使用泡沫塑料可以代替FAS 0.4的普通混凝土浮力

IF 0.3 Q3 MEDICINE, GENERAL & INTERNAL
D. Wardana, Gilang Fadhlurrahman Evriantama, Muhtarom Riyadi
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引用次数: 0

摘要

混凝土是一种常用于结构工程的材料。然而,混凝土有一个缺点,即其比重足够高,从而使结构上的恒载变大。处理高混凝土密度的一种方法是使用泡沫塑料废料代替一些细骨料。本研究以泡沫塑料作为细骨料的部分替代品,对0.4fas混凝土的物理力学性能以及抗压强度、劈拉强度和弹性模量的最佳值进行了研究。所用的研究方法是一种实验方法,将试验对象制成直径为15厘米、高度为30厘米的混凝土圆柱体。所用混凝土混合物的组成为1 Pc:2Ps:2Kr的体积比,fas为0.4。使用的发泡胶变体是正常混凝土混合物中细骨料体积比的10%、20%和30%。在7、14、21和28天龄期对混凝土的力学性能进行测试,以进行混凝土抗压强度测试,并在28天龄段对混凝土的劈拉强度和弹性模量进行测试。结果表明,除10%的变化外,混凝土的抗压强度随着混凝土的龄期和泡沫塑料的添加量的变化而增加。对于劈裂抗拉强度测试,随着发泡胶变化的增加,弹性模量增加,而弹性模量在10%变化时降低,而在20%和30%变化时增加。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
PEMANFAATAN STYROFOAM SEBAGAI PENGGANTI SEBAGIAN AGREGAT HALUS PADA BETON DENGAN FAS 0.4
Concrete is a material commonly used for structural work. However, concrete has one disadvantage, namely that its specific gravity is high enough so that the dead load on a structure becomes large. One way to deal with high concrete density is to use Styrofoam waste as a substitute for some of the fine aggregate. This research was conducted to examine the physical and mechanical properties as well as the optimum value of compressive strength, split tensile strength and modulus of elasticity of concrete with a 0.4 fas using Styrofoam as a partial substitute for fine aggregate. The research method used is an experimental method by making the test object in the form of a concrete cylinder with a diameter of 15 cm and a height of 30 cm. The composition of the concrete mixture used is a volume ratio of 1 Pc: 2 Ps: 2 Kr with a fas 0.4. The styrofoam variations used are 10%, 20%, and 30% of the ratio to the volume of fine aggregate in normal concrete mixtures. Testing of the mechanical properties of concrete was carried out at the age of 7, 14, 21, and 28 days for the concrete compressive strength test, and 28 days for the split tensile strength of the concrete, and the modulus of elasticity. The results showed that the compressive strength of the concrete increased with the age of the concrete and the addition of the styrofoam variations with the exception of the 10% variation. For the split tensile strength test, there was an increase in line with the increase in the styrofoam variation, while the modulus of elasticity decreased at 10% variation against 0% variation and increased at 20% and 30% variation with 0% variation.
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来源期刊
Ceylon Medical Journal
Ceylon Medical Journal MEDICINE, GENERAL & INTERNAL-
自引率
0.00%
发文量
16
期刊介绍: The Ceylon Medical Journal, is the oldest surviving medical journal in Australasia. It is the only medical journal in Sri Lanka that is listed in the Index Medicus. The CMJ started life way back in 1887 as the organ of the Ceylon Branch of the British Medical Association. Except for a brief period between 1893 and 1904 when it ceased publication, the CMJ or its forbear, the Journal of the Ceylon Branch of the British Medical Association, has been published without interruption up to now. The journal"s name changed to the CMJ in 1954.
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