CN112854617B - Waterproof layer of coiled material and impervious experiment method based on waterproof layer - Google Patents
Waterproof layer of coiled material and impervious experiment method based on waterproof layer Download PDFInfo
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- CN112854617B CN112854617B CN202011627421.9A CN202011627421A CN112854617B CN 112854617 B CN112854617 B CN 112854617B CN 202011627421 A CN202011627421 A CN 202011627421A CN 112854617 B CN112854617 B CN 112854617B
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- 239000000463 material Substances 0.000 title claims abstract description 134
- 238000002474 experimental method Methods 0.000 title claims abstract description 14
- 238000000034 method Methods 0.000 title claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 156
- 239000010410 layer Substances 0.000 claims description 109
- 239000011521 glass Substances 0.000 claims description 17
- 238000010438 heat treatment Methods 0.000 claims description 17
- 229910001220 stainless steel Inorganic materials 0.000 claims description 12
- 239000010935 stainless steel Substances 0.000 claims description 12
- 230000004888 barrier function Effects 0.000 claims description 8
- 238000012360 testing method Methods 0.000 claims description 8
- 238000005057 refrigeration Methods 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 6
- 239000012790 adhesive layer Substances 0.000 claims description 5
- 238000004078 waterproofing Methods 0.000 claims description 4
- 230000005489 elastic deformation Effects 0.000 claims description 2
- 239000008236 heating water Substances 0.000 claims description 2
- 238000010998 test method Methods 0.000 claims 6
- 238000000926 separation method Methods 0.000 claims 1
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- 208000002925 dental caries Diseases 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000005485 electric heating Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D5/00—Roof covering by making use of flexible material, e.g. supplied in roll form
- E04D5/10—Roof covering by making use of flexible material, e.g. supplied in roll form by making use of compounded or laminated materials, e.g. metal foils or plastic films coated with bitumen
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
- C09J7/29—Laminated material
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/02—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against ground humidity or ground water
- E02D31/025—Draining membranes, sheets or fabric specially adapted therefor, e.g. with dimples
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/66—Sealings
- E04B1/665—Sheets or foils impervious to water and water vapor
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- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
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- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
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- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
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- Y02W30/30—Landfill technologies aiming to mitigate methane emissions
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Abstract
The invention discloses a waterproof layer of a coiled material and a waterproof experimental method based on the waterproof layer, which comprises an upper waterproof layer arranged above the waterproof layer, wherein when rainwater is received on the surface of the upper waterproof layer, the rainwater falls into a horn hole through the descending of a sponge block and collides with the expansion of the horn hole to an outer ring, when the horn hole expands to the outer ring, a gap groove at the bottom of the horn hole is opened, at the moment, the rainwater can flow into the sponge layer through the opened gap groove and is absorbed by the sponge layer so as to preserve moisture above the waterproof layer, under the high-temperature weather, the rainwater in the sponge block on the upper waterproof layer is evaporated to lose the acting force of gravity for expanding and supporting the horn hole, at the moment, the gap groove recovers and is sealed, the upper part of the sponge layer is completely blocked by a lower waterproof layer so as to keep certain humidity, the waterproof performance of the waterproof layer is prevented from being reduced due to the occurrence of dry cracking on the surface of the waterproof layer, and the protection performance of the waterproof layer in the coiled material is good, the waterproof performance is ensured, and the phenomenon of cracking of the waterproof layer is avoided.
Description
Technical Field
The invention relates to the technical field of coiled materials, in particular to a waterproof layer of a coiled material and a waterproof experimental method based on the waterproof layer.
Background
The waterproof layer of the coiled material is that the waterproof coiled material is used as the waterproof layer. The waterproof coiled material is mainly used for building walls, roofs, tunnels, highways, refuse landfills and the like, can be curled into a roll-shaped flexible building material product for resisting external rainwater and underground water leakage, is used as a leakage-free connection between an engineering foundation and a building, is a waterproof first barrier of the whole engineering, and plays a vital role in the whole engineering.
