CN113960104A - Method for testing application performance of waterproof coiled material seam part - Google Patents
Method for testing application performance of waterproof coiled material seam part Download PDFInfo
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- CN113960104A CN113960104A CN202111060354.1A CN202111060354A CN113960104A CN 113960104 A CN113960104 A CN 113960104A CN 202111060354 A CN202111060354 A CN 202111060354A CN 113960104 A CN113960104 A CN 113960104A
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- 238000012360 testing method Methods 0.000 title claims abstract description 78
- 239000000463 material Substances 0.000 title claims abstract description 70
- 238000000034 method Methods 0.000 title claims description 48
- 238000010276 construction Methods 0.000 claims abstract description 12
- 230000007613 environmental effect Effects 0.000 claims abstract description 5
- 238000010998 test method Methods 0.000 claims abstract description 3
- 238000011282 treatment Methods 0.000 claims description 50
- 238000010257 thawing Methods 0.000 claims description 10
- 238000007605 air drying Methods 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 5
- 238000005336 cracking Methods 0.000 claims description 3
- 239000011094 fiberboard Substances 0.000 claims description 3
- 238000005187 foaming Methods 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 238000011156 evaluation Methods 0.000 abstract description 3
- 239000000853 adhesive Substances 0.000 description 3
- 239000010426 asphalt Substances 0.000 description 3
- 229920002521 macromolecule Polymers 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000002998 adhesive polymer Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/14—Investigating or analyzing materials by the use of thermal means by using distillation, extraction, sublimation, condensation, freezing, or crystallisation
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- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
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Abstract
The invention relates to a test method of application performance of a seam part of a waterproof roll, which comprises the following steps: s1, preparing a test piece; s2, testing application performance; and S3, observing and recording test results. On one hand, different lapping construction methods are adopted, so that the lapping implementation of different types of waterproof coiled materials is met; on the other hand, the seam part can be processed in different environmental temperature changes, so that the application performance of different types of waterproof coiled materials after being lapped is obtained, and therefore, an important basis is provided for the evaluation of the waterproof coiled material implementation engineering.
Description
Technical Field
The invention belongs to the technical field of waterproof coiled materials, and particularly relates to a method for testing application performance of a seam part of a waterproof coiled material.
Background
At present, in the actual construction process, the waterproof coiled material needs to be lapped for use, so the performance of the joint part of the waterproof coiled material is crucial, however, the application performance of the product standard to the lap joint part is less concerned, for example, GB18242-2008 'elastomer modified asphalt waterproof coiled material' only stipulates the peeling strength and the size change rate of the joint; GB23441-2009 self-adhesive polymer modified asphalt waterproof coiled material only stipulates the stripping strength and the size change rate of the coiled material, other standards of waterproof coiled material products are similarly stipulated, and no application performance test method for the seam part of the waterproof coiled material exists.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a method for testing the application performance of the seam part of a waterproof roll.
In order to solve the technical problems, the invention adopts the following technical scheme:
a test method for application performance of a seam part of a waterproof roll comprises the following steps:
s1 preparation of test piece
1) Cutting two coiled materials, wherein the longitudinal length of the coiled materials is at least 300mm, and the transverse length of the coiled materials is at least 500 mm;
2) laying two coiled materials on a base layer in a lap joint mode from longitudinal edges by adopting an empty laying method or a full adhesion method, wherein the edges are lapped to form a seam part, and the width of the seam part is 80-120 mm;
3) preparing a plurality of test pieces according to the steps 1) and 2), wherein one test piece is a reference test piece, and the rest test pieces are test pieces;
s2 test of application Performance
1) Placing the reference test piece and the test piece in a dark room at the room temperature of 20-25 ℃ for curing;
2) the test specimen is respectively processed under the working conditions of high temperature, low temperature and high and low temperature freeze thawing, wherein the high temperature treatment comprises the following steps: the prepared test piece is put into a forced air drying oven for treatment, wherein the temperature is 40-80 ℃ and is at least 7 days;
low-temperature treatment: the prepared test piece is put into a forced air drying oven for treatment, wherein the temperature is-40 ℃ to 0 ℃ and is at least 7 days;
high and low temperature freeze thawing treatment: placing the prepared test piece into a blast drying oven for freeze-thaw cycle treatment, wherein high temperature, normal temperature, low temperature, normal temperature and high temperature are taken as a cycle period or low temperature, normal temperature, high temperature, normal temperature and low temperature are taken as a cycle period for N times of cycles, wherein N is not less than 10 and is an integer, meanwhile, the temperature of the high temperature is 40-80 ℃, the temperature of the normal temperature is 20-25 ℃, and the temperature of the low temperature is-40-0 ℃;
s3, observation and recording of test results
And taking out the treated test piece, comparing the test piece with the reference test piece, and simultaneously recording the change of the joint part in different environmental treatments, wherein the change of the joint part comprises one or more of the change of effective lap joint width, bulge change, foaming change, wrinkling change, warping change, sliding change, cracking change and peeling change.
