Answered: 2. Calculate the gel/space ratio and…

2. Calculate the gel/space ratio and theoretical strength of a sample of concrete made with 500 gram of cement with 0.5 water/cement ratio, on fully hydration and at 60 percent hydration.

Traffic and Highway Engineering

5th Edition

ISBN:9781305156241

Author:Garber, Nicholas J.

Publisher:Garber, Nicholas J.

Chapter20: Design Of Rigid Pavements

Section: Chapter Questions

Problem 1P: Portland cement concrete consists of what four primary elements?

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Concept explainers

Types of Cement

Cement is a fine mixture of limestone, chalk, or marl and clay which when mixed with water, becomes compacted due to the formation of strong molecular bonds. Due to hydration, cement turns into a hard mass when left for a sufficient amount of time upon mixing with water. The water turns the cement compounds into gel-like submicroscopic particles having higher surface areas. It is due to the hydration properties of cement, they are often known as hydraulic cement. For instance, Portland cement is a popular example in this category.

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2. Calculate the gel/space ratio and theoretical strength of a sample of concrete
made with 500 gram of cement with 0.5 water/cement ratio, on fully hydration
and at 60 percent hydration.

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Step 1:The given data is:

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Step 2:i)For full hydration:

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Step 3:Theoretical strength of concrete:

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Step 4:ii)The gel space ratio for 60% hydration:

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Step 5:The theoretical strength will be:

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