345.1R-16 Guide to Maintenance of Concrete Bridge Members

345.1R-16 Guide to Maintenance of Concrete Bridge Members

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Description

This guide addresses typical problems and cost-effective maintenance techniques for highway bridges and their members, providing guidance to engineers and maintenance staff. Maintenance is crucial to a bridge’s lifespan and continued functionality, as well as to the public safety. Continuous and systematic maintenance of a bridge will extend its service life and reduce its overall operating cost.

Concrete bridge maintenance is defined as those activities that are relatively inexpensive and repeatable, performed when a concrete member is still in good to fair condition, and are intended to prevent or minimize deterioration of the concrete. These activities include sealing, washing, caulking, crack repair, and other minor repairs intended to prolong functionality of bridge members.

This guide does not cover major rehabilitation, reconstruction, or bridge inspection. Detailed methods of repairing and inspecting bridges are referenced wherever necessary throughout the guide relative to the subject matter.

Keywords: bridges; cementitious; coating; maintenance; placement; polymer; sealant.

 

Document Details

Author: ACI Committee 345

Publication Year: 2016

Pages: 24.00

ISBN: 9781945487217

Categories: Bridges

Formats: Printed Document, PDF, ePub, or Kindle

Table of Contents

CHAPTER 1—INTRODUCTION AND SCOPE

1.1—Introduction

1.2—Scope

CHAPTER 2—DEFINITIONS

CHAPTER 3—MAINTENANCE OF BRIDGES

3.1—Bridge maintenance

3.2—Limitations

3.3—Timing of maintenance

CHAPTER 4—DETERIORATION OF BRIDGES

4.1—Deterioration indicators

4.2—Causes

4.3—Contributing factors

CHAPTER 5—CONSIDERATIONS IN BRIDGE DESIGN

5.1—General

5.2—Decks and curbs

5.3—Deck joints

5.4—Superstructure

5.5—Substructures

CHAPTER 6—DRAINAGE AND WASHING

6.1—General

6.2—Deck drainage

6.3—Washing exposed surfaces

6.4—Maintenance of deck drains

6.5—Other drain considerations

CHAPTER 7—SEALING

7.1—General

7.2—Purpose

7.3—Sealing materials

7.4—Suggested areas for sealing

7.5—Recommended practice

7.6—Product selection

CHAPTER 8—MAINTENANCE PATCHING

8.1—General

8.2—Purpose

8.3—Selecting durable patching materials

8.4—Recommended patching procedures

CHAPTER 9—JOINTS AND CRACKS

9.1—General

9.2—Maintenance of joints

9.3—Cracks

9.4—Crack repair

9.5—Joint caulking

CHAPTER 10—NOTABLE TECHNIQUES FOR BRIDGE MAINTENANCE

10.1—General

10.2—Corrosion inhibitors for use in maintenance

10.3—Galvanic cathodic protection using sprayed zinc

10.4—Discrete or spot anodes

CHAPTER 11—SUMMARY

CHAPTER 12—REFERENCES

Authored documents

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