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Notes: Legend
o
N
0 1.The locations of all features shown are approximate. Site Plan
2 2.This drawing is for information purposes. It is intended Boring Number and Approximate Location (GeoEngineers 2018) � h•
Mto assist in showing features discussed in an attached document. \—
N GeoEngineers,Inc.cannot guarantee the accuracy and content ,1� W ,�� I E
of electronic files. The master file is stored by GeoEngineers,Inc. *-4 /- Boring Number and Approximate Location (HGSI 2017) . SW Atlanta St. Storage Building
�
and will serve as the official record of this communication.
41110 T S Tigard, Oregon
8 Data Source:Base image from Otak.
A DCP Number and Approximate Location (HGSI 2017) 40 0 40
m Co Piezo Number and Approximate Location (HGSI 2017) ��.� G EO E N G I N E E R S Figure 2
."4 Projection:NAD 1983 StatePlane Oregon North FIPS 3601 Feet - }- Test Pit Number and Approximate Location (HGSI 2017) Feet
a
•
Cantilever Soldier Pile Conventional Soldier Pile Wall with One Level of Tiebacks Conventional Soldier Pile Wall with Multiple Levels of Tiebacks
Ground Surface Ground Surface Ground Surface 1-
'
- ►-T—��i17-7". 2H- ----- i - -={mit- -
ilk ,- 1,,
�_ H1Iliii. 1
•
Th1t 1 / .2H
t
35
H f- / �—
3
H la • H � H WI _
aNor
•-• Mg
60°
2(H Hi) 60°
3 ml
i
-717-72'
Baseof_�Excavation } Base of Excavation } IFF \ 1 �—
�� ► Base of Excavation i
"ice 2' A ---� -7 2
D 300 t D300 t D 300 t
1 1 1 H/4 1IIII= H/4
• umnl
300•D 35 60 300•DP=35•H 60 300•D P=24•H 60
E. psf psf psf f t psf �1 psf psf psf
psf f psf f
o L Y , L Y �J Y
Net Allowable Active Traffic Net Allowable Apparent Traffic Net Allowable Apparent Traffic
Passive Pressure Earth Surcharge Passive Pressure Earth Surcharge Passive Pressure Earth Surcharge
co
Pressure Pressure Pressure Pressure Pressure Pressure
0
0,
0
D
N
0
O
4
W
N
c
Co
0
m
a
1-
r
-
C
3
a
N
0
w Legend
oNo Load Zone
g H= Height of Excavation, Feet
O D= Soldier Pile Embedment Depth,Feet Not To Scale
Lo
C Notes:
CNI H Distance From Ground Surface to Earth Pressure Diagrams-
i 1. Active/apparent earth pressure and traffic surcharge pressure act over the 1 Uppermost Tieback,Feet
1 piie spacing above the base of the excavation. Temporary Shoring Wall
2. Passive earth pressure acts over 2.5 times the concreted diameter of the Thr Horizontal Load in Uppermost Ground Anchor
o soldier pile,or the pile spacing,whichever is less. SW Atlanta St. Stora e Bu i Id i n
• 3. Passive pressure includes a factor of safety of 1.5 _ Maximum Apparent Earth Pressure, g g
4. Additional surcharge from footings of adjacent buildings should be includedo
Pounds per Square Foot Tigard, Oregon
n accordance with recommendations provided on Figure 4. P
0 5. This pressure diagram is appropriate for temporary soldier pile and tieback 7-7
Design Groundwater Elevation for Drained Walls/
walls.If additional surcharge loading(such as from soil stockpiles, Passive Resistance Design
N G EO E N G I N E E RS Figure 3
excavators,dumptrucks,cranes,or concrete trucks)is anticipated,
NGeoEngineers should be consulted to provide revised surcharge pressures.
a
Uniform Surcharges,
Lateral Earth Pressure from Point Load, Qp Lateral Earth Pressure from Line Load, q (Floor Loads, Large Foundation
• (Spread Footing) QL (Continuous Wall Footing) Elements or Traffic Loads)
1 X=m H --_ X=m•H
• V q(psf)
QP i QL -A
Z=nH Z=nH 4
A PH A� PH
H H
VoHRoffR' Base of Excavation ' Base of Excavation Base of Excavation
GH t-"-- 0.27•q(psf)
For m<_0.4
For m<_0.4 For m>0.4 o'H =oCOS2(1.10) oH =0.2n•QL
off =0.28Qpn2 off = 1.77Qpm2n2 H(0.16+n2)2 off =Lateral Surcharge Pressure from
z 2 Uniform Surcharge
H2(0.16+n2)3H2(m2+n2)3 For m>0.4
off = 1.28m2nQL
H(m2+n2)2
m PH/QP/ R 'IL oResultant PH=0.64QL
t H
0.2 0.78 0.59H m a (m2+1)
8 QP
m 0.4 0.78 0.59H � S\ m R
a H
0 0.6 0.45 0.48H
0.1 0.60H
w
o X=m•H 0.3 0.60H
co0
0
o Section A-A' 0.5 0.56H
a
I' Pressures from Point Load Q,
P. 0.7 0.48H
0
a
0
m
a
C
3 Definitions:
g Qp = Point load in pounds
o QL= Line load in pounds/foot
m
of H = Excavation height below footing,feet
0
O off = Lateral earth pressure from surcharge,psf
0
0 q = Surcharge pressure in psf Not To Scale
a
cN
0 = Radians
o'H = Distribution of off in plan view Recommended Surcharge Pressure
O
% PH = Resultant lateral force acting on wall,pounds
0 Notes: R = Distance from base of excavation to resultant lateral force,feet SW Atlanta St. Storage Building
• o
1. Procedures for estimating surcharge pressures shown above X= Resultant lateral force acting on wall,pounds Tigard, Oregon
oare based on Manual 7.02 Naval Facilities Engineering
o., command,September 1986(NAVFAC DM 7.02). Z= Depth of off to be evaluated below the bottom of QP or QL
M 2. Lateral earth pressures from surcharge should be added to m = Ratio of X to H G EO E N G I N E E R S 0 Figure 4
mearth pressures presented on Figure 3.
3. See report text for where surcharge pressures are appropriate. n = Ratio of Z to H
a