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دانلود رایکان مقاله انگلیسی ISI با موضوع استفاده از زباله های شیشه‌ ای پودر شده در تولید سیمان و بتن

عنوان فارسی مقاله:

استفاده از زباله های شیشه‌ ای پودر شده در تولید سیمان و بتن

عنوان انگلیسی مقاله:

Utilization of waste glass powder in the production of cement and concrete

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بخشی از مقاله انگلیسی :

3. Materials, experimental program and testing

3.1. Materials

Natural siliceous sand with 2.4 fineness modulus and crushed pink lime stone with 12.5 mm nominal maximum aggregate size were used as a concrete aggregates. The used aggregate satisfied the ASTM C33-04 specification limits. Table 1 presents the grading and specification limits of used aggregates. Ordinary Portland cement according to ASTM C150 was used. This type of cement satisfies also the limits of ESS 2421-1993 specification limits. Chemical analysis of used cement is presented in Table 2. Glass powder with particles finer than 75 lm and 2.62 specific gravity is used in this research work. This powder was prepared by sieving on sieve No. 200 (75 lm). The grading of used glass powder using hydrometer method is shown in Fig. 2. Chemical analysis of glass powder is presented in Table 2. The particle shape and size of glass powder using scanning electron microscope is shown in Fig. 3. Type G high range water reducing admixture according to ASTM C494 was used. Potable water was used for mixing and curing processes.