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Optimal Low-Thrust Transfers to Lunar L1 Halo Orbit Using Variable Specific Impulse Engine
Publisher: American Society of Civil Engineers
Abstract: Given the advantages of variable specific impulse (VSI) engine, it is very likely that in the future there will be deep space missions that use this thrust as propulsion system. In this study, a design technique for a fuel ...
Effects of Cross-Sectional Size and Shape on the Longitudinal Tensile and Anchoring Properties of CFRP Cables
Publisher: American Society of Civil Engineers
Abstract: Carbon fiber–reinforced polymer (CFRP) is very suitable for use as a prestressed cable and can replace conventional steel cables in cable roofs. In engineering practice, the anchoring length increases rapidly as the ...
Effects of Cross-Sectional Size and Shape on the Longitudinal Tensile and Anchoring Properties of CFRP Cables
Publisher: American Society of Civil Engineers
Abstract: Carbon fiber–reinforced polymer (CFRP) is very suitable for use as a prestressed cable and can replace conventional steel cables in cable roofs. In engineering practice, the anchoring length increases rapidly as the ...
Characterization of Insulation Performance, Poststability, and Foaming Process of Rigid Polyurethane Sandwich Panel for Cold Storage Warehouse
Publisher: American Society of Civil Engineers
Scenario Analysis of the Impact on Drinking Water Intakes from Bromide in the Discharge of Treated Oil and Gas Wastewater
Publisher: American Society of Civil Engineers
Abstract: Elevated levels of bromide have been shown to contribute to increased formation of disinfection byproducts (DBPs). Both produced water from unconventional oil and gas wells, which are hydraulically fractured using high ...
Breakage Characteristics and Crushing Mechanism of Cement Materials Using Point-Loading Tests and the Discrete-Element Method
Publisher: American Society of Civil Engineers
Abstract: A point-loading device was used to research the breakage characteristics of single particles and to study their crushing mechanism. A series of point-loading tests were completed on the basis of cement ellipsoid particles ...
Evaluating the Impact of Crushing Process on Strength Characteristics and Leachability of Cement-Stabilized Dredged Sediment
Publisher: American Society of Civil Engineers
Abstract: Stabilization of dredged sediment and reusing the mixture as a construction material is an effective way to reduce environmental problems and save natural resources. However, the crushing process that occurs during ...
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 ...
Damage of Sandstone Induced by Repetitive Impact Loading
Publisher: ASCE
Abstract: The dynamic weakening of rock is frequently observed when the rock is subjected to a series of repetitive impact loads. Sandstone is utilized in our experiment on the dynamic performance under impact loading. The split ...
Performance of a Prestressed Concrete Pipe Energy Pile during Heating and Cooling
Publisher: American Society of Civil Engineers