考慮隨機(jī)施工缺陷的心墻壩三維滲流特性分析
發(fā)布時(shí)間:2018-11-05 19:37
【摘要】:鑒于在現(xiàn)有的心墻壩滲流分析中很少考慮施工缺陷對(duì)滲流場(chǎng)的影響,通過引入隨機(jī)數(shù)的概念,研究了不同的施工缺陷率和缺陷單元滲透系數(shù)等對(duì)壩體滲流場(chǎng)的影響。結(jié)果表明,施工缺陷的存在會(huì)在一定程度上降低心墻的擋水能力,同時(shí)會(huì)造成心墻局部滲透坡降產(chǎn)生較大改變,從而影響心墻的整體滲透穩(wěn)定性,可見考慮隨機(jī)施工缺陷將更加有利于實(shí)際工程的滲控分析。
[Abstract]:In view of the fact that the influence of construction defects on seepage field is seldom considered in the existing seepage analysis of core dam, the influence of different construction defect rate and defect element permeability coefficient on seepage field of dam body is studied by introducing the concept of random number. The results show that the existence of construction defects will reduce the water retaining capacity of the core wall to a certain extent, and at the same time, will cause a great change in the local seepage slope of the core wall, thus affecting the overall permeability stability of the core wall. It can be seen that considering random construction defects will be more beneficial to the seepage control analysis of practical engineering.
【作者單位】: 河海大學(xué)水利水電學(xué)院;
【基金】:江蘇省自然科學(xué)基金青年基金項(xiàng)目(BK2012410) 江西省水利科技項(xiàng)目(KT201545)
【分類號(hào)】:TV641.25;TV223.4
本文編號(hào):2313165
[Abstract]:In view of the fact that the influence of construction defects on seepage field is seldom considered in the existing seepage analysis of core dam, the influence of different construction defect rate and defect element permeability coefficient on seepage field of dam body is studied by introducing the concept of random number. The results show that the existence of construction defects will reduce the water retaining capacity of the core wall to a certain extent, and at the same time, will cause a great change in the local seepage slope of the core wall, thus affecting the overall permeability stability of the core wall. It can be seen that considering random construction defects will be more beneficial to the seepage control analysis of practical engineering.
【作者單位】: 河海大學(xué)水利水電學(xué)院;
【基金】:江蘇省自然科學(xué)基金青年基金項(xiàng)目(BK2012410) 江西省水利科技項(xiàng)目(KT201545)
【分類號(hào)】:TV641.25;TV223.4
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