Preferably, in S1, the base layer used in the dry-laying method is a metal plate or a concrete plate, and has a size larger than the total area of the two coiled materials after the longitudinal edges are overlapped. The method is suitable for the coiled materials such as macromolecule pre-paved waterproof coiled materials, inner enhanced PVC and TPO waterproof coiled materials.
According to a particular implementation and preferred aspect of the invention, the dry-laying method comprises the following steps: firstly, fixing one non-lapped longitudinal edge of one coiled material on a base layer, and tiling the other lapped longitudinal edge on the base layer; then, overlapping the other coiled material from two overlapped longitudinal edges according to a construction standard, wherein the width of an overlapping part is 80-120 mm; finally, another web is laid flat and secured to the base layer from the non-overlapping longitudinal edge.
Preferably, the non-overlapping longitudinal edges are secured to the substrate by a mechanical or snug-fit fastening similar to that used in actual engineering.
Preferably, in S1, the base layer used in the full-bonding method is a concrete slab or a fiber board, and has a size larger than the total area of the two overlapped longitudinal edges of the coiled materials. The method is suitable for webs such as SBS, self-adhesive webs and the like.
According to still another embodiment and preferred aspect of the present invention, a full-bonding process comprises the steps of: firstly, one coiled material is integrally and fully adhered to a base plate according to the construction standard, then the other coiled material is overlapped on the base plate and is fully adhered to a base layer, and the width of an overlapping part is generally 80-120 mm.
Preferably, in the case of performing the high-temperature, low-temperature, and high-low temperature freeze-thaw treatment in S2, the test piece is horizontally placed in an air-blast drying oven.
In addition, in the high-and low-temperature freeze-thaw treatment, one cycle of 24 hours was used.
Specifically, the time required for the high-temperature treatment and the time required for the low-temperature treatment are equal in one cycle, and the time required for the normal-temperature treatment is at least half of the time required for the high-temperature treatment or the low-temperature treatment.
In this example, the time required for the high-temperature treatment in one cycle period is 8 ± 1 h; the time required for normal temperature treatment is 4 +/-1 h; the time required by low-temperature treatment is 8 +/-1 h, and during high-temperature and low-temperature freeze-thawing treatment, the high-temperature is less than or equal to 50 ℃, and the low-temperature is greater than or equal to-30 ℃.
Due to the implementation of the technical scheme, compared with the prior art, the invention has the following advantages:
on one hand, different lapping construction methods are adopted, so that the lapping implementation of different types of waterproof coiled materials is met; on the other hand, the seam part can be processed in different environmental temperature changes, so that the application performance of different types of waterproof coiled materials after being lapped is obtained, and therefore, an important basis is provided for the evaluation of the waterproof coiled material implementation engineering.
Detailed Description
The foregoing objects, features and advantages of the present application will become more apparent. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. This application is capable of embodiments in many different forms than those described herein and that modifications may be made by one skilled in the art without departing from the spirit and scope of the application and it is therefore not intended to be limited to the specific embodiments disclosed below.
In the description of the present application, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used for convenience in describing and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be considered as limiting the present application.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
It will be understood that when an element is referred to as being "secured to" or "disposed on" 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" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
The method for testing the application performance of the seam part of the waterproof roll material comprises the following steps: s1, preparing a test piece; s2, testing application performance; and S3, observing and recording test results.
Specifically, S1, the preparation of the test piece includes the following steps:
1) cutting two coiled materials, wherein the longitudinal length of the two coiled materials is 300mm, and the transverse length of the two coiled materials is 500 mm;
2) laying two coiled materials on a base layer in a lap joint mode from longitudinal edges by adopting an empty laying method or a full adhesion method, wherein the edges are lapped to form a seam part, and the width of the seam part is 100 +/-5 mm;
3) preparing a plurality of test pieces according to the steps 1) and 2), wherein one test piece is a reference test piece, and the rest test pieces are test pieces.
What the aforesaid need illustrate is that the width breadth of conventional coiled material is 1m, and so, 500mm just is half coiled material, so, when the test piece overlap joint, adopts half coiled material to implement the overlap joint, makes things convenient for the overlap joint shaping more, reduces test cost moreover, the embodiment test result that also can be better.
