initial commit / add all books

19 files changed, 454 insertions, 0 deletions

diff --git a/278/CH11/EX11.1/ex_11_1.sce b/278/CH11/EX11.1/ex_11_1.sce
new file mode 100755
index 000000000..90372fb80
--- /dev/null
+++ b/278/CH11/EX11.1/ex_11_1.sce
@@ -0,0 +1,10 @@
+//find safe tensile load

+clc

+//soltuion

+//given

+d=30//mm

+ft=42//N/mm^2

+//using table 11.1,area corresponding to d=30mm is A=561//N/mm^2

+A=561//mm^2

+F=A*ft//N

+printf("the value of force is,%f N",F)
\ No newline at end of file
diff --git a/278/CH11/EX11.10/ex_11_10.sce b/278/CH11/EX11.10/ex_11_10.sce
new file mode 100755
index 000000000..b99cd939c
--- /dev/null
+++ b/278/CH11/EX11.10/ex_11_10.sce
@@ -0,0 +1,17 @@
+//find size mild steel

+clc

+//solution

+//given

+p=0.84//N/mm^2

+ft=56//N/mm^2

+//ref fig 11.29

+//since pince is 350 mm,therfor area ia A

+A=350*350//mm^2

+P=A*p//N

+printf("the value of force acting is,%f N\n",P)

+//let dc be core diameter 

+pi=3.14

+//P=(pi/4)*dc^2*ft//N

+dc=sqrt((P*4)/(pi*ft))

+printf("the value of dc is,%f mm\n",dc)

+printf("the standard value of core diametr  is 49.177 mm fron T11.1")
\ No newline at end of file
diff --git a/278/CH11/EX11.11/ex_11_11.sce b/278/CH11/EX11.11/ex_11_11.sce
new file mode 100755
index 000000000..eca8e8e5a
--- /dev/null
+++ b/278/CH11/EX11.11/ex_11_11.sce
@@ -0,0 +1,7 @@
+//determine diameter of hole

+Do=48//mm

+//from table 11.1 ,core dia Do=48//mm,Dc=41.795//mm

+Do=48//mm

+Dc=41.795//mm

+D=sqrt(Do^2-Dc^2)//mm

+printf("the dia of bolt is,%f mm",D)

diff --git a/278/CH11/EX11.12/ex_11_12.sce b/278/CH11/EX11.12/ex_11_12.sce
new file mode 100755
index 000000000..b7180140a
--- /dev/null
+++ b/278/CH11/EX11.12/ex_11_12.sce
@@ -0,0 +1,22 @@
+//determine the size of bolts

+clc

+//solution

+//given

+//ref fig 11.31

+W=30000//N

+ft=60//N/mm^2

+L1=80//mm

+L2=250//mm

+L=500//mm

+Wt1=W/4//N

+printf("the value of Wt1 is,%f N\n",Wt1)

+w=(W*L)/(2*(L1^2+L2^2))//N/mm

+printf("the value of w is,%f N/mm\n",w)

+Wt2=w*L2//N

+printf("the value of Wt2 is,%f N\n",Wt2)

+Wt=Wt1+Wt2//N

+printf("the value of Wt is,%f N\n",Wt)

+pi=3.14

+//klet dc be coire dia

+dc=sqrt((Wt*4)/(pi*ft))//mm

+printf("the core diameter of bolt is,%f mm",dc)
\ No newline at end of file
diff --git a/278/CH11/EX11.13/ex_11_12.sce b/278/CH11/EX11.13/ex_11_12.sce
new file mode 100755
index 000000000..b7180140a
--- /dev/null
+++ b/278/CH11/EX11.13/ex_11_12.sce
@@ -0,0 +1,22 @@
+//determine the size of bolts

+clc

+//solution

+//given

+//ref fig 11.31

+W=30000//N

+ft=60//N/mm^2

+L1=80//mm

+L2=250//mm

+L=500//mm

+Wt1=W/4//N

+printf("the value of Wt1 is,%f N\n",Wt1)

+w=(W*L)/(2*(L1^2+L2^2))//N/mm

+printf("the value of w is,%f N/mm\n",w)

