Middle Of Profile Research Articles

Racking resistance of prefabricated timber-glass wall elements

Importance of building large-size glazing into timber structures has significantly grown over the last decade. This was one of the major reasons for carrying out the presented experimental research on timber structures with a fixed glazing placed in the external sides or in the middle of the timberframe wall elements. Timber frame, to which glass pane is directly attached, forms the composite wall element, which contributes to stability of the entire system with its load capacity. Different types of adhesives with specific characteristics were used and they consequently caused different impacts on a wall composite. Both concepts, with bilateral glass as well as single glass lining in the middle of profile, are presented.

Numerical Simulation of Stress-Strain of AZ31 Mg Alloy Profile during Warm Tension-Rotation Bending Process

The warm tension-rotation bending process of AZ31 Mg alloy profile was simulated. The distribution of stress and equivalent plastic strain of the profile during the bending process were analyzed. The results indicate that tangential stress of cross-section of profile from the inside to outside after bending is shown as "tensile-compression-tensile-compression", which is appeared as "N"-shaped. Equivalent plastic strain of the outside of profile is maximum, which is 0.132; the inside of profile is lower, which is 0.069; the middle of profile is minimum, which is 0.003.