CN219118242U - Pre-laid anti-sticking waterproof structure - Google Patents
Pre-laid anti-sticking waterproof structure Download PDFInfo
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- CN219118242U CN219118242U CN202122794078.3U CN202122794078U CN219118242U CN 219118242 U CN219118242 U CN 219118242U CN 202122794078 U CN202122794078 U CN 202122794078U CN 219118242 U CN219118242 U CN 219118242U
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Abstract
The utility model belongs to the technical field of building waterproofing, and discloses a pre-laid anti-sticking waterproof structure. The structure sequentially comprises a concrete cushion layer, a pre-paved high polymer waterproof coiled material layer, a cement-based permeable crystallization waterproof paint layer and an impermeable concrete layer from bottom to top. The waterproof structure adopts the design principle of the hardness and softness, and solves the problems of deformation resistance and crack resistance of the waterproof structure by utilizing the high extension and high strength of the pre-paved high polymer waterproof coiled material, meanwhile, the cement-based permeable crystalline waterproof coating layer can improve the local impermeability level and compressive strength of impermeable concrete, and the cement-based permeable crystalline waterproof coating layer also has the capability of improving the self-repairing capability of the concrete in a water leakage environment.
Description
Technical Field
The utility model belongs to the technical field of building waterproofing, and particularly relates to a pre-paved anti-sticking waterproof structure.
Background
At present, the basement bottom plate is waterproof mainly by the following five methods:
the first way is that: the hot bonding method mainly comprises the following steps: the specific construction method comprises the steps of firstly scraping or spraying 2mm of non-cured rubber asphalt waterproof coating on a cushion layer, then thermally bonding 4mm of SBS modified asphalt waterproof coiled material or 3mm of self-adhesive polymer modified asphalt waterproof coiled material, then pouring a 50mm concrete protective layer, and then binding reinforcing steel bars to form building bottom plate concrete.
The second way is that: the full-sticking construction method mainly comprises the following steps: the concrete construction method comprises the steps of firstly rolling or spraying an asphalt base layer treating agent on a cushion layer, then hot-melting and paving the 3+4mmSBS modified asphalt waterproof coiled material or self-adhering the 3+3mm self-adhesive polymer modified asphalt waterproof coiled material, then pouring a 50mm concrete protective layer, binding steel bars and building bottom plate concrete.
Third way: the empty laying construction method includes that the waterproof coiled material is firstly laid on a cushion layer in an empty way, then a 50mm concrete protection layer is poured, and then reinforcing steel bars are bound to form building bottom plate concrete.
Fourth method: the pre-paving and anti-sticking method is to pre-lay pre-paving polymer on the cushion layer, then directly tie the reinforcing steel bars on the waterproof coiled material and pour the bottom plate concrete.
Fifth method: the rigid waterproof method mainly comprises the steps of coating a cement-based permeable crystalline waterproof coating on a concrete bottom layer or a bottom plate, and then pouring the bottom plate concrete.
However, the process is not limited to the above-described process,
1. when the thermal bonding construction method or the full bonding construction method is adopted for construction, the waterproof layer and the cushion layer are fully bonded, the waterproof layer and the structural layer are not in accordance with the waterproof design concept, the waterproof layer is fully bonded, the strength of the waterproof cushion layer is low, the waterproof cushion layer is easy to crack in the later period, once the cushion layer is cracked, the waterproof layer is easy to crack, as the waterproof layer and the structural layer are not fully bonded, once leakage occurs, large-area water channeling is caused, and leakage points are difficult to find;
2. the third method for laying the concrete in the air: the waterproof layer is laid in the air between the waterproof layer and the cushion layer, the damage probability of the waterproof layer is reduced, but a concrete protection layer is arranged between the waterproof layer and the structural layer, once the waterproof layer leaks, the phenomenon of water channeling still occurs in the later stage, a leakage source is difficult to find, and the later stage is difficult to maintain;
3. fourth pre-paving and anti-sticking method: the method is an improvement of the first three methods, can form a good satisfying effect with post-cast concrete, and effectively eliminates the water leakage phenomenon. After the coiled materials are paved and pasted during construction, the coiled materials can be bound with steel bars, concrete is poured, but the waterproof layer can be damaged to a certain extent in the later steel bar binding process and the steel bar welding process, and leakage points are formed.
