Development of Multi‐Axial Fatigue Retrofits for Waterway Lock Gate Components

Verkamp, Logan; Prinz, Gary S.; Maritime Transportation Research and Education Center (MarTREC); University of Arkansas, Fayetteville. Department of Civil Engineering

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Development of Multi‐Axial Fatigue Retrofits for Waterway Lock Gate Components

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Creators:

Verkamp, Logan ; Prinz, Gary S.

Verkamp, Logan ; Prinz, Gary S. Less -
Corporate Creators:

Maritime Transportation Research and Education Center (MarTREC) ; University of Arkansas, Fayetteville. Department of Civil Engineering

Maritime Transportation Research and Education Center (MarTREC) ; University of Arkansas, Fayetteville. Department of Civil Engineering Less -
Corporate Contributors:

United States. Department of Transportation. University Transportation Centers (UTC) Program ; United States. Department of Transportation. Office of the Assistant Secretary for Research and Technology

United States. Department of Transportation. University Transportation Centers (UTC) Program ; United States. Department of Transportation. Office of the Assistant Secretary for Research and Technology Less -
Subject/TRT Terms:

[+]

Carbon Fibers Fatigue Cracking Fiber Reinforced Polymers Finite Element Method Lock Gates Locks (Waterways) Retrofitting Validation
Resource Type:

Tech Report
Geographical Coverage:

United States
Corporate Publisher:

Maritime Transportation Research and Education Center (MarTREC)
Abstract:

Many lock gates within the US have reached or exceeded their designed life. Due to the intensity of cyclic loads and the environment, fatigue cracks have become a prominent issue. The work presented in this report is an analytical and experimental investigation into multi-axial fatigue crack mitigation by the use of carbon fiber reinforced polymer (CFRP) capable of extending gate-component fatigue life until permanent repair can occur. Detailed finite element models are used to develop and validate CFRP retrofit geometries capable of mitigating crack propagation on generalized, scaled specimens as well as a detailed model of the pintle geometry itself. Additionally, experimental crack mitigation is conducted in an attempt to validate what is found through the finite element analysis (FEA) models.
Format:

PDF
Funding:

69A3551747130
Collection(s):

University Transportation Centers US Transportation Collection
Main Document Checksum:

[+]

urn:sha256:e1020dfd2978c833191110d386245bec8c7f1c9c71b01e21982594b908969346
Download URL:

https://rosap.ntl.bts.gov/view/dot/59879/dot_59879_DS1.pdf
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Development of Multi‐Axial Fatigue Retrofits for Waterway Lock Gate Components

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