HomeMy WebLinkAboutCT 72-21; Tanglewood; Soils Reports; 1973-07-10'Y
I
July 10, 1973 RECEIVE
LJ .. . 1 .! 1973
Larwin-San Diego, Inc. CT ?as\
6150 Mission Gorge Road CITY OF CARLSBA~T 312022
Sarl Eiecjo, California 92120 Building Dcparl;mpBrt No. 14
SUBJECT: "R" Value Test Results, Marron Road, Tanglewood Subdivision, .: Carlsbad, California.
Gentlemen :
1.n accord.ance with your request, the subgrade material of the subject
road was sampled for "R" Value testing. The sample was taken approxi-
mately 300 feet from El Camino Real on Marron Rocid, Tanglewooc! Sub-
division, Carlsbad, California.
The test was performed 'in accordance with California Test Method 301-E'.
The results of this test are presented on the attached Plate No. 1.
If you have any questions after reviewing our report, please do not
hesitate to contact this office.
This opportunity to be of service is sincerely appreciated.
Respectfully submitted,
SOUTHERN CALIFORNIA TESTING LAB., INC.
RAZZ jle cc: (5)
(1)
(1 1
SlOlO
.2.14
Submitted City of Carlsbad
SCTI,, Escondido
" , R. C. E.
SAMPLE: 9
EXPANSION PRESSURE DIAL 6 1 0
63
Ph at 2000 Fwunds Psi 116 123 135
'Rvalue 16 14 9
Ph at looi) pounds PSI 47 52
I u. $ 8 Displacemont u, O
turns 5.00 4.85 4.75
CORRECTED 'R" VALUE 16 13 10 -
WVALUE AT 300 PSI EXUDATION PRESSURE = 15
PLASTIC LIMIT 1
PLASTICITY INDEX^
I SAND EQUIVALENT 1 I
EXUDATION PRESSURE Psi