4. And fifthly, the impermeability of the concrete can be improved, the concrete has better self-repairing effect when the concrete crack is smaller than 0.4mm, but the waterproof effect is lost when the concrete crack is larger than 0.4 mm. The waterproof wall is purely rigid and waterproof, has poor deformation resistance, and does not accord with the waterproof concept of the rigid and soft of the basement.
Therefore, there is a need to propose a new waterproof structure for a basement floor which is water-free for a long period of time and may have a light corrosive high water pressure environment.
Disclosure of Invention
The utility model aims at overcoming the defects of the prior art and provides a pre-paved anti-sticking waterproof structure. The waterproof structure adopts the design principle of the hardness and softness, and solves the problems of deformation resistance and crack resistance of the waterproof structure by utilizing the high extension and high strength of the pre-paved high polymer waterproof coiled material, meanwhile, the cement-based permeable crystalline waterproof coating layer can improve the local impermeability level and compressive strength of impermeable concrete, and the cement-based permeable crystalline waterproof coating layer also has the capability of improving the self-repairing capability of the concrete in a water leakage environment.
In order to achieve the above purpose, the utility model provides a pre-laid anti-sticking waterproof structure, which sequentially comprises a concrete cushion layer, a pre-laid high polymer waterproof coiled material layer, a cement-based permeable crystallization waterproof coating layer and an impermeable concrete layer from bottom to top.
Preferably, the thickness of the concrete cushion layer is 80-150mm.
Preferably, the concrete of the concrete cushion is one of C15 concrete, C10 concrete, C20 concrete and C30 concrete.
Preferably, the thickness of the pre-paved high polymer waterproof roll layer is not less than 1.2mm.
Preferably, the pre-paved high polymer waterproof coiled material layer comprises a bottom film, a self-adhesive layer and an anti-sticking weather-proof layer which are sequentially arranged.
Preferably, the bottom film is arranged on the concrete cushion layer, and the cement-based permeable crystalline waterproof coating layer is arranged on the anti-sticking weather-proof layer.
Preferably, at least one end of the self-adhesive layer is provided with a landing zone.
Preferably, the width of the lap joint area is 50-150mm along the width direction of the pre-paved high polymer waterproof coiled material layer.
Preferably, the material of the base film is one of plastics, thermoplastic polyolefin and rubber polymer materials.
Preferably, the self-adhesive layer is a pressure-sensitive self-adhesive layer.
Preferably, the anti-sticking weather-resistant layer is a particle layer.
Preferably, the cement-based permeable crystalline waterproof coating material forming the cement-based permeable crystalline waterproof coating layer is a cement-based permeable crystalline waterproof material satisfying GB 1845-2012.
The technical scheme of the utility model has the following beneficial effects:
1. in the construction process, a high polymer waterproof coiled material is paved on a concrete cushion layer, then cement-based permeable crystallization waterproof paint is coated, steel bars are bound, and finally an impervious concrete layer is coated. A whole body is formed among the high polymer self-adhesive film waterproof coiled material, the cement-based permeable crystallization waterproof coating and the impermeable concrete, so that a waterproof whole body with hardness and softness is achieved, and the waterproof membrane has very good water channeling prevention performance.
2. The waterproof structure has self-repairing property, leakage occurs in the later waterproof structure, and the self-repairing capability of active substances in the cement-based permeable crystalline waterproof coating can be utilized under the action of water, so that the reliability of the waterproof structure is improved.
