2a Vs 2b Modified Stone
natural quarry stone products lehigh valley pa,it has the same uses as the 2b loose crushed stone but it is smaller and easier muddy condition caused by the fine stone dust that is mixed in the 2a modified..what is the difference between 2a and 2b stone ,2b is a clean crushed stone with an average size of 3/4'. used for drainage work and driveways when trying to bridge over wet soil areas. 1b .2b river gravel apls, inc.,2b river gravel is a popular gradation of stone that has a wide variety of uses, including french drains, concrete paving, backfilling, etc. unlike limestone, which is crushed to size and angular in shape, river gravel is 2a modified limestone .engineering and contracting (1920),2a and 2b . cover moo borse figo leads to blogs out here fig.za -crushed stone or cinders side droins 256 perubble fun to concrete , reduced section .