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TPO防水卷材搭接工艺参数的试验研究与应用

Experimental Study and Application of TPO Waterproofing Membrane Lapping Process Parameters.

作者信息

Wang Keyong, Zang Zhenhua, Li Jie, Shi Zhenyue, Liu Mingcai, Li Zhipeng, Wang Qingbiao, Shang Yandong, Tian Chenglin, Jia Zifan, Wang Hui

机构信息

School of Resources, Shandong University of Science and Technology, Tai'an 271000, China.

Laboratory of Rock Burst Prevention Technology and Equipment, Shandong Energy Group Co., Ltd., Jinan 250200, China.

出版信息

Materials (Basel). 2025 Jul 14;18(14):3313. doi: 10.3390/ma18143313.

DOI:10.3390/ma18143313
PMID:40731523
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC12299543/
Abstract

Taking the TPO waterproofing membrane as an example, this paper studies the influence of temperature, speed and welding pressure on the welding quality of a TPO waterproofing membrane lap area through a peel test and a water impermeability test, determines the optimal construction process, and observes and compares the permeable path through laser confocal microscope. Finally, it is applied to the actual effect test in the project. The results show that the welding pressure test tool for the lap area of the waterproofing membrane is designed to meet the welding work test requirements of various lap areas of the waterproofing membrane. The peel strength increases first and then decreases with the increase in welding temperature, and the optimal construction temperature is 400 °C. The optimal construction speed is 4 m/min; at 400 °C welding temperature, the peel strength increases first and then decreases slightly with the increase in welding pressure. The optimal construction pressure is 14.97 N; under the condition of 0.2 MPa, 30 min to 0.6 MPa, 120 min, the water impermeability test of the overlapping area was qualified. In this paper, the optimal construction technology of a TPO waterproofing membrane is determined, which provides guidance for its application and promotion in engineering.

摘要

以TPO防水卷材为例，通过剥离试验和不透水性试验，研究温度、速度和焊接压力对TPO防水卷材搭接部位焊接质量的影响，确定最佳施工工艺，并通过激光共聚焦显微镜观察和比较渗透路径。最后将其应用于工程实际效果测试。结果表明，所设计的防水卷材搭接部位焊接压力试验工具满足各种防水卷材搭接部位的焊接作业试验要求。剥离强度随焊接温度升高先增大后减小，最佳施工温度为400℃。最佳施工速度为4m/min；在焊接温度400℃时，剥离强度随焊接压力增大先增大后略有减小，最佳施工压力为14.97N；在0.2MPa、30min至0.6MPa、120min条件下，搭接部位不透水性试验合格。本文确定了TPO防水卷材的最佳施工工艺，为其在工程中的应用推广提供了指导。

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