3. The waterproof structure adopts the design principle of the hardness and softness, and solves the problems of deformation resistance and crack resistance of the system by utilizing the high extension and high strength of the pre-paved high polymer waterproof coiled material, and meanwhile, the cement-based permeable crystalline waterproof coating layer can improve the local impermeability level and compressive strength of impermeable concrete, and the cement-based permeable crystalline waterproof coating layer also has the capability of improving the self-repairing capability of the concrete in a water leakage environment.
Additional features and advantages of the utility model will be set forth in the detailed description which follows.
Drawings
The foregoing and other objects, features and advantages of the utility model will be apparent from the following more particular descriptions of exemplary embodiments of the utility model as illustrated in the accompanying drawings wherein like reference numbers generally represent like parts throughout the exemplary embodiments of the utility model.
Fig. 1 shows a schematic view of a pre-laid anti-adhesive waterproof structure provided in embodiment 1 of the present utility model.
Fig. 2 shows a schematic diagram of a pre-laid polymer waterproof roll layer of a pre-laid anti-adhesive waterproof structure provided in embodiment 1 of the present utility model.
Fig. 3 is a schematic view showing the construction of a pre-laid anti-adhesive waterproof structure provided in embodiment 1 of the present utility model.
The reference numerals are explained as follows:
1-foundation soil; 2-concrete cushion; 3-pre-paving a high polymer waterproof coiled material layer; 4-cement-based permeable crystalline waterproof paint layer; 5-impervious concrete layer; 6-a base film; 7-a self-adhesive layer; 8-an anti-sticking weather-proof layer.
Detailed Description
Preferred embodiments of the present utility model will be described in more detail below. While the preferred embodiments of the present utility model are described below, it should be understood that the present utility model may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the utility model to those skilled in the art.
The utility model provides a pre-paving anti-sticking waterproof structure which sequentially comprises a concrete cushion layer, a pre-paving high polymer waterproof coiled material layer, a dry-scattering cement-based permeable crystallization waterproof coating layer and an impermeable concrete layer from bottom to top.
In one example, the concrete pad has a thickness of 80-150mm.
In one example, the concrete of the concrete cushion is one of C15 concrete, C10 concrete, C20 concrete, and C30 concrete.
In one example, the thickness of the pre-laid polymer waterproof roll layer is not less than 1.2mm.
In one example, the pre-paved high polymer waterproof roll layer comprises a bottom film, a self-adhesive layer and an anti-sticking weather-proof layer which are sequentially arranged.
In one example, the base film is disposed on the concrete cushion layer and the cement-based permeable crystalline waterproof coating layer is disposed on the anti-sticking weather-resistant layer.
In one example, at least one end of the self-adhesive layer is provided with a landing zone.
In one example, the width of the overlap area is 50-150mm along the width direction of the pre-paved polymer waterproof roll layer.
In the utility model, the bottom film of the pre-paved high polymer waterproof coiled material layer has higher tensile strength and shock resistance, plays a main waterproof role in the whole waterproof structure, has better chemical corrosion resistance and water resistance, can resist long-term water such as basement bottom plates and possibly has light corrosion high water pressure environment, and can be selected from plastic, HDPE (high density polyethylene), TPO (thermoplastic polyolefin) or rubber high polymer materials which are well known to the skilled in the art and can be used as the bottom film of the high polymer waterproof coiled material.
In an example, the self-adhesive glue layer is a pressure-sensitive self-adhesive glue layer, and after concrete is poured in the later period, the self-weight of the concrete is utilized, so that the pressure-sensitive adhesive property can be fully exerted, the post-pouring concrete and the polymer base film form a good bonding effect, and the water channeling problem caused by the fact that the waterproof layer is not fully adhered to the structural layer can be effectively solved.
In the utility model, the anti-sticking weather-proof layer has better anti-ultraviolet performance, is preferably a particle layer, mainly solves the problem of foot sticking caused by walking of constructors in later period, and meanwhile, the particle layer can also protect the self-sticking adhesive layer and improve the exposure service time due to weather resistance of the self-sticking adhesive layer.
