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Post-Tensioned Buildings: Design and Construction

1.6 CEUs | Thursday–Friday, March 26–27


Bijan O. Aalami, Ph.D., S.E., M.ASCE

Purpose and Background

Are you adequately skilled to handle the ever-increasing demand on design and construction of post-tensioned buildings? Meet the challenge; acquire the skill for efficient design and construction techniques; and excel among your peers. Obtain the necessary know-how to master the efficient design of post-tensioned structures. Topics cover the technical information beyond the basics including building code application, 10-step design of concrete floors, design for wind and earthquake, diaphragm design, estimate deflections, design for vibration, and good detailing practice. Become ready for opportunities in design of post-tensioned structures by deepening your understanding of the subject and details of its design procedure.

Primary Topics of Discussion

  • Post-tensioning systems; application and modern construction technology
  • Practical application of building code requirements in design
  • Review of the essential technical know-how for efficient design
  • 10-step design of a post-tensioned floor slab; long-hand design example
  • Deflection estimate of post-tensioned members
  • Shortening; crack mitigation, crack evaluation and repair
  • Design of post-tensioned buildings for wind and seismic forces, including diaphragm design
  • Vibration evaluation and design of conventionally reinforced and post-tensioned floors
  • Good detailing practice
  • Review of software application to design of post-tensioned buildings
  • Evaluation of existing post-tensioned members
  • Discussion and Q&A sessions

Seminar Benefits and Learning Outcomes

  • Become familiar with the salient features of different post-tensioning systems and their use in building construction
  • Understand the application of building codes to the design of post-tensioned members
  • Learn the step-by-step design of post-tensioned floor systems
  • Find out the reasons behind cracking in post-tensioned members; how to evaluate them; repair them and their impact on the performance of the structure
  • Become skilled in design of the post-tensioned floors to resist wind and seismic forces
  • Learn to evaluate the acceptability and design of floors to avoid objectionable vibration
  • Evaluate the available software tools for design of post-tensioned structures
  • Excel in your understanding of the post-tensioning design basics and their application to building construction

Assessment of Learning Outcomes

There will be several quizzes and case studies to evaluate the learning aspects of the presentations.

Special Features

Attendees will receive a copy of Post-Tensioned Buildings Design and Construction.

Who Should Attend?

  • Civil and structural engineers engaged in application, design, and construction of post-tensioned structures
  • Structural engineers who wish to excel and gain an in-depth understanding of post-tensioning
  • Building officials dealing with evaluation and approval of post-tensioned structures
  • Researchers and advanced students with interest in the concepts and application of post-tensioning
  • Contractors interested in detailing, crack mitigation, and construction of post-tensioned floors
  • Engineers engaged in evaluation of distressed post-tensioned floor systems

Participants are expected to be familiar with design of conventionally reinforced concrete. Former exposure to post-tensioning is advantageous, but not essential.

Seminar Outline

Day 1 | 8:30 a.m. 5:00 p.m. with a 1 hour lunch break

  • Introduction to post-tensioning systems; application in buildings and construction techniques
  • Building code requirements and application
  • The essential knowledge-set for effective design of post-tensioned structures
  • 10-step long-hand calculation of a post-tensioned floor system
  • Evaluation and design of post-tensioned floors for vibration
  • Discussion; Q&A and quizzes

Day 2 | 8:30 a.m. 5:00 p.m. with a 1 hour lunch break

  • Shortening of post-tensioned floors; crack mitigation, crack evaluation, and repair
  • Estimate and calculation of deflections of post-tensioned floors
  • Design of post-tensioned floors for wind and seismic forces, including diaphragm design
  • Software application to design of post-tensioned floors
  • Strength evaluation of existing post-tensioned members
  • Good detailing practice
  • Discussion; Q&A and quizzes

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