Analysis on stability and structural stress of chute bottom slab of overflow concrete faced rock2fill dam
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Abstract:
On the basis of the deriv ed ca lculatio n formula for the anti2sliding safety coefficient of chute bott om slab, the sensitiv i2 ty ana lysis o f bo ttom slab stability w as performed using the intuitive analysis method w ith o rtho gonal design, which indicated that the leng ths of anti2sliding plate and bottom slab, and t he ov erflow aver age velocity ar e the main facto rs to affect the stabili2 ty . From the perspect ive o f anti2sliding stability , the max imum allow able f low v elo city of the bottom slab was abo ut 15. 33~ 40. 67 m/ s. Based o n o ne practical project , the ant i2sliding stability of chut e bot tom slab and the st ress betw een the anti2sliding plate and bottom slab w ere inv est igated under the reinfo rcement effect of sing le anti2sliding plate.
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