In one example, the cementitious capillary crystalline waterproofing coating forming the cementitious capillary crystalline waterproofing coating layer is a cementitious capillary crystalline waterproofing material that meets GB 1845-2012.
The utility model also provides application of the pre-paved anti-adhesion waterproof structure in basement bottom plate waterproofing.
The utility model also provides a construction method of the pre-paved anti-adhesion waterproof structure, which comprises the following steps:
s1: constructing on foundation soil by utilizing concrete to form the concrete cushion;
s2: the macromolecule waterproof coiled material is laid on the concrete cushion layer in an empty mode, and the pre-laid macromolecule waterproof coiled material layer is formed;
s3: coating a cement-based permeable crystalline waterproof material on a pre-paved high polymer waterproof coiled material layer to form the cement-based permeable crystalline waterproof coating layer; binding reinforcing steel bars on the cement-based permeable crystallization waterproof coating layer.
S4: and pouring concrete, and forming the impervious concrete layer on the cement-based permeable crystalline waterproof paint layer.
In one example, in step S2, the polymer waterproof roll material is subjected to long-side lap joint and short-side lap joint, and the long-side lap joint is preferably self-adhesive bonding or hot air welding; the short edge overlap is preferably by butt joint and is adhered by self-adhesive cover strips.
In one example, the foundation soil is a planar foundation soil, an elevation or a slope surface foundation soil. And after the concrete is poured in the step S4, the poured concrete is vibrated and compacted through a concrete vibrating process, so that the poured concrete is formed.
Example 1
The present embodiment provides a pre-laid anti-adhesive waterproof structure, as shown in fig. 1, which sequentially comprises a concrete cushion layer 2, a pre-laid polymer waterproof coiled material layer 3, a cement-based permeable crystalline waterproof paint layer 4 and an impermeable concrete layer 5 from bottom to top.
The thickness of the concrete cushion layer 2 is 100mm, and the concrete of the concrete cushion layer 2 is C15 concrete.
The thickness of the pre-paved high polymer waterproof coiled material layer 3 is 1.5mm; the pre-paved high polymer waterproof coiled material layer 3 comprises a bottom film 6, a self-adhesive layer 7 and an anti-sticking weather-proof layer 8 which are sequentially arranged, as shown in figure 2; the basement membrane 6 is arranged on the concrete cushion layer 2, and the cement-based permeable crystallization waterproof paint layer 4 is arranged on the anti-sticking weather-proof layer 8; the long side of the self-adhesive layer 7 is provided with a lap joint area, and the width of the lap joint area is 100mm along the width direction of the pre-paved high polymer waterproof coiled material layer 3; the self-adhesive layer 7 is a pressure-sensitive self-adhesive layer; the anti-sticking weather-proof layer 8 is a particle layer.
The cement-based permeable crystalline waterproof coating forming the cement-based permeable crystalline waterproof coating layer 4 is a cement-based permeable crystalline waterproof material meeting GB 1845-2012;
the construction method of the pre-paved anti-adhesion waterproof structure is shown in fig. 3, and comprises the following steps:
s1: constructing on foundation soil 1 by using concrete to form a concrete cushion layer 2;
s2: the macromolecule waterproof coiled material is laid on the concrete cushion layer 2 in an empty mode to form the pre-laid macromolecule waterproof coiled material layer 3; the high polymer waterproof coiled material is subjected to long-side lap joint and short-side lap joint, and the long-side lap joint is self-adhered by adopting a lap joint area; the short edge lap joint adopts a butt joint method and is bonded by using a self-adhesive cover strip;
s3: coating a cement-based permeable crystalline waterproof material on the pre-paved macromolecule waterproof coiled material layer 3 to form a cement-based permeable crystalline waterproof coating layer 4; binding reinforcing steel bars on the cement-based permeable crystallization waterproof coating layer 4.
S4: pouring concrete; and vibrating and compacting the poured concrete through a concrete vibrating process, and forming the impervious concrete layer 5 on the cement-based permeable crystalline waterproof paint layer 4.
