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BMayer@ChabotCollege.edu ENGR-36_Lec-28_Application_Sesimic-Analysis.ppt 1 Bruce Mayer, PE Engineering-36: Engineering Mechanics - Statics Bruce Mayer, PE Licensed Electrical & Mechanical Engineer BMayer@ChabotCollege.edu Engineering 36 Real Life Application
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BMayer@ChabotCollege.edu 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
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BMayer@ChabotCollege.edu ENGR-36_Lec-28_Application_Sesimic-Analysis.ppt 3 Bruce Mayer, PE Engineering-36: Engineering Mechanics - Statics System FootPrint
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BMayer@ChabotCollege.edu ENGR-36_Lec-28_Application_Sesimic-Analysis.ppt 4 Bruce Mayer, PE Engineering-36: Engineering Mechanics - Statics MacroMicro Main Unit
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BMayer@ChabotCollege.edu ENGR-36_Lec-28_Application_Sesimic-Analysis.ppt 5 Bruce Mayer, PE Engineering-36: Engineering Mechanics - Statics Loader/UnLoader
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BMayer@ChabotCollege.edu ENGR-36_Lec-28_Application_Sesimic-Analysis.ppt 6 Bruce Mayer, PE Engineering-36: Engineering Mechanics - Statics 3100 MiniEnvironment Housing
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BMayer@ChabotCollege.edu 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
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BMayer@ChabotCollege.edu 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
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BMayer@ChabotCollege.edu 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
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BMayer@ChabotCollege.edu 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
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BMayer@ChabotCollege.edu 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
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BMayer@ChabotCollege.edu ENGR-36_Lec-28_Application_Sesimic-Analysis.ppt 12 Bruce Mayer, PE Engineering-36: Engineering Mechanics - Statics LCGD-1k Load Cell Test – No Load - 23Jul01 13.65 Vdc Excitation Power Source NO Load OutPut Signal (mVdc) Load Cell Lift Truck 3100 SEMICon-West01 MiniEnvironment Crate
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BMayer@ChabotCollege.edu ENGR-36_Lec-28_Application_Sesimic-Analysis.ppt 13 Bruce Mayer, PE Engineering-36: Engineering Mechanics - Statics LCGD-1k Load Cell Test – Full Load - 23Jul01 13.65 Vdc Excitation Power Source Loaded OutPut Signal (mVdc): 8.8 mV(50lb/mV) 440 lbs Load Cell Lift Truck 3100 SEMICon-West01 MiniEnvironment Crate
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BMayer@ChabotCollege.edu 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
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BMayer@ChabotCollege.edu ENGR-36_Lec-28_Application_Sesimic-Analysis.ppt 15 Bruce Mayer, PE Engineering-36: Engineering Mechanics - Statics Vertical CG (z-CoOrd) Determination BeforeAfter
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BMayer@ChabotCollege.edu 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 :
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BMayer@ChabotCollege.edu 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
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BMayer@ChabotCollege.edu 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
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BMayer@ChabotCollege.edu ENGR-36_Lec-28_Application_Sesimic-Analysis.ppt 19 Bruce Mayer, PE Engineering-36: Engineering Mechanics - Statics BMayer
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BMayer@ChabotCollege.edu ENGR-36_Lec-28_Application_Sesimic-Analysis.ppt 20 Bruce Mayer, PE Engineering-36: Engineering Mechanics - Statics 3x00 S2Testing: Tatsuno Japan, Dec01 S2-0200 Test System AL3120F, s/n 111001 3x00_S2S8_Tatsuno_PhotoDoc_0112.ppt
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BMayer@ChabotCollege.edu ENGR-36_Lec-28_Application_Sesimic-Analysis.ppt 21 Bruce Mayer, PE Engineering-36: Engineering Mechanics - Statics 3x00 Seismic Loading & Geometry BMayer
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BMayer@ChabotCollege.edu ENGR-36_Lec-28_Application_Sesimic-Analysis.ppt 22 Bruce Mayer, PE Engineering-36: Engineering Mechanics - Statics Loading Geometry Detail
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BMayer@ChabotCollege.edu 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 P7310022a_mm_tilt_full.JPG Jack to Tilt Frame Unit
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BMayer@ChabotCollege.edu 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 P7310050_Ul_gage_before.JPG
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BMayer@ChabotCollege.edu 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 P7310055_me_GageAfter.JPG
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BMayer@ChabotCollege.edu 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 §19.2.4 3.Horizontal (overturning) Acceleration for non-HPM equipment of 0.63g per §19.2.2 Results → Safe From Overturning WithOUT Restraints (but not by much!) 3x00_Seismic_Analysis_0202.xls
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BMayer@ChabotCollege.edu 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
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BMayer@ChabotCollege.edu 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
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BMayer@ChabotCollege.edu 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
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BMayer@ChabotCollege.edu 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
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BMayer@ChabotCollege.edu 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
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BMayer@ChabotCollege.edu 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
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BMayer@ChabotCollege.edu 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
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BMayer@ChabotCollege.edu 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
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BMayer@ChabotCollege.edu ENGR-36_Lec-28_Application_Sesimic-Analysis.ppt 35 Bruce Mayer, PE Engineering-36: Engineering Mechanics - Statics B. Mayer Research: 1911 25-Jul-01 Ref: http://www.powers.com/manual/23pb.htm 23.7 Performance Data T esting conducted according to ASTM Standard E 488. Ultimate Load Capacities - Carbon Steel Power-Bolt™
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BMayer@ChabotCollege.edu 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
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BMayer@ChabotCollege.edu ENGR-36_Lec-28_Application_Sesimic-Analysis.ppt 37 Bruce Mayer, PE Engineering-36: Engineering Mechanics - Statics
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BMayer@ChabotCollege.edu ENGR-36_Lec-28_Application_Sesimic-Analysis.ppt 38 Bruce Mayer, PE Engineering-36: Engineering Mechanics - Statics
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BMayer@ChabotCollege.edu ENGR-36_Lec-28_Application_Sesimic-Analysis.ppt 39 Bruce Mayer, PE Engineering-36: Engineering Mechanics - Statics
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BMayer@ChabotCollege.edu ENGR-36_Lec-28_Application_Sesimic-Analysis.ppt 40 Bruce Mayer, PE Engineering-36: Engineering Mechanics - Statics
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BMayer@ChabotCollege.edu ENGR-36_Lec-28_Application_Sesimic-Analysis.ppt 41 Bruce Mayer, PE Engineering-36: Engineering Mechanics - Statics
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