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Local site effects evaluation by surface wave and H/V survey methods in Senirkent (Isparta) region, southwestern Turkey
Earthquake Engineering and Engineering Vibration ( IF 2.8 ) Pub Date : 2020-04-18 , DOI: 10.1007/s11803-020-0564-z
Mehmet Zakir Kanbur , Ali Silahtar , Gökhan Aktan

This study aimed to investigate the site characterization of the Senirkent Basin (Isparta) by using the microtremor (H/V) and surface wave analysis (ReMi) methods. Senirkent district, which is located on the foothill of the Kapi Mountain, are prone to seismic and landslide hazards. After the last landslip disaster (1995), the city has continued to develop on the alluvial basin. The microtremor data collected at 41 stations were analyzed. The predominant frequency and the amplification of the soil were found to be in the range of 1.8–6.6 Hz and 0.8–6.8, respectively. These are 4.0–6.8 Hz and 1–2.5 around the slope of the Kapi Mountain and 0.8–3.6 Hz and 3.0–6.6 at alluvium deposits of the valley. The ReMi data collected along 41 profiles were analyzed to obtain a Vs30 map. The soil classifications were done by using Vs30 values according to NEHRP soil classification criteria. The results showed that the southern area of the study had better soil conditions with Vs30 between 360–1160 m/s and soil class between C and B. The alluvium deposits on the north are relatively low with Vs30 in the range of 260–360 m/s and soil class D.

中文翻译:

土耳其西南部Senirkent(Isparta)地区通过地表波和H / V调查方法评估局部场地效应

这项研究旨在通过微震(H / V)和表面波分析(ReMi)方法研究Senirkent盆地(伊斯巴达)的站点特征。位于卡皮山山麓的Senirkent区容易受到地震和滑坡的危害。在上一次山体滑坡灾害(1995年)之后,该城市在冲积盆地上继续发展。分析了在41个站点收集的微震数据。发现土壤的主要频率和放大率分别在1.8–6.6 Hz和0.8–6.8的范围内。它们分别在卡皮山的坡度上为4.0–6.8 Hz和1–2.5,在山谷的冲积层处为0.8–3.6 Hz和3.0–6.6。分析沿41个剖面收集的ReMi数据以获得V s30地图。根据NEHRP土壤分类标准,使用V s30值对土壤进行分类。结果表明,研究的南部地区土壤条件较好,V s30在360-1160 m / s之间,土壤类别在C和B之间。北部的冲积层相对较低,V s30260-160之间360 m / s和D级土壤
更新日期:2020-04-18
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