+Wt2=w*L2//N

+printf("the value of Wt2 is,%f N\n",Wt2)

+Wt=Wt1+Wt2//N

+printf("the value of Wt is,%f N\n",Wt)

+pi=3.14

+//klet dc be coire dia

+dc=sqrt((Wt*4)/(pi*ft))//mm

+printf("the core diameter of bolt is,%f mm",dc)
\ No newline at end of file
diff --git a/278/CH11/EX11.14/ex_11_14.sce b/278/CH11/EX11.14/ex_11_14.sce
new file mode 100755
index 000000000..85a20fa67
--- /dev/null
+++ b/278/CH11/EX11.14/ex_11_14.sce
@@ -0,0 +1,33 @@
+//find the size of the bolts

+clc

+//solution

+//given

+//ref fig 11.35

+W=12000//N

+L=400//mm

+L1=50//mm

+L2=375//mm

+ft=84//N/mm^2

+n=4

+Ws=W/n//shear load on each bolt

+Wt=0.5*[[W*L*L2]/[L1^2 +L2^2]]//N

+Wte=0.5*[Wt + sqrt(Wt^2 +4*(Ws)^2)]//N//equivalent tensile load

+//let dc be core dia

+pi=3.14

+//A=(pi/4)*dc^2*ft=66*dc^2

+dc=sqrt(Wte/66)//mm

+//let tabd b be thickness and depth of arm

+//Z=(1/6)*t*b^2

+M=W*L//N-mm

+Z=M/84//

+//asume b=250

+b=250//mm

+//Z=b^2*t/6

+t=(M*6)/(ft*b^2)

+printf("the value of core diameteris, %f mm\n",dc)

+printf("the standard value of core diametr  is 11.546 mm fron T11.1\n")

+printf("the value of equivalent tensile load is,%f N\n",Wte)

+printf("the value tensile load is,%f N\n",Wt)

+printf("the value of load actiung on each bolt is,%f N\n",Ws)

+printf("the moment acting is,%f N-mm\n",M)

+printf("the value of thickness is,%f mm",t)
\ No newline at end of file
diff --git a/278/CH11/EX11.15/ex_11_14.sce b/278/CH11/EX11.15/ex_11_14.sce
new file mode 100755
index 000000000..85a20fa67
--- /dev/null
+++ b/278/CH11/EX11.15/ex_11_14.sce
@@ -0,0 +1,33 @@
+//find the size of the bolts

+clc

+//solution

+//given

+//ref fig 11.35

+W=12000//N

+L=400//mm

+L1=50//mm

+L2=375//mm

+ft=84//N/mm^2

+n=4

+Ws=W/n//shear load on each bolt

+Wt=0.5*[[W*L*L2]/[L1^2 +L2^2]]//N

+Wte=0.5*[Wt + sqrt(Wt^2 +4*(Ws)^2)]//N//equivalent tensile load

+//let dc be core dia

+pi=3.14

+//A=(pi/4)*dc^2*ft=66*dc^2

+dc=sqrt(Wte/66)//mm

+//let tabd b be thickness and depth of arm

+//Z=(1/6)*t*b^2

+M=W*L//N-mm

+Z=M/84//

+//asume b=250

+b=250//mm

+//Z=b^2*t/6

+t=(M*6)/(ft*b^2)

+printf("the value of core diameteris, %f mm\n",dc)

+printf("the standard value of core diametr  is 11.546 mm fron T11.1\n")

+printf("the value of equivalent tensile load is,%f N\n",Wte)

+printf("the value tensile load is,%f N\n",Wt)

+printf("the value of load actiung on each bolt is,%f N\n",Ws)

+printf("the moment acting is,%f N-mm\n",M)

+printf("the value of thickness is,%f mm",t)
\ No newline at end of file
diff --git a/278/CH11/EX11.16/ex_11_16.sce b/278/CH11/EX11.16/ex_11_16.sce
new file mode 100755
index 000000000..f3fd72014
--- /dev/null
+++ b/278/CH11/EX11.16/ex_11_16.sce
@@ -0,0 +1,64 @@
+//find a.)dia of fixing bolts,b.)dimension of arms

