Page 232 - New Trends in Eco efficient and Recycled Concrete
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200                               New Trends in Eco-efficient and Recycled Concrete


                20%
                                                                 Falade A
             Change compressive resistance at 7 days (%)  –10%   Adewuyi B
                10%
                                                                 Falade B
                                                                 Falade C
                 0%
                                                                 Adewuyi A
               –20%
                                                                 Yang05 A
               –30%
                                                                 Yang05 B
               –40%
                                                                 Yang05 Aa
               –50%
                                                                 Yang05 Ba
                                                                 Yang10
               –60%
               –70%
                                                                 Richardson B
               –80%
                                                                 Cuarado-Rica
                    0  10   20  30  40  50   60  70  80  90  100  Richardson A
                                                                 Nor Hazurina
                                 % Aggregate substitution
                        Periwinkle  Scallop   Oyster  Cockle
         Figure 8.5 Variation of compressive resistance at 7 days in concrete with marine shells as
         aggregates.                                              Falade A






              Variation compressive resistance at 28 days (%)  –10%  Falade B
                20%
                10%
                                                                  Falade C
                 0%
                                                                  Adewuyi A
                                                                  Adewuyi B
               –20%
                                                                  Yang05 A
               –30%
                                                                  Yang05 B
               –40%
                                                                  Yang05 Aa
               –50%
                                                                  Yang05 Ba
               –60%
                                                                  Yang10
               –70%
               –80%
                                                                  Nguyen VA
               –90%
                                                                  Nguyen VB
              –100%
                                                                  Nor Hazurina
                   0   10  20   30  40  50   60  70   80  90  100  Sugiyama
                                                                  Sabari
                                 % Aggregate substitution         Nguyen CA
                                                                  Nguyen CB
                           Periwinkle  Scallop   Oyster
                           Crepidula         Cockle               Nguyen CC
         Figure 8.6 Variation of compressive resistance at 28 days in concrete with marine shells as
         aggregates.
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