OBJECTIVE To evaluate the factors affecting success of semi-rigid ureteroscopy in proximal ureter stones. STUDY DESIGN Descriptive study. PLACE AND DURATION OF Department Urology, Nevsehir State Hospital, Turkey between March 2017 and October 2019. METHODOLOGY Patients, who underwent a ureteroscopic lithotripsy (URSL) operation for ureteral stones, were evaluated retrospectively terms gender, a...

Stone column replacement of soft soil foundation construction method is more and used in water conservancy projects. On the one hand, stone has high permeability, which enhances dissipation capacity excess pore pressure; on other it a stiffness, reduces additional stress soil, therefore pressure. These two mechanisms work together to improve bearing soil. In previous plane strain transformation...

INTRODUCTION In special situations such as malrotated or ectopic kidneys and UPJ stenosis treatment of renal lithiasis can be challenging. In these rare cases laparoscopy can be indicated. OBJECTIVE Describe the Laparoscopic-assisted rigid nephroscopy performed via transpyelic approach and report the feasibility. PATIENTS AND METHODS We present two cases of caliceal lithiasis. The first is ...

Results: Sixteen (76.16%) subjects were man and 5 (23.80%) were women, with the mean age of 35 ± 12 years. Mean stone size was 37.2 ± 16.6 mm. Percutaneous nephrolithotomy was performed because of the stone size (over 20 mm) in 18 (85.68%) and failed SWL in 3 (14.28%). Stone numbers were more than one in 18 (85.68%) subjects, and were in the pelvis and at least one calyx. The most common access...

beam to column welded connection with radius cut on beam flange is known as rigid connection that provides acceptable ductility for special moment resisting frame (smrf). in order to decrease the cost of construction and to provide an easy-to-construct structure, the new method is available for reducing the beam section based on drilling on beam flange , known as drilled flange connection (dfc)...

BACKGROUND AND PURPOSE The present study was carried out to compare the efficacy of ESWL treating radiolucent ureteric calculi visible in the ureter after application of contrast media. MATERIAL AND METHODS Medical records of 47 patients who had verified ureteric calculi by intravenous urography and retrograde pyelography were included in this study. Patients had undergone ESWL treatment afte...

Stone columns are a more economical and efficient method to enhance the strength of expansive soils. Using granular blanket over top ordinary stone (OSC) improves drainage distribution applied stress impending from superstructure. The present study studied effect geogrid layers in (GB) OSC numerically using 'PLAXIS 2D'. 'Mohr-Coulomb failure criterion was deliberated for column, blanket, soil, ...

this paper describe the three dimensional finite element modeling and buckling analysis ofconventional pallet racking system with semi rigid connection. in this study threedimensional models of conventional pallet racking system were prepared using the finiteelement program ansys and finite element analysis carried out on conventional pallet rackswith the 18 types of column sections developed a...