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在陈述珠江三角洲自然地理背景资料的基础上,重点论述其土质水质特征,以及对地下工程材料设备的负影响。并针对环境污染的实际情况,推荐几种防护功能较好的材料。再结合广州市某中学教学楼地下消防水管改造工程实例,详细介绍了“二布四涂”的新工艺。最后总结出几点实践经验,供相关类似工程项目参考,可进一步全面推广应用。
On the basis of presenting the natural geography background information of the Pearl River Delta, the paper mainly discusses the characteristics of its soil water quality and the negative impact on the underground engineering materials and equipment. And for the actual situation of environmental pollution, recommended several protective material better. Combined with a secondary school teaching building in Guangzhou City underground fire water pipe renovation project examples, detailing the “two cloth four Tu ” new technology. Finally summed up a few practical experience for reference to similar projects, can be further comprehensive application.