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diff --git a/Principles_Of_Foundation_Engineering/Chapter01_2.ipynb b/Principles_Of_Foundation_Engineering/Chapter01_2.ipynb new file mode 100755 index 00000000..61dc3457 --- /dev/null +++ b/Principles_Of_Foundation_Engineering/Chapter01_2.ipynb @@ -0,0 +1,249 @@ +{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:3f5444f542f0d6a3b857b61fbecdc4e8047247ed8828d4cea5a34f91ccdf5eb3"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter 1:Geotechnical Properties of Soil"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Ex1.1:Pg-10"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#example 1.1\n",
+ "\n",
+ "V=0.25; # ft^3\n",
+ "W=30.8; #lb\n",
+ "Wd=28.2; # weight dried lb\n",
+ "Gs=2.7;\n",
+ "Gammaw=62.4; #lb/ft^3\n",
+ "Gamma=W/V;\n",
+ "print Gamma,\" is moist unit weight in lb/ft^3\"\n",
+ "w=(W-Wd)/W;\n",
+ "print round(w*100,2),\"is moisture content in %\"\n",
+ "Gammad=Wd/V;\n",
+ "print Gammad, \"is dry unit weight in lb/ft^3\"\n",
+ "Vs=Wd/Gs/Gammaw;\n",
+ "Vv=V-Vs;\n",
+ "e=Vv/Vs;\n",
+ "print round(e,3),\" is void ratio\"\n",
+ "n=e/(1+e);\n",
+ "print round(n,2),\"is porosity\"\n",
+ "Vw=(W-Wd)/Gammaw;\n",
+ "S=Vw/Vv;\n",
+ "print round(S*100,2),\"is saturation in %\"\n",
+ "\n",
+ "# The answers in the book are different due to approximation while here calculations are precise\n",
+ "\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "123.2 is moist unit weight in lb/ft^3\n",
+ "8.44 is moisture content in %\n",
+ "112.8 is dry unit weight in lb/ft^3\n",
+ "0.494 is void ratio\n",
+ "0.33 is porosity\n",
+ "50.43 is saturation in %\n"
+ ]
+ }
+ ],
+ "prompt_number": 9
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Ex1.2:Pg-11"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#example 1.2\n",
+ "\n",
+ "e=0.72;\n",
+ "w=12.0/100; #moisture content\n",
+ "Gs=2.72;\n",
+ "Gammaw=9.81;#kN/m^3\n",
+ "Gammad=Gs*Gammaw/(1+e);\n",
+ "print round(Gammad,2),\"= dry unit weight in kN/m^3\"\n",
+ "Gamma=Gs*Gammaw*(1+w)/(1+e);\n",
+ "print round(Gamma,2),\" = moist unit weight in kN/m^3\"\n",
+ "Gammasat=(Gs+e)*Gammaw/(1+e);\n",
+ "wa=Gammasat-Gamma;#water added\n",
+ "print round(wa,2),\" = water added in kN/m^3\"\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "15.51 = dry unit weight in kN/m^3\n",
+ "17.38 = moist unit weight in kN/m^3\n",
+ "2.24 = water added in kN/m^3\n"
+ ]
+ }
+ ],
+ "prompt_number": 12
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Ex1.3:Pg-12"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#example 1.3\n",
+ "from scipy.optimize import fsolve\n",
+ "gmax=17.1; # Gammadmax\n",
+ "Dr=0.7;\n",
+ "w=8.0/100;#moisture content\n",
+ "gmin=14.2; #Gammadmin\n",
+ "def f(x):\n",
+ " return (x-14.2)/(17.1-14.2)*17.1/x-0.7 \n",
+ "x=fsolve(f,16);#solving for gammad\n",
+ "Gamma=x[0]*(1+w);\n",
+ "print round(Gamma,2),\"moist unit weight in kN/m^3\"\n",
+ "\n",
+ "\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "17.4 moist unit weight in kN/m^3\n"
+ ]
+ }
+ ],
+ "prompt_number": 14
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Ex1.7:Pg-38"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#example 1.7\n",
+ "import math\n",
+ "#part (a)\n",
+ "e1=0.92;\n",
+ "e2=0.86;\n",
+ "Hc=2.8; # in m\n",
+ "s2=212.0;#sigma2dash Load in kN/m2\n",
+ "s1=140.0;#sigma1dash Load in kN/m2\n",
+ "Cc=(e1-e2)/math.log10(s2/s1);\n",
+ "Sc=Cc*Hc/(1+e1)*math.log10(s2/s1);\n",
+ "print Sc*1000,\"consolidated depth in mm\"\n",
+ "#part (b)\n",
+ "# from Figure (1.21):\n",
+ "Sct=40.0;# in mm\n",
+ "T50=0.197;\n",
+ "t=4.5; # in MIN\n",
+ "Cr=T50*12.7**2.0/t;\n",
+ "U=Sct/Sc*100.0/1000;\n",
+ "H=Hc/2;\n",
+ "Tv=math.pi/4*U**2.0/100**2;\n",
+ "t=Tv*H**2.0/Cr*1000.0**2/60.0/24;\n",
+ "print round(t,1),\" is time required in days\"\n",
+ "\n",
+ "\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "87.5 consolidated depth in mm\n",
+ "31.6 is time required in days\n"
+ ]
+ }
+ ],
+ "prompt_number": 27
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Ex1.8:Pg-42"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#example 1.8\n",
+ "\n",
+ "Cv=7.061; # in mm^2/min\n",
+ "tc=15*24*60.0;\n",
+ "H=2.8/2*1000.0;\n",
+ "Scmax=87.5; # consolidation\n",
+ "Tc=Cv*tc/H**2;\n",
+ "tv=31.6*24*60;\n",
+ "Tv=Cv*tv/H**2;\n",
+ "#from figure 1.28\n",
+ "Sct=Scmax*0.36;\n",
+ "print Sct,\"is consolidation in 31.6 days in mm\"\n",
+ "\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "31.5 is consolidation in 31.6 days in mm\n"
+ ]
+ }
+ ],
+ "prompt_number": 28
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
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