In the prior art, when the coiled material is used, the coiled material is easily expanded and contracted with heat and cold correspondingly, so that a waterproof layer of the coiled material is correspondingly expanded and contracted, the phenomenon of water seepage of the waterproof layer is easily caused for a long time, and a water impermeability experiment of the coiled material is often determined by observing the water impermeability of the coiled material at normal temperature and does not meet the requirements of actual conditions; therefore, the waterproof layer of the coiled material and the waterproof experimental method based on the waterproof layer solve the problems.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a waterproof layer of a coiled material and a waterproof experiment method based on the waterproof layer.
In order to achieve the above object, the present invention employs a waterproof layer of a roll material, comprising:
the waterproof structure comprises an upper waterproof layer arranged above a waterproof layer, wherein a plurality of groups of sponge blocks which penetrate through the upper part and the lower part and can absorb water are arranged at the middle part of the upper waterproof layer at intervals, a lower waterproof layer and a sponge layer which are distributed from top to bottom are arranged between the upper waterproof layer and the waterproof layer, horn holes for the lower ends of the sponge blocks to stretch into are arranged on the surface of the lower waterproof layer, the bottom of each horn hole is provided with a slot communicated with the upper end surface of the sponge layer, when rainwater is received on the surface of the upper waterproof layer, the rainwater falls into the horn holes through the descending of the sponge blocks and collides with the horn holes to expand towards an outer ring, when the horn holes expand towards the outer ring, the slot at the bottom of the horn holes is opened, and at the moment, the slot opened by rainwater can flow into the sponge layer to be absorbed by the sponge layer so as to keep moisture above the waterproof layer.
And the lower surface of the waterproof layer is fixedly provided with an adhesive layer which can be adhered and fixed on an external carrier.
The invention also discloses a water impermeability experiment method, which comprises the waterproof layer of the coiled material, and also comprises the following steps:
s1: performing high-temperature test, preparing a waterproof experimental device, placing the coiled material in the waterproof experimental device, isolating the upper cavity and the lower cavity of the coiled material to form an upper sealed cavity and a lower sealed cavity respectively, heating the sealed cavity on the upper layer of the coiled material, injecting water on the upper surface of the coiled material, and continuously observing whether water seeps out from the bottom of the coiled material after heating for a certain time to judge the waterproofness of the coiled material;
s2: and (4) low-temperature testing, namely preparing the waterproof experimental device in S1, placing the coiled material in the waterproof experimental device, isolating the upper cavity and the lower cavity of the coiled material to form an upper sealed cavity and a lower sealed cavity respectively, injecting water on the upper surface of the coiled material, refrigerating the water, and continuously observing whether the water seeps out from the bottom of the coiled material to judge the waterproofness of the coiled material.
As a further optimization of the above scheme, the watertight experimental device in S1 includes a box body for the coiled material to be installed in the middle of the box body, the coiled material separates the box body into two separated sealed cavities, a raining box for inputting water to the surface of the coiled material is arranged above the box body, and when water in the raining box enters the surface of the upper water-resisting layer, the sealed cavity at the bottom of the coiled material is observed to determine the sealing performance of the coiled material.
In the device, the bonding layer at the bottom of the coiled material can be bonded on an external carrier, so that the coiled material is convenient to mount, when the coiled material receives rainwater after being mounted, the rainwater falls along the sponge block to push the horn hole to expand outwards to open the slit groove, the rainwater is accumulated in the sponge layer to be absorbed by the sponge layer when the slit groove is opened, the humidity of the surface of the waterproof layer is kept, the rainwater in the sponge block on the upper waterproof layer is evaporated to lose the acting force of gravity for expanding the horn hole under high-temperature weather, at the moment, the slit groove recovers to deform and is sealed, the upper part of the sponge layer is completely blocked by the lower waterproof layer to keep certain humidity, the phenomenon that the surface of the waterproof layer is cracked due to drying is avoided, the waterproof performance of the waterproof layer is reduced, the protection performance of the waterproof layer in the coiled material is good, the waterproof performance of the waterproof layer is guaranteed, and the phenomenon that the waterproof layer is cracked due to drying is avoided.
