Experiment Of Early Age Strength Concrete Using Rice Husk Ash

Karimah, Wafiqotul and -, Ir. H. Suhendro Trinugroho M.T. (2017) Experiment Of Early Age Strength Concrete Using Rice Husk Ash. Skripsi thesis, Universitas Muhammadiyah Surakarta.

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Abstract

Concrete is a composite material (mixture) from some materials, which the main ingredient consist of a mixture of cement, fine aggregate, coarse aggregate, water and or whitout other added ingredients with a certain ratio. Improvement of the quality of concrete can be done by providing added ingredients, from some of the added ingredients such as rice husk ash in addition to improving the quality of concrete, can also affect the stress and strain on the concrete. Based on the above description, this study will use rice husk ash as a substitute of cement with a percentage of 0%, 7%, 9%, 11%, 13%, and 15% with concrete age is 1 day and 28 days to comparasion. The used water cement ratio (fas) design is 0.3. The result of testing compressive strength at the age of 1 day the value of compressive strength obtained on rice husk ash above on compressive strength of normal concrete (0 %) at 1 day age obtained 10.842 MPa meanwhile at 28 age can reach until 30.573 MPa, on 7 % use of Rice Husk Ash at 1 day age obtained 17.410 MPa meanwhile at 28 day age obtained 29.441 MPa, on 9 % use of Rice Husk Ash at 1 day age obtained 11.040 MPa meanwhile at 28 days age obtained 28.875 MPa. Meanwhile on 11 % use of Rice Husk Ash at 1 day age obtained 10.276 MPa and at 28 days age obtained 24.062 MPa, on 13 % use of Rice Husk Ash at 1 day age obtained 9.483 MPa and at 28 days age obtained 21.515 MPa, and on 15 % use of Rice Husk Ash at 1 day age obtained 9.115 MPa and at 28 days age obtained 19.250 MPa. For the quality of concrete age of 1 day the level of rice husk ash is best to strengthen the concrete is 7% and at the age of 28 days is 0%. The compressive strength will decrease or same as compressive strength of normal concrete, cause the use of rice husk ash with high percentage will need the time that slow for drying. Keywords : concrete, rice husk ash, early age strength concrete

Item Type: Karya ilmiah (Skripsi)
Uncontrolled Keywords: concrete, rice husk ash, early age strength concrete
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Divisions: Fakultas Teknik > Teknik Sipil
Depositing User: WAFIQOTUL KARIMAH
Date Deposited: 15 Aug 2017 02:37
Last Modified: 15 Aug 2017 02:37
URI: http://eprints.ums.ac.id/id/eprint/55042

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