It is worth mentioning that in order to develop the active earth pressure test, the mobile block supporting the wall with the soil behind was increasingly and manually displaced by means of a control lever see arrows and control lever in Figure 2.
Es importante señalar que para desarrollar el empuje activo el bloque móvil que sostiene a la pared con el suelo detrás es desplazado incrementalmente a mano con un manubrio ver flechas y manubrio en Figura 2.