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BMayer@ChabotCollege.edu • ENGR-36_Lec-28_Application_Sesimic-Analysis.ppt1
Bruce Mayer, PE Engineering-36: Engineering Mechanics - Statics
Bruce Mayer, PELicensed Electrical & Mechanical Engineer
BMayer@ChabotCollege.edu
Engineering 36
Real LifeApplication
BMayer@ChabotCollege.edu • ENGR-36_Lec-28_Application_Sesimic-Analysis.ppt2
Bruce Mayer, PE Engineering-36: Engineering Mechanics - Statics
Bruce Mayer, PEDir. System Engineering
23Jul01
AL-3100S2 Seismic LoadingCG Measurements
BMayer@ChabotCollege.edu • ENGR-36_Lec-28_Application_Sesimic-Analysis.ppt3
Bruce Mayer, PE Engineering-36: Engineering Mechanics - Statics
SystemFootPrint
BMayer@ChabotCollege.edu • ENGR-36_Lec-28_Application_Sesimic-Analysis.ppt4
Bruce Mayer, PE Engineering-36: Engineering Mechanics - Statics
MacroMicro Main Unity
x
z
x y
z
z
x
BMayer@ChabotCollege.edu • ENGR-36_Lec-28_Application_Sesimic-Analysis.ppt5
Bruce Mayer, PE Engineering-36: Engineering Mechanics - Statics
Loader/UnLoader
x
z
x x
z
y
z
BMayer@ChabotCollege.edu • ENGR-36_Lec-28_Application_Sesimic-Analysis.ppt6
Bruce Mayer, PE Engineering-36: Engineering Mechanics - Statics
3100 MiniEnvironment Housing
x
z
y
z
x
z
x
y
BMayer@ChabotCollege.edu • ENGR-36_Lec-28_Application_Sesimic-Analysis.ppt7
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
BMayer@ChabotCollege.edu • ENGR-36_Lec-28_Application_Sesimic-Analysis.ppt8
Bruce Mayer, PE Engineering-36: Engineering Mechanics - Statics
Leg Loading & Ctr of Gravity Test Apparatus
A B
CD
Load Cell at Each Level-Leg
BMayer@ChabotCollege.edu • ENGR-36_Lec-28_Application_Sesimic-Analysis.ppt9
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
BMayer@ChabotCollege.edu • ENGR-36_Lec-28_Application_Sesimic-Analysis.ppt10
Bruce Mayer, PE Engineering-36: Engineering Mechanics - Statics
Load/Unload Unit
Center of GravityTest: X-Axis Tilt
BMayer@ChabotCollege.edu • ENGR-36_Lec-28_Application_Sesimic-Analysis.ppt11
Bruce Mayer, PE Engineering-36: Engineering Mechanics - Statics
Load/Unload Unit Center of GravityTest: X-Axis Tilt
BEFORE Level
0.04° Tilt
AFTER Level
3.17° Tilt
BMayer@ChabotCollege.edu • ENGR-36_Lec-28_Application_Sesimic-Analysis.ppt12
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
BMayer@ChabotCollege.edu • ENGR-36_Lec-28_Application_Sesimic-Analysis.ppt13
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
BMayer@ChabotCollege.edu • ENGR-36_Lec-28_Application_Sesimic-Analysis.ppt14
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 RA & RB
