node measure of the adoption among the waterproof construction carries outWaterproof treatment, mainly four points, (1) the distance of the drainage ditch along the outer wall must be ensured to be 100-150mm away from the outer wall; (2) coating JS waterproof paint twice in the height range of 250mm of the bottom of the drainage ditch, the concrete wall surface and the concrete cylindrical surface; (3) setting a 200mm high concrete reverse ridge at the bottom of a basement of all brick masonry, pouring C25 concrete, and similarly coating JS waterproof paint twice; (4) the concrete terrace of the outer wall, the concrete column corner and the masonry brick column corner needs to be poured with the height of 100-150mm in advance, and a drainage plate does not need to be arranged at the position where the concrete is poured in advance.

The utility model adopts the improved basement waterproof method in some projects (basement of Nanjing drum building hospital and basement of Nanjing purple peak building), thereby obtaining good economic and social benefits; the problem that underground water permeates a bottom plate can be comprehensively solved, waterproof coiled materials do not need to be laid in the construction process, the construction period is short, the cost is reduced, and the labor amount is reduced; in the later maintenance process, the condition of underground water leakage is completely eradicated, the maintenance cost is greatly reduced, and the complaint phenomenon of owners is reduced.

As mentioned above, although the present invention has been shown and described with reference to certain preferred embodiments, it should not be construed as limiting the invention itself. Various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. The utility model provides a novel basement waterproof construction, waterproof layer, screed-coat, drain bar and reinforced concrete layer lay in proper order from bottom to top and constitute the bottom plate waterproof layer on the basement bottom plate, the periphery of bottom plate waterproof layer is provided with annular escape canal along the outer wall promptly, and its characterized in that, the distance in the escape canal that sets up along the outer wall 100 thin sand 150mm outside the wall, keeps away from concrete column and brickwork brick post wall periphery 100 thin sand 150mm department and all is provided with the escape canal, the escape canal respectively with outer wall angle, concrete column angle and brickwork brick post wall angle between pour in advance and set up 100 thin sand 150mm high concrete terrace, at the bottom of the escape canal, outer wall face, concrete column face and brickwork brick post wall 250mm height range within range apply paint with a brush twice JS water proof coating, brickwork brick post wall angle bottom sets up the high concrete back-ridge of 200.

2. The novel basement waterproofing structure according to claim 1 wherein the height of the concrete terrace is 120mm, which is the same as the height of the waterproof layer of the bottom slab.

3. The waterproof structure of basement as claimed in claim 1, wherein the concrete in concrete terrace and concrete sill is C25 concrete.