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RISInvestigation of the Cause of Disintegration of Alkali-Activated Slag at Temperature Exposure of 50°C
Publisher: American Society of Civil Engineers
Abstract: Tests reported in this paper show that alkali-activated slag paste (AASP) can totally disintegrate when exposed to oven drying at 40–50°C with circulating air. This phenomenon has not been previously reported in the ...
Unsaturated Capillary Flow within Alkali Activated Slag Concrete
Publisher: American Society of Civil Engineers
Abstract: Alkali activated slag concrete (AASC), based on a binder that consists of 100% blast furnace slag that is activated by an alternative alkali to conventional Portland cement, has considerable environmental benefits. ...
Lap Joint Reinforcement for 3D Concrete Printing
Publisher: ASCE
Abstract: Extrusion three-dimensional (3D) concrete printing (3DcP) is an automated construction technology that involves the layer-by-layer deposition of stiff concrete to build a structure without formworks. The interlayer strength ...
Flexural Fatigue Performance of Pavement-Grade Low-Carbon Concrete Containing Waste Clay Bricks
Publisher: American Society of Civil Engineers
Abstract: This study investigated the flexural fatigue performance of pavement-grade geopolymer concrete (GPC) developed using low-carbon binders containing waste clay bricks (WCB), slag, and fly ash. Concrete was developed using ...
Waste Paint as Admixture for Glass Fiber–Reinforced Concrete Building Façades
Publisher: American Society of Civil Engineers
Abstract: Building façade elements should have aesthetically pleasing geometrical shapes made up of sustainable materials with energy-efficient designs. The low mass-to-high strength ratio of glass fiber–reinforced concrete (GFRC) ...
Tensile Strain Hardening Behavior of PVA Fiber-Reinforced Engineered Geopolymer Composite
Publisher: American Society of Civil Engineers
Abstract: This paper is aimed to improve the mechanical properties (namely compressive and tensile strengths) of a recently developed fly ash-based engineered geopolymer composite (EGC) with relatively low-concentration activator ...
Investigation of Axial Load Capacity of 3D-Printed Concrete Wall
Publisher: American Society of Civil Engineers
Abstract: Three-dimensional (3D) concrete printing is increasingly becoming popular because it provides a powerful platform for the fabrication of structural components in freeform architectural shapes. Although manufacturing ...
Strength Development and Microfabric Structure of Construction and Demolition Aggregates Stabilized with Fly Ash–Based Geopolymers
Publisher: American Society of Civil Engineers
Abstract: The reuse of recycled construction and demolition (C&D) aggregates in civil engineering infrastructure applications has been considered a low-carbon solution to replace conventional pavement aggregates. Evaluating the ...
Stabilization of Demolition Materials for Pavement Base/Subbase Applications Using Fly Ash and Slag Geopolymers: Laboratory Investigation
Publisher: American Society of Civil Engineers
Abstract: The use of recycled construction and demolition (C&D) materials in unbound and cement stabilized pavement base/subbase applications has generated growing interest in recent years. C&D materials consisting of crushed brick ...
Laboratory Evaluation of the Use of Cement-Treated Construction and Demolition Materials in Pavement Base and Subbase Applications
Publisher: American Society of Civil Engineers
Abstract: Construction and demolition (C&D) materials constitute a major proportion of waste materials present in landfills worldwide. With the scarcity of high-quality quarry aggregates, alternative materials, such as C&D materials, ...