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Fatigue-Healing Performance Evaluation of Fiber-Modified Asphalt Mixture
Publisher: ASCE
Abstract: Fiber-modified asphalt mixture has been the focus in functional pavement materials because of its excellent mechanical and self-healing performance. In this paper, an indirect tensile fatigue test was conducted to study ...
An Investigation of the Bonding between Calcium Phosphate Cement Overlay and Old Concrete Substrate
Publisher: ASCE
Abstract: This research focuses on the bonding between calcium phosphate cement (CPC) composites designed as a thin repair overlay material and old ordinary portland cement (OPC) as a concrete substrate. The OPC concrete substrate ...
Rayleigh Wave Fields in a Multilayered Micropolar Media
Publisher: ASCE
Abstract: This paper investigates the motion of Rayleigh wave fields produced by a seismic surface pulse in an isotropic micropolar elastic half-space and in a multilayered micropolar media. The method of potentials followed by the ...
Effect of Internal Curing with Superabsorbent Polymers on the Compressive Strength and Shrinkage of Concrete with Natural Volcanic Ash
Publisher: ASCE
Abstract: The abundant natural volcanic ash (NVA) in East Africa is a prospective supplementary cementitious material that may be used to produce green and economical railway concrete. To mitigate the shrinkage of concrete with NVA, ...
Study of the Mesodamage Analysis Method for Frozen–Thawed Concrete Based on CT Image Recognition
Publisher: ASCE
Abstract: Freeze–thaw-cycle damage is one of the main aging problems of concrete engineering in cold regions, and the analysis of its damage mechanism has become a focus in the field of concrete aging. In this paper, on the basis ...
Investigation on the Diffusion Behavior of Dry Modified SBS at the Asphalt-Aggregate Interface: Molecular Simulation and Experiments
Publisher: ASCE
Abstract: Dry modified Styrene-Butadiene-Styrene block copolymer (SBS) is an innovative method of modifying asphalt mixture that has gained attention due to its convenience, low carbon footprint, and high efficiency. To understand ...
Physicochemical Rejuvenation of Aged Styrene-Butadiene-Styrene-Modified Bitumen through Joint Use of Polyurethane Prepolymer and Tall Oil for Maintaining High-Temperature Property
Publisher: ASCE
Abstract: Conventional rejuvenation techniques, such as adding oil-based substances, are proved very effective to improve some properties of aged styrene-butadiene-styrene modified asphalt (SBSMA), including low-temperature cracking ...