应用聚脲技术实现地震次生灾害的防御
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摘要
研究地震诱发的次生灾害的防御技术,对于保障人民生命及财产安全具有重大的意义。本文全面介绍了聚脲技术在崩塌、滑坡及泥石流(以下简称崩滑流)和遇难者遗体掩埋等地震次生灾害中应用的技术优势,简要分析了地震次生灾害的类型和危害性,详细探讨了聚脲技术在崩滑流边坡防护和遇难者遗体掩埋等地震次生灾害应用中的施工工艺。研究表明:(1)聚脲技术因具有优异的力学性能和抵抗水流冲蚀磨损的性能,能有效地防止雨水对边坡的淘蚀,从而增加边坡的稳定性,预防崩滑流等地质灾害的发生;(2)聚脲技术突出的防腐抗渗性能及整体封闭效果和超长耐候性能可对遇难者的遗体进行妥善掩埋,达到隔离水源、保护环境的目的。
Researching in post-earthquake disasters defense technology to ensure the people's life and property security has significant meaning.In this paper,the advantages of polyurea technology in collapse,landslide,mud-rock flow and victims buried in post-earthquake disasters are introduced,the types and dangers of post-earthquake disasters are briefly analyzed,and the polyurea technology application construction is discussed in detail.Research shows that:(1)Polyurea technology has excellent mechanical properties and anti-scour performance,can effectively prevent the rain from washing the slope so that increase the stability of the slope,hold back geological disasters occur.(2)The outstanding anti-corrosive,anti-permeability,overall protective and ultra-long ageing resistant performances of polyurea technology can make the victims for proper burial to isolate water source,and protect the environment.
Researching in post-earthquake disasters defense technology to ensure the people's life and property security has significant meaning.In this paper,the advantages of polyurea technology in collapse,landslide,mud-rock flow and victims buried in post-earthquake disasters are introduced,the types and dangers of post-earthquake disasters are briefly analyzed,and the polyurea technology application construction is discussed in detail.Research shows that:(1)Polyurea technology has excellent mechanical properties and anti-scour performance,can effectively prevent the rain from washing the slope so that increase the stability of the slope,hold back geological disasters occur.(2)The outstanding anti-corrosive,anti-permeability,overall protective and ultra-long ageing resistant performances of polyurea technology can make the victims for proper burial to isolate water source,and protect the environment.
引文
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[9]Ping Lv,Xinmao Li,Weibo Huang.Effect of Dry-wet Circulation and Temperature Change on Properties of Polyurea Coatings[J].Advanced Materials Research,150～151(2011):1203～1208
[2]Bhalla S,Gupta A.Performance and Condition Monitoring of Structures using Discrete Strain Measurements[J].International Journal of Comadem,2010,12(1):49～52
[3]刘星辉.湖南省矿区地质环境研究[D].长沙:中南大学,2006Xing-Hui Liu.Geological Environment of Hunan Province[D].Central South University,2006
[4]黄春林,李永倩等.BOTDR技术在山体滑坡监测中的应用研究[J].工程抗震与加固改造,2009,31(6):124～127Huang Chun-lin,Li Yong-qian.Application Research of BOTDR Technology on Landslide Monitoring[J].Earthquake Resistant Engineering and Retrofitting,2009,31(6):124～127
[5]黄微波.喷涂聚脲弹性体技术[M].北京:化学工业出版社,2005,1～2Huang Wei-bo.Technology of Spray Polyurea[M].Beijing:Chemical Industry Press,2005,1～2
[6]吕平,陈国华,黄微波.聚天冬氨酸酯聚脲涂层加速老化行为研究[J].四川大学学报,2007,39(2):92～97Lv Ping,Chen Guo-hua,Huang Wei-bo.Degradation of Polyaspartic Polyurea Coating under Different Accelerated Weathering Tests[J].Journal of Sichuan University,2007,39(2):92～97
[7]Ping Lv,Wei-bo Huang,Hui Shi.Effect of Curing Temperature on Morphology and Properties of Polyureas Based on Polyaspartic Esters[J].Materials Science Forum,2010,650(32):33～37
[8]Weibo Huang,Ping Lv,Jing Zhang,Xinmao Li.Properties of Aliphatic Polyurea Coated Concrete under Salt Fog Exposure[J].Advanced Materials Research,168～170(2011):1010～1015
[9]Ping Lv,Xinmao Li,Weibo Huang.Effect of Dry-wet Circulation and Temperature Change on Properties of Polyurea Coatings[J].Advanced Materials Research,150～151(2011):1203～1208
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