HomeMy WebLinkAboutCT 72-03; TRI-CITY AUTO PLAZA; RESULTS OF R VALUE TESTS; 1973-04-17•
BENTON ENGINEERING. INC.
APPI..IED· SOIl.. MECHANICS -FOUNDATIONS
'. "'
PHII..IP HENKING BENTON
PRESIDENT -CIVIL ENGINEER
Mr. Howard Hassett
c/o Bridge Motor Inn
6717 CONVOY \=OURT
SAN DIEGO, CALIFORNIA 921.11
April 17, 1973 TELEPHON!, (714) 569-1955
1103 North Hill Street
Oceanside, California 92054
Subiect: . Project No~ 72-10-30
Results of IIRII Value Tests
Plaza Del Norte
CT72-0~
South of Tri-City Auto Plaza
Carlsbad, California
Dear Mr. Hassett:
We are transmitting herewith copies of the reports of the laboratory tests to determine the IIRII
Values of two subgrade samples obtained from Plaza Del Norte, south of the Tri-City Auto
Plaza in Carlsbad, California.
The samples were obtained at locations as directed by Mr. Russ Morrison of the CIty of Carlsbad.
The laboratory tests were performed by TestIng Engineers, Incorporated, and their reports of the
test results are attached hereto.
Respectfu Ily submitted I
BENTON ENGINEERING, INC.
·By.£c::?~
R. C. Remer
Rev iewed by ~_~:::;;~-.::.-.::~~~~;;:;;;:.:
Philip H.
o istr: (2) Addressee
(2) City ofCarfsbacl
Engineering Department
Attention: Mr. Russ Morrison
(1) Associated Engineers
(1) Fiest, Vetter, Knauf and loy
Attention: Mr. R. Knauf
-==:::::L------"1R E eEl V E 'D
APR 1 9 1973
CITY Of CARLS'BAD
Engineering Department
;.
'./
, '
LABORATORY NUI,fBER SD2'8-1027
JOB DATA: File No. 534
Citi of Carlsbad
Benton Engineering Company,
6741 EI Cajon Boulevard
San Diego, California 92115
GRADING ANALYSIS
SIEVE
Inc.
__ S_I_Z~ __ . ___ _
PERCENT PASSING
As RC=--:..V.:;:.D.:... ~_As USED
4"
3"
2"
1"
3/.i" 100 100
lh"
%11
#4
#8
#16
:1;-30
;';50 ---.. -;'---
#100
#200
REMARKS:
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COMPACTOR PRESS· 'P.S.!.
MOIST @ COMPACTION. %
DENSITY" #'/Cu. FT.
R· VALUE STABI LOMETER
EXUD. PRESSURE. P.S.!.
STAB. THICK. FEET
EXPAN. PRESS. THICK. FEET
T. I. (ASSUMED) =
, , ~ .' r_ I" , i " ,'1 ! ! • ? 1 '.
SAMPLE' DATA: " •. Pl8,za.:c1eI: NortElsdi:'. . 40+00'.': .I,/,~.
10 I . east of' we'§t~~l~<~tj~p.;; ::pepd~.· O· .t'O :"1'2'\;~
submi tied· '.to· the:'~lap'o'tai:ory; Ap.tit 6,:,·19T3.?
" '~ .. ' , .• : ;'~~~tt?;:'(:;_!:~{'tC:; ~':;:F::',;lI:~
, "
_ ,~ 1 :,,'
A'
200
;'
. __ .-t'·~:
W
Z:J C).J -.,;
By STAB. @ 300 P.S.!. EXUD.
:;J> o . n: By EXPANSION PRESSURE'=
AT EQ'UILIBRIUM =
SAND EquiVALENT =
DURABILITY' (COARSE) =
DURABILITY (FINE) =
'. ,1'
'. "
'"
'....,' -,-,.',:--.: ~-' "
> ':" ;~"I ,
",
:" ~,
I ,"'. t' ' :./ + ••
',. ',:~ : OAKLAND'
TESTING ENGINEERS, INCORPORATED , SANTA CLARA C ,
LOS ANGELES'
SAN DIEGO ,', 3467 KURTZ ST .• P.O. BOX 80985, SAN DIEGO, CA 92138 (714) 222-118!5
LABORATORY NUMBER SD28-1028
JOB DATA: File No. 534
C1.ty of Carlsbad
Benton Engineering Company, Inc.
6741 E1 Cajon Bou1ev.J.x-d
'San Diego, California 92115
GIiMDING ANALYSIS
31EVE PERCENT PASSING
._517:Y::.... _____ _ _ As RS~'--_,3~_?...E.c> __
4"
3"
2"
1"
%" 100 100
%"
DATE April 11, 1973
SAMPLE DATA: Plaza de'.f' Norte Sta. 50+00,
10' east of westerly curb', depth 0 to 12",
submitted to the laboratory on April 6, 19731
--
R • VALUE DATA
B C D E
COMPACTOR PRESS. P,S,1. 350 350 350 350
----------------I------i---'-----l·------;I-----
MOIST @ COMPACTION· % 11.1 9.4 10.3' 9.8
~----
DENSITY. #jCU, FT, 125.3 126.l~·' , 126.3' 12$.7
R,VALUE. STABILOMETER 43 80 61' 72
EXUD, PRESSURE. P,S,1. 140 400 140 'Z10
---------------------------1----1 -------1------4---'-
STAB, THICK. FEET
EXPAN, PRESS, THICK.FEET
T, I. (ASSUMED) =
z ~ By STAB, @ 300 P.S,1. EXUD. =
1'l.J --~ Ifl> o ri By EXPANSION PRESSURE ==
AT EQUILIElRIUM = 77
SAND EQUIVALENT =
77
;':30 =---:=--=---===0= __ ====---======r.==========:==--==
DURABILITY (COARSE) LIQUID LIMIT =
::50
DURABILITY (FINE) PLASTIC l.:.iMIT ==
;':100
I p, I. == --.----~~~~o ~~===~-_"' __ ~~? __ .. ~~-.--=~~~:~-._=_====~==========~================~===_~-=~=~==~~==~=============I
REMARKS:
/1 cc.
TESTING ENGINEERS: INC,
By
,~.?/~ .•. -..:.~:-"~-----~-----"-"----._-'-.
JDB:tb James D. Bement, R.E-.. #16099
1,1,
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