Single safety coefficient method is still the design criterion of sluice engineering structure presently, but will not present reliability of sluice in a quantitative and scientific way.
目前水闸工程结构设计所采用的设计准则仍为单一安全系数法，该方法不能定量、科学地反映水闸工程的可靠性。
It shows that the modified overall calculation method is more scientific and rational and exact on mix ratio design of self-compacting concrete.
结果表明：改进的全计算法是一种科学、合理、准确的自密实混凝土配合比设计方法。
The results show that the modified overall calculation method is a more scientific, rational and exact method for mix design of self-compacting concrete.
结果表明：改进的全计算法是一种科学、合理、准确的自密实混凝土配合比设计方法。
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