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RIGHT WATER CEMENT RATIO FOR MIX DESIGN

Studies show that capillary pores start to connect with each other when w/c is higher than 0.40. When w/c is higher than 0.70 all capillary pores are connected. Based on this, standards tend to establish 0.70 as the maximum value ...

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Grading of Aggregates and Grading Limits

Grading of aggregates are determination of particle size distribution of aggregates. Grading of aggregates is an important factor for concrete mix design. These affect the concrete strength as well as durability. Proper grading is important for concrete construction. Following tables provides ...

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Concrete Workability for Different Placing Conditions

Workability Requirements for Different Concrete Placement: Requirement of concrete workability varies with different types of construction. Workability of concrete is decided by design engineers based on concrete strength requirements, durability requirements and ease of construction at site. For a construction with use ...

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