CN110641110A

CN110641110A - TPO modified self-adhesive waterproof coiled material

Info

Publication number: CN110641110A
Application number: CN201910995491.0A
Authority: CN
Inventors: 叶和新
Original assignee: Nanjing Lutie Plastic Products Co Ltd
Current assignee: Nanjing Lutie Plastic Products Co Ltd
Priority date: 2019-10-18
Filing date: 2019-10-18
Publication date: 2020-01-03

Abstract

The invention discloses a TPO modified self-adhesive waterproof coiled material, which relates to a waterproof coiled material and aims to solve the technical problem that in the prior art, water falls on the waterproof coiled material and the waterproof coiled material becomes heavy and is easy to fall off a tunnel; can reduce water with this and drip into the tunnel, can in time drain away water through the escape canal to can reduce the water of accumulation on the drainage blanket, be favorable to reducing waterproofing membrane heaviness and lead to the possibility that drops easily.

Description

TPO modified self-adhesive waterproof coiled material

Technical Field

The invention relates to a waterproof coiled material, in particular to a TPO modified self-adhesive waterproof coiled material.

Background

The waterproof roll is mainly used for building walls, roofs, tunnels, highways, refuse landfills and the like, and can resist external rainwater and underground water leakage. In the tunnel engineering, before the secondary lining construction of the tunnel, the side wall and the arch part of the tunnel after primary support are required to be subjected to waterproof and drainage construction so as to prevent the water leakage phenomenon of the tunnel in the operation process. In engineering construction, a sling type waterproof board is generally adopted, a sling is compounded on one surface of the waterproof board according to a fixed interval during production, a hook is driven into a tunnel primary support, and then the sling of the waterproof board is tied to the hook.

The application publication number CN105291521A discloses a tunnel anti-permeability and anti-puncture PE, EVA and glass fiber waterproof roll and a construction method thereof, belonging to the technical field of waterproof materials. The insulation film comprises an insulation film protection layer, a PE layer and a bonding sealing adhesive layer, wherein the PE layer is arranged between the insulation film protection layer and the bonding sealing adhesive layer, and the insulation film protection layer and the bonding sealing adhesive layer are bonded into a whole through hot pressing; the thickness of the PE layer is 0.5-3.0mm, and the protective layer of the isolating film is a polyvinyl chloride film, a polyester film or isolating paper or other films with isolating and protecting functions. The membrane prepared by the invention is used for waterproof construction, and has the advantages of simple structure, convenient construction and good waterproof effect. The construction method is simple and easy to implement, convenient to operate and wide in market space.

When the waterproof roll material in the prior art is used, the bonding sealing adhesive layer is adhered in the tunnel, and then the bonding sealing adhesive layer is bonded with concrete; however, in practical application, because the soil layer is easy to seep water, water is easy to accumulate on the waterproof roll, the weight of the waterproof roll is increased, and the waterproof roll is easy to fall off from the inner side wall of the tunnel.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a TPO modified self-adhesive waterproof coiled material which has the advantage that the waterproof coiled material is not easy to fall off.

The above object of the present invention is achieved by the following technical solutions:

the utility model provides a modified self-adhesion waterproofing membrane of TPO, includes adhesive layer and the isolation layer that sets gradually to one side of keeping away from the tunnel lateral wall by one side that is close to the tunnel lateral wall, still including setting up the adhesive layer is kept away from the waterproof layer of isolation layer one side, the waterproof layer is kept away from one side of adhesive layer is equipped with the drainage blanket, the drainage blanket is kept away from one side of waterproof layer is equipped with a plurality of escape canal, the width direction setting in tunnel is followed to the escape canal, a plurality of is equipped with and colludes the go-between that links with the couple on the lateral wall of drainage blanket, the go-between is located adjacently between.

Through adopting above-mentioned technical scheme, after the tunnel excavation finishes, when preventing drainage construction, drainage blanket and waterproof layer are laid to the workman, utilize the connecting ring hook on the couple, thereby on the tunnel inside wall that drainage blanket and waterproof layer are fixed, uncover the isolation layer again, connect through adhesive layer and concrete layer, in long-term the use, on water falls on the drainage blanket, flow into again in the escape canal, thereby can drain away water smoothly, the rethread waterproof layer blocks water, so that can reduce in the water tunnel, can in time drain away water through the escape canal, thereby can reduce the water that accumulates on the drainage blanket, be favorable to reducing the possibility that waterproofing membrane heaviness leads to droing easily.

Further, one side that the waterproof layer was kept away from to the drainage blanket is equipped with a plurality of filter screen, the filter screen is located the top in escape canal.

Through adopting above-mentioned technical scheme, utilize the filter screen, filter the sand grain of water clamp area, be favorable to reducing the sand grain and block up the possibility in escape canal, the long-term effectual drainage that carries on in escape canal.

