CN-122016640-A - Multidimensional testing method and prediction method for adhesive property of waterproof adhesive layer material

CN122016640ACN 122016640 ACN122016640 ACN 122016640ACN-122016640-A

Abstract

The invention discloses a multi-dimensional testing method and a prediction method for the adhesive property of a waterproof adhesive layer material. The test method comprises the steps of S1, preparing a track plate test piece, S2, coating a waterproof bonding layer material to be tested on a preset bonding surface of the track plate test piece, S3, uniformly fixing a plurality of spindles on the surface of the waterproof bonding layer material to be tested after primary solidification, keeping stand for at least 4 hours, S4, placing the track plate test piece treated in the step S3 in a simulation system of a target environment to carry out health maintenance of the track plate test piece, S5, carrying out adhesion performance test on the track plate test piece after the health maintenance is finished to obtain an adhesion test result, and judging the applicability of the waterproof bonding layer material to be tested in the target environment according to the adhesion test result. According to the invention, through the composite environment simulation system, simulation of various target environments is realized, so that the health conditions of the test piece are extremely close to actual application scenes.

Inventors

HAN HAOQIANG
LIU HONGHUI
GUO YANQIANG
FU SHIYU
LU XIAOHUA
BU QIAN
MI JINGYI
ZHENG BOYUN
JIN YAN
GONG RUI
XU PENG

Assignees

西安华泽道路材料有限公司
西安公路研究院有限公司

Dates

Publication Date: 20260512
Application Date: 20260227

Claims (10)

1. The multidimensional testing method for the adhesive property of the waterproof adhesive layer material is characterized by comprising the following steps of: s1, preparing a rut board test piece; s2, coating a waterproof bonding layer material to be detected on a preset bonding surface of the rut board test piece, and primarily curing for 20-22 hours, wherein the coating thickness is 0.3-0.8 mm; S3, uniformly fixing a plurality of spindles on the surface of the to-be-tested waterproof adhesive layer material after primary curing by adopting an epoxy adhesive, wherein the distance between any two adjacent spindles is not less than 40mm, standing for at least 4 hours, so that the to-be-tested waterproof adhesive layer material is cured, and the spindles and the to-be-tested waterproof adhesive layer material form a stable adhesive interface; s4, placing the rut board test piece processed in the step S3 in a simulation system of a target environment, and carrying out rut board test piece health maintenance, wherein the target environment is an environment of a target use place of the waterproof bonding layer material to be tested; S5, performing adhesion performance test on the track board test piece after the health maintenance is finished to obtain an adhesion test result, removing abnormal values, and taking an arithmetic average value as the adhesion test result, wherein the adhesion test result is used for judging the applicability of the waterproof bonding layer material to be tested in a target environment.
2. The multi-dimensional testing method for the bonding performance of the waterproof bonding layer material according to claim 1, wherein the simulation system of the target environment comprises a temperature control module, an illumination control module and a dynamic water pressure control module, and the simulation system is used for being independently opened or combined to be opened so as to adapt to the simulation requirements of different target environments; The performing of the track slab test piece health maintenance comprises performing environmental simulation health maintenance by adopting at least one of a temperature control module, an illumination control module and a dynamic water pressure control module.
3. The multi-dimensional testing method for the bonding performance of the waterproof bonding layer material according to claim 2, wherein the temperature control range of the temperature control module is-30 ℃ to 80 ℃, the illumination control module adopts a UVB-313 lamp, and the irradiance range of the UVB-313 lamp is 0.55-0.70W/m 2 @310 nm.
4. The multi-dimensional testing method for the bonding performance of the waterproof bonding layer material according to claim 3, wherein the dynamic water pressure control module is opened intermittently, and the spraying pressure range of the dynamic water pressure control module is 0.1-0.3 MPa; The percentage of the total opening time and the period duration of the health maintenance of the dynamic water pressure control module is P, and P is the annual precipitation probability of the target environment; The total water spraying amount of the dynamic water pressure control module is (annual average precipitation amount of target environment/365) multiplied by the period duration of health maintenance.
5. The method for testing the bonding performance of the waterproof bonding layer material according to claim 1, wherein the step of preparing the rutting plate test piece comprises preparing an asphalt mixture rutting plate or preparing a cement concrete rutting plate.
6. The method for measuring the adhesion performance of a waterproof adhesive layer according to claim 5, wherein the asphalt mixture used in the asphalt mixture rut board has a gradation of any one of AC-10, AC-13 and AC 20.
7. The method for measuring the adhesion performance of a waterproof adhesive layer according to claim 6, wherein the preparing an asphalt mixture rut board comprises: adopting the same asphalt mixture as that in the preset construction engineering to prepare and obtain a prefabricated asphalt mixture track plate; placing the prefabricated asphalt mixture rut board in an environment with the temperature of 25+/-2 ℃ and the humidity of 50+/-5% for curing for 24 hours to obtain the asphalt mixture rut board; the preparation of the cement concrete rut board comprises the following steps: preparing and obtaining a precast cement concrete track slab by adopting cement concrete mixed materials which are the same as those in the preset construction engineering; and (3) curing the precast cement concrete track slab in an environment with the temperature of 25+/-2 ℃ and the humidity of 50+/-5% for 7 days, and then carrying out mechanical roughening treatment, cleaning and drying, wherein the roughening depth is 0.5-1 mm, so as to obtain the cement concrete track slab, the surface roughness Ra of the cement concrete track slab is more than or equal to 0.8 mu m, and the surface water content is less than or equal to 2%.
8. The multi-dimensional testing method for the adhesive property of a waterproof adhesive layer material according to claim 1, wherein the waterproof adhesive layer material to be tested is an asphalt-based waterproof adhesive material.
9. The method for measuring the adhesion property of a waterproof adhesive layer material according to claim 8, wherein the asphalt-based waterproof adhesive material comprises any one of spray-type emulsified asphalt, polymer-modified emulsified asphalt, and aqueous epoxy-modified emulsified asphalt.
10. A method for predicting the adhesive property of a waterproof adhesive layer material, characterized in that, based on the data obtained by the multi-dimensional test method according to any one of claims 1 to 9, an adhesive property prediction model of the waterproof adhesive layer material is established, wherein the prediction model is: Y = aX 1 ﹢bX 2 ﹣cX 3 -d; Wherein Y is predicted adhesive force strength, X 1 is asphalt percentage content in the waterproof adhesive layer material, X 2 is annual average air temperature of a target environment, X 3 is annual average precipitation rate of the target environment, a, b and c are data obtained by adopting the multi-dimensional test method of any one of claims 1-9 and are obtained through multiple linear regression analysis and calculation, the value range of a is 0.010-0.020, the value range of b is 0.035-0.050, the value range of c is 0.005-0.007, the value range of d is 0.15-0.35, and d is the comprehensive correction coefficient of ultraviolet radiation strength and asphalt modification type.

