Results 81 to 90 of about 34,243 (216)

Measuring the area and number of ballast particle contacts at sleeper/ballast and ballast/subgrade interfaces [PDF]

, 2015
The number of railway ballast particles in contact with a sleeper may be relatively small. The discrete and non-uniform nature of these contacts may cause breakage and wear.
Abadi, Taufan, Le Pen, Louis, Powrie, William, Zervos, Antonios   +3 more
core   +1 more source

Subgrade uplift prediction along a high-speed railway using machine learning techniques in Sichuan, China

Frontiers in Earth Science
In the red-bed areas of southwestern China, subgrade uplift deformation poses a serious safety concern for high-speed trains. However, the subgrade uplift mechanisms are still not well-defined, and there is a lack of effective prediction methods for ...
Hongyi Yan, Xiaoyan Zhao, Liming Jian, Ruixin Long, Dian Xiao, Minghao Chen   +5 more
doaj   +1 more source

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

Pile-Soil Interaction in Unsaturated Soil Conditions [PDF]

, 2014
The degree of saturation has been proven to significantly affect geotechnical engineering designs for foundations. The changes in water content will influence the way the soil behaves, including its strength and stiffness parameters.
Hamilton, Megan
core   +2 more sources

Simulation of sub-drains performance using visual MODFLOW for slope water seepage Problem [PDF]

, 2016
Numerical simulation technique was used for investigating water seepage problem at the Botanic Park Kuala Lumpur. A proposed sub-drains installation in problematic site location was simulated using Modular Three-Dimensional Finite Difference Groundwater ...
T Baharuddin, M F, Tajudin, S A A, Yusoff, N A, Z Abidin, M H   +3 more
core   +1 more source

A Bio-Wicking System to Mitigate Capillary Water in Base Course [PDF]

, 2016
Water within pavement layers is the major cause of pavement deteriorations. High water content results in significant reduction in soil’s resilient behavior and increase in permanent deformation. Conventional drainage systems can only drain gravity water
Lin, Chuang, Zhang, Xiong
core  

Peranan Majlis Agama Islam Negeri Johor semasa Perintah Kawalan Pergerakan (PKP) akibat Pandemik COVID-19 [PDF]

, 2021
The Johor State Islamic Religious Council (MAIJ) was established on 1925 under the authority of Part IV, Chapter XV, Board of Regulations for the Rule of the King. There are initial functions and main functions for MAIJ.
Abd Khalim, Mustapahayuddin, Abdullah, Azlan Kuangit, Wan Zahari, Wan Ainaa Mardhiah, Zainol, Nur Zainatul Nadra   +3 more
core  

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

Contributions to predicting contaminant leaching from secondary materials used in roads [PDF]

, 2004
Slags, coal ashes, and other secondary materials can be used in road construction. Both traditional and secondary materials used in roads may contain contaminants that may leach and pollute the groundwater.
Apul, Defne S
core   +2 more sources