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费鲁水电站位于塞内加尔河河岸边,引水渠道存在斜交渠道边墙且倾向渠道内的陡倾裂隙J15,导致渠道边墙岩体有失稳的可能,需要对此危岩体进行稳定计算,并提出锚固措施。先采用平面滑动法计算危险岩体的稳定系数,然后计算锚固力,确定锚杆为Φ25,为Y0+440～Y0+458:2.0m(行距)×1.0m(列距),Y0+458～Y0+492:1.5m(行距)×1.5m(列距)。布置间距。
Feilu Hydropower Station is located on the bank of the Senegal River. There is a steeply dipping gap J15 in the diversion channel which is a side wall of the bias channel and tends to cause instability of the rock mass on the side wall of the channel. Stable calculations should be made for this dangerous rock mass. Proposed anchoring measures. First, the stability coefficient of dangerous rock mass is calculated by the plane sliding method, then the anchoring force is calculated, the bolt is determined as Φ25, Y0 + 440 ~ Y0 + 458: 2.0m (row spacing) × 1.0m Y0 + 492: 1.5m (line spacing) × 1.5m (column distance). Arrange the spacing.