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2017

Concrete

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

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Full-Text Articles in Engineering

Investigation Of Concrete Electrical Resistivity As A Performance Based Test, Amir Malakooti Dec 2017

Investigation Of Concrete Electrical Resistivity As A Performance Based Test, Amir Malakooti

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

The purpose of this research project was to identify the extent that concrete resistivity measurements (bulk and/or surface) can be used as a performance based lab test to improve the quality of concrete in Utah bridge decks. By allowing UDOT to specify a required resistivity, concrete bridge deck quality will increase and future maintenance costs will decrease.

This research consisted of two phases: the field phase and the lab phase. In the field phase, concrete samples were gathered from local concrete producers in Utah. These concrete samples were made with common concrete mixes used in bridge decks across the state …


Experimental And Simplified Analytical Investigation Of Full Scale Sandwich Panel Walls, Salam Adil. Al-Rubaye Dec 2017

Experimental And Simplified Analytical Investigation Of Full Scale Sandwich Panel Walls, Salam Adil. Al-Rubaye

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

Concrete sandwich wall panels have been used for decades in the precast concrete construction industry because of their thermal efficiency. To achieve full or partial-composite action in concrete sandwich panel walls, the engineer must obtain a percent composite action from a connector manufacturer, making some engineers uncomfortable. Engineers are dependent upon the recommendations given by the connector manufacturers to establish their designs. This project tested six full scale sandwich panel walls to evaluate the percent composite action of various connectors and compare the results to those provided by the composite connector manufacturers.

This project aimed to validate current procedures using …