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7-14-04; 17:40 ;Lester Bulldin� ;3203955376 # 3/ 28 <br /> Article Request Page Page 1 of 26 <br /> nh► krenqi�e�►a�q <br /> '� �� T�C �-INICA � Vf$�A�RY <br /> ,. .., .... .,..,.., w . . .. ..� ..: .�... ., <br /> In-Situ Hydration of a Dry Concrete Mix <br /> David Roy Bohnhoff, Professor <br /> Univ.of Wisc.-Madison,460 Henry Mall,Madison,WI 53706,USA <br /> Zachary David Hartjes , Undergraduate Student <br /> Univ.of Wisc.-Madison,460 Henry Mall,Madison,WI 53706,USA <br /> David W.Kammel,Professor <br /> Univ.of Wisc.Madison,460 Henry Mall,Madi:on,WI 53706,USA <br /> Nathan P.Ryan , Undergraduate Student <br /> Univ.of Wisc.-Madison,460 Henry Mall,Madison,WI 53706,USA <br /> This is not a peer-reviewed article. <br /> Paper No: 034003 <br /> An ASAE Meeting Presentation <br /> Written for presentation at the <br /> 2003 ASAE Annual International Meeting <br /> Sponsored by ASAE <br /> Riviera Hotel and Convention Center <br /> Las Vegas,Nevada,USA <br /> 27-30 July 2003 <br /> Abstract .Hydration of a dry concrete mix after the xnix has been covered with soil is herein <br /> referred to as in-situ hydration.In this study,a aeries of dry concrete mix footings were hydrated <br /> in-situ by burying them in sand and subjecting them to different water treatments.Footings were <br /> removed and cored at 4, 12 and 24 weeks.Compression testa on these cores showed that in-situ <br /> hydration could pmducc concrete with strength comparable to a normally hydrated mix.Additional <br /> research is needed to determine how in-situ hydrated concrete strength is affected by aggregate <br /> properties,initiai compaction,confinement pressure,dry mix uniformity a,fter placement,as well as <br /> conditions related to water movement into the confined mix. <br /> Keywords.Concrete,Cement,Cement hydration,In-situ hydration,Hydration,Concrete <br /> placement,Dry concrete mix,Concrete moisture content,Concrete testing <br /> http://asae.fiymulti.com/request2.asp?JID=S&AII�14482&CII�In�/L0038c�&i=&T=1 6/4/2004 <br />