Waterproof roll paving structure

By setting connecting strips on the back of the waterproof membrane and fixing it with cement nails, the problem of poor sealing during the hot-melt installation of the waterproof membrane was solved, achieving high-efficiency waterproofing performance and construction efficiency.

CN223675395UActive Publication Date: 2025-12-16CHINA RAILWAY 19TH BUREAU GRP FIFTH ENG CO LTD +1
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Patent Information

Application Number
CN202423064055.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-11
Publication Date
2025-12-16
Estimated Expiration
2034-12-11

AI Technical Summary

Technical Problem

During the hot-melt installation of waterproof membrane, the main membrane is easily burned, resulting in poor sealing and becoming a weak point for water leakage, making it difficult to achieve a completely sealed waterproof effect.

Method used

The waterproof membrane paving structure includes initial support, geotextile buffer layer, membrane, connecting strip, first gasket and cement nails. By setting connecting strips on the back of the membrane and fixing it with cement nails, direct heat fusion welding to the geotextile buffer layer is avoided, thus improving the sealing performance.

Benefits of technology

It improves the sealing performance and construction efficiency of waterproof membranes, reduces construction costs, avoids membrane burns, and enhances waterproofing effects.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of waterproof construction, and discloses and provides a waterproof coiled material paving structure which comprises a primary support, a geotechnical cloth buffer layer, coiled materials, connecting belts, first gaskets and cement nails, the geotechnical cloth buffer layer is paved on the base surface of the primary support, the coiled materials are paved on the geotechnical cloth buffer layer, the connecting belts are arranged on the coiled materials, and the first gaskets are arranged on the connecting belts. One end of the connecting band is hot-melted on the back surface of the coiled material, the first gasket is hot-melted on the other end of the connecting band, the other end of the connecting band is folded, the first gasket is arranged between the two end parts of the connecting band, the cement nail penetrates through the first gasket, the other end of the connecting band and the geotechnical cloth buffer layer and is fixed on the primary support, and the coiled material and the connecting band are both made of waterproof materials; according to the waterproof coiled material paving structure, the coiled material is prevented from being directly welded to the geotextile buffer layer in a hot melting mode, the waterproof performance is improved, and the construction efficiency is high.
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Description

TECHNICAL FIELD

[0001] The utility model relates to waterproof construction technical field especially relates to a waterproof roll material paving structure. BACKGROUND

[0002] Waterproof roll material is a kind of flexible building material product that can be rolled, mainly used in building wall, roof, and tunnel, highway, landfill site etc., to resist external rainwater, groundwater leakage, a kind of flexible building material product that can be rolled into roll, as the impermeable connection between engineering foundation and building, it is the first barrier of the entire engineering waterproofing. In underground engineering construction, especially in the process of subway station engineering construction, some external waterproof roll material is used to prevent the leakage of subway station main structure, and the technical points of the use of external waterproof roll material are to achieve basic sealing, only the sealing of external waterproof roll material can bring the effect of preventing leakage.

[0003] But in actual construction, it is very difficult to achieve complete sealing, and the sealing of external waterproof roll material is often not tight, especially in the process of hot melt installation of waterproof roll material, the main roll material is directly hot melt installed on the geotextile, and the main roll material is easily burned, and the burned part will become a weak point of water leakage. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at providing a kind of waterproof roll material paving structure, construction efficiency is high, and waterproof performance is excellent.

[0005] To achieve this purpose, the utility model adopts the following technical solutions:

[0006] A kind of waterproof roll material paving structure, including primary support, geotextile buffer layer, roll material, connecting band, first gasket and cement nail, the geotextile buffer layer is laid on the base surface of the primary support, the roll material is laid on the geotextile buffer layer, and a plurality of connecting bands are provided on the roll material, one end of the connecting band is hot melt on the back of the roll material, the first gasket is hot melt on the other end of the connecting band, the other end of the connecting band is folded, and the first gasket is placed between the two end portions of the connecting band, the cement nail penetrates the first gasket, the other end of the connecting band, the geotextile buffer layer and is fixed to the primary support, and the roll material and the connecting band are made of waterproof material.

