Page 81 - ICJ Jan 2023
P. 81

TECHNICAL PAPER                                            COLLECTOR’S EDITION





                              3.  The   compressive  strength  of  recycled  4.  Buck, A.D., Recycled concrete as a source of
                                  aggregate concrete is relatively lower and   aggregate, Proceedings of symposium on energy
                                  the variation depends  on the strength  of   and resource conservation in cementandconcrete
                                  original (demolished) concrete from which the   industry, Canmet, Ottawa, 1976.
                                  aggregates have been obtained. This reduction   5.  __BCSJ, Proposed standard for the useof recycled
                                  is mainly caused by the bond characteristics of   aggregate and recycled aggregate concrete,
                                  recycled aggregate and the fresh mortar of the   Building Contractors Society of Japan, Committee
                                                                              on disposal and reuse of construction waste,
                                  recycled concrete.
                                                                              June 1981.
                              4.  It is advisable to carry out trial castings with   6.  Nixon, P.J., Recycled concrete as an aggregate for
                                  the recycled aggregate proposed to be used,   concrete- a review, RlLEM TC-37-DRC, Materials
                                  in order to arrive at the water content and mix   and Structures ,19,1986, No 111.
                                  proportions to suit the workability levels and   7.  Hasaba, 5., Kuwamura, M., Toriik, K., Takemoto,
                                  strength requirements respectively.         K.,  Drying  shrinkage  and  durability  of  the
                                                                              concrete made of recycled concrete aggregates,
                                                                              Trans.of  Japan  Concrete  Institute,Vol.  3,  1981,
                              ACKNOWLEDGEMENT                                 pp.55-60.

                              This  work  forms  part  of  the  All  India  Council  of   8.  Hansen,T.c., and Narud, H., Strength of recycled
                              Technical Education funded  project on “Cost-   aggregate made from crushed concrete coarse
                              effective  Construction  Techniques”.  The authors   aggregate, Concrete International -Design and
                              thankfully  acknowledge  the  financial  support   Construction, 5(1).
                              provided by the AICTE.                        9.  Gerardu,  J.J.A.,  Hendricks,C.F.,  Recycling  of
                                                                              road pavement materials in the Netherlands,
                              References                                      Rijkswaterstaat  Communications,  No.  38,The
                                                                              Hague, 1985.
                              1.  Masayoshi   Kakizaki,Minoru   Harada,
                                 Manufacturing  of  recovered  aggregate    10.   Ravlndrarajah, R.S.,  Tam,  T.C.,  Properties of
                                 through disposal and recovery of demolished   concrete made with crushed concrete as coarse
                                 concrete structures, Reuse of demolition waste,   aggregate, Magazine of Concrete Research, vo1.37,
                                 Proceedings of the 2nd International RILEM   No.I30, March 1985.
                                 symposium, Chapman and Hall, 1988, Vo1.2, pp  11. Chitharanjan,  N.,  Cost  reduction  techniques
                              2.  Hansen, T.C., Recycled aggregates and recycled   for  mass  housing  using  alternative  building
                                 aggregate  concrete,  Second  state-of-the-art   materials, The Indian Concrete Journal, Vol.71,No.5,
                                 report developments 1945-1985,RILEMTC-37-    May 1997, pp 259-268.
                                 DRC, Materials and Structures, 19, 1986, No 111,   12. ______IS 2386-1963 (Parts 1 to 8). Methods of Test
                                 pp. 201-246.                                 for Aggregate for Concrete,  Bureau  of  Indian

                              3.  Malhotra,V.M., The use of recycled concrete   Standards, New Delhi.
                                 as a new aggregate, Proceedingsofsymposium   13. ______ASTM C 330-1985, Standard specifications for
                                 on  energy  andresource  conservation  incement   light-weight aggregate for structural concrete, American
                                 andconcrete industry, Canmet, Ottawa, 1976.  Society for Testing Materials, Philadelphia, U.S.A.





                              Dr K. Ramamurthy, Assistant Professor, Building Technology and Construction Management Diivision,
                              Department of Civil Engineering. Indian Institute of Technology, Madras, Chennai-600 036.

                              K. S. Gumaste, Lecturer, Department of Civil Engineering. Walchand College of Engineering. Vishvambag,
                              Sangli 416415.


                                82    The Indian Concrete Journal | November 2018
   76   77   78   79   80   81   82   83   84   85   86