Shake table test and seismic fragility analysis of transmission tower-line system considering duration effect

L Tian, M Yang, J Liu, Z Ma, J Gong, H Chen… - Thin-Walled Structures, 2024 - Elsevier
Although extensive attention has been devoted to the influence of ground motion duration
on the seismic performance of various structures, the integration of the duration effect into …

Seismic performance analyses of pile-supported transmission tower-line systems subjected to depth-varying spatial ground motions

C Li, H Pan, L Tian - Journal of Earthquake Engineering, 2023 - Taylor & Francis
Past major earthquakes have witnessed extensive pile-supported transmission tower-line
systems (PSTLs) failing, which highlights the great susceptibility of PSTLs to damage from …

Ensuring the structural safety of overhead transmission lines by design

JX Li, G McClure, SH Wang - Journal of Aerospace Engineering, 2021 - ascelibrary.org
During service, transmission lines (TLs) will be subjected to unbalanced longitudinal loads
due to events such as conductor breakage, insulator failure, and sudden ice shedding …

Conditioned simulation of ground‐motion time series at uninstrumented sites using Gaussian process regression

A Tamhidi, N Kuehn, SF Ghahari… - Bulletin of the …, 2022 - pubs.geoscienceworld.org
Ground‐motion time series are essential input data in seismic analysis and performance
assessment of the built environment. Because instruments to record free‐field ground …

Probabilistic seismic demand model and fragility analysis of transmission tower subjected to near-field ground motions

L Tian, H Pan, R Ma - Journal of Constructional Steel Research, 2019 - Elsevier
Electricity transmission system is well recognized as a lifeline system in the modern society,
and its failures in past major earthquakes have aroused the concern about its seismic …

Shaking table test on 1000 kV UHV transmission tower-line coupling system

H Liang, Q Xie, X Bu, Y Cao - Structures, 2020 - Elsevier
Ultra high voltage (UHV) transmission tower-line coupling system consists of transmission
lines (conductors and ground wires) supported by a series of lattice towers. However, in the …

Influence of different criteria for selecting ground motions compatible with IEEE 693 required response spectrum on seismic performance assessment of electricity …

L Tian, R Ma, B Qu - Engineering Structures, 2018 - Elsevier
Electricity transmission towers are vital in minimizing the risk of disruption of power supply
after earthquakes. However, no guidelines currently exist for seismic performance …

Shake table tests of steel towers supporting extremely long-span electricity transmission lines under spatially correlated ground motions

L Tian, X Gai, B Qu - Engineering structures, 2017 - Elsevier
Transmission lines from electricity transmission systems crossing wide rivers or canyons can
have much longer spans (eg longer than 1000 m) compared with components from …

Orienting ground motion inputs to achieve maximum seismic displacement demands on electricity transmission towers in near-fault regions

L Tian, S Yi, B Qu - Journal of Structural Engineering, 2018 - ascelibrary.org
This investigation was focused on developing an approximate approach for properly
orienting ground motion inputs to achieve the maximum displacement demands on …

Seismic response control of transmission tower-line system using SMA-based TMD

L Tian, M Zhou, C Qiu, H Pan, K Rong - … and Mechanics, An Int'l Journal, 2020 - dbpia.co.kr
This study proposes a new shape memory alloy-tuned mass damper (SMA-TMD) and
investigates the effectiveness of this damper in reducing and controlling the vibrations of a …