Orange County NC Website
Browse       Search
y <br /> . . <br /> l <br /> , • <br /> , , <br /> 4 <br /> Roller-compacted concrete <br /> From gravity,dams to heavy-duty pavements, RCC emerges . <br /> as an attractive construction material <br /> by Thomas C. Hale The development and application compaction techniques with a mini- <br /> Field Editor of RCC for water control projects mum of forms and joints. <br /> has progressed rapidly in the past Although there is no universal <br /> 4_ oiler-compacted concrete few years, according to Kenneth agreement as to a definition of <br /> is being used as an effec- Hansen, an engineer with the Rocky RCC, it can be broadly defined as a <br /> '�' .�" tive construction tool for Mountain-Northwest Regional Of- lean concrete of non-slump con-11 <br /> water control structures. The advent Tice, Portland Cement Association, tency-that is compacted by vibratory <br /> of RCC has made gravity dam con- Denver, Colo. Attention has been rollers. According to the AMir-I an <br /> struction competitive with embank- given to the concept of building a 'Concrete Institute, it differs from <br /> ment dam construction. concrete gravity dam using earth conventional concrete principally in <br /> \21,ii, <br /> ri-1;1 �t <br /> • <br /> - y'*_ 11 c . i ` <br /> •i t p. , • . . " <br /> k <br /> b 1 &:.4f " . / 1 *''. <br /> 1 - 4...:it' V : <br /> ha <br /> •r. ti M.•�• �•r Tt f L. a r <br /> - y ,j7t ..--...:7-....-,...••-y.� �y� -. i ' '.}-• 1F M1 <br /> •-• r _ ..\• . - _-- " "^...F"'.*ice'~-3` "'di_' --.f� . <br /> L::`S' .. `_ - - --,. - - -:.--- .r"-* ti p;* --j '---..,,2,• <br /> -4 — •f.r.:f - - Lt.a �. ••. j _ - . :t-..• --ti- __ -ice ''- 7-r—.. <br /> i....., _ -„:"v--.•..-r1-i = _ _•--...��`__ _ . _• : - --Sri..(~1� -_ A-r- i,,.- wp'� tom '7firr: : -y~ - _ Zi,- <..'" z�", _ -'r'J_ _ '---- �_ - <br /> _ _ -. <br /> polo <br /> �,.;. _ '1-.-= <br />