Seismic Design of Reinforced Concrete Buildings: Section 404.4.6

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Which seismic zone shall a structure be assigned to in accordance with the general building code?

Seismic zone 4 or 2 (correct)

Seismic zone 3 or 1

Seismic zone 1 or 3

Seismic zone 5 or 6

What is structural integrity in the context of reinforced concrete buildings?

An ability of a structure to redistribute stresses and maintain overall stability (correct)

The ability of a structure to resist earthquakes

The ability of a structure to withstand natural disasters

The ability of a structure to resist wind loads

What is required for structural systems assigned to seismic zone 4?

Only the requirements of the general building code

Only the requirements of section 418

Neither the requirements of section 418 nor the general building code

The requirements of section 418 and other applicable sections (correct)

Why is it essential to detail reinforcement and connections?

To effectively tie the structure together and improve overall structural integrity Signup and view all the answers

What is the purpose of detailing reinforcement and connections?

To redistribute stresses and maintain overall stability Signup and view all the answers

What is the primary intention behind designing structures according to the provisions of Section 418?

To resist earthquake motions through ductile inelastic response of selected members Signup and view all the answers

What is the minimum clear span requirement for flexural members of special moment frames in Zone 4?

4x effective depth Signup and view all the answers

Which of the following is NOT a requirement for flexural members of special moment frames in Zone 4?

Effective depth ≤ 4x clear span Signup and view all the answers

What type of structural systems are designated as part of the seismic-force-resisting system?

Structural systems, including diaphragms, moment frames, structural walls, and foundations Signup and view all the answers

Which section of the code applies to the design of nonprestressed and prestressed concrete structures assigned to seismic zone 4?

Section 418 Signup and view all the answers

What is the purpose of anchors in seismic design?

Not specified in Section 418 Signup and view all the answers

What is the minimum reinforcement ratio for longitudinal and transverse axes in special concrete structural walls?

0.0025 Signup and view all the answers

What is the minimum dimension of the column parallel to the reinforcement when it extends through a joint?

20 db Signup and view all the answers

Which of the following is a requirement for shear walls with in-plane Vu ≤ φVc?

Two curtains of reinforcements Signup and view all the answers

What is the maximum Vu value for walls less than 250 mm thick?

0.083 Acv√f’c Signup and view all the answers

Where must longitudinal beam reinforcements be terminated in Zone 4 and Zone 2?

Into a column core Signup and view all the answers

What is the purpose of extending longitudinal beam reinforcements into the far face of the confined column core?

To provide anchorage in both tension and compression Signup and view all the answers

Seismic Design of Reinforced Concrete Buildings: Section 404.4.6

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