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RISExperimental Study on the Performance of a Sand Filtration Method and Device by Using Natural Soils and Subsurface PVC Drainage Pipes
Publisher: ASCE
Abstract: Drip irrigation is an efficient water-saving irrigation technique. However, the clogging of emitters is a major problem for drip irrigation systems that adversely affects the uniformity of water distribution and lowers the ...
Rheological Behavior of Bitumen Modified by Synthesized Polyurethane Based on MDI–PPG Reactive Prepolymers
Publisher: American Society of Civil Engineers
Abstract: Bitumen without modification is prone to suffer from damage under extreme temperature and traffic conditions, leading to distress such as rutting, fatigue cracking, and thermal cracking. Polyurethane-modified bitumen can ...
Rheological Behavior of Bitumen Modified by Synthesized Polyurethane Based on MDI–PPG Reactive Prepolymers
Publisher: American Society of Civil Engineers
Abstract: Bitumen without modification is prone to suffer from damage under extreme temperature and traffic conditions, leading to distress such as rutting, fatigue cracking, and thermal cracking. Polyurethane-modified bitumen can ...
Analysis of Car Impact Signal Based on Wavelet Transform Theory
Publisher: American Society of Civil Engineers
Abstract: Nonlinear and non-stability car impact signal processing method was studied, and time-frequency for multi-resolution was analyzed. The resolution “auto-zoom” was analyzed and time-frequency was allocated for complex ...
Acoustic Emission Sensing for Crack Monitoring in Prefabricated and Prestressed Reinforced Concrete Bridge Girders
Publisher: American Society of Civil Engineers
Abstract: Prefabricated and prestressed beams are integral to accelerated bridge construction (ABC) and other construction projects, but concerns exist regarding the development of cracks during curing, form removal, detensioning, ...