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Review of Aviles Report

on Salt Bayou Water Control Structure

1. The plates showing description of materials, moisture

C£.fL......-C-E'O-FS

Co,...o7

~"-"1F;r

4, /

O",v,

-,;/

r?"'y'?4<'

r'/

/"1/

s"",

/7,/ 9/

content, unit dry weight, shear strength and atterberg limits are

somewhat misleading. The presentation of unconfined compressive

".j-

stress as a shear strength does

~t

appear appropriate. Shear

strength is usually taken as one half the unconfined compressive

stress.

2. A comparison of the plots of pocket penetrometer readings

with those shown on the driller's log appears to indicate that

most if not all of the field readings were used on the plots.

The contracts states: "The consistency of undisturbed cohesive

materials shall be determined in the laboratory by taking pocket

penetrometer readings in accordance with procedures outlined in

Paragraph 8.6." Were pocket penetrometer readings taken in the

laboratory?