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"worksheets": [
{
"cells": [
{
"cell_type": "heading",
"level": 1,
"metadata": {},
"source": [
"Chapter14-Lateral Earth Pressure: \n",
"Curved Failure Surface"
]
},
{
"cell_type": "heading",
"level": 1,
"metadata": {},
"source": [
"Ex1-497"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"import math\n",
"#a.Coulomb\u2019s theory\n",
"#b.Terzaghi and Peck\u2019s wedge theory\n",
"#c. Shields and Tolunay\u2019s solution (method of slices)\n",
"#d.Zhu and Qian\u2019s solution (method of triangular slices)\n",
"G=15.7\n",
"a=0.\n",
"b=15.\n",
"c=30.\n",
"H=3.\n",
"Kp=4.977 ## from table 13.9\n",
"Pp=Kp*G*H**2./2.\n",
"print'%s %.1f %s'%('a)the passive force = ',Pp,' kN/m')\n",
"## for part b\n",
"Kp=4.53\n",
"Pp=Kp*G*H**2./2.\n",
"print'%s %.1f %s'%(' b)the passive force = ',Pp,' kN/m')\n",
"## for part c\n",
"Kp=4.13\n",
"Pp=Kp*G*H**2/2.\n",
"print'%s %.1f %s'%(' c)the passive force =',Pp,' kN/m')\n",
"##for part d\n",
"Kp=4.56\n",
"Pp=Kp*G*H**2/2.\n",
"print'%s %.1f %s'%(' d)the passive force =',Pp,' kN/m')\n"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"a)the passive force = 351.6 kN/m\n",
" b)the passive force = 320.0 kN/m\n",
" c)the passive force = 291.8 kN/m\n",
" d)the passive force = 322.2 kN/m\n"
]
}
],
"prompt_number": 2
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Ex2-pg507"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"import math\n",
"#calculate the design strut loads.\n",
"G=16.\n",
"H=7.\n",
"c=30.\n",
"Ta=0.65*G*H*(math.tan(30./57.3))**2\n",
"A=Ta*3.*3./4.\n",
"B1=Ta*3.-54.61\n",
"C=Ta*4.*4./4.\n",
"B2=Ta*4.-97.08\n",
"s=2.\n",
"As=A*s\n",
"Bs=(B1+B2)*s\n",
"Cs=C*s\n",
"print'%s %.1f %s'%( 'The strut loads at level A = ',As,' kN')\n",
"print'%s %.1f %s'%( ' The strut loads at level B = ',Bs,' kN')\n",
"print'%s %.1f %s'%( ' The strut loads at level C =',Cs,' kN')\n"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"The strut loads at level A = 109.2 kN\n",
" The strut loads at level B = 36.3 kN\n",
" The strut loads at level C = 194.1 kN\n"
]
}
],
"prompt_number": 3
}
],
"metadata": {}
}
]
}
|
