CN114277853B - Protective layer structure of vertical waterproof coiled material and construction method thereof - Google Patents

Protective layer structure of vertical waterproof coiled material and construction method thereof Download PDF

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CN114277853B
CN114277853B CN202111611176.7A CN202111611176A CN114277853B CN 114277853 B CN114277853 B CN 114277853B CN 202111611176 A CN202111611176 A CN 202111611176A CN 114277853 B CN114277853 B CN 114277853B
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section
protective layer
layer structure
protection
coiled material
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CN114277853A (en
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陈少刚
唐浩铭
朱秀方
徐珍
张晓�
韦年达
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China Construction Eighth Engineering Division Co Ltd
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China Construction Eighth Engineering Division Co Ltd
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Abstract

The invention discloses a protective layer structure of a vertical waterproof coiled material and a construction method thereof, wherein the structure comprises a protective section and a lap joint section, the lap joint section is connected to the upper part of the protective section, and the lap joint section and the protective section are arranged at an angle; the overlap joint section with the protection section includes backup pad and ready-mix material respectively, a plurality of holding holes that link up have been seted up to the backup pad, ready-mix material is filled in a plurality of in the holding hole, the relative both sides of backup pad are installed respectively and are used for shielding a plurality of the permeable cloth of holding hole's drill way, ready-mix material comprises cement, montmorillonite powder, lime cream powder, crack resistant fiber. The invention solves the problem that the waterproof coiled material in the vertical direction in the foundation pit cannot be effectively constructed to form a waterproof protection layer.

