- #1
Could someone help me explain this situation
- Thread starter tukms
- Start date
-
- Tags
- Explain
Click For Summary
SUMMARY
The discussion focuses on the mechanics of shear force in a tower structure, specifically how the top of the tower accelerates faster than the bottom. This differential acceleration creates a shear force that can exceed the maximum shear limit of the mortar joining the bricks, leading to structural failure. The relationship between force, mass, and acceleration is emphasized, illustrating that excessive acceleration results in forces that can break the mortar. Understanding these principles is crucial for analyzing structural integrity in engineering.
PREREQUISITES- Basic understanding of physics principles, particularly Newton's laws of motion.
- Familiarity with structural engineering concepts, especially shear force and structural integrity.
- Knowledge of material properties, specifically the shear strength of mortar.
- Understanding of acceleration and its effects on forces in a physical system.
- Research the concept of shear force in structural engineering.
- Study the effects of acceleration on structural materials and their limits.
- Learn about the properties of mortar and its role in brick construction.
- Explore case studies of structural failures due to shear force exceeding material limits.
Structural engineers, physics students, and construction professionals interested in understanding the dynamics of shear forces and material limits in building design.
- #2
Rajini
- 619
- 4
Hi,
Top/tip of the tower accelerates faster than bottom. Please read the lines inside ( ).
difference in shear force between bottom and top of the tower makes the tower to break.
Top/tip of the tower accelerates faster than bottom. Please read the lines inside ( ).
difference in shear force between bottom and top of the tower makes the tower to break.
- #3
tiny-tim
Science Advisor
Homework Helper
- 25,837
- 258
hi tukms! 
each brick is trying to pull the next brick, but there's a limit to how hard it can pull without the mortar (joining the bricks) breaking
that limit is the maximum shear force ("shear" means sideways to the join)
force = mass time acceleration, so if the acceleration is too large, then the force exceeeds the maximum shear force, and the mortar breaks
each brick is trying to pull the next brick, but there's a limit to how hard it can pull without the mortar (joining the bricks) breaking
that limit is the maximum shear force ("shear" means sideways to the join)
force = mass time acceleration, so if the acceleration is too large, then the force exceeeds the maximum shear force, and the mortar breaks