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[SEAOC] RE: [SEAOC] Re: Concret cracks[Subject Prev][Subject Next][Thread Prev][Thread Next]
- To: "seaoc(--nospam--at)power.net" <seaoc(--nospam--at)power.net>
- Subject: [SEAOC] RE: [SEAOC] Re: Concret cracks
- From: "Goodson, Mary/SFO" <MGoodson(--nospam--at)CH2M.com>
- Date: Fri, 20 Sep 1996 09:27:44 -0600
No....First learn to use spell check >---------- >From: Oeyvind Saeter[SMTP:oysater(--nospam--at)sn.no] >Sent: Thursday, September 19, 1996 11:23 PM >To: seaoc(--nospam--at)power.net >Subject: [SEAOC] Re: Concret cracks > >FISRT: >Before posting PLEASE clean up the SUBJECT line (remove all the [SEAOC] >things) so it will be easier to read the SUBJECT line. Have you ever tried >to find the Subject when there is 48 chars of garbage first? (Garbage = >[SEAOC] Re[SEAOC] Re ... etc) > >THEN CONCRETE CRACKS: >Normally cracs due to plastic shrincage is limitet in length (up to a couple >of meters), remark that i say normally - there is times you get long cracks. > >Shrinkage cracks has often a relative long length (relative to the >structure), for instance normal to the length of the structure and all >across it. > >On a slab on grade you will normally get plastical shrincage crakcs at a 45° >angle (with some exceptions). Shrinkage cracks will normally go paralell or >normal to the structures main lines (depending on the structure support and >whats on top of it.) > >Cracks due to external forsec (included erthquake) cracks get different >directions according to the type of forces and how/where the attack. >All types of cracks start at the week point of the strukture, for instance >corners - holes etc. > >The trouble regarded with evaluating cracks is that You often have to see >them (visual) to evaluate them. An idea in this matter is that if You have a >picture/diaphgram etc. you man put them on WWW and post the URL here. Pleace >do not attach pictures as some people pay for bytes mail received. (and >there is always problems with conversion etc.) >____________________________________________________________________________ > >Mr. Øyvind Sæter (Alternative: OEyvind Saeter) >M. Sc. in Civil Engineering - Structural Analysis and Concrete Technology. > >Email: oysater(--nospam--at)sn.no | oes(--nospam--at)pvv.ntnu.no | oes(--nospam--at)pvv.unit.no > All mail is forwarded to oysater(--nospam--at)sn.no >WWW : http:\\www.pvv.ntnu.no\~oes > >Disclaimer: > Information in this EMail has nothing to do with NTNU, PVV or my employer. >============================================================================ > > >... ***** >* This email was sent to you via Structural Engineers Association of >* California (SEAOC) email server. To subscribe (no fee) to the list, send >* email to seaoc(--nospam--at)seaoc.org and in the subject of the message type >* subscribe. Please leave the body of the message blank. To Unsubscribe, >* send email to seaoc(--nospam--at)seaoc.org and in the subject of the message type >* Unsubscribe. Please leave the body of the message blank. For questions, >* send email to seaoc-ad(--nospam--at)seaoc.org. Remember, any email you send to the >* list is free to public and maybe reposted without your permission. >* Make sure you visit our web site at: http://www.seaoc.org/seaoc. ******** * > ...
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