Abstract
A unified view about the design strength of nonwoven fabric has not yet been reached. To clarify the design strength, the biaxial tensile tests were performed.
In consequence, nonwoven fabric which was confined the lateral face showed approximately a 15% decrease in strain when compared with non-confined nonwooven fabric. The rate of decrease could be explained by biaxial Poisson's Ratios. Tensile strength also increased 15% when compared with non-confined nonwooven fabric.
However the tensile strength was less than what was estimated by the slope failure test. It is necessary to examine a study as compositions of sand and nonwooven fabric.