This paper presents the results of full scale field test on a segmental retaining wall constructed using waste types as the wall elements. The wall tested was 2.75m high, approximately 11.33m in woidth and constructed with a 1 in 5 face slpe. The wall was constructed by filling the tyres with the backfill material as they were positioned and then compacting backfill behind the tyres. The backfill consisted of a free draining local they were positioned and then compacting backfill behind the yres. The backfill consisted of a free draining local cobble. The wall was tested by progressively placing 1.2 tonne concrete blocks over an area behind the face at the top of the wall. Wall displacements (vertical and lateral) werre measured using conventional levelling methods to reflectors placed on the wall face. A mximum surfachare load of 83.5kPa was imposed with a corresponding maximum lateral wall deflection of 67mm. The paper describes the wall construction, testing and results. The results of laboratory tests performed to characterise the inter-element friction are also presented and the wall test results are compared with simple stability calculations. The results of the tst and the stability calculations indicate that the wall system is satisfactory for heights to at least 3m.
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