Building Resistance building ppt all important topics covered
- 1. Building Resistance An Overview of Earthquake-Resistant Structures “
- 2. ’’ Introduction This presentation covers key elements of earthquake-resistant construction, focusing on foundation types and superstructure design.
- 4. ’’ Shallow Foundations Shallow foundations are used for structures with lighter loads and stable soils. They distribute the building load across the surface area and are typically less expensive. Common types include strip, pad, and slab foundations, which are designed to provide stability against lateral and vertical forces during seismic events.
- 5. Deep Foundations Deep foundations are essential for large or heavy structures, anchored deep into the ground, reaching stable soil or bedrock. Methods include pile foundations and drilled shafts, which help resist lateral forces in an earthquake by transferring loads to deeper soil layers. They are designed to maintain structural integrity under seismic loads, minimizing displacement during quakes. “
- 6. Raft Foundations Raft foundations are large, continuous slabs that support an entire structure or a group of columns. They distribute loads evenly across a wide area, making them effective for unstable soils. Raft foundations help mitigate settlement differences and are particularly useful in earthquake-resistant design by minimizing structural movement. Their design considers weight and stability to resist lateral forces during seismic events. “
- 8. Load Distribution Load distribution is critical in earthquake-resistant buildings, ensuring that loads are evenly transferred through the structure to its foundation. This includes dead loads (permanent) and live loads (temporary), which must be analyzed to prevent structural failure during seismic activity. Effective load distribution strategies involve using materials and designs that enhance rigidity and integrity under stress. “
- 9. Lateral Forces Lateral forces, such as those produced by earthquakes, act horizontally on buildings. Designing structures to withstand these forces involves using shear walls, braced frames, and moment-resisting frames that absorb and redirect the energy. Proper analysis and incorporation of these forces into a design ensure that the building can sway safely without suffering damage during seismic events. “
- 10. ’’ Seismic Design Seismic design involves creating buildings that can endure the forces of an earthquake without collapsing. This includes using flexible materials, creating a strong foundation, and incorporating safety features such as base isolators or damping systems that allow structures to move during seismic events. Compliance with building codes and ongoing advancements in technology inform modern seismic design practices.
- 11. ’’ Conclusions In conclusion, the integration of appropriate foundation types and superstructure design is essential for building earthquake- resistant structures. Understanding the characteristics of shallow, deep, and raft foundations, alongside the principles of load distribution, lateral forces, and seismic design techniques, enables architects and engineers to create safer buildings capable of withstanding seismic events.
- 12. “ ’’ CREDITS: This presentation template was created by Slidesgo, and includes icons by Flaticon, and infographics & images by Freepik Thank you! Do you have any questions?