bucket of dam 中文意思是什麼
bucket of dam
解釋
大壩反弧段-
In harsh climate region, mere exists obvious local stress concentration near the upstream and downstream of the exposed - in - winter horizontal surface of the rcc dam, and the surface of spillway bucket though heat insulation is applied on the surfaces, tensile stress still exceeds the allowable one of concrete. this paper puts forward to adopt preset crack to avoid occurring more cracks. the special crack model is applied to simulate the dam preset crack, and the joint model of fracture mechanics is induced into strain - soften model
在結構措施方面，針對嚴寒地區高碾壓混凝土重力壩壩體越冬層面的上、下游面附近及溢流壩堰面反弧段表面有明顯的局部應力集中象現，在已採取一定的表面保溫防護的條件下，拉應力仍然超過混凝土容許拉應力，開裂難以避免，進而提出設置碾壓混凝土壩表面預留縫結構措施並對該措施進行深入研究，包括預留縫的擴展穩定和壩體沿預留縫的穩定性，以避免大壩在無措施部位開裂，解決大壩越冬層面水平施工縫的開裂問題。
分享友人