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Natalie S. Grigorieva, Fiodor F. Legusha, Dmitry V. Nikushchenko and Kirill S. Safronov
A numerically efficient technique is presented for computing the backscattered fields from two spherical targets embedded in an underwater sediment. The bottom is assumed to be a homogeneous liquid attenuating half-space. The transmitter/receiver is loca...
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Xiaoxing Su, Jixing Qin and Xiangshuai Yu
This paper reports the interference pattern of an acoustic field in the 100?300 Hz frequency band observed in a shallow water experiment. Assuming there is a conventional fluid sea bottom, the observed interference pattern is first demonstrated to potent...
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Jinhua Xu, Shaohua Liu, Huaqiu Zhou, Rikai Zhang, Bo Wang, Yikang Xu and Wangping Qian
The vehicle-mounted transient electromagnetic method (VMTEM) has been proposed to detect tunnel internal defects in operational tunnels based on the ideal space state. However, the space environment of tunnel surrounding rock is different compared with c...
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Hui Luan, Xiaoyang Yu, Yingying Wang, Qiong Wu and Baofeng Tian
The grounded electrical source airborne transient electromagnetic (GREATEM) system is widely used in groundwater resources detection, geothermal resource detection, geological structure detection, and other fields due to its wide detection range, high de...
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Zaven G. Ter-Martirosyan, Armen Z. Ter-Martirosyan and Huu H. Dam
This article presents a solution for the quantitative evaluation of the stress?strain state (SSS) and the bearing capacity of rectangular foundations, factoring in the unit weight of the soil mass and different values of pre-overburden pressure (POP). In...
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Norbert Jendzelovsky and Katarina Tvrda
This paper deals with the design of a five-storey hospital building, in which we focus on the deterministic and probabilistic analysis of its slab foundation. The hospital building bearing structure was modeled as a reinforced concrete skeleton. The Bous...
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Hoyeon Kim, Daehyeon Kim, Yonghee Lee and Haksung Kim
In order to evaluate the effects of soil box boundary conditions on the dynamic soil behavior, the Rigid Box (RB) and the Laminar Shear box (LSB) were constructed and 1 g shaking table tests were carried out for various boundary conditions. The boundary ...
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Yuan Yao, Chao Sun and Xionghou Liu
When a hydrophone is deployed under the critical depth in deep ocean, the interference pattern will be complex and variable. The waveguide invariant is no longer constant and is treated as a distribution. The interference pattern is impacted by refracted...
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Valeriy Chigirinsky,Olena Naumenko
Pág. 27 - 35
Based on the argument function method and the complex variable function method, we have derived the generalizing solutions to a flat problem on the theory of elasticity using the invariant differential ratios capable of closing the result for the set sys...
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Richard A. Hazelwood, Patrick C. Macey, Stephen P. Robinson and Lian S. Wang
Seismic interface waves generated by seabed impacts are believed to have biological importance. Previous work on the effects of ocean piling and dredging studied water motion adjacent to the seabed, using sediment measurements as reviewed in the literatu...
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