Electromechanical Direct Shear Test Machine

▪Used for determining the direct shear and friction strength of specimens.

▪Provides precise and stable shear and friction motion through its electromechanical loading system.

▪Ensures smooth and vibration-free operation at low speeds.

▪Suitable for shear testing under constant or controlled normal load conditions.

▪Enables high-precision measurement of shear force and displacement parameters.

▪Supports Method A and Method B test modes in addition to conventional direct shear tests.

▪Compatible with various shear box and specimen configurations (optional).

▪Operates with a data acquisition rate of 6 readings per second, providing 0.001 mm resolution in both vertical and horizontal deformation measurements.

DIRECT SHEAR TEST

▪Used for determining the shear strength and frictional behavior of specimens.

▪The test is performed by applying a controlled shear load along a predefined shear plane.

▪During the test, shear force and corresponding displacement parameters are measured with high precision.

▪The procedure enables evaluation of peak and residual shear strength characteristics.

▪Test principle in accordance with ASTM D5607 depending on specimen material and configuration.

METHOD A → EQUIVALENT TO MULTI-STAGE SHEAR PROCEDURE

▪In Method A, the test is performed without resetting the applied load conditions.

▪Successive test stages are conducted while maintaining the existing normal and shear load state.

▪This procedure allows continuous evaluation of shear and friction behavior under uninterrupted stress conditions.

▪Equivalent to the Multi-Stage Shear Procedure (ASTM D5607-16).

METHOD B → EQUIVALENT TO SINGLE-STAGE SHEAR PROCEDURE

▪In Method B, the test is performed without resetting the applied normal (vertical) load.

▪The normal load is maintained, while the horizontal displacement and shear load are reset prior to the subsequent test stage.

▪This procedure enables evaluation of shear and friction behavior under constant normal load conditions.

▪Equivalent to the Single-Stage Shear Procedure (ASTM D5607-16).Used to cut core samples.