423.7-14 Specification for Unbonded Single-Strand Tendon Materials

423.7-14 Specification for Unbonded Single-Strand Tendon Materials

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Description

This material specification provides materials criteria and fabrication requirements for unbonded single-strand tendons.

This specification shall not apply to post-tensioned slab-on-ground, mat, or raft foundations on expansive soils.

Reported by Joint ACI-ASCE Committee 423.

Keywords: fabrication; post-tensioning; PT coating; tendon; unbonded.

 

Document Details

Author: ACI-ASCE Committee 423

Publication Year: 2014

Pages: 8.00

ISBN: 9780870319617

Categories: Prestressed Concrete

Formats: PDF, ePub, or Kindle

Table of Contents

1—SCOPE

1.1

1.2

1.3

1.4

2—DEFINITIONS

2.1

3—REFERENCED STANDARDS

3.1—American Concrete Institute

3.2—ASTM International

3.3—International Organization for Standardization

3.4—Federal Test Method Standard

4—ORDERING INFORMATION

4.1

5—MATERIALS

5.1—Prestressing steel

5.2—Post-tensioning (T) coating

5.3—Sheathing

5.4—Anchorages and couplers

6—MANUFACTURE

6.1—Minimum quantity of post-tensioning (PT) coating

6.2—Manufacturing processes

6.3—Sheathing coverage

6.4—Nonencapsulated systems

6.5—Encapsulated systems

7—MECHANICAL PROPERTIES

7.1—Prestressing steel

7.2—Post-tensioning (PT) coating

8—DIMENSIONS, DENSITY, AND PERMISSIBLE VARIATIONS

8.1—Prestressing steel

8.2—Sheathing

8.3—Anchorages

8.4—Connecting components

9—ANCHORAGE ASSEMBLY TESTING

9.1—Validation

9.2—Components

9.3—Encapsulated systems

9.4—Static test

9.5—Fatigue test

9.6—Hydrostatic test

10—TESTING SERVICES

10.1—Prestressing steel

10.2—Anchorage assembly

11—CERTIFICATION

11.1

12—PACKAGING AND IDENTIFICATION

12.1—Bundling and banding

12.2—Identification of components

13—HANDLING, STORAGE, AND SHIPPING

13.1—Handling

13.2—Storage before shipping

13.3—Shipping

13.4—Protection from moisture

14—INSTALLATION DRAWINGS

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