NSF (Nylon Synthetic Fiber) Effectiveness in Stabilizing Weak Subgrade Soil: An Experimental Investigation

Table 2

Summary of soil tests, method, and manual used.

Conducted tests	Method used	Manuals
Natural moisture content	Oven dry method	ASTM D 2216
Field density	Sand replacement method	ASTM D 4914
Unconfined compressive strength	Unconfined compressive test	ASTM D 1556
Grain size analysis	Sieve analysis and hydrometer test	ASTM D 422-63
Atterberg’s limit	Atterberg’s limit test	ASTM D 4318
Specific gravity	Pycnometer method	ASTM D 854
Free swell index	Free swell test	ASTM D 4546
Compaction	Modified compaction test	ASTM D 1557
California Bearing Ratio	Standardized penetration test	ASTM D 1883