Results 21 to 30 of about 49,645 (208)

Study Pembuatan Durable Cement dengan Penambahan Pozzolan Silica Fume

open access: yesJurnal Teknik Kimia dan Lingkungan, 2018
Selama ini silica fume dikenal sebagai bahan campuran pembuatan beton karena dapat meningkatkan kuat tekan beton, menurunkan permeabilitas beton dan memiliki ketahanan sulfat yang tinggi.
Nanik Hendrawati   +2 more
doaj   +1 more source

Pengaruh Substitusi Sebagian Agregat Halus Dengan Serbuk Kaca Dan Silica Fume Terhadap Sifat Mekanik Beton [PDF]

open access: yes, 2015
Limbah serbuk kaca dan pecahan kaca banyak yang dibuang langsung di tanah maupun di sungai dalam jumlah yang relatif banyak sehingga mencemari lingkungan.
Suwignyo, J. J. (Johanes)
core   +1 more source

Changes in the chemical composition of silica fume in the concrete composite system

open access: yesCase Studies in Construction Materials, 2023
The paper demonstrates a spontaneous change in the micro-chemical composition of silica fume micropellets in a composite system of concretes with pozzolans admixtures.
Aleš Frýbort   +3 more
doaj   +1 more source

Influence of Silica Fume Content on Performance of High - Performance Concrete [PDF]

open access: yesE3S Web of Conferences, 2021
The influence of different silica fume content on the slump, expansion, compressive strength and flexural strength of high-performance concrete was studied. The results show that with the increase of silica fume content, the slump, expansion, compressive
Zhang Heng-Yuan   +2 more
doaj   +1 more source

A new approach to improve mechanical properties and durability of low-density oil well cement composite reinforced by cellulose fibres in microstructural scale [PDF]

open access: yes, 2018
In this research, a new approach was carried out to investigate the effect of incorporating cellulose fibres and silica fume into low-density oil well cement.
Austin, Stephen   +6 more
core   +1 more source

Compressive Strength and Surface Absorption of High Strength Silica Fume Concrete Under Different Curing Conditions

open access: yesThe Journal of Engineering Research, 2007
The effect of curing conditions and silica fume replacement on the compressive strength and the initial surface absorption of high performance concrete is reported. The silica fume contents were 5, 10, 15 and 20%, by weight of cement.
S.K. Al-Oraimi   +3 more
doaj   +1 more source

The effect of Persian Gulf tidal zone exposure on durability of mixes containing silica fume and blast furnace slag [PDF]

open access: yes, 2009
In this research the performance of cement paste and concrete mixes incorporating 7% and 10% of silica fume (SF) as a cement replacement was investigated in three exposure conditions. The results showed that plain type II portland cement performed better
Ganjian, Eshmaiel   +1 more
core   +1 more source

Effect of Micro- and Nano-Zeolite/Silica Fume on the Mechanical and Durability Characteristics of Reactive Powder Concrete [PDF]

open access: yesJES: Journal of Engineering Sciences
Silica fume is an essential additive in Reactive Powder Concrete (RPC), as it promotes hydration and densifies the microstructure. In this research, silica fume was partially or fully replaceded with zeolite, introducing a novel 1:1 calcinated zeolite ...
Mohammed Arab   +2 more
doaj   +1 more source

Experimental Study on the Performance and Micro-mechanism of Concrete Channel Adhesive Modified by High-activity Silica Fume

open access: yesGuan'gai paishui xuebao, 2023
【Objective】 Soil salinization in the Ningxia Yellow River diversion irrigation area has been found to damage the microstructure and reduce the strength of concrete linings of the channels.
ZHANG Xuanshuo   +3 more
doaj   +1 more source

SELF FIBER COMPACTING CONCRETE (SFCC) PROPERTIES INCORPRATED WITH SILICAFUME AND FIBER [PDF]

open access: yesCivil Engineering Journal, 2020
SFCC is oneof theself-compactingconcrete innovations. With the presence of fiber, this concrete is not only famous for its own compaction process but also has good tensile strength and good ductility when compared to normal Self Compacting ...
Hakas Prayuda   +3 more
doaj   +1 more source

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