First US use of a steel compression sleeve for pipeline repair confirmed nearly 7 years of Canadian and Mexican experience that the method can permanently repair longitudinal defects on an operating ...

To investigate the axial compression performances of precast concrete columns with a novel steel connection, axial compression tests were carried out on 14 specimens. The effects of four different ...

1 School of Civil and Transportation Engineering, Guangdong University of Technology, Guangzhou, China 2 Department of Civil and Environmental Engineering, University of Macau, Macau, Macau SAR, China ...

Many mechanical tests of composite materials require the compression loading of a test fixture. These include not only compression test methods, but also many shear, flexure, curved-beam strength, ...

President, Wyoming Test Fixtures Inc. Unlike metals and plastics, for which tensile and compressive properties are the same or very similar, unidirectional composites exhibit significantly different ...

People tend to spend, on average, several hours a day sitting on couches, chairs, and car seats, as well as considerable time on mattresses every night. Polyurethane foam plays a major role in ...