+clc

+//soltuion

+//given

+//refer fig 11.39

+W=10000//N

+q=60//deg

+f1=100//N/mm^2

+t=60//N/mm^2

+Wh=W*sin(%pi/3)//N

+printf("the horizontal component is,%f N\n",Wh)

+Wv=W*cos(pi/3)//N

+printf("the vertical component is,%f N\n",Wv)

+Wt1=Wh/4//force on each bolt//N

+printf("the direct tensile load on each bolt is,%f N\n",Wt1)

+x1=0.05//m//distance of horizontal component from CG

+Th=Wh*x1//N-m//torque due to horizntl compnt

+Ws=Wv/4//N//shear load on each bolt

+printf("shear load on each boltis,%f N\n",Ws)

+x2=0.3//m

+Tv=Wv*x2//N-m

+Tn=Tv-Th//N-m//net moment

+printf("net moment is,%f N-m\n",Tn)

+L1=(250-175)/2000//m//dis btw 1 and 2 bolt

+L3=L1+0.175//m//dis btw 3 and 4 bolt

+printf("the value of L3 is,%f m\n",L3)

+//let w be load  on each bolt

+//Te=2*(w*L1)*L1 + 2*(w*L2)*L2=2*w(L1^2 +L2^2)//total moment abt E

+//Te=0.093*w//N-m

+w=Tn/0.093//N/m

+printf("the laod on each per meter distance from E is,%f N/m\n",w)

+L2=180//mm

+Wt2=w*L3//N

+printf("the value of Wt1 is ,%f N\n",Wt1)

+printf("the value of Wt2 is,%f N\n",Wt2)

+Wt=Wt1+Wt2//N

+printf("the value of total force is,%f N\n",Wt)

+Wte=0.5*[Wt + sqrt(Wt^2 + 4*Ws^2)]//N

+printf("the value of equivalent force is,%f N\n",Wte)

+//let dc be core dia

+dc=sqrt((4*Wte)/(pi*f1))//mm

+printf("the value of core dia is,%f mm\n",dc)

+printf("the valuf of core dia from tabl 11.1 instandard condition is 8.18mm\n")

+//let t be thickness and b be the width,b=3*t

+//A=3*b*t=9*t^2//mm^2

+//I={[b*(2*t +b)^3]/12}-{(b-t)*b^3/12}

+//I=321*t^4/12

+//Z=I/(t+0.5*b)=10.7*t^3//mm^3

+//ft1=Wh/A=962/t^2//N/mm^2

+Mh=Wh*0.05//N-m

+//ft2=Mh/Z=40.5*10^3/t^3//N/mm^2

+//Ty=Wv/A=556/t^3//N/mm^2

+Mv=Wv*0.3//N-m

+//ft3=Mv/Z=140.2*10^3/t^3//N/mm^2

+//Ftnet=ft1-ft2+ft3//N/mm^2

+//Ftnet=(962/t^2)-(40.5*10^3/t^3)+(140.210^3/t^3)

+//Ftnet=(962/t^2)+(99.7*10^3/t^3)

+Ftnet=100//N/mm^2

+//by hit and trial

+//'Ftnet=100=(962/t^2)+(99.7*10^3/t^3)

+t=10.4//mm

+b=3*t//mm

+printf("the thickness is,%f mm\n",t)

+printf("the width is,%f mm",b)

diff --git a/278/CH11/EX11.17/ex_11_17.sce b/278/CH11/EX11.17/ex_11_17.sce
new file mode 100755
index 000000000..c52597a5a
--- /dev/null
+++ b/278/CH11/EX11.17/ex_11_17.sce
@@ -0,0 +1,21 @@
+//find size of bolts

+clc

+//solution

+//given

+//ref fig 11.42

+n=8

+d=1.6//m

+r=0.8//m

+D=2//m

+R=1//m

+W=100000//N

+e=5//m

+ft=100//N/mm^2

+L=e-R//m

+//let dc be core dia

+pi=3.14

+Wt=(2*W*L*(R+r))/(n*(2*R^2+r^2))//N

+printf("the max load acting is,%f N\n",Wt)

