👉PART TWO ANSWERS6. A) Steel rods are the most commonly used reinforcement in concrete structures to resist tension forces.
7. D) Base isolation systems are the most effective form of earthquake resistant design for high-rise buildings, as they effectively reduce seismic forces on structures.
8. B) I-beams are the most efficient beam type for spanning long distances with a small cross-sectional area due to their efficient use of materials and strong bending strength.
9. C) Blast-resistant glazing is not effective in reducing blast wave impact on buildings, whereas double-skin facades can dissipate energy from blast waves.
10. C) Magnetic resonance imaging (MRI) is not a geotechnical investigation method; other methods include permeability tests, plate load tests, and standard penetration tests.
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