ashraf habibullah videos on CSI Annual Celebration , President and CEO of computer and structures company (CSI Berkeley) :
The Advantage of a Ritz Analysis over an Eigen Analysis in Dynamics
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The Power of Virtual Work in Deflection Control of Structures
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Optimization in Design of Large Steel Structures
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When produced correctly, concrete can be extremely strong, with high load-bearing capacity and superior durability. Another noteworthy property is the relatively low amount of energy and resources consumed during production. Super-High-Strength High Performance Concrete brings together the results of a major research project by the National Natural Science Foundation of China and the Doctoral Foundation of the Ministry of Education of China. This ten-year project explored the properties, performance, and potential of super-high-strength high performance (SHSHP) concrete.
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ASD and LRFD Major Differences
•Load Combinations and load factors
•ASD results are based on the stresses and LRFD results are based on the forces and moments capacity
•Static analysis is acceptable for ASD but nonlinear geometric analysis is required for LRFD
•Beams and flexural members
•Cb computation
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good information in product selection and properties.
ROBINSON company is a leader company in seismic isolation in New Zealand.
there is 23 documents , which covers :
brochures
Dampers (LED +PVD +RVD )
Isolators (LRB + roglider + sliders)
Private Note:
impossible to find a lot of them !
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all files is OCR.
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This specification consists of the design and verification of the bearing design properties, manufacture, assembly, testing, supply, and delivery of the isolation system.
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ISOLATOR INSTALLATION SEQUENCES
WITHOUT RETROFIT
a) Form and reinforce column.
b) Position Template Type 1 and fix securely (Sketch 7).
c) Pour concrete to 25mm below underside of plate.
d) Remove Template Type 1.
e) Position bearings on 25mm steel shims (Sketch 8).
f) Grout base of bearing using Conbextra flowable grout with a “flow-through”
technique. Allow to cure (Sketch 9).
g) Cast beams on top of bearings (Sketch 10).
h) Tighten nuts to top and bottom plates.
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ISOLATOR INSTALLATION SEQUENCES
WITH RETROFIT
a) Form and reinforce column (or base structure).
b) Position template and fix securely (Sketch 11).
c) Pour concrete to 25mm below underside of plate.
d) Cast upper beams on top of template (Sketch 12).
e) Leave falsework for beams and slab in place.
f) Remove template (Sketch 13).
g) Apply paintable type epoxy to topside of upper bearing plate. Bolt bearing to
underside of upper beams. Securely tighten bolts (sketch 14).
h) Grout base using Conbextra flowable grout with “flow through” technique.
Allow to cure (Sketch 15).
i) Tighten nuts to lower plate.
j) Remove propping and false-work.
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File is OCR.
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good information in product selection and properties.
MIN company is a leader company in seismic isolation in Japan.
there is 1 document , which covers :
THK Base Isolation Catalog - Technical Book
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good information in product selection and properties.
MIN company is a leader company in seismic isolation in Singapore.
there is 7 documents , which covers :
ELASTOMERIC BEARING STRIPS
LAMINATED ELASTOMERIC BEARINGS
mechanical pot bearings
PLAIN ELASTOMERIC BEARINGS
PTFE Sliding Bearing catalogue
Stainless Steel Pot Brg catalogue_W
STRUCTURAL SEISMIC RUBBER BASE ISOLATION BEARINGS
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good information in product selection and properties.
GERB company is a leader company in seismic isolation in Germany.
there is 1 documents , which covers :
Spring Units , with and without Damping , Load Capacity of up to 57 KN
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