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RISNAO-1: Lunar Highland Soil Simulant Developed in China
Publisher: American Society of Civil Engineers
Abstract: A new lunar highland soil simulant, NAO-1, has been created in National Astronomical Observatories (NAO), Chinese Academy of Sciences. This simulant was produced by gabbro, which includes large quantity of feldspar
Interaction of Superplasticizers with C3A: Understanding the Superplasticizer Compatibility with Cement
Publisher: ASCE
Abstract: The incompatibility between the superplasticizer (SP) and cement can cause problems with the cementitious materials’ fresh and hardened qualities, such as unstable workability, uncontrollable setting times, excessive air ...
Effect of Superplasticizers on Apparent Viscosity of Cement-Based Material with a Low Water–Binder Ratio
Publisher: American Society of Civil Engineers
Effect of Steel Fiber on Flexural Toughness and Fracture Mechanics Behavior of Ultrahigh-Performance Concrete with Coarse Aggregate
Publisher: American Society of Civil Engineers
Abstract: The present study investigated effect of fiber type and hybrid modes on flexural toughness and fracture mechanics behavior of ultrahigh-performance concrete (UHPC) with coarse aggregates was investigated. Results showed ...
Cost-Effective UHPC for Accelerated Bridge Construction: Material Properties, Structural Elements, and Structural Applications
Publisher: ASCE
Abstract: Accelerated bridge construction (ABC) is becoming progressively popular in China due to its advantages in sustainable development. However, some challenges still prevent it from being further widespread, especially in some ...
Effects of Ultrafine Powders on the Properties of the Lubrication Layer and Highly Flowable Concrete
Publisher: ASCE
Abstract: The friction at the steel pipe–flowing concrete interface plays an important role in concrete pumpability. To reduce the friction or improve pumpability, in this paper, various ultrafine powders (nanoclay, nano-CaCO3, and ...
Exploring the Impact of CO2 Atmosphere on Propane Moderate or Intense Low-Oxygen Dilution Combustion: A Numerical Simulation Study
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Moderate or intense low-oxygen dilution (MILD) combustion is a promising combustion technology widely recognized by the international combustion community. In this study, numerical simulation was used to investigate the ...