PENGARUH LIMBAH CANGKANG KERANG SEBAGAI SUBSTITUSI AGREGAT HALUS TERHADAP KUAT TEKAN BETON

Jurnal Sipil Krisna Pub Date : 2023-04-04 DOI:10.61488/sipilkrisna.v9i1.250

Syafiadi Rizki Abdillah, Sahrul Zulfikar, Yonas Prima

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Abstract

The development of concrete technology in trials of adding mixed ingredients continues to be carried out to obtain the desired strength and quality of concrete. The clam shells contain pozzolanic chemical compounds, namely lime which is expected to be used as a substitute for fine aggregate in a mixture of concrete constituents. This research was conducted to determine the compressive strength of concrete by utilizing shell waste as a substitute for fine aggregate of 0%, 15% and 25% with aging observed at 7, 14 and 28 days. This research carried out several material tests such as sieving, aggregate specific gravity, moisture content, silt content, wear and tear, organic matter, slump test and concrete compressive strength test. Based on the results of the study, it was found that the optimum strength in mixed variations with shell waste as a substitute for 15% fine aggregate obtained a compressive strength value of 14.09 MPa at 14 days. From the results of the research conducted, it can be concluded that the use of shell waste as a substitute for fine aggregate is not recommended for the manufacture of concrete in the world of construction, because the strength value of the concrete obtained does not meet the requirements of Standard SNI 7656: 2012

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用蛤蜊壳废料替代细骨料对混凝土抗压强度的影响

为了获得理想的混凝土强度和质量，混凝土技术的发展仍在不断地进行混合配料的试验。蛤壳含有火山灰化合物，即石灰，有望用作混凝土成分混合物中细骨料的替代品。本研究利用贝壳废料代替0%、15%和25%的细骨料，在老化7、14和28 d时测定混凝土的抗压强度。本研究进行了筛分、骨料比重、含水率、粉砂含量、磨损、有机质、坍落度试验和混凝土抗压强度试验等材料试验。研究结果表明，以壳废料代替15%细骨料混合变化时，14天抗压强度值为14.09 MPa。从研究结果可以得出结论，在建筑界不推荐使用贝壳废料代替细骨料来制造混凝土，因为得到的混凝土强度值不符合SNI 7656: 2012标准的要求

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Jurnal Sipil Krisna

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