[0007] As preferred, the middle region of the first gasket is provided with a recess portion, the recess portion is recessed towards the primary support, the edge of the first gasket is circumferentially provided with a folding edge, the folding edge is flush with the recess portion, and the cement nail penetrates the recess portion.

[0008] As preferred, the first gasket is made of plastic.

[0009] As preferred, the waterproofing membrane paving structure further comprises a second gasket, the second gasket is arranged in the recess, and the cement nail penetrates through the second gasket and then penetrates through the first gasket.

[0010] As preferred, the second gasket is clamped in the recess.

[0011] As preferred, the second gasket is made of iron material.

[0012] As preferred, the first gasket is circular.

[0013] As preferred, the width of the connecting belt is 4-6cm, and the length of the connecting belt is 15-20cm.

[0014] As preferred, the cement nail is shot by a nail gun.

[0015] As preferred, the connecting belt is made of leftover material of the membrane.

[0016] The beneficial effects of the utility model are as follows:

[0017] The utility model provides a waterproofing membrane paving structure, including initial support, geotextile buffer layer, membrane, connecting belt, first gasket and cement nail, the geotextile buffer layer is laid in the base surface of initial support, and the membrane is laid in the geotextile buffer layer, and a plurality of connecting belts are arranged on the membrane, one end of the connecting belt is hot melt in the back of the membrane, the first gasket is hot melt in the other end of the connecting belt, the other end of the connecting belt is folded, and the first gasket is arranged between the two end portions of the connecting belt, and the cement nail penetrates through the first gasket, the other end of the connecting belt, the geotextile buffer layer and is fixed in initial support, and the membrane and the connecting belt are made of waterproof material;The waterproofing membrane paving structure provided by the utility model sets up the connecting belt on the back of the membrane, thereby avoiding that the membrane is directly hot melt welded in the geotextile buffer layer, improves waterproof performance, and construction efficiency is high. ACCURACY OF DRAWINGS

[0018] Figure 1 It is the structure schematic diagram of the waterproofing membrane paving structure provided by the utility model embodiment;

[0019] Figure 2 It is the assembly schematic diagram of the first gasket and the second gasket provided by the utility model embodiment.

[0020] In the drawing:

[0021] 1, initial support;2, geotextile buffer layer;3, membrane;4, connecting belt;5, first gasket;51, recess;52, folded edge;6, cement nail;7, second gasket. DETAILED DESCRIPTION

[0022] The utility model will be further explained in detail below in combination with the drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the utility model and not limit the utility model. In addition, it should be noted that only the parts related to the utility model are shown in the drawings for ease of description, not all the structures.

[0023] In the description of the utility model, unless otherwise explicitly specified and limited, the terms "connected", "connected", "fixed" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrated; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium, it can be the communication inside two elements or the interaction relationship of two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0024] In the utility model, unless otherwise explicitly specified and limited, the first feature is "on" or "below" the second feature, which can include direct contact of the first and second features, or indirect contact of the first and second features through another feature between them. Moreover, the first feature "on", "above" and "above" the second feature includes that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature includes that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0025] In the description of the embodiment, the terms "up", "down", "right", etc. orientation or position relationship is based on the orientation or position relationship shown in the drawings, only for the convenience of description and simplification of operation, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" are only used to distinguish in description and have no special meaning.

[0026] In the process of underground engineering construction, especially subway station engineering construction, some external waterproofing membrane is used to prevent the main structure of subway station from leaking, and the technical key point of the use of external waterproofing membrane is to achieve basic sealing. Only the sealing property of the external waterproofing membrane can be ensured, the effect of preventing leakage can be achieved. However, in actual construction, the sealing of the external waterproofing membrane is often not tight, especially in the process of hot melting installation of the main waterproofing membrane on the geotextile, the main waterproofing membrane is easily burned, and the burned part will become a weak point of water leakage.

[0027] Therefore, the embodiment provides the waterproof roll material paving structure, avoids that the roll material is directly hot melt welded to the geotextile buffer layer, improves the waterproof performance, and is high in construction efficiency.

