The bonding between pavement and a steel bridge deck is key component affecting the structural integrity of delamination major cause. interface was systematically investigated to evaluate interactive influences factors, such as air void asphalt concrete pavement, surface roughness deck, thickness zinc-rich epoxy primer, waterproof membrane, on bond strength interface, through simulated loading,...

Overloads of vehicle may cause damage to bridge structures, and how assess the safety influence heavy vehicles crossing prototype is one challenges. In this report, using a large amount monitored data collected from structural health monitoring system (SHMS) in service bridge, which type large-span continuous rigid frame adopting FEM simulation technique, we suggested dynamic reliability assess...

The main purpose of the present paper is to compare two different kinds approaches in modeling deck a suspension bridge: first approach we look at as rectangular plate and second one beam for vertical deflections rod torsional deformations. Throughout this will refer model corresponding beam-rod model. In our discussion, observe that contains larger number elastic parameters if compared with is...

BACKGROUND A prospective clinical trial was conducted to evaluate the conjunctive use of an extramedullary device and the bridge-plating technique in the treatment of comminuted subtrochanteric fractures with major extension into the femoral shaft. METHODS A Winquist criteria was used to classify 3 fracture patterns. The type 3 fractures were excluded from this study because of great extent o...

INTRODUCTION: The stiffness of a fixation construct affects the mechanism and progression by which a fracture heals. Locked plating constructs have improved fixation strength in weak bone, but their relatively high stiffness may suppress interfragmentary motion (IFM) to a level insufficient for optimal promotion of secondary bone healing.[1] This is especially of concern when locked plates are ...

MaterIals and Methods: From 1982 to 2009, a series of 32 patients were diagnosed with Preiser’s disease with the criteria that avascular necrosis of the scaphoid was not associated with an obvious fracture. Conservative treatment only was applied in 9 patients; surgical reconstructions were applied in the other 23. The primary indication for surgery was pain at all times, or at occupational and...

OBJECTIVE To review the biomechanical principles that guide fracture fixation with plates and screws; specifically to compare and contrast the function and roles of conventional unlocked plates to locked plates in fracture fixation. We review basic plate and screw function, discuss the design rationale for the new implants, and examine the biomechanical evidence that supports the use of such im...