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<br /> <br />Swelling soil damaged the Life Sciences Building at the <br />Southern Colorado State College campus near Pueblo. <br /> <br />40 <br /> <br />Land Use <br /> <br />Swell ing soi Is are not a geologic factor that by Itself <br />should dictate land use patterns. As a 50115 engineering and <br />foundation design challenge, swell ing sol Is can be managed <br />adequately 50 as to be secondary to other geologic! <br />construction considerations. Despite this available <br />knowledge and technical capability, swell ing soi 15 damage in <br />Colorado costs approximately $16 million annually In public <br />faci 1 Ity damage alone. <br /> <br />Case History <br /> <br />Severa I structures on the Southern Co I orado State Un i vers I ty <br />Campus northeast of Pueb 1 0 have been damaged because swe 11 i n9 <br />sol Is were not recognized or compensated for adequately in <br />design, construction and maintenance of bui ldings, sidewalks, <br />drIveways, and water lines. Water percolating Into dry 501ls <br />exposed by construction excavation caused the clays to <br />expand, exerting tremendous upward pressures. Floors, walls, <br />eei lings, si dewa I ks, water 1 i nes, dr i veways, and other <br />improvements have sustained an estimated $1.5 mill ion in <br />damages. <br /> <br />Case History <br /> <br />In 1976 at the site of the new maximum security faci J ity for <br />the Colorado State Prison In Fremont County, swelling 50115 <br />and bedrock were shown on geo I og I c maps. Fie I d <br />investigations and soi Is tests resulted in a remedial plan by <br />the geologic and s01 Is engineers, architect, bui lder and <br />others on foundation design, drainage and landscaping. <br />Mi II ions of dollars in potential damages were avoided. <br />