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SUMMARY
1 OBJECT.................................................................................................................................................... 8
2 APPLICABLE CODES............................................................................................................................... 8
3 MATERIALS.............................................................................................................................................. 8
4 LOADS DEFINITION................................................................................................................................. 9
4.1 DEAD LOAD (DEAD)...................................................................................................................... 13
4.2 LIVE LOAD (LIVE).......................................................................................................................... 13
4.3 EQUIPMENT (EQPT_SL,EQPT_DX_X,EQPT_DY_Y)...................................................................13
4.4 QUAKE_X-Y................................................................................................................................... 15
4.5 OPERATING LOAD (COIL)............................................................................................................16
4.6 OPERX / OPERY............................................................................................................................ 18
4.7 CONTENT (CONTENT).................................................................................................................. 18
4.8 MOVING LOAD (POT CRANE, MANUT RAILS, INGOT RAIL, MINISPANGLE )..........................18
4.9 LOAD COMBINATIONS................................................................................................................. 19
5 STRUCTURE CALCULATION................................................................................................................21
5.1 BASIC DATA................................................................................................................................... 21
5.2 CHECK PARAMETERS.................................................................................................................. 24
5.3 CHECK PLATE............................................................................................................................... 25
6 TOWER PLAN CHECK........................................................................................................................... 26
6.1 PLAN +5200................................................................................................................................... 26
6.1.1 MODEL PLANE.......................................................................................................................... 26
6.1.2 MODEL LOAD............................................................................................................................ 28
6.1.3 CHECK OF FRAME....................................................................................................................30
6.1.4 BOLTED JOINTS........................................................................................................................31
6.2 PLAN ELEV. 9.08........................................................................................................................... 48
6.2.1 MODEL PLANE.......................................................................................................................... 48
6.2.2 MODEL LOAD............................................................................................................................ 50
6.2.3 CHECK OF FRAME....................................................................................................................52
6.2.4 BOLTED JOINTS........................................................................................................................53
6.3 PLAN ELEV. 12.20......................................................................................................................... 67
6.3.1 MODEL PLANE.......................................................................................................................... 67
6.3.2 MODEL LOAD............................................................................................................................ 69
6.3.3 CHECK OF FRAME....................................................................................................................72
6.3.4 BOLTED JOINTS........................................................................................................................73
6.4 PLAN ELEV. 15.5........................................................................................................................... 87
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6.4.1 MODEL PLANE.......................................................................................................................... 87
6.4.2 MODEL LOAD............................................................................................................................ 89
6.4.3 CHECK OF FRAME....................................................................................................................94
6.4.4 BOLTED JOINTS........................................................................................................................96
6.5 PLAN ELEV. 20.50....................................................................................................................... 123
6.5.1 MODEL PLANE........................................................................................................................ 123
6.5.2 MODEL LOAD..........................................................................................................................125
6.5.3 CHECK OF FRAME..................................................................................................................128
6.5.4 BOLTED JOINTS......................................................................................................................129
6.6 PLAN ELEV. 25.30....................................................................................................................... 155
6.6.1 MODEL PLANE........................................................................................................................ 155
6.6.2 MODEL LOAD..........................................................................................................................157
6.6.3 CHECK OF FRAME..................................................................................................................162
6.6.4 BOLTED JOINTS......................................................................................................................163
7 FURNANCE PLAN CHECK...................................................................................................................187
7.1 PLAN +5200................................................................................................................................. 187
7.1.1 MODEL PLANE (ROW C-G).....................................................................................................187
7.1.2 MODEL LOAD..........................................................................................................................189
7.1.3 MODEL PLANE (ROW G-J)......................................................................................................191
