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RISMicrostructures and Mechanical Properties of Dimethyl Sulfoxide Pretreated Graphene Modified Asphalt
Publisher: ASCE
Abstract: The rutting and cracking distresses of asphalt pavement severely affect its service life. Enhancing the visco-toughness and mechanical properties of asphalt by using graphene may improve the durability of asphalt pavement. ...
Uncovering the Potential for Value Capture from Rail Transit Services
Publisher: American Society of Civil Engineers
Abstract: Value capture offers a great potential to address the financial challenge threatening transit’s role in achieving transportation sustainability. Understanding property market responses to transit services is critical to ...
Thermomechanical Characterization of Shape Memory Polymer–Based Self-Healing Syntactic Foam Sealant for Expansion Joints
Publisher: American Society of Civil Engineers
Abstract: The failure of expansion joints is a leading cause for structural damage to bridge decks and concrete pavements. A fundamental requirement for sealant is that it should always apply a compressive stress to the concrete ...
Compounding Scheme Optimization of Composite Flame Retardant and Its Synergistic Inhibitory Effects on Bituminous Combustion
Publisher: ASCE
Abstract: To inhibit the multiphase combustion characteristics of polymer-modified bitumen (PMB) at high temperatures, a new composite flame retardant with synergistic effects was developed based on the gradient distribution of ...
Heat Conduction Behaviors in Semiflexible Pavements Using Discrete-Element Method
Publisher: ASCE
Abstract: Semiflexible pavement (SFP) includes asphalt mixture skeleton, cement mortar, asphalt mortar, and residual voids. The heat conduction behaviors in the SFP become very complicated. To understand the heat conduction behaviors ...
A Closed Solution for the Elastic-Dynamic Behavior of an Industrial Press Feed Mechanism and Experimental Verification
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A new linearized two-degree-of-freedom model of an industrial press feed mechanism and its experimental verification are presented. By introducing a double cantilever model of the coupler with ...
Modeling of Rheological Deformation of Inhomogeneous Rock and Associated Time-Dependent Response of Tunnels
Publisher: American Society of Civil Engineers
Abstract: An exponential creep model on the basis of material properties degradation law was applied in the paper to simulate the rheological behavior of inhomogeneous rock and time-dependent response of rock tunnels. The primary, ...
Performance Characterizations of Vulcanized <i>Eucommia Ulmoides</i> Gum-Modified
Publisher: ASCE
Abstract: To understand the effects of vulcanized Eucommia ulmoides gum (VEUG) on bituminous properties from a new angle, different thermal analysis methods were utilized to characterize the properties of VEUG-modified bitumen. Test ...
Predicting Pore-Water Pressure in Front of a TBM Using a Deep Learning Approach
Publisher: ASCE
Abstract: When tunneling with a tunnel boring machine (TBM) in permeable soil, excess pore-water pressure are inevitably generated in the soil surrounding the TBM. Because excess pore-water pressure reduce the effective face support ...
Inhibitory Effects of Composite Fire Retardant Loaded in Porous Warm-Mix Agent on Asphalt Pyrolysis and Volatile Emission
Publisher: ASCE
Abstract: To reduce air pollution during asphalt pavement construction in road tunnels, and to increase fire safety of asphalt pavement when exposed to a tunnel fire, a porous warm-mix agent (WMA) was used to load composite fire ...