Furthermore, a groove is formed in one side, close to the waterproof layer, of the drainage layer and is located below the drainage ditch, and the groove is formed in the width direction of the tunnel;

be equipped with the enhancement layer between drainage blanket and the waterproof layer, be equipped with on the lateral wall of enhancement layer and insert the enhancement strip of recess, the enhancement layer is close to one side of drainage blanket is equipped with the adhesive layer with the drainage blanket is sticky.

Through adopting above-mentioned technical scheme, utilize the adhesion layer, with the enhancement layer adhesion on the drainage blanket, strengthen the intensity of drainage blanket, during the adhesion, will strengthen the strip and insert the recess, increase the intensity of drainage blanket at the groove through strengthening the strip, reduce the recess and hold the water and produce the possibility of warping, be favorable to reducing waterproofing membrane and hold the possibility that produces the deformation after the water becomes heavy.

Further, the reinforcing layer is a PVC coil layer.

Through adopting above-mentioned technical scheme, when the adhesion enhancement layer, because the PVC coiled material has soft cold-resistant, wear-resisting, acidproof, alkali, corrosion-resistant, tear resistance's good characteristic to can be convenient for adhere the enhancement layer on the drainage blanket.

Further, be equipped with the mounting groove on the end wall of reinforcing bar and along the width direction in tunnel, wear to be equipped with the billet in the mounting groove, the diameter of billet is more than or equal to the groove width of mounting groove.

Through adopting above-mentioned technical scheme, the diameter that utilizes the billet is greater than the groove width of mounting groove, and the material of enhancement layer is soft, inserts the mounting groove with the enhancement strip in, widens the width of mounting strip to can strengthen the installation stability of mounting strip in the recess.

Furthermore, the waterproof layer is provided with an anticorrosive coating on one side close to the reinforcing layer, and the anticorrosive coating is an epoxy resin layer.

By adopting the technical scheme, the corrosion-resistant layer is utilized, so that the corrosion of water to the waterproof layer is reduced, and the waterproof layer can effectively prevent water for a long time.

Further, the waterproof layer includes waterproof roll material layer and lower waterproof roll material layer, it is equipped with a plurality of spread groove to go up one side that waterproof roll material layer is close to waterproof roll material layer down, the spread groove sets up along the width direction in tunnel, be equipped with down on the lateral wall on waterproof roll material layer with the unsmooth complex connecting block of spread groove.

By adopting the technical scheme, the waterproof effect of the waterproof roll is improved by utilizing the double-layer waterproof of the upper waterproof roll layer and the lower waterproof roll layer; the concave-convex matching of the connecting block and the connecting groove is beneficial to increasing the connection stability of the upper waterproof roll layer and the lower waterproof roll layer; because the connecting block sets up on waterproof roll material layer down, has increased the longitudinal section area on waterproof roll material layer down to can increase the intensity on waterproof roll material layer down, and then can increase waterproof roll material's intensity, reduce its possibility of collapsing.

Further, the adhesive layer and the adhesion layer are both polyurethane adhesive layers.

By adopting the technical scheme, the polyurethane adhesive layer has good water resistance, high adhesive strength, freeze-thaw resistance, high temperature resistance and other performances, so that the reinforcing layer can be effectively connected with the drainage layer for a long time, and the concrete is connected with the waterproof layer.

In conclusion, the invention has the following beneficial effects:

1. the connecting ring is hooked on the hook, so that the drainage layer and the waterproof layer are fixed on the inner side wall of the tunnel, when water falls on the drainage layer and then flows into the drainage ditch in the long-term use of the waterproof roll, the water can be smoothly drained away, the waterproof layer is reused for blocking the water, the possibility that the water enters the tunnel is reduced, the water is timely drained away through the drainage ditch, the water accumulated on the drainage layer is favorably reduced, and the possibility that the waterproof roll is easy to fall off due to the fact that the weight of the waterproof roll is changed can be reduced;

2. the reinforcing strips and the steel bars are utilized, so that the possibility that the waterproof coiled material is stressed to fall off is reduced;

3. utilize the filter screen, be favorable to reducing the impurity that gets into the escape canal, thereby the escape canal can be long-term effectual carries out the drainage.

Drawings

Fig. 1 is a schematic structural diagram of the embodiment.

Fig. 2 is an enlarged view of a portion a in fig. 1.