The base layer adopted by the empty paving method is a metal plate, and the size of the base layer is larger than the total area of two coiled materials after the longitudinal edges are lapped. The method is suitable for the coiled materials such as macromolecule pre-paved waterproof coiled materials, inner enhanced PVC and TPO waterproof coiled materials.
In this example, the process of the dry-laying construction method is as follows: firstly, fixing one non-lapped longitudinal edge of one coiled material on a base layer, and tiling the other lapped longitudinal edge on the base layer; then, overlapping the other coiled material from two overlapped longitudinal edges according to the construction standard, wherein the width of the overlapping part is 100 +/-5 mm; finally, another web is laid flat and secured to the base layer from the non-overlapping longitudinal edge.
Specifically, the non-overlapped longitudinal edges and the base layer are fixed by a mechanical fixing or firm attaching method similar to the actual engineering.
The base layer adopted by the full-bonding method is a fiberboard, and the size of the base layer is larger than the total area of two coiled materials after the longitudinal edges of the two coiled materials are lapped. The method is suitable for webs such as SBS, self-adhesive webs and the like.
The full-adhesion construction method comprises the following steps: firstly, one coiled material is integrally and fully adhered to a base plate according to the construction standard, then the other coiled material is overlapped on the base plate and is fully adhered to a base layer at the same time, and the width of an overlapping part is generally 100 +/-5 mm.
Specifically, the test of the application performance of S2 comprises the following steps: 1) placing the reference test piece and the test piece in a dark room at the room temperature of 23 +/-2 ℃ for curing; 2) and respectively processing the test specimen under high-temperature, low-temperature and high-low temperature freeze-thawing working conditions.
High-temperature treatment: and horizontally placing the prepared test piece into a forced air drying oven for treatment for 7 days, wherein the temperature is 40-80 ℃.
Specifically, the lowest temperature is not lower than 40 ℃, the highest self-adhesive asphalt coiled material is not higher than 70 ℃, other coiled materials are not higher than 80 ℃, and meanwhile, the treatment time can be prolonged according to the test requirements and the actual engineering conditions.
Low-temperature treatment: and horizontally placing the prepared test piece into a forced air drying oven for treatment for 7 days, wherein the temperature is-40-0 ℃.
Specifically, the low temperature is not lower than-30 ℃, and the treatment time is prolonged according to the test requirements or the actual engineering conditions.
High and low temperature freeze thawing treatment: and horizontally placing the prepared test piece into an air-blast drying box for freeze-thaw cycle treatment, wherein the cycle period is high temperature, normal temperature, low temperature, normal temperature and high temperature, and the cycle is 24 hours, and the cycle is performed for 10 times.
In 24 hours, one cycle, the time required by high-temperature treatment is 8 +/-1 h; the time required for normal temperature treatment is 4 +/-1 h; the time required for the low-temperature treatment is 8 +/-1 h.
Meanwhile, in the high-low temperature freeze thawing treatment, the high temperature is 40-80 ℃, the normal temperature is 22 +/-1 ℃, and the low temperature is-40-0 ℃.
Specifically, in the high-low temperature freeze-thawing treatment, the high temperature is 50 ℃, and the low temperature is-30 ℃.
And S3, observing and recording test results, wherein the test specimens which are processed are taken out, the test specimens are compared with the reference specimens, and the change of the joint part in different environmental treatments is recorded, wherein the change of the joint part comprises one or more of the change of effective lap joint width, the change of bulging, the change of foaming, the change of wrinkling, the change of warping, the change of slippage, the change of cracking and the change of peeling.
In addition, a test result photo needs to be shot and stored, and a basis is provided for engineering evaluation.
The present invention has been described in detail in order to enable those skilled in the art to understand the invention and to practice it, and it is not intended to limit the scope of the invention, and all equivalent changes and modifications made according to the spirit of the present invention should be covered by the present invention.
