CN110512805B - Use TPO waterproofing membrane's roofing waterproof construction - Google Patents
Use TPO waterproofing membrane's roofing waterproof construction Download PDFInfo
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- CN110512805B CN110512805B CN201910671968.XA CN201910671968A CN110512805B CN 110512805 B CN110512805 B CN 110512805B CN 201910671968 A CN201910671968 A CN 201910671968A CN 110512805 B CN110512805 B CN 110512805B
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D11/00—Roof covering, as far as not restricted to features covered by only one of groups E04D1/00 - E04D9/00; Roof covering in ways not provided for by groups E04D1/00 - E04D9/00, e.g. built-up roofs, elevated load-supporting roof coverings
- E04D11/02—Build-up roofs, i.e. consisting of two or more layers bonded together in situ, at least one of the layers being of watertight composition
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
Abstract
The invention discloses a roof waterproof structure applying TPO waterproof coiled materials, which comprises a roof, a rigid waterproof layer and a flexible waterproof layer, wherein the flexible waterproof layer comprises TPO waterproof coiled materials, the rigid waterproof layer forms an installation groove, a water-absorbing expansion rubber strip is arranged in the installation groove, and an arc-shaped groove is formed on the upper surface of the water-absorbing expansion rubber strip; the lower TPO waterproof coiled material consists of a lower main body part, a lower arc-shaped part and a lower end part, wherein the lower main body part and the lower end part are respectively positioned on two sides of the lower arc-shaped part and are both bonded with the rigid waterproof layer; the TPO waterproof coiled material on the upper layer consists of an upper layer main body part, an upper layer arc part and an upper layer end part, wherein the upper layer arc part and the lower layer arc part are arranged at intervals, the upper layer end part is bonded with the lower layer main body part, the upper layer end part and the lower layer main body part are bonded through a plurality of bonding points arranged at intervals, and the rest parts of the upper layer main body part are bonded with the rigid waterproof layer; the position that upper arc portion is close to the upper tip offers the inlet opening, and the position that lower floor's arc portion is close to the lower floor's tip offers down the inlet opening.
Description
Technical Field
The invention relates to the field of roof waterproofing, in particular to a roof waterproofing structure applying TPO waterproofing coiled materials.
Background
Roofing waterproofing typically includes roll roofing, film roofing, rigid roofing, tile roofing, and seam sealing.
TPO waterproofing membrane is thermoplastic polyolefin waterproofing membrane, is with adopting advanced polymerization technique to combine together ethylene propylene rubber and polypropylene Thermoplastic Polyolefin (TPO) synthetic resin as the base stock, adds the novel waterproofing membrane that antioxidant, antiager, softener were made, can make enhancement mode waterproofing membrane with polyester fiber net check cloth as inside reinforcing material, belongs to synthetic polymer waterproofing membrane class waterproof product.
The roof coiled material waterproof layer can refer to a single-layer waterproof coiled material roof disclosed in the publication number CN1026015A and a construction method thereof, the roof comprises a base layer, a steam-isolating layer, a heat-insulating layer and a waterproof layer, the base layer is a concrete roof panel or a steel plate, the steam-isolating layer, the heat-insulating layer and the waterproof layer are sequentially arranged on the base layer, the steam-isolating layer is a polyethylene film layer, and the polyethylene film layer is laid on the base layer in a hollow manner; the heat-insulating layer is fixed on the base layer through fixing gaskets and fixing nails; the waterproof layer is a single-layer thermoplastic polyolefin waterproof roll layer or a single-layer polyvinyl chloride waterproof roll layer, and is fixed on the base layer through a mechanical fixing method.
The adjacent waterproof coiled materials need to be filled with waterproof glue during splicing, but the waterproof glue is easy to age, so that leakage is easy to form.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a roof waterproof structure applying TPO waterproof coiled materials, which has better waterproof effect.
