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 ...
Practical Civil Engineering
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Chezy’s Constant and Manning’s Coefficient for Open Channels
OBJECTIVE: i. To find Chezy’s constant for open channels. ii. To find Manning’s Roughness coefficient for the given open channel. iii. To draw the following graphs for two different slopes of channel. iv. Chezy’s constant C vs. Reynolds number. v. ...
Best Practices in Construction
What is Best Practice in Construction The standard and planned practices followed in the construction industry that will guarantee optimal outcome and profit are regarded as best practices in construction. These practices can be a policy, procedure or a complete ...
Compaction Factor Test for Concrete Workability – Method and Procedure
Compaction factor apparatus’ trowels, hand scoop (15.2 cm long), a rod of steel or other suitable material (1.6 cm diameter, 61 cm long rounded at one end ) and a balance.
Final Setting Time of Cement as per IS:4031-Part 5
Take 400 gm of cement in a pan. Prepare a neat cement paste by adding 0.85 times the water required to give a paste of standard consistency by the previous test. Start a stop watch at the instant when water ...
Initial Setting Time of Cement as per IS 4031, IS 269
Take 400 gm of cement in a pan. Prepare a neat cement paste by adding 0.85 times the water required to give a paste of standard consistency by the previous test. Start a stop watch at the instant when water ...
Determination of Standard Consistency of Cement
The standard consistency is that consistency, which will permit the vicat plunger to penetrate to a point 5 to 7mm from the bottom of the vicat mould when tested as described below.