+dc=sqrt((W*4)/(pi*ft))//mm

+printf("the core dia is,%f mm\n",dc)

+printf("the standard value of core dia is 31.093 from table 11.1")
\ No newline at end of file
diff --git a/278/CH11/EX11.18/ex_11_18.sce b/278/CH11/EX11.18/ex_11_18.sce
new file mode 100755
index 000000000..857030a33
--- /dev/null
+++ b/278/CH11/EX11.18/ex_11_18.sce
@@ -0,0 +1,16 @@
+//find size of bolts

+clc

+//solution

+//given

+n=4

+d=500//mm

+r=250//mm

+D=650//mm

+R=325//mm

+W=400*10^3//N

+L=350//mm

+ft=60//N/mm^2

+//let dc be core dia

+pi=3.14

+Wt=[(2*W*L)*{R+r*cos(pi/n)}]/{n*(2*R^2 +r^2)}

+printf("the value of load acting is,%f N\n",Wt)
\ No newline at end of file
diff --git a/278/CH11/EX11.19/ex_11_18.sce b/278/CH11/EX11.19/ex_11_18.sce
new file mode 100755
index 000000000..857030a33
--- /dev/null
+++ b/278/CH11/EX11.19/ex_11_18.sce
@@ -0,0 +1,16 @@
+//find size of bolts

+clc

+//solution

+//given

+n=4

+d=500//mm

+r=250//mm

+D=650//mm

+R=325//mm

+W=400*10^3//N

+L=350//mm

+ft=60//N/mm^2

+//let dc be core dia

+pi=3.14

+Wt=[(2*W*L)*{R+r*cos(pi/n)}]/{n*(2*R^2 +r^2)}

+printf("the value of load acting is,%f N\n",Wt)
\ No newline at end of file
diff --git a/278/CH11/EX11.2/ex_11_2.sce b/278/CH11/EX11.2/ex_11_2.sce
new file mode 100755
index 000000000..c86963fd1
--- /dev/null
+++ b/278/CH11/EX11.2/ex_11_2.sce
@@ -0,0 +1,14 @@
+//find stress

+clc

+//solution

+//given

+d=24//mm

+//using table 11.1,area corresponding to d=24mm ,core diameter dc is=20.32//mm

+dc=20.32//mm

+//let ft is stress

+P=2840*d//N

+pi=3.14

+//P=A*ft

+A=(pi/4)*dc^2

+ft=P/(A)//N/mm^2

+printf("the stress acting is,%f N/mm^2",ft)
\ No newline at end of file
diff --git a/278/CH11/EX11.3/ex_11_3.sce b/278/CH11/EX11.3/ex_11_3.sce
new file mode 100755
index 000000000..5e8591baf
--- /dev/null
+++ b/278/CH11/EX11.3/ex_11_3.sce
@@ -0,0 +1,14 @@
+//find nominal diameter of bolt

+clc

+//solution

+//given

+//ref fig 11.22

+P=60000//N

+ft=100//N/mm^2

+//let d nominal diameter and dc core dia

+//P=ft/A

+//A=(pi/4)*dc^2

+pi=3.14

+dc=sqrt(P*4/(pi*ft))

+printf("the value of dc is,%f mm\n",dc)

+printf("the nominal value of d is 33 mm fron T11.1")
\ No newline at end of file
diff --git a/278/CH11/EX11.4/ex_11_4.sce b/278/CH11/EX11.4/ex_11_4.sce
new file mode 100755
index 000000000..92fd8ac43
--- /dev/null
+++ b/278/CH11/EX11.4/ex_11_4.sce
@@ -0,0 +1,18 @@
+//find size of bolts

+clc

+//solution

+//given

+T=25*10^3//N-mm

+n=4

+Rp=30//mm

+t=30//N/mm^2

+Ps=T/Rp//N//shearing load

+//let dc be core dia

+//P=t*n*A

+//A=(pi/4)*dc^2

+pi=3.14

+//P=t*n*(pi/4)*dc^2=94.26*dc^2

+//P=Ps

+dc=sqrt(Ps/94.26)//mm

+printf("the value of dc is,%f mm\n",dc)

