CONTENTS 



Page 



I. Introduction • ••••••••o.«ooo*««.«««*« 1 



II. Instrument Bescriptious and Operations •••• •• 1 



III* Results, ««. o • • • • o 5 



IV. Conclusions. • •••••••••••• •.••<>•••••. 7 



FIGUHES 



1. Schematic diagram indicating liquid and plastic limits • • 1 



2. Liquid limit device and grooving tool. «•.<,. • 2 



3. Schematic diagram illustrating the sediment arrangement in 



cup prior to grooving. ........... .. B .. .e 3 



U. Schematic diagram illustrating the conditions of a sample 



before and after the liquid limit test ...... .« e « h 



S>. Flow curve to determine liquid limit « it 



6. Schematic diagram illustrating a iS-gram sediment sample 

 above and below the plastic limit. • ••••••••...«, 5 



7. Rigidense instrument «••<■ • „ • 7 



