Skip to ContentsU.S. Department of Transportation, Federal Highway Administration FHWA Home Feedback
   Bridge Technology
  
FHWA > Infrastructure > Bridge > Bolts

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.


For more information, contact:

Gerald E. Schroeder, P.E.
Federal Highway Administration
1835 Assembly St., Suite 1270
Columbia, SC 29201
Phone: 803.765.5331
Fax: 803.253.3989
email: gerald.schroeder@fhwa.dot.gov



FHWA Home | Infrastructure Home | Bridge Home | Feedback
FHWA