Description

Protective layer structure of vertical waterproof coiled material and construction method thereof
Technical Field
The invention relates to the technical field of building construction, in particular to a protective layer structure of a vertical waterproof coiled material and a construction method thereof.
Background
In the construction industry, waterproof coiled materials are widely used in the positions of basement floors, pile caps, basement outer side walls and the like of building structures. In the engineering with pile foundation and basement structure, the construction of the waterproof coiled material cannot avoid paving the waterproof coiled material in the vertical direction, such as paving the waterproof coiled material on the vertical side wall of the foundation pit. After the construction of the waterproof coiled material paved in the vertical direction is completed, cement mortar is generally smeared on the vertical surface of the waterproof coiled material in the vertical direction to form a waterproof protective layer. Because the surface of the waterproof coiled material is provided with a layer of plastic film, cement mortar on the vertical surface cannot be effectively attached to the waterproof coiled material in the vertical direction, and then the protective layer of the waterproof coiled material in the vertical direction cannot be effectively formed, and damage to the waterproof coiled material in the vertical direction caused by the construction of the following procedures such as steel bar installation and concrete pouring cannot be avoided.
Disclosure of Invention
In order to overcome the defects in the prior art, a protective layer structure of a vertical waterproof coiled material and a construction method thereof are provided at present, so that the problem that the waterproof coiled material in the vertical direction in a foundation pit cannot be effectively constructed to form a waterproof protective layer is solved.
In order to achieve the above purpose, a protective layer structure of a vertical waterproof coiled material is provided, which comprises a protective section and a lap joint section, wherein the lap joint section is connected to the upper part of the protective section, and the lap joint section and the protective section are arranged at an angle; the overlap joint section with the protection section includes backup pad and ready-mix material respectively, a plurality of holding holes that link up have been seted up to the backup pad, ready-mix material is filled in a plurality of in the holding hole, the relative both sides of backup pad are installed respectively and are used for shielding a plurality of the permeable cloth of holding hole's drill way, ready-mix material comprises cement, montmorillonite powder, lime cream powder, crack resistant fiber.
Further, an anchor is also included and is connected to a side of the overlap segment remote from the protection segment.
Further, the ready-mixed mixture consists of 87 parts by weight of cement, 8 parts by weight of montmorillonite powder, 4 parts by weight of lime paste powder and 1 part by weight of anti-cracking fiber.
Further, the supporting plate is a flexible plate.
Further, the flexible board is a polypropylene fiber board.
Further, the thickness of the supporting plate is 2 mm-5 mm.
Further, the accommodating hole is in a polygonal prism shape.
Further, the water permeable cloth is non-woven fabric or glass fiber mesh cloth.
The invention provides a construction method of a protective layer structure of a vertical waterproof coiled material, which comprises the following steps:
attaching the protection section to the outer side of the vertical waterproof coiled material;
turning over the overlap section and covering the overlap section outside the pit mouth of the foundation pit installed by the vertical waterproof coiled material, so that the overlap section and the protection section are arranged at an angle;
sprinkling water on the overlap joint section, so that the water permeates the pre-mixed materials in the overlap joint section through water permeable cloth to be solidified into an anchoring layer;
sprinkling water on the protection section, so that the water permeates the premixed material in the protection section through the water permeable cloth to be solidified to form a protection layer;
and pouring a pithead waterproof protection layer outside the pithead of the foundation pit, so that the anchoring layer is buried in the pithead waterproof protection layer.
The protective layer structure of the vertical waterproof coiled material and the construction method thereof have the advantages that the mortar protective layer can be effectively formed on the vertical waterproof coiled material, and the waterproof failure probability of the structures such as a basement bottom plate, a pile cap and a basement outer wall is reduced: the waterproof layer structure can eliminate the damage phenomenon of the reinforced engineering and the concrete engineering to the waterproof layer (vertical waterproof coiled material), under the action of the protective layer, the functional safety of the waterproof layer can be greatly increased, the falling of the protective layer can be effectively prevented, and the risk of leakage caused by the waterproof damage of the structures such as a basement bottom plate, a pile cap, a basement outer side wall and the like is reduced.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the detailed description of non-limiting embodiments, made with reference to the following drawings, in which:
fig. 1 is a schematic structural diagram of a foundation pit according to an embodiment of the present invention.
Fig. 2 is a cross-sectional view of a foundation pit according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a protective layer structure according to an embodiment of the invention.
Fig. 4 is a schematic structural view of a support plate according to an embodiment of the present invention.
Fig. 5 is a schematic structural view of a receiving hole according to an embodiment of the invention.
Fig. 6 is a schematic structural diagram of a protective layer structure of a vertical waterproof roll according to an embodiment of the present invention.
Description of the embodiments
The present application is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be noted that, for convenience of description, only the portions related to the invention are shown in the drawings.
It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Referring to fig. 1 to 6, the present invention provides a protective layer structure 1 of a vertical waterproof roll, comprising: a protective section 12 and a bridging section 11.
Referring to fig. 6, the overlap section 11 is movably connected to the upper portion of the protection section 12. The overlap section 11 is arranged at an angle to the protection section 12.
Referring again to fig. 3-5, the overlap section 11 and the protection section 12 include a support plate a and a ready mix b, respectively. In this embodiment, the overlap section 11 and the protection section 12 are identical in structure. The overlap section is connected to the protection section in a reversible manner. Specifically, the supporting plate a is provided with a plurality of through containing holes. The pre-mix b is filled in the plurality of receiving holes. The opposite sides of the supporting plate a are respectively provided with water permeable cloth c. The permeable cloth c is used for shielding the orifices of the plurality of containing holes so as to prevent the pre-mixed material from leaking out of the containing holes, and can permeate water outside the containing holes into the containing holes so as to be combined with the pre-mixed material to form mortar slurry for further consolidation to form a mortar protection layer.
Wherein the premixed material b consists of cement, montmorillonite powder, lime paste powder and anti-cracking fibers.
