DRYING SHRINKAGE AND MOISTURE MOVEMENT

MAKE- GEOAXIS

MODEL NO – SM6

SPECIFICATION

IS : 4031, IS 9459, ASTM- C490

The apparatus will be used for the determination of change in size of concrete or cement sample, brought about by a change in moisture content. Test can be performed on freshly made specimens or specimen taken from existing structure. The apparatus should be used to find out the length and volume change. It should consists of the followings:-

  1. Length comparator apparatus – Apparatus has to be used to find out the initial drying shrinkage, drying shrinkage and moisture movement. The equipment should be provided with the following replaceable parts:-

Length comparator frame Reference bar

Digital dial gauge 0-25mm x 0.001mm

Volume change appratus- This apparatus is to be used for determining the volume change of cement/concrete. The apparatus should consists of a mould 100 x 100 x 250 mm effective gauge length (Distance between the inner most points of the reference points) complete with base plate and four reference points of standard length. The equipment has to

be supplied complete with Length Comparator.