CN215518902U

CN215518902U - Basement outer wall seepage prevention structure

Info

Publication number: CN215518902U
Application number: CN202121971807.1U
Authority: CN
Inventors: 周朝青; 闫要涛; 孙义刚
Original assignee: ZHEJIANG XINJIE CONSTRUCTION CO Ltd
Current assignee: ZHEJIANG XINJIE CONSTRUCTION CO Ltd
Priority date: 2021-08-21
Filing date: 2021-08-21
Publication date: 2022-01-14
Anticipated expiration: 2031-08-21

Abstract

The utility model discloses a basement outer wall anti-seepage structure which comprises a pit foundation, wherein concrete leveling layers are arranged on the inner wall and the bottom end face of the pit foundation, a first waterproof coiled material is arranged on the inner side of each concrete leveling layer, a first heat insulation layer is arranged on the inner side of each first waterproof coiled material, an outer wall body is arranged on the inner wall of each first heat insulation layer, a second heat insulation layer is arranged on the inner side of the outer wall body, a second waterproof coiled material is arranged on the inner side of each second heat insulation layer, and a concrete inner wall layer is arranged on the inner side of each second waterproof coiled material. The method comprises the steps of firstly, taking a pit wall as a template, sequentially paving a concrete leveling layer and a first flexible waterproof layer to achieve the effect of multi-layer seepage prevention of underground water, pouring an outer wall body by taking a heat preservation layer as the template, sequentially paving the heat preservation layer, a second flexible waterproof layer and a concrete inner wall layer on the inner wall of the outer wall body to achieve the effect of multi-layer seepage prevention of the underground water, and achieving the effect of effective protection and seepage prevention on the outer side and the inner side of the outer wall.

Description

Basement outer wall seepage prevention structure

Technical Field

The utility model belongs to the technical field of cutting machines, and particularly relates to a basement outer wall leakage-proof structure.

Background

Link basement outer wall antiseep is the important link in the building, also the release that people regard comparatively more, it has better water-proof effects to reach the basement outer wall, all have very high requirement in design and construction aspect, it is firm and soft mutually to summarize basically, multilayer is defended, the upstream face is prevented, by the surface of water stifled, the little destruction and the waterproof layer of reproducing of creating, two-layer flexible waterproof layer, two-layer rigid waterproof layer have been reproduced in the movement joint in turn, the advantage of two kinds of materials has been fully played, set up tight multilayer defence line, the non-uniform settlement takes place in movement joint both sides, can make the waterproof layer take place shear deformation, when the shear stress of waterproof layer is greater than waterproof layer shear strength, the waterproof layer can take place shear failure, flexible waterproof layer shear strength is far greater than rigid waterproof layer, it mainly bears shear stress, in order to protect whole waterproof layer can not take place shear failure.

The existing basement outer wall anti-seepage structure is characterized in that a template is built, a basement main frame is poured in advance, a brick die is built at a post-pouring position after construction is finished, the waterproof property of concrete of the basement outer wall is poor due to the method, cracks are easily generated at a joint position, the appearance quality is poor, waterproof treatment is carried out at the later stage, the difficulty of detail treatment is increased, the potential leakage hazard is easily caused, inconvenience is brought to later-stage water seepage maintenance work, and the problem of poor anti-seepage effect exists.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a basement outer wall seepage-proofing structure, which aims to solve the problem of poor seepage-proofing effect in the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a basement outer wall seepage prevention structure, includes the pit base, pit base inner wall all is provided with the concrete screed-coat with the bottom face, concrete screed-coat inboard is provided with first waterproofing membrane, first waterproofing membrane inboard is provided with first heat preservation, first heat preservation inner wall is provided with outer wall body, outer wall body inboard is provided with the second heat preservation, second heat preservation inboard is provided with second waterproofing membrane, second waterproofing membrane inboard is provided with concrete inner wall layer.

Preferably, the first waterproofing membrane outside is provided with first water proof coating layer, first waterproofing membrane inboard is provided with second water proof coating layer, second waterproofing membrane inboard is provided with third water proof coating layer, the second waterproofing membrane outside is provided with fourth water proof coating layer.

Preferably, first heat preservation upper end and second heat preservation lower extreme are provided with the concrete bottom plate, the upper end is provided with first strengthening rib in the concrete bottom plate, the lower extreme is provided with the second strengthening rib in the concrete bottom plate, first strengthening rib and second strengthening rib pass through U-shaped reinforcing bar fixed connection.

Preferably, one side is provided with first S shape atress reinforcing bar in the outer wall body, the opposite side is provided with second S shape atress reinforcing bar in the outer wall body, be provided with the elastic damping piece group between first atress reinforcing bar and the second S shape atress reinforcing bar.

