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The main difference is that self compacting concrete does not require vibration for compaction, while normal concrete does require. Slump test is performed to check the workability of normal concrete , while Slump Flow Test is performed to check flowability of self compacting concrete.
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Initial aur final setting time test isliye karte hain taaki cement ki setting characteristics evaluate ki ja sake. Initial setting time batata hai ki cement kitni der tak workable rahega, yani mixing aur placing ke liye available hoga. IS code ke according, ordinary Portland cement (OPC) ka initial setting time kam se kam 30 minutes hona chahiye. Final setting time batata hai ki cement kab fully set ho jayega, yani structure ko load bear karne layak bana dega. OPC ka final setting time zyada se zyada 600 minutes hona chahiye.
