Cement mortars containing 0, i0 and 30 percent silica fume were prepared at water/cement + silica fume ratios of 0.45 and 0.60. Compressive strength, Ca(OH) 2 and non-evaporable water contents and pore-size distribution were monitored up to 180 days. Silica fume reacts with most of the Ca(OH) 2 for
The influence of silica fume on the compressive strength of cement paste and mortar
β Scribed by Houssam A. Toutanji; Tahar El-Korchi
- Publisher
- Elsevier Science
- Year
- 1995
- Tongue
- English
- Weight
- 876 KB
- Volume
- 25
- Category
- Article
- ISSN
- 0008-8846
No coin nor oath required. For personal study only.
π SIMILAR VOLUMES
Communicated by D.M. Roy) (Received May 3, 1984) HCP cylinders made with water/cement ratios = 0.3 and 0.5 were vacuum dried at I00Β°C before saturation in a range of polar liquids and nonpolar Cyclohexane. Compressive strength varied from I to 2.3 times the water-saturated strengths and was ordered
In the previous paper [1] modifications of Abrams and Bolomey formulas well applicable to evaluate the influence of fly ash upon the strength of concrete were proposed. In the submitted paper we present the example of utilization of the general form of proposed modifications to evaluate the complex
The microstructure of the transition zone between steel and cement paste, and the effect of replacing portland cement by two levels of condensed silica fume was studied. Even with a high level of cement replacement (16%), some calcium hydroxide crystals with preferred orientation are formed near the
The diffusion rate for chloride in cement paste is a parameter of major significance for the resistance of concrete structures to seawater environments. The results of this investigation show that an addition of silica fume or flyash in ordinary Portland cement paste considerably reduces the diffusi
The influence of silica fume on mechanical properties of concrete remains an important technical and research topic. In general, silica fume tends to increase ~e strength of concrete. It is generally believed that the main source of the increase in strength is due to the pozzolanic and microfiller e