Results 1 to 10 of about 20,170 (202)

Enhancing the Engineering Properties of Subgrade Materials Using Processed Waste: A Review [PDF]

Geotechnics, 2021
Subgrade materials refer to the original ground underneath a road pavement, when these materials are made up of expansive soil it is referred to as expansive subgrade.
Samuel Y. Amakye, Samuel J. Abbey, Colin A. Booth, Abdul-Majeed Mahamadu   +3 more
doaj   +4 more sources

Research progress of intelligent testing technology and evaluation methods for subgrade engineering

Journal of Road Engineering
Subgrade engineering is a fundamental aspect of infrastructure construction in China. As the primary structural element responsible for bearing and distributing traffic loads, the subgrade must not only withstand the substantial pressures exerted by ...
Guojun Cai, Hongliang Tian, Lulu Liu, Xiaoyan Liu, Songyu Liu   +4 more
doaj   +4 more sources

Advancements in the Evolution of Engineering Characteristics and Reinforcement Technologies for Subgrade Silt

Materials, 2023
Technical challenges associated with the treatment of silt subgrades frequently arise in coastal and river delta areas. Given the importance of environmental sustainability, the selection of efficient, cost-effective, and eco-friendly techniques for silt subgrade stabilization is paramount.
Jinpeng Zhao
exaly   +3 more sources

Recent advances in subgrade engineering for high-speed railway

Intelligent Transportation Infrastructure, 2023
Abstract In the last decade, the design and construction technologies of subgrade in high-speed railway (HSR) developed significantly. This article reviews corresponding development in five aspects, including mechanical properties of fill materials, dynamic performance of subgrade, foundation treatment, retaining structure, and smart ...
Xianfeng Liu, Junhua Xiao, Degou Cai
exaly   +2 more sources

Application of plant fibers in subgrade engineering: current situation and challenges

Intelligent Transportation Infrastructure, 2023
Abstract The application of plant fibers in subgrade engineering is increasingly receiving attention. As a sustainable material, plant fibers possess characteristics such as lightweight, renewability, and biodegradability. The morphology, chemical composition, mechanical properties, and hydraulic properties of plant fibers determine ...
Jiayi Guo, Junyan Yi, Zhongshi Pei
exaly   +2 more sources

An overview of intelligent construction and maintenance technology for highway subgrade engineering

Intelligent Transportation Infrastructure, 2023
AbstractIn terms of quality, functionality, and services, smart highways are an improvement over conventional highways and a crucial part of the latest infrastructure development. The primary load-bearing component of roadways is the subgrade. Accidents brought on by low-grade illnesses have been more common in recent years, yet it has been challenging
Junhui Zhang
exaly   +2 more sources

Evaluation systems for service performance of subgrade engineering in permafrost regions

Journal 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   +2 more sources

Experimental and numerical study on the Frost-Heaving characteristics of subgrade soil in the Qinghai-Tibet plateau [PDF]

Scientific Reports
To address the severe issue of subgrade frost heave in season-frozen soil highway engineering in the Qinghai-Tibet Plateau (QTP) region, this studied investigated the frost-heaving characteristics (FHC) of subgrade soil with different initial water ...
Ying Xiong, Haoming Li, Ning Nan, Junyong Liu, Weiwei Su, Jin Wei   +5 more
doaj   +2 more sources

Engineering Characterization of Subgrade Soils of Jimma Town, Ethiopia, for Roadway Design

Geosciences, 2020
Soils are naturally occurring materials that carry loads of civil engineering structures including roads and buildings. However, not all natural soils are suitable for such uses due to limited strength and instability under varying environmental ...
Alemineh Sorsa, Sanjaya Senadheera, Yoseph Birru   +2 more
doaj   +3 more sources

Prediction of Permafrost Subgrade Thawing Settlement in the Qinghai–Tibet Engineering Corridor under Climate Warming

Atmosphere
As a result of global warming, the thawing settlement disasters of permafrost in the Qinghai–Tibet Engineering Corridor (QTEC) have intensified, which has serious effects on the safe operation of permafrost highway engineering. In this work, a prediction
Jine Liu, Xiaona Liu, Jianbing Chen, Yue Zhai, Yu Zhu, Fuqing Cui   +5 more
doaj   +3 more sources