EC8 base shear differs from handcals

Dear,

Kindly, can you check my model and handcals attached.

I am getting base shear as folows:

-handcalc=700kN (ELF)

-EC8 2004=900kN (RSA)

-EC8 1994=500kN (RSA)

Please advice.

PDF 

STAAD SPACE
START JOB INFORMATION

INPUT WIDTH 79
UNIT METER KN
JOINT COORDINATES
1 0 0 0; 2 0 0 25; 3 0 4.5 0; 4 0 4.5 5; 5 0 4.5 10; 6 0 4.5 15; 7 0 4.5 20;
8 0 4.5 25; 9 6.25 0 0; 10 6.25 0 25; 11 6.25 4.5 0; 12 6.25 4.5 5;
13 6.25 4.5 10; 14 6.25 4.5 15; 15 6.25 4.5 20; 16 6.25 4.5 25; 17 12.5 0 0;
18 12.5 0 25; 19 12.5 4.5 0; 20 12.5 4.5 5; 21 12.5 4.5 10; 22 12.5 4.5 15;
23 12.5 4.5 20; 24 12.5 4.5 25; 25 18.75 0 0; 26 18.75 0 25; 27 18.75 4.5 0;
28 18.75 4.5 5; 29 18.75 4.5 10; 30 18.75 4.5 15; 31 18.75 4.5 20;
32 18.75 4.5 25; 33 25 0 0; 34 25 0 25; 35 25 4.5 0; 36 25 4.5 5; 37 25 4.5 10;
38 25 4.5 15; 39 25 4.5 20; 40 25 4.5 25; 41 31.25 0 0; 42 31.25 0 25;
43 31.25 4.5 0; 44 31.25 4.5 5; 45 31.25 4.5 10; 46 31.25 4.5 15;
47 31.25 4.5 20; 48 31.25 4.5 25; 49 3.125 4.5 0; 50 3.125 4.5 25;
51 28.125 4.5 0; 52 28.125 4.5 25; 53 9.375 4.5 0; 54 9.375 4.5 25;
55 15.625 4.5 0; 56 15.625 4.5 25; 57 21.875 4.5 0; 58 21.875 4.5 25;
59 0.4 4.5 5; 60 0.4 4.5 10; 61 0.4 4.5 15; 62 0.4 4.5 20; 63 6.65 4.5 5;
64 6.65 4.5 10; 65 6.65 4.5 15; 66 6.65 4.5 20; 67 12.9 4.5 5; 68 12.9 4.5 10;
69 12.9 4.5 15; 70 12.9 4.5 20; 71 19.15 4.5 5; 72 19.15 4.5 10;
73 19.15 4.5 15; 74 19.15 4.5 20; 75 25.4 4.5 5; 76 25.4 4.5 10;
77 25.4 4.5 15; 78 25.4 4.5 20; 79 5.85 4.5 5; 80 5.85 4.5 10; 81 5.85 4.5 15;
82 5.85 4.5 20; 83 12.1 4.5 5; 84 12.1 4.5 10; 85 12.1 4.5 15; 86 12.1 4.5 20;
87 18.35 4.5 5; 88 18.35 4.5 10; 89 18.35 4.5 15; 90 18.35 4.5 20;
91 24.6 4.5 5; 92 24.6 4.5 10; 93 24.6 4.5 15; 94 24.6 4.5 20; 95 30.85 4.5 5;
96 30.85 4.5 10; 97 30.85 4.5 15; 98 30.85 4.5 20; 99 6.65 4.5 0;
100 6.65 4.5 25; 101 12.9 4.5 0; 102 12.9 4.5 25; 103 19.15 4.5 0;
104 19.15 4.5 25; 105 0.4 4.5 0; 106 0.4 4.5 25; 107 25.4 4.5 0;
108 25.4 4.5 25; 109 5.85 4.5 0; 110 5.85 4.5 25; 111 30.85 4.5 0;
112 30.85 4.5 25; 113 12.1 4.5 0; 114 12.1 4.5 25; 115 18.35 4.5 0;
116 18.35 4.5 25; 117 24.6 4.5 0; 118 24.6 4.5 25;
MEMBER INCIDENCES
