Results 51 to 60 of about 10,816,940 (248)

The Failure Mechanism of Concrete Gravity Dams considering Different Nonlinear Models under Strong Earthquakes

Shock and Vibration, 2021
The paper focuses on the failure process and mechanism of the concrete gravity dam considering different nonlinear models under strong earthquakes. By taking a typical monolith of a concrete gravity dam as a case study, a comparative analysis of the ...
Chunli Yan, Jin Tu, Deyu Li, Shengshan Guo, Hui Liang   +4 more
doaj   +1 more source

The damage and failure mechanism of prestatically loaded rock during medium‐strain rate cyclic impact loading

Deep Underground Science and Engineering, EarlyView.
Based on experimental results and theoretical analysis, an established rock damage accumulation model that comprehensively considers the preapplied static load, impact peak value, impact frequency, and impact times. Abstract To study the rock damage mechanism under high static loading and superimposed medium strain rate cyclic impact loading, a series ...
Wei Wang, Hanpeng Wang, Zicheng Wang, Xinyuan Xie, Yunhao Wu, Jinhou Zhang, Dekang Sun   +6 more
wiley   +1 more source

Traveling Wave Resonance and Simplified Analysis Method for Long-Span Symmetrical Cable-Stayed Bridges under Seismic Traveling Wave Excitation

Shock and Vibration, 2014
The seismic responses of a long-span cable-stayed bridge under uniform excitation and traveling wave excitation in the longitudinal direction are, respectively, computed.
Zhong-ye Tian, Meng-lin Lou
doaj   +1 more source

Geo-environment and seismic process: problems of management

Геофизический журнал, 2011
On the basis of the concept on geomedium as an energy-saturated open nonlinear system with attraction of elements from the apparatus of modern theory of complicated nonlinear systems management, possibilities and methods of impact are considered of ...
V. N. Shuman
doaj   +1 more source

Exploring wave propagation behaviors in rock: A grain‐based perspective on mineral structures

Deep Underground Science and Engineering, EarlyView.
This study investigates wave propagation in rock at the grain scale using a grain‐based model, revealing that mineral elastic modulus significantly influences wave attenuation while grain size and distribution have limited effects. A novel peak particle velocity attenuation prediction model is proposed and validated for grain‐scale wave propagation ...
Zhiyi Liao, Jiachen Xu, Kai Zhang, Changtai Zhou   +3 more
wiley   +1 more source

Definition of seismic and tsunami hazard scenarios by exploiting EU-India Grid e-infrastructures [PDF]

, 2012
Seismic hazard assessment can be performed following a neo-deterministic approach (NDSHA), which allows to give a realistic description of the seismic ground motion due to an earthquake of given distance and magnitude.
Panza, G., Parvez, I. A., Parvez, I., Peresan, A., Rastogi, B., Magrin, A., Cozzini, S., Magrin, Andrea, VACCARI, FRANCO, Vaccari, F., Rastogi, B. K., PANZA, GIULIANO, PERESAN, ANTONELLA   +12 more
core  

An optimizing microseismic method for rock burst early warning based on mining production process

Deep Underground Science and Engineering, EarlyView.
A classification early warning method of rock burst based on hourly microseismic data is proposed, which can be combined with the on‐site production process to provide more timely warning. Abstract Microseismic (MS) events have been reported in nearly every coal mining country, which could well lead to rock burst in underground coal mines.
Zepeng Han, Linming Dou, Wu Cai, Mingbo Chi, Guojun Xi, Shuai Chen, Biao Jiao   +6 more
wiley   +1 more source

Generating Input Ground Motions for Seismic Risk Assessment Using Recorded Ground Motions from the Moderate Magnitude Earthquake

Applied Sciences
To secure the seismic performance of structures, seismic risk assessment is necessary to quantify safety against beyond-design-based earthquakes and seismic design.
Hae Yeon Ji, Jung Han Kim
doaj   +1 more source

Effects of mining subsidence observed by time-lapse seismic reflection profiling [PDF]

, 1995
Extracting coal from underground mineworkings causes the overlying rocks to subside with associated changes in the stress regime. The aim of the study reported here was to apply the surface seismic reflection method to study the effect of subsidence on ...
Al-Rawahy, Salim Y.S.
core  

Three-dimensional tomographic inversion of combined reflection and refraction seismic travel-time data

, 2003
A tomographic inversion method is presented for the determination of 3-D velocity and interface structure from a wide range of body-wave seismic traveltime data types.
T. A. Minshull, Minshull, Ta, J. W. D. Hobro, Singh, Sc, S. C. Singh, Hobro, Jwd, Minshull, T.A., Hobro, J.W.D., Singh, S.C.   +8 more
core   +1 more source