diff options
Diffstat (limited to '3776/CH11/EX11.8')
| -rw-r--r-- | 3776/CH11/EX11.8/Ex11_8.sce | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/3776/CH11/EX11.8/Ex11_8.sce b/3776/CH11/EX11.8/Ex11_8.sce index 84736d445..64d8b2256 100644 --- a/3776/CH11/EX11.8/Ex11_8.sce +++ b/3776/CH11/EX11.8/Ex11_8.sce @@ -2,18 +2,19 @@ clear //Given // L = 15.0 //ft - The length of the each rod -A = 46.7 //in2 - The length of the crossection +A = 46.7 //sq.in - The length of the crossection r_min = 4 //in - The radius of gyration stress_yp = 36.0 //ksi - the yielding point stress E = 29*(10**3) //ksi - The youngs modulus lamda = L*12*((stress_yp/E)**0.5)/(4*(%pi)) //column slenderness ratio if lamda<1.5 then - printf("The following approach is right") + printf("Since lamda<1.5 we can apply the AISC LFRD formula") else printf("The following approach is wrong") end -stress_cr = (0.658**(lamda**2))*stress_yp //ksi - The critical stress -P_n = stress_cr*A //kips //Nominal compressive strength +stress_cr = (0.658**(lamda**2))*stress_yp //ksi - The critical stress +P_n = stress_cr*A //kips //Nominal compressive strength o = 0.85 //Resistance factor -p_u = o*P_n //kips ,column design compressive strength -printf("\n column design compressive strength %0.3f kips",p_u) +p_u = o*P_n //kips ,column design compressive strength +printf("\ncolumn design compressive strength %0.3f kips",p_u) +// small variation due to rounding off errors |