Concrete Report

Concrete Report - Concrete Report CIVE 252 Construction Material Laboratory Author 12 December 2007 Introduction This lab assisted in determining

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Concrete Report CIVE 252 – Construction Material Laboratory Author: 12 December 2007
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Introduction: This lab assisted in determining properties of concrete mix design, testing, and curing that may prove useful to a construction project manager. In the process of concrete mix designed it was determined that different water to cement ratios determines the overall compressive strength of concrete. This is important to a project manager because if a structure was going to hold a certain load, it would be imperative that the water to cement ratio would be strong enough to hold this load. Also, another property in this lab was curing. Depending on what type of climate the concrete is installed determines the comprehensive strength that the concrete will have. An example of this is that it is better for the comprehensive strength of concrete if the project manager installs it on warmer day rather than a freezing one because of how the comprehensive strength in of concrete is weaker when cured in a freezing temperature compared to when it is cured in a warmer temperature. The final property in this lab is testing. The lab shows the different comprehensive strengths of concrete at the different times of each curing method. This is important to a project manager who wants to drive on freshly poured concrete a few days later. There are many ways in which a project manager can influence the properties of concrete before or after it arrives on the job site. One thing a project manager could do is determine the curing type that is needed in each situation. If the project manager felt that the concrete needed a little bit more strength he could spray water on the concrete daily to change the curing type from dry to wet. Another way to influence the properties of concrete is to install it on a day where the weather does not decrease the like compressive strength of the concrete. A warmer day is usually preferred for this situation.
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This note was uploaded on 09/23/2008 for the course CIVE 252 taught by Professor Jenson during the Fall '08 term at UNL.

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Concrete Report - Concrete Report CIVE 252 Construction Material Laboratory Author 12 December 2007 Introduction This lab assisted in determining

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