As a further optimization of the above scheme, the bottom opening of the rain box is fixedly provided with the air bag capable of elastically deforming, the surface of the air bag is provided with multiple groups of rain holes which run through the rain box from top to bottom and supply rain water in the rain box to fall down on the surface of the coiled material, multiple groups of hollow cavities capable of inflating and deflating are arranged in the air bag, the multiple groups of hollow cavities are respectively arranged between adjacent rain holes, the inner walls of the two sides of each hollow cavity are fixedly provided with push plates, the two groups of push plates are fixedly connected through springs, the upper surface of the rain box is fixedly provided with an air supply unit capable of inflating and deflating the hollow cavity, and the lower end of the air supply unit is provided with an air supply pipe communicated with the inside of the hollow cavity.
In this embodiment, water in the rain box is on the coiled material surface through multiunit rain hole whereabouts, the simulation state of raining naturally, accord with the actual test demand, and when filling gassing in the hollow cavity through the unit of supplying air, hollow cavity is by corresponding stretching or compression, make multiunit rain hole's diameter grow simultaneously or diminish, this moment, water through rain hole whereabouts can change the diameter, the size of simulation natural rainwater, and the push pedal of spring both sides plays to support at hollow intracavity wall, make the rain hole aperture of hollow cavity one side keep vertical state, and the big phenomenon in the little both ends aperture of middle part aperture can not appear, the aperture in control rain hole that can be good, wherein, the unit of supplying air can use devices such as air pump.
As a further optimization of the scheme, a box cover capable of being opened and closed is arranged above the box body, and a heating unit capable of heating water above the coiled material is fixedly arranged on the lower surface of the box cover.
It should be noted that, the heating unit can use devices such as electric heating board, convenient when the lid opens and shuts to get the coiled material in the box body and put, when having water on the coiled material, the accessible starts the air in the heating unit heating coiled material top cavity, the air is heated the aquatic with heat transfer to the coiled material upper surface, the simulation nature high temperature and arouse the condition that the coiled material surface generates heat, whether there is water in the sealed cavity of continuous observation coiled material below of in-process when coiled material upper surface hydrothermal, it is not enough then to prove the waterproof ability of coiled material to have water, sewage then proves that the waterproof ability of coiled material is better.
As a further optimization of the above scheme, a water tank for supplying water to the rain box is fixedly arranged on the upper surface of the box cover, a water supply unit capable of outputting water in the water tank is arranged on one side of the water tank, a water delivery pipe for receiving the water output from the water tank is arranged on one side of the water supply unit, the water delivery pipe is communicated with the middle part of the upper end of the rain box, a refrigeration unit capable of refrigerating the water in the water tank is arranged in the water tank, and a water adding pipe capable of adding water to the water tank is arranged above the water tank.
Furthermore, the refrigeration unit can use devices such as a refrigerator, the water delivery unit can use devices such as a suction pump, water can be added into the water tank through the water adding pipe, the water in the water tank is input into the interior of the rain box through the water delivery pipe when the water delivery unit is started, the water passing through the rain box falls on the upper surface of the coiled material through the rain holes below the water passing through the rain box, and when the refrigeration unit refrigerates the water in the water tank, cold water can be input into the surface of the coiled material, and the waterproof capacity of the coiled material in a low-temperature state is observed.
As a further optimization of the scheme, a funnel for receiving water leaked below the coiled material is fixedly arranged at the lower end of the box body, a glass column is fixedly arranged in the middle of the funnel, the lower end of the glass column penetrates through the bottom of the box body, the lower end of the glass column is connected with a sealing plug in a threaded fit mode, and scale marks distributed up and down are arranged on the surface of the glass column.
