Results 11 to 20 of about 2,611 (203)
Geophysical Monograph Series, Page 117-131., 2021 Exploring the links between Large Igneous Provinces and dramatic environmental impact
An emerging consensus suggests that Large Igneous Provinces (LIPs) and Silicic LIPs (SLIPs) are a significant driver of dramatic global environmental and biological changes, including mass extinctions.
Benjamin Black +4 more
wiley +2 more sources
Research on the Multi-Angle Seismic Spectrum Response Law of Auxiliary Feedwater Electric Pumps
Applied Sciences, 2023 The auxiliary feedwater electric pump, which is vital in nuclear power units, demands exceptional seismic reliability. The impact of the seismic excitation direction on the seismic response of the complex auxiliary feedwater electric pump structure ...
Zhongxu Tian +3 more
doaj +1 more source
Shaking Table Test of High Pier and Small Radius Curved Bridge under Multi-point Excitation
Advances in Civil Engineering, 2021 The non-uniform stratum and uneven surface have the complicated seismic spatial variability. The seismic response of high pier and small radius curved bridge caused by the seismic specificity of this kind of terrain has not been systematically studied ...
Lei Yan +4 more
doaj +1 more source
Seismic response analysis of long shield tunnels under non-uniform excitation
Yantu gongcheng xuebao, 2020 The numerical simulation method is used to study the seismic response of the soil-tunnel system under non-uniform excitation. The aim is to explore the response laws of the underground structures under non-uniform excitation and its difference with those
WANG Guo-bo 1, 2, BA Feng1, SUN Fu-xue 2, YUAN Ming-zhi 1, HAO Peng-fei 1
doaj +1 more source
Advances in Civil Engineering, 2021 This paper studies the seismic response of buried oil and gas pipelines under the bidirectional nonuniform excitation. Based on the bidirectional shaking table array test, the loading and testing scheme is designed and developed, analyzing the strain ...
Jianbo Dai +3 more
doaj +1 more source
Shock and Vibration, 2021 The seismic response of buried oil and gas pipelines is mainly influenced by the site soil. In this paper, a bidirectional laminar shear continuum model box is developed for the site response of buried oil and gas pipelines under transverse multipoint ...
Jianbo Dai +3 more
doaj +1 more source
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
Shock and Vibration, 2021 The buried oil and gas pipeline is a linear structure with infinite length. In the shaking table test of its seismic response, it is necessary to input the spatially related multipoint seismic wave considering the propagation characteristics of ground ...
Jian-Bo Dai +3 more
doaj +1 more source
Revista IBRACON de Estruturas e Materiais, 2021 : This work aims to verify the influence of the foundation and the reservoir on the dynamic behavior of concrete gravity dams in terms of the natural frequencies, vibration modes for a free vibration analysis; and in terms of maximum displacements and ...
Iarly Vanderlei da Silveira +2 more
doaj +1 more source
Soils and Foundations, 2023 An earth dam in service is a complex system that has different dynamic failure modes under different ground motion excitations with a certain correlation between the different failure modes.
Min Xiong, Wenwen Wang, Yu Huang
doaj +1 more source