ANALISIS PENGARUH WAKTU PENGADUKAN BETON DENGAN MENGGUNAKAN MOLEN (CONCRETE MIXER ) TERHADAP KUAT TEKAN BETON

SETIOKO, HERA (2017) ANALISIS PENGARUH WAKTU PENGADUKAN BETON DENGAN MENGGUNAKAN MOLEN (CONCRETE MIXER ) TERHADAP KUAT TEKAN BETON. Bachelor thesis, UNIVERSITAS MUHAMMADIYAH PURWOKERTO.

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Abstract

The development of today's concrete technology has progressed rapidly with the existence of tools which can help in simplifying and accelerating the work of concrete stirring. In the execution of concrete work, many people have used the concrete mixer. This machine makes the mixture more evenly and perfectly mixed. Moreover, the stirring duration and its speed also significantly affect the result. In PBI 71-6.2.3., it is mentioned that the least stirring durationis 1.5-3.5 minutes after all materials have been inserted into the stirring drum. The research problem was what the effect of concrete stirring using concrete mixer toward concrete compressive strength of fc' 25 Mpa aged 7 days. The research aimed to find out the concrete compressive strength of fc' 25 Mpa related to the stirring length using the concrete mixer with the time variations of 1 minute, 1.5 minutes, 2.5 minutes, 3.5 minutes, and 4 minutes. The research result revealed that in 1 minute time variation, the compressive strength was 22.565 Mpa. In 1.5 minutes time variation, it was 24.983 Mpa, and the maximal compressive strength of 25.252 Mpa was obtained in 2.5 and 3.5 minutes time variation.

Item Type: Thesis (Bachelor)
Additional Information: Pembimbing: Amris Azizi, S.T., M.Si., dan Sulfah Anjarwati, S.T., M.Si.
Uncontrolled Keywords: concrete, length of stirring duration, concrete compressive strength
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Divisions: Fakultas Teknik > Teknik Sipil
Depositing User: Iin Hayuningtyas
Date Deposited: 20 Sep 2017 03:44
Last Modified: 20 Sep 2017 03:44
URI: http://repository.ump.ac.id/id/eprint/4303

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