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+{
+"cells": [
+ {
+		   "cell_type": "markdown",
+	   "metadata": {},
+	   "source": [
+       "# Chapter 6: Mat Foundations"
+	   ]
+	},
+{
+		   "cell_type": "markdown",
+		   "metadata": {},
+		   "source": [
+			"## Example 6.1: 1.sce"
+		   ]
+		  },
+  {
+"cell_type": "code",
+	   "execution_count": null,
+	   "metadata": {
+	    "collapsed": true
+	   },
+	   "outputs": [],
+"source": [
+"//example 6.1\n",
+"clc; funcprot(0);\n",
+"B=30;\n",
+"L=45;\n",
+"Df=6.5;\n",
+"cu=1950;\n",
+"qunet=5.14*cu*(1+0.195*B/L)*(1+0.4*Df/B);\n",
+"disp(qunet,'allowed force in lb/ft^2');\n",
+"\n",
+""
+   ]
+   }
+,
+{
+		   "cell_type": "markdown",
+		   "metadata": {},
+		   "source": [
+			"## Example 6.2: 2.sce"
+		   ]
+		  },
+  {
+"cell_type": "code",
+	   "execution_count": null,
+	   "metadata": {
+	    "collapsed": true
+	   },
+	   "outputs": [],
+"source": [
+"//example 6.2\n",
+"clc; funcprot(0);\n",
+"N60=10;\n",
+"Df=2;\n",
+"B=10;\n",
+"Se=25;\n",
+"qnetall=N60/0.08*(1+0.33*Df/B)*Se/25;\n",
+"disp(qnetall,'allowed pressure in kN/m^2');\n",
+""
+   ]
+   }
+,
+{
+		   "cell_type": "markdown",
+		   "metadata": {},
+		   "source": [
+			"## Example 6.3: 3.sce"
+		   ]
+		  },
+  {
+"cell_type": "code",
+	   "execution_count": null,
+	   "metadata": {
+	    "collapsed": true
+	   },
+	   "outputs": [],
+"source": [
+"//example 6.3\n",
+"clc; funcprot(0);\n",
+"cu=2800;\n",
+"B=60;\n",
+"L=100;\n",
+"Df=5;\n",
+"B=60;\n",
+"Gamma=120;\n",
+"A=60*100;\n",
+"Q=25e6;\n",
+"FS=5.14*cu*(1+0.195*B/L)*(1+0.4*Df/B)/(Q/A-Gamma*Df);\n",
+"disp(FS,'factor of safety');\n",
+""
+   ]
+   }
+,
+{
+		   "cell_type": "markdown",
+		   "metadata": {},
+		   "source": [
+			"## Example 6.4: 4.sce"
+		   ]
+		  },
+  {
+"cell_type": "code",
+	   "execution_count": null,
+	   "metadata": {
+	    "collapsed": true
+	   },
+	   "outputs": [],
+"source": [
+"//example 6.4\n",
+"clc; funcprot(0);\n",
+"Cc=0.28;\n",
+"Hc=18*12;\n",
+"e0=0.9;\n",
+"sigmao=11*100+40*(121.5-64)+18/2*(118-62.4);\n",
+"H2=5+40+18;\n",
+"H1=5+40;\n",
+"qo=3567;\n",
+"//from table\n",
+"IaH2=0.21;\n",
+"IaH1=0.225;\n",
+"Dsigma=qo*((H2*IaH2-H1*IaH1)/(H2-H1))*4;\n",
+"Scp=Cc*Hc/(1+e0)*log10(sigmao/sigmao+Dsigma/sigmao);\n",
+"disp(Scp,'settlement in inches');\n",
+""
+   ]
+   }
+,
+{
+		   "cell_type": "markdown",
+		   "metadata": {},
+		   "source": [
+			"## Example 6.5: 5.sce"
+		   ]
+		  },
+  {
+"cell_type": "code",
+	   "execution_count": null,
+	   "metadata": {
+	    "collapsed": true
+	   },
+	   "outputs": [],
+"source": [
+"//example 6.5\n",
+"clc; funcprot(0);\n",
+"P=['A','B','C','D','E','F','G','H','I','J','K','L','M','N'];//point\n",
