CN215152686U - Double-sided self-adhesion for overlapping construction of waterproof coiled materials of tunnel and underground engineering - Google Patents
Double-sided self-adhesion for overlapping construction of waterproof coiled materials of tunnel and underground engineering Download PDFInfo
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- CN215152686U CN215152686U CN202023006960.9U CN202023006960U CN215152686U CN 215152686 U CN215152686 U CN 215152686U CN 202023006960 U CN202023006960 U CN 202023006960U CN 215152686 U CN215152686 U CN 215152686U
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- 239000000463 material Substances 0.000 title claims abstract description 44
- 238000010276 construction Methods 0.000 title claims abstract description 30
- 239000010410 layer Substances 0.000 claims abstract description 101
- 239000002861 polymer material Substances 0.000 claims abstract description 20
- 239000012790 adhesive layer Substances 0.000 claims abstract description 9
- 229920001903 high density polyethylene Polymers 0.000 claims abstract description 4
- 239000004700 high-density polyethylene Substances 0.000 claims abstract description 4
- 239000011083 cement mortar Substances 0.000 claims description 11
- 239000002390 adhesive tape Substances 0.000 claims description 9
- 239000000853 adhesive Substances 0.000 claims description 6
- -1 polyethylene Polymers 0.000 claims description 6
- 238000002955 isolation Methods 0.000 claims description 4
- 239000002985 plastic film Substances 0.000 claims description 4
- 229920006255 plastic film Polymers 0.000 claims description 4
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 3
- 239000004709 Chlorinated polyethylene Substances 0.000 claims description 3
- 229920002943 EPDM rubber Polymers 0.000 claims description 3
- 239000004698 Polyethylene Substances 0.000 claims description 3
- 239000004743 Polypropylene Substances 0.000 claims description 3
- 239000005038 ethylene vinyl acetate Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 229920001155 polypropylene Polymers 0.000 claims description 3
- 229920002379 silicone rubber Polymers 0.000 claims description 3
- 230000004927 fusion Effects 0.000 claims 1
- 229920002545 silicone oil Polymers 0.000 claims 1
- 239000004945 silicone rubber Substances 0.000 claims 1
- 238000004078 waterproofing Methods 0.000 abstract description 19
- 239000012528 membrane Substances 0.000 abstract description 13
- 238000000034 method Methods 0.000 description 15
- 238000003466 welding Methods 0.000 description 12
- 238000004026 adhesive bonding Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 238000007792 addition Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000012943 hotmelt Substances 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000003487 anti-permeability effect Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model relates to a double-sided self-sticking for the lapping construction of waterproof coiled materials of tunnels and underground engineering, which comprises a high polymer material layer, wherein a reflecting layer and a self-sticking layer are sequentially compounded on the upper part of the high polymer material layer; the lower part of the high polymer material layer is sequentially compounded with an HDPE waterproof layer and a self-adhesive layer. The utility model discloses still including containing above-mentioned two-sided tunnel and the underground works waterproof layer of pasting. The utility model discloses not only can improve tunnel and underground works waterproofing membrane's laying efficiency, can improve construction quality moreover and reduce the personnel selection cost.
Description
Technical Field
The utility model belongs to the technical field of waterproof material, concretely relates to tunnel and underground works waterproofing membrane hang and spread the lapped two-sided self-pasting of method construction.
Background
At present, the tunnel and underground engineering mainly adopts the anti-permeability measures of concrete self-waterproofing and waterproof layer laying for waterproofing. Along with the development of the material engineering discipline in China, the impermeability of concrete is obviously improved, but the waterproof problem of the structure cannot be completely solved, and the concrete can only be used as the last waterproof barrier of the structure. The waterproof layer still needs to be laid on the outer side of the main body structure, and the waterproof layer material and the laying process are particularly important. At present, the construction of the waterproof coiled material by a hanging and paving method is widely applied to the waterproof construction of tunnels and underground projects, and the waterproof coiled material is paved after the leveling of a base layer is finished.
