HomeMy WebLinkAboutCT 82-04; PALOMAR OAKS II; PAVEMENT SECTION RECOMMENDATIONS; 1988-09-12SOUTH E RN CA L IF ORN I A S OIL AND TESTING , INC .
6280 RIVERDALE ST. SAN D IEGO. CALIF". 9 21 2 0 TELE 2 80·.l3 2 I P.O. BOX 20627 SA OIEGO, CA LIF". 92120
67B E N T E R P RIS E ST CSCO NO IOO. C-'Llr 92025
September 12, 1988
Birtche r Construction Co.
27611 La Paz Road
Laguna Ni guel , California 9 26 77
SCS&T 8821057
Report No. 4
SUBJECT:
Gentlemen:
Paveme nt Section Recommendatio ns, Palomar Oaks I I
Subdivision (Tract 8 2-4 ), West Oaks Way, Carlsbad,
California.
In accordance with your request, thi s report has been prepared
to present pavement s ection recommendations f "'Jr the proposed
industrial street in the subject subdivisio n.
Three representative samples of the anticipate d subgrade soils
were obtained and tested for their Re sistance Values (R)Values)
in accordance with Califo rnia Test Method 301. The results of
these tests as shown on t he attached pl ate s, indicate R)Val ues
of 20, 20 and 40. Base d o n visual observations it appears that
the 20 R)Value material is mo re predominat2 and, in our opinion,
should be used to design the e ntire street .
Based o n a traffic i ndex
Carlsbad for i ndustrial
o f 7 . 0 as required
s tree t s a nd the
by the City of
R)Val ue t ests
results,the pavement section requirement are as follows:
S D U T H E R N C A LIFDR A SO I L AND TES TING . I NC .
I
SCS&T 882 1057 Septembe r 12 , 1988 Page 2
4 .0 I nches of Asphaltic Conc r e te Pave me n t
o n 12 .0 I nche s o f Class I I Aggregate Base
o n 12 .0 I nc hes o f Comp a c t e d Subgrade
The upper twelve i nche s o f s ubgrade sho u l d be scarified,
moisture condit ioned t o above optimum moisture requirements, and
compac t e d to a t least 95 percent o f the maximum dry density.
All soft or spo1 gy areas s hould be removed and replaced with
compacted f i ll. The base materi al should be compacted to at
least 95 percent of its maximum dry density. All materials and
methods of c onstructio n should conform with good engineering
practices and the minimum standards set f o rth by the City of
Carlsbad.
If you should have a ny q uestions after r evie wing this report,
please do not hesitate to c ontact our o ffice.
This opportunity to be o f professional service is sincerely
appreciated.
Respectfully submitted,
SOUTHERN CALIFORNIA SOIL & TESTING, I NC.
(2{~~
Charles H. Christian, R.G.E. #00215
CHC:vp
cc: (6) Submitted
Olive, Silty ClaJ
SAMPLE : 1, est Oaks ay, From Palomar Oas ay to Station 7 + 50
TEST SPECIMAN A B C _L D E
DATE TESTED 9-08 -88 9-08-88 9-08-88
z~ Compactor Air Pressure psi 165 120 265 ' I -~~ Initial Moisture % I 7.6 7.6 7.6
u~ Moisture at Comoaction % 14 .8 I 16 .1 13.9
' ffi
Bri0uette Height in. 2.47 2.51 2.47 I ~ Density ocf 114. 3 112 . 8 117. 4 I I
EXUDATION PRESSURE psi 303 I 207 46 6 I
EXPANSION PRESSURE DIAL .00 15 I .0002 I .0021
' a: Pt, at 1000 PoUndS psi 34 I 46 I 32 I
...J w Ph at 20CX) pounds psi 82 I 116 79 I iii I-~~ Displacement turns I 3.60 3.61 I 3.42 I
"R" Value 40 21 43 I
CORRECTED "R" VALUE 40 21 43 I
"R" VALUE AT 300 PSI EXUDATION PRESSURE = __ 3_9 _____ _
GRAIN SIZE DISTRIBUTION
SIEVE AS RECEIVED AS TESTED
3
2¼ -----.
90
80
·-. ._._i,....-_. -· -,__:.::_::..~ =--t---:-: :_ __
-r--·• .. ----• t---•• t----l=i= t-: :__:t::=i: -::t=-:: --
2 I
1~ __ ,__ --.. -
1
¾ I
½
3;8
#4
#8 I I
w ::::,
...J
70
60
L-....--
. :.j.:· ---~ _t::=:-1---•
--: :L:..::: ... ·-
#16 ~50,..._ .. -------. ·-·--
#30 fr
#50 .....
·,--___
#100 40 ' ----I .. . :-· :!:t • -,.-. __.__ .::±I:
#200 I • i---
.05mm I
.005mm
. 001mm
30 -· --· . --. ----, ... __ ,_ __ ·-·-----· -~ :-:::::! • -...
LIQUID LIMIT '
PLASTIC LIMIT 20 -·---
PLASTICITY INDEX
SAND EQUIVALENT
o----·-
800 700
EXUDATION PRESSURE psi
SOUTHERN CALIFORNIA
BOIL 6 TESTING I INC.
