Results 81 to 90 of about 35,342 (236)

Soil Stabilization Manual 2014 Update [PDF]

open access: yes, 2014
Soil Stabilization is used for a variety of activities including temporary wearing curses, working platforms, improving poor subgrade materials, upgrading marginal materials, dust control, and recycling old roads containing marginal materials. There are
Connor, Billy   +2 more
core  

Evaluation systems for service performance of subgrade engineering in permafrost regions

open access: yesJournal of Infrastructure Preservation and Resilience
The quantitative evaluation of subgrade service performance is one of the key challenges for road construction in cold regions, and is essential to selection and decision of subgrade structure. Based on relevant specifications and literatures, this paper
Jiankun Liu, Bowen Tai, Xu Li
doaj   +1 more source

Testing Photovoltaic Pavers for Roadway Applications [PDF]

open access: yes, 2019
Concrete and asphalt are the primary materials used to construct roadways for motor vehicles, bike paths for pedestrians and bicyclists, and runways for aircraft. Solar Roadways®, Inc. (SR) in Sandpoint, ID, proposed using robust, Solar Road Panels (SRPs)
Brusaw, Julie   +7 more
core   +3 more sources

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

open access: yesFrontiers 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   +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

open access: yesShock 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   +3 more
doaj   +1 more source

Performance Evaluation of Open Graded Base Course with Doweled and Non-Doweled Transverse Joints [PDF]

open access: yes, 2010
The objectives of this study were to investigate the performance of 20-year old doweled/non-doweled and dense-graded/permeable base test sections on three concrete pavement segments in Wisconsin: USH 18/151 in Iowa and Dane counties, STH 29 in Brown ...
Crovetti, James   +2 more
core   +1 more source

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

open access: yesTransport
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 Subgrade Differential Settlement Control Standard and Treatment Technology Based on Driving Comfort

open access: yesAdvances 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   +4 more
doaj   +1 more source

Structural Design Guidelines for Pervious Concrete Pavements [PDF]

open access: yes, 2019
Pervious pavements have gained popularity in recent years as the transportation industry focuses on sustainability and environmental impact. This research investigated the structural design of pervious concrete pavements.
Smith, April
core   +2 more sources

Effect of moisture on mechanical behavior of granular material in initial laboratory and mechanical tests [PDF]

open access: yes, 2018
In this article authors present results of initial laboratory tests and further numerical analyses using finite element method (FEM) and back - calculation method.
Grygierek, Marcin   +1 more
core   +1 more source

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