A 36-year old man presents to the emergency room five days after undergoing extracorporeal shock wave lithotripsy (ESWL) for a symptomatic 11mm left renal pelvis stone. The patient has persistent symptoms of severe left flank pain at presentation. Plain abdominal radiography is obtained and shows a steinstrasse pattern of urolithiasis. In the 1980s, the German developers of ESWL observed that s...

In soft soil foundations, geogrid encased stone column composite foundation technology has been widely applied and developed in recent years due to its efficient treatment. this study, eight groups of laboratory model tests were performed a large-scale testing tank investigate the bearing mechanism stress characteristics columns under traffic loads with different cyclic load ratios. The at bott...