THE EFFECTS OF WATER CONTENT AND GRAIN SIZE ON THE CLOGGING AND ABRASIVITY OF FINE-GRAINED SOILS IN MECHANIZED EXCAVATION

Clogging during excavation is one of the common problems in mechanized excavation.Among the influential factors in clogging of the cutter head, we can mention the percentage of fine soil particles (under 200 mesh sieve), soil moisture, and soil type.In this study, to investigate the mechanism of tunnel excavation in the laboratory, a tunnel excavat

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EVALUATION OF THE PLEURAL DISRUPTION FOLLOWING COSTOCHONDRAL GRAFT HARVESTING FROM FOURTH TO SEVENTH RIBS OF ADULT MALE CADAVER

Costochondral and rib grafts have long been used for reconstruction of lost condyle.Donor site morbidity has less been under investigation and researched.Pleural disruption pneumothorax and ugly scars are among the donor site complications.This study aims to determine the rate of pleural disruption following costochondral graft martin 00042 for sal

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