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某风力发电厂内110kV变电站电缆沟设计为1200mm×1300mm无筋C25现浇混凝土结构,盖板为预置C20钢筋混凝土L50×50角铁护边盖板。电缆沟内一侧设有排水沟,另一侧设有电缆支架,其预埋铁件为-150mm×150mm×10mm带10锚筋钢板,设计尺寸及预埋位置见图1。
The cable trench of 110kV substation within a wind power plant is designed to be 1200mm × 1300mm non-reinforced C25 cast-in-place concrete structure and the cover is L50 × 50 angle iron edge cover of preset C20 reinforced concrete. One side of the cable trench is provided with a drainage ditch and the other side is provided with a cable support. The embedded iron piece is -150mm × 150mm × 10mm with 10-shaped steel bars. The designed dimensions and the embedded positions are shown in FIG. 1.