6.5.1 Permanent expansion joints should be provided betweenadjacent buildings such as powerhouse and dam, erection bay,auxiliary plant, etc. Settlement joints shall be provided at thepositions where foundation with significant differences, powerhouseexcav...[继续阅读]

    4.2.1 Permanent action (load), variable action (load), accidentalaction(load) shall be considered in structure.4.2.2 Different representative values of a load shall be adoptedcorresponding to different action (load) in structure design.Characteristic valu...[继续阅读]

    6.4.1 Powerhouse substructure, such as spiral case, draft tube,tubular-shaped foundation of tubular turbine, entrance section ofwater retaining powerhouse, wall pier under water and base slab offoundation, may be designed as an independent structure. For ...[继续阅读]

    9.2.1 Architectural design of powerhouses shall conform to thefollowing principles.(1) Attention shall be paid to style, energy saving and consumptionreducing. Meanwhile, the structure technology, architecture art andfunction shall be coordinated.(2) The ...[继续阅读]

    8.3.1 The arrangement of powerhouse for horizontal impulseturbine units shall also meet the following requirements.(1) Axis of unit should be arranged along the longitudinal direction ofpowerhouse.(2) Spacing between generator units may be determined by t...[继续阅读]

    6.1.1 Structural system of powerhouse shall meet the followingrequirements.(1) Transmission pathway of action (load) is definite.(2) It can be avoided that the bearing capacity for whole structure lostdue to the destruction of partial structure or compone...[继续阅读]

    5.3.1 Powerhouse foundation shall meet the followingrequirements.(1) Bearing capacity.(2) Powerhouse stability against sliding and deformation control.(3) Seepage control and seepage stability.(4) Durability, and prevent the deterioration of foundation ro...[继续阅读]

    7.2.1 The stability of tunnel surrounding rock shall becomprehensively evaluated based on the factors such as thegeological conditions and physical-mechanical properties of rockmass, geo-stress, underground water, layout of cavern group,construction metho...[继续阅读]

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    2.0.1 Water retaining powerhouseThe powerhouse located in a natural or artificial excavated channelwith water retaining effect, which directly bears theupstream water pressure.2.0.2 Powerhouse at dam-toeThe powerhouse located near the downstream of dam to...[继续阅读]