Specifically, when water leaks from the lower part of the coiled material, the water flows into the glass column through the convergence of the funnel, and the leaked water amount can be obtained by observing the scale marks in the glass column, so that the waterproof capacity of the coiled material is judged.
As a further optimization of the scheme, the inner wall of the box body is fixedly provided with a stainless steel ring supported below the coiled material, a magnetic ring which can be adsorbed and fixed above the stainless steel ring is pressed above the coiled material, the periphery of the coiled material is pressed on the surface of the stainless steel ring by the magnetic ring, and the interior of the box body is isolated into an upper group of sealed cavity and a lower group of sealed cavity.
Wherein, the coiled material is direct to be passed through the magnetic ring pressfitting on the surface of stainless steel ring, and the coiled material of being convenient for is fixed, and the practicality is strong, and can be two sets of sealed cavitys from top to bottom with the inside isolation of box body, is convenient for lead to water and continuously observe the waterproof nature of coiled material on the surface of coiled material.
The waterproof layer of the coiled material and the waterproof experimental method based on the waterproof layer have the following beneficial effects that:
1. the invention relates to a waterproof layer of coiled materials and a waterproof experimental method based on the waterproof layer, which comprises an upper waterproof layer arranged above the waterproof layer, wherein a plurality of groups of sponge blocks which penetrate through the upper part and the lower part and can absorb water are arranged at intervals in the middle of the upper waterproof layer, a lower waterproof layer and a sponge layer which are distributed up and down are arranged between the upper waterproof layer and the waterproof layer, horn holes for the lower ends of the sponge blocks to extend into are arranged on the surface of the lower waterproof layer, slit grooves communicated with the upper end surface of the sponge layer are arranged at the bottoms of the horn holes, when rainwater is received on the surface of the upper waterproof layer, the rainwater falls into the horn holes through the descending of the sponge blocks and pushes the horn holes to expand towards an outer ring, when the horn holes expand towards the outer ring, the slit grooves at the bottoms of the horn holes are opened, at the moment, the rainwater can flow into the opened slit grooves in the sponge layer and be absorbed by the sponge layer to keep moisture above the waterproof layer, and under high-temperature weather, rainwater in the sponge block on the upper waterproof layer is evaporated to lose the acting force of gravity for expanding and supporting the horn hole, at the moment, the slit groove recovers deformation and is sealed, the upper part of the sponge layer is completely blocked by the lower waterproof layer to keep certain humidity, and the waterproof performance of the waterproof layer is prevented from being reduced due to the dry cracking condition on the surface of the waterproof layer;
2. according to the waterproof layer of the coiled material and the impervious experiment method based on the waterproof layer, water in the rain box falls on the surface of the coiled material through the multiple groups of rain holes to simulate the natural rain state and meet the actual experiment requirements, and when the air supply unit fills and releases air into the hollow cavity, the hollow cavity is correspondingly tightened or compressed, so that the diameters of the multiple groups of rain holes are simultaneously increased or decreased, at the moment, the diameters of the water falling through the rain holes can be changed to simulate the size of natural rain water, the push plates on the two sides of the spring are supported on the inner wall of the hollow cavity, the aperture of the rain holes on one side of the hollow cavity is kept in a vertical state, the phenomenon that the aperture of the middle part is small and the apertures of the two ends are large is avoided, and the aperture of the rain holes can be well controlled.
There have been disclosed in detail certain embodiments of the invention with reference to the following description and drawings, and it is to be understood that the embodiments of the invention are not limited thereby, but are intended to cover within the spirit and scope of the appended claims, many changes, modifications, and equivalents.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the coil structure of the present invention;
FIG. 3 is an enlarged view of the structure at A in FIG. 2 according to the present invention;
FIG. 4 is an enlarged view of the structure at B in FIG. 1 according to the present invention;
fig. 5 is an enlarged view of the structure at C in fig. 1 according to the present invention.
