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ENGR-36_Lec-28_Application_Sesimic-Analysis.ppt 1 Bruce Mayer, PE Engineering-36: Engineering Mechanics - Statics Bruce Mayer,

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Presentation on theme: "ENGR-36_Lec-28_Application_Sesimic-Analysis.ppt 1 Bruce Mayer, PE Engineering-36: Engineering Mechanics - Statics Bruce Mayer,"— Presentation transcript:

1 ENGR-36_Lec-28_Application_Sesimic-Analysis.ppt 1 Bruce Mayer, PE Engineering-36: Engineering Mechanics - Statics Bruce Mayer, PE Licensed Electrical & Mechanical Engineer Engineering 36 Real Life Application

2 ENGR-36_Lec-28_Application_Sesimic-Analysis.ppt 2 Bruce Mayer, PE Engineering-36: Engineering Mechanics - Statics Bruce Mayer, PE Dir. System Engineering 23Jul01 AL-3100 S2 Seismic Loading CG Measurements

3 ENGR-36_Lec-28_Application_Sesimic-Analysis.ppt 3 Bruce Mayer, PE Engineering-36: Engineering Mechanics - Statics System FootPrint

4 ENGR-36_Lec-28_Application_Sesimic-Analysis.ppt 4 Bruce Mayer, PE Engineering-36: Engineering Mechanics - Statics MacroMicro Main Unit

5 ENGR-36_Lec-28_Application_Sesimic-Analysis.ppt 5 Bruce Mayer, PE Engineering-36: Engineering Mechanics - Statics Loader/UnLoader

6 ENGR-36_Lec-28_Application_Sesimic-Analysis.ppt 6 Bruce Mayer, PE Engineering-36: Engineering Mechanics - Statics 3100 MiniEnvironment Housing

7 ENGR-36_Lec-28_Application_Sesimic-Analysis.ppt 7 Bruce Mayer, PE Engineering-36: Engineering Mechanics - Statics Results, MiniEnvironment  Total Weight/Mass = 25.3 kN, 260 kg, 570 lb  Maximum Leg Load = 1.33 kN (300 lb)  Center of Gravity Offset from Geometric Center CG 3% to Left (toward side A-D) CD 2% Forward (toward end A-B)  CG offset Attributed to Fan Motor Inverter-Drive Unit

8 ENGR-36_Lec-28_Application_Sesimic-Analysis.ppt 8 Bruce Mayer, PE Engineering-36: Engineering Mechanics - Statics Leg Loading & Ctr of Gravity Test Apparatus AB C D Load Cell at Each Level-Leg

9 ENGR-36_Lec-28_Application_Sesimic-Analysis.ppt 9 Bruce Mayer, PE Engineering-36: Engineering Mechanics - Statics Main Unit Center of Gravity Test: X-Axis Tilt Main Unit Center of Gravity Test Y-Axis Tilt

10 ENGR-36_Lec-28_Application_Sesimic-Analysis.ppt 10 Bruce Mayer, PE Engineering-36: Engineering Mechanics - Statics Load/Unload Unit Center of Gravity Test: X-Axis Tilt

11 ENGR-36_Lec-28_Application_Sesimic-Analysis.ppt 11 Bruce Mayer, PE Engineering-36: Engineering Mechanics - Statics Load/Unload Unit Center of Gravity Test: X-Axis Tilt BEFORE  Level  0.04° Tilt AFTER  Level  3.17° Tilt

12 ENGR-36_Lec-28_Application_Sesimic-Analysis.ppt 12 Bruce Mayer, PE Engineering-36: Engineering Mechanics - Statics LCGD-1k Load Cell Test – No Load - 23Jul Vdc Excitation Power Source NO Load OutPut Signal (mVdc) Load Cell Lift Truck 3100 SEMICon-West01 MiniEnvironment Crate

13 ENGR-36_Lec-28_Application_Sesimic-Analysis.ppt 13 Bruce Mayer, PE Engineering-36: Engineering Mechanics - Statics LCGD-1k Load Cell Test – Full Load - 23Jul Vdc Excitation Power Source Loaded OutPut Signal (mVdc): 8.8 mV(50lb/mV)  440 lbs Load Cell Lift Truck 3100 SEMICon-West01 MiniEnvironment Crate

