Session No. 144
	Tuesday, 18 October 2005: 8:00 AM-12:00 PM
	
	
	T40.  Genesis, Behavior, Mapping, and Treatment of Collapsible Soils
	
	
	
		
	
	
	
 
	
	
	
		
	
   
    
	
		
			Paul M. Santi and Jonathan L. White, Advocates
		
 
	 
  
	
	
	
	
	 
	
		
	
	
		8:00 AM 
		
		
	
	
		
			
				RECOGNITION OF COLLAPSIBLE SOILS BASED ON GEOLOGY, CLIMATE, LABORATORY TESTS, AND STRUCTURAL CRACK PATTERNS
			
			
				
					SANTI, Paul, Dept Geology and Geological Engineering, Colorado School of Mines, Golden, CO 80401, psanti@mines.edu, psanti@mines.edu
 
			
			
				
			
		
	 
 
	
		
	
		
	
	
		8:30 AM 
		
		
	
	
		
			
				PARTICLE BREAKDOWN IN COLLAPSIBLE LOESS DEPOSITS IN SE IDAHO
			
			
				
					MAHAR, James W., College of Engineering/Department of Geosciences, Idaho State University, Campus Box 8060, Pocatello, ID 83209-8060 and GODFREY, Victor B., College of Engineering, Idaho State University, Campus Box 8060, Pocatello, ID 83209-8060, mahajame@isu.edu, mahajame@isu.edu
 
			
			
				
			
		
	 
 
	
		
	
		
	
		
	
	
		9:15 AM 
		
		
	
	
		
			
				COLLAPSIBLE SOILS IN THE UNCOMPAHGRE RIVER VALLEY
			
			
				
					HAUPTMANN, Laurie Brandt, Buckhorn Geotech, Inc, 222 South Park Ave, Montrose, CO 81401 and GRIEPENTROG, Thomas E., Buckhorn Geotech, Inc, 222 South Park Ave, Montrose,  81401, laurieh@buckhorngeo.com, laurieh@buckhorngeo.com
 
			
			
				
			
		
	 
 
	
		
	
		
	
		
	
		
	
		
	
	
		10:30 AM 
		
		
	
	
		
			
				BUREAU OF RECLAMATION EXPERIENCE WITH COLLAPSIBLE SOILS IN THE WESTERN US
			
			
				
					FARRAR, Jeffrey A., Earth Sciences and Research Laboratory, Bureau of Reclamation, US Department of the Interior, Denver Federal Center, Bldg67, rm 162, P O Box 25007 D-8340, Denver, CO 80127, jfarrar@do.usbr.gov, jfarrar@do.usbr.gov
 
			
			
				
			
		
	 
 
	
		
	
	
		10:45 AM 
		
		
	
	
		
			
				LONGITUDINAL CRACKING OF FLOOD RETARDING STRUCTURES RELATED TO COLLAPSIBLE SOILS
			
			
				
					HANSEN, Lawrence A.1, GREENSLADE, Michael D.
2 and LAMBERT, Larry K.
2, (1)AMEC Earth & Environmental, Inc, 1405 West Auto Drive, Tempe, AZ 85284, (2)Flood Control District of Maricopa County, 2801 West Durango Street, Phoenix, AZ 85009, lawrence.hansen@amec.com, lawrence.hansen@amec.com
 
			
			
				
			
		
	 
 
	
		
	
		
	
	
		11:15 AM 
		
		
	
	
		
			
				DYNAMIC DEEP COMPACTION TREATMENT OF COLLAPSIBLE SOILS IN WYOMING
			
			
				
					ROLLINS, Kyle M., Civil & Environmental Engineering, Brigham Young University, 368 CB, Provo, UT 84602 and FALK, Mark, Wyoming Department of Transportation, 5300 Bishop Blvd, Cheyenne, WY 82009, rollinsk@byu.edu, rollinsk@byu.edu