Paper by VAN DER WALT NOTHNAGEL CILLIERS from ISCR 6th 1990
This paper presents aspects of liquid sealant installation and behaviour in joints in concrete roads under South African con-ditions. It covers joint preparation, installations techniques,quality control and field testing. A description of the generictypes of liquid sealants is given as well as behaviour charac-teristics obtained from laboratory tests which included: hard-ness before and after ageing, adhesion under different condi-tions, tear resistance, ultraviolet ageing and compression/tension cycles. A brief overview of design principles is alsogiven.
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