[0028] Please refer to Figure 1 and Figure 2 The waterproof roll material 3 paving structure comprises the primary support 1, the geotextile buffer layer 2 and the roll material 3, the geotextile buffer layer 2 is laid on the base surface of the primary support 1, on the one hand, plays a role of isolation and protection, prevents the surface of the primary support from being damaged in the subsequent construction process, on the other hand, can help water, reduce the influence of water pressure on the structure, and improve the safety of the structure, and the roll material 3 is laid on the geotextile buffer layer 2 to prevent water seepage.

[0029] The roll material 3 is made of waterproof material, for example, SBS modified bitumen waterproof roll material 3, PVC waterproof roll material 3 and the like, is selected according to the actual needs of the project (such as water pressure, environmental conditions and the like), and is not specifically limited here.

[0030] The waterproof roll material paving structure further comprises a connecting belt 4, and the connecting belt 4 is also made of waterproof material. Specifically, the connecting belt 4 is provided with a plurality of connecting belts 4, and the plurality of connecting belts 4 are all arranged on the roll material 3, and the connecting belt 4 is used to connect the roll material 3 and the primary support 1. Preferably, the plurality of connecting belts 4 are uniformly distributed on the back of the roll material 3, so that the connection strength between the roll material 3 and the primary support 1 is uniform.

[0031] One end of the connecting belt 4 is hot melt welded to the back of the roll material 3, and the length of about 5-8 cm of one end of the connecting belt 4 is hot melt welded to the roll material 3, so as to prevent the connecting belt 4 from falling off, and further, the hot melt form of the connecting belt is selected as a plum blossom type or a rectangle according to the actual situation, and is not specifically limited here.

[0032] One end of the connecting belt 4 is hot melt welded to the back of the roll material 3 using a hot air gun, which is simple and easy to operate, and the hot air gun is a commonly used device in the prior art, which will not be described here.

[0033] Further, the other end of the connecting belt 4 is provided with a first gasket 5, and a cement nail 6 penetrates the first gasket 5, the other end of the connecting belt 4, the geotextile buffer layer 2 and the primary support 1 in sequence, and the first gasket 5 is shot on the geotextile buffer layer 2 and the primary support 1, so as to fix the other end of the connecting belt 4 on the primary support 1. Through the above arrangement, the roll material 3 can be avoided to be directly hot melt welded to the geotextile buffer layer 2, the roll material 3 is prevented from being burned, the sealing performance of the roll material 3 is improved, and then the waterproof performance is improved.

[0034] The cement nail 6 is shot by a nail gun, so as to reduce manpower and improve construction efficiency. The nail gun is a commonly used device in the prior art, which will not be described here.

[0035] Preferably, the other end of the connecting band 4 is folded, the front of the connecting band 4 is hot melt welded to the waterproof roll 3, and the back of the connecting band 4 is provided with the first gasket 5, so that the first gasket 5 is arranged between the two ends of the connecting band 4, preventing the waterproof roll 3 from being pulled or laid unevenly during laying. Further preferably, the connecting band 4 is also made of waterproof material.

[0036] In the embodiment, the connecting band 4 is cut from the leftover of the waterproof roll 3, which is green and saves construction cost.

[0037] For example, the width of the connecting band 4 is 4-6 cm, and the length of the connecting band 4 is 15-20 cm.

[0038] Specifically, the first gasket 5 is hot melt welded to the other end of the connecting band 4, and the connection strength is large.

[0039] In the embodiment, the first gasket 5 is made of plastic, so as to be hot melt welded to the connecting band 4.

[0040] By arranging the first gasket 5, a continuous and uninterrupted sealing effect can be formed by hot melt welding, effectively preventing water from penetrating, and improving the welding quality.

[0041] Preferably, the edge of the first gasket 5 is provided with a folding edge 52, and the folding edge 52 is circumferentially abutted to the connecting band 4. Further preferably, the middle region of the first gasket 5 is provided with a recess 51, the recess 51 is recessed towards the primary support 1, the recess 51 is flush with the folding edge 52, and the cement nail 6 penetrates the recess 51.

