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Re: Earthquake in Colombia.[Subject Prev][Subject Next][Thread Prev][Thread Next]
- To: seaint(--nospam--at)seaint.org
- Subject: Re: Earthquake in Colombia.
- From: "Juan C. Gray" <juangray(--nospam--at)col2.telecom.com.co>
- Date: Mon, 01 Feb 1999 10:51:22 -0800
I'm sorry ; I don't grasp what you mean. Can you please rephrase your question? Juan C. Gray Rodrigo Lema wrote: > > Any masonry interference failures? > > -----Mensaje original----- > De: Juan C. Gray <juangray(--nospam--at)col2.telecom.com.co> > Para: seaint(--nospam--at)seaint.org <seaint(--nospam--at)seaint.org> > Fecha: jueves, 28 de enero de 1999 12:57 > Asunto: Re: Earthquake in Colombia. > > The philosophy behind the Colombian seismic code is pure USA : it > evolved from ATC-3 , UBC , ACI-318 , and AISC. This code was developed > by some very talented engineers , members of the Asociación Colombiana > de Ingeniería Sísmica. The code is periodically upgraded to reflect new > developments in this area, or to enforce stricter restrictions that > could not be imposed when the code appeared (1984). Before the code , we > used ACI-318 and SEAOC recommendations , but this was not mandatory , so > there is a very wide and recent gap on what to expect from buildings. > The greatest problem you will find in collapsed buildings will not be > the quantities of reinforcement , but how the reinforcement is placed . > You will be amazed. > The code provisions are supposed to be applied in ordinary construction > , but there is a lack of people qualified to evaluate and inspect.Some > towns do not even have an office in charge of this , and you are able to > build whatever you want. > The predominant system here is reinforced concrete with moment resistant > frames. The newer buildings use the combined system (shearwalls - moment > resistant frame) .For newer two or one story dwellings it is brick > masonry with confining columns , and for older construction it is brick > , or bamboo with earth > > The predominant failures in buidings : beam-column joint deterioration , > brought by inadequacy of reinforcement . In one story dwellings , there > are not enough masonry panels to resist lateral load , so they suffer > from absolute instability due to quicq failure of the wall panels , wich > usually support heavy roof loads and untreated wood structures. > > Rodrigo Lema wrote: > > > > It would be interesting if there are any Colombian engineers in > > this list (I think there are) to comment on the EQ. For instance, I'm > > interested in the following items: > > > > a) What's the philosophy behind the Colombian seismic design codes? > > b) Are they applied in everyday construction? > > c) Predominant structural systems & materials. > > d) More common types of failures. > > > > Also I think it would be great if these colleagues could send some > > pictures to post in the seaint wwwsite. > > > > TIA. > > > > Rodrigo Lema, Mendoza, Argentina (We still waitin' for our big one) > > > > > > > > > > > >
- RE: Earthquake in Colombia.
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- RE: Earthquake in Colombia.
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