523.2R-96: Guide for Precast Cellular Concrete Floor, Roof, and Wall Units

523.2R-96: Guide for Precast Cellular Concrete Floor, Roof, and Wall Units

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Description

This guide presents information on materials, fabrication, properties, design, and handling of precast concrete floor, roof, and wall units having oven-dry unit weights of 50 pcf (800 kg/m3 ) or less. The concrete achieves the low density through the use of gas-releasing agents or the mechanical incorporation of air.

Keywords: cellular concretes; concrete construction; concrete slabs; deflection; floors, lightweight concretes; precast concrete; prefabrication; roofs; structural design; thermal conductivity; walls.

 

Document Details

Author: ACI Committee 523

Publication Year: 2002

Pages: 5.00

ISBN: 9780870313493

Categories: Cellular Concrete

Formats: PDF

Table of Contents

Chapter 1—General

1.1—Objective

1.2—Scope

1.3—Definition of cellular concrete

Chapter 2—Materials

2.1—Aggregate

2.2—Hydraulic cement

2.3—Lime

2.4—Mixing water

2.5—Reinforcement

2.6—Admixtures

Chapter 3—Concrete properties

3.1—Compressive strength

3.2—Drying shrinkage

3.3—Thermal insulation values

Chapter 4—Design

4.1—Structural analysis

4.2—Notation

4.3—Allowable design stresses in concrete and reinforcement

4.4—Deflection

4.5—Concrete protection for reinforcement

4.6—Modulus of elasticity

4.7—Bearing

4.8—Interaction between units

4.9—Anchorage

4.10—Holes and openings

Chapter 5—Manufacturing

5.1—Curing

5.2—Workmanship

5.3—Dimensional tolerances

5.4—Identification and marking

Chapter 6—Tests

6.1—Tests of an individual flexural unit

6.2—Quality control, sampling and acceptance testing

Chapter 7—Handling

Chapter 8—Fire resistance

Chapter 9 —References

9.1—Specified references

9.2—Cited references

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