[0042] Adaptively, the first gasket 5 is in a circular structure.

[0043] Further, the waterproof roll laying structure further comprises a second gasket 7, the second gasket 7 is arranged in the recess 51, and the cement nail 6 penetrates the second gasket 7, the first gasket 5, the other end of the connecting band 4, the geotextile buffer layer 2 and the primary support 1 in sequence. By arranging the second gasket 7, the penetration strength is further improved.

[0044] Optionally, the second gasket 7 is made of iron material.

[0045] Still further, the second gasket 7 is clamped in the recess 51 in the middle region of the first gasket 5.

[0046] The waterproof roll laying structure provided in the embodiment comprises the following steps during laying:

[0047] First, cut a plurality of connecting bands 4 with a width of 4-6 cm and a length of 15-20 cm from the leftover of the waterproof roll 3;

[0048] Secondly, the coiled material 3 is laid on a dry and flat processing site, and one end of the connecting belt 4 is hot melt welded on the coiled material 3 by using a hot air gun;

[0049] Further, after the base surface treatment of the primary support 1 is completed and accepted, the geotextile buffer layer 2 is laid according to the design requirements;

[0050] Further, the second gasket 7 is clamped in the recessed part 51 of the first gasket 5, and the first gasket 5 is hot melt welded on the other end of the connecting belt 4;

[0051] Finally, the nail gun is used to set the cement nails 6, the cement nails 6 are sequentially penetrated through the first gasket 5, the other end of the connecting belt 4, the geotextile buffer layer 2 and the primary support 1, and the first gasket 5 is shot on the geotextile buffer layer 2 and the primary support 1, so that the other end of the connecting belt 4 is fixed on the primary support 1.

[0052] The waterproof coiled material laying structure provided by the embodiment can avoid that the coiled material 3 is directly hot melt welded on the geotextile buffer layer 2, improve the waterproof performance, reduce the construction cost, and improve the construction efficiency by hot melt welding one end of the connecting belt 4 on the coiled material 3 in advance on the processing site.

[0053] Obviously, the above embodiments of the utility model are only examples for clearly explaining the utility model, and are not the limitation of the embodiments of the utility model. For ordinary skilled in the art, various obvious changes, re-adjustment and replacement can be carried out without departing from the protection scope of the utility model. Here, all the embodiments need not and cannot be exhausted. Any modification, equivalent replacement and improvement within the spirit and principle of the utility model should be included in the protection scope of the utility model claim.

Claims

1. A waterproofing membrane roofing structure, characterized in that, The waterproofing membrane (3) and the connecting belt (4) are made of waterproof material.

2. A waterproofing membrane roofing structure according to claim 1, wherein The middle area of the first gasket (5) is provided with a recess (51) which is recessed towards the primary support (1), and the edge of the first gasket (5) is circumferentially provided with a folded edge (52) which is flush with the recess (51), and the cement nail (6) penetrates the recess (51).

3. A waterproofing membrane roofing structure according to claim 1, wherein The first gasket (5) is made of plastic.

4. A waterproofing membrane roofing structure according to claim 2, wherein The waterproofing membrane (3) and the connecting belt (4) are made of waterproof material.

5. A waterproofing membrane roofing structure according to claim 4, wherein The second gasket (7) is made of iron material.

6. A waterproofing membrane roofing structure according to claim 4, wherein The first gasket (5) is circular.

7. A waterproofing membrane roofing structure as defined in any one of claims 1 to 6, wherein, The width of the connecting belt (4) is 4-6 cm, and the length of the connecting belt (4) is 15-20 cm.

8. A waterproofing membrane roofing structure as defined in any one of claims 1 to 6, wherein, The cement nail (6) is shot by a nail gun.

9. A waterproofing membrane roofing structure as defined in any one of claims 1 to 6, wherein, The connecting belt (4) is made of leftover material of the waterproofing membrane (3).

10. A waterproofing membrane roofing structure as defined in any one of claims 1 to 6, wherein, ​