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Article

8 Citations

4,282 Views

13 Pages

Evaluating a Human Ear-Inspired Sound Pressure Amplification Structure with Fabry–Perot Acoustic Sensor Using Graphene Diaphragm

Cheng Li,
Xi Xiao,
Yang Liu and
Xuefeng Song

Nanomaterials2021, 11(9), 2284;https://doi.org/10.3390/nano11092284

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2 September 2021

In order to enhance the sensitivity of a Fabry–Perot (F-P) acoustic sensor without the need of fabricating complicated structures of the acoustic-sensitive diaphragm, a mini-type external sound pressure amplification structure (SPAS) with double 10 μ...

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Article

9 Citations

2,613 Views

21 Pages

Mechanical Behavior and Excavation Optimization of a Small Clear-Distance Tunnel in an Urban Super Large and Complex Underground Interchange Hub

Jianxiu Wang,
Ansheng Cao,
Zonghai Li,
Zhao Wu,
Lihua Lin,
Xiaotian Liu,
Huboqiang Li and
Yuanwei Sun

Appl. Sci.2023, 13(1), 254;https://doi.org/10.3390/app13010254

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25 December 2022

Close excavation section spacing, the mutual influence and interpenetration of various processes, and the multiple disturbances of the middle rock pillar in a small clear-distance tunnel pose great difficulty to construction. This study adopted the s...

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