Answered: The following laboratory tests are…

The following laboratory tests are performed: o Setting time test of cement paste samples o Compressive strength of mortar cubes What are the significance and use of each of these tests?

Fundamentals Of Construction Estimating

4th Edition

ISBN:9781337399395

Author:Pratt, David J.

Publisher:Pratt, David J.

Chapter11: Pricing Concrete Work

Section: Chapter Questions

Problem 4RQ

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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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The following laboratory tests are performed:
o Setting time test of cement paste samples
o Compressive strength of mortar cubes
What are the significance and use of each of these tests?

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