Shear lag is reduced for prestress in serviceability limit state .
在正常使用状态下，预应力平抑了箱梁剪力滞效应。
The concept of serviceability limit state and ultimate limit state is considered.
而且本文考虑了正常使用极限状态和剥离极限状态的概念。
The design of a geotechnical work should satisfy both the ultimate limit state and serviceability limit state requirements.
岩土工程设计需要同时满足极端的极限状态和功能极限状态要求。
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