In the figure: the device comprises an upper water-resisting layer 1, a lower water-resisting layer 2, a sponge layer 3, a waterproof layer 4, an adhesive layer 5, a sponge block 6, a horn hole 7, a slit groove 8, a box body 9, a funnel 10, a glass column 11, a stainless steel ring 12, a magnetic ring 13, a box cover 14, a heating unit 15, a rain box 16, a water delivery pipe 17, a water delivery unit 18, a water tank 19, a water feeding pipe 20, a scale mark 21, a sealing plug 22, a gas delivery unit 23, a gas delivery pipe 24, an air bag 25, a spring 26, a hollow cavity 27, a rain hole 28, a push plate 29 and a refrigerating unit 30.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings and examples. It should be understood, however, that the description herein of specific embodiments is only intended to illustrate the invention and not to limit the scope of the invention.
It should be noted that when an element is referred to as being "disposed on," or provided with "another element, it can be directly on the other element or intervening elements may also be present, when an element is referred to as being" connected, "or coupled to another element, it can be directly on the other element or intervening elements may be present, and" fixedly coupled "means that the element is fixedly coupled in many ways, which are not intended to be within the scope of the present disclosure, the terms" vertical, "" horizontal, "" left, "" right, "and the like are used herein for illustrative purposes only and are not intended to be a single embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the terms used herein in the specification are for the purpose of describing particular embodiments only and are not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items;
referring to the attached drawings 1-5 in the specification, the invention provides a technical scheme: a waterproofing layer for a web comprising:
set up in the last water barrier 1 of waterproof layer 4 top, the middle part interval of going up water barrier 1 is provided with the sponge piece 6 that runs through and can absorb water from top to bottom of multiunit, be provided with lower water barrier 2 that distributes from top to bottom between last water barrier 1 and the waterproof layer 4, sponge layer 3, the surface of lower water barrier 2 is provided with the horn hole 7 that supplies the lower extreme of sponge piece 6 to stretch into, the bottom of horn hole 7 is provided with the slot 8 that communicates in the surface of sponge layer 3 upper end, when receiving the rainwater on last water barrier 1 surface, the rainwater falls into horn hole 7 and contradicts the outside expansion of horn hole 7 through the decline of sponge piece 6, the slot 8 of its bottom is opened when the outside expansion of horn hole 7, at this moment, the slot 8 that the rainwater accessible was opened flows into and is absorbed by sponge layer 3 in sponge layer 3 and then moisturizes waterproof layer 4 top.
The lower surface of the waterproof layer 4 is fixedly provided with an adhesive layer 5 which can be adhesively fixed on an external carrier.
The invention also discloses a water impermeability experiment method, which comprises the waterproof layer of the coiled material, and also comprises the following steps:
s1: testing at high temperature, preparing a waterproof experimental device, placing a coiled material in the waterproof experimental device, isolating the upper cavity and the lower cavity of the coiled material to form an upper sealed cavity and a lower sealed cavity respectively, heating the sealed cavity on the upper layer of the coiled material, injecting water on the upper surface of the coiled material, and continuously observing whether water seeps out from the bottom of the coiled material after heating for a certain time to judge the waterproofness of the coiled material;
s2: and (4) low-temperature testing, namely preparing the waterproof experimental device in S1, placing the coiled material in the waterproof experimental device, isolating the upper cavity and the lower cavity of the coiled material to form an upper sealed cavity and a lower sealed cavity respectively, injecting water into the upper surface of the coiled material, refrigerating the water, and continuously observing whether the water seeps out from the bottom of the coiled material to judge the waterproofness of the coiled material.
