Results 11 to 20 of about 19,720 (209)

Study on Cold Resistance Performance of Composite Subgrade Structure in Seasonal Frozen Regions

open access: yesApplied Sciences, 2020
In order to achieve the purpose of subgrade frost damage control and waste utilization, this paper proposes a specific kind of composite subgrade structure which is suitable for subgrade in seasonal frozen regions, especially wet subgrade.
Leilei Han   +4 more
doaj   +1 more source

Study on the In Situ Test of the Treatment Effect for the Riverbank Soft Soil Subgrade in the Hetao Area

open access: yesGeofluids, 2022
The Inner Mongolia Hetao area has a widely distributed riverbank fluvial soft soil with high groundwater levels and ground surface water. This situation may incur some potential engineering problems for the Linhe-Baigeda section of the Beijing-Xinjiang ...
Shen Zuo   +4 more
doaj   +1 more source

Recent advances in subgrade engineering for high-speed railway

open access: yesIntelligent Transportation Infrastructure, 2023
Abstract In the last decade, the design and construction technologies of subgrade in high-speed railway (HSR) developed significantly. This article reviews corresponding development in five aspects, including mechanical properties of fill materials, dynamic performance of subgrade, foundation treatment, retaining structure, and smart ...
Xianfeng Liu   +6 more
openaire   +1 more source

Numerical analysis for permafrost temperature field in the short term of permafrost subgrade filling [PDF]

open access: yesRailway Sciences, 2023
Purpose – It is of great significance to study the influence of subgrade filling on permafrost temperature field in permafrost area for the smooth construction and safe operation of railway.
Yunjia Wang, Qianli Zhang
doaj   +1 more source

Long-Term Performance of the Water Infiltration and Stability of Fill Side Slope against Wetting in Expressways

open access: yesApplied Sciences, 2022
Different settlements and instabilities of unsaturated subgrade subjected to wetting have been paid increasing attention in the southeast coastal areas of China. However, the treatments are costly when they are used in engineering.
Yuedong Wu, Xiangyu Zhou, Jian Liu
doaj   +1 more source

Experimental Study on the Effect of Compaction Work and Defect on the Strength of Soil-Rock Mixture Subgrade

open access: yesAdvances in Materials Science and Engineering, 2021
Soil-rock mixture is a common filling material for earth dam and subgrade. In this study, research concerned on the evolution law of engineering characteristics of soil-rock mixture under different factors and the effect of defect on subgrade strength ...
Xin Yan   +4 more
doaj   +1 more source

Studies on Engineering Performance of Geogrid Reinforced Soft Subgrade

open access: yesTransportation Research Procedia, 2016
Abstract One of the preferred materials for construction of road embankments on soft subgrade soils being coarse grained soils. During the recent past utilization of geosynthetics has been increased to improve bearing resistance of weaker subgrades. Previous researches addressed the problems due to soft subgrade in several ways and provided solutions
Rajesh, Unnam   +2 more
openaire   +1 more source

Thaw Consolidation Characteristics of High-Ice-Content Frozen Soil Subgrade under Seasonal Temperature Boundary Conditions [PDF]

open access: yes长江科学院院报
[Objective] Under the influence of climate change and engineering activities, the thermodynamic stability of subgrade engineering in permafrost regions faces severe challenges.
YANG Gao-sheng, MAO Hai-tao, CHEN Wen-xuan, CHEN Pei-pei, LAN Xiao-ling
doaj   +1 more source

Railway track condition assessment at network level by frequency domain analysis of GPR data [PDF]

open access: yes, 2018
The railway track system is a crucial infrastructure for the transportation of people and goods in modern societies. With the increase in railway traffic, the availability of the track for monitoring and maintenance purposes is becoming significantly ...
Fontul, Simona   +3 more
core   +2 more sources

Analysis of a typical railway turnout sleeper system using grillage beam analogy [PDF]

open access: yes, 2012
A simplified grillage beam analogy was performed to investigate the behaviour of railway turnout sleeper system with a low value of elastic modulus on different support moduli.
Aravinthan, Thiru   +3 more
core   +1 more source

Home - About - Disclaimer - Privacy