+printf("the standard value of core diametr  is 3.141 mm fron T11.1")
\ No newline at end of file
diff --git a/278/CH11/EX11.5/ex_11_5.sce b/278/CH11/EX11.5/ex_11_5.sce
new file mode 100755
index 000000000..459e6b079
--- /dev/null
+++ b/278/CH11/EX11.5/ex_11_5.sce
@@ -0,0 +1,20 @@
+//find dia meter of threaded part 

+clc

+//solution

+//given

+D=100//mm

+p=1.6//N/mm^2

+ft=50//N/mm^2

+pi=3.14

+A=(pi/4)*D^2

+F=A*p//N

+printf("the value of force is,%f N\n",F)

+//since leverage is 8,therfor

+W=F/8//N

+P=F-W

+//let dc be core dia'

+//P=(pi/4)*dc^2*ft

+dc=sqrt(P*4/(pi*ft))//mm

+printf("the value of core dai is,%f mm\n",dc)

+printf("the standard value of core diametr  is 18.376 mm fron T11.1")

+

diff --git a/278/CH11/EX11.6/ex_11_6.sce b/278/CH11/EX11.6/ex_11_6.sce
new file mode 100755
index 000000000..f83da2a62
--- /dev/null
+++ b/278/CH11/EX11.6/ex_11_6.sce
@@ -0,0 +1,28 @@
+//caLCULATE the nmber ans size of studs

+clc

+//soltuion

+//given

+D=350//mm

+p=1.25//N/mm^2

+ft=33//N/mm^2

+//let d be diameter of studs and dc be core daimeter of studs

+pi=3.14

+P=(pi/4)*D^2*p//N

+//assuming nominal dia of studs =24, corrsponding dc=20.32//mm

+d=24//mm

+dc=20.32//mm

+//P1=(pi/4)*dc^2*ft*n

+n=P*4/(pi*dc^2*ft)

+printf("the value of nukmber of studs is,%f \n",n)

+printf("let us assume the value of nukmber of studs is 12\n" )

+d1=25//mm//dia of stid hole

+t=10//mm//assume

+Dp=D+2*t+3*d1//mmm

+printf("the value of pitch dia is,%f mm\n",Dp)

+Pc=(pi*Dp)/(12)//n=12//mm//circumferential pitch

+printf("the value of circumferential pitch is,%f mm\n",Pc)

+x1=20*sqrt(d1)//mm

+x2=30*sqrt(d1)//mm

+printf("the lower and upper limet of circumferential pitch is,%f mm\n and ,%f mm",x1,x2)

+printf("since Pc lies btw x1 and x2,hence design is safe")

+printf("the size of stud is M24")
\ No newline at end of file
diff --git a/278/CH11/EX11.7/ex_11_7.sce b/278/CH11/EX11.7/ex_11_7.sce
new file mode 100755
index 000000000..edb76a140
--- /dev/null
+++ b/278/CH11/EX11.7/ex_11_7.sce
@@ -0,0 +1,35 @@
+//desing th cover plate

+clc

+//solution

+//given

+D=120//mm

+r=60//mm

+p=6//N/mm^2

+ft=60//N/mm^2

+ftb=40//N/mm^2

+t=r*[sqrt((ft+p)/(ft-p))-1]//mm

+printf("the value of thicness is,%f mm\n",t)

+printf("let us consider t=10mm\n")

+//let d be nominal dia,dc core dia,nnumber of bolts

+pi=3.14

+P=(pi/4)*D^2*p//N

+//let us assume d=24//mm,corrsponding dc=20.32/

+d=24//mm

+dc=20.32//mm

+//P1=(pi/4)*dc^2*ftb*n//resistance offered by n bolts

+//P1=12973*n//N

+//P=P1

+n=P/12973

+printf("the value of number of studs is,%f \n",n)

+printf("let us assume the value of number of studs is 6\n" )

