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RISEffect of Superplasticizer and Wetting Agent on Pavement Properties of Cold Recycled Mixture with Bitumen Emulsion and Cement
Publisher: ASCE
Abstract: Cold recycled mixtures with bitumen emulsion and cement (CRMEC) are an environment-friendly and economic recycling technology in pavement rehabilitation. The low tensile strength and relative low pavement properties of ...
Behavior and Modeling of Circular Large Rupture Strain FRP-Confined Ice under Axial Compression
Publisher: ASCE
Abstract: The application of concrete is severely limited in construction in cold areas. However, the local ice has functioned as a potential substitute for concrete for a long time. In order to make efficient use of ice to overcome ...
Bending Toughness and Calculation Model of Ultrahigh-Performance Concrete with Hybrid Micro- and Nanofillers
Publisher: ASCE
Abstract: Superfine stainless wires (SSWs) and carbon nanotubes (CNTs)/nano SiO2-coated TiO2 (NTs) were used as hybrid micro- and nanofillers to toughen reactive powder concrete (RPC) in this paper. The multiscale synergistic ...
Stainless Steel Wires-Modified Asphalt Concrete for Self-Heating and Self-Deicing
Publisher: American Society of Civil Engineers
Abstract: Stainless steel wires (SSWs)-modified asphalt concrete with stable long-term properties and high electrical conductivity as well as without puncturing vehicle tires is expected to become a promising multifunctional pavement ...
Fabrication of Piezoresistive CNT/CNF Cementitious Composites with Superplasticizer as Dispersant
Publisher: American Society of Civil Engineers
Abstract: Dispersion of carbon nanotubes (CNTs)/carbon nanofibers (CNFs) in cement matrixes is one of the key problems for fabricating piezoresistive CNT/CNF cementitious composites. The use of existing dispersants such as sodium ...
Effect Investigation of Nanofillers on C-S-H Gel Structure with Si NMR
Publisher: American Society of Civil Engineers
Abstract: This paper aims to use Si29 nuclear magnetic resonance (NMR) for investigating the effect of nanofillers on the C-S-H gel structure of hardened cement paste, analyze the modification mechanism of nanofillers from a microscopic ...
Effect of Steel Wool and Graphite on the Electrical Conductivity and Pavement Properties of Asphalt Mixture
Publisher: ASCE
Abstract: Electrically conductive asphalt mixtures (ECAM) were fabricated by adding two conductive materials (steel wool and graphite) in this paper. Effects of steel wool and graphite on the electrical conductivity and pavement ...
Elliptical FRP–Concrete–Steel Double-Skin Tubular Columns: Axial Behavior, Interaction Mechanism, and Modeling
Publisher: ASCE
Abstract: The elliptical FRP–concrete–steel double-skin tubular column (DSTC) is a promising compression member due to its favorable mechanical performance and constructability. To provide insights into the interaction mechanism of ...
Principle and Implementation of Incorporating Nanomaterials to Develop Ultrahigh-Performance Concrete with Low Content of Steel Fibers
Publisher: American Society of Civil Engineers
Abstract: The effect of nanomaterials on the microstructure of ultrahigh-performance concrete (UHPC) has been intensively studied, but the relationships between the macroscopic flexural failure process and microstructures of ...
Developing a Sustainable Ultrahigh-Performance Concrete Using Seawater and Sea Sand in Combination with Superfine Stainless Wires
Publisher: ASCE
Abstract: Utilizing seawater and sea-sand for producing ultra-high performance concrete (UHPC) can substantially reduce raw materials costs and alleviate the current freshwater and river sand resources shortage in coastal and marine ...