Specifically, the pre-mix b consists of 87 parts by weight of cement, 8 parts by weight of montmorillonite powder, 4 parts by weight of lime paste powder and 1 part by weight of anti-cracking fiber.
The support plate a is a flexible plate. The thickness of the supporting plate a is 2 mm-5 mm. The accommodating hole is in a polygonal prism shape. The plurality of containing holes are arranged in a matrix, and each containing hole is in a polygonal prism shape. The water permeable cloth c is non-woven fabric or glass fiber mesh cloth. The permeable cloth is provided with a plurality of permeable holes, and the inner diameter of each permeable hole is smaller than the outer diameter of the premixed material.
In this embodiment, the flexible board is a polypropylene fiber board, and a honeycomb-shaped supporting board is formed by weaving polypropylene fiber materials and is used for loading pre-mix materials. The water permeable cloth c is non-woven fabric or glass fiber mesh cloth. The permeable cloth is connected with the supporting plate in a hot melting way.
As a preferred embodiment, the present invention provides a protective layer structure 1 of a vertical waterproof roll further comprising an anchor 13. The anchor 13 is connected to the side of the overlapped segment 11 remote from the protecting segment 12.
In this embodiment, the anchoring member is a section of blank supporting plate, the holding hole of the section of supporting plate is not filled with the mortar pre-mix material, and the orifice of the holding hole is also provided with water permeable cloth.
The invention provides a construction method of a protective layer structure of a vertical waterproof coiled material, which comprises the following steps:
s1: and attaching the protection section to the outer side of the vertical waterproof coiled material.
Referring to fig. 1 and 2, in the present embodiment, a foundation pit 3 is used for casting pile caps. The foundation pit 3 is a foundation pit in the bottom plate of the deep foundation pit, and is in a pit-in-pit form.
In the waterproofing of the pit wall 31 of the foundation pit 3 of the bottom plate of the deep foundation pit, the vertical waterproofing membrane 4 is provided. The middle part of the vertical waterproof coiled material 4 is paved on the pit wall 31 of the foundation pit 3, the upper part of the vertical waterproof coiled material 4 is turned over and paved outside the pit mouth of the foundation pit 3, and the lower part of the vertical waterproof coiled material 4 is turned over and paved at the pit bottom of the foundation pit 3.
The upper part of the vertical waterproof coiled material is outwards turned and overlapped with the horizontal waterproof coiled material of the bottom plate of the deep foundation pit, and the lower part of the vertical waterproof coiled material is paved at the pit bottom of the foundation pit 3 and is overlapped with the horizontal waterproof coiled material of the pit bottom of the foundation pit 3.
After the vertical waterproof coiled material is installed, the protection section 12 is attached to the middle of the vertical waterproof coiled material 4.
S2: the overlap joint section is turned over and covered outside the pit mouth of the foundation pit installed by the vertical waterproof coiled material, so that the overlap joint section and the protection section are arranged at an angle.
After the protection section is attached to the middle of the vertical waterproof coiled material, the overlap section 11 is turned over and covered on the upper part of the vertical waterproof coiled material 4 (namely, the bottom plate of the pit mouth of the foundation pit in the deep foundation pit).
S3: sprinkling water on the overlap joint section to enable the water to permeate into the overlap joint section through the water permeable cloth, and solidifying the ready-mixed material in the overlap joint section to form an anchoring layer.
After the protective layer structure 1 is installed, water is sprayed on the lap joint section by utilizing a water sprayer, so that water permeates into the accommodating holes of the supporting plates of the lap joint section through the water permeable cloth, the premixed material and the water are combined to form mortar slurry, and an anchoring layer is formed after the mortar slurry is solidified.
S4: and sprinkling water on the protection section to ensure that the water permeates into the protection section through the water permeable cloth and is solidified into a protection layer by the ready-mixed material.
After the anchoring layer is formed, water is sprayed on the protection section by utilizing a water sprayer, so that water permeates into the accommodating holes of the supporting plate of the protection section through the permeable cloth, the premixed material and the water are combined to form mortar slurry, and the mortar slurry is solidified outside the middle part of the vertical waterproof coiled material to form a protection layer.
After the protective layer is solidified, a waterproof protective layer at the pit bottom of the foundation pit 3 can be poured, so that the waterproof protective layer at the pit bottom abuts against the lower end of the protective layer.
S5: and pouring a pithead waterproof protection layer outside the pithead of the foundation pit, so that the anchoring layer is buried in the pithead waterproof protection layer.
Specifically, the pouring of the waterproof protection layer 2 for the pit mouth is performed in two stages, including steps S51 and S52.
S51: as shown in fig. 6, after the overlapping section 11 is laid, a first section 21 forming a waterproof protection layer for the pit mouth is poured outside the pit mouth, so that the anchor is buried in the first section 21. When the first section 21 of the waterproof protection layer of the pithead is poured, the mortar of the first section 21 of the waterproof protection layer of the pithead is filled in the accommodating hole of the supporting plate of the anchoring piece, so that the anchoring piece is firmly buried in the first section 21 of the waterproof protection layer of the pithead.
S52: with continued reference to fig. 6, after the ready-mixed material b is solidified to form an anchoring layer, a second section 22 of the waterproof protection layer of the pit mouth is poured on the anchoring layer, and the second section 22 is coated on the anchoring layer. The tops of the first section 21 and the second section 22 of the water-proof protection layer for the pit opening are flush.
The protective layer structure of the vertical waterproof coiled material and the construction method thereof can effectively form a mortar protective layer on the vertical waterproof coiled material, and reduce the probability of waterproof failure of structures such as a basement bottom plate, a pile cap, a basement outer side wall and the like: the waterproof layer structure can eliminate the damage phenomenon of the reinforced engineering and the concrete engineering to the waterproof layer (vertical waterproof coiled material), under the action of the protective layer, the functional safety of the waterproof layer can be greatly increased, the falling of the protective layer can be effectively prevented, and the risk of leakage caused by the waterproof damage of the structures such as a basement bottom plate, a pile cap, a basement outer side wall and the like is reduced.
The foregoing description is only of the preferred embodiments of the present application and is presented as a description of the principles of the technology being utilized. It will be appreciated by persons skilled in the art that the scope of the invention referred to in this application is not limited to the specific combinations of features described above, but it is intended to cover other embodiments in which any combination of features described above or equivalents thereof is possible without departing from the spirit of the invention. Such as the above-described features and technical features having similar functions (but not limited to) disclosed in the present application are replaced with each other.

