On-Demand Course: Designing Concrete Structures: Concrete Pan and Joist Floor System

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PDF Document: E702.6(22): Design a Concrete Floor System using the Pan and Joist System

INSTRUCTIONS: Study the materials included in this module. Then, complete and pass the corresponding 10-question quiz with a score of 80% or higher to receive a certificate for 0.1 CEU (equivalent to 1.0 PDH).

Continuing Education Credit: 0.1 CEU (1 PDH)

Approved AIA and ICC

Access Period: 30 days


The design example, “Design a Concrete Floor System using the Pan and Joist System,” is a detailed engineered design of a nonprestressed reinforced concrete pan and joist floor system for an office building that spans 24 ft between supports. The design is in accordance with ACI 318-14 Building Code for Structural Concrete. The design is for a 30 in. deep prefabricated joist form using welded wire and wire reinforcement in the floor pan and joist, respectively.

ACI Committee E702, “Designing Concrete Structures Committee,” is part of the ACI Educational Committee structure. Their mission is to develop educational programs and instructional materials within the area of design. The committee has developed numerous design examples to illustrate the use of various ACI documents. These examples provide step-by-step calculations with references to applicable code provisions for common member design problems and may also include calculations for common concrete testing procedures, field data analysis, or evaluations.


Document Details

Author: ACI Committee E702

Publication Year: 2022


Categories: Design

Formats: Online Learning

Table of Contents

Learning Objectives:

1. Explain preliminary design parameters to estimate depths and sizes of pans and joists that can resist office floor gravity loads.

2. Describe ACI 318-14 dimensional requirements with regard to minimum depths joist elements and clear span between successive joists.

3. Describe the concrete shear capacity, Vc, of pan and joist elements and describe differences than other concrete elements.

4. Describe final reinforcement detailing for pan and joist floor systems.


Any applicable errata are included with individual documents at the time of purchase. Errata are not included for collections or sets of documents such as the ACI Collection. For a listing of and access to all product errata, visit the Errata page.

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