Previous in Forum: Understanding the Value of (Shapes) in Earthquake Resistant Construction   Next in Forum: How Do I Find the Endurance of a Slab?
Close
Close
Close
10 comments
Guru

Join Date: Feb 2011
Posts: 7045
Good Answers: 206

Advances in Earthquake Resistance

11/19/2014 8:50 AM

I read this this morning, it fits with a recent thread on design.rollers are used in Japan on some taller buildings. I find this sliding concept interesting and inexpensive

http://news.stanford.edu/news/2014/october/shakehouse-quake-engineering-101614.html

Register to Reply
Interested in this topic? By joining CR4 you can "subscribe" to
this discussion and receive notification when new comments are added.

Comments rated to be "almost" Good Answers:

Check out these comments that don't yet have enough votes to be "official" good answers and, if you agree with them, rate them!
Guru

Join Date: Mar 2007
Location: at the beach in Florida
Posts: 31329
Good Answers: 1733
#1

Re: Advances in Earthquake Resistance

11/19/2014 10:59 AM

Like we have noise-cancelling technology, we need lateral movement cancelling technology for buildings....

__________________
Break a sweat everyday doing something you enjoy
Register to Reply
Guru

Join Date: Feb 2011
Posts: 7045
Good Answers: 206
#2
In reply to #1

Re: Advances in Earthquake Resistance

11/19/2014 11:25 AM

that would require a LOT of energy to counter the kinetic energy of a moving structure. I was thinking more along the lines of directing the energy of sliding into pushing down on existing pilings to stop the slide

Register to Reply
Guru
Hobbies - DIY Welding - New Member Hobbies - Target Shooting - New Member Engineering Fields - Civil Engineering - New Member United States - Member - New Member

Join Date: May 2009
Location: Red Hook, New York (Mid-Hudson River Valley)
Posts: 4364
Good Answers: 177
#3

Re: Advances in Earthquake Resistance

11/20/2014 9:10 AM

A percentage of that KE would be lost due to fictional losses and directed latterally and vertically into the underlying foundation, depending on the material utilized for the sliding bearing surfaces.

__________________
"Veni, Vidi, Vici"; hendiatris attributed to Gaius Julius Caesar, 47 B.C.
Register to Reply
Guru

Join Date: Mar 2007
Location: at the beach in Florida
Posts: 31329
Good Answers: 1733
#4

Re: Advances in Earthquake Resistance

11/20/2014 11:39 AM

Maybe a giant gyroscope mounted in the base of the building that started when tremors were detected...or several smaller ones....like the ones used on ships...to control dampening effects.....

http://en.wikipedia.org/wiki/Ship_stability#Gyroscopic_internal_stabilizers

__________________
Break a sweat everyday doing something you enjoy
Register to Reply
Guru
Hobbies - DIY Welding - New Member Hobbies - Target Shooting - New Member Engineering Fields - Civil Engineering - New Member United States - Member - New Member

Join Date: May 2009
Location: Red Hook, New York (Mid-Hudson River Valley)
Posts: 4364
Good Answers: 177
#5
In reply to #4

Re: Advances in Earthquake Resistance

11/20/2014 11:46 AM

But you need electric power to spool up the hydraulic motors to make this complicated Gizmo to work. Somehow, I don't think the electric grid is going to live after the first milliseconds of an event.

KISS.....include no outside energy sources that can be disrupted!

__________________
"Veni, Vidi, Vici"; hendiatris attributed to Gaius Julius Caesar, 47 B.C.
Register to Reply
Guru

Join Date: Feb 2011
Posts: 7045
Good Answers: 206
#6
In reply to #4

Re: Advances in Earthquake Resistance

11/20/2014 1:59 PM

I think that might slightly drive up costs

Register to Reply
Guru

Join Date: Feb 2011
Posts: 7045
Good Answers: 206
#7

Re: Advances in Earthquake Resistance

11/20/2014 3:01 PM

done a little differently for a bridgehttps://www.youtube.com/watch?v=cIm-7cmQwmw

Register to Reply
Guru
Hobbies - DIY Welding - New Member Hobbies - Target Shooting - New Member Engineering Fields - Civil Engineering - New Member United States - Member - New Member

Join Date: May 2009
Location: Red Hook, New York (Mid-Hudson River Valley)
Posts: 4364
Good Answers: 177
#8
In reply to #7

Re: Advances in Earthquake Resistance

11/20/2014 3:16 PM

Very interesting and ingenious!

I love it!!!!!!

__________________
"Veni, Vidi, Vici"; hendiatris attributed to Gaius Julius Caesar, 47 B.C.
Register to Reply Score 1 for Good Answer
Guru

Join Date: Feb 2011
Posts: 7045
Good Answers: 206
#9
In reply to #8

Re: Advances in Earthquake Resistance

11/20/2014 3:57 PM

looks as if its functional as well

Register to Reply
Guru

Join Date: Mar 2007
Location: at the beach in Florida
Posts: 31329
Good Answers: 1733
#10
In reply to #7

Re: Advances in Earthquake Resistance

11/20/2014 4:27 PM

I like the idea of 2 flex points rather then just the one....I was toying with the idea of a doubling of the sliding mechanism......with one mounted above the other, this would seem to further reduce the shock wave....I also like the flatter surface of the ball...which becomes a rounded cylinder....

__________________
Break a sweat everyday doing something you enjoy
Register to Reply Score 1 for Off Topic
Register to Reply 10 comments
Interested in this topic? By joining CR4 you can "subscribe" to
this discussion and receive notification when new comments are added.

Comments rated to be "almost" Good Answers:

Check out these comments that don't yet have enough votes to be "official" good answers and, if you agree with them, rate them!
Copy to Clipboard

Users who posted comments:

CaptMoosie (3); Fredski (4); SolarEagle (3)

Previous in Forum: Understanding the Value of (Shapes) in Earthquake Resistant Construction   Next in Forum: How Do I Find the Endurance of a Slab?

Advertisement