Therefore, linear elastic fracture mechanics can be applied to stability analyses of cracks in mass concrete structures and to improving design methods of hydraulic structures.

因此线弹性断裂力学可以很好地应用于大体积混凝土结构的裂缝稳定性分析和改进水工结构的设计方法。

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The properties of the rock-mass and soil-body in the dam area decide the price and cost of the project and have got the important influence to the safe construction of the hydraulic structures.

坝区岩土体的工程地质性质在很大程度上决定了水电工程的造价和成本，对水工建筑物的安全施工和运营有着重要的影响。

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This provides a new way of thinking for the optimization of hydraulic structures for PDC bits.

该结论为PD C钻头水力结构的优化提供了新的思路。

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The conference will be an opportunity for interested scientists to share their ideas and establish long-term collaborations for study and research on Historic Hydraulic Structures.

UNESCO: Water Portal | Water Events Worldwide

This conference is another important step initiated by the International Centre on Qanats and Historic Hydraulic Structures (ICQHS) - a category 2 centre under the auspices of UNESCO - to collect and document traditional knowledge available on water resources management from around the globe while providing a forum for presenting new views on the topic.

UNESCO: Water Portal | Water Events Worldwide

The EPA has subpoenaed Halliburton for the secret formula for the liquid chemical cocktail it pumps into underground rock structures so natural gas can be accessed through a process known as hydraulic fracturing or fracking.

FORBES: EPA subpoenas Halliburton over fracking