14 ENGR-36_Lec-28_Application_Sesimic-Analysis.ppt 14 Bruce Mayer, PE Engineering-36: Engineering Mechanics - Statics XY CG Calc  Measure With Load Cells Total SubSytem Weight Reaction loads at All Floor Contact Points  Calc using R A & R B  Solve for W and Y1 Check W by

15 ENGR-36_Lec-28_Application_Sesimic-Analysis.ppt 15 Bruce Mayer, PE Engineering-36: Engineering Mechanics - Statics Vertical CG (z-CoOrd) Determination BeforeAfter

16 ENGR-36_Lec-28_Application_Sesimic-Analysis.ppt 16 Bruce Mayer, PE Engineering-36: Engineering Mechanics - Statics Vertical CG Determination  Use XY CG Results  TIP System, and Measure Angle with Digital Protractor  Note that for Higher CG, the Restoring Lever Arm is Shortened More  Working the Geometry, and Doing the Math Find for Small Tilt Angles  :

17 ENGR-36_Lec-28_Application_Sesimic-Analysis.ppt 17 Bruce Mayer, PE Engineering-36: Engineering Mechanics - Statics Bruce Mayer, PE Dir. System Engineering 19Feb02 3x00 S2-§19 Seismic Protection EarthQuake – Magnitude 8.0 – Kurile Islands – 03Dec1995

18 ENGR-36_Lec-28_Application_Sesimic-Analysis.ppt 18 Bruce Mayer, PE Engineering-36: Engineering Mechanics - Statics 3x00 Seismic Protection Analysis Plan  Measure/Calc Weight and Center of Gravity  Consult S2/§19 for Lateral Loading Criteria (0.63g)  Consult Mechanical Design Drawing for Seismic Structural-Element Location & Configuration  Use Newtonian Vector Mechanics to Determine Force & Moment Loads  Use Solid-Mechanics Analysis to Determine Fastener (Bolt) Stresses  Use Mechanical-Engineering & Materials Properties to determine Factors of Safety

19 ENGR-36_Lec-28_Application_Sesimic-Analysis.ppt 19 Bruce Mayer, PE Engineering-36: Engineering Mechanics - Statics BMayer

20 ENGR-36_Lec-28_Application_Sesimic-Analysis.ppt 20 Bruce Mayer, PE Engineering-36: Engineering Mechanics - Statics 3x00 S2Testing: Tatsuno Japan, Dec01 S Test System AL3120F, s/n x00_S2S8_Tatsuno_PhotoDoc_0112.ppt

21 ENGR-36_Lec-28_Application_Sesimic-Analysis.ppt 21 Bruce Mayer, PE Engineering-36: Engineering Mechanics - Statics 3x00 Seismic Loading & Geometry BMayer

22 ENGR-36_Lec-28_Application_Sesimic-Analysis.ppt 22 Bruce Mayer, PE Engineering-36: Engineering Mechanics - Statics Loading Geometry Detail

23 ENGR-36_Lec-28_Application_Sesimic-Analysis.ppt 23 Bruce Mayer, PE Engineering-36: Engineering Mechanics - Statics Leg Loading & Ctr of Gravity Test Apparatus A Load Cell at Each Level-Leg P a_mm_tilt_full.JPG Jack to Tilt Frame Unit

24 ENGR-36_Lec-28_Application_Sesimic-Analysis.ppt 24 Bruce Mayer, PE Engineering-36: Engineering Mechanics - Statics Center of Gravity Tilt-Testing: Before Digital Protractor P _Ul_gage_before.JPG

25 ENGR-36_Lec-28_Application_Sesimic-Analysis.ppt 25 Bruce Mayer, PE Engineering-36: Engineering Mechanics - Statics Center of Gravity Tilt-Testing: After Digital Protractor P _me_GageAfter.JPG

26 ENGR-36_Lec-28_Application_Sesimic-Analysis.ppt 26 Bruce Mayer, PE Engineering-36: Engineering Mechanics - Statics OverTurning Analysis  Analysis Parameters: 1.Worst Case → SHORTEST Restoring-Moment Lever-Arm –Lever Arms= 582mm, 710mm, 776mm (see slides 4&5) 2.Vertical (resisting/restoring) Acceleration of 0.85g per SEMI S2 § Horizontal (overturning) Acceleration for non-HPM equipment of 0.63g per §  Results → Safe From Overturning WithOUT Restraints (but not by much!) 3x00_Seismic_Analysis_0202.xls