+d1=25//mm//dia of stid hole

+t=10//mm//assume

+Dp=D+2*t+3*d1//mmm

+printf("the value of pitch dia is,%f mm\n",Dp)

+Pc=(pi*Dp)/(6)//n=12//mm//circumferential pitch

+printf("the value of circumferential pitch is,%f mm\n",Pc)

+x1=20*sqrt(d1)//mm

+x2=30*sqrt(d1)//mm

+printf("the lower and upper limet of circumferential pitch is,%f mm\n and ,%f mm\n",x1,x2)

+printf("since Pc lies btw x1 and x2,hence design is safe\n")

+printf("the size of bolt is M24")
\ No newline at end of file
diff --git a/278/CH11/EX11.8/ex_11_8.sce b/278/CH11/EX11.8/ex_11_8.sce
new file mode 100755
index 000000000..2ed8b2b16
--- /dev/null
+++ b/278/CH11/EX11.8/ex_11_8.sce
@@ -0,0 +1,32 @@
+//find size of bolt required

+clc

+//soltuion

+//given

+D=300//mm

+p=1.5//N/mm^2

+n=8

+fy=330//N/mm^2

+fe=240//n/mm^2

+//P1=1.5*P2

+Fs=2

+K=0.5

+pi=3.14

+P2=(pi/4)*D^2*p//N

+P1=1.5*P2//N

+Pmax=P1+K*P2//N

+printf("the max force on head  is,%f N\n",Pmax)

+Pmax1=Pmax/n//N//load on each bolt

+Pmin=P1/n//N

+Pm=(Pmin+Pmax1)/2//N//average load

+Pv=(Pmax1-Pmin)/2//N//variable load

+printf("the mean and vaiable load acting are Pm and Pv,%f N\n,%f N\n",Pm,Pv)

+//let dc core diametr of bolt in mm

+//As=(pi/4)*dc^2//mm^2//stress area of bolt

+//fm=Pm/As=29534/dc^2//N/mm^2

+//fv=Pv/As=4220/dc^2//N/mm^2

+//acc to soderberg's formula ,

+//fv=fe[(1/Fs)-(fm/fy)]

+//4420/dc^2=240*[(1/2)-29534/(dc^2*330)]

+dc=sqrt(25700/120)//mm

+printf("the value of core dai is,%f mm\n",dc)

+printf("the standard value of core diametr  is 14.933 mm fron T11.1")

diff --git a/278/CH11/EX11.9/ex_11_9.sce b/278/CH11/EX11.9/ex_11_9.sce
new file mode 100755
index 000000000..2ed8b2b16
--- /dev/null
+++ b/278/CH11/EX11.9/ex_11_9.sce
@@ -0,0 +1,32 @@
+//find size of bolt required

+clc

+//soltuion

+//given

+D=300//mm

+p=1.5//N/mm^2

+n=8

+fy=330//N/mm^2

+fe=240//n/mm^2

+//P1=1.5*P2

+Fs=2

+K=0.5

+pi=3.14

+P2=(pi/4)*D^2*p//N

+P1=1.5*P2//N

+Pmax=P1+K*P2//N

+printf("the max force on head  is,%f N\n",Pmax)

+Pmax1=Pmax/n//N//load on each bolt

+Pmin=P1/n//N

+Pm=(Pmin+Pmax1)/2//N//average load

+Pv=(Pmax1-Pmin)/2//N//variable load

+printf("the mean and vaiable load acting are Pm and Pv,%f N\n,%f N\n",Pm,Pv)

+//let dc core diametr of bolt in mm

+//As=(pi/4)*dc^2//mm^2//stress area of bolt

+//fm=Pm/As=29534/dc^2//N/mm^2

+//fv=Pv/As=4220/dc^2//N/mm^2

+//acc to soderberg's formula ,

+//fv=fe[(1/Fs)-(fm/fy)]

+//4420/dc^2=240*[(1/2)-29534/(dc^2*330)]

+dc=sqrt(25700/120)//mm

+printf("the value of core dai is,%f mm\n",dc)

+printf("the standard value of core diametr  is 14.933 mm fron T11.1")