7.1.4 MODEL LOAD..........................................................................................................................193
7.1.5 MODEL PLANE (ROW G-J)......................................................................................................195
.............................................................................................................................................................. 196
7.1.6 MODEL LOAD..........................................................................................................................197
7.1.8 CHECK OF FRAME..................................................................................................................199
7.1.9 BOLTED JOINTS......................................................................................................................203
7.2 PLAN +7,35.................................................................................................................................. 225
7.2.1 MODEL PLANE........................................................................................................................ 225
7.2.2 MODEL LOAD..........................................................................................................................227
7.2.3 CHECK OF FRAME..................................................................................................................228
7.2.4 BOLTED JOINTS......................................................................................................................229
8 ALIGNMENT CHECK............................................................................................................................ 240
8.1 ALIGNMENT (1-9)........................................................................................................................240
8.1.1 MODEL PLANE........................................................................................................................ 240
8.1.2 CHECK OF FRAME..................................................................................................................245
8.1.3 BOLTED JOINTS......................................................................................................................248
8.2 ALIGNMENT (A1-N).....................................................................................................................278
8.2.1 MODEL PLANE........................................................................................................................ 278
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8.2.2 CHECK OF FRAME..................................................................................................................287
8.2.3 BOLTED JOINTS......................................................................................................................289
8.3 STAIRS......................................................................................................................................... 337
8.3.1 FURNACE STAIRS...................................................................................................................337
8.3.2 CHECK OF FRAME..................................................................................................................340
8.3.3 BOLTED JOINTS......................................................................................................................341
8.3.4 CHECK OF FRAME..................................................................................................................343
9 RAILWAY.............................................................................................................................................. 344
9.1 RAILWAY...................................................................................................................................... 344
9.2 MONORAIL................................................................................................................................... 348
9.2.1 CHECK OF FRAME..................................................................................................................351
10 FOUNDATION LOADS AND BASE PLATES...................................................................................355
10.1 LOAD DEFINITION.......................................................................................................................355
10.2 FOUNDATION LOAD................................................................................................................... 356
10.3 BASE PLATES.............................................................................................................................. 370
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1 OBJECTScope of this report is the check the structural support of the tower and furnace for _________. The structure
in located indoor and is composed by 2 body connected: the tower and the furnace.
The structure of tower is height 25,3 m have 5 plans of dimension pair to 14,5 x 8,55 m.
In longitudinal direction there are braces frames at all plans row A and braces frame at 4 th-5th planes rows B-
C.
In cross direction there are braced frames at 4th-5th planes rows 5-8.
The structure of furnace is height 5,3 m with plans dimension pair to 65 x 10,7 m.
In longitudinal direction there are braced frames at rows 5-8.
In cross direction there are moment resisting frame connections.
2 APPLICABLE CODESEurocode 3 – UNI ENV 1993-1-1 “Design of steel structures part 1-1: General rules and rules for buildings”
Actions on structures:
Weight of equipment, strip tension, dynamic load of the fans have been received from ______ technical
department.
3 MATERIALSPlates and shapes: S275 JR – EN 10025
Yield stress 275 N/mm²
Tensile stress 430 N/mm²
Bolted connections according to EN20898. Bolts class 8.8
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4 LOADS DEFINITIONIn the calculation the following load cases have been included:
TABLE: Load Pattern Definitions
LoadPatDesignTyp
eSelfWtMul
tText Text Unitless
DEAD DEAD 1,2LIVE LIVE 0EQPT_SL DEAD 0EQPT_DY_X OTHER 0EQPT_DY_Y OTHER 0MINISPANGLE DEAD 0COIL OTHER 0CRANE DEAD 0MANUT OTHER 0COIL WEIGHT DEAD 0LATERAL LOAD OTHER 0CONTENT LIVE 0WFU OTHER 0WFY OTHER 0
DEAD
Is the dead load. This case includes the self weight of the structure, the weight of the grating and hand rails
LIVE
Is the live load on the service plan, walkways, stairs and roof
EQPT_ST
Is the self-weight of the installed equipment.
EQPT_DY_(X-Y)
Is the dynamic load of the strip supports.
MINISPANGLE
It is the self-weight of minispangle.
It is a moving load present in operating condition and it is shows in chapter [9]
COIL
Is the self-weight of coil applied on frame supports.
MOVING LOAD (CRANE)
Moving load are present in maintenance condition. They are show in chapter [9].
MANUT
Is the live load due to maintenance of structure
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COIL WEIGTH
Is the weight of coil in first application
LATERAL LOAD
Is the dynamic effect of railway. It is show in chapter [9]
CONTENT
It is the weight of content of silos present to height +15,5
WINCH FRAME (WFU)
It’s the static effect of winch frame machine presents at the last floor [ref. n.19 tab.13].
WINCH FRAME (WFY)
It’s the dynamic effect of winch frame machine presents at the last floor [ref. n.19 tab.13].
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The following analysis cases have been included in the calculation.
