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Yunrui Han,Long Yu,Qing Yang 대한토목학회 2021 KSCE JOURNAL OF CIVIL ENGINEERING Vol.25 No.7
The undrained shear strength of clay is important for deep-sea foundation design. T-bar penetrometer as a key tool has been widely used in laboratory and offshore site investigation. To obtain a continuous soil strength profile, it is necessary to apply shallow corrections before the penetrometer reaching the full-flow state. Meanwhile, the actual soil strength may be underestimated if the strain softening behavior is not considered. In this study, the process of T-bar penetration is analyzed for the soil with strain softening. The buoyancy effect on the bearing capacity factor is studied, which shown that the buoyancy mainly has an effect on the test soils with extremely low strength, but have little effect in the field tests. The characteristics of soil heave in the T-bar tests are analyzed to estimate soil sensitivities. To estimate the soil strength at shallow penetration depth, a relation to correct the T-bar bearing factors is built both on the soil with strain softening and no strain softening.
A review of the recent advances in design of corrugated plate packs applied for oil–water separation
Yunrui Han,Limin He,Xiaoming Luo,Yuling Lü,Kaiyue Shi,Jianheng Chen,Xin Huang 한국공업화학회 2017 Journal of Industrial and Engineering Chemistry Vol.53 No.-
The paper reviews the contradictions and problems existing on the oil–water separation technology in detail from the perspective of experiments, numerical simulation and coalescence mechanism analysis, and the future research directions are forecasted. The review points out that the law of droplet coalescence on the corrugated plates can be studied from the perspective of microscopic experiment and mechanism research, which are the theoretical bases for clarifying the coalescence mechanism of the corrugated plates and refining the droplet coalescence mathematical model. The further research topics are also clarified to promote future applications by combining the coalescence technology with surface bionic technology.