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本文总結了現有估計立堵截流困难程度的研究工作;提出了新的、合理的估計指标;推导了新指标及龙口抛投材料流失量的计算公式。这些公式已得到实验资料及某些实测立堵截流工程资料的驗証。
This paper summarizes the existing research work of estimating the difficulty of interception flow closure, proposes new and reasonable estimation indexes, and deduces the new index and the calculation formula of the material loss of Longkou throwing investment. These formulas have been validated by experimental data and some of the measured clogging engineering data.