Volume Change Apparatus ASTM C-157
It is used for determination of volume change of set cement concrete.
The apparatus comprises the following :-
- One frame consisting of a base, two pillars and a cross bar.
- One dial gauge 0.002 mm x 5 mm travel.
- One specimen mould for 100 mm x 100 mm x 250 mm effective gauge length with four stainless steel studs.
- One stainless steel reference bar.