Results 61 to 70 of about 1,911 (175)

An Integrated Multisource and Multiscale Monitoring Technique for Assessing the Health Status of High-Speed Railway Subgrade

open access: yesRemote Sensing
The precise identification of railway subgrade defects remains a significant challenge for the railway industry globally. Due to the limitations of individual monitoring techniques, comprehensive information on subgrade defects cannot be obtained.
Yuanxingzi He, Yongwei Li, Linrong Xu
doaj   +1 more source

Influence of Asphalt Emulsion Stabilization on Pavement Structural Behavior and Life Cycle Assessment (LCA)

open access: yesAdvances in Civil Engineering, Volume 2026, Issue 1, 2026.
Assessing pavement sustainability requires jointly evaluating structural performance and environmental impacts, yet these dimensions are often analyzed separately. This study proposes an integrated framework combining mechanistic–empirical pavement design and life cycle assessment (LCA) to quantify the structural–environmental trade‐off associated with
Alexandre Simas de Medeiros   +3 more
wiley   +1 more source

Dynamic Response of Railway Subgrade Under Train Load and Freeze–Thaw Action

open access: yesApplied Sciences
In railway engineering research, there is a notable gap as existing studies often focus separately on train-induced vibrations or freeze–thaw cycle impacts on subgrades, lacking a comprehensive analysis of their combined effects on subgrade dynamic ...
Lei Gao   +4 more
doaj   +1 more source

Application of FWD and GPR for Performance Evaluation of In‐Service Roads

open access: yesAdvances in Civil Engineering, Volume 2026, Issue 1, 2026.
Road performance detection typically encompasses structural strength testing and damage assessment, with the resilient modulus serving as a key indicator of structural integrity. To enhance the assessment of road performance, this study explores the combined application of falling weight deflectometer (FWD) and ground penetrating radar (GPR) in ...
Zhi Hu   +9 more
wiley   +1 more source

Dynamic Compaction of High Groundwater Level Subgrade of Buildings: A Model Test-Based Analysis of Stress Distribution and Reinforcement Mechanisms

open access: yesBuildings
Dynamic compaction (DC) represents a cost-effective method for reinforcing subgrade and is particularly suited to treating large-scale building subgrade.
Jingyuan Sun   +5 more
doaj   +1 more source

Technology and Application of Concrete‐Reinforced Saline Soil Subgrades: A Comprehensive Review

open access: yesAdvances in Civil Engineering, Volume 2026, Issue 1, 2026.
The high salt content and pronounced water‐salt migration characteristics of saline soils significantly affect subgrade performance. In recent years, concrete reinforcement has become a prevalent technique for enhancing the stability and durability of saline soil subgrades. This article systematically reviews the state of the art in concrete‐reinforced
Lei Zhang   +8 more
wiley   +1 more source

Freeze-thaw characteristics of subgrade macadam fillings influenced by cement content and grain-size composition

open access: yesYantu gongcheng xuebao, 2018
Motivated by the practical application of cement-stabilized macadam to high-speed railway subgrade in cold regions, a series of tests are conducted using an integrated method learnt from an evaluation system used for semi-rigid highway foundations ...
WANG Tian-liang 1,2, SONG Hong-fang 3,1, GUO Zhuo-hao 1,2, YUE Zu-run 1,2, LIN Yong-qing 1,2
doaj   +1 more source

Thermal Stability Analysis and Novel Cooling Technology Field Tests for Permafrost Railway Subgrades

open access: yesAdvances in Civil Engineering, Volume 2026, Issue 1, 2026.
Global warming has intensified the climatic warming and moistening trend on the Qinghai–Tibet Plateau, threatening the thermal stability of railway subgrades in the plateau permafrost regions. However, previous studies have lacked systematic analyses that comprehensively consider the climate along the railway, permafrost conditions, and subgrade ...
Xiaohe Liu, Jianyong Han
wiley   +1 more source

Facile generation and regulation of oxygen vacancies in BiOCl catalysts for effectively photocatalytic degradation of Rhodamine B

open access: yesResults in Chemistry
Introducing oxygen vacancies (OVs) in BiOCl catalyst has been regarded as an effective strategy in broadening the narrow range of light response and enhance separation efficiency of photo-induced carriers.
Fei Pei   +5 more
doaj   +1 more source

Highway foundation treatment techniques in permafrost regions of the Qinghai-Tibet Plateau: Current practices and future trends

open access: yesJournal of Highway and Transportation Research and Development
In the context of global warming, existing highways in the permafrost regions of the Qinghai-Tibet Plateau are facing multiple challenges, including surface settlement, roadside water accumulation, groundwater saturation, thickening of melting ...
Bo Tian
doaj   +1 more source

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