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-  2015 

分布式光纤测温系统在特高拱坝真实温度场监测中的应用 Application of distributed optical-fiber temperature measurement system to monitoring true temperature field of super-high arch dam

Keywords: 水工结构,真实温度场,分布式光纤,试验研究,特高拱坝

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Abstract:

以溪洛渡特高拱坝为例,阐述现场布设分布式光纤系统,进而确定特高拱坝真实温度场的方法与流程.分析特高拱坝混凝土真实温度场研究的必要性与可行性,建议现场布设分布式光纤进行试验研究的有效途径.基于所提方法,在溪洛渡特高拱坝的施工现场布设分布式光纤,构建分布式光纤测温系统,并进行真实温度场的相关测试.实测成果表明分布式光纤测温系统能快捷、准确地监测大坝混凝土结构内部温度场的变化,为有效地评价大坝安全提供了可靠的科学依据.研究结果表明:采用在施工现场布设分布式光纤,并进行基于实时温度场的试验,可更为准确地确定特高拱坝的真实温度状况

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