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RISAdhesion of Bituminous Crack Sealants to Aggregates Using Surface Energy Theory
Publisher: ASCE
Abstract: In the system formed by bituminous crack sealant and the crack wall, the contact area of aggregate and sealant is maximum, and types and properties of aggregate have an obvious influence on the adhesion of the sealant. To ...
Back-Calculation of Elastic Modulus of High Liquid Limit Clay Subgrades Based on Viscoelastic Theory and Multipopulation Genetic Algorithm
Publisher: ASCE
Abstract: This paper presents a new model for modulus back-calculation for high liquid limit clay subgrades. In this model, the viscoelasticity theory is employed to describe the displacement hysteresis, and the multipopulation ...
Three-Dimensional Frequency-Domain Green’s Functions of a Finite Fluid-Saturated Soil Layer Underlain by Rigid Bedrock to Interior Loadings
Publisher: ASCE
Abstract: This paper presents the three-dimensional frequency-domain Green’s functions of a saturated poroelastic soil layer with incompressible constituents resting on rigid base due to interior time-harmonic point-, ring-, and ...
Evaluation on Deformation Behavior of Granular Base Material during Repeated Load Triaxial Testing by Discrete-Element Method
Publisher: ASCE
Abstract: Granular base material (GBM) is widely used as the base/subbase course of pavement structure. In the mechanic–empirical design of flexible pavement, both the resilient modulus and permanent deformation are the major ...
Case Study of Field Application of Prefabricated Anchoring Frame Beam Structure in Slope Supporting Projects
Publisher: ASCE
Abstract: The method of onsite pouring is mostly adopted in current construction of traditional frame beam (TFB) structures, bringing adverse effects like poor supporting timeliness, low concrete quality, hard-coordinated deformation, ...
Human–Machine Interface Based on Constraint Velocity Polytope for Safe and Efficient Operation of Large-Size Hydraulic Manipulator
Publisher: American Society of Civil Engineers
Abstract: Large-size hydraulic manipulators (LHMs) are widely used in construction areas, but the traditional on-site human–machine interfaces have poor performance problems in efficiency, safety, and usability due to dangers caused ...
Experimental Evaluation of Lateral Swelling Pressure of Expansive Soil Fill behind a Retaining Wall
Publisher: ASCE
Abstract: Lateral swelling pressure (LSP) of expansive soils included in the total lateral pressure (TLP) often results in instability and even sliding failure of retaining walls. In this study, a modified oedometer was developed ...
Synergy Effect of Attapulgite, Rubber, and Diatomite on Organic Montmorillonite-Modified Asphalt
Publisher: American Society of Civil Engineers
Abstract: Organic montmorillonite (OMMT) was obtained by reacting montmorillonite (MMT) with the surfactant cetyltrimethyl ammonium bromide (CTAB). The crystalline phases of MMT and OMMT were characterized by microscopic performance ...
Three-Dimensional Simulation of Aggregate and Asphalt Mixture Using Parameterized Shape and Size Gradation
Publisher: American Society of Civil Engineers
Abstract: Aggregate occupies at least three-quarters of the volume of asphalt mixture and can significantly affect the performance of pavement. The geometrical morphology influences the slippage and interlock among aggregates for ...
Prediction of Resilient Modulus of Compacted Cohesive Soils in South China
Publisher: American Society of Civil Engineers
Abstract: The resilient modulus has been used to characterize the stress–strain nonlinear behavior of subgrade soils and is the primary property needed for pavement design and analysis. The degrees of stress and moisture content ...