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diff --git a/Principles_Of_Geotechnical_Engineering_by_B_M_Das/8-seepage.ipynb b/Principles_Of_Geotechnical_Engineering_by_B_M_Das/8-seepage.ipynb new file mode 100644 index 0000000..99bf4d9 --- /dev/null +++ b/Principles_Of_Geotechnical_Engineering_by_B_M_Das/8-seepage.ipynb @@ -0,0 +1,200 @@ +{ +"cells": [ + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "# Chapter 8: seepage" + ] + }, +{ + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Example 8.1: solved.sce" + ] + }, + { +"cell_type": "code", + "execution_count": null, + "metadata": { + "collapsed": true + }, + "outputs": [], +"source": [ +"clc\n", +"//initialisation of variables\n", +"H1= 12 //in\n", +"H2= 20 //in\n", +"z= 8 //in\n", +"h1= 24 //in\n", +"h= 20 //in\n", +"k1= 0.026 //in/sec\n", +"D= 3 //in\n", +"//calculations\n", +"k2= H2*k1/((z/(1-h/h1))-H1)\n", +"i= h1/(H1+H2)\n", +"A= %pi/4*D^2\n", +"keq= (H1+H2)/((H1/k1)+(H2/k2))\n", +"q= keq*A*i*3600\n", +"//results\n", +"printf ('rate of water flow = % 2f in^3/hr ',q)" + ] + } +, +{ + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Example 8.2: solved.sce" + ] + }, + { +"cell_type": "code", + "execution_count": null, + "metadata": { + "collapsed": true + }, + "outputs": [], +"source": [ +"clc\n", +"//initialisation of variables\n", +"Nd= 6\n", +"H1= 5.6 //m\n", +"H2= 2.2 //m\n", +"k= 5e-5 //cm/sec\n", +"dL= 4.1 //m\n", +"//calculations\n", +"H= (H1-H2)/Nd\n", +"h1= 5.61-H\n", +"h2= 5.61-5*H\n", +"q= 2.38*(H1-H2)*k/Nd\n", +"i= H/dL\n", +"//results\n", +"printf ('at point a,water will rise to height of = % 3f m ',h1)\n", +"printf ('at point b,water will rise to height of = % 3f m ',h2)\n", +"printf ('total rate of seepage per unit lenghth = %e m^3/sec/m ',q)\n", +"printf ('average hydraulic gradient at c = % 3f ',i)" + ] + } +, +{ + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Example 8.3: solved.sce" + ] + }, + { +"cell_type": "code", + "execution_count": null, + "metadata": { + "collapsed": true + }, + "outputs": [], +"source": [ +"clc\n", +"//initialisation of variables\n", +"k1= 5.67 //ft/day\n", +"k2= 11.34 //ft/day\n", +"//from graph\n", +"Nd= 8\n", +"Nf= 2.5\n", +"H= 20\n", +"//calculations\n", +"q= sqrt(k1*k2)*H*Nf/Nd\n", +"//results\n", +"printf ('average rate of flow = % 2f ft^3/day/ft ',q)" + ] + } +, +{ + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Example 8.4: solved.sce" + ] + }, + { +"cell_type": "code", + "execution_count": null, + "metadata": { + "collapsed": true + }, + "outputs": [], +"source": [ +"clc\n", +"//initialisation of variables\n", +"B= 6 //m\n", +"L= 120 //m\n", +"s= 3 //m\n", +"T= 6 //m\n", +"x= 2.4 //m\n", +"H= 5 //m\n", +"k= 0.008 //cm/sec\n", +"//calculations\n", +"b=B/2\n", +"a1= b/T\n", +"a2= s/T\n", +"a3= x/b\n", +"Q= 0.378*k*H*L*36*24\n", +"//results\n", +"printf ('seepage under the dam = % 2f m^3/day ',Q)" + ] + } +, +{ + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Example 8.5: solved.sce" + ] + }, + { +"cell_type": "code", + "execution_count": null, + "metadata": { + "collapsed": true + }, + "outputs": [], +"source": [ +"clc\n", +"//initialisation of variables\n", +"b= %pi/4 //degrees\n", +"a= %pi/6.//degrees\n", +"B= 10 //ft\n", +"H= 20 //ft\n", +"h= 25 //ft\n", +"k= 2e-4 //ft/min\n", +"//calculations\n", +"r= H/tan(b)\n", +"d= 0.3*r+(h-H)/tan(b)+B+h/tan(a)\n", +"L= d/cos(a)-sqrt((d/cos(a))^2-(H/sin(a))^2)\n", +"q= k*L*tan(a)*sin(a)*24*60\n", +"//results\n", +"printf ('seepage rate = % 4f ft^3/day/ft ',q)" + ] + } +], +"metadata": { + "kernelspec": { + "display_name": "Scilab", + "language": "scilab", + "name": "scilab" + }, + "language_info": { + "file_extension": ".sce", + "help_links": [ + { + "text": "MetaKernel Magics", + "url": "https://github.com/calysto/metakernel/blob/master/metakernel/magics/README.md" + } + ], + "mimetype": "text/x-octave", + "name": "scilab", + "version": "0.7.1" + } + }, + "nbformat": 4, + "nbformat_minor": 0 +} |