27 ENGR-36_Lec-28_Application_Sesimic-Analysis.ppt 27 Bruce Mayer, PE Engineering-36: Engineering Mechanics - Statics Bracket Stress Analysis  Analysis Parameters 1.Assume Failure Point at M6 or M10 Bolts 2.FOUR (4) Angle Brackets With a total of 8 Connecting & Anchor Bolts, Resist Shear 3.Two Bolts Per Point, Each Bolt Bears 50% of Load 4.Bolt Axial-PreLoad is negligible (Snug-Fit) 5.Shear Load Per Restraint Point = 500lb/2.22kN 6.Use Von Mises Yield Criteria: S sy = 0.577S y  Results 3x00_Seismic_Analysis_0202.xls

28 ENGR-36_Lec-28_Application_Sesimic-Analysis.ppt 28 Bruce Mayer, PE Engineering-36: Engineering Mechanics - Statics 3x00 S2-§19 - Appendix A - R5-1: Seismic Protection CheckList

29 ENGR-36_Lec-28_Application_Sesimic-Analysis.ppt 29 Bruce Mayer, PE Engineering-36: Engineering Mechanics - Statics X X See Analysis By B. Mayer PE: file 3x00_Seismic_Analysis_0202.xls Factor of Safety  10x for Shear-Load

30 ENGR-36_Lec-28_Application_Sesimic-Analysis.ppt 30 Bruce Mayer, PE Engineering-36: Engineering Mechanics - Statics S2-0200, §19 R5-1: Seismic Protection CheckList cont.1 X Anchors are well secured, and system is connected by Flexible Electrical & CDA conduits X FrameWork is Rigid Relative to Module Weight Given 0.63g acceleration Customer Supplied M10 Floor Anchors Should have Need Pull-Out Rating 1.1 kN (250 lb) Ref: ASTM Standard E 488 X X X NO attached Equipment

31 ENGR-36_Lec-28_Application_Sesimic-Analysis.ppt 31 Bruce Mayer, PE Engineering-36: Engineering Mechanics - Statics S2-0200, §19 R5-1: Seismic Protection CheckList cont.2 No Large and Brittle Components X X X NOT APPLICABLE by Q.B3

32 ENGR-36_Lec-28_Application_Sesimic-Analysis.ppt 32 Bruce Mayer, PE Engineering-36: Engineering Mechanics - Statics S2-0200, §19 R5-1: Seismic Protection CheckList cont.3 No Hazardous Piping. The CDAir piping is flex-line X X X X

33 ENGR-36_Lec-28_Application_Sesimic-Analysis.ppt 33 Bruce Mayer, PE Engineering-36: Engineering Mechanics - Statics S2-0200, §19 R5-1: Seismic Protection CheckList cont.4 X X

34 ENGR-36_Lec-28_Application_Sesimic-Analysis.ppt 34 Bruce Mayer, PE Engineering-36: Engineering Mechanics - Statics OLYMPUS Integrated Technologies America, Inc. 3x00 S2-§19 - Appendix B - Anchor-Bolt PullOut Ratings

35 ENGR-36_Lec-28_Application_Sesimic-Analysis.ppt 35 Bruce Mayer, PE Engineering-36: Engineering Mechanics - Statics B. Mayer Research: Jul-01  Ref: Performance Data T esting conducted according to ASTM Standard E 488. Ultimate Load Capacities - Carbon Steel Power-Bolt™

36 ENGR-36_Lec-28_Application_Sesimic-Analysis.ppt 36 Bruce Mayer, PE Engineering-36: Engineering Mechanics - Statics OLYMPUS Integrated Technologies America, Inc. 3x00 S2-§19 - Appendix C - Engineering Mechanics Analsysis

37 ENGR-36_Lec-28_Application_Sesimic-Analysis.ppt 37 Bruce Mayer, PE Engineering-36: Engineering Mechanics - Statics

38 ENGR-36_Lec-28_Application_Sesimic-Analysis.ppt 38 Bruce Mayer, PE Engineering-36: Engineering Mechanics - Statics

39 ENGR-36_Lec-28_Application_Sesimic-Analysis.ppt 39 Bruce Mayer, PE Engineering-36: Engineering Mechanics - Statics

40 ENGR-36_Lec-28_Application_Sesimic-Analysis.ppt 40 Bruce Mayer, PE Engineering-36: Engineering Mechanics - Statics

41 ENGR-36_Lec-28_Application_Sesimic-Analysis.ppt 41 Bruce Mayer, PE Engineering-36: Engineering Mechanics - Statics


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