The watertight experimental device in the S1 comprises a box body 9 for a coiled material to be installed in the middle of the box body, the coiled material isolates the box body 9 into an upper sealed cavity and a lower sealed cavity, a rain box 16 for inputting water to the surface of the coiled material is arranged above the box body 9, and when water in the rain box 16 enters the surface of the upper waterproof layer 1, whether water enters the sealed cavity at the bottom of the coiled material or not is observed to judge the sealing performance of the coiled material.
In the device, the adhesive layer 5 at the bottom of the coiled material can be adhered on an external carrier, so that the installation of the coiled material is convenient, when the coiled material receives rainwater after being installed, the rainwater falls along the sponge block 6 to push the horn holes 7 to expand outwards to open the slit grooves 8, the rainwater is accumulated in the sponge layer 3 to be absorbed by the sponge layer 3 when the slit grooves 8 are opened, so that the humidity of the surface of the waterproof layer 4 is kept, in high-temperature weather, the rainwater in the sponge block 6 on the upper waterproof layer 1 is evaporated to lose the acting force of expanding the bell mouth 7 by gravity, at the moment, the slit groove 8 is restored to deform and sealed, the upper part of the sponge layer 3 is completely blocked by the lower waterproof layer 2 to keep certain humidity, the waterproof performance of the waterproof layer 4 is prevented from being reduced due to the dry cracking condition on the surface, in the device, the waterproof layer 4 in the coiled material has good protectiveness, the waterproof performance of the coiled material is ensured, and the phenomenon that the waterproof layer 4 is dried and cracked is avoided.
The bottom opening of the rain box 16, but the fixed gasbag 25 that is provided with elastic deformation of bottom opening of the rain box 16, the surface of gasbag 25 is provided with multiunit and runs through from top to bottom and supplies the rain hole 28 that the rainwater falls to the coiled material surface in the rain box 16, the inside of gasbag 25 is provided with multiunit hollow chamber 27 that can fill the gassing, multiunit hollow chamber 27 sets up respectively between adjacent rain hole 28, the both sides inner wall of hollow chamber 27 all is fixed and is provided with push pedal 29, pass through spring 26 fixed connection between two sets of relative push pedals 29, the upper surface of rain box 16 is fixed and is provided with the air feed unit 23 that can fill the gassing in hollow chamber 27, the lower extreme of air feed unit 23 is provided with the air feed pipe 24 that communicates in hollow chamber 27.
In this embodiment, the water in the rain box 16 falls on the coiled material surface through multiunit rain hole 28, the simulation state of raining naturally, accord with the actual test demand, and when filling the gassing in hollow cavity 27 through air supply unit 23, hollow cavity 27 is by corresponding stretching or compression, make multiunit rain hole 28's diameter grow or diminish simultaneously, this moment, the water through rain hole 28 whereabouts can change the diameter, the size of simulation nature rainwater, and the push pedal 29 of spring 26 both sides plays and supports at hollow cavity 27 inner wall, make the rain hole 28 aperture of hollow cavity 27 one side keep vertical state, and the phenomenon that the little both ends aperture of middle part aperture is big can not appear, the aperture of control rain hole 28 that can be good, wherein, air supply unit 23 can use devices such as air pump.
A box cover 14 which can be opened and closed is arranged above the box body 9, and a heating unit 15 which can heat water above the coiled materials is fixedly arranged on the lower surface of the box cover 14.
It should be noted that heating unit 15 can use devices such as electric heating plate, conveniently get when lid 14 opens and shuts the coiled material in the box body 9 and put, when having water on the coiled material, the accessible starts the air in the 15 heating coiled material top cavities of heating unit, the air is heated the aquatic with heat transfer to the coiled material upper surface, the simulation natural high temperature and arouse the condition that the coiled material surface generates heat, whether there is water in the sealed cavity of continuous observation coiled material below of in-process when coiled material upper surface hydrothermal, it is not enough then to prove the waterproof ability of coiled material to have water, sewage then proves that the waterproof ability of coiled material is better.