+"k=1.2*ones(1,14);//Q/A\n",
+"x=[-38,-24, -12, 0, 12, 24, 38, 38, 24, 12, 0, -12, -24, -38];\n",
+"x1=0.0017*x;\n",
+"y=[48,48,48,48,48,48,48, -48, -48, -48, -48, -48, -48, -48];\n",
+"y1=-0.0011*y;\n",
+"printf('point\t Q\A (kip/ft^2)\t x(ft)\t 0.0017x(ft)\t\t y(ft)\t 0.0011y(ft)\t q(kip/ft^2)\n')\n",
+"for i=1:14\n",
+"    q(i)=1.2+x1(i)+y1(i);\n",
+"    printf('%s\t %.2f\t\t %.2f\t\t%.2f\t\t %.2f\t %.2f\t\t %.2f\n ',P(i),k(i),x(i),x1(i),y(i),y1(i),q(i))\n",
+"end\n",
+"printf('the soil pressure at all point is less than the given qallnet=1.5 kip/ft^2');\n",
+"\n",
+""
+   ]
+   }
+,
+{
+		   "cell_type": "markdown",
+		   "metadata": {},
+		   "source": [
+			"## Example 6.6: 6.sce"
+		   ]
+		  },
+  {
+"cell_type": "code",
+	   "execution_count": null,
+	   "metadata": {
+	    "collapsed": true
+	   },
+	   "outputs": [],
+"source": [
+"//example 6.6\n",
+"clc; funcprot(0);\n",
+"//solving for d\n",
+"deff('y=f(d)','y=(96+2*d)*d-2615.1');\n",
+"[x]=fsolve(19,f);\n",
+"d1=x;\n",
+"deff('y=f(d)','y=(96+4*d)*d-6046.4');\n",
+"[x]=fsolve(28,f);\n",
+"d2=x;\n",
+"d=max(d2,d1);\n",
+"d=round(d)\n",
+"//now coming to design part\n",
+"h=d+3+1;\n",
+"disp(h,'total slab thickness in inches');\n",
+"qa=1.082;\n",
+"qb=1.106;\n",
+"qm=1.212;\n",
+"qn=1.188;\n",
+"q1A=qa/2+qb/2;\n",
+"disp(q1A,'force in strip ABMN in kip/ft^2');\n",
+"q2A=qm/2+qn/2;\n",
+"disp(q2A,'force in strip ABMN in kip/ft^2');\n",
+"q1=1.106/3+1.127/3+1.147/3;\n",
+"disp(q1,'force in strip BCDKLM in kip/ft^2');\n",
+"q2=1.253/3+1.233/3+1.212/3;\n",
+"disp(q2,'force in strip BCDKLM in kip/ft^2');\n",
+"q1=1.147/3+1.167/3+1.188/3;\n",
+"disp(q1,'force in strip DEFIJK in kip/ft^2');\n",
+"q2=1.294/3+1.273/3+1.253/3;\n",
+"disp(q2,'force in strip DEFIJK in kip/ft^2');\n",
+"q1=1.188/2+1.212/2;\n",
+"disp(q1,'force in strip FGHI in kip/ft^2');\n",
+"q2=1.318/2+1.294/2;\n",
+"disp(q2,'force in strip FGHI in kip/ft^2');\n",
+"//checking for force\n",
+"//net soil reaction <load \n",
+"netforce=1/2*(1.094+1.2)*14*96+1/2*(1.127+1.233)*24*96+1/2*(1.167+1.273)*24*96+1/2*(1.2+1.306)*14*96;\n",
+"if netforce<8761 then\n",
+"    disp('forces generated is OK')\n",
+"end\n",
+"//checking for reinforcement requirement\n",
+"Q1=1.4*180+1.7*120;\n",
+"Q2=1.4*360+1.7*200;\n",
+"Q3=1.4*400+1.7*240;\n",
+"Q4=1.4*180+1.7*120;\n",
+"//solving for a\n",
+"deff('y=f(a)','y=0.9*0.51*a*60*(29-a/2)-95.05*12');\n",
+"[x]=fsolve(1.4,f);\n",
+"a=x;\n",
+"As=0.51*a\n",
+"fy=60000;\n",
+"disp(As,'required area in in^2');\n",
+"Asmin=200/fy*12*29;\n",
+"disp(Asmin,'minimum reinforcement required in^2/ft');\n",
+"printf('use No 9 bars at 10 inch centre to centre')\n",
+""
+   ]
+   }
+],
+"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
+}