Comparative example 1
This comparative example provides a pre-laid anti-adhesive waterproof structure, and differs from example 1 only in that: the pre-laid reverse-adhesive waterproof structure of this comparative example does not include the cement-based penetrating crystallization waterproof paint layer 4, and includes only the concrete cushion layer 2, the pre-laid polymer waterproof roll layer 3, and the impervious concrete layer 5.
Test case
This test example peel strength and barrier strength were tested on the pre-laid reverse adhesive waterproof structures prepared in example 1 and comparative example 1, and the test results are shown in table 1. Wherein, the peeling strength with post-pouring concrete is tested according to GBT 23457-2017 pre-paved waterproof coiled materials; the anti-permeability strength was tested according to GB 1845-2012 cement-based permeable crystalline waterproof materials.
TABLE 1
| Scheme for the production of a semiconductor device | Peel strength (N/mm) | Impervious strength (MPa) | Peeling interface |
| Comparative example 1 | 3.7 | 0.7 | Cohesive failure of adhesive layer |
| Example 1 | 3.9 | 0.9 | Cohesive failure of adhesive layer |
The foregoing description of embodiments of the utility model has been presented for purposes of illustration and description, and is not intended to be exhaustive or limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the various embodiments described.
Claims (10)
1. The pre-paved anti-sticking waterproof structure is characterized by sequentially comprising a concrete cushion layer, a pre-paved high polymer waterproof coiled material layer, a cement-based permeable crystallization waterproof paint layer and an impermeable concrete layer from bottom to top;
the pre-paved high polymer waterproof coiled material layer is paved on the concrete cushion layer in an empty mode;
the cement-based permeable crystallization waterproof coating layer is coated on the pre-paved high polymer waterproof coiled material layer;
the impervious concrete layer is poured on the cement-based permeable crystalline waterproof coating layer.
2. The pre-laid anti-adhesive waterproof structure according to claim 1, wherein the thickness of the concrete cushion layer is 80-150mm.
3. The pre-laid reverse adhesive waterproof structure according to claim 1, wherein the concrete of the concrete cushion is one of C15 concrete, C10 concrete, C20 concrete and C30 concrete.
4. The pre-laid anti-adhesive waterproof structure according to claim 1, wherein the thickness of the pre-laid polymer waterproof roll layer is not less than 1.2mm.
5. The pre-laid anti-sticking waterproof structure according to claim 1, wherein the pre-laid high polymer waterproof coiled material layer comprises a base film, a self-adhesive layer and an anti-sticking weather-resistant layer which are sequentially arranged.
6. The pre-laid reverse adhesive waterproof structure according to claim 5, wherein the base film is disposed on the concrete cushion layer, and the cement-based penetrating crystalline waterproof coating layer is disposed on the anti-sticking weather-resistant layer.
7. The pre-laid anti-adhesive waterproof structure according to claim 5, wherein at least one end of the self-adhesive layer is provided with a lap zone.
8. The pre-laid anti-adhesive waterproof structure according to claim 7, wherein the width of the overlap area is 50-150mm along the width direction of the pre-laid polymer waterproof roll layer.
9. The pre-laid anti-adhesive waterproof structure according to claim 5, wherein,
the material of the bottom film is one of plastics, thermoplastic polyolefin and rubber polymer materials;
the self-adhesive layer is a pressure-sensitive self-adhesive layer;
the anti-sticking weather-proof layer is a particle layer.
10. The pre-laid reverse-adhesive waterproof structure according to claim 1, wherein the cement-based penetrating crystalline waterproof coating material forming the cement-based penetrating crystalline waterproof coating layer is a cement-based penetrating crystalline waterproof material satisfying GB 1845-2012.
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| CN202122794078.3U CN219118242U (en) | 2021-11-15 | 2021-11-15 | Pre-laid anti-sticking waterproof structure |
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| CN202122794078.3U CN219118242U (en) | 2021-11-15 | 2021-11-15 | Pre-laid anti-sticking waterproof structure |
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