Compared with the prior art, the utility model has the beneficial effects that:

1. the utility model firstly uses the pit wall of the pit foundation as a template of the external wall body of the basement, firstly, a concrete leveling layer is laid on the pit wall and the end surface of the pit bottom through concrete slurry, a first waterproof coating layer is sprayed on the inner layer of the concrete leveling layer, a first waterproof coiled material is arranged on the inner layer of the first waterproof coating layer, the first waterproof coiled materials are arranged by repeated pressing and spreading, so that gaps are prevented from being generated between the first waterproof coiled materials, the effective waterproof effect can not be achieved, a second waterproof coating layer is sprayed on the inner layer of the first waterproof coiled material, a first heat preservation layer is arranged on the inner layer of the second waterproof coating layer, the external wall body and the concrete bottom plate are prevented from being expanded by the first heat preservation layer and the second heat preservation layer, the deformation of thermal contraction is generated in the low-temperature or high-temperature environment, so that the external wall body and the concrete bottom plate are cracked, the service cycle and the quality of the external wall body and the concrete bottom plate are improved, the first waterproof roll, the first waterproof coating layer and the second waterproof coating layer are flexible waterproof layers, the first heat preservation layer is a rigid waterproof layer, three flexible waterproof layers are alternately reconstructed, two rigid waterproof layers are provided, the flexible waterproof layers are high in deformation resistance and low in compressive, anti-permeability and anti-aging capacities, the rigid waterproof layers are high in compressive, anti-permeability and anti-aging capacities and low in deformation resistance, the advantages of the two materials are fully played, and tight multilayer defensive lines are arranged in the pit foundation.

2. According to the utility model, the first reinforcing rib and the second reinforcing rib are reinforced by the U-shaped reinforcing steel bars, so that the concrete bottom plate is pressed to prevent cracking, the original shape structure of the upper end of the concrete bottom plate is maintained under the condition of being pressed, the outer wall and the upper end of the outer wall body are extruded, the outer wall and the upper end of the outer wall body are stressed in two directions through the first S-shaped stress steel bars and the second S-shaped stress steel bars, and cracks are prevented from being generated in the outer wall body due to stress deformation of the outer wall body by using the elasticity of the elastic damping block group and the stress steel bars under the circulating action of absorption and release, so that the water resistance and the pressure resistance of the outer wall body are improved.

Drawings

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

fig. 2 is an enlarged schematic view of a portion of fig. 1.

In the figure: 1. the concrete heat-insulating building comprises a pit foundation, 2, a concrete leveling layer, 3, a first waterproof coiled material, 4, a first heat-insulating layer, 5, an outer wall body, 6, a second heat-insulating layer, 7, a second waterproof coiled material, 8, a concrete inner wall layer, 9, a first waterproof coating layer, 10, a second waterproof coating layer, 11, a third waterproof coating layer, 12, a fourth waterproof coating layer, 13, a concrete bottom plate, 14, a first reinforcing rib, 15, a second reinforcing rib, 16, a U-shaped reinforcing steel bar, 17, a first S-shaped stressed steel bar, 18, a second S-shaped stressed steel bar and 19, and an elastic damping block group.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

As shown in fig. 1 and fig. 2, an embodiment of the present invention provides a basement exterior wall anti-seepage structure, which includes a pit foundation 1, a concrete leveling layer 2 sprayed with concrete slurry is applied to an inner wall and a bottom end surface of the pit foundation 1, a first waterproof roll 3 is laid on an inner side of the concrete leveling layer 2, the first waterproof roll 3 is 1.5mm thick and made of an ethylene propylene diene monomer waterproof roll material, a first heat preservation layer 4 is laid on an inner side of the first waterproof roll 3, the first heat preservation layer 4 is gypsum-based inorganic heat preservation mortar, an outer wall 5 is laid on an inner wall of the first heat preservation layer 4 through concrete, a second heat preservation layer 6 is laid on an inner side of the outer wall 5, the second heat preservation layer 6 is gypsum-based inorganic heat preservation mortar, a second waterproof roll 7 is laid on an inner side of the second heat preservation layer 6, the second waterproof roll 7 is 1.5mm thick and made of an ethylene propylene diene monomer waterproof roll material, an inner wall layer 8 is laid on an inner side of the second waterproof roll 7, a first waterproof coating layer 9 is sprayed on the outer side of a first waterproof coiled material 3, the thickness of the first waterproof coating layer 9 is 2mm, the material is polyurethane waterproof coating, a second waterproof coating layer 10 is paved on the inner side of the first waterproof coiled material 3, the thickness of the second waterproof coating layer 10 is 2mm, the material is polyurethane waterproof coating, a third waterproof coating layer 11 is paved on the inner side of a second waterproof coiled material 7, the thickness of the third waterproof coating layer 11 is 2mm, the material is polyurethane waterproof coating, a fourth waterproof coating layer 12 is paved on the outer side of the second waterproof coiled material 7, the thickness of the fourth waterproof coating layer 12 is 2mm, the material is polyurethane waterproof coating, a concrete bottom plate 13 is poured on the upper end of a first heat preservation layer 4 and the lower end of a second heat preservation layer 6, a first reinforcing rib 14 is pre-embedded on the inner upper end of the concrete bottom plate 13, a second reinforcing rib 15 is poured on the inner lower end of the concrete bottom plate 13, the first reinforcing rib 14 and the second reinforcing rib 15 are fixedly connected through a U-shaped reinforcing steel bar 16, the first reinforcing rib 15, the second reinforcing rib 14 and the U-shaped reinforcing steel bars 16 are fixed through steel wire rolling lines, a first S-shaped stress steel bar 17 is pre-embedded in the left side of the outer wall body 5, a second S-shaped stress steel bar 18 is pre-embedded in the right side of the outer wall body 5, and the first S-shaped stress steel bar 17 and the second S-shaped stress steel bar 18 are connected through an elastic damping block group 19.

