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Re: Base Isolators[Subject Prev][Subject Next][Thread Prev][Thread Next]
- To: seaint(--nospam--at)seaint.org
- Subject: Re: Base Isolators
- From: "Fariborz Tehrani" <fmtehrani(--nospam--at)hotmail.com>
- Date: Wed, 03 Nov 1999 14:10:55 PST
I forgot to add that first rubber bearings that were used around 1967 in Europe, had no reinforcing steel or lead core. There were made from natural rubber. I testes some kind of these bearings and I can say that their behavior is good , but is not excellent and as reliable as modern bearings.
Fariborz Tehrani, Phone: (310)509-8826 Civil Engineer Fax: (530)481-9532 BSCE, MSCE, PE Voice Mail: (877)743-6206 email: fmtehrani(--nospam--at)hotmail.com
From: Francis.Ang(--nospam--at)toyota.com.ph Reply-To: seaint(--nospam--at)seaint.org To: seaint(--nospam--at)seaint.org Subject: Base Isolators Date: Wed, 3 Nov 1999 16:31:18 +0800 I have some questions regarding the typical base isolators. Base Isolators areusing lead for their core. Any ideas why lead is being used ? Why not steel?I have to admit that I am not familiar with base isolation devices. And the steel plate between the rubber plate; Are these ordinary steel plates or do they have some properties that are unique for base isolation devices. The same question applies to the rubbers. Any comments or suggestions would be greatly appreciated. Thanks. A. Yango CE/SE TMP
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