The common waterproof coiled material needs hot melting construction at normal temperature in paving, hanging and lapping. When the waterproof coiled material is laid, the laying direction of the waterproof coiled material is mainly the manual welding seams which occur as few as possible, the seams of the adjacent waterproof coiled materials are subjected to hot melting welding by adopting double welding seams, and the lap joint width is 10 cm. After welding, a leak detector is used for inflation detection, the inflation pressure is 0.25 MPa, the pressure is kept to be not less than 5 minutes, the pressure is allowed to be reduced by 10%, if the pressure is continuously reduced, an air leakage part is detected and comprehensive manual repair welding is carried out on the air leakage part, a coiled material is easy to weld through, the welding quality is difficult to guarantee, the welding technical requirement of the waterproof coiled material on workers is high, and certain difficulty exists in construction.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a not only can improve laying efficiency of tunnel and underground works waterproofing membrane, can improve construction quality and reduce the tunnel and the underground works waterproofing membrane overlap joint construction of personnel selection cost moreover with two-sided from pasting, provide simultaneously and use above-mentioned two-sided tunnel and the underground works waterproof layer from pasting.
The utility model adopts the following technical scheme:
a double-sided self-adhesive sheet for the lapping construction of waterproof coiled materials of tunnels and underground engineering comprises a high polymer material layer, wherein a reflecting layer and a self-adhesive layer are sequentially compounded on the upper part of the high polymer material layer; the lower part of the high polymer material layer is sequentially compounded with an HDPE waterproof layer and a self-adhesive layer.
Wherein, meshes are uniformly arranged on the high polymer material layer.
Wherein, the polymer material layer is any one of silicon rubber, acrylic acid, EVA, ethylene propylene diene monomer, chlorinated polyethylene or polyethylene polypropylene.
Wherein, the reflecting layer is a metal reflecting layer.
Wherein, the self-adhesion layer outside is provided with silicon oil layer and isolation layer.
Wherein, the isolation layer is a plastic film.
The utility model provides a contain above-mentioned two-sided from tunnel and underground works waterproof layer of pasting, its includes the base face, sets up the cement mortar layer on the base face, sets up the waterproofing roll material layer on the cement mortar layer and sets up the mould concrete layer on the waterproofing roll material layer, the waterproofing roll material layer is through two-sided self-adhesion overlap joint, the waterproofing roll material layer is through waterproof nail and cement mortar layer fixed connection.
And a waterproof gasket is arranged between the waterproof nail and the waterproof roll material layer.
Wherein, waterproof hot melt layer is provided with to waterproof nail outer end.
The beneficial effects of the utility model reside in that: the utility model discloses can solve that waterproofing membrane tradition welding process is complicated, lay the poor problem of quality. The lapping treatment is carried out on the waterproof coiled material through double-sided self-adhesion, the lapping treatment can be carried out at normal temperature, the problems of welding through and welding missing of workers are avoided, the length of the double-sided self-adhesion can be cut according to actual conditions, the labor cost can be effectively reduced, the engineering construction progress is accelerated, and the construction quality is improved; the utility model discloses it is good to have self-adhesive bonding property, and the cohesion is sufficient, the high physical characteristic of peel strength.
1. The utility model discloses a be used for tunnel and underground works waterproofing membrane to hang and spread the lapped two-sided self-pasting of method construction, owing to adopt self-adhesion to paste the mode of physical bonding with adjacent coiled material overlap joint in one, make the two form wholly, both saved the process, guaranteed the waterproof board water-proof effects again, improved the durability.
2. The utility model discloses a be used for tunnel and underground works waterproofing membrane to hang and spread the lapped two-sided self-pasting of method construction, lapping material length can be according to actual need predetermine to the producer, also can cut out on the spot, suits with the method that the waterproof layer was laid, has guaranteed the wholeness of waterproof layer, has greatly improved its waterproof ability.
3. The utility model discloses two-sided self-adhesion adopts extremely thin structure to constitute, combines waterproof nail to guarantee waterproofing membrane and concrete surface and pastes closely to two-sided self-adhesion itself has waterproof characteristic, makes the lapped inseparable no seepage of waterproofing membrane, simultaneously, the utility model discloses it is good to have self-adhesive bonding property, and the cohesion is sufficient, the physical property that peel strength is high.
4. The utility model discloses a be used for tunnel and underground works waterproofing membrane to hang two-sided self-pasting of shop method construction overlap joint, width 10 cm ~15 cm compares in traditional hot welding construction technology, and construction speed is faster, and the quality is higher.
