423.9M-10 Test Method for Bleed Stability of Cementitious Post-Tensioning Tendon Grout (Metric)

423.9M-10 Test Method for Bleed Stability of Cementitious Post-Tensioning Tendon Grout (Metric)

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METRIC VERSION

Description

Cement grouts for post-tensioning tendons ensure durability of the system.Voids formed from bleeding of grout may result in loss of a protective environment that may lead to corrosion of prestressing steel. This test method is a tool to evaluate the bleed stability of a grout under static pressure and can be used to prequalify grout materials or for quality control.

Keywords: bleeding; bleed stability; bleed water; grout; post-tensioning;pressure.

 

Document Details

Author: Joint ACI-ASCE Committee 423

Publication Year: 2010

Pages: 3.00

ISBN: 9780870313783

Categories: Prestressed Concrete

Formats: PDF

Table of Contents

Section 1—Scope

Section 2—Referenced standards

2.1—ASTM standards

Section 3—Terminology

3.1—Definitions

3.2—Definitions of terms specific to this standard

Section 4—Significance and use

Section 5—Apparatus

5.1—Filtration funnel

5.2—Stand

5.3—Gas supply

5.4—Bleed water collection container

Section 6—Sample preparation

Section 7—Procedure

Section 8—Report

Section 9—Precision and bias

Section 10—Keywords

(Nonmandatory portion follows

Appendix A

A1.1—Example of specification limits for pressurized bleed test

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