本次勘察中, 依据钻孔所揭示的岩土体类型、厚度的不同及邻近场地所做波束测试, 将勘察场地划分成Ⅰ类场地和Ⅱ类场地: 即上部覆盖层厚度小于3m, 下部为强风化混合岩的, 其场地土类型为中硬～坚硬土, 场地类别为Ⅰ类; 而将其他地段的场地土类型归为中软场地土, 剪切波速介于140m/s～250m/s之间, 场地类别为Ⅱ类。场地类别的分区详见《场地类型及场地抗震地段分区图》。北京日语翻译
1. Site soil type and site classification
During the investigation, conduct the beam test in accordance with rock-soil mass type disclosed by drilling, different thicknesses and neighboring site, divide the investigation site into Category I site and Category II site: that is, thickness of upper coating is less than 3m, lower part is strong weathered migmatite, its site soil type is medium-hard and stony soil, site classification is Category I; site soil type of other lots is classified as medium soft site soil, shear wave velocity is between 140m/s～250m/s, site classification is Category II. For the zoning of site classification, refer to “Zoning Map of Site Type and Site Anti-shock Lot” for more details.
勘察场地总体上地形平坦, 开阔。Ⅰ类场地中覆盖层厚度小于3m, 依据《建筑抗震设计规范》(GB50011-2001)之相关规定, 场地为抗震有利地段; 而Ⅱ类场地中, 覆盖层由素填土、残积土等组成, 依据《建筑抗震设计规范》(GB50011-2001)之相关规定, 场地为可进行建设的一般场地。详见《场地类型及场地抗震地段分区图》。
2. Division of site anti-shock lot
Investigation site is smooth and open as a whole. Coating thickness of Category I site is less than 3m; in accordance with the relevant regulations of “Code for Seismic Design of Buildings” (GB50011-2001), the site is favorable for antishock; in Category II site, the coating is made up of plain fill, residual soil, and etc., in accordance with the relevant regulations of “Code for Seismic Design of Buildings” (GB50011-2001), it is the general site for construction, refer to “Zoning Map of Site Type and Site Anti-shock Lot” for more details.