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+{
+"cells": [
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "# Chapter 11: RIVETED JOINTS"
+ ]
+ },
+{
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example 11.1: RJ1.sce"
+ ]
+ },
+ {
+"cell_type": "code",
+ "execution_count": null,
+ "metadata": {
+ "collapsed": true
+ },
+ "outputs": [],
+"source": [
+"// sum 11-1\n",
+"clc;\n",
+"clear;\n",
+"t=20;\n",
+"p=100;\n",
+"d=25;\n",
+"sigt=40;\n",
+"P=(p-d)*t*sigt;\n",
+"Ts=(4*P)/(%pi*d^2);\n",
+"sigb=P/(d*t);\n",
+"\n",
+" // printing data in scilab o/p window\n",
+" printf('P is %0.0f N ',P);\n",
+" printf('\n Ts is %0.2f MPa ',Ts);\n",
+" printf('\n sigb is %0.0f MPa ',sigb);"
+ ]
+ }
+,
+{
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example 11.2: RJ2.sce"
+ ]
+ },
+ {
+"cell_type": "code",
+ "execution_count": null,
+ "metadata": {
+ "collapsed": true
+ },
+ "outputs": [],
+"source": [
+"// sum 11-2\n",
+"clc;\n",
+"clear;\n",
+"t=22;\n",
+"t1=5*t/8;\n",
+"d=30;\n",
+"p=100;\n",
+"sigt=75;\n",
+"P=(p-d)*t*sigt;\n",
+"Ts=(2*P)/(%pi*d^2);\n",
+"sigb=P/(d*t);\n",
+"P=P*10^-3\n",
+" // printing data in scilab o/p window\n",
+" printf('P is %0.1f kN ',P);\n",
+" printf('\n Ts is %0.1f MPa ',Ts);\n",
+" printf('\n sigb is %0.0f N/mm^2 ',sigb);"
+ ]
+ }
+,
+{
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example 11.3: RJ3.sce"
+ ]
+ },
+ {
+"cell_type": "code",
+ "execution_count": null,
+ "metadata": {
+ "collapsed": true
+ },
+ "outputs": [],
+"source": [
+"//sum 11-3\n",
+"clc;\n",
+"clear;\n",
+"t=15;\n",
+"t1=5*t/8;\n",
+"d=25;\n",
+"n=2;\n",
+"Ta=80;\n",
+"sigta=100;\n",
+"sigba=120;\n",
+"Ps=n*1.875*%pi*d^2*Ta/4;\n",
+"Pb=n*d*t*sigba;\n",
+"p=Pb/(t*Ta)+d;\n",
+"Pp=p*t*Ta;\n",
+"n=Pb/Pp;\n",
+"\n",
+"\n",
+" // printing data in scilab o/p window\n",
+" printf('p is %0.0f mm ',p);\n",
+" printf('\n n is %0.2f ',n);\n",
+" "
+ ]
+ }
+,
+{
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example 11.4: RJ4.sce"
+ ]
+ },
+ {
+"cell_type": "code",
+ "execution_count": null,
+ "metadata": {
+ "collapsed": true
+ },
+ "outputs": [],
+"source": [
+"// sum 11-4\n",
+"clc;\n",
+"clear;\n",
+"b=200;\n",
+"t=16;\n",
+"d=6*sqrt(t);\n",
+"sigta=80;\n",
+"Ta=60;\n",
+"sigba=100;\n",
+"Pt=(b-d)*t*sigta;\n",
+"Ps=1.875*%pi*d^2*Ta/4;\n",
+"Pb=d*t*sigba;\n",
+"n1=Pt/Pb;\n",
+"n1=6;\n",
+"Pt2=((b-(2*d))*t*sigta)+Pb;\n",
+"Pt3=((b-(3*d))*t*sigta)+(3*Pb);\n",
+"Pp=b*t*sigta;\n",
+"n2=Pt/Pp;\n",
+"n2=n2*100;\n",
+"\n",
+" // printing data in scilab o/p window\n",
+" printf('d is %0.0f mm ',d);\n",
+" printf('\n n1 is %0.0f ',n1);\n",
+" printf('\n Pt is %0.0f N ',Pt);\n",
+" printf('\n Pt2 is %0.0f N ',Pt2);\n",
+" printf('\n Pt3 is %0.0f N ',Pt3);\n",
+" printf('\n n2 is %0.0f ',n2);\n",
+" \n",
+" //Answer to strength of rivet in bearing 'Pb' is calculated incorrectly in the book, hence Pt2,Pt3 is calculated subsequently incorrect."
