Seismic Analysis, Behavior, Design, and Detailing Requirements of Special RC Moment Frames Based on ASEC 7-22 and ACI 318-19 Codes

In Seismic Analysis, Behavior, Design, and Detailing Requirements of Special RC Moment Frames Based on ASEC 7-22 and ACI 318-19 Codes, you'll learn ...

• How to design strong-column/weak-beam frames that can endure multiple cycles of inelastic responses during earthquakes
• When to use special moment frames, how to proportion frames effectively, and why historical development and current usage are essential factors to consider
• The need for ductile flexural behavior, the avoidance of nonductile failures, and proper detailing of beams, columns, and joints
• Story drift limits, foundation modeling considerations, and stiffness recommendations

Overview

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Credit: 4 PDH

Length: 62 pages

Special reinforced concrete moment frames are essential components of buildings in high seismic risk areas. This course outlines the design, behavior, and detailing requirements for such frames according to the ACI 318-19 Code. The course emphasizes the importance of specific design considerations to ensure structures can withstand seismic forces without significant loss of stiffness or strength.

The primary focus is on designing strong-column/weak-beam frames that can endure multiple cycles of inelastic responses during earthquakes. It stresses the need for ductile flexural behavior, the avoidance of nonductile failures, and proper detailing of beams, columns, and joints.

Essential design steps include assessing beam moment strengths, longitudinal reinforcement, joint shear, anchorage requirements, and proper detailing for beam-column joints. The course highlights the significance of various factors such as base restraints, load and strength reduction factors, and analysis guidance using procedures like ELF, MRS, LRH, and NRH analyses.

Furthermore, it touches upon story drift limits, foundation modeling considerations, and stiffness recommendations. The course provides insights into when to use special moment frames, how to proportion frames effectively, and why historical development and current usage are essential factors to consider.

Incorporating practical examples, figures depicting reinforcement requirements, allowable story drift limits, and joint configurations enhances the understanding of the structural principles outlined. The material covers various nuances of frame design to ensure safety, compliance with codes, and efficient structural performance, making it a comprehensive guide for practicing structural engineers, building officials, educators, and students in the field.

Specific Knowledge or Skill Obtained

This course teaches the following specific knowledge and skills:

• The composition and key components of reinforced concrete special moment frames.
• The seismic force-resisting systems for buildings in seismic design categories D, E, and F.
• Detailing requirements for special moment frames according to ACI 318-19 code.
• The benefits and challenges associated with using special moment frames in seismic design.
• The concept of a strong-column/weak-beam design principle in special moment frames.
• The principles and procedures for designing special moment frames to ensure ductile behavior.
• Beam and column proportioning requirements for special moment frames.
• Principles of analysis for special moment frames using various analytical procedures as per ASCE 7.
• The foundation modeling considerations and design requirements for special moment frames.
• The principles of joint shear calculations, reinforcement anchorage, and detailing for beam-column joints in special moment frames.

Certificate of Completion

You will be able to immediately print a certificate of completion after passing a multiple-choice quiz consisting of 22 questions. PDH credits are not awarded until the course is completed and quiz is passed.