Drawings
Fig. 1 is a schematic view of the cross-sectional structure of the double-sided adhesive tape of the present invention.
Fig. 2 is a schematic structural diagram of the polymer material layer.
Fig. 3 is the structure schematic diagram of the waterproof layer of the tunnel and the underground engineering of the utility model.
Detailed Description
Specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be noted that technical features or combinations of technical features described in the following embodiments should not be considered as being isolated, and they may be combined with each other to achieve better technical effects. In the drawings of the embodiments described below, the same reference numerals appearing in the respective drawings denote the same features or components, and may be applied to different embodiments.
Example 1
As shown in fig. 1 and 2, the double-sided self-adhesive waterproof roll material for the overlapping construction of the tunnel and the underground engineering comprises a high polymer material layer 1, wherein a reflecting layer 2 and a self-adhesive layer 3 are sequentially compounded on the upper part of the high polymer material layer 1; the lower part of the high polymer material layer 1 is sequentially compounded with an HDPE waterproof layer 6 and a self-adhesive layer 3.
The polymer material layer 1 is uniformly provided with meshes 7. The mesh can improve the compressibility of the polymer material layer. The high polymer material layer 1 is any one of silicon rubber, acrylic acid, EVA, ethylene propylene diene monomer, chlorinated polyethylene and polyethylene polypropylene. The reflecting layer 2 is a metal reflecting layer. The reflecting layer can be an aluminum foil layer or a silver foil layer, so that the heat conducting property of the material is improved, and the upper and lower waterproof rolls are prevented from being separated due to the difference of local temperature. And a silicon oil layer 4 and an isolating layer 5 are arranged on the outer side of the self-adhesive layer 3. The isolation layer 5 is a plastic film.
The width of the double-sided self-adhesive tape is 10-15 cm, and preferably, the width of the double-sided self-adhesive tape is 12 cm.
The physical and mechanical properties of the double-sided self-adhesive tape in this example were tested and the physical and mechanical properties are shown in table 1.
TABLE 1 the utility model discloses two-sided from physical mechanical properties index of pasting
As can be seen from the data results shown in Table 1, the peel strength of the double-sided self-adhesive tape of the present invention is more than 2 times of the national standard after inspection, and other properties meet the requirements of GB/T35467-.
Example 2
As shown in fig. 3, a tunnel and underground engineering waterproof layer including two-sided self-pasting in embodiment 1, it includes base surface 8, the cement mortar layer 9 that sprays that sets up on base surface 8, waterproof roll material layer 10 that sets up on cement mortar layer 9 and the mould concrete layer 11 that sets up on waterproof roll material layer 10, waterproof roll material layer 10 is through two-sided self-pasting 12 overlap joint, waterproof roll material layer 10 is through waterproof nail 13 and cement mortar layer 9 fixed connection.
And a waterproof gasket 14 is arranged between the waterproof nail 13 and the waterproof roll material layer 10. The outer end of the waterproof nail 13 is provided with a waterproof hot melt layer 15.
The construction method of the tunnel and underground engineering waterproof layer specifically comprises the following steps:
the method comprises the following steps: cleaning a laying base surface: the bottom plate cushion layer is self-leveled, the spray surface of the supporting structure is leveled by cement mortar, sharp objects such as concrete, steel bars and the like protruding from the surface of the base layer are firstly chiseled and cut, and then the cement mortar is troweled by 1: 2.5.
Step two: laying a high-molecular waterproof roll: the waterproof coiled material is tightly attached to the surface of the concrete, the waterproof coiled material is tightly attached to the surface of the concrete through the waterproof nails and the 4 multiplied by 4 mm waterproof gaskets, and the nails are covered by waterproof materials in a hot melting mode, so that water seepage at the positions of the nails is prevented.
Step three: tearing the plastic film, overlapping the waterproof layer: and (3) carrying out lap joint treatment on the waterproof coil material layer by using double-sided self-adhesion, carrying out annular and longitudinal lap joint for 10-15 cm, and repeatedly rolling by using a flattening pressing machine after the lap joint is finished.
Step four: and pouring the mold concrete.
