Member release

Beam 1,2,3 and 4 are welded connection At joint 35,36,37 and 38.

is it need to give support at that joint?

because of the load at cantilever end, there is high displacement.

STAAD SPACE
START JOB INFORMATION
ENGINEER DATE 19-Apr-18
END JOB INFORMATION
INPUT WIDTH 79
UNIT METER KN
JOINT COORDINATES
3 3 0 0.75; 4 0 0 0; 5 1.4 0 0; 6 0 0 1.5; 7 1.4 0 1.5; 10 0 0 3; 11 1.4 0 3;
12 3 0 2.25; 13 0 -3.1 0; 14 1.4 -3.1 0; 15 0 -4.2 0; 16 1.4 -4.2 0;
19 0 -4.7 0; 20 1.4 -4.7 0; 22 1.4 -3.1 1.5; 23 0 -3.1 1.5; 25 0 -4.2 1.5;
26 1.4 -4.2 1.5; 27 0 -4.7 1.5; 28 1.4 -4.7 1.5; 29 0 -3.1 3; 30 0 -4.2 3;
31 0 -4.7 3; 32 1.4 -3.1 3; 33 1.4 -4.2 3; 34 1.4 -4.7 3; 35 0 0 0.75;
36 1.4 0 0.75; 37 0 0 2.25; 38 1.4 0 2.25;
MEMBER INCIDENCES
1 35 36; 2 36 3; 3 37 38; 4 38 12; 5 4 5; 6 6 7; 7 10 11; 8 4 35; 9 35 6;
10 6 37; 11 37 10; 12 5 36; 13 36 7; 14 7 38; 15 38 11; 16 4 13; 17 13 15;
18 15 19; 19 5 14; 20 14 16; 21 16 20; 22 6 23; 23 23 25; 24 25 27; 25 7 22;
26 22 26; 27 26 28; 28 10 29; 29 29 30; 30 30 31; 31 11 32; 32 32 33; 33 33 34;
34 13 14; 35 15 16; 36 23 22; 37 25 26; 38 29 32; 39 30 33; 40 14 15; 41 22 25;
42 32 30; 43 13 23; 44 23 29; 45 15 25; 46 25 30; 47 14 22; 48 22 32; 49 16 26;
50 26 33; 51 13 25; 52 25 29; 53 14 26; 54 26 32;
START GROUP DEFINITION
MEMBER
_COL_1 16 TO 21 28 TO 33
_COL_2 22 TO 27
_CRANE-BEAM 1 TO 4
_T-BEAM 8 TO 15
_BRACING 34 TO 54
_TIE-BEAM 5 TO 7
END GROUP DEFINITION
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 275000 FU 407800 RY 1.5 RT 1.2
END DEFINE MATERIAL
MEMBER PROPERTY CHINESE
1 TO 4 TABLE ST HW200X200
5 TO 7 16 TO 21 28 TO 33 TABLE ST TUB1001004.0
34 TO 54 TABLE ST TUB50503.0
22 TO 27 TABLE ST TUB1201205.0
MEMBER PROPERTY BRITISH
8 TO 15 TABLE ST TUB2001005.0
CONSTANTS
MATERIAL STEEL ALL
SUPPORTS
19 20 27 28 31 34 PINNED
LOAD 1 LOADTYPE Dead  TITLE GK
SELFWEIGHT Y -1
JOINT LOAD
13 FY -0.6
23 FY -1.125
29 FY -0.83
LOAD 2 LOADTYPE Live REDUCIBLE TITLE CRANE LOAD 1
JOINT LOAD
3 12 FX 1.08 FY -26.9 FZ 2.69
LOAD 3 LOADTYPE Live REDUCIBLE TITLE CRANE LOAD 2
MEMBER LOAD
1 3 CON GX 1.08 0.7
1 3 CON GY -26.9 0.7
1 3 CON GZ 2.69 0.7
LOAD 4 LOADTYPE Live  TITLE CRANE LOAD 3
MEMBER LOAD
1 3 CON GX 1.08 0
1 3 CON GY -26.9 0
1 3 CON GZ 2.69 0
LOAD 5 LOADTYPE Live  TITLE CRANE LOAD 4
MEMBER LOAD
1 3 CON GX 1.08 1.4
1 3 CON GY -26.9 1.4
1 3 CON GZ 2.69 1.4
LOAD 15 LOADTYPE Live  TITLE PLATFORM IMPOSED LOAD
JOINT LOAD
13 FY -1.7
23 FY -3.4
29 FY -2.5
LOAD COMB 6 LOAD COMB: 101
1 1.0 2 1.3 15 1.3
LOAD COMB 7 LOAD COMB: 102
1 1.0 3 1.3 15 1.3
LOAD COMB 8 LOAD COMB: 103
1 1.0 4 1.3 15 1.3
LOAD COMB 9 LOAD COMB: 104
1 1.0 5 1.3 15 1.3
LOAD COMB 10 LOAD COMB: 201
1 1.35 2 1.5 15 1.5
LOAD COMB 11 LOAD COMB: 202
1 1.35 3 1.5 15 1.5
LOAD COMB 12 LOAD COMB: 203
1 1.35 4 1.5 15 1.5
LOAD COMB 13 LOAD COMB: 204
1 1.35 5 1.5 15 1.5
PERFORM ANALYSIS
PARAMETER 1
CODE EN 1993-1-1:2005
CHECK CODE MEMB 1 TO 4
PARAMETER 2
CODE EN 1993-1-1:2005
CHECK CODE MEMB 5 TO 15
PARAMETER 3
CODE EN 1993-1-1:2005
CHECK CODE MEMB 16 TO 33
PARAMETER 4
CODE EN 1993-1-1:2005
CHECK CODE MEMB 34 TO 50
FINISH