The upper surface of the box cover 14 is fixedly provided with a water tank 19 for supplying water to the rain box 16, one side of the water tank 19 is provided with a water supply unit 18 for outputting water in the water tank 19, one side of the water supply unit 18 is provided with a water delivery pipe 17 for receiving the water output from the water tank 19, the water delivery pipe 17 is communicated with the middle part of the upper end of the rain box 16, a refrigeration unit 30 for refrigerating the water in the water tank 19 is arranged in the water tank 19, and a water adding pipe 20 for adding water into the water tank 19 is arranged above the water tank 19.
Further, the refrigeration unit 30 may use a refrigerator or the like, the water supply unit 18 may use a suction pump or the like, water may be supplied into the water tank 19 through the water supply pipe 20, when the water supply unit 18 is activated, the water in the water tank 19 is supplied into the interior of the raining box 16 through the water supply pipe 17, the water passing through the raining box 16 drops on the upper surface of the coil through the raining hole 28 therebelow, and when the refrigeration unit 30 refrigerates the water in the water tank 19, cold water may be supplied to the surface of the coil to observe the waterproof capability thereof in a low temperature state.
The fixed funnel 10 that is provided with the water of receiving the coiled material below and revealing of lower extreme of box body 9, the fixed glass post 11 that is provided with in middle part of funnel 10, the bottom of box body 9 is run through to the lower extreme of glass post 11, and the lower extreme of glass post 11 is connected with sealing plug 22 through screw-thread fit, and the surface of glass post 11 is provided with scale mark 21 that distributes from top to bottom.
Specifically, when water leaks from the lower part of the coiled material, the water flows into the glass column 11 through the collection of the funnel 10, and the water leakage amount can be obtained by observing the scale marks 21 in the glass column 11, so that the waterproof capability of the coiled material can be judged.
The inner wall of the box body 9 is fixedly provided with a stainless steel ring 12 supported below the coiled material, a magnetic ring 13 which can be adsorbed and fixed above the stainless steel ring 12 is pressed above the coiled material, and the periphery of the coiled material is pressed on the surface of the stainless steel ring 12 by the magnetic ring 13 and the inside of the box body 9 is isolated into an upper group of sealed cavity and a lower group of sealed cavity.
Wherein, the coiled material is direct to pass through magnetism ring 13 pressfitting on the surface of stainless steel ring 12, and the coiled material of being convenient for is fixed, and the practicality is strong, and can be two sets of sealed cavitys about the inside isolation of box body 9, is convenient for to lead to water and continuously observes the waterproof nature of coiled material on the surface of coiled material.
It should be understood that the present invention is not limited to the particular embodiments described herein, but is intended to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.
Claims (9)
1. A waterproofing layer for a roll of material, comprising:
the waterproof structure comprises an upper waterproof layer arranged above a waterproof layer, wherein a plurality of groups of sponge blocks which penetrate through the upper part and the lower part and can absorb water are arranged at the middle part of the upper waterproof layer at intervals, a lower waterproof layer and a sponge layer which are distributed from top to bottom are arranged between the upper waterproof layer and the waterproof layer, horn holes for the lower ends of the sponge blocks to stretch into are arranged on the surface of the lower waterproof layer, the bottom of each horn hole is provided with a slot communicated with the upper end surface of the sponge layer, when rainwater is received on the surface of the upper waterproof layer, the rainwater falls into the horn holes through the descending of the sponge blocks and collides with the horn holes to expand towards an outer ring, when the horn holes expand towards the outer ring, the slot at the bottom of the horn holes is opened, and at the moment, the slot opened by rainwater can flow into the sponge layer to be absorbed by the sponge layer so as to keep moisture above the waterproof layer.
2. A waterproofing layer for rolls according to claim 1, wherein: and the lower surface of the waterproof layer is fixedly provided with an adhesive layer which can be fixedly adhered to an external carrier.
