MTS 316 Load Frame - Manual (Page 5)

Series 316 Load Frame Product Information Introduction 5
Introduction
The MTS Series 316 Load Frame Assembly is used to apply axial loads to rock
or concrete specimens for unaxial compression, tension, and fracture mechanics
tests. The assembly consists of a fixed crosshead mounted on four columns,
which are bolted to the base plate, resulting in a rigid, yet freestanding frame.
The four-column design allows access to the test area from all four sides for easy
insertion and removal of a wide range of specimen sizes and fixtures. Plastic
curtains on three sides and a front door enclose the test area. The test area height
is adjusted by using spacer plates for uniaxial testing. The load frame itself rests
on a rigid table to provide a convenient working height.
When a triaxial cell is inserted into the test space, the Series 316 Load Frame
actuator applies axial stress to the specimen inside the triaxial cell. Alternatively,
a horizontal loading assembly that includes a horizontal actuator can be attached
to the axial load frame to provide a shearing load for direct shear tests. In this
configuration, the Series 316 Load Frame actuator applies the normal load.
The load frame assembly is available in four standard sizes based on load
capacity. Choosing a load frame depends on the strength and size of the material
being tested and the testing requirements.