Concrete, soil, asphalt and geotechnical
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46
Mohammad Nasir Mahmood
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Answer
General ConstructionACI 237R_07 self compacting concrete (SCC Concrete)
Answer
Civil EngineeringConcreteGeneral ConstructionConstruction Engineering & ManagementStructural Eng.To see the post pour inspection like;
1- Is there any honeycomb?
2- Is there any cracks?
3- Any defect of concrete due to lack of curing
4- Imperfection in finishing
Answer
As per AASHTO soil classification see the following;
| A-1 | A-3 | A-2 | |||||
| A-1-a | A-1-b | A-2-4 | A-2-5 | A-2-6 | A-2-7 | ||
| 50 max | … | … | … | … | … | … | |
| 30 max | 50 max | 51 min | … | … | … | … | |
| 15 max | 25 max | 10 max | 35 max | 35 max | 35 max | 35 max | |
| … | … | 40 max | 41 min | 40 max | 41 min | ||
| 6 max | N.P. | 10 max | 10 max | 11 min | 11 min | ||
| stone fragments, gravel and sand | fine sand | silty or clayey gravel and sand | |||||
| excellent to good |
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