Claims (10)
1. A test method for application performance of a seam part of a waterproof roll is characterized by comprising the following steps: the method comprises the following steps:
s1 preparation of test piece
1) Cutting two coiled materials, wherein the longitudinal length of the coiled materials is at least 300mm, and the transverse length of the coiled materials is at least 500 mm;
2) laying two coiled materials on a base layer in a lap joint mode from longitudinal edges by adopting an empty laying method or a full adhesion method, wherein the edges are lapped to form a seam part, and the width of the seam part is 80-120 mm;
3) preparing a plurality of test pieces according to the steps 1) and 2), wherein one test piece is a reference test piece, and the rest test pieces are test pieces;
s2 test of application Performance
1) Placing the reference test piece and the test piece in a dark room at the room temperature of 20-25 ℃ for curing;
2) the test specimen is respectively processed under the working conditions of high temperature, low temperature and high and low temperature freeze thawing, wherein the high temperature treatment comprises the following steps: the prepared test piece is put into a forced air drying oven for treatment, wherein the temperature is 40-80 ℃ and is at least 7 days;
low-temperature treatment: the prepared test piece is put into a forced air drying oven for treatment, wherein the temperature is-40 ℃ to 0 ℃ and is at least 7 days;
high and low temperature freeze thawing treatment: placing the prepared test piece into a blast drying oven for freeze-thaw cycle treatment, wherein high temperature, normal temperature, low temperature, normal temperature and high temperature are taken as a cycle period or low temperature, normal temperature, high temperature, normal temperature and low temperature are taken as a cycle period for N times of cycles, wherein N is not less than 10 and is an integer, meanwhile, the temperature of the high temperature is 40-80 ℃, the temperature of the normal temperature is 20-25 ℃, and the temperature of the low temperature is-40-0 ℃;
s3, observation and recording of test results
And taking out the treated test piece, comparing the test piece with the reference test piece, and simultaneously recording the change of the joint part in different environmental treatments, wherein the change of the joint part comprises one or more of the change of effective lap joint width, bulge change, foaming change, wrinkling change, warping change, sliding change, cracking change and peeling change.
2. The method for testing the application performance of the seam part of the waterproof roll material according to claim 1, wherein the method comprises the following steps: in S1, the base layer used in the dry-laying method is a metal plate or a concrete plate, and has a size larger than the total area of the two coiled materials after the longitudinal edges are overlapped.
3. The method for testing the application performance of the seam part of the waterproof roll material according to claim 1 or 2, wherein the method comprises the following steps: the air laying method comprises the following steps: firstly, fixing one non-lapped longitudinal edge of one coiled material on a base layer, and tiling the other lapped longitudinal edge on the base layer; then, overlapping the other coiled material from two overlapped longitudinal edges according to a construction standard, wherein the width of an overlapping part is 80-120 mm; finally, another web is laid flat and secured to the base layer from the non-overlapping longitudinal edge.
4. The method for testing the application performance of the seam part of the waterproof roll material according to claim 3, wherein the method comprises the following steps: the non-overlapped longitudinal edges and the base layer are fixed by adopting a mechanical fixing or firm attaching method similar to the actual engineering.
5. The method for testing the application performance of the seam part of the waterproof roll material according to claim 1, wherein the method comprises the following steps: in S1, the base layer used in the full-bonding method is a concrete slab or a fiber board, and the size of the base layer is larger than the total area of the two coiled materials after the longitudinal edges of the two coiled materials are lapped.
6. The method for testing the application performance of the seam part of the waterproof roll material according to claim 1 or 5, wherein the method comprises the following steps: the full-adhesion construction method comprises the following steps: firstly, one coiled material is integrally and fully adhered to a base plate according to the construction standard, then the other coiled material is overlapped on the base plate and is fully adhered to a base layer, and the width of an overlapping part is generally 80-120 mm.
7. The method for testing the application performance of the seam part of the waterproof roll material according to claim 1, wherein the method comprises the following steps: when the high-temperature, low-temperature, and high-low-temperature freeze-thaw treatment was performed in S2, the test piece was horizontally placed in an air-blast drying oven.
8. The method for testing the application performance of the seam part of the waterproof roll material according to claim 1, wherein the method comprises the following steps: in the high-low temperature freeze-thaw treatment, 24 hours are used as one cycle.
9. The method for testing the application performance of the seam part of the waterproof roll material according to claim 8, wherein the method comprises the following steps: the time required for the high-temperature treatment and the time required for the low-temperature treatment are equal in one cycle period, and the time required for the normal-temperature treatment is at least half of the time required for the high-temperature treatment or the low-temperature treatment.
10. The method for testing the application performance of the seam part of the waterproof roll material according to claim 9, wherein the method comprises the following steps: the time required for high-temperature treatment in one cycle is 8 +/-1 h; the time required for normal temperature treatment is 4 +/-1 h; the time required by low-temperature treatment is 8 +/-1 h, and during high-temperature and low-temperature freeze-thawing treatment, the high-temperature is less than or equal to 50 ℃, and the low-temperature is greater than or equal to-30 ℃.
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