ACI PRC-122-14 Guide to Thermal Properties of Concrete and Masonry Systems

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Description

This guide reports data on the thermal properties of concrete and masonry constituents, masonry units, and systems of materials and products that form building components. This guide includes consideration of thermal inertia of concrete and masonry, passive solar design, and procedures to limit condensation within assemblages.

Keywords: aggregate; cement paste; concrete masonry unit; moisture; precast/prestressed concrete; specific heat; sustainability; thermal conductivity; thermal diffusivity; thermal resistance.

 

Document Details

Author: ACI/TMS Committee 122

Publication Year: 2014

Pages: 32

ISBN: 9780870319716

Categories: Sustainability

Formats: PDF, ePub, or Kindle

Table of Contents

CHAPTER 1—INTRODUCTION

1.1—Introduction

1.2—Energy conservation with concrete and masonry

1.3—Building enclosure requirements

CHAPTER 2—NOTATION AND DEFINITIONS

2.1—Notation

2.2—Definitions

CHAPTER 3—THERMAL CONDUCTIVITY OF CONCRETE, AGGREGATE, AND CEMENT PASTE

3.1—Introduction

3.2—Thermal conductivity of concrete

3.3—Influence of moisture

3.4—Thermal conductivity of aggregates and cement paste

3.5—Thermal conductivity of concrete used in concrete masonry units

3.6—Thermal conductivity of two-phase systems

3.7—Sample thermal conductivity calculations using cubic model

3.8—Practical thermal conductivity

CHAPTER 4—CALCULATION METHODS FOR STEADY-STATE THERMAL RESISTANCE OF WALL SYSTEMS

4.1—Introduction

4.2—Thermal resistance of concrete masonry walls

4.3—Methods for calculating thermal resistance of concrete masonry units

4.4—Thermal resistance of other concrete wall systems

CHAPTER 5—THERMAL INERTIA

5.1—Introduction

5.2—Factors affecting thermal inertia effect

5.3—Determining thermal inertia effects

5.4—Equivalent R-values for concrete and masonry walls

5.5—Interior thermal inertia

CHAPTER 6—THERMAL PROPERTIES FOR PASSIVE SOLAR DESIGN

6.1—Introduction

6.2—Thermal properties

6.3—Incorporating mass into passive solar designs

6.4—Summary

CHAPTER 7—CONDENSATION CONTROL

7.1—Introduction

7.2—Prevention of condensation on wall surfaces under

steady-state analysis

7.3—Prevention of condensation within wall constructions

CHAPTER 8—REFERENCES

Authored documents

APPENDIX A—TEST RESULTS AND CALCULATED THERMAL CONDUCTANCE OF OVEN-DRIED CONCRETE MASONRY

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