1.0.1 This Code specifies the objectives, contents and technicalrequirements of geological work during the construction ofhydropower projects and assures the geological work quality.1.0.2 This Code applies to geological work during the constructionof larg...[继续阅读]

    2.0.1 Geological observationObservation, measurement and recording of specific geologicalphenomena and their changes along with the construction proceeding.2.0.2 Geological inspectionRoutine inspection, measurement and recording of geologicalphenomena in ...[继续阅读]

    3.0.1 The geological work during the construction of hydropowerprojects shall comply with the principles of “whole-process tracking,dynamic control, information management and timely feedback” andshall meet the requirements of eliminating potential geolog...[继续阅读]

    4.1.1 The geological work for surface structure foundations duringconstruction shall cover foundation excavation and foundationsurfaces.4.1.2 The geological work during foundation excavation shallinclude the followings.(1) Conducting routine geological in...[继续阅读]

    4.2.1 Geological inspection for rock foundations mainly includesthe followings.(1) Excavation progress, construction procedures, methods andtechniques as well as damages to foundation rock mass due toexcavation.(2) Lithological change and distribution of ...[继续阅读]

    4.3.1 The following samples should be collected and kept duringconstruction for reference.(1) A complete set of rock/soil samples from structure areas.(2) Representative rock/soil samples of typical sections of foundationsurfaces.(3) Samples of treated fo...[继续阅读]

    4.4.1 Geological prediction shall be conducted in the followingcases.(1) Unveiled geological conditions and problems are significantlyinconsistent with the geological data and conclusions on which thedesigns are based.(2) Abnormal changes of rock/soil mas...[继续阅读]

    4.5.1 Scales of geological logging and mapping should complywith Table 4.5.1. The geological mapping shall be in compliance withDL/T 5185.Table 4.5.1 Scales of geological logging and mapping for surface structure foundations(continued)Note 1: ①Concrete (M...[继续阅读]

    4.6.1 Various investigation data and geological results shall becomprehensively utilized so as to update the engineering geologicalassessment of foundations during the construction.4.6.2 The engineering geological assessment of the whole or zonedfoundatio...[继续阅读]

    5.1.1 Geological work for surrounding rocks of subsurfacestructures is composed of all excavation and the follow-up work offinal section formation. In case of full section excavation is adopted,the geological work may be completed in one operation.5.1.2 T...[继续阅读]