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The Construction and Design of Concrete Slabs on Grade

D. Matthew Stuart, P.E., S.E., F.ASCE, SECB

Course Outline

This course includes the following information:

  1. Slabs on Grade Construction:  
    1. Introduction
    2. Floor Classifications
    3. Floor Performance Criteria
    4. Sub-Grade and Sub-Base
    5. Soils
    6. Moisture Control and Vapor Retarders (Barriers)
    7. Concrete Quality
    8. Concrete Mix Design
    9. Joints, Reinforcement and Crack Control:  

i.       Types of Joints

ii.     Joint Spacing

iii.   Load Transfer

iv.   Joint Stability

v.     Jointless Floor Construction


    1. Concrete Placement and Finishing:  

                                          i.     Types of Finishes

                                        ii.     Placement Patterns

                                      iii.     Finishing

                                      iv.     Curing

                                        v.     Floor Surface Tolerances


  1. Slabs on Grade Design:  
    1. Design Objectives
    2. Flexural Stresses and Design Factors
    3. Vehicle Loads
    4. Post Loads:  

                                          i.     Bearing Plates and Flexural Stresses

                                        ii.     Safety Factors for Post Loads

                                      iii.     Joint Factors for Post Loads


    1. Distributed Loads:  

                                          i.     Allowable Loads to Prevent Cracking in an Unjointed Aisleway

                                        ii.     Maximum Loads and Critical Aisle Width

                                      iii.     Allowable Loads to Prevent Slab Settlement


    1. Unusual Loads and Other Considerations
    2. Distributed Steel for Slabs on Grade:  

                                          i.     Determining Amount of Distributed Steel

                                        ii.     Alternate Methods for Determining the Amount of Distributed Steel

This course includes a multiple-choice quiz at the end, which is designed to enhance the understanding of the course materials.

Learning Objective

At the conclusion of this course, the student will understand:

Intended Audience

This course is intended for structural engineers and architects.

Benefit to Attendees

A student of this course will gain an understanding of the construction and design of concrete slabs on grade.

Course Introduction

The purpose of this course is to introduce the user to the construction and design of concrete slabs on grade.

Course Content

In this lesson, you are required to study the following course content in PDF format:

The Construction and Design of Concrete Slabs on Grade

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

This course provides insights into the construction and design of concrete slabs on grade.

Related Links

For additional technical information related to this subject, please visit the following website:


Once you finish studying the above course content, you need to take a quiz to obtain the PDH credits.

Take a Quiz

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.