Objective: To ascertain the modulus of elasticity of concrete Sample: Concrete calendar 15 cm diameter and 30 cm long Process Setting up of the Compressometer (i) Assemble the top and base casing by keeping the spacers in position. (ii) Put the pivot rod on the sinks and bolt them position. (iii) Put the tightning screws […]
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Objective: (i) For ascertaining the coefficient of expulsion (Cd) of the specified notch for diverse rates of flow (ii) To standardize the notch (by shaping the constants K and n, presuming the actual discharge Qa = K Hw) (iii) To plot the specified graphs: Cd Vs Hw. Log Qa Vs Log Hw (to locate K and n value) Qa Vs HHg (by […]
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Aim: To ascertain the Metacentric height and radius of gyration of specified floating body Equipment: Stopwatch Weights for tilt: 200,300, 500 gms Float tank of the size 0.8*0.8*0.3 Ship with the arrangement to ascertain the tilt because of diversion of small weight Basics: The float is diverted for an angle of from its level location by […]
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Objective: (i) To standardize the tool (by assessing the constants K and n, presuming the actual discharge Qa = K HHg n ) (ii) To decide on the coefficient of discharge (Cd) of specified Venturi meter for diverse rates of flow. (iii) To assess the difference of Cd and discharge in regards to the head by plotting the […]
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Aim: To ascertain the Darcy’s and Chezy’s constant for the specified pipes To plot the specified graph: Darcy’s constant ‘f’ vs Reynold’s number Chezy’s constant ‘C’ vs Reynold’s number Equipment: a) Pipes of 15, 20, 25 and 32 mm diameters ‘D’ of longitude ‘L’ 3 m with flow control valve in all of the pipe. […]
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Aim: (i) To standardize the Orifice meter device (by assessing the constants K and n, presumptuous the real discharge Qa = K*Hhgn). (ii) To compute the coefficient of discharge (Cd) of the specified orifice meter for diverse rates of flow. (iii) To revise the deviations of Cd and release with regards to the head by […]
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Objective: To assess the workability of concrete (using compaction factor test) Apparatus Compaction factor apparatus’ trowels Hand scoop (15.2 cm long) Steel rod or other handy equipment (1.6 cm diameter, 61 cm long rounded at one end) and a balance. Sampling Concrete mix (M15) is blended according to the specified mix design in the laboratory. […]
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The determination of specific gravity is usually described as the ratio between the mass of a specified volume of substance and weight of an equivalent volume of water. To resolve the specific gravity of cement, kerosene which do not react when mixed with cement is utilized. Apparatus Le Chaterlier”s flask, weighing balance, kerosene (free from […]
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Objective: To assess the volume of water needed to create a cement paste of standard consistency. The standard consistency refers to that consistency, which will allow the vicat plunger to break through a to a point 5 to 7mm from the base of the vicat mould or cast when tested as explained below: Apparatus Vicat […]
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Objective: To calculate the compact strength of the standard cement sand mortar cubes Apparatus 7.06cm cubes moulds (50cm2 face area) Apparatus for measuring and blending the vibrator, mortar and compression testing devices. Procedure Lets take 600gm of standard sand and 200gm of cement in the ratio of 1:3 by weight) in a pan. (The regular sand […]
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