Results 61 to 70 of about 3,322 (166)

Behavior and Control of the Ballastless Track-Subgrade Vibration Induced by High-Speed Trains Moving on the Subgrade Bed with Mud Pumping

Shock and Vibration, 2019
This paper investigates behavior and control of the ballastless track-subgrade vibration induced by high-speed trains under mud pumping occurring in the subgrade bed.
Junjie Huang, Qian Su, Ting Liu, Wei Wang   +3 more
doaj   +1 more source

Research on Subgrade Differential Settlement Control Standard and Treatment Technology Based on Driving Comfort

Advances in Materials Science and Engineering, 2020
At present, the geogrid is commonly used to treat the differential settlement of the subgrade at the joint of the filling and excavation effectively. In order to further improve the utilization rate of geogrid in the treatment of subgrade, the driving ...
Xuancang Wang, Longting Ding, Wenze Gao, Mengyuan Zhang, Linjie Fu   +4 more
doaj   +1 more source

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

Remote 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

Subgrade performance assessment for rigid runway using long-term pavement performance database

Transport
Maintaining desired subgrade performance is an effective way to reduce runway pavement deterioration. Due to lack of extensive field test data, life-cycle performance of runway subgrade has not been fully understood.
Guo-Guang Liu, Lei-Yang Pei, Zhi-Wei Wu
doaj   +1 more source

Research on Construction Countermeasures for Freeze–Thaw Deformation of Permafrost Subgrade in Forest Regions of Northeast China

Applied Sciences
The permafrost in forest regions of Northeast China is very sensitive to the disturbance of subgrade construction, which will aggravate the degradation of the permafrost upper limit, leading to freeze–thaw deformation of the permafrost subgrade. Based on
Zhibo Xu, Guihe Wang, Zhu Yang
doaj   +1 more source

Ground improvement using waste shell for farm roads and embankments

Journal of Agricultural Engineering, 2018
The bearing capacity of subgrade soil plays an important role in the performance of agricultural earth structures such as farm roads or earth embankments.
Siti Hanggita Rachmawati, Zakaria Hossain, Jim Shiau   +2 more
doaj   +1 more source

Study on intelligent recognition of urban road subgrade defect based on deep learning

Scientific Reports
China's operational highway subgrades exhibit a trend of diversifying types and an increasing number of defects, leading to more frequent urban road safety incidents. This paper starts from the non-destructive testing of urban road subgrade defects using
Yanli Qi, Mingzhou Bai, Zelin Li, Zilun Zhang, Qihao Wang, Gang Tian   +5 more
doaj   +1 more source

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

Results 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, Xin'’e Yan, Jiajie Dong, Youwen Xu, Songyuan Yao, Wei Zhao   +5 more
doaj   +1 more source

Analysis of Deformation Impact of Newly Constructed City Railway Subgrade on Adjacent Existing High-speed Railway Subgrade in Deep Soft Soil Areas

Chengshi guidao jiaotong yanjiu
[Objective] To effectively evaluate the impact of newly constructed city railway subgrade on the service performance of existing railway subgrade in deep soft soil areas, it is essential to study the vertical deformation of the new subgrade during ...
LI Zhenhua, WANG Changdan
doaj   +1 more source

Research on the Deformation Mechanism of Railway Subgrade under Buried Strike–Slip Fault Dislocation

Applied Sciences
With the gradual densification of China’s railway network, more and more railways are inevitably crossing active fault zones. Creep dislocation and stick–slip dislocation of the fault zones can lead to uneven deformation and cracks in the railway ...
Jingwei Liang, Yangsheng Ye, Degou Cai, Hongye Yan, Junkai Yao   +4 more
doaj   +1 more source