The dynamic response of a railway track has been investigated by analytical or numerical models. When rail supports (sleepers) foundation contain defects, the damage reduces stiffness and becomes non-uniform. This paper presents new model to calculate responses on non-uniform foundation. In this model, is considered as an infinite beam resting equidistant subjected moving forces. sleepers are s...

background loss of motion is a well-known complication after elbow trauma and in severe cases, arthrolysis of elbow is the procedure of choice. the posterior approach might have some advantages especially in post-traumatic patients who have undergone the same surgical approach in the past. objectives the aim of this study was to evaluate the short-term outcomes of elbow arthrolysis through post...

The existence of karst cavities has an important impact on the safety foundation pit excavation projects. It is engineering guiding value to study influence blasting process pits and how optimize stiffness cement mortar improve effect. Based bench project Shenzhen Dayun Foundation Pit Project, this paper adopts SPH-FEM coupling calculation method cavities, cavity-filling water silt clay rock-bl...

A three-dimensional numerical analysis of inclined anchors embedded in unreinforced and geogrid-reinforced sand is presented this paper. The pullout forces breakout factors are compared for the reinforced cases. capacity increased when placed below a layer geogrid reinforcement. influence several other parameters, such as stiffness, inclination angle, soil friction embedment ratio, investigated...

This study provides an analysis of multistory reinforced concrete residential buildings to earthquakes considering local uplift foundation, soil behaviour, site category and seismicity area as suggested by the Moroccan seismic regulation. The superstructure was modeled a flexible column with lumped mass placed at top under hypothesis large rotations or small rotations. governing equations coupl...

we present a 23-year-old man with distal humerus osteoid osteoma referring to our hospital with pain and progressive stiffness. the patient has been suffering from the disease for two years without a certain diagnosis. the radiographies of elbow did not reveal the pathology but further ct scan and mri studies demonstrated the tumor. the en block resection of the tumor resolved the pain immediat...