Buildings Having Base Isolation Technology

Spherical Sliding Isolation Systems

Damping Devices and Bracing Systems



Mackay School of Mines, University of Nevada - Reno, Nevada (retrofit)


Los Angeles City Hall, California (retrofit)



San Francisco International Airport, International Terminal, California


San Francisco City Hall, California (retrofit)

Oakland City Hall, California (retrofit)

Pasadena City Hall, Pasadena California



Caltrans Traffic Management Center, Kearney Mesa, California


Los Angeles County Emergency Operations Center, California




Los Angeles County Fire Command & Control Facility, California

Foothill Communities Law & Justice Center, County of San Bernardino, California

Utah State Capitol, Salt Lake City

Longest Solar Eclipse of 21st Century,

Global visibility chart. The eclipse began at sunrise eclipse on the left (India), and ended at sunset eclipse on the right (Pacific ocean)


MTSAT satellite image of solar eclipse over southeast China





Total eclipse from Kurigram, Bangladesh

These identically scaled photos compare the apparent diameter of the full moon (near apogee) to the nearly new moon (visible by earthshine) on the day before the solar eclipse near lunar perigee.




Total eclipse diamond ring from Kurigram, Bangladesh

Partial eclipse from Quezon City, Philippines

Solar eclipse from Wuhan, China



Phases of the solar eclipse from Lucknow, India

REQUIREMENTS FOR STRUCTURAL INTEGRITY

Opening in Slab

Placement of Opening:

Effects of Opening in Strength and Treatment
Placement of Reinforcement Around Opening


Strip Method to analyze Opening

Stress- strain Relationship of Steel

Stress-Strain Relationship of Different Grade Steels


Offset Method


Necking

Vertical Sand Drain

Spacing of Sand Drain:

Requirements For Footing

____________ 

Spreading of Load:

___________________________________________

Footing on Sloping ground:

Footing on Sloping ground:


-dl ≥ t

-dl ≥ 3 x hs

Footing on Sloping groundds ≥ 2 x w

Continental Drift

Drifting of Continents:


Mechanism Involved Drifting: