混凝土内部异常震波层析成像试验研究

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利用震波CT技术可以检测混凝土结构内部异常体大小、形态、空间分布。地震波穿透混凝土介质时,在凝固性好、强度高的区域呈现高波速,在夹泥、空洞等严重缺陷区域呈现低波速的特征。该文通过构建混凝土正演和物理模型,对比分析了震波CT测试技术的有效性及其分辨能力,为现场测试应用提供了参考。 The use of seismic CT technology can detect abnormal body size, shape and spatial distribution in concrete structures. When the seismic waves penetrate the concrete medium, they show high wave velocity in the areas with good coagulation and high strength, and show the characteristics of low wave velocity in the serious defect areas such as mud and voids. By constructing forward modeling and physical model of concrete, this paper compares and analyzes the effectiveness and resolving power of seismic CT testing technology, and provides a reference for field test application.
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