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Recycling 2021, 6, 18 for lightweight building walls and concrete in Indonesia. Its physical characteristics and quality provided adequate consolidation in concrete mixes, and offers higher resistance to alkali-silica reaction, compared to other aggregates obtained from areas in East Kali- mantan. These aggregates were tested at the Faculty of Engineering Laboratory, Mulawarman University, Samarinda, following the ASTM C33-99a standard [33] for sieve analysis, results of this test for fine and coarse aggregate are shown in Figure 1. 4 of 19 quality provided adequate consolidation in concrete mixes, and offers higher resistance to which defines the adequate grading requirement and aggregate quality in concrete. The alkali-silica reaction, compared to other aggregates obtained from areas in East Kalimantan. Fine aggregate Upper limit (ASTM C33 Lower limit (ASTM C33 -99a) -99a) 100 80 60 40 20 0 0 1 10 Size (mm) (a) Coarse agregate Upper limit (AST Lower limit (AST M C33-9 M C33-9 9a 9a ) ) 100 80 60 40 20 0 1 10 100 Size (mm) (b) Figure 1. Aggregate size: (a) fine aggregate; (b) coarse aggregate. Figure 1. Aggregate size: (a) fine aggregate; (b) coarse aggregate. Thesuenaigt wgreigahttestewsteinregtoefstfeindeaatntdhecoFarcsueltaygogfreEgnagtienseweraisngcoLnadbuocrtaetdoruys, iMngutlahwe AarSmTaMn 33 CU2n9iv/Cer2s9iMty,-0S7amstarninddarad, f[o3l4lo].w2i.n5g5 gth/cemASfToMr thCe33co-9a9rasestagngdraergdat[e33a]nfdor2s.5ie4vge/acmnalyfosrist,hwehfinche 3 adgegfirneegsatheewaadseqoubatateingerda,dminegerteinqguitrheemsetnatnadnadrdagregqreugiraetme qeunatloitfy2i.n5–c2o.n7cgre/ctem. T.hTehreesteusltsforf cthoiasrstesatgfogrefignaeteaanbdrcaosiaornsewaagsgrceognadtuecatreedsuhsoiwngntihneFAigSuTrMe 1C. 131/C131M-20 standard [35] The unit weight testing of fine and coarse aggregates was conducted using the ASTM C29/C29M-07 standard [34]. 2.55 g/cm3 for the coarse aggregate and 2.54 g/cm3 for the fine aggregate was obtained, meeting the standard requirement of 2.5–2.7 g/cm3. The test for coarse aggregate abrasion was conducted using the ASTM C131/C131M-20 standard [35] and a result of 23% was obtained. This value was lower than the 27% ASTM limit. Table 2 provides the detailed physical properties of the materials used for mixing concrete. Percent passing (%) Percent Passing (%)PDF Image | Recycled HDPE Plastic Additions on Concrete Performance
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