Fernando, Ivan (2018) Pengaruh penggunaan abu sekam padi terhadap kuat tekanan dan kuat lentur beton geopolimer. = effect of using rice husk ash for compressive strenght and fluxural strenght of geopolymer concrete. Bachelor thesis, Universitas Pelita Harapan.
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Abstract
Semen Portland merupakan salah satu material yang dalam produksinya
menghasilkan banyak emisi gas CO2 dan tidak ramah lingkungan. Sebagai respon
para ahli mulai mencari alternatif lain untuk menggantikan semen Portland
sebagai perekat pada beton. Salah satu material yang lebih ramah lingkungan dan
dapat digunakan sebagai alternatif semen Portland adalah semen geopolimer.
Beton yang dibuat dengan menggunakan semen geopolimer sering disebut sebagai
beton geopolimer.
Penelitian ini merupakan pengembangan dari penelitian beton geopolimer
yang telah dilakukan mulai tahun 2016 pada Universitas Pelita Harapan. Pada
penelitian ini, mix design paling optimal untuk kuat tekan dan kuat lentur beton
geopolimer dengan larutan NaOH 12M adalah beton geopolimer dengan 10% abu
sekam padi dengan hasil kuat tekan 57.59 MPa dan kuat lentur 10.28 MPa dengan
metode curing steam. Sedangkan mix design paling optimal untuk beton
geopolimer dengan larutan NaOH 8M adalah dengan 5% abu sekam padi dengan
hasil kuat tekan 44.12 MPa dan kuat lentur 6.40 MPa dengan metode steam
curing. Hal ini menunjukkan bahwa penggunaan abu sekam padi mampu
meningkatkan kekuatan beton geopolimer namun peningkatan yang dialami
cenderung lebih kecil dibandingkan dengan peningkatan beton semen Portland
yang juga menggunakan abu sekam padi. Untuk beton geopolimer peningkatkan
kekuatan lebih bagus didapatkan dengan mengubah konsentrasi larutan sodium
hidroksida (NaOH). / Portland Cement is type of material that in the production process resulted
in large amount of CO2 gas emission and harmful for environment. In response
the experts start to search for alternative materials to replace Portland cement as
binder in concrete. One of many materials that more environmentally friendly and
can be used to replace Portland cement is geopolymer cement. Concrete that being
produced using geopolymer cement is often called by geopolymer concrete.
This research is a development from previous research of geopolymer
concrete in Pelita Harapan University that already started from 2016. In this
research, an optimal mix design for concrete strength and workability using rice
husk ash for 12M NaOH solution is geopolymer concrete with 10% rice husk ash
with the result of compressive strength is 57.59 MPa and flexural strength 10.28
MPa with steam curing method. Meanwhile, the optimal mix design of
geopolymer concrete for 8M NaOH solution is geopolymer concrete with 5% rice
husk ash with the result of compressive strength is 44.12 MPa and flexural
strength of 6.40 MPa with steam curing method. This result conclude that using
rice husk ash for geopolymer concrete mixture is able to improve the strength of
geopolymer concrete but the improvement is lower than Portland cement concrete
that also using rice husk ash. For geopolymer concrete the improvement of
strength is higher by changing the concentration of sodium hydroxide (NaOH)
solution.
Item Type: | Thesis (Bachelor) |
---|---|
Creators: | Creators NIM Email ORCID Fernando, Ivan NIM00000006249 UNSPECIFIED UNSPECIFIED |
Contributors: | Contribution Contributors NIDN/NIDK Email Thesis advisor Hardjasaputra, Harianto NIDN0327086805, harianto.hardjasaputra@uph.edu |
Additional Information: | SK 21-14 FER p = 31001000148685 |
Uncontrolled Keywords: | Beton Geopolimer; Abu Terbang; Abu Sekam Padi; Kuat Tekan; Kuat Lentur; Geopolymer Concrete; Fly Ash; Rice Husk Ash; Compressive Strength; Flexural Strength. |
Subjects: | T Technology > TA Engineering (General). Civil engineering (General) |
Divisions: | University Subject > Current > Faculty/School - UPH Karawaci > Faculty of Science and Technology > Civil Engineering Current > Faculty/School - UPH Karawaci > Faculty of Science and Technology > Civil Engineering |
Depositing User: | Mrs Veronica Fitri Astuti |
Date Deposited: | 15 May 2021 14:30 |
Last Modified: | 27 Jun 2024 07:19 |
URI: | http://repository.uph.edu/id/eprint/25799 |