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Site effect study of Garut regency using microtremor measurement

机译:MicroTremor测量的Larut Regency的现场效应研究

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Garut is a regency that closely adjacent to the capital of the West Java Indonesia province, Bandung. This position makes Garut functioning as satellite and hinterland to some big cities near Jakarta, Indonesia's capital. Infrastructure projects in this area continuously grow to support the development and uprising of the economic index. On the other hand, Garut regency is prone to natural hazards, including earthquake shaking originating from the South Java subduction zone or local fault near the area. Consequently, seismic microzonation assessment to manage earthquake risk is necessary to perform at the expected earthquake-catastrophic-affected areas. In 2018 Puslitbang BMKG conducted a microzonation survey at 131 sites within the Garut area and obtained soil characteristics in value of the dominant period, dominant frequency, and ground shear strain. Based on the range value of the dominant period (T0), sub-district of Tarogong Kidul, Tarogong Kaler and Garut city is dominated by soft soil, and based on ground shear strain measurement showed some area have the potency to experience building cracks, building displacement and liquefaction if shaken by a significant earthquake. Those kinds of information would provide guidelines for city planning and in deciding the new suited structure.
机译:Garut是一款紧密邻近西爪哇印度尼西亚省的首都的摄氏度。这一职位使Garut成为卫星和腹地的卫星和腹地到印度尼西亚首都雅加达附近的一些大城市。该地区的基础设施项目不断增长,以支持经济指标的发展和起义。另一方面,Parut Regency容易发生自然灾害,包括源自南爪哇俯冲区或该地区附近的本地故障的地震震动。因此,在预期的地震灾难性影响地区执行地震微微谐振评估是需要进行地震风险。 2018年PUSLITBANG BMKG在131个地区进行了一项微微谐振调查,并获得了优势时期,主频率和地面剪切应变的价值的土壤特征。基于主导期(T0)的范围价值,塔罗勇绑田区,Tarogong Kaler和Garut City由软土导,并且基于地面剪切应变测量显示一些区域具有体验建筑裂缝,建筑物的效力如果通过大地震摇动,则位移和液化。这些信息将为城市规划和决定新的合适结构提供指导方针。

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