378' WHEC Expansion Joint Installation and Performance Evaluation

Abstract

This report presents the results of the installation and performance evaluation of a new expansion joint installed in the USCGC CHASE (WHEC-718) during the YARD availability of January 1973. Included is some design history and observations during the installation of the expansion joint. Data on performance evaluation were obtained on various portions of Atlantic Ocean station patrols during December 1973, January and February 1974. The data included strain readings to determine stress concentrations at the hinge of the expansion joint, the transverse structure directly under the expansion joint and the remaining length of aluminum superstructure at Frame 184. Strain readings were also taken on the new shear plates or side curtains installed between the main deck and 01 deck near the after end of the main deckhouse, which structure was installed concurrently with the expansion joint for the purpose of alleviating the longitudinal shear stresses presently imposed on the main deckhouse side.

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Document Details

Document Type
Technical Report
Publication Date
Jul 01, 1974
Accession Number
ADA007876

Entities

People

  • F. M. Hamilton
  • Luis M. Baez

Organizations

  • United States Coast Guard Research & Development Center

Tags

Communities of Interest

  • Ground and Sea Platforms
  • Materials and Manufacturing Processes

DTIC Thesaurus Topics

  • Bending Stress
  • Coast Guard
  • Electronic Equipment
  • Electronic Recording Systems
  • Engineering
  • Expansion Joints
  • Gages
  • Governments
  • Mechanical Working
  • Military Research
  • Naval Architecture
  • Recording Systems
  • Shear Stresses
  • Strain Gages
  • Stress Concentration
  • Stresses
  • United States Government

Readers

  • Instructional Design and Training Evaluation.
  • Mechanical Engineering/Mechanics of Materials.
  • Naval Architecture and Marine Engineering.