Er.Rumit

Search This Blog

Test of different civil engineering

April 06, 2020

Get link
Facebook
X
Pinterest
Email
Other Apps

TEST OF DIFFERENT CIVIL ENGINEERING

https://drive.google.com/file/d/17oPLXm3K-dzSQQVz8OOc6BJ5epw5zssf/view?usp=drivesdk

Test of material

Get link
Facebook
X
Pinterest
Email
Other Apps

Comments

cement tests

Practical Steps – Start to End 1. Preparation: Clean all equipment (Vicat apparatus, mold, glass plate). Maintain lab temperature at 27 ± 2°C. Use freshly opened cement (avoid lumps or moisture). --- 2. Initial Weighing: Take 400 grams of cement. Start with 25% water (i.e., 100 ml water). Mix water and cement quickly and uniformly for 3–5 minutes. --- 3. Molding the Paste: Place the Vicat mold on the glass plate. Fill it with the cement paste without vibration. Level the surface with a trowel. --- 4. Testing Penetration: Lower the plunger (10 mm diameter) to just touch the top of the paste. Release it and observe how far it penetrates. If it penetrates to 5–7 mm from the bottom, that water content is the standard consistency. --- 5. Repeat with Adjusted Water (if needed): If penetration is too deep or shallow: Change water content (±1–2%) Remake the paste Repeat penetration test until result is within 5–7 mm from bottom. --- Example Table of Results: Therefore, standard consistency = 2...

Powered by Blogger

Test of different civil engineering

Comments

Post a Comment