1 1 3; 2 2 8; 3 4 3; 4 5 4; 5 6 5; 6 7 6; 7 8 7; 8 49 109; 10 12 79; 11 12 5;
12 13 80; 13 5 14; 14 14 81; 15 14 7; 16 15 82; 18 50 110; 19 9 11; 20 10 16;
21 12 11; 22 13 12; 23 14 13; 24 15 14; 25 16 15; 26 11 99; 27 20 83; 28 21 84;
29 22 85; 30 23 86; 31 16 100; 32 17 19; 33 18 24; 34 20 19; 35 21 20;
36 22 21; 37 23 22; 38 24 23; 39 19 101; 40 28 87; 41 29 88; 42 30 89;
43 31 90; 44 24 102; 45 25 27; 46 26 32; 47 28 27; 48 29 28; 49 30 29;
50 31 30; 51 32 31; 52 27 103; 53 36 91; 54 37 92; 55 38 93; 56 39 94;
57 32 104; 58 33 35; 59 34 40; 60 36 35; 61 37 36; 62 38 37; 63 39 38;
64 40 39; 65 51 111; 67 44 95; 68 36 45; 69 45 96; 70 45 38; 71 46 97;
72 38 47; 73 47 98; 75 52 112; 76 41 43; 77 42 48; 78 44 43; 79 45 44;
80 46 45; 81 47 46; 82 48 47; 83 3 105; 84 8 106; 85 35 107; 86 40 108;
87 1 49; 88 9 49; 89 2 50; 90 10 50; 91 33 51; 92 41 51; 93 34 52; 94 42 52;
95 53 113; 96 54 114; 97 55 115; 98 56 116; 99 57 117; 100 58 118; 101 4 49;
102 12 49; 103 12 53; 104 20 53; 105 20 55; 106 28 55; 107 28 57; 108 36 57;
109 50 7; 110 50 15; 111 54 15; 112 54 23; 113 56 23; 114 56 31; 115 58 31;
116 58 39; 117 52 39; 118 52 47; 119 36 51; 120 44 51; 121 59 4; 122 60 5;
123 61 6; 124 62 7; 125 63 12; 126 64 13; 127 65 14; 128 66 15; 129 67 20;
130 68 21; 131 69 22; 132 70 23; 133 71 28; 134 72 29; 135 73 30; 136 74 31;
137 75 36; 138 76 37; 139 77 38; 140 78 39; 141 79 59; 142 80 60; 143 81 61;
144 82 62; 145 83 63; 146 84 64; 147 85 65; 148 86 66; 149 87 67; 150 88 68;
151 89 69; 152 90 70; 153 91 71; 154 92 72; 155 93 73; 156 94 74; 157 95 75;
158 96 76; 159 97 77; 160 98 78; 161 99 53; 162 100 54; 163 101 55; 164 102 56;
165 103 57; 166 104 58; 167 105 49; 168 106 50; 169 107 51; 170 108 52;
171 109 11; 172 110 16; 173 111 43; 174 112 48; 175 113 19; 176 114 24;
177 115 27; 178 116 32; 179 117 35; 180 118 40;
START GROUP DEFINITION
MEMBER
_RAM 1 TO 7 19 TO 25 32 TO 38 45 TO 51 58 TO 64 76 TO 82
_GLAVNA_GREDA 8 10 12 14 16 18 26 TO 31 39 TO 44 52 TO 57 65 67 69 71 73 75 -
83 TO 86 95 TO 100 121 TO 180
_DIJAGONALE 11 13 15 68 70 72 87 TO 94 101 TO 120
_GREDE_RAMA 3 TO 7 21 TO 25 34 TO 38 47 TO 51 60 TO 64 78 TO 82
_STUBOVI 1 2 19 20 32 33 45 46 58 59 76 77
_IVICNA_GREDA 8 18 26 31 39 44 52 57 65 75 83 TO 86 95 TO 100 161 TO 180
