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Studi Kuat Tekan dan Kuat Lentur Beton pada Perkerasan Kaku terhadap Variasi Saringan Agregat Kasar

机译:粗集料滤料变化中刚性路面的抗压强度和抗弯强度的研究

摘要

Rigid pavement construction is widely used in underlying soil conditions that hasa low bearing capacity, or on a soil with a conditions that has a non-uniform bearing capacity.However, in the fieldsometimes the work implementers had an issue with the limited materials that not meet the specifications that has been planned, so the use of the new materials or the existed materials in the location around are being chosen as an alternative. The methodology of this study is about the study of a compressive strength and flexural strength, with concrete cylinder testand theconcrete beam. The concrete mixtureis planned by using SNI 2002 method with two variations of the filter arrangements whichare a normal filter arrangement and a filter arrangement withoutthe filter with size 9,5 mm. After the test and the study being conducted, the result of the cylinder compressive strength test on concrete using normal filter arrangement yielded an average compressive strength of 41,84 MPa while for concrete using filter arrangement withoutfilter with size of 9,5 mm has an average around 45,11 MPa. The maximum compressive strength is achieved on the variation using both aggregates with an initial plan of 30 MPa. For the use of the filter arrangement without the filterwith size of 9.5 mm isincreased by 7.24%. The result of bending strength test on concrete using normal filter arrangement is around 4.32 MPa and while for the concrete without filter with size 9.5 mm has an average of 4.71 MPa. The maximum flexural strength of the concrete were achieved on the variation using the granules from the aggregate fraction of the sieve with an initial plan of 4 MPa, and while without the filter with size 9.5 mm stretched by 8.28% from the normal aggregate fraction. The stability value on the aggregate fraction of the filter strain without the filter with size of 9.5 mm has a higher compressive strength value than the aggregate fraction of the normal filter arrangement. Hence that the coarse aggregate fraction without 9.5 mm filter are more subtle, so the concrete pores are less formed and have a better density than the normal filter arrangement.
机译:刚性路面施工广泛用于承载力较低的基础土壤条件或承载力不均匀的土壤中,但是在现场,工作实施者有时会遇到材料不足的问题由于已经计划好了规格,因此正在选择使用新材料或周围环境中的现有材料作为替代方案。本研究的方法是用混凝土圆筒试验和混凝土梁来研究抗压强度和抗弯强度。通过使用SNI 2002方法规划混凝土混合物,其中过滤器布置有两个变体,分别是普通过滤器布置和不带尺寸为9.5 mm的过滤器的过滤器布置。经过测试和研究后,使用普通过滤器布置的混凝土的圆柱抗压强度测试结果得出平均抗压强度为41.84 MPa,而使用不带过滤器的9.5 mm过滤器的混凝土的平均抗压强度为平均值。约为45,11 MPa。使用初始计划为30 MPa的两种骨料,通过变化获得最大抗压强度。使用不带过滤器的过滤器装置时,将9.5毫米的尺寸增加7.24%。使用普通过滤器布置的混凝土的抗弯强度测试结果约为4.32 MPa,而不使用过滤器的9.5 mm尺寸混凝土的平均弯曲强度试验结果为4.71 MPa。通过使用初始计划为4 MPa的筛子骨料级分中的颗粒,以及不使用尺寸为9.5 mm的过滤器从正常骨料级分上拉长8.28%的筛分时,获得颗粒的最大抗弯强度。不具有尺寸为9.5 mm的过滤器的过滤器应变的总分数的稳定性值具有比正常过滤器布置的总分数更高的抗压强度值。因此,没有9.5毫米过滤器的粗骨料含量更细微,因此与常规过滤器布置相比,混凝土孔的形成少且密度更高。

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