THE TWO-WAY STRETCH EARTHWORK GRILL IS APPLIED WITH ULTIMATE TENSILE STRENGTH NOT
LESS THAN 50KN/M IN BOTH LONGITUDINAL AND HORIZONTAL DIRECTION. WHEN THE ELONGATION
REACH 2% AND 5%, THE TENSILE FORCE SHALL BE GREATER THAN 17KN/M AND 34KN/M RESPECTIVELY,
AND THE ELONGATION OF STANDARD LONGITUDINAL AND HORIZONTAL TENSILE STRENGTH SHALL NOT EXCEED 13%.