Pengaruh Komposisi Glass Powder, Silica Fume, Viscocrete, Dan Kerikil Terhadap High Performance Self Compacting Concrete

Yonathan, Raymond Alexander (2016) Pengaruh Komposisi Glass Powder, Silica Fume, Viscocrete, Dan Kerikil Terhadap High Performance Self Compacting Concrete. Masters thesis, Institut Teknologi Sepuluh Nopember.

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Abstract

High Performance Concrete memiliki berbagai jenis yang berbeda-beda, salah
satunya adalah High Performance Concrete dengan kemampuan Self Compacting.
Selain mampu memadat dengan berat sendiri dan dapat mengisi celah-celah yang sulit
untuk dicapai oleh beton konvensional, High Performance Concrete juga memiliki
kuat tekan yang tinggi (± 50 MPa) serta ketahanan yang sangat baik.
Untuk mencapai sifat-sifat High Performance Concrete, dibutuhkan materialmaterial tambahan yaitu Silica Fume, Glass Powder, dan viscocrete. Digunakan
metode penelitian Taguchi untuk menghemat waktu penelitian, dengan matriks
orthogonal L9(34
) dengan 4 faktor dan 3 level yaitu kerikil (45%, 50% 55%), Glass
Powder (10%, 15%, 20%), Silica Fume (20%, 40%, 60%), dan Superplasticizer (0,8%,
1%, 1,2%). Rasio berat water/binder dikontrol sebesar 0,25.
Tes beton dibagi menjadi 2 tahap. Yang pertama adalah tes beton segar yaitu
tes Slump, tes V-funnel, dan tes L-box. Yang kedua adalah tes beton keras, yaitu tes
porositas pada hari ke-28 dan tes tekan beton dengan benda uji silinder yang berukuran
10 cm × 20 cm pada umur 3, 7, 14, 21, dan 28 hari dengan masing-masing tes
menggunakan benda uji sebanyak 3 buah. Analisa data pengetesan dilakukan dengan
menggunakan metode Taguchi.
Hasil penelitian menunjukkan bahwa pada analisa single-response, silica fume
memberikan pengaruh besar terhadap slump flow dan porositas, kerikil menunjukkan
pengaruh terbesar terhadap L-box dan tes tekan, namun pada v-funnel tidak
menunjukkan pengaruh material yang signifikan. Pada analisa multi-response, silica
fume memberikan pengaruh paling besar terhadap semua hasil pengetesan.
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High performance concrete has many different types. One of them is high
performance concrete with self compacting ability. It is self compacting and has filling
ability, as well as high compressive strength (± 50 MPa), and high durability.
To achieve high performance concrete, there are additional materials required
to be added, such as silica fume, glass powder, and superplasticizer. Taguchi method
is applied in this research, using orthogonal array L9(34
), 4 factors, and 3 levels with
variation of aggregate (45%, 50% 55%), glass powder (10%, 15%, 20%), silica fume
(20%, 40%, 60%), and superplasticizer (0,8%, 1%, 1,2%). Water to binder ratio was
be controlled at 0,25.
Concrete test were divided into 2 categories. The first was fresh state test, using
Slump test, V-funnel test, and L-box test. The second was hardened state test, which
are porosity test using 28 days and compressive strength test for 3, 7, 14, 21, and 28
days. To reduce the experimental trial, Taguchi’s data analysis method was used.
It was revealed that at single-response, silica fume contributed greatly to slump
flow and porosity. Coarse aggregate showed the greatest contributing factor to L-box
and compressive test. However, there is no significant result to V-funnel test. Using
multi-response, silica fume showed the greatest contributing factor to both fresh and
hardened state of concrete.

Item Type:	Thesis (Masters)
Additional Information:	RTS 620.136 Yon p 3100017068374
Uncontrolled Keywords:	High Performance concrete, glass powder
Subjects:	T Technology > TH Building construction > TH1461 Concrete construction.
Divisions:	Faculty of Civil Engineering and Planning > Civil Engineering > 22101-(S2) Master Thesis
Depositing User:	- Davi Wah
Date Deposited:	19 Feb 2020 02:54
Last Modified:	01 Dec 2020 06:39
URI:	http://repository.its.ac.id/id/eprint/74924

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