Results 1 to 10 of about 10,194 (50)

Second-order effects in horizontally loaded reinforced concrete columns

Studia Geotechnica et Mechanica, 2023
This paper deals with the second-order effects in horizontally loaded reinforced concrete columns. The current standard approach according to Eurocode 2 is the starting point for the considerations. Simplified methods that take into account the secondary
Pędziwiatr Janusz, Musiał Michał
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Experimental study on mechanical properties of granite after reaction with supercritical carbon dioxide at high temperature and high pressure

Rock and Soil Mechanics, 2022
In order to study the effect of supercritical carbon dioxide (ScCO2) on the mechanical properties of granite located in and near the core of the CO2-based enhanced geothermal system (EGS) region, fluid–rock interaction experiments were conducted at 210 ...
XUE Hui, SHU Biao1, CHEN Jun-jie, LU Wei, HU Yong-peng, WANG Yi-min, ZENG Fan, HUANG Ruo-chen   +7 more
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Effect of rock bolt support mechanism on tunnel deformation in jointed rockmass: A numerical approach

Underground Space, 2021
A parametric study was conducted to determine the influence of different bolt parameters (bolt length and diameter) on the maximum induced boundary displacements in jointed rockmass, using a numerical method based on finite element code.
Ratan Das, Trilok Nath Singh
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Relationship between rock macro- and micro-properties and wellbore breakout type

Underground Space, 2021
This study numerically investigates the effect of material micro- and macro-parameters on the failure mechanisms and geometry of a wellbore breakout. The analysis of the borehole breakout is essential in addressing wellbore stability, well completion ...
Hossein Rahmati, Alireza Nouri, Dave Chan, Hans Vaziri   +3 more
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Long rectangular box jacking project: A case study

Underground Space, 2021
Rectangular pipe jacking or box jacking has become more popular in municipal applications because of its better adaptability to shallow overburdens and its higher structural section utilization than the conventional circular pipe jacking. This case study
Xiaolong Chen, Baosong Ma, Mohammad Najafi, Peng Zhang   +3 more
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Building three-dimensional pedestrian networks in cities

Underground Space, 2021
With the rapid growth of automobile transport over the last century, conflicts between automobile and pedestrian transport have been viewed as a major concern in urban and transport planning. Elevated and underground pedestrian networks, which compensate
Jianqiang Cui
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Reliability-based design of lining structures for underground space against water seepage

Underground Space, 2021
The use of underground spaces is becoming increasingly important in this era of rapid urbanization and population growth. However, underground spaces are susceptible to water ingress, which may trigger the deterioration of their structural performance ...
Cao Wang
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Reliability analysis of slope and random response of anti-sliding pile considering spatial variability of rock mass properties

Rock and Soil Mechanics, 2021
In the reliability analysis of slope stability, the deterministic analysis method is usually used to calculate the safety factor to evaluate the stability of slope.
ZHANG Wen-gang, WANG Qi, CHEN Fu-yong, CHEN Long-long, WANG Lu-qi, WANG Lin, ZHANG Yan-mei, WANG Yu-qi, ZHU Xing   +8 more
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Shield tunneling efficiency and stability enhancement based on interpretable machine learning and multi-objective optimization

Underground Space
Adequate control of shield machine parameters to ensure the safety and efficiency of shield construction is a difficult and complex problem. To address this problem, this paper proposes a hybrid intelligent optimization framework that combines ...
Wenli Liu, Yang Chen, Tianxiang Liu, Wen Liu, Jue Li, Yangyang Chen   +5 more
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Machine learning and FEM-driven analysis and optimization of deep foundation pits in coastal area: A case study in Fuzhou soft ground

Underground Space
To comply with the requirements of sustainable energy development, China has proposed the strategic goal of achieving dual carbon. Systematic and scientific development and utilization of urban underground space will provide critical support for reducing
Shuhong Wang, Bowen Han, Jianhui Jiang, Natalia Telyatnikova   +3 more
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