506.4R-94: Guide For The Evaluation of Shotcrete (Reapproved 2004)

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Evaluation of in-place shotcrete requires experience, education, and engineering judgement. This document serves as a guide for engineers, inspectors, contractors, and others involved in accepting, rejecting, or evaluating in-place dry or wet mix shotcrete.

Keywords: brooming; construction practices; cracking (fracturing); defects; dry mix; finishing; in-situ testing; inspection; lenses; nozzleman; overspray; permeability; quality; sags; sand pockets; screeding; shotcrete; trowel cutting; visual appearance voids; wet mix.


Document Details

Author: ACI Committee 506

Publication Year: 2002

Pages: 12

ISBN: 9780870310584

Categories: Shotcrete

Formats: PDF

This document is Historical

Table of Contents

Chapter 1 - Introduction

Chapter 2 - Strength

2.1 General

2.2 Destructive testing

2.3 Nondestructive testing

Chapter 3 - Bond and Voids

3.1 General

3.2 Sounding

3.3 Direct tension (tensile bond)

3.4 Sonic and radar methods

3.5 Infrared thermography

3.6 Radiography

Chapter 4 - Density

4.1 General

4.2 Density

Chapter 5 - Permeability

5.1 General

5.2 Permeability tests

Chapter 6 - Evaluation of Plastic Shotcrete

6.1 General

6.2 Tests applicable for wet process shotcrete

6.3 Test applicable for dry mix process shotcrete

Chapter 7 - Determination of Shotcrete

7.1 General

7.2 Sampling

7.3 Test procedure

Chapter 8 - References


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