This code stipulates tasks, work contents, investigation methods andtechnical requirements on each stage of investigation and design forsmall and medium hydropower projects (hereinafter referred to ashydropower projects).It applies to engineering geologic...[继续阅读]

    The following standards contain provisions which, through referencein this text, constitute provisions of this Code. For dated reference,subsequent amendments to, or revisions of, any of these publicationsdo not apply, while parties to agreements based on...[继续阅读]

    The following terms apply to this code.3.1.1 Engineering geological investigation of hydropower projectA comprehensive geological investigation, involving engineeringgeological mapping, geophysical prospecting, drilling exploration,adit exploration, in-si...[继续阅读]

    The following symbols apply to this code.f Friction factorc Cohesive forceK Permeability coefficientE0 Deformation modulusμ Poisson’s ratioRb Uniaxial compression strength of saturated rockS Ratio of strength to stress of surrounding rockσm Maximum princi...[继续阅读]

    4.0.1 Classification of small and medium hydropower projectsshall be in compliance with the provisions of DL 5180.4.0.2 Engineering geological investigation of small and mediumhydropower project shall be divided into five stages: planning,pre-feasibility ...[继续阅读]

    5.1.1 The geological conditions of cascade development scheme ofthe river or reaches shall be learned about. And the geologicalanalysis shall be conducted for site selection of the project to bedeveloped recently and the engineering geological data shall ...[继续阅读]

    5.2.1 Regional geology and earthquake investigation on a plannedriver or its reaches shall cover the following contents.(1) Regional topographical and geomorphic features.(2) Regional distribution of stratum and rock type and the genetictype of Quaternary...[继续阅读]

    5.3.1 Investigation contents for each cascade reservoir shall coverthe followings.(1) Learn about the basic geological conditions in reservoir area.(2) Learn about distribution scopes of landslide, potential unstableslope, debris flow, possible collapse a...[继续阅读]

    5.4.1 Investigation contents of each cascade dam site shall coverthe followings.(1) Learn about the topographical and geomorphic characteristics atdam site.(2) Learn about stratum, types of bedrock, distributions of soft rock,genetic types of Quaternary s...[继续阅读]

    5.5.1 Investigation of long headrace route shall cover thefollowings.(1) Learn about the topographical and geomorphic characteristics ofthe headrace route and powerhouse site.(2) Learn about stratigraphy, rock type, distribution and genetic typeof Quatern...[继续阅读]