The technical purpose of the invention is realized by the following technical scheme: a roof waterproof structure applying TPO waterproof coiled materials comprises a roof and a rigid waterproof layer arranged on the roof, wherein a flexible waterproof layer is arranged on the rigid waterproof layer and comprises a plurality of pieces of TPO waterproof coiled materials laid side by side, each adjacent TPO waterproof coiled material is provided with an overlapping part, the rigid waterproof layer forms a mounting groove corresponding to the overlapping parts, a water-absorbing expansion rubber strip is arranged in the mounting groove, and the upper surface of the water-absorbing expansion rubber strip is inwards concave to form an arc-shaped groove; the lower TPO waterproof coiled material consists of a lower main body part, a lower arc part and a lower end part which are integrally formed, the lower arc part is abutted against the arc groove, and the lower main body part and the lower end part are respectively positioned on two sides of the lower arc part and are both bonded with the rigid waterproof layer; the TPO waterproof coiled material on the upper layer consists of an upper layer main body part, an upper layer arc part and an upper layer end part which are integrally formed, wherein the upper layer arc part and the lower layer arc part are arranged at intervals, the maximum interval position is not more than 2mm, the upper layer end part is bonded with the lower layer main body part through a plurality of bonding points arranged at intervals, and the rest parts of the upper layer main body part are bonded with the rigid waterproof layer; an upper water inlet hole is formed in the position, close to the upper end portion, of the upper-layer arc-shaped portion, and a lower water inlet hole is formed in the position, close to the lower end portion, of the lower-layer arc-shaped portion.
When raining, rainwater enters the lower water inlet hole from the upper water inlet hole along a gap formed by the upper arc part and the lower arc part, water is absorbed by the water-absorbing expansion rubber strips, the water-absorbing expansion rubber strips expand and protrude outwards, and the upper main body part, the upper end part, the lower main body part and the lower end part are fixed, so that the water-absorbing expansion rubber strips are limited to expand only until the lower arc part protrudes outwards, the upper arc part is driven by the lower arc part to protrude outwards, the upper water inlet hole and the water inlet hole are staggered, and the rainwater can only flow out from the gap between the upper end part and the lower main body part along the radian of the upper arc part (the gap forms a gap at the non-adhered position because the upper end part and the lower main body part are adhered through a plurality of adhesion points arranged at intervals); when the rain is not raining, the water-absorbing expansion rubber strips are dehydrated and reset after the rain is evaporated, and the walking is not easy to trip. The rainwater is absorbed by the water-absorbing expansion rubber strips immediately after entering the water-absorbing expansion rubber strips, and the rainwater does not enter the lower water inlet holes any more after the water-absorbing expansion rubber strips expand, so that the water absorbed by the water-absorbing expansion rubber strips is less, and the rainwater cannot leak.
Further, a cement mortar leveling layer and a foam concrete layer are sequentially arranged between the roof and the rigid waterproof layer from top to bottom.
The arrangement of the cement mortar leveling layer is convenient for leveling when the rigid waterproof layer is laid, and the foam concrete layer can play a role in heat preservation.
Furthermore, the rigid waterproof layer is formed by splicing stainless steel plates, the bottoms of the stainless steel plates are provided with saw-tooth-shaped bulges, and the surfaces of the stainless steel plates are coated with antirust paint.
Therefore, the stainless steel plate is not easy to move relative to the cement mortar leveling layer, and the service life of the stainless steel plate is greatly prolonged by the antirust paint.
Furthermore, a waterproof film is bonded on the inner wall of the mounting groove.
The waterproof film is arranged to avoid the contact of rainwater and the stainless steel plate and prolong the service life of the stainless steel plate
Furthermore, the splicing nodes of the stainless steel plates and the mounting grooves are staggered in the horizontal direction.
Even if the water-proof coiled material leaks water at the splicing part after long-term use, the stainless steel plate is not easy to leak water.
Further, the depth of the mounting groove does not exceed the thickness 1/2 of the rigid waterproof layer.
The mounting groove is too deep to affect the strength of the rigid waterproof layer.
Further, the TPO waterproof coiled material comprises the following components in parts by weight: 50 parts of thermoplastic polyolefin, 25 parts of low-density polyethylene, 25 parts of light calcium carbonate subjected to activity treatment by using a silane coupling agent, 0.2 part of UV-9 ultraviolet absorbent, 0.1 part of 1010 main antioxidant, 0.2 part of 168 auxiliary antioxidant, 0.3 part of stearic acid and 3.0 parts of titanium dioxide.
The TPO waterproof coiled material has excellent weather resistance, ageing resistance, fatigue resistance and puncture resistance.
Furthermore, a fiber net is laid in the foam concrete layer.
The setting of fibre web effectively promotes the bulk strength of foam concrete layer.