3. A water impermeability experiment method is characterized in that: the waterproofing layer for rolls of any one of claims 1 to 2, further comprising:
s1: performing high-temperature test, preparing a waterproof experimental device, placing the coiled material in the waterproof experimental device, isolating the upper cavity and the lower cavity of the coiled material to form an upper sealed cavity and a lower sealed cavity respectively, heating the sealed cavity on the upper layer of the coiled material, injecting water on the upper surface of the coiled material, and continuously observing whether water seeps out from the bottom of the coiled material after heating for a certain time to judge the waterproofness of the coiled material;
s2: and (4) low-temperature testing, namely preparing the waterproof experimental device in S1, placing the coiled material in the waterproof experimental device, isolating the upper cavity and the lower cavity of the coiled material to form an upper sealed cavity and a lower sealed cavity respectively, injecting water into the upper surface of the coiled material, refrigerating the water, and continuously observing whether the water seeps out from the bottom of the coiled material to judge the waterproofness of the coiled material.
4. A water impermeability test method according to claim 3, characterized in that: impervious experimental apparatus among S1 is including supplying the coiled material to install the box body at its middle part, and the coiled material keeps apart the box body and is two upper and lower two sealed cavities of separation, the top of box body is provided with the box that drenches with rain of importing water to the coiled material surface, observes the sealed cavity in coiled material bottom and whether has into water and judges the leakproofness of coiled material when water in the box that drenches with rain gets into last water barrier surface.
5. A water impermeability test method according to claim 4, characterized in that: the utility model discloses a rain box, including rain box, the fixed gasbag that is provided with elastic deformation of bottom opening part of rain box, the surface of gasbag is provided with the multiunit and runs through from top to bottom and supplies rain box in the rain hole of rainwater to coiled material surface whereabouts, the inside of gasbag is provided with the hollow chamber that the multiunit can fill gassing, and the hollow chamber of multiunit sets up respectively between adjacent rain hole, the both sides inner wall in hollow chamber all fixes and is provided with the push pedal, passes through spring fixed connection between two sets of relative push pedals, the last fixed surface of rain box is provided with can be to filling the air supply unit of gassing in the hollow chamber, the lower extreme of air supply unit is provided with the air feed pipe of intercommunication in hollow intracavity portion.
6. A water impermeability test method according to claim 5, characterized in that: the heating box is characterized in that a box cover capable of being opened and closed is arranged above the box body, and a heating unit capable of heating water above the coiled material is fixedly arranged on the lower surface of the box cover.
7. A water impermeability test method according to claim 6, characterized in that: the upper surface of the box cover is fixedly provided with a water tank for supplying water to the rain box, one side of the water tank is provided with a water supply unit capable of outputting water in the water tank, one side of the water supply unit is provided with a water delivery pipe for receiving the water output from the water tank, the water delivery pipe is communicated with the middle part of the upper end of the rain box, a refrigeration unit capable of refrigerating the water in the water tank is arranged in the water tank, and a water adding pipe capable of adding water to the water tank is arranged above the water tank.
8. A water impermeability test method according to claim 7, characterized in that: the fixed funnel that is provided with the water of receiving the coiled material below and revealing of lower extreme of box body, the fixed glass post that is provided with in middle part of funnel, the lower extreme of glass post runs through the bottom of box body, the lower extreme of glass post is connected with the sealing plug through screw-thread fit, the surface of glass post is provided with the scale mark that distributes from top to bottom.
9. A water impermeability test method according to claim 8, characterized in that: the inner wall of the box body is fixedly provided with a stainless steel ring supported below the coiled material, a magnetic ring which can be fixed above the stainless steel ring in an adsorption manner is pressed above the coiled material, and the periphery of the coiled material is pressed on the surface of the stainless steel ring by the magnetic ring and the inside of the box body is isolated into an upper sealed cavity and a lower sealed cavity.
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