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62 JOURNAL OF MATERIALS AND ENGINEERING STRUCTURES 7 (2020) 57–72 It is explained that the cement used is conforming to Iraqi Specification No. 5/1984. The current study used the fine aggregate that was saturated surface dry clean river sand and its properties are given in Table 3. Fine aggregate classes were obtained from sieve analysis is shown in Fig. 1. One can show that the actual grading curve falls at of Iraqi Specification limits No. 5/1984 limits. Clean river gravel of 12.5 mm upper limit size and specific gravity of 2.66 coarse aggregates utilized for all mixtures. Sieve results analysis, examination are illustrated in Fig. 2. It is observed grading of coarse aggregate conforms to Iraqi Specification No. 5/1984 limits. Clean potable water was utilized for both concrete mixes and curing of concrete samples. PE waste granules have been taken from recycled plastic factory located in the industrial area at Baghdad. It consists of fine particles of size less than 4.75 mm and grading of the used PE is shown in Fig. 3. Table 3 showed the waste plastic mechanical and physical properties measurement. A waste plastic specimen is illustrated in Fig. 4. Table 3- Average properties of PE used in this study Property Color Water absorption, 24 h (%) Density [kg/m3] Specific gravity Tensile strength [MPa] Modulus of elasticity [GPa] Values green color 0.02 1440 0.94 52.9 3.14 120 100 80 60 40 20 0 used sand maximum limit of Iraq Spe. minimum limit of Iraq Spe. 012345 Sieve size [mm] Fig. 1- Grading curves of the fine aggregate 120 100 80 60 40 20 0 used gravel minimum limit Iraqi Sp. maximum limit Iraqi Sp. 0 2 4 6 8 10 12 14 sieve size [mm] Fig. 2- Grading curves of the coarse aggregate passing [%] Passing [%]PDF Image | Properties of Concrete and Mortar with LDPE Aggregate
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