In conclusion, the invention has the following beneficial effects: the invention effectively improves the waterproof performance of the roof and is convenient to lay.
Drawings
FIG. 1 is a first schematic structural view of an embodiment, in a non-raining state;
FIG. 2 is a schematic structural diagram of the second embodiment, showing a raining state;
fig. 3 is a side view of fig. 2.
Reference numerals: 1. a roof; 2. a foamed concrete layer; 3. leveling layer of cement mortar; 4. a rigid waterproof layer; 41. a stainless steel plate; 411. a sawtooth-shaped bulge; 412. mounting grooves; 5. a water-resistant film; 6. a flexible waterproof layer; 7. water-absorbing expansion rubber strips; 71. an arc-shaped slot; 81. a lower main body part; 82. a lower arcuate portion; 821. a lower water inlet hole; 83. a lower end portion; 91. an upper body portion; 92. an upper layer arc portion; 921. an upper water inlet hole; 93. an upper layer end portion; 10. and (4) bonding points.
Detailed Description
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
A roof waterproof structure applying TPO waterproof coiled materials, as shown in figure 1, comprises a roof 1, a foam concrete layer 2, a cement mortar leveling layer 3, a rigid waterproof layer 4 and a flexible waterproof layer 6 from bottom to top.
In order to improve the strength of the foam concrete layer 2, a fiber net is laid in the foam concrete layer 2.
The rigid waterproof layer 4 is formed by splicing stainless steel plates 41, the bottom of the stainless steel plates 41 is provided with saw-tooth-shaped protrusions 411, and the surface of the stainless steel plates 41 is coated with antirust paint.
Flexible waterproof layer 6 includes the TPO waterproofing membrane that the multi-disc was laid side by side, and adjacent TPO waterproofing membrane has an overlap portion, and stainless steel plate 41's splicing node staggers in the horizontal direction with mounting groove 412, and stainless steel plate 41 corresponds the overlap portion and forms a mounting groove 412, and the degree of depth of mounting groove 412 is no longer than stainless steel plate 41 thickness 1/2. Waterproof membrane 5 is bonded on the inner wall of mounting groove 412, and a water absorption expansion rubber strip 7 is arranged in mounting groove 412, and water absorption expansion rubber strip 7 and stainless steel plate 41 are separated by waterproof membrane 5, and the upper surface of water absorption expansion rubber strip 7 is concave inwards to form an arc-shaped groove 71.
The TPO waterproofing membrane of lower floor comprises integrated into one piece's lower floor main part 81, lower floor arc portion 82 and lower floor tip 83, and lower floor arc portion 82 and arc groove 71 butt, lower floor main part 81 and lower floor tip 83 are located lower floor arc portion 82 both sides respectively and all bond with rigid waterproof layer 4. TPO waterproofing membrane on upper strata comprises integrated into one piece's upper strata main part 91, upper arc portion 92 and upper end 93, and upper arc portion 92 sets up with lower floor's arc portion 82 interval, and the biggest department in interval is no longer than 2 mm. The upper end 93 and the lower body 81 are bonded to each other by a plurality of bonding points 10 provided at intervals, the portion of the upper body 91 covering the lower end 83 is bonded to the lower end 83, and the remaining portion of the upper body 91 is bonded to the rigid waterproof layer 4. The upper water inlet hole 921 is opened at the position of the upper arc part 92 close to the upper end 93, and the lower water inlet hole 821 is opened at the position of the lower arc part 82 close to the lower end 83. The upper inlet hole 921 is a long hole, and the length thereof is slightly smaller than the length of the upper arc-shaped portion 92 (see fig. 3), and the lower inlet hole 821 is a long hole, and the length thereof is slightly smaller than the length of the lower arc-shaped portion 82.
The TPO waterproof coiled material comprises the following components in parts by weight: 50 parts of thermoplastic polyolefin, 25 parts of low-density polyethylene, 25 parts of light calcium carbonate subjected to activity treatment by using a silane coupling agent, 0.2 part of UV-9 ultraviolet absorbent, 0.1 part of 1010 main antioxidant, 0.2 part of 168 auxiliary antioxidant, 0.3 part of stearic acid and 3.0 parts of titanium dioxide.
