Sir/Madam,
I need some clarification on the beam design and deflection parameters defining in STAAD Pro.
In the model, I have used IS 800 (Limit state method) as the design code check.
My requirement is I want beam no. 83 , 84 & 81 to be considered as single beam in design checking .
So I defined beam no. 83 , 84 & 81 with LZ 2.5m and
For deflection check I defined beam no. 83 , 84 & 81 with DJ1 as 37 & DJ2 as 44.
Whether this way of defining is correct??
Consider beam no . 83
I have defined DFF as 325
Deflection length (dff) should be the distance between the defined nodes ( i.e here it should be between DJ1 & DJ2 defined ) but in the output file it is giving some other value ( 6817) ?? Whether my defining way is wrong ?
Pls. clarify and correct my defining parameters.
I have attached the model.
STAAD SPACE
START JOB INFORMATION
ENGINEER DATE 29-Sep-17
END JOB INFORMATION
INPUT WIDTH 79
UNIT METER KN
JOINT COORDINATES
1 0 0 0; 2 0 0 2.5; 3 2.5 0 0; 4 2.5 0 2.5; 5 0 4.3 0; 6 0 4.3 2.5;
7 2.5 4.3 0; 8 2.5 4.3 2.5; 9 0 8.6 0; 10 0 8.6 2.5; 11 2.5 8.6 0;
12 2.5 8.6 2.5; 13 0 8.6 1.25; 14 2.5 8.6 1.25; 15 1.25 8.6 0; 16 1.25 8.6 2.5;
17 1.25 4.3 0; 18 0 4.3 1.25; 19 1.25 4.3 2.5; 20 2.5 4.3 1.25; 21 0 10.975 0;
22 0 10.975 2.5; 23 2.5 10.975 0; 24 2.5 10.975 2.5; 37 0.5 10.975 0;
38 1 10.975 0; 39 1.5 10.975 0; 40 2 10.975 0; 41 2 10.975 2.5;
42 1.5 10.975 2.5; 43 1 10.975 2.5; 44 0.5 10.975 2.5; 45 0 10.975 2;
46 0 10.975 0.5; 47 2.5 10.975 2; 48 2.5 10.975 0.5; 49 0.5 10.975 0.5;
50 0.5 10.975 2; 51 2 10.975 0.5; 52 2 10.975 2; 53 1 10.975 0.5;
54 1.5 10.975 0.5; 55 1 10.975 2; 56 1.5 10.975 2;
MEMBER INCIDENCES
1 1 5; 2 2 6; 3 3 7; 4 4 8; 5 5 17; 6 7 20; 7 8 19; 8 6 18; 9 5 9; 10 6 10;
11 7 11; 12 8 12; 13 9 15; 14 11 14; 15 12 16; 16 10 13; 17 1 2; 18 2 4;
19 4 3; 20 1 3; 21 13 9; 22 14 12; 23 15 11; 24 16 10; 25 17 7; 26 18 5;
27 19 6; 28 20 8; 29 5 13; 30 13 6; 31 6 16; 32 16 8; 33 8 14; 34 14 7;
35 7 15; 36 15 5; 37 1 18; 38 18 2; 39 20 3; 40 20 4; 41 9 21; 42 10 22;
43 12 24; 44 11 23; 45 21 37; 46 24 47; 47 24 41; 48 22 45; 69 37 38; 70 38 39;
71 39 40; 72 40 23; 73 41 42; 74 42 43; 75 43 44; 76 44 22; 77 45 46; 78 46 21;
79 47 48; 80 48 23; 81 37 49; 82 40 51; 83 49 50; 84 50 44; 85 51 52; 86 52 41;
87 49 53; 88 50 55; 89 52 47; 90 51 48; 91 46 49; 92 45 50; 93 53 54; 94 54 51;
95 55 56; 96 56 52; 97 38 53; 98 39 54; 99 43 55; 100 42 56;
START USER TABLE
TABLE 1 COLUMN.UPT
END
DEFINE MATERIAL START
ISOTROPIC STEEL
E 2.05e+008
POISSON 0.3
DENSITY 76.8195
ALPHA 1.2e-005
DAMP 0.03
TYPE STEEL
STRENGTH FY 253200 FU 407800 RY 1.5 RT 1.2
END DEFINE MATERIAL
MEMBER PROPERTY INDIAN
45 TO 48 69 TO 100 TABLE ST ISMB400
5 TO 8 13 TO 28 TABLE ST ISMB250
MEMBER PROPERTY INDIAN
29 TO 40 TABLE SD ISA150X150X10
MEMBER PROPERTY INDIAN
1 TO 4 9 TO 12 41 TO 44 TABLE ST ISMB400
CONSTANTS
MATERIAL STEEL ALL
SUPPORTS
1 TO 4 FIXED
LOAD 1 LOADTYPE None TITLE LOAD CASE 1
MEMBER LOAD
83 85 87 88 93 TO 96 UNI GY -40
JOINT LOAD
21 TO 24 FY -20
FLOOR LOAD
YRANGE 0.2 4.3 FLOAD -7.5 GY
YRANGE 4.5 9 FLOAD -7.5 GY
YRANGE 12 15 FLOAD -7.5 GY
YRANGE 16 20 FLOAD -7.5 GY
SELFWEIGHT Y -1
PERFORM ANALYSIS PRINT STATICS CHECK
PARAMETER 1
CODE IS800 LSD
TRACK 2 ALL
LZ 2.5 MEMB 81 TO 86
LZ 2.5 MEMB 45 47 69 TO 76
LZ 1.5 MEMB 87 88 93 TO 96
DJ1 44 MEMB 81 83 84
DJ1 37 MEMB 81 83 84
DJ1 41 MEMB 82 85 86
DJ1 40 MEMB 82 85 86
DJ1 23 MEMB 45 69 TO 72
DJ1 21 MEMB 45 69 TO 72
DJ1 24 MEMB 47 73 TO 76
DJ1 22 MEMB 47 73 TO 76
DFF 325 ALL
MAIN -1 MEMB 29 TO 40
CHECK CODE ALL
FINISH