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首页> 外文会议>Symposium on Nondestructive Characterization of Materials in Aging Systems, held November 30- December 4, 1997, Boston, Massachusetts, U.S.A. >Development of a capacitor probe to detect subsurface deterioration in concrete
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Development of a capacitor probe to detect subsurface deterioration in concrete

机译：开发用于检测混凝土地下变质的电容器探针

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摘要

Portland cement concrete (PCC) structures deteriorate with age and need to be maintained or replaced. Early detection of deterioration in PCC (e.g., alkali-silica reaction, freeze/thaw damage, or chloride presence ) can lead to significant reductions in maintenance costs. However, it is often too late to perform low-cost preventative maintenance by the time deterioration becomes evident. By developing techniques that would enable civil engineers to evaluate PCC structures and detect deterioration at early stages (without causing further damage), optimization of life-cycle costs of the constructed facility and minimization of disturbance to the facility users can be achieved.
机译：波特兰水泥混凝土（PCC）的结构会随着年龄的增长而恶化，需要进行维护或更换。尽早发现PCC变质（例如碱硅石反应，冻融/损坏或存在氯化物）可以大大降低维护成本。但是，随着时间变得明显，执行低成本的预防性维护通常为时已晚。通过开发使土木工程师能够评估PCC结构并在早期阶段检测出劣化（而不会造成进一步损坏）的技术，可以实现已建设施的生命周期成本的优化和对设施用户的干扰最小化。

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