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- To: <seaint(--nospam--at)seaint.org>
- Subject: RE: IRAN QUAKE/can we discuss this?
- From: "Syed Faiz" <sfaiz(--nospam--at)saudioger.com>
- Date: Mon, 29 Dec 2003 10:14:25 +0300
Title: IRAN QUAKE/can we discuss ths?
You just did a part of light-throwing that I was looking for (...kidding!).
I am aware of the fact that Bam area (province of Kirman) is house to many ancient structures, very famous for vaulted structures (mostly adobe & non-engineered) that have survived previous tremors. I was just curious to know what happened this time around. And, from the news coverage I learn that this time it was disastrous, with +30,000 dead already. At least the very famous historic fort, that once stood with its grandeur, is now gone.
I was also curious to know if the local building Authorities have any seismic Code (engineered or non-engineered) in place and is made mandatory for application in all new construction and for strengthening of all old structures. Also other thing in my mind was some cue on the local geology.
I know from that last quake in Turkey a couple of years ago, 2000? (some where near Bursa in the north-west, if I am not mistaken), where a similar disaster, in terms of death toll & damages to the structures was experienced, and that was mostly to do with: bad design (no consideration for EQ resistant design), bad construction (poor material quality control), poor/loose/no control of building Authorities on local construction activities, coupled with the problem of liquefaction of sub-surface soil. I was just curious to know what contributed (principle causes) to such a large scale disaster here in Bam, although I am beginning to get an insight in to it already.
About that EERI that you mentioned in your mail: frankly I am not aware of this unless its got to do with the 1990's UN Decade of Natural Disaster Mitigation. I know for sure, the public sector Building Research Institutes in Pakistan, one of them called Council for Works & Housing Research (CWHR) and the academics are alive to seismic issues and are also cognizant with the international activities related to the same. In Pakistani Balochistan area (close to this site of disaster in Iran) we have in place a seismic bye-law, with both engineered & non-engineered seismic treatment for strenghtening of structures (called the bye-law of Quetta Development Authority) developed & promulgated in 1936, immediately after that famous EQ of 1935. This makes manadatory for all new construction in stones & adobe to follow certain guidelines to make the structures seismic resistant. There are guidelines also in place to strengthen the old structures for the same purpose. These are basically empirically established, cost-effective non-engineered treatments for low income housing. For other types of structures (in reinforecd concrete, steel & others) we have a National seismic Code in place also.
I had been to India in 1989 on a training program under SAARC (South Asian Association for Regional Cooperation) sponsored by the famous CBRI (Central Building Research Institute) in the ancient Roorkee University and had a chance to see works of the Earth Quake Research Center there. If I don't forget it was Dr. Arya (an internationally known researcher in EQ) who took us around & briefed us on their activities. I also noticed then that they had similar non-engineered treatments to offer to similar structures built in the north of India.
So, I was just curious to know from any body involved, especially any Iranian friend from this List, if he was aware of any details on the subject from the Iranian perspective. I would still like to know & learn from any body especially any Iranian engineer (and for that matter also from any Indian friend) on reserach activities on the subject (especially non-engineered treatment on old/existing structures) in their respecive countries.
Best regards & thanx in advance,
Syed Faiz Ahmad; MEngg, M.ASCE
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