The working principle of the embodiment is as follows: firstly, the pit wall of a pit foundation 1 is taken as a template of an outer wall body 5 of a basement, a concrete leveling layer 2 is paved on the pit wall and the end face of the pit bottom through concrete slurry, a first waterproof coating layer 9 is sprayed on the inner layer of the concrete leveling layer 2, a first waterproof coiled material 3 is arranged on the inner layer of the first waterproof coating layer 9, the first waterproof coiled materials 3 are paved and installed through repeated pressing, gaps are prevented from being generated between the first waterproof coiled materials 3, an effective waterproof effect cannot be achieved, a second waterproof coating layer 10 is sprayed on the inner layer of the first waterproof coiled material 3, a first heat preservation layer 4 is arranged on the inner layer of the second waterproof coating layer 10, the outer wall body 5 and a concrete bottom plate 13 are prevented through the first heat preservation layer 4 and the second heat preservation layer 6, the deformation of thermal expansion and cold contraction occurs in a low-temperature or high-temperature environment, the outer wall body 5 and the concrete bottom plate 13 are cracked, the service cycle and the quality of the outer wall body 5 and the concrete bottom plate 13 are improved, the first waterproof roll 3, the first waterproof coating layer 9 and the second waterproof coating layer 10 are all flexible waterproof layers, the first heat-insulating layer 4 is a rigid waterproof layer, three flexible waterproof layers are alternately reconstructed, two rigid waterproof layers are provided, the flexible waterproof layers have strong deformation resistance and weak compression, seepage and aging resistance, the rigid waterproof layers have strong compression, seepage and aging resistance and weak deformation resistance, the advantages of the two materials are fully exerted, and tight multilayer defensive lines are arranged in the pit foundation 1. Through the reinforcement of first strengthening rib 14 and second strengthening rib 15 through U-shaped reinforcing bar 16, play the pressurized fission prevention to concrete bottom plate 13, it keeps original shape structure to have increased concrete bottom plate 13 upper end under the circumstances of pressurized, receive the extrusion on 5 outer walls of outer wall body and upper end, through the two-way atress through first S-shaped atress reinforcing bar 17 and second S-shaped atress reinforcing bar 18, with the elasticity of elastic damping piece group 19 and atress reinforcing bar, absorb and the circulation effect of release, can avoid outer wall body 5 to take place the atress deformation, cause and produce the crackle in the outer wall body 5, thereby the waterproof nature and the resistance to pressure of outer wall body 5 have been improved.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention.

Claims

1. The utility model provides a basement outer wall seepage prevention structure which characterized in that: including pit foundation (1), pit foundation (1) inner wall all is provided with concrete screed-coat (2) with the bottom face, concrete screed-coat (2) inboard is provided with first waterproofing membrane (3), first waterproofing membrane (3) inboard is provided with first heat preservation (4), first heat preservation (4) inner wall is provided with outer wall body (5), outer wall body (5) inboard is provided with second heat preservation (6), second heat preservation (6) inboard is provided with second waterproofing membrane (7), second waterproofing membrane (7) inboard is provided with concrete inner wall layer (8).

2. The anti-seepage structure for the basement exterior wall as claimed in claim 1, wherein: first waterproofing membrane (3) outside is provided with first waterproofing coating layer (9), first waterproofing membrane (3) inboard is provided with second waterproofing coating layer (10), second waterproofing membrane (7) inboard is provided with third waterproofing coating layer (11), the second waterproofing membrane (7) outside is provided with fourth waterproofing coating layer (12).

3. The anti-seepage structure for the basement exterior wall as claimed in claim 1, wherein: first heat preservation (4) upper end and second heat preservation (6) lower extreme are provided with concrete bottom plate (13), the upper end is provided with first strengthening rib (14) in concrete bottom plate (13), the lower extreme is provided with second strengthening rib (15) in concrete bottom plate (13), first strengthening rib (14) and second strengthening rib (15) are through U-shaped reinforcing bar (16) fixed connection.

4. The anti-seepage structure for the basement exterior wall as claimed in claim 1, wherein: one side is provided with first S-shaped atress reinforcing bar (17) in outer wall body (5), the opposite side is provided with second S-shaped atress reinforcing bar (18) in outer wall body (5), be provided with elastic damping block group (19) between first S-shaped atress reinforcing bar (17) and second S-shaped atress reinforcing bar (18).