END GROUP DEFINITION
DEFINE MATERIAL START
ISOTROPIC STEEL
E 2.05e+08
POISSON 0.3
DENSITY 76.8195
ALPHA 1.2e-05
DAMP 0.03
TYPE STEEL
STRENGTH RY 1.5 RT 1.2
END DEFINE MATERIAL
CONSTANTS
BETA 90 MEMB 1 2 19 20 32 33 45 46 58 59 76 77
BETA 45 MEMB 11 13 15 68 70 72 87 TO 94 101 TO 120
MATERIAL STEEL ALL
MEMBER PROPERTY EUROPEAN
8 10 12 14 16 18 26 TO 31 39 TO 44 52 TO 57 65 67 69 71 73 75 83 TO 86 95 -
96 TO 100 121 TO 180 TABLE ST IPE450
101 TO 120 TABLE ST L150X150X10
1 TO 7 19 TO 25 32 TO 38 45 TO 51 58 TO 64 76 TO 82 TABLE ST HE800B
11 13 15 68 70 72 87 TO 94 TABLE ST L150X150X18
SUPPORTS
1 2 9 10 17 18 25 26 33 34 41 42 PINNED
MEMBER RELEASE
10 TO 16 26 TO 31 39 TO 44 52 TO 57 67 TO 73 83 TO 94 101 TO 120 START MP 0.99
11 13 15 68 70 72 87 TO 94 101 TO 140 171 TO 180 END MP 0.99
CUT OFF MODE SHAPE 100
DEFINE REFERENCE LOADS
****x
LOAD R1 LOADTYPE Mass  TITLE MASS SOURCE
SELFWEIGHT X 1 
MEMBER LOAD
8 18 26 31 39 44 52 57 65 75 83 TO 86 95 TO 100 161 TO 180 UNI GX 3.9
10 12 14 16 27 TO 30 40 TO 43 53 TO 56 67 69 71 73 121 TO 160 UNI GX 7.7
MEMBER LOAD
8 18 26 31 39 44 52 57 65 75 83 TO 86 95 TO 100 161 TO 180 UNI GX 4.8
10 12 14 16 27 TO 30 40 TO 43 53 TO 56 67 69 71 73 121 TO 160 UNI GX 9.6
***y
SELFWEIGHT Y 1 
MEMBER LOAD
8 18 26 31 39 44 52 57 65 75 83 TO 86 95 TO 100 161 TO 180 UNI GY 3.9
10 12 14 16 27 TO 30 40 TO 43 53 TO 56 67 69 71 73 121 TO 160 UNI GY 7.7
MEMBER LOAD
8 18 26 31 39 44 52 57 65 75 83 TO 86 95 TO 100 161 TO 180 UNI GY 4.8
10 12 14 16 27 TO 30 40 TO 43 53 TO 56 67 69 71 73 121 TO 160 UNI GY 9.6
***z
SELFWEIGHT Z 1 
MEMBER LOAD
8 18 26 31 39 44 52 57 65 75 83 TO 86 95 TO 100 161 TO 180 UNI GZ 3.9
10 12 14 16 27 TO 30 40 TO 43 53 TO 56 67 69 71 73 121 TO 160 UNI GZ 7.7
MEMBER LOAD
8 18 26 31 39 44 52 57 65 75 83 TO 86 95 TO 100 161 TO 180 UNI GZ 4.8
10 12 14 16 27 TO 30 40 TO 43 53 TO 56 67 69 71 73 121 TO 160 UNI GZ 9.6
END DEFINE REFERENCE LOADS

LOAD 1 LOADTYPE Seismic  TITLE SX
SPECTRUM SRSS EURO 2004 ELASTIC RS1 X 1 ACC DAMP 0.05 LIN
SOIL TYPE B ALPHA 0.1 Q 1.5
LOAD 2 LOADTYPE Seismic  TITLE SZ
SPECTRUM SRSS EURO 2004 ELASTIC RS1 Z 1 ACC DAMP 0.05 LIN
SOIL TYPE B ALPHA 0.1 Q 1.5
PERFORM ANALYSIS

FINISH