微動アレイ観測に基づく福井平野の深部地盤速度構造の照査・検討

概要

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"In Fukui plain, Fukui Ddoboku Jimusho is the only point where deep soil profile down to tertiary layer is obtained by direct method such as PS logging test. There are three soil velocity models about Fukui plain. One is Fukui prefecture model that is made from shallow boring data referring the Fukui Doboku Jimusho point soil profile. Another model is microtremor model being made through microtremor observation method. The other one is gravity model obtained through gravitational survey method. However, there are big difference between those three models on depth of tertiary layer or seismic bedrock. And so we conducted microtremor array observation at some typical points useful to examination on the deep soil profile of the three models and discussed the obtained results."
福井工業大学の論文