In the figure: 1. an adhesive layer; 2. an isolation layer; 3. a waterproof layer; 4. a drainage layer; 40. a drainage ditch; 41. a connecting ring; 42. a filter screen; 43. a groove; 44. a reinforcing layer; 45. a reinforcing strip; 46. an adhesive layer; 47. mounting grooves; 48. a steel bar; 49. an inclined surface; 5. an anticorrosive layer; 6. a waterproof roll layer is arranged; 60. connecting grooves; 7. a lower waterproof roll layer; 70. and (4) connecting the blocks.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b):

referring to fig. 1 and 2, a TPO modified self-adhesive waterproof roll comprises an adhesive layer 1 and an isolation layer 2 which are sequentially arranged from one side close to the side wall of a tunnel to one side far away from the side wall of the tunnel, waterproof layer 3 and drainage blanket 4, drainage blanket 4 is the waterproof roll material layer of polymer, waterproof layer 3 is the waterproof roll material layer of TPO, one side that waterproof layer 3 was kept away from to drainage blanket 4 is equipped with a plurality of escape canal 40, escape canal 40 sets up along the width direction in tunnel, the width of escape canal 40 is steadilyd decrease by one side that is close to waterproof layer 3 to one side of keeping away from waterproof layer 3, increase the displacement of escape canal 40, reduce the possibility that great impurity got into escape canal 40 and blockked up escape canal 40, one side that escape canal 40 is close to drainage blanket 4 surface is equipped with inclined plane 49, two inclined planes 49 are the splayed, increase the scope that water got into escape canal 40, reduce the possibility of remaining in drainage blanket 4 surface.

Referring to fig. 2, a plurality of filter screens 42 are adhered to the side of the drainage layer 4 away from the waterproof layer 3, and the filter screens 42 are positioned above the drainage ditch 40.

Referring to fig. 2, a plurality of connection rings 41 hooked with the hooks are arranged on the side wall of the drainage layer 4, and the connection rings 41 are located between adjacent filter screens 42; during construction, the connecting ring 41 is hooked with the hook, so that the waterproof coiled material is laid on the inner side wall of the tunnel, when water drops on the drainage plate and then enter the drainage ditch 40 in long-term use, the water drops are filtered by the filter screen 42, impurities entering the drainage ditch 40 are reduced, and the possibility of blocking the drainage ditch 40 is reduced; water is drained away in time through the drainage ditch 40, so that water accumulated on the waterproof roll can be reduced, and the possibility of falling off due to bearing of the waterproof roll is reduced.

Referring to fig. 2, grooves 43 are formed in the side of the drainage layer 4 adjacent to the waterproof layer 3, the groove width of each groove 43 increases from the side adjacent to the waterproof layer 3 to the side away from the waterproof layer 3, the grooves 43 are located below the drainage ditch 40, and the grooves 43 are formed along the width direction of the tunnel.

Referring to fig. 2, a reinforcing layer 44 is arranged between the drainage layer 4 and the waterproof layer 3, the reinforcing layer 44 is a PVC coil layer, a reinforcing strip 45 inserted into the groove 43 is arranged on the side wall of the reinforcing layer 44, and an adhesive layer 46 adhered to the drainage layer 4 is arranged on one side of the reinforcing layer 44 close to the drainage layer 4 and one side of the reinforcing strip 45 far away from the reinforcing layer 44.

Referring to fig. 2, an installation groove 47 is formed in the end wall of the reinforcing bar 45 along the width direction of the tunnel, a steel bar 48 is inserted into the installation groove 47, the steel bar 48 is preferably a steel bar, and the diameter of the steel bar 48 is greater than or equal to the groove width of the installation groove 47; because PVC coil material layer material is softer, all insert the mounting groove 47 with billet 48 in to increase the width of strengthening strip 45, the groove width of rethread recess 43 is poor, with the mounting strip crowded recess 43 in, thereby can increase the installation stability of strengthening strip 45 in recess 43, rethread adhesion layer 46 will strengthen strip 45 and enhancement layer 44 adhesion on drainage layer 4, thereby can convenient and fast install enhancement layer 44 on drainage layer 4. Because the escape canal 40 bears when the water, the weight of escape canal 40 department is heaviest, so set up the below at escape canal 40 through strengthening the strip 45, increase the intensity of drainage blanket 4, reduce the drainage blanket 4 of escape canal 40 department and weigh the possibility of collapsing, and then reduce because collapse lead to the water can't in time the exhaust possibility go to this can reduce waterproofing membrane bearing and the possibility that drops.

Referring to fig. 2, an anticorrosive layer 5 is arranged on one side of the waterproof layer 3 close to the reinforcing layer 44, and the anticorrosive layer 5 is an epoxy resin layer; the good corrosion resistance of the anticorrosive layer 5 is favorable for reducing the corrosion of acid and alkali substances in water to the waterproof layer 3, and is favorable for the waterproof layer 3 to effectively prevent water for a long time.

Referring to fig. 2, the waterproof layer 3 includes an upper waterproof roll layer 6 disposed on the side of the anticorrosive layer 5 away from the reinforcing layer 44 and a lower waterproof roll layer 7 disposed on the side of the upper waterproof roll layer 6 away from the anticorrosive layer 5, and the upper waterproof roll layer 6 and the lower waterproof roll layer 7 are both TPO waterproof roll layers.

