اصل و ترجمه مقاله لاتین Seismic active pressure distribution history behind rigid retaining walls

Seismic active pressure distribution history behind rigid retaining walls Abstract Evaluating the seismic active earth pressure on retaining walls is currently based on pseudo-static method in practices. In this method, however, it is not simple, choosing an appropriate value for earthquake coefficient, which should fully reflect the dynamic characteristics of both soil and loading is an important problem. On the other hand, by using only two extra dynamic parameters that are shear wave velocit ...

مقاله Effects of resistive loads and tire inflation pressure on tire power losses and CO2 emissions in real-world conditions

مقاله isi تعداد صفحه 14 فرمت pdf چکیده Considerable portion of energy losses in a vehicle traced to tire. Energy losses in a tire are due to tire longitudinalslip as well as rolling resistance. Hence, both of aforementioned factors must take into the considerationto study the tire energy loss. Present paper aims to investigate the power losses in tires and toexamine influence of road conditions and tire inflation pressure on them. To cover the real-world conditions,experiments were done on a gas ...