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Filtering by: Has journal Sensors and Actuators B: Chemical Advisor Higgins, Christopher C. Subject Bridges -- Retrofitting

Flexural anchorage performance and strengthening on negative moment regions using near-surface mounted retrofitting in reinforced concrete bridge girders

Creator:

Barker, Laura

Abstract:

Large numbers of reinforced concrete deck girder (RCDG) bridges were built during the highway infrastructure boom of the 1950's. The advent of standardized deformed steel reinforcing bars during this time allowed for straight bar terminations in flexural tension regions. Designers of the time terminated reinforcing bars where they were no...

Resource Type:

Masters Thesis

Full Text:

........................ 64 Figure 3.30 – a) Midspan string potentiometer and b) Support displacement sensor .......... 65
Application of Titanium Alloy Bars for Strengthening Reinforced Concrete Bridge Girders in Flexure

Creator:

Vavra, Eric

Abstract:

Structurally efficient and cost-effective solutions are needed to extend the service-life of deficient and aging highway infrastructure around the world. One critical need is to increase the flexural strength of older reinforced concrete (RC) structures to carry heavier and more frequent loads. Titanium alloy bars (TiAB) offer a new opportunity...

Resource Type:

Masters Thesis

Full Text:

top view; (b) wedge failure top view; (c) wedge and groove failure side view; (d) wedge failure side