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nees berkeley Lab Tour Bozidar Stojadinovic Associate Professor University of California Berkeley nees berkeley 2 1 What Can We Do Conventional structural tests Cyclic quasi static loading Long stroke and high force A variety of boundary conditions and test configurations Advanced measurement and control systems Hybrid simulation 3 Conventional Tests 4 2 Structural Elements 5 Structural Connections 6 3 Structural Systems 7 Material Properties 8 6806E 05 fc 8 fs 60 fsp 150 Es 29000 Esp 29700 Ec 5098 fr 0 67 3 kip in ksi ksi ksi ksi ksi ksi ksi Cross Section Loading Direction Loading Direction Position and Limits axis strong position beside Tension 0 ksi lim 0 05 in 0 5 Wall Configuration Wall 1 Blocks 12 PT rods 12 FPT 100 ePT 0 Wall 2 12 12 100 kip Reaction 12 Wall Configuration 12 0 in Geometric Wall Properties Single Double bw 48 0 96 0 d 116 0 116 0 h 120 0 120 0 c c 0 0 0 0 A 7915 5 15831 0 I 12576654 25153308 r 39 9 39 9 W 209611 419222 17 16 15 14 in in in in 2 in 4 in in 3 in 13 12 11 10 9 8 Blocks Reaction Wall 7 6 Controlling Sections for Stress Checks Section 1 Section 2 h 0 0 0 0 ft 0 0 0 0 2 A 15831 15831 in bw 96 0 96 0 in d 116 0 116 0 in 3 W 419222 419222 in FPT 2400 2400 kip ePT 0 0 0 0 in 5 4 3 2 1 0 8 4 REPEAT Frame Janise Rodgers and Steve Mahin 9 Actuators and Controllers Group A B C dynamic dynamic static 2 2 3 Force 140kips 620kN 125kips 550kN 220kips 980kN Stroke 10 25cm 20 50cm 32 80cm Velocity 20 in sec 50 cm sec 20 in sec 50 cm sec 25 GPM 100 l min Type Number 10 5 Control and Measurement Systems 11 Transducers Range Quantity Tilt meters Range Quantity Accelerometers 50 deg 2 2 g s 2 10 deg 6 4 g s 4 8 g s 2 Displacement 80 in 200 cm 3 40 in 100 cm 2 20 in 50 cm 8 10 in 25 cm 12 4 in 10 cm 12 2 1in 5 2cm 12 each Load cells 200 kips 900kN 6 20 kips 90 kN 2 Velocity 24 in sec 4 12 6 High Resolution Video System 13 Leica Cyrax HDS2500 Scanners Acquire 3d objects 14 7 VizEverywhere 2d 3d Projection System Enables 3d presentation of laser



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