U.S. Department of Transportation
Federal Highway Administration
1200 New Jersey Avenue, SE
Washington, DC 20590
202-366-4000


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Bridges & Structures

High Strength Bolts Seminar

Agenda

  1. Introduction
    1. Speakers
    2. Course Development
  2. Background
    1. Objectives
    2. Problems
  3. Field Requirements
    1. Receipt of Fasteners and Documentation
      1. Fasteners
        1. Container Labeling
        2. Documentation (Learner Objective: Recognize required Documents)
          1. Required Documents
          2. Furnish to State
    2. Storage
      1. In Original Containers
      2. In Building
    3. Bolt Condition
      1. Lubrication (Learner Objective: Explain the effect lube on the torque/tension relationship)
        1. Black - Oily to the Touch
        2. Galvanized - Lubricated Nuts
        3. Changed Condition - Retest
    4. Testing
      1. State
        1. Physical tests
        2. Rotational Capacity Test (R/Ctest)
      2. Contractor
        1. Rotational Capacity Test (Learner Objective: Demonstrate the R/C test)
        2. Retesting - Changed conditions
    5. Installation Procedures (Learner Objective: Recognize installation requirements for each method)
      1. Direct Tension Indicators
      2. Turn of Nut
    6. Post Installation Inspection (Learner Objective: Identify inspection methods)

We will demonstrate the effect of varying thread conditions and the installation procedures. The session will be informal and will promote attendee participation.

A slide projector and screen will be needed for the presentation.

Updated: 09/03/2013
Federal Highway Administration | 1200 New Jersey Avenue, SE | Washington, DC 20590 | 202-366-4000