Strength and workability test

Reference no: EM131976932 , Length: 25 pages

Experimental setup and Methodology

1. Small introduction

2. Materials used ( explain each one)
- Cement
- Admixture (
- Fly ash
- Course aggregate
- Fine aggregate

3. Mixing and casting procedures

4. Methodology
The methodology used in this project is based on the comparison which is done between the normal concrete mix and three other mixes containing fly ash. These mixes are classified in:
• Replacing 10% of the cement content with fly ash
• Replacing 20% of the cement content with fly ash
• Replacing 30% of the cement content with fly ash

Test will be conducted on the casted sample:
• Slump test
• Compressive strength
• Flexural strength
• L-box test

Strength and workability test To find out the best durable mix with high quality by using a waste material like fly ash of to encourage the use of self-compacting concrete in Oman

Further the admixture (Range Superplasticizer)
• The water cement ratio 0.36
• The temperature will be measured it was founded to be (30o C)
• The workability test was conducted by using slump test and L-box
• 3 cubes (150x150x150) 28 days test for each percentage

Results and discussion
Write tables # discuss all the table # graph for each test (20)pages
To find Strength

1. Compressive strength
Compressive strength test is done by applying a force on the cubes in the compressive machine to measure the limit of Compressive strength till the cubes is crashed.

	7 days	14 days	28 days
Normal concrete 0%	38.6 N/mm²	44.1 N/mm²	48.25 N/mm²
10%	36.7 N/mm²	43 N/mm²	47.59 N/mm²
20%	32.6 N/mm²	39.3 N/mm²	43.2 N/mm²
30%	28 N/mm²	35.7 N/mm²	40.8 N/mm²

To find Workability

2. Slump test

	Fresh concrete
Normal concrete 0%	600mm
10%	600mm
20%	550mm
30%	520mm

3. L-box test

No	mix	time
Mix 1	Normal self-compacting concrete	7 sec
Mix 2	Self-compacting concrete with 10% of fly ash	6 second
Mix 3	Self-compacting concrete with 20% of fly ash	5 second
Mix 4	Self-compacting concrete with 30% of fly ash	5 second

4. Flexural strength

Reference no: EM131976932

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