Referring to fig. 2, a plurality of connecting grooves 60 are formed in one side, close to the lower waterproof roll layer 7, of the upper waterproof roll layer 6, the connecting grooves 60 are arranged in a wave shape along the width direction of the tunnel, and connecting blocks 70 in concave-convex fit with the connecting grooves 60 are arranged on the side wall of the lower waterproof roll layer 7; the connecting block 70 is arranged along the width direction of the tunnel, so that the strength of the lower waterproof roll layer 7 can be increased, and the waterproof roll can not fall off easily; the connection block 70 is inserted into the connection groove 60, so that the contact area between the upper waterproof roll and the lower waterproof roll is increased, and the connection stability of the upper waterproof roll and the lower waterproof roll is improved; carry out waterproofly through last waterproofing membrane layer 6 and waterproofing membrane layer 7 bilayer material down, be favorable to increasing waterproofing membrane's water-proof effects.

Referring to fig. 2, both the adhesive layer 1 and the adhesive layer 46 are a polyurethane adhesive layer 1; the good water resistance and bonding strength are beneficial to increase the connection strength between the reinforcing layer 44 and the drainage layer 4, the reinforcing strips 45 and the grooves 43, and the connection strength between the concrete and the waterproof layer 3 can also be increased.

The implementation principle of the above embodiment is as follows: and hooking the connecting ring 41 with the hook, laying the waterproof roll on the inner side wall of the tunnel, unfastening the isolating layer 2, and connecting the concrete with the adhesive layer 1. In use, when the water droplet is on the drain bar, flow into in the escape canal 40, escape canal 40 is in time discharged water again to can reduce the water of the last accumulation of waterproofing membrane, be favorable to reducing the waterproofing membrane bearing and the possibility that drops.

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.

Claims

1. The utility model provides a TPO modified self-adhesion waterproofing membrane, includes adhesive layer (1) and isolation layer (2) that set gradually by one side to keeping away from tunnel lateral wall that is close to tunnel lateral wall, its characterized in that: still including setting up adhesive layer (1) is kept away from waterproof layer (3) of isolation layer (2) one side, waterproof layer (3) are kept away from one side of adhesive layer (1) is equipped with drainage blanket (4), drainage blanket (4) are kept away from one side of waterproof layer (3) is equipped with a plurality of escape canal (40), escape canal (40) set up along the width direction in tunnel, a plurality of is equipped with on the lateral wall of drainage blanket (4) and colludes go-between (41) even with the couple, go-between (41) are located adjacently between escape canal (40).

2. The TPO modified self-adhesive waterproofing membrane according to claim 1, characterized in that: one side that drainage blanket (4) kept away from waterproof layer (3) is equipped with a plurality of filter screen (42), filter screen (42) are located the top of escape canal (40).

3. The TPO modified self-adhesive waterproofing membrane according to claim 1, characterized in that: one side, close to the waterproof layer (3), of the drainage layer (4) is provided with a groove (43), the groove (43) is located below the drainage ditch (40), and the groove (43) is arranged along the width direction of the tunnel;

be equipped with between drainage blanket (4) and waterproof layer (3) enhancement layer (44), be equipped with on the lateral wall of enhancement layer (44) and insert enhancement strip (45) of recess (43), enhancement layer (44) are close to one side of drainage blanket (4) is equipped with the sticky adhesion layer (46) of drainage blanket (4).

4. The TPO modified self-adhesive waterproofing membrane according to claim 3, characterized in that: the reinforcing layer (44) is a PVC coil layer.

5. The TPO modified self-adhesive waterproofing membrane according to claim 4, characterized in that: just be equipped with mounting groove (47) along the width direction in tunnel on the end wall of reinforcing bar (45), wear to be equipped with billet (48) in mounting groove (47), the diameter of billet (48) is greater than or equal to the groove width of mounting groove (47).

6. The TPO modified self-adhesive waterproofing membrane according to claim 3, characterized in that: and an anticorrosive layer (5) is arranged on one side, close to the reinforcing layer (44), of the waterproof layer (3), and the anticorrosive layer (5) is an epoxy resin layer.

7. The TPO modified self-adhesive waterproofing membrane according to claim 1, characterized in that: waterproof layer (3) are including last waterproof roll material layer (6) and lower waterproof roll material layer (7), it is equipped with a plurality of spread groove (60) to go up waterproof roll material layer (6) and is close to one side of lower waterproof roll material (7), the width direction in tunnel sets up is followed in spread groove (60), be equipped with on the lateral wall on waterproof roll material layer (7) down with spread groove (60) unsmooth complex connecting block (70).

8. The TPO modified self-adhesive waterproofing membrane according to claim 3, characterized in that: the adhesive layer (1) and the adhesive layer (46) are both polyurethane adhesive layers (1).