+ ]
+ }
+,
+{
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example 11.5: RJ5.sce"
+ ]
+ },
+ {
+"cell_type": "code",
+ "execution_count": null,
+ "metadata": {
+ "collapsed": true
+ },
+ "outputs": [],
+"source": [
+"// sum 11-5\n",
+"clc;\n",
+"clear;\n",
+"a=50;\n",
+"b=75;\n",
+"P=36*10^3;\n",
+"d=24;\n",
+"Ta=60;\n",
+"n=9;\n",
+"A=%pi*d^2/4;\n",
+"Td=P/(n*A);\n",
+"theta=atan(b/a);\n",
+"Ts=54.64;\n",
+"r2=90.184;\n",
+"e=A*29575.7/P;\n",
+"\n",
+" // printing data in scilab o/p window\n",
+" printf(' e is %0.1f mm ',e);"
+ ]
+ }
+,
+{
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example 11.6: RJ6.sce"
+ ]
+ },
+ {
+"cell_type": "code",
+ "execution_count": null,
+ "metadata": {
+ "collapsed": true
+ },
+ "outputs": [],
+"source": [
+"// sum 11-6\n",
+"clc;\n",
+"clear;\n",
+"P=12*10^3;\n",
+"Tmax=100;\n",
+"n=6;\n",
+"e=50+50+(5/2);\n",
+"T=P*e;\n",
+"Td=P/n;\n",
+"ra=125;\n",
+"k=T/((2*125^2)+(2*75^2)+(2*25^2));\n",
+"Tr=(k*ra)+Td;\n",
+"A=Tr/Tmax;\n",
+"d=sqrt(A*4/%pi);\n",
+"d=12;\n",
+"\n",
+" // printing data in scilab o/p window\n",
+" printf(' d is %0.0f mm ',d);"
+ ]
+ }
+,
+{
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example 11.7: RJ7.sce"
+ ]
+ },
+ {
+"cell_type": "code",
+ "execution_count": null,
+ "metadata": {
+ "collapsed": true
+ },
+ "outputs": [],
+"source": [
+"// sum 11-7\n",
+"clc;\n",
+"clear;\n",
+"t=15;\n",
+"d=6*sqrt(t);\n",
+"d=24;\n",
+"sigta=75;\n",
+"sigba=105;\n",
+"Ta=60;\n",
+"n=4;\n",
+"Pt=n*%pi*d^2*Ta/4;\n",
+"x=d*t*sigta;\n",
+"y=2*t*sigta;\n",
+"p=(Pt+x)/y;\n",
+"p=60;\n",
+"C=4.17;\n",
+"pmax=(C*t)+41.28;\n",
+"Pt1=(y*p)-x;\n",
+"Ps=n*%pi*d^2*Ta/4;\n",
+"Pb=n*d*t*sigba;\n",
+"S=2*p*t*sigta;\n",
+"n=Pt1/S;\n",
+"n=n*100;\n",
+"\n",
+" // printing data in scilab o/p window\n",
+" printf(' n is %0.0f ',n);\n",
+" "
+ ]
+ }
+,
+{
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example 11.8: RJ8.sce"
+ ]
+ },
+ {
+"cell_type": "code",
+ "execution_count": null,
+ "metadata": {
+ "collapsed": true
+ },
+ "outputs": [],
+"source": [
+"// sum 11-8\n",
+"clc;\n",
+"clear;\n",
+"D=1500;\n",
+"p=2;\n",
+"nt=0.75;\n",
+"sigut=420;\n",
+"FOS=5;\n",
+"sigta=sigut/FOS;\n",
+"t=p*D/(2*sigta*nt);\n",
+"t=24;\n",
+"d=6*sqrt(t);\n",
+"d=30;\n",
+"Ta=330/5;\n",
+"sigba=640/5;\n",
+"Ps=2*1.875*%pi*(d^2)*Ta/4;\n",
+"p=(Ps/(t*sigta))+d;\n",
+"p=117;\n",
+"t1=5*t/8;\n",
+"Pt=(p-d)*t*sigta;\n",
+"Pp=p*t*sigta;\n",
+"Pb=2*d*t*sigba;\n",
+"n=Ps/Pb;\n",
+"n=n*100;\n",
+"\n",
+" // printing data in scilab o/p window\n",
+" printf(' n is %0.0f ',n);"
+ ]
+ }
+,
+{
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example 11.9: RJ9.sce"
+ ]
+ },
+ {
+"cell_type": "code",
+ "execution_count": null,
+ "metadata": {
+ "collapsed": true
+ },
+ "outputs": [],
+"source": [
+"// sum 11-9\n",
+"clc;\n",
+"clear;\n",
+"D=1200;\n",
+"p=2.5;\n",
+"sigba=110;\n",
+"Pa=%pi*D^2*p/4;\n",
+"nt=0.8;\n",
+"sigta=80;\n",
+"t=p*D/(2*sigta*nt);\n",
+"t=24;\n",
+"d=6*sqrt(t);\n",
+"d=30;\n",
+"Ta=55;\n",
+"Ps=%pi*(d^2)*Ta/4;\n",
+"Np=Pa/Ps;\n",
+"Np=74;\n",
+"nr=Np/2;\n",
+"p=%pi*(D+t)/nr;\n",
+"pb=2*d;\n",
+"m=1.5*d;\n",
+"Pt=(p-d)*t*sigta;\n",
+"Ps=2*Ps;\n",
+"Pb=2*d*t*sigba;\n",
+"Pp=p*t*sigta;\n",
+"n=Ps/Pp;\n",
+"n=n*100;\n",
+"\n",
+" // printing data in scilab o/p window\n",
+" printf(' n is %0.0f ',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
+}
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