岩土工程勘察技术任务书(简明一次性详勘)Geotechnical specification勘查技术要求Technical requirements of Geotechnical investigation 1. 根据国家及上海市现行的《岩土工程勘察法律规范》及《地基基础设计法律规范》的有关要求进行详勘。To conduct detailed geotechnical investigation in accordance with the current Code for investigation of geotechnical engineering and Code for design of building foundation。2. 查明不良地质作用的类型、成因、分布范围、进展趋势和危害程度,提出整治方案的建议。To find outadverse geologic actions, if any, analyze its type, cause of formation , distribution range, development trend and degree of damage 。 And then propose some comments about how tomake improvement based on the analysis。3. 查明建筑范围内各土层的类型、深度、分布、工程特性,分析和评价地基的稳定性、均匀性和承载力.提供适宜的基础持力层,如该持力层的深度有较大变化,应适当增加勘探点间距以保证基础埋深的准确性。如建议采纳桩基,应提供桩基设计所需的有关参数,提出桩的类型、长度、桩尖持力层和沉桩方式的建设。提供单桩承载力(含抗压、抗拔及水平力)的计算参数,预估单桩抗压、抗拔及水平承载力的极限值、特征值及设计值。 To ascertain the type, depth and distribution of various soil layers within the building area as well as the engineering characteristics; To analyze and evaluate the stability, uniformity and bearing capacity of ground foundation; To make proper foundation bearing stratum available, and if depth of bearing stratum changes a lot, distance among exploratory points shall be increased to ensure that the depth of foundation embedment is correct; If pile foundation is suggested, offer relevant parameters necessary for pile foundation design, pile type, pile length, bearing stratum of pile tip and pile sinking method; To offer the parameters by which the bearing capacity of single pile is calcula...