Which strategy could an engineer use to design an earthquake-safe structure?(1 point)
Responses
constructing building foundations on pads that move
constructing building foundations on pads that move
removing the frames from between the stories of a building
removing the frames from between the stories of a building
making the roof flexible so that it is less likely to collapse
making the roof flexible so that it is less likely to collapse
using materials such as brick and concrete
using materials such as brick and concrete
I think I might make the roof flexible.
Yes, making the roof flexible is a valid strategy to design an earthquake-safe structure. A flexible roof can absorb and dissipate the energy produced during an earthquake, reducing the likelihood of collapse. This can be achieved by using materials with high elasticity or incorporating flexible joints and connections in the roof structure.
The strategy that an engineer could use to design an earthquake-safe structure is to construct building foundations on pads that move. This technique is called base isolation and it involves placing the building on flexible pads or bearings that can absorb the seismic energy during an earthquake. By allowing the foundation to move independently from the ground, base isolation helps reduce the transfer of seismic forces to the structure and minimize damage.
To implement this strategy, the engineer would need to consider the appropriate design and selection of base isolation systems. This involves evaluating the site conditions, seismic hazard levels, and the specific requirements of the structure. Structural analysis and engineering principles are utilized to determine the appropriate type of isolators and their properties, such as size, shape, and material composition.
Additionally, the engineer needs to ensure proper coordination and integration of the base isolation strategy with other structural elements, such as the superstructure (floors, beams, columns), the roof system, and the overall architectural design. This may involve adjustments in the building's layout, dimensions, and material selection to optimize the performance and effectiveness of the base isolation design.
Therefore, constructing building foundations on pads that move is an effective strategy to enhance earthquake resistance in structures, but it requires careful planning, analysis, and coordination with other design aspects to ensure a safe and reliable solution.