Claims (9)

1. The protective layer structure of the vertical waterproof coiled material is characterized by comprising a protective section and a lap joint section, wherein the lap joint section is connected to the upper part of the protective section, and the lap joint section and the protective section are arranged at an angle; the overlap joint section and the protection section respectively comprise a supporting plate and a pre-mixed material, the supporting plate is provided with a plurality of through containing holes, the pre-mixed material is filled in the containing holes, water permeable cloth for shielding the orifices of the containing holes is respectively arranged on the two opposite sides of the supporting plate, and the pre-mixed material consists of cement, montmorillonite powder, lime paste powder and anti-cracking fibers;
the mortar pre-mixing device is characterized by further comprising an anchoring piece, wherein the anchoring piece is connected to one side, far away from the protection section, of the overlap section, the anchoring piece is a section of blank supporting plate, mortar pre-mixing materials are not filled in the accommodating holes of the section of supporting plate, and water permeable cloth is arranged at the holes of the accommodating holes.
2. The protective layer structure of a vertical waterproof roll as claimed in claim 1, further comprising an anchor member connected to a side of the overlap section remote from the protective section.
3. The protective layer structure of the vertical waterproof coiled material according to claim 1, wherein the premixed material consists of 87 parts by weight of cement, 8 parts by weight of montmorillonite powder, 4 parts by weight of lime paste powder and 1 part by weight of anti-cracking fiber in parts by weight.
4. The protective layer structure of a vertical waterproof roll as claimed in claim 1, wherein the support plate is a flexible plate.
5. The protective layer structure of a vertical waterproof roll as claimed in claim 4, wherein the flexible board is a polypropylene fiber board.
6. The protective layer structure of a vertical waterproof roll as claimed in claim 1, wherein the thickness of the support plate is 2mm to 5mm.
7. The protective layer structure of a vertical waterproof roll as claimed in claim 1, wherein the receiving hole has a polygonal column shape.
8. The protective layer structure of a vertical waterproof roll as claimed in claim 7, wherein the water permeable cloth is a non-woven fabric or a glass fiber mesh cloth.
9. A construction method of the protective layer structure of the vertical waterproof roll as claimed in any one of claims 1 to 8, comprising the steps of:
attaching the protection section to the outer side of the vertical waterproof coiled material;
turning over the overlap section and covering the overlap section outside the pit mouth of the foundation pit installed by the vertical waterproof coiled material, so that the overlap section and the protection section are arranged at an angle;
sprinkling water on the overlap joint section, so that the water permeates the pre-mixed materials in the overlap joint section through water permeable cloth to be solidified into an anchoring layer;
sprinkling water on the protection section, so that the water permeates the premixed material in the protection section through the water permeable cloth to be solidified to form a protection layer;
and pouring a pithead waterproof protection layer outside the pithead of the foundation pit, so that the anchoring layer is buried in the pithead waterproof protection layer.
CN202111611176.7A 2021-12-27 2021-12-27 Protective layer structure of vertical waterproof coiled material and construction method thereof Active CN114277853B (en)

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CN114277853B true CN114277853B (en) 2023-07-25

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CN114319457B (en) * 2021-12-27 2023-07-25 中国建筑第八工程局有限公司 Construction method of vertical waterproof coiled material

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CN107806190A (en) * 2017-12-06 2018-03-16 沈阳建筑大学 Multifunction Wave shape cement blanket with guide functions
CN210766835U (en) * 2019-07-26 2020-06-16 中铁十八局集团第五工程有限公司 Foundation beam side vertical face waterproof structure
CN111119219B (en) * 2020-01-06 2021-08-13 中国一冶集团有限公司 Reinforced foundation tire membrane structure and construction method thereof
CN111792779B (en) * 2020-06-03 2023-07-18 中国一冶集团有限公司 Residential area waterscape system
CN212835785U (en) * 2020-07-27 2021-03-30 中国电建集团华东勘测设计研究院有限公司 Green environmental protection cement blanket and escape canal structure
CN213947676U (en) * 2020-11-23 2021-08-13 天津中联格林科技发展有限公司 Impervious concrete blanket

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