LRYLWM AB 10
Solve for W and Y1• Check W by
LRYWM BA 10
BAz RRWF 0
BMayer@ChabotCollege.edu • ENGR-36_Lec-28_Application_Sesimic-Analysis.ppt15
Bruce Mayer, PE Engineering-36: Engineering Mechanics - Statics
Vertical CG (z-CoOrd) Determination
BeforeAfter
BMayer@ChabotCollege.edu • ENGR-36_Lec-28_Application_Sesimic-Analysis.ppt16
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 :
beforeB
afterBcgcgA R
RxzM
,
,1tan
0
BMayer@ChabotCollege.edu • ENGR-36_Lec-28_Application_Sesimic-Analysis.ppt17
Bruce Mayer, PE Engineering-36: Engineering Mechanics - Statics
Bruce Mayer, PEDir. System Engineering
19Feb02
3x00 S2-§19Seismic Protection
EarthQuake– Magnitude
8.0– Kurile Islands– 03Dec1995
BMayer@ChabotCollege.edu • ENGR-36_Lec-28_Application_Sesimic-Analysis.ppt18
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
BMayer@ChabotCollege.edu • ENGR-36_Lec-28_Application_Sesimic-Analysis.ppt19
Bruce Mayer, PE Engineering-36: Engineering Mechanics - Statics
BMayer
BMayer@ChabotCollege.edu • ENGR-36_Lec-28_Application_Sesimic-Analysis.ppt20
Bruce Mayer, PE Engineering-36: Engineering Mechanics - Statics
3x00 S2Testing: Tatsuno Japan, Dec01
S2-0200 Test SystemAL3120F, s/n 111001
3x00_S2S8_Tatsuno_PhotoDoc_0112.ppt
BMayer@ChabotCollege.edu • ENGR-36_Lec-28_Application_Sesimic-Analysis.ppt21
Bruce Mayer, PE Engineering-36: Engineering Mechanics - Statics
3x00 Seismic Loading & Geometry
BMayer
BMayer@ChabotCollege.edu • ENGR-36_Lec-28_Application_Sesimic-Analysis.ppt22
Bruce Mayer, PE Engineering-36: Engineering Mechanics - Statics
Loading Geometry Detail
BMayer@ChabotCollege.edu • ENGR-36_Lec-28_Application_Sesimic-Analysis.ppt23
Bruce Mayer, PE Engineering-36: Engineering Mechanics - Statics
Leg Loading & Ctr of Gravity Test Apparatus
Load Cell atEach Level-Leg
P7310022a_mm_tilt_full.JPG
Jack to TiltFrame Unit
BMayer@ChabotCollege.edu • ENGR-36_Lec-28_Application_Sesimic-Analysis.ppt24
Bruce Mayer, PE Engineering-36: Engineering Mechanics - Statics
Center of Gravity Tilt-Testing: Before
DigitalProtractor
P7310050_Ul_gage_before.JPG
BMayer@ChabotCollege.edu • ENGR-36_Lec-28_Application_Sesimic-Analysis.ppt25
Bruce Mayer, PE Engineering-36: Engineering Mechanics - Statics
Center of Gravity Tilt-Testing: After
DigitalProtractor
P7310055_me_GageAfter.JPG
BMayer@ChabotCollege.edu • ENGR-36_Lec-28_Application_Sesimic-Analysis.ppt26
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 0.85gper 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!)
