7.10.1 Investigation for spillway shall include the followings.(1) Ascertain the stratigraph, rock type, geological structure,distribution of main weak interlayers, and the degree and depth ofrockmass weathering and relaxation.(2) Ascertain the permeabili...[继续阅读]

    7.11.1 For navigation structures, the engineering geologicalconditions of foundations and slopes of approach channel, shiplift,upper and lower lock heads of shiplock, lock chamber, wharfs onupstream and downstream shall be ascertained. Analyze therelation...[继续阅读]

    7.12.1 Investigation for cofferdam shall comply with thefollowings.(1) Investigation content and method of earth-rockfill cofferdamsmay be properly simplified referring to those in 7.3.1 and 7.3.2.(2) Investigation content and method of concrete cofferdam...[继续阅读]

    7.13.1 Investigation for natural construction materials shall includethe following contents.(1) Detailed investigation of natural construction materials shall beconducted on the basis of investigation results at pre-feasibility studystage.(2) Investigatio...[继续阅读]

    7.14.1 The main text of engineering geological investigation reportat the feasibility study stage shall include executive summary,regional tectonic stability, engineering geological condition ofreservoir, engineering geological condition of dam site, natu...[继续阅读]

    8.1.1 Engineering geological investigation at tender design stageshall be carried out on the basis of the approved feasibility studyreport. According to the review comments and design requirements atfeasibility study, the investigation shall include check...[继续阅读]

    8.2.1 The review of engineering geological problems shall includethe following main contents.(1) Engineering geological conditions of the reservoir.(2) Engineering geological conditions of project structures.(3) Engineering geological conditions of main t...[继续阅读]

    8.3.1 Investigation of special engineering geological problems shallinclude the following contents.(1) Pending special engineering geological problems or reviewcomments at the feasibility study stage.(2) Engineering geological conditions and problems whic...[继续阅读]

    8.4.1 The engineering geological conditions of temporary(ancillary) buildings planned in main structure areas, such as mainconstruction roads, bridges, spoil areas, auxiliary production systemand facilities shall be investigated so as to conduct the geolo...[继续阅读]

    8.5.1 The engineering geological conditions of concentratedresettlement areas for reservoir’s immigrants and specialrehabilitation sites shall be reviewed, and necessary supplementaryexplorations shall carried out in accordance with the implementationof r...[继续阅读]