TABLE: Load Case Definitions
Case TypeInitialCon
dModalCas
e DesignTypeText Text Text Text Text
DEAD LinStatic p-delta DEADMODAL LinModal Zero OTHERLIVE LinStatic p-delta LIVEEQPT_SL LinStatic p-delta DEADEQPT_DY_X LinStatic p-delta OTHEREQPT_DY_Y LinStatic p-delta OTHERCOIL LinStatic p-delta OTHER
POT CRANE LinMoving ZeroVEHICLE LIVE
MANUT RAILS LinMoving ZeroVEHICLE LIVE
INGOT RAIL LinMoving ZeroVEHICLE LIVE
MINISPANGLE LinStatic Zero DEADCRANE LinStatic p-delta DEADCOIL WEIGHT LinStatic p-delta DEADSBANDAMENTO LinStatic p-delta OTHERMANUT LinStatic p-delta OTHERp-delta NonStatic Zero DEADQUAKE_X LinRespSpec RITZ QUAKEQUAKE_Y LinRespSpec RITZ QUAKECONTENT LinStatic Zero LIVERITZ LinModal Zero QUAKEWFU LinStatic Zero OTHERWFY LinStatic Zero OTHER
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With the following further information:
P-Delta Analysis
All analysis cases have been solved in the following way:
Similarly for the other cases.
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4.1 DEAD LOAD (DEAD)All the self weight of he members have been multiplied by 1.2 to take in account the weight of plates, bolts,,,
The self weight of the covering plates is: 0.45 kN/m²
The self weight of the handrails has been judged negligible.
4.2 LIVE LOAD (LIVE)The design live load is 4.0 kN/m². This load has been applied only in the areas equipment free.
4.3 EQUIPMENT (EQPT_SL,EQPT_DX_X,EQPT_DY_Y)
The equipment is formed by the elements of the furnace and other various equipment.
In particular the EQPT_ST is due to the equipment of rolling, coil and other equipment.
The EQPT_DX_X-EQPT_DY_Y are due to the dynamic load of fan coil.
The loads are taken by _________________ report in the following.
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4.4 QUAKE_X-Y
For the definition of the seismic force it is used Seismic design code for Dubai (2013) with input data
Ssd/g=0,24; S1d/g=0,16.
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4.5 OPERATING LOAD (COIL)From the Tension Diagram produced by Danieli, the strip tension is 50,0 kN.
IMMAGINE IS NOT AVAILABLE
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In the hot bridle area we have to consider the effects of the tension in the strip
Z
X
Angles of the strip with the horizontal
F1 F2 F3 F4 F5 F6 F7 F8 F9 F10α 0 40 -40 -56 56 90 -90 180 0 -90
F11 F12 F13 F14 F15 F16 F17 F18 F19 F20α 90 90 -90 180 0 -90 90 180 0 -90
Now we define the resultant forces on the roll axis.
The tension load on the strip is 50 kN
Roll 1 2 3 4 5 6 7 8 9 10Fx [kN] 68,04 27,6 [-] -50 -50 100 -50 -50 -50 50Fz [kN] 71,11 91,94 [-] -50 50 0 50 50 50 -50
Moments:
From roll 1. Eccentricity: 0.85 m My = 68,04x0.85 = 58,3 kNm
From roll 2 Eccentricity: 1.15 m My = -91,94x1.15 = 105,8 kNm
From roll 4 Eccentricity: 1.65 m My = -50x1.65 = -82,5 kNm
From roll 5 Eccentricity: 1.65 m My = 50x1.65 = 82,5 kNm
From roll 7 Eccentricity: 2.5 m My = -50x2,5 = -125 kNm
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From roll 8 Eccentricity: 2.5 m My = 50x2,5 = 125 kNm
From roll 9 Eccentricity: 1.25 m My = -50x1.25 = -63 kNm
From roll 10 Eccentricity: 1.25 m My = 50x1.25 = 63 kNm
The maintenance load is the suspended loads of the monorails (15-30-20 kN).
The railway present in rows B1-C1 is used by minispangle (tag load 440 kN) active in operating condition
and by crane (tag load 270 kN) active in maintenance condition.
Conservatively this load is applied as moving load in all support points of the monorails/railway.
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4.6 OPERX / OPERY
Below the furnace level there are the support of the strip.
These support are sustained by longitudinal beams between the main columns.
4.7 CONTENT (CONTENT)
It is the weight of content of silos present to height +15,5 pair to 18,4kN
4.8 MOVING LOAD (POT CRANE, MANUT RAILS, INGOT RAIL, MINISPANGLE )
Moving load are present in operating/maintenance condition. They are show in chapter [9].