Retaining Wall Calculation

1. UnreUs
taidaUn
R
Unrestrained Conrete Retaining Wall (RETAINED HEIGH T = 1'-6") (cont)
CgWgPjHGgAog6H6WHG=AR(jgGW6 7&(PA'AUAIWAWlH1(A6WPHcA(IAD'NN8
T(APg6H6WAWlgA(1gPW-PGHG=Aj(jgGW.APg6H6WHG=Aj(jgGW6A1'-6gEA,)AWlgAEg'EAN('E6AHGAWlgA6)6WgjA'PgA
1(G6HEgPgErAATlg6gAEg'EAN('E6A'PgA1'N1-N'WgEA'6A-G<PgE-1gEAN('E6ADlH1lA'PgAWlgGA1(jc'PgEADHWlA
WlgA'NN(D',NgAI'1W(PA(IA6'IgW)A(IAUrnA+gPAieUtA ' AU?esrirtr
/NgjgGW *gH=lW og6H6WHG=AR(jgGW
*'NN ≔W
W =⋅⋅⋅γ
c1⎛⎝+H
rL
e
⎞⎠T
wra s ≔M
%$ =⋅W
W
⎛⎝L
t
⎞⎠rattt D
&((WHG= ≔W
F =⋅⋅⋅γ
c1⎛⎝+L
hL
t
⎞⎠T
fratnt ≔M
%i =⋅W
F
⎛⎝⋅ras⎛⎝+L
tL
h
⎞⎠⎞⎠ratG D
%(HNA0,1A2g'N≔W
H =⋅⋅γ
s1⎛⎝+H
rL
e
⎞⎠⎛⎝−L
h DasT
w
⎞⎠ra t ≔M
%t =⋅W
H
⎛⎝+L
t ⋅L
has⎞⎠0⋅
%(HNA0,1AT(g ≔W
T =⋅⋅γ
s1⎛⎝L
e
⎞⎠⎛⎝−L
t⋅asT
w
⎞⎠rann ≔&"
R =++M
%$M
%iM
%t1 ⋅
WPor1 ≔&$ =+++W
WW
FW
HW
TraGr 
=――
&"
R
M
0
 asnt &'1W(PA(IA%'IgW)A@AUrnA 94∴
 lg1(AR'>Hj-jA%(HNA+Pg66-Pg
≔L
oPor1 =+L
hL
t as T(W'NA&((WHG=A)gG=Wl
U8ACgWgPjHGgAWlgAN(1'WH(GA'WADlH1lA
WlgA1(j,HGgEAEg'EAN('E6A'1W
≔L =――
&"
R
&$
na G
i8ACgWgPjHGgADlgPgAPg6-NW'GWA6(HNAI(P1gA'1W6A
≔e =――
M
0
&$
rasnt
≔a =−L eraHHH
=――
L
oPor1
3
radtt &PggA'(E)ACH'=P'jA'WAogW'HGHG=A*'NN
t8ATlgA%(HNAog6-NW'GWA&(P1gA'1W6AHGAWlgA
(-WgPAUatA(IAWlgAI(-GE'WH(G.A6(
≔P
-r6 =―――
⋅2&$
⋅⋅3a1
HHeart  R'>Hj-jA%(HNA+Pg66-PgA
BAUrnA(6IA 94∴
;(G< (jjgP1H'NA=6gA9GN)