HomeMy WebLinkAboutCT 72-21; Tanglewood; Soils Reports; 1973-06-14INSPECTION TESTING RESEARCH DEVELOPMENT ! -
6280 Riverdale St. 0 San Diego, California 92120 Phone 280-4321
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- June 14, 1973
Larwin-San Diego
6150 Mission Gorge Road
- San Diego, California 92120 SCT 312022
Report No. 11
SUBJECT: "R" Value Tests, Tanglewood Subdivision, Carlsbad, California.
Gentlemen:
In accordance with your request, eight (8) subgrade samples were taken
_.
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.. from the subject subdivision streets on April 31, 1973 in order to per-
- form the necessary tests for the design of pavement sections.
Sample locations were selected by Mr. Russ Morrison, Inspector for the
City of Carlsbad.
-5 . . , -
-
The tests performed and their results are as shown on the attached Plate
- Nos. 1 through 6. To date, only six (6) samples have been tested; as
soon as the tests of the remaining two (2) samples are completed, a new
- report will be submitted.
.- If you have any questions after reviewing our report, please do not
hesitate to contact this office. -
ENGINEERING DEPT. LIBRARY
Cily of Carlsbad 2075 Las Palmas Drive
Carlsbad. CA 92009-4859
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- SCT 312022 June 14, 1973 Page Two
- This opportunity to be of service is sincerely appreciated.
- Respectfully submitted,
SOUTHERN CALIFORNIA TESTING LAB., INC.
- FCB: jle
CC: (5) Submitted
(1) City of Carlsbad ~ ~~~
Attn: Russ Morrison Engineering Dept.
GRAIN SIZE DISTRIBUTION
SIEVE 1 AS RECEIVED I AS TESTED
-
Southehtt CaQi{ohnia "R" VALUE TEST RESULTS
BY FCB DATE 6/13/73
gesting 2fabohatohy. 9nc. PLATE W. 1 NO, 312022
-i
EXUDATION PRESSURE Pal I I
SAMPLE: No. 2 - Grid "12
GRAIN SIZE DISTRIBUTION
SIEVE I AS RECEIVED 1 AS TESTED
3 I I -
100.0
#50 90.8
.05 mm
,005 mm
.001 mm
PLASTICITY INDEX
I SAND EQUIVALENT I ln I
EXUDATION PRESSURE PSI
Southem CaQieohnia "R" VALUE TEST RESULTS
BY FCB DATE 6/13/73 gesting gabohatohy. &IC. , PLATE NO. 2 NO, 312022
%"VALUE AT 300 PSI EXUDATION PRESSURE = 20
J
I GRAIN SIZE DISTRIBUTION 1
# 100
# 200
81.0 58.2
.05 mm
.005mm
,001 mm
EXUDATION PRESSURE Psi
SAMPLE: NO. 4 - Grid.J-16
at 2000 pounds
GRAIN SIZE DISTRIBUTION
SIEVE I AS RECEIVED 1 AS TESTED
EXUDATION PRESSURE PSI
Southm CaQohnia "R" VALUE TEST RESULTS
BY FCB DATE 6/13/73
%sting $labohatohy, 9nc. JOB NO. 312022 PLATE NO. 4
SAMPLE: No. 5 - Grid E-11
'R"VALUE AT 300 PSI EXUDATION PRESSURE = 3J
## 16 98.5
# 30 94.9
# 50 86.0
# 100 69.7 A 200 54.7
.05mm I I
.005rnm I - ,001 mm I I I " PLASTIC LIMIT
PLASTICITY INDEX
SAND EQUIVALENT
EXUDATION PRESSURE psi
-
'~ @ Soutbhn CaQieohniu "R" VALUE TEST RESULTS
BY FCB DATE 6/13/73 - '3esting %lbohatohy, 9nc. - PLATE NO. 5 No' 312022
~~l;rlpp: No. 6 - Grid D-8
%"VALUE AT 300 PSI EXUDATION PRESSURE =
I PLASTICITY INDEX I AND EQUIVALENT I 5
EXUDATION PRESSURE Psi
- "R" VALUE TEST RESULTS Southem CaQi{o/mia
gestifig gabomtokg , &IC.
BY FCB DATE 6/13/73
JOB NO. 312022 PLATE NO.. 6 ~-