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landslides in pittsburgh pa
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<P>You are mistaken. The glaciers did not reach Pittsburgh.</P> <P>It is the topography of the region that favors land subsidence.</P> <P><A href="http://www.dcnr.state.pa.us/topogeo/maps/map7.pdf">http://www.dcnr.state.pa.us/topogeo/maps/map7.pdf</A></P> <P><A href="http://www.dcnr.state.pa.us/topogeo/hazards/es9.pdf">http://www.dcnr.state.pa.us/topogeo/hazards/es9.pdf</A></P> <P><A href="http://www.dcnr.state.pa.us/topogeo/education/es6/es6.pdf">http://www.dcnr.state.pa.us/topogeo/education/es6/es6.pdf</A></P> <P> </P> <P>Dave</P> <P> </P> <P>[quote user="mudchicken"]</P> <P>This may be an "ethics of the low bid thing" with the developer (not Wal-Mart, although the developer might be driven by Wal-Mart and it's presumed culture of low-balling ethics .)</P> <P>As flaky as geologists are, is there a geotechnical engineer in here too? Pittsburgh and Cincinnati are built on glaciated till which is not that uncommon for creating slip fault slides which you are taught from day one that you add to the potential of failure by placing overburden (and the effects of gravity) at the top of the slope . It will be interesting to see what the slope failure investigation turns up. </P> <P>(Was water the lubricant that triggered the slide on a layer of shale before stabilization piling was driven or cut (keyed-in) to anchor the hillside??)</P>[/quote]
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