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采用具有高信息密度的分布式光纤温度传感测量系统进行土石坝渗漏监测技术研究 .经过理论研究和室内、现场试验 ,已取得了初步研究成果 .实践表明 ,该传感系统可以埋置于防渗体的下游排水或反滤层内 ,不会因机械施工而损伤 ,具有施工干扰小 ,抗电磁干扰等特点 ,系统测量精度能满足工程应用的要求 .该项测量技术还可用于混凝土坝的温度场测量 .
A distributed optical fiber temperature sensing measurement system with high information density is used to study the leakage monitoring technology of earth-rock dam.The preliminary research results have been obtained through theoretical research and indoor and field experiments.The practice shows that the sensing system can be embedded in Anti-seepage downstream drainage or filter layer, will not be damaged due to mechanical construction, with construction interference, anti-electromagnetic interference characteristics, system measurement accuracy to meet the engineering requirements. The measurement technology can also be used for concrete dam The temperature field measurement.