Precast Concrete Connections
Marvin Liebler, PE
Course Outline
(1) General Considerations
(a) Durability
(b) Fire Resistance
(c) Tolerances and Clearances
(2) Details
(a) Reinforcing Bar Development
(b) Volumetric Changes
(c) Grout
(d) Shear-Friction
(e) Epoxy Anchors
(3) Supporting Structures
(a) Corbels
(b) Connection Angles
(4) References
This course includes
a multiple choice quiz at the end,
Learning Objective
At the conclusion of this course, the student will:
- Learn three (3) components of durability;
- Learn characteristics of fire resistance;
- Study standard E119 time-temperature curve;
- Learn temperature variation of reinforcement for different distances to edges, and different concrete weights;
- Study the four (4) types of column-foundation connections, with regard to eleven (11) points of consideration in design;
- Calculate development length of straight bars;
- Find development length of hooked bars;
- Calculate development length of headed bars;
- Find increase in beam deflection due to creep and shrinkage;
- Find force exerted by fully restrained concrete beam as a function of temperature;
- Learn grout detailing considerations;
- Study the shear-friction concept and applicable areas;
- Calculate shear-friction reinforcement;
- Learn the nine (9) points to be considered in designing epoxy anchors;
- Calculate epoxy anchor adjustment factors;
- Find recommended maximum shear due to bolt loading of anchor;
- Determine the circumstances when corbel design is required;
- Calculate Nu, d, and Vu for corbels;
- Design corbel reinforcement;
- Determine the applicability of connection angles; and
- Calculate thickness of connection angles, and bolt loading.
Intended Audience
(1) Structural Design Engineers
(2) Precast Concrete Manufacturers
(3) Construction inspectors
(4) Architects
Benefit to Attendees
The student will now have a knowledge of precast concrete connections, in sufficient detail to either check or design common connection types.
Course Introduction
This course provides for the study and calculation of precast concrete general considerations, details, and support structures.
Course Content
In this lesson, you are required to download and study the following course content in PDF format:
Please click on
the above underlined hypertext to view, download or print the document for your
study. Because of the large file size, we recommend that you first save the
file to your computer by right clicking the mouse and choosing "Save Target
As ...", and then open the file in Adobe Acrobat Reader. If you still experience
any difficulty in downloading or opening this file, you may need to close some
applications or reboot your computer to free up some memory.
You may need
to download Acrobat Reader to view and print the document.
Course Summary
The course provides sufficient information for the study and design of common precast concrete connections.
Quiz
Once you finish studying the above course content, you need to take a quiz to obtain the PDH credits.
DISCLAIMER: The materials contained in the online course are not intended as a representation or warranty on the part of PDH Center or any other person/organization named herein. The materials are for general information only. They are not a substitute for competent professional advice. Application of this information to a specific project should be reviewed by a registered architect and/or professional engineer/surveyor. Anyone making use of the information set forth herein does so at their own risk and assumes any and all resulting liability arising therefrom.
