This study discusses the torsional capacity of recycled coarse aggregate (RCA) reinforced concrete beams under pure torsion based on experimental findings available in literature. The data RCA specimens were collected and compared with conventional key variables, such as compressive strength longitudinal transverse reinforcement ratios, those variables affect beams. Overall, database consisted ...

Stainless is now a candidate for structural applications. Offering weight savings, enhanced “crashworthiness” and corrosion resistance, it can also be recycled. The material blends tough mechanical and fire-resistant properties with excellent manufacturability. Under impact, high-strength stainless offers excellent energy absorption in relation to strain rate. It is ideal for the revolutionary ...

In order to reduce carbon dioxide (CO₂) emissions and produce an eco-friendly construction material, a type of concrete that uses a minimal amount of cement, yet still retains equivalent properties to ordinary cement concrete, has been developed and studied all over the world. Hwangtoh, a type of red clay broadly deposited around the world, has traditionally been considered an eco-friendly cons...

This study presents the research on the chemical analysis and genotoxicity of 28 virgin/recycled paper products in food-contact use. In the chemical analysis, paper products were extracted by reflux with ethanol, and analyzed by gas chromatography/mass spectrometry. 4,4'-bis(dimethylamino)benzophenone (Michler's ketone: MK), 4,4'-bis(diethylamino)benzophenone (DEAB), 4-(dimethylamino)benzopheno...

Recycled fibers are essential raw materials used by the paper industry. However, strength of formed may fall off excessively after several cycles reuse fibers. Herein, authors measured changes in physical properties and fiber size multiple recycling prepared a handsheet from recycled different times. Then handsheets made with that had been 5 times were double-coated nanocellulose derivatives to...