PRASETYADI, WAHID PUTRA (2018) PENGARUH PENAMBAHAN POZZOLAN PADA ORDINARY PORTLAND CEMENT TERHADAP KUALITAS POZZOLAN PORTLAND CEMENT. Bachelor thesis, UNIVERSITAS MUHAMMADIYAH PURWOKERTO.

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Abstract

Cement is one of the most widely used materials today. National cement
demand is currently estimated at 72 million tons per year. In order to meet this
great demand, several new breakthrough efforts need to be made, given the
availability of cements raw material is limited. One of the breakthroughs that can
be done is the use of alternative raw material that availability is still abundant,
for example is pozzolan.
Pozzolan can be added to Ordinary Portland Cement (OPC) to produce
Pozzolan Portland Cement (PPC). Pozzolan is used as an additional feedstock in
cement manufacturing because it contains reactive elements of silicates and
aluminates, such as cement. In addition, the use of pozzolan can also reduce
clinker factor, saving fuels, and reduce the impact of emissions generated in
cement manufacturing process.
The purpose of this research is to know how the effect of adding pozzolan
on OPC to PPC quality either chemical or physical properties. It is also to know
how the effect of OPC finesses t PPCo the chemical and physical properties of
PPC.
Research begins by made laboratory scale of OPC using test mill. After
initial analysis on OPC, OPC is mixed with pozzolan to produce PPC with
proportion of 6%, 12%, 18%, 24%, 30%, and 36% against OPC, then testing its
compressive strength, chemical composition and finesses. The result showed that
the addition of pozzolan will decrease the compressive strength of PPC and
increase the finesses of PPC significantly. Factors that decrease the compressive
strength of mortar are the reaction between alkali on cement and silica on
aggregate, because pozzolan has alkali content of K2O and Na2O, which is high
enough. In addition, less clinker proportions also decrease compressive strength,
as fewer clinkers are using, the less minerals such as C3S and C2S react with
water to form C-S-H compounds that affect compressive strength. The results of
the experiment is that up to 36% pozzolan proportion shows the value that is still
comply with SNI 15-0302-2004 standard on PPC terms.

Dosen Pembimbing: unspecified | unspecified
Item Type: Thesis (Bachelor)
Additional Information: Pembimbing: Endar Puspawiningtyas, S.T., M.T.
Uncontrolled Keywords: Ordinary Portland Cement, Pozzolan, Pozzolan Portland Cement, compressive strength, clinker
Subjects: T Technology > TP Chemical technology
Divisions: Fakultas Tekniik Dan Sains > Teknik Kimia S1
Depositing User: Iin Hayuningtyas
Date Deposited: 02 Mar 2018 00:44
Last Modified: 09 Dec 2024 03:28
URI: http://repository.ump.ac.id/id/eprint/7488

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