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RISPerformance Evaluation of Infrastructure on Problematic Expansive Soils: Characterization Challenges, Innovative Stabilization Designs, and Monitoring Methods
Publisher: ASCE
Abstract: This paper describes key research on expansive soils and the methods employed to characterize them; fallacies in the current characterization of expansive soils are also explained. Novel swell characterization models that ...
Influence of Unsaturated Hydraulic Properties on Transient Seepage and Stability Analysis of an Earthen Dam
Publisher: ASCE
Abstract: Traditionally, the seepage through embankments and other geotechnical structures is estimated using the hydraulic properties of saturated soil. In most cases, the soil is not fully saturated, and the use of saturated soil ...
Quantitative Estimation of Clay Mineralogy in Fine-Grained Soils
Publisher: American Society of Civil Engineers
Abstract: Stabilization design guidelines based on soil plasticity properties have certain limitations. Soils of similar plasticity properties can contain different dominant clay minerals, and hence, their engineering behavior can ...
Experimental and Modeling Studies of Permanent Strains of Subgrade Soils
Publisher: American Society of Civil Engineers
Abstract: Mechanistic-empirical pavement design guide for flexible pavements as per the AASHTO design guide requires characterization of subgrade soils using the resilient modulus
Closure to “Design and Construction Guidelines for Deep Soil Mixing to Stabilize Expansive Soils” by Raja S. Madhyannapu and Anand J. Puppala
Publisher: American Society of Civil Engineers
Sustainable Reuse of Limestone Quarry Fines and RAP in Pavement Base/Subbase Layers
Publisher: American Society of Civil Engineers
Abstract: The advantages of utilizing recycled materials/byproducts in pavement construction are numerous. The reduction in landfilling resulting from the adoption of recycled materials in large quanitites primarily promotes their ...
Strength and Stiffness Characterization of Controlled Low-Strength Material Using Native High-Plasticity Clay
Publisher: American Society of Civil Engineers
Abstract: A research attempt was made to design a controlled low-strength material (CLSM) mix that can be used as bedding and haunch material for a pipeline by using the native soil as fine aggregate. Several CLSM mix designs were ...
Flowability and Density Characteristics of Controlled Low-Strength Material Using Native High-Plasticity Clay
Publisher: American Society of Civil Engineers
Abstract: In pipeline construction projects when high-plasticity clayey soils are encountered in the excavated trench material, they are typically landfilled and better quality materials are imported from outside quarry sources for ...
Compost Amended Soil Treatment for Mitigating Highway Shoulder Desiccation Cracks
Publisher: American Society of Civil Engineers
Abstract: Certain types of compost materials have fibrous characteristics that exhibit moisture affinity suggesting that they could be used to stabilize expansive soils to control desiccation cracks. In order to understand shrinkage ...
Experimental Studies and Modeling of High-Sulfate Soil Stabilization
Publisher: ASCE
Abstract: An experimental study was conducted to assess the effectiveness of lime stabilization with precompaction mellowing in stabilizing six different high-sulfate soils. Three mellowing times, 0, 3, and 7 days were studied. ...