The production process of the TPO waterproof coiled material comprises the following steps:
a. kneading: adding 25 parts of low-density polyethylene (LDPE), 25 parts of light calcium carbonate subjected to silane coupling agent activation treatment, 0.2 part of UV-9 ultraviolet absorbent, 0.1 part of 1010 main antioxidant and 0.2 part of 168 auxiliary antioxidant into a high-speed kneader for kneading, wherein before the addition, the temperature in the kneader is kept at 90 +/-5 ℃, the kneading time is 5 minutes, and the pressure in the kneader is 0.4 +/-0.1 MPa in the kneading process, so as to ensure that the materials are uniformly dispersed;
uniformly adding 0.2-0.5 part of stearic acid into a high-speed kneading mechanism, keeping the kneading temperature in a kneader at 90 +/-5 ℃, kneading for 1 minute at constant temperature, keeping the pressure in the kneader at 0.4 +/-0.1 MPa in the kneading process, and uniformly dispersing the stearic acid;
b. and (3) granulation: granulating the kneaded material through a granulator to uniformly disperse the granules and the powder; controlling the temperature of a double-screw cylinder to be kept at 150 ℃ during granulation, and setting the temperature of a machine head at 175 ℃ to prepare a master batch;
c. extrusion and calendering: when a screw extruder is adopted for extrusion, POE granules and master batch are uniformly mixed, and are plasticized and extruded by the double-screw extruder, the temperature of a machine barrel is controlled to be 190 +/-10 ℃, the temperature of a die head is controlled to be 200 +/-10 ℃, the temperature of a machine head is controlled to be 220 +/-10 ℃ in the extrusion process, wherein the temperature of the machine head is gradually increased from the middle to two sides;
d. and (4) calendering and molding by a three-roller calender and cooling by air cooling.
The working principle is as follows: when raining, rainwater enters the lower water inlet hole 821 from the upper water inlet hole 921 along the gap formed by the upper arc-shaped part 92 and the lower arc-shaped part 82, water is absorbed by the water-absorbing expansion rubber strip 7, the water-absorbing expansion rubber strip 7 expands and protrudes outwards, because the upper main body part 91, the upper end part 93, the lower main body part 81 and the lower end part 83 are fixed, the water-absorbing expansion rubber strip 7 is limited to expand only until the lower arc-shaped part 82 protrudes outwards, and the upper arc-shaped part 92 is driven by the lower arc-shaped part 82 to protrude outwards at the same time, so that the upper water inlet hole 921 and the water inlet hole are staggered (as shown in fig. 2), and rainwater can only flow out from the gap between the upper end part 93 and the lower main body part 81 along the radian of the upper arc-shaped part 92 (the gap forms a gap because the upper end part 93 and the lower main body part 81 are bonded through a plurality of; when the rain does not fall, the water absorption expansion rubber strip 7 loses water and resets after the rain water is evaporated. Since the rainwater is absorbed by the water-absorbing expansion rubber strip 7 immediately after entering, and the rainwater does not enter the lower water inlet hole 821 any more after the water-absorbing expansion rubber strip 7 expands, the water absorbed by the water-absorbing expansion rubber strip 7 is less, and the rainwater cannot leak.
Claims (8)
1. The utility model provides an use TPO waterproofing membrane's roofing waterproof construction, includes roofing (1), sets up rigidity waterproof layer (4) on roofing (1), its characterized in that: the waterproof structure is characterized in that a flexible waterproof layer (6) is arranged on the rigid waterproof layer (4), the flexible waterproof layer (6) comprises a plurality of TPO waterproof rolls which are laid side by side, each adjacent TPO waterproof roll is provided with an overlapping part, the rigid waterproof layer (4) forms a mounting groove (412) corresponding to the overlapping part, a water-absorbing expansion rubber strip (7) is arranged in the mounting groove (412), and the upper surface of the water-absorbing expansion rubber strip (7) is inwards concave to form an arc-shaped groove (71); the lower TPO waterproof roll consists of an integrally formed lower main body part (81), a lower arc-shaped part (82) and a lower end part (83), wherein the lower arc-shaped part (82) is abutted against the arc-shaped groove (71), and the lower main body part (81) and the lower end part (83) are respectively positioned on two sides of the lower arc-shaped part (82) and are both bonded with the rigid waterproof layer (4); the TPO waterproof roll material on the upper layer consists of an upper layer main body part (91), an upper layer arc part (92) and an upper layer end part (93) which are integrally formed, wherein the upper layer arc part (92) and the lower layer arc part (82) are arranged at intervals, the maximum interval position does not exceed 2mm, the upper layer end part (93) and the lower layer main body part (81) are bonded through a plurality of bonding points (10) which are arranged at intervals, the part of the upper layer main body part (91) covering the lower layer end part (83) is bonded with the lower layer end part (83), and the rest part of the upper layer main body part (91) is bonded with the rigid waterproof layer (4); an upper water inlet hole (921) is formed in the position, close to the upper end portion (93), of the upper-layer arc-shaped portion (92), and a lower water inlet hole (821) is formed in the position, close to the lower end portion (83), of the lower-layer arc-shaped portion (82).
