Results 11 to 20 of about 6,618 (262)

Ground loading of shallow tunnels under seismic scenario

Yantu gongcheng xuebao, 2020
Based on the calculation diagram specified by the current codes, the horizontal slice principle and the horizontal seismic coefficient are introduced to establish a general method for calculating the ground loading of shallow tunnels under seismic ...
LU Qin-wu , DENG Tao , GUAN Zhen-chang
doaj   +1 more source

Reinforcement loads of geosynthetic-reinforced soil retaining walls under horizontal earthquake loading

Yantu gongcheng xuebao, 2022
The geosynthetic reinforced soil (GRS) retaining walls generally exhibit good seismic performance. However, the existing design specifications generally make use of seismic loading parameters that are not totally rational when it comes to the estimation ...
LIU Hua-bei
doaj   +1 more source

Influence of Seismic Loading on Segment Opening of a Shield Tunnel

The Scientific World Journal, 2014
The influence of seismic loading on segment opening of a shield tunnel was explored using the dynamic finite element method to analyze the distribution of segment opening under multidirectional seismic loading, combined with a typical engineering ...
Yang Chun-shan, Mo Hai-hong, Chen Jun-sheng, Wang Yi-zhao   +3 more
doaj   +1 more source

Source Parameter Inversion and Century-Scale Stress Triggering Analysis of the 2021 Maduo M_W7.4 Earthquake Using GNSS and InSAR Displacement Fields

Remote Sensing, 2023
To explore the degree of constraint by Global Navigation Satellite System (GNSS) and Interferometric Synthetic Aperture Radar (InSAR) data on the Maduo earthquake within a layered earth model structure and to gain an insight into the seismogenic ...
Keke Xu, Shuaipeng Wang, Tongtong Wan
doaj   +1 more source

Analysis of the Seismic Behavior of a Wall Pier of a Covered Bridge Based on the Multi-Layer Shell Element

Applied Sciences, 2022
To investigate the seismic behavior of the wall pier of a covered bridge, the multi-layer shell element in OpenSEES was used to carry out the numerical analysis under a horizontal low cyclic loading in the weak axis direction.
Wenhua Qiu, Kehai Wang, Weitao Yin
doaj   +1 more source

Influence of design modification of control rod assembly for Prototype Generation IV Sodium-cooled Fast Reactor on drop performance

Nuclear Engineering and Technology, 2019
This paper presents the drop performance test of the control rod assembly which is one of the main components strongly related to the safety of the prototype generation IV sodium-cooled fast reactor.
Jin Gwan Son, Jae Han Lee, Hoe Woong Kim, Sung Kyun Kim, Jong Bum Kim   +4 more
doaj   +1 more source

REGULATION OF SEISMIC LOAD ON BUILDINGS SEISMIC DEVICES

Herald of Dagestan State Technical University. Technical Sciences, 2013
The issues of regulation of seismic loads on structures using kinematic supports of highstrength concrete on the impregnated coarse aggregate and seismic isolation bearings Belleville. The results of experimental studies related to the obtaining of a new coarse aggregate and construction of seismic isolation bearings.
Kh. N. Mazhiev, D. K-S. Bataev, Kh-M. S. Dukhaev, K. Kh. Mazhiev, A. Kh. Mazhieva   +4 more
openaire   +3 more sources

The Expression of Seismic Surrounding Rock Pressure for a Shallow Tunnel Is Derived Using the Pseudostatic Method

Advances in Civil Engineering, 2021
Terzaghi developed a generalized expression of the vertical surrounding rock pressures of shallow tunnels by considering the limit equilibrium of soil masses.
Zhengde Wei, Yanpeng Zhu
doaj   +1 more source

Fatigue behaviors of the steel pipe tee in a nuclear power plant piping system under in-plane cyclic loading

Energy Reports, 2020
The safety of a nuclear power plant against earthquakes can be improved by installing seismic isolation devices. As such seismic isolation devices handle seismic loads, however, displacements larger than those generated before the application of such ...
Sung-Wan Kim, Bub-Gyu Jeon, Da-Woon Yun
doaj   +1 more source

Analysis of Pile–Soil Interaction Mechanisms for Wind Turbine Tower Foundations in Collapsible Loess Under Multi-Hazard Coupled Loading

Buildings
This study investigates the stability of high-rise wind turbine tower foundations in collapsible loess regions through finite element analysis. The mechanisms by which wind load, extreme rainfall load, and seismic load interact during the dynamic ...
Kangkai Fan, Shaobo Chai, Lang Zhao, Shanqiu Yue, Huixue Dang, Xinyuan Liu   +5 more
doaj   +1 more source