Description

Multidimensional testing method and prediction method for adhesive property of waterproof adhesive layer material Technical Field The invention belongs to the technical field of road engineering material detection, and particularly relates to a multi-dimensional test method and a prediction method for the adhesive property of a waterproof adhesive layer material. Background In asphalt pavement structures, the waterproof bonding layer is used as a key part for connecting the upper structural layer and the lower structural layer, and the bonding performance of the waterproof bonding layer directly influences the overall bearing capacity, the waterproof effect and the service life of the pavement. If the bonding strength of the waterproof bonding layer material is insufficient, diseases such as interlayer peeling, water seepage, pits and the like of the pavement are easily caused, so that the maintenance cost is increased, and the traffic safety of the pavement is reduced. At present, the existing asphalt pavement adhesive layer material testing method focuses on physical index detection of the material per se, such as penetration, ductility and the like, mostly adopts a single environment (such as normal temperature and normal pressure), does not consider multi-factor coupling effects such as temperature circulation, ultraviolet aging, rain wash and the like born by an actual pavement, lacks multi-environment simulation tests of interlayer adhesive performance, causes the test result to not accurately reflect the actual service performance of the material, lacks simulation tests of the actual adhesive effect after material construction, has complex operation of a part of adhesive strength testing method, has deviation between the test result and an engineering actual scene, and is difficult to accurately guide construction quality control. In addition, the existing method lacks direct data support for controlling the dosage of common adhesive layer materials such as sprinkling emulsified asphalt, and is easy to cause the problems of material waste or unqualified construction quality and the like. The existing waterproof bonding layer material has the limitation of waterproof performance detection means, the conventional soaking test (such as 24h soaking) can only qualitatively observe the peeling condition, the waterproof grade cannot be quantified, and the artificial water seepage test after on-site core drilling sampling has great influence on subjective factors. The waterproof performance of the existing waterproof bonding layer material cannot be detected rapidly, the quality of the material is uneven, and early diseases such as interlayer slippage and pits are caused by premature failure of the waterproof bonding layer. Therefore, a multi-dimensional testing method which can simulate the actual construction effect, is simple and convenient to operate and is accurate in testing is needed to fill the defects in the prior art. It should be noted that the information disclosed in the above background section is only for enhancing understanding of the background of the invention and thus may include information that does not form the prior art that is already known to those of ordinary skill in the art. Disclosure of Invention In order to solve the problems in the prior art, the invention provides a multi-dimensional testing method and a prediction method for the adhesive property of a waterproof adhesive layer material. The technical problems to be solved by the invention are realized by the following technical scheme: In a first aspect, the invention provides a multi-dimensional testing method for the adhesive property of a waterproof adhesive layer material, which comprises the following steps: s1, preparing a rut board test piece; s2, coating a waterproof bonding layer material to be detected on a preset bonding surface of the rut board test piece, and primarily curing for 20-28 h, wherein the coating thickness is 0.3-0.8 mm; S3, uniformly fixing a plurality of spindles on the surface of the to-be-tested waterproof adhesive layer material after primary curing by adopting an epoxy adhesive, wherein the distance between any two adjacent spindles is not less than 40mm, standing for at least 4 hours, so that the to-be-tested waterproof adhesive layer material is cured, and the spindles and the to-be-tested waterproof adhesive layer material form a stable adhesive interface; s4, placing the rut board test piece processed in the step S3 in a simulation system of a target environment, and carrying out rut board test piece health maintenance, wherein the target environment is an environment of a target use place of the waterproof bonding layer material to be tested; S5, performing adhesion performance test on the track slab test piece after the health maintenance is finished, calculating an adhesion test result, removing abnormal values, taking an arithmetic average value as the adhesion test result, and judging