The utility model discloses a be used for tunnel and underground works waterproofing membrane to hang two-sided self-pasting of shop method construction overlap joint, adopt extremely thin structure to constitute, combine waterproof nail to guarantee waterproofing membrane and concrete surface are close to be pasted, and two-sided self-pasting itself has that self-adhesive bonding property is good, the cohesion is sufficient, the physical characteristic that peel strength is high, make the lapped inseparable no seepage of waterproofing membrane; compared with the traditional hot welding construction process, the construction speed is higher, the quality is better, and the labor cost can be reduced; because the adjacent coiled materials are lapped together in a self-adhesive physical bonding mode, the coiled materials and the adjacent coiled materials form a whole, the working procedure is saved, the waterproof effect of the waterproof board is ensured, and the durability is improved; the length of the coiled material can be preset to a manufacturer according to actual needs, and can also be cut on site, so that the method is suitable for the method for laying the waterproof layer, the integrity of the waterproof layer is ensured, and the waterproof capability of the waterproof layer is greatly improved.
The above detailed description is specific to possible embodiments of the present invention, and the embodiments are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the present invention should be included within the scope of the present invention.
In addition, various modifications, additions and substitutions in form and detail may occur to those skilled in the art within the scope and spirit of the disclosure as claimed. It is understood that various modifications, additions, substitutions and the like are intended to be included within the scope of the invention as claimed.
Claims (9)
1. A double-sided self-adhesive sheet for the lapping construction of waterproof coiled materials of tunnels and underground engineering is characterized by comprising a high polymer material layer (1), wherein a reflecting layer (2) and a self-adhesive layer (3) are sequentially compounded on the upper part of the high polymer material layer (1); the lower part of the high polymer material layer (1) is sequentially compounded with an HDPE waterproof layer (6) and a self-adhesive layer (3).
2. The double-sided self-adhesive tape for the lapping construction of waterproof rolls for tunnels and underground projects according to claim 1, wherein meshes (7) are uniformly arranged on the polymer material layer (1).
3. The double-sided self-adhesive tape for the lapping construction of waterproof rolls of tunnels and underground projects according to claim 1, wherein the polymer material layer (1) is any one of silicone rubber, acrylic acid, EVA, ethylene propylene diene monomer, chlorinated polyethylene or polyethylene polypropylene.
4. The double-sided self-adhesive tape for the lapping construction of waterproof coiled materials for tunnels and underground projects according to claim 1, wherein the reflective layer (2) is a metal reflective layer.
5. The double-sided self-adhesive waterproof coiled material for the overlapping construction of tunnels and underground projects according to claim 1, wherein a silicone oil layer (4) and an isolating layer (5) are arranged on the outer side of the self-adhesive layer (3).
6. The double-sided self-adhesive tape for the lapping construction of waterproof coiled materials for tunnels and underground projects according to claim 5, wherein the isolation layer (5) is a plastic film.
7. A waterproof layer for double-sided self-adhesive tunnels and underground engineering, which comprises the waterproof layer according to any one of claims 1 to 4, and is characterized by comprising a base surface (8), a cement mortar layer (9) arranged on the base surface (8), a waterproof roll layer (10) arranged on the cement mortar layer (9), and a molded concrete layer (11) arranged on the waterproof roll layer (10); waterproof roll material layer (10) are through two-sided from pasting (12) overlap joint, waterproof roll material layer (10) are through waterproof nail (13) and cement mortar layer (9) fixed connection.
8. The waterproof layer for tunnel and underground engineering according to claim 7, characterized in that a waterproof gasket (14) is arranged between the waterproof nail (13) and the waterproof roll layer (10).
9. The waterproof layer for tunnel and underground engineering according to claim 7, wherein the waterproof heat fusion layer (15) is arranged at the outer end of the waterproof nail (13).
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CN202023006960.9U CN215152686U (en) | 2020-12-15 | 2020-12-15 | Double-sided self-adhesion for overlapping construction of waterproof coiled materials of tunnel and underground engineering |
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CN202023006960.9U CN215152686U (en) | 2020-12-15 | 2020-12-15 | Double-sided self-adhesion for overlapping construction of waterproof coiled materials of tunnel and underground engineering |
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CN202023006960.9U Active CN215152686U (en) | 2020-12-15 | 2020-12-15 | Double-sided self-adhesion for overlapping construction of waterproof coiled materials of tunnel and underground engineering |
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