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Multi-channel analysis of surface waves(MASW) using CMP analysis to identify soil problems threat on the heritage site at Georgetown, Malaysia

Geraldine C.AnukwuAmin E.KhalilMohd NawawiKhiruddin AbdullahFathi M.Abdullah

Universiti Sains Malaysia

摘要:We used the multi-channel analysis of surface waves(MASW) method adopting CMPCC technique to identify the cause of fractures/cracks observed on the walls and ceilings of a heritage building located in Georgetown, Malaysia. The S-wave velocity reveals that the site is composed of materials with a low shear wave velocity which varies across the site and with depth. An anomalous feature was observed on the S-wave velocity sections, which is possibly due to a buried old channel, which was hitherto not known. The results suggest that the site is characterized by soft clay, as revealed also by resistivity measurements. As such, there is a high potential for swelling that can result in sliding of the foundations in differential motion. A phenomenon that might be the possible cause of the observed fractures/cracks on the building.
会议名称:

CPS/SEG北京2018国际地球物理会议暨展览

会议时间:

2018-04-24

会议地点:

中国北京

  • 专辑:

    基础科学; 工程科技Ⅰ辑; 工程科技Ⅱ辑

  • 专题:

    地质学; 地球物理学; 矿业工程; 建筑科学与工程

  • 分类号:

    P631.4;TU-87

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