·••a ••v■•DALa ■T•··T
■AN a1a110, CALlll'D.NIA ■■,■0
Pal omar Oaks II
BY RSH
JOB NO. 8821057
DATE 9-09-88
Plate No. 1
0
Grey, Fine to Mc u,um Sandy Clay
SAMPLE : 2, West Oa ks Way , Stati on 7 + 50 to 10 + 75
TEST SPECIMAN A : 8 C -1-_D E
DATE TESTED 9-08-88 I 9-08-88 9-08-88
z~ Compactor Air Pressure psi 175 100 250 w-Initial Moisture % 5.5 I 5.5 5.5 ~~ Moisture at Compaction % 14 .3 I 16.1 13.4 u~ ·-~ Ir BriQuette Height in. 2.39 2.55 2.46 (/J a:i 112 .1 119. 5 ~ Density pcf 115. 9
EXUDATION PRESSURE psi 374 263 494
EXPANSION PRESSURE DIAL .0025 I .002 0 .0053
' Ir Pti at 1<XX> pounds pa, 38 56 37 ...J w Ph at 2CX)() pounds psi 98 133 95 m ... ~~ Displacement turns 3.06 3.35 2.87
"R" Value 34 13 37
CORRECTED "R" VALUE 31 13 37
"R" VALUE AT 300 PSI EXUDATION PRESSURE = ---=-20=------
GRAIN
SIEVE AS
3
21/-~
2 I
1~
1
3, '• ½
¾
#4 I
SIZE DISTRIBUTION
RECEIVED AS TESTED
w ::J ....J
80
70
#8 I
~16 ~ 50
::30
#50
#100
#200
.05mm
.005mm
.001mm
LIQUID LIMIT
PLASTIC LIMIT
PLASTICITY INDEX
SANO EQUIVALENT
a:
40
30
20
0 .........
800
SOUTHERN CALIFORNIA
SOIL & TESTING , INC. ·••o ••v■•aAL■ ·T•■■T
•a11t Cl■CIC, CALl"C•11t1A ■■1 ■0
___ ....,..=:
700
BY
·--♦--i------··-
t-----:-·-: :-: : L---L--~ ~
·-~. ·--i------t::::: . -·-----· -----
. 1-------
-· ·-·--·-1--·-~--~"--·---·---~--=--·-·-··-··--
--.-.. •-·--·· ·--•P. ......,.------
. :·::: i-!::::: ~-_,. -~,--t---~---~ -~ --.. ··-1.......-..--_..__ --
----• ~----• .:JI ... _ -~-t.:::.. :-:-~---·---·--· ~
~ ---~----·--·
•-t-•
-· · --t1r: Lt::: I-; !-.i: •. _:._.,:-· ~r=i=: ,.. __ -:.-;:
6 ICl . 500 400 3t~ 2 AJ
EXUDATION PRESSURE psi
Palomar Oaks II
-
100
RSH DATE 9-09-88
.._
.._
0
JOB NO. 882 1057 Plate No. 2
Light Bro wn, Silt w1l.11 Clay Binder
SAMPLE : 3, West Oaks Way , St ation 10 + 75 to 16 + 87.67
TEST SPECIMAN A B C D E
DATE TESTED 9-08-88 9-08-88 9-08-88 z Compactor Air Pressure psi 150 225 80 zo ---w-Initial Moisture % 9.0 9.0 9.0 ~~ Moisture at Compaction % 15.4 14 .5 17 .2 c3 s.2 'i BriQuette Height in. 2.52 2.49 2.54 if Density pct 113.6 116 .4 109.9
EXUDATION PRESSURE psi 299 398 147
EXPANSION PRESSURE DIAL .0009 .0011 I .0002
' a: ~ at 1000 pounds pei 49 47 I 59
..JW Ph at 2CXXl pounds psi 120 111 135 m~ ~~ Displacement turns 3.32 3.09 I 3. 77
"R" Value 20 26 11
CORRECTED "R" VALUE 20 ?6 11
"R" VALUE AT 300 PSI EXUDATION PRESSURE = __ 2~0~----
GRAIN SIZE DISTRIBUTION 90
SIEVE AS RECEIVED AS TESTED
3
~ 80
2 ,~
1 70_
~,
½
3/e I
::4 w ::::r ..J #8
#16 I ~so
:t30 I fl:
#SO
#100 40
#200
.OSmm
. OOSmm 30
.001mm
LIQUID LIMIT
PLASTIC LIMIT 20
PLASTICITY INDEX ·~ -
SAND EQUIVALENT 10
0 800
SOUTHERN CALIFORNIA
BOIL & TESTING, INC. ·••a ••v■•DAL■ ■T•■■T ■AN 01■1a0 , CALI .. D•NIA ■■1 ■0
0---~-
-,...._.. ..
•-I---• . ...,...
_.......____
--·-....... -
-. --·-.--------·-··-.. . --~ ----r---
t-· .. __ .,_ __
. i.:.:~ :· ~ -=...:~l'liLT.: .-----1-+• .
--·· -.... -
--
H !" •-•----. ~•--r-,--•t ►-• ~ -r ·r--~t
--' -➔.I.;::: t:-.. . -: ~.t::=:: ':::::-. -:::::--...... t-r. ... r-:::::: ~ .... •·•-........ ,-......, ·•.-r
700 6 U 500 400 ;jW .O:W 1 l] 0
EXUDATION PRESSURE psi
Palomar Oaks II
BY RSH DATE 9-09-88
JOB NO. 882 105 7 Pl ate No. 3