How many of you know about specific gravity of cement?
We hope almost all of us would remember the value as 3.15 (actually 3.12-3.19). But most of us do not know why we are calculating this value?
Testing Procedure
Compressive Strength of Concrete Cubes – Lab Test & Procedure
Overall Strength of a structure such as flexural resistance and abrasion directly depends upon the compressive strength of concrete.
According to Wikipedia, Compressive Strength of concrete is defined as the Characteristic strength of 150mm size concrete cubes tested at 28 days.
Silt Content Test for Sand (Fine Aggregate)
Sand plays the vital role in every part of the construction (concrete, plastering, brickwork, flooring).
So it is essential to ensure that we are using good quality of sand.
Why we measure the Silt Content in the sand?
Soundness Test of Cement – by Le-Chatelier Method
Cement – Irreplaceable material in any construction (as of now). It is essential to check its quality before using. we have already seen “how specific gravity of cement affects the strength?”
In this post, we are going to see another lab experiment which determines the soundness of cement.
Concrete Slump Test – Experiment Procedure
The strength of any building mainly depends on the quality of the materials used.
Concrete is a macro content. Even though we have tested its micro contents such as sand, cement, blue metal, and water. The mixing method and proportioning of the micro-ingredients may affect the strength of the concrete.