Pivot Axis OverTurning Restoring Factor ofLine Direction Moment (N-m) Moment (N-m) SafetyR-S Y 6884 6966 1.01P-Q X 6884 8504 1.24
3x00_Seismic_Analysis_0202.xls
BMayer@ChabotCollege.edu • ENGR-36_Lec-28_Application_Sesimic-Analysis.ppt27
Bruce Mayer, PE Engineering-36: Engineering Mechanics - Statics
Bracket Stress Analysis Analysis Parameters
1. Assume Failure Pointat 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: Ssy = 0.577Sy
Results
2.22 kN
Bolt Bolt Ssy Load Stress, Factor of
Size & Fcn Material (MPa) (MPa) SafetyM6 Connector SS-304 139.1 13.84 10.1M10 Anchor SS-304 139.1 4.74 29.4
3x00_Seismic_Analysis_0202.xls
BMayer@ChabotCollege.edu • ENGR-36_Lec-28_Application_Sesimic-Analysis.ppt28
Bruce Mayer, PE Engineering-36: Engineering Mechanics - Statics
3x00 S2-§19- Appendix A - R5-1: Seismic
Protection CheckList
BMayer@ChabotCollege.edu • ENGR-36_Lec-28_Application_Sesimic-Analysis.ppt29
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
BMayer@ChabotCollege.edu • ENGR-36_Lec-28_Application_Sesimic-Analysis.ppt30
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
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
BMayer@ChabotCollege.edu • ENGR-36_Lec-28_Application_Sesimic-Analysis.ppt31
Bruce Mayer, PE Engineering-36: Engineering Mechanics - Statics
S2-0200, §19 R5-1: Seismic Protection CheckList cont.2
No Large and Brittle ComponentsX
X
X
NOT APPLICABLE by Q.B3
BMayer@ChabotCollege.edu • ENGR-36_Lec-28_Application_Sesimic-Analysis.ppt32
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
BMayer@ChabotCollege.edu • ENGR-36_Lec-28_Application_Sesimic-Analysis.ppt33
Bruce Mayer, PE Engineering-36: Engineering Mechanics - Statics
S2-0200, §19 R5-1: Seismic Protection CheckList cont.4
X
X
BMayer@ChabotCollege.edu • ENGR-36_Lec-28_Application_Sesimic-Analysis.ppt34
Bruce Mayer, PE Engineering-36: Engineering Mechanics - Statics
OLYMPUS Integrated Technologies America, Inc.
3x00 S2-§19- Appendix B -
Anchor-Bolt PullOut Ratings
BMayer@ChabotCollege.edu • ENGR-36_Lec-28_Application_Sesimic-Analysis.ppt35
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
Testing conducted according to ASTM Standard E 488. Ultimate Load Capacities - Carbon Steel Power-Bolt™
GuideAnchor
SizeEmbed.Depth
Torque (ft-lbs.)
Tension (lbs.)
Shear (lbs.)
Tension (lbs.)
Shear (lbs.)
Tension (lbs.)
Shear (lbs.)
5/16"~ M8 2" 15 2,640 3,280 3,120 4,230 3,270 4,4005/16"~ M8 3" 15 3,280 4,240 3,780 5,380 4,260 5,3803/8"~M10 2-1/2" 35 5,200 7,270 5,590 8,155 6,270 8,2653/8"~M10 3-1/2" 35 5,585 8,525 6,150 8,770 7,550 9,055
1/2" ~ M12 3" 60 7,325 10,150 9,780 10,690 10,545 12,0051/2" ~ M12 5" 60 8,060 12,930 10,855 14,740 11,460 14,435
2,000 psi Concrete 4,000 psi Concrete 6,000 psi Concrete
BMayer@ChabotCollege.edu • ENGR-36_Lec-28_Application_Sesimic-Analysis.ppt36
Bruce Mayer, PE Engineering-36: Engineering Mechanics - Statics
OLYMPUS Integrated Technologies America, Inc.
3x00 S2-§19- Appendix C -
Engineering Mechanics Analsysis
BMayer@ChabotCollege.edu • ENGR-36_Lec-28_Application_Sesimic-Analysis.ppt37
Bruce Mayer, PE Engineering-36: Engineering Mechanics - Statics
BMayer@ChabotCollege.edu • ENGR-36_Lec-28_Application_Sesimic-Analysis.ppt38
Bruce Mayer, PE Engineering-36: Engineering Mechanics - Statics
BMayer@ChabotCollege.edu • ENGR-36_Lec-28_Application_Sesimic-Analysis.ppt39
Bruce Mayer, PE Engineering-36: Engineering Mechanics - Statics
BMayer@ChabotCollege.edu • ENGR-36_Lec-28_Application_Sesimic-Analysis.ppt40
Bruce Mayer, PE Engineering-36: Engineering Mechanics - Statics
BMayer@ChabotCollege.edu • ENGR-36_Lec-28_Application_Sesimic-Analysis.ppt41
Bruce Mayer, PE Engineering-36: Engineering Mechanics - Statics
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