2. The roofing waterproofing structure using a TPO waterproofing membrane according to claim 1, wherein: a cement mortar leveling layer (3) and a foam concrete layer (2) are sequentially arranged between the roof (1) and the rigid waterproof layer (4) from top to bottom.
3. The roofing waterproofing structure using a TPO waterproofing membrane according to claim 2, wherein: the rigid waterproof layer (4) is formed by splicing stainless steel plates (41), the bottom of each stainless steel plate (41) is provided with a sawtooth-shaped bulge (411), and the surface of each stainless steel plate (41) is coated with antirust paint.
4. The roofing waterproofing structure using a TPO waterproofing membrane according to claim 3, wherein: the inner wall of the mounting groove (412) is adhered with a waterproof membrane (5).
5. The roofing waterproofing structure using a TPO waterproofing membrane according to claim 3, wherein: the splicing node of the stainless steel plate (41) and the mounting groove (412) are staggered in the horizontal direction.
6. The roofing waterproofing structure using a TPO waterproofing membrane according to claim 1, wherein: the TPO waterproof coiled material comprises the following components in parts by weight: 50 parts of thermoplastic polyolefin, 25 parts of low-density polyethylene, 25 parts of light calcium carbonate subjected to activity treatment by using a silane coupling agent, 0.2 part of UV-9 ultraviolet absorbent, 0.1 part of 1010 main antioxidant, 0.2 part of 168 auxiliary antioxidant, 0.3 part of stearic acid and 3.0 parts of titanium dioxide.
7. The roofing waterproofing structure using a TPO waterproofing membrane according to claim 1, wherein: the depth of the mounting groove (412) does not exceed the thickness 1/2 of the rigid waterproof layer (4).
8. The roofing waterproofing structure using a TPO waterproofing membrane according to claim 2, wherein: and a fiber net is laid in the foam concrete layer (2).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910671968.XA CN110512805B (en) | 2019-07-24 | 2019-07-24 | Use TPO waterproofing membrane's roofing waterproof construction |
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| CN201910671968.XA CN110512805B (en) | 2019-07-24 | 2019-07-24 | Use TPO waterproofing membrane's roofing waterproof construction |
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| CN110512805A CN110512805A (en) | 2019-11-29 |
| CN110512805B true CN110512805B (en) | 2020-10-27 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113323286A (en) * | 2021-06-08 | 2021-08-31 | 杨明亮 | Building roof waterproof construction |
| CN113653267A (en) * | 2021-08-05 | 2021-11-16 | 胡云飞 | Waterproof coiled material |
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| CN105089210A (en) * | 2015-08-24 | 2015-11-25 | 唐山德生防水股份有限公司 | Double-layer-waterproof double-layer-water-draining double-layer-heat-insulation roof structure and construction method thereof |
| CN205990705U (en) * | 2016-08-31 | 2017-03-01 | 宁夏大学 | Inversion type water-proof roofing |
| CN107143098B (en) * | 2017-07-12 | 2023-06-27 | 天元建设集团有限公司 | Metal roof secondary waterproof structure and construction method |
| CN109441113A (en) * | 2018-12-26 | 2019-03-08 | 首钢水城钢铁(集团)赛德建设有限公司 | Roof waterproof engineering construction method |
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Effective date of registration: 20210412 Address after: 225300 Suchen Town, Hailing District, Taizhou City, Jiangsu Province (Suchen) Patentee after: Jiangsu Zhengfei Construction Co.,Ltd. Address before: 213000 65 Yanshan Road, Licheng Town, Liyang City, Changzhou City, Jiangsu Province Patentee before: Jiangsu Maosheng Construction Group Co.,Ltd. |