Podcast
Questions and Answers
What is a major advantage of using beams with corrugated web over traditional rolled and welded profiles?
What is a major advantage of using beams with corrugated web over traditional rolled and welded profiles?
- Lower resistance to bending
- Larger radius of inertia
- Increased weight per unit length
- Higher coefficient of utilization of material (correct)
Why did the location of folds in the webs of plate girders cause welding of stiffeners in every place of concentrated load occurrence?
Why did the location of folds in the webs of plate girders cause welding of stiffeners in every place of concentrated load occurrence?
- To reduce bending stresses
- To minimize material usage
- To increase the stiffness of the web
- To avoid buckling under concentrated loads (correct)
How did the automation of production in the 80s and 90s enable the widespread use of plate girders with corrugated web?
How did the automation of production in the 80s and 90s enable the widespread use of plate girders with corrugated web?
- Reduced the weight of plate girders
- Increased the efficiency of material utilization
- Improved the technology of welding (correct)
- Allowed for more complex web designs
What formula is used to calculate the reduced modulus of shear in Timoshenko beams?
What formula is used to calculate the reduced modulus of shear in Timoshenko beams?
In the context of plate girders, what does the reduced coefficient of shear (kred) estimate?
In the context of plate girders, what does the reduced coefficient of shear (kred) estimate?
For analyzing wavy web influence on displacements, what equation is used to calculate the resistance of the web?
For analyzing wavy web influence on displacements, what equation is used to calculate the resistance of the web?
What is the main advantage of plate girders with corrugated web compared to plate girders with flat webs and trusses?
What is the main advantage of plate girders with corrugated web compared to plate girders with flat webs and trusses?
In the context of beam production with a sinusoidal wave web, what is the chord length of the produced web?
In the context of beam production with a sinusoidal wave web, what is the chord length of the produced web?
What is the function of the station of welding (7) in the production process of girders with a corrugated web?
What is the function of the station of welding (7) in the production process of girders with a corrugated web?
How does the presence of a corrugated web influence the overall stiffness of plate girders?
How does the presence of a corrugated web influence the overall stiffness of plate girders?
