Blast Resistant Building BP Refinery Rotterdam

Transcription

1 Blast Resistant Building BP Refinery Rotterdam 14 May,

2 Contents Presentation Introduction KCI Functional Specification Blast Resistant Building Basis for design Blast & impact loading Design modeling & analyses Preliminary design Design details 2 2

3 Introduction KCI 3 3

4 KCI Project Organization 4 4

5 HSE Consultancy ORBITAL Technologies ORBITAL Technologies BV is an independent consulting company active in specialized services to the public and private sectors worldwide. The consulting and project support services are focussed on Health, Safety, Environment, Asset management and Quality (HSEQ) The company was founded in 2001 by KCI and experts in the field of HSEQ and is based in Schiedam, the Netherlands and has since successfully supported companies in an affordable way to quantify and enhance safety, environment and quality of operations and design. 5 5

6 Introduction KCI 6 6

7 Introduction KCI 7 7

8 Explosion Analyses & Blast Resistant Design air (m³/hr) N air changes/hr Q gas V stoichiometric V Q 8 8

9 References Blast Resistant Onshore Modular Buildings BASF Seal Sands Workshop for: Blast resistance check 0,9 Psi Shell Pernis for: Blast Resistant Modular Building 8 Psi Occupied buildings assessment UK by: Cumulative Frequency (cpm) Total Cumulative Frequency vs. Hazard Level at AN6 Control Building Overpresssure (psi) 9 9

10 Occupied Buildings Compliance experience Aker Solutions Consultancy Services: Occupied building risk assessments for operating sites in UK, Ireland and mainland Europe Building design overpressure specification for CAPEX projects in Europe, China and Middle East Assessment of location of temporary buildings on operating sites and advice to Aker Solutions Clients include: BASF, Huntsman Tioxide, Huntsman Surface Sciences, GlaxoSmithKline, Air Products, Koch Partnership BV, SABIC, Northumbrian Water, Aker Solutions to edit this text Slide

11 ATEX 137 Implementation & Training 11 11

12 Functional Specification Blast Resistant Building Modular design: 27 x 18 x 3,6 M (L X B x H) Frame work structural steel; external walls corrugated plating Blast overpressure resistance: 970 mbar; 92,3 millisecond Explosion driven 6 inch, 300 lbs blind flange impact resistance External walls and doors 60 min. fire proof Internal walls and doors 30 min. fire proof Inside overpressure of 30 mbar 12 12

13 Blast resistant building lay out 13 13

14 Basis for design specifications;codes & standards Specifications: GP Guidance on practice for design and location of occupied permanent buildings subject to blast, fire and gas hazards on onshore facilities GP Guidance on Practice for Civil Engineering DEP Gen (optional) Technical specification blast resilient and blast resistant control buildings/field auxiliary rooms Codes and Standards ARMY TM Structures to resist the effect of accidental explosions PGS 1, part 2B: Effects of explosions on constructions; VROM/SZW; 14 14

15 Basis for design material properties Material strength Applied yield strength Fy = 355 N/mm² (St. 52 or equivalent) Ultimate strength Fu = 510 N/mm² Dynamic yield stress Fdy = Fy x SIF x DIF SIF = Strength increase factor SIF = 1,1 for structural steel SIF = 1,2 for cold formed steel cladding panels DIF = Dynamic increase factor: DIF = 1.29 for bending/ shear DIF = 1.19 for tension/ compression Applied material properties Structural steel Fdy = 504/465 N/mm² (Bending-Shear/tension-compression) Sheeting Fdy = 550/507 N/mm²(Bending-Shear/tension-compression) 15 15

16 Basis for design criteria Deformation limits Element Ductility Rotation Deflection µ Ө º Beams/girths Frame members 3 3 δ < H/25 mm Metal sheet panels 6 4 Open web joints 2 2 Plates Ductility µ =Total (plastic) deformation/elastic deformation H = Frame height in mm 16 16

17 Basis for design foundation Foundation: Safety for overturning = 1.2 Safety for sliding =

18 Blast and impact loading P = Peak over pressure (92.3 ms) Pr = Peak reflected pressure Pa = Roof/ side wall pressure Pb = Back pressure 970 mbar 2627 mbar 384/491mbar 384/491 mbar Impact loading: explosion driven #300 6 inch blind flange 18 18

19 Load combinations Overall strength analysis blast resistant building Dead weight + frame blast loading Longitudinal direction Transverse direction Local strength analysis wall and roof panels Reflected over pressure Impact loading walls Floor Dead weight + live load (3kN/m² Stability Dead weight + frame blast loading 19 19

20 Design modeling & analyses Computer programs & analyses Local wall and roof analyses The structural impact and response to the blast pressures to the external walls and roof are analysed by means of a time domain non-linear physical excel software. Overall frame design The overall structural blast response calculation is performed with the software STAAD.PRO. The peak dynamic reactions from the walls and roof are applied to the frame members

21 Design model & analysis outside wall panels Local wall and roof analyses 21 21

22 Design model & analysis outside wall panels Response corrugated sheet Non linear response In-elastic response Elastic response x [m] ` t [sec] 22 22

23 Design model & analysis outside wall panels Non linear spring corrugated sheet Non linear spring Fs [N] x [m] 23 23

24 Design model & analysis outside wall panels Reaction force corrugated sheet Reaction force V [N] t [sec] 24 24

25 Design model and analysis roof panels 25 25

26 Design model and analysis roof panels Response Non linear response In-elastic response Elastic response x [m] t [sec] 26 26

27 Design model and analysis floor 27 27

28 Fragment impact analysis 100 Fragment impact resistance external walls 80 velocity (m/s) inch #300 blind flange Weight (kg) 28 28

29 Blast resistant frame model & analysis 29 29

30 Blast resistant frame model & analysis 30 30

31 Blast resistant frame model & analysis Roof Floor 31 31

32 SHELL BRM Von Mises stresses 32 32

33 Blast resistant frame model & analysis 33 33

34 Preliminary design Module frame dimensions: (6 off) Module dimensions are L x B x H: 18m x 4.5m x 3,6m. Floor frame beams: HE 240 A Roof frame beams: IPE 550 Internal free standing columns: HE 260 A Side wall and door post columns: HE 140A External wall dimensions design: Corrugated sheeting 160 mm deep 640 mm wave length Wall thickness 8mm Floor dimensions design: Beams IPE 120 centre-to-centre 600 mm. Plating 5 mm. Roof dimensions design: Beams IPE 160 centre-to-centre 375mm. Plating 5 mm Al steel type st

35 Design details Doors Windows Ducts Piping HVAC 250 mm pipe mounted in corrugated wall 3658 b detail c window supporting width