Results 81 to 90 of about 406 (248)

Numerical Simulation Study on the Impact of Excavation on Existing Subway Stations Based on BIM-FEM Framework

open access: yesBuildings
Building information modeling (BIM) and finite element method (FEM) models have a wide range of applications in underground engineering design, construction, and operation and maintenance.
Yi Qiu   +4 more
doaj   +1 more source

Evaluation of The Passenger Areas of Underground Subway Stations In Terms of Visual Comfort: The Sample of Kadıköy and Kartal Stations

open access: yesMegaron, 2017
Nowadays, the rapid urbanization and the transportation problems caused by this, brought up public transportation systems and urban rail systems especially started to be preferred in metropolises. The type with the highest passenger capacity of the urban
Didem Aktop Maden, Erkan Avlar
doaj   +1 more source

Seismic performance levels of frame-type subway underground station with three layers and three spans

open access: yesYantu gongcheng xuebao, 2020
According to the rules in the seismic code of China, six different site classifications are designed and expanded. Considering the effects of diaphragm walls and input ground motion intensity, the dynamic damage characteristics, failure process and ...
YANG Jing 1, YUN Long 2, ZHUANG Hai-yang 1, REN Jia-wei 1, CHEN Wen-bin 1
doaj   +1 more source

Experimental Study of Smoke Control in Subway Station for Tunnel Area Fire by Water Mist System

open access: yes, 2011
Full scale experiments were performed in an underground subway station to investigate the effect of water mist on smoke flow from tunnel area to platform through shield door. Smoke temperature, species concentrations and smoke visibility were measured at
null S.M.Lo   +7 more
core   +1 more source

Daily Residential Natural Gas Demand Forecasting Using Machine Learning Regression: Comparative Evaluation With a Case Study in Qazvin Province, Iran

open access: yesEnergy Science &Engineering, EarlyView.
This graphical abstract summarizes the proposed framework for improving short‐term residential natural gas consumption forecasting by integrating a novel socioeconomic indicator, the subscription growth ratio (SGR), with conventional meteorological variables.
Ali Pirzad, Mostafa Khanzadi
wiley   +1 more source

Seismic Vulnerability Evaluation of Metro Station Complex Structures in TOD Mode Based on IDA Method

open access: yesBuildings
In order to further study the dynamic response and damage status of the subway station structure and promote the development of the TOD (transit-oriented development) mode structure system, this paper proposes a calibration method for the seismic ...
Wenbo Li   +4 more
doaj   +1 more source

SIMULATION OF COLLISION CONTACTS AMONG DISJOINED SOIL-STRUCTURE BODIES UNDER SEISMIC MOTIONS

open access: yes, 2013
[[abstract]]Structure bodies and surrounding soils in certain types of bridges and tunnels may be prone to collisions during earthquake. A dynamic system composed of discrete and finite elements is developed using explicit formulation for equations of ...
WANG, CHING-JONG
core   +1 more source

De‐Carbonizing the Transport Sector on the University Campus: A Techno‐Economic‐Environment Assessment and Optimization of PV Fed Electric Bicycles Amid Global Fuel Crisis

open access: yesEnergy Science &Engineering, EarlyView.
This study develops and evaluates a solar PV‐fed electric bicycle system optimized for university campuses in Pakistan. The techno‐economic analysis demonstrates significant fuel savings, emission reductions, and sustainability benefits, promoting a cost‐effective, eco‐friendly, and renewable transportation alternative amid rising global fuel and ...
Muhammad Abdullah Khan   +4 more
wiley   +1 more source

Time-history analysis method for soil-underground structure system based on equivalent linear method

open access: yesYantu gongcheng xuebao, 2018
Site seismic analysis plays an important role in the practical seismic design of underground structures, and the equivalent linear method is a widely-used approach for the seismic response analysis of one-dimensional soil layer.
DU Xiu-li , XU Zi-gang , XU Cheng-shun , LI Yang , JIANG Jia-wei
doaj   +1 more source

Mechanisms of Roadway Instability and Coupled Control Technology for Working Face Passing Through Fault Zones

open access: yesEnergy Science &Engineering, EarlyView.
This study mainly explores the instability characteristics of roadways near faults in the working face. Taking the 51104 transportation roadway of the 51104 working face in Shengxin Coal Mine as the main research object, through theoretical analysis, borehole inspection, numerical simulation and on‐site mine pressure observation, the instability ...
Shuaifeng Yin   +4 more
wiley   +1 more source

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