437R-19: Strength Evaluation of Existing Concrete Buildings

437R-19: Strength Evaluation of Existing Concrete Buildings

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Description

The strength of existing concrete buildings and structures can be evaluated analytically and supplemented where necessary with load testing. The recommendations in this report indicate when such an evaluation may be needed, establish criteria for selecting the evaluation method, and indicate the data and background information necessary for an evaluation. Methods of determining material properties used in the analytical and load test investigations are described in detail. Analytical investigations should follow the principles of strength design. Working stress analysis can supplement the analytical investigations by relating the actual state of stress in structural components to the observed conditions.

Keywords: cracking; deflection; deformation; deterioration; gravity load; load; load test; reinforced concrete; strength; strength evaluation; test.

 

Document Details

Author: ACI Committee 437

Publication Year: 2019

Pages: 28

ISBN: 9781641950596

Categories: Torsion

Formats: Printed Document or PDF

Table of Contents

CHAPTER 1—INTRODUCTION AND SCOPE

1.1—Introduction

1.2—Scope

CHAPTER 2—DEFINITIONS

CHAPTER 3—PRELIMINARY INVESTIGATION

3.1—Review of existing information

3.2—Condition survey of structure

CHAPTER 4—METHODS FOR MATERIAL EVALUATION

4.1—Concrete

4.2—Reinforcing steel

4.3—Fiber-reinforced polymer reinforcement systems

CHAPTER 5—ASSESSMENT OF LOADING CONDITIONS AND SELECTION OF EVALUATION METHOD

5.1—Assessment of loading and environmental conditions

5.2—Selecting the proper method of evaluation

CHAPTER 6—EVALUATION AND INTERPRETATION OF RESULTS

6.1—Analytical evaluation

6.2—Supplementing the analytical evaluation with load tests

CHAPTER 7—REFERENCES

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