Results 71 to 80 of about 525,473 (174)

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

Application of resilient modulus test equipment and procedures for subgrade soils

open access: yes, 1985
This report is the first part of a two-part series. It describes the techniques involved in, and the results from, resilient modulus testing of subgrade soils that are typically found in Oregon. Two methods of testing were investigated: the triaxial' and

core  

Failure Mechanism of Salt Barrier in Saline Soil Subgrade in Cold and Arid Plateau Areas

open access: yesAdvances in Civil Engineering
In traffic engineering design in saline soil environments, a salt barrier is usually installed in the embankment to prevent secondary salinization damage on the upper embankment and road surface.
Yurong Zhang   +5 more
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

DURABILITY PERFORMANCE OF CEMENTITIOUSLY STABILIZED LAYERS [PDF]

open access: yes, 2012
The ability to retain stability and integrity over years of exposure to the destructive forces of weathering is one of the most important aspects of cementitiously stabilized layers (CSL) in pavement design.
Su, Zhipeng
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DRYING SHRINKAGE PROBLEMS IN HIGH PI SUBGRADE SOILS [PDF]

open access: yes, 2014
The main objective of this study was to investigate the longitudinal cracking in pavements due to drying shrinkage of high PI subgrade soils. The study involved laboartory soil testing and modeling.
Zaman, Musharraf   +5 more
core   +1 more source

Analysis of Design Parameters of Highway Subgrade Soils in Southern Russia [PDF]

open access: yes, 2016
The paper describes a methodology for analyzing the design humidity of subgrade soils under dry-land conditions in Southern Russia. The author has studied the strength characteristics of subgrade soils depending on their humidity and ...
Aleksikov, S.V.
core   +1 more source

Improvement of soils for pavement subgrade

open access: yes, 2017
The bachelor thesis deals with improvement of unsuitable soils for pavement subgrade. The theoretical part describes technologies of modification and materials employed for improving soils in our country and abroad.
Šefránková, Radka
core   +1 more source

Advantages and Limitations of Multi-Layer Geogrid Stabilization for Roads Constructed on Soft Subgrades [PDF]

open access: yesE3S Web of Conferences
This research investigates the performance, benefits, and constraints of multi-layer geogrid stabilization in road construction over soft subgrade soils through a combination of laboratory tests.
Shahkolahi Amir, Gallage Chaminda
doaj   +1 more source

A Report on Soils and Soil Fertility

open access: yes, 1960
A compilation of recent experimental results by personnel of the Department of Soils and Extension Specialists and Agronomists at the Branch Stations at Crookston, Duluth, Grand Rapids, Morris, Rosemount, and Waseca.
Department of Soils, University of Minnesota
core  

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