Used for determination of soundness of cement, and class-A and class-B limes. The apparatus consists of the following :-
Used for conducting popping and pitting tests on limes. It consists of :
For preparing specimens of 25 mm x 25 mm x 250 mm effective gauge length with inserted stainless steel reference studs for determining the soundness of Portland Cement by the autoclave test and potential alkali reactivity of cement-aggregate combination by mortar bar method.
The mould consists of two side plates and two end plates assembled on a common base plate with screws and dowel pins. Two reference stud holders snugly fit into the mould and are held by screws through the end plates. Two knurled and threaded reference studs are fitted into these stud holders.
Similar to HC38.15 but with two mould compartments assembled on a common base plate for preparing two specimens at a time.
Similar to HC38.15 but with two mould compartments assembled on a common base plate for preparing two specimens at a time.
Similar to HC38.15 but with four mould compartments assembled on a common base plate for preparing four specimens at a time.
Used for measuring the length change of hardened cement paste, concrete and mortar and also due to potential alkali reactivity of cement aggregate combination in course of time.
The apparatus comprises the following :-
Length Comparator with electronic dial gauge
Same as HC38.35 except that it has a displacement sensor or digital gauge of +10mm travel and a read out unit with sensitivity of 0.001mm.
It is used for determination of volume change of set cement concrete.
The apparatus comprises the following :-
i) One frame consisting of a base, two pillars and a cross bar.
ii) One dial gauge 0.002 mm x 5 mm travel.
iii) One specimen mould for 100 mm x 100 mm x 250 mm effective gauge length with four stainless steel studs.
iv) One stainless steel reference bar.
Used for accelerated soundness tests on cement. It can also be used for other accelerated testing requiring constant steam pressure up to 21/kg. Sq. cm.
The equipment comprises :-
Same as HC 38.47 except that the displa of pressure is on the digital indicator.
The equipment comprises the following :-
All the above combine to form the calorimeter for determination of heat of hydration of cement.
Suitable for operation on 220 V, 50 Hz, single phase supply.
The unit is same as HC 38.50 except that it is provided with digital thermometer with a sensitivity of 0.010C
Used for determining proportions of the constituents of freshly mixed concrete with 40 mm maximum sized aggregate.
The apparatus comprises the following :-
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