Effect of Silica Fume on Workability and Water Impermeability of Concrete

2012 ◽  
Vol 238 ◽  
pp. 157-160 ◽  
Author(s):  
Fu Hua Wang ◽  
Sen Li
Keyword(s):  
Adverse Effect ◽  
Experimental Study ◽  
Silica Fume ◽  
Considerable Decrease

A designed experimental study has been conducted to investigate the effect of silica fume on workability and water impermeability of concrete, a large number of experiments have been carried out in this study. The results indicate that the addition of silica fume has adverse effect on the workability of concrete composite. The slump and flowability of the concretes containing silica fume is less than that of the concrete without silica fume, and a considerable decrease for the slump and flow of the concrete was observed by increasing the dosage of silica fume. Besides, the addition of silica fume can improve the water impermeability of the concrete composite evidently, and the water impermeability is becoming better and better as the silica fume content is increasing gradually.

Effect of Silica Fume on Dry Shrinkage and Freezing-Thawing Durability of Concrete

2012 ◽  
Vol 238 ◽  
pp. 165-168 ◽  
Author(s):  
Feng Li ◽  
Zai Peng Cui
Keyword(s):  
Adverse Effect ◽  
Experimental Study ◽  
Silica Fume ◽  
Considerable Increase ◽  
Shrinkage Strain ◽  
Dry Shrinkage ◽  
Shrinkage Property ◽  
Durability Of Concrete

An experimental study has been conducted to investigate the effect of silica fume on shrinkage and freezing-thawing durability of concrete, a large number of tests have been carried out in this study. The results indicate that the addition of silica fume has adverse effect on the dry shrinkage property of concrete. The dry shrinkage strain of the concrete containing silica fume is more than that of the concrete without silica fume, and a considerable increase for the dry shrinkage strain of the concrete was observed by increasing the dosage of silica fume. However, the addition of silica fume can improve the freezing-thawing durability of the concrete evidently, and the freezing-thawing durability is becoming better and better as the silica fume content is increasing gradually.

EXPERIMENTAL STUDY ON GEOPOLYMER PASTE BLENDED WITH SILICA FUME

2020 ◽  
Vol 85 (769) ◽  
pp. 321-330
Author(s):  
Palamy PHOMMAHAXAY ◽  
Saya IOROI ◽  
Shigemitsu HATANAKA
Keyword(s):  
Experimental Study ◽  
Silica Fume ◽  
Geopolymer Paste

scholarly journals A STUDY OF THE EFFECT OF THE PHYTOCHEMICAL CONTENT OF P. AMERICANALEAF ON HEMATOLOGICAL SYSTEM OF ALBINO RATS

2021 ◽  
Vol 9 (04) ◽  
pp. 464-467
Author(s):  
Ngozi a ◽  
◽  
N. Omeke ◽  
Haruna M. Ndahi ◽  
◽  
...  
Keyword(s):  
Adverse Effect ◽  
Experimental Study ◽  
Aqueous Extract ◽  
Leaf Extract ◽  
Control Group ◽  
Albino Rats ◽  
Phytochemical Content ◽  
Other Substances ◽  
And Control ◽  
Experimental Group

Given the medicinal importance of the avocado plant in alternative medicine,the present study aimed to study the effect of the phytochemical content of P. americana leaf extract on the hematological system of albino rats. Albino rats were obtained andclustered into sixgroups,with five rats per groupsimultaneously were assigned experimental and control. The rats in the experimental group were administered with varying doses of the prepared aqueous extract of P. americanawithin the period of the study. The rats in the control group were administered with other substances such as water and feed for the study period.The hematological system of the experimental animal was assessed after the administration of the extract, and it was observed that the aqueous extract of P. americana leaf recorded no significant adverse effect on the hematology system of the experimental study animal.

scholarly journals An Experimental Study on Self Consolidating Concrete with Silica Fume and Glass Fibre

2016 ◽  
Vol V5 (12) ◽  
Author(s):  
M. Vidhya ◽  
E. Ezhilarasi ◽  
M. Nandhini Chella Kavitha ◽  
K. Rubini ◽  
Keyword(s):  
Experimental Study ◽  
Silica Fume ◽  
Glass Fibre ◽  
Self Consolidating Concrete

Effect of Silica Fume on Mechanical Properties and Carbonation Resistance of Concrete

2012 ◽  
Vol 238 ◽  
pp. 161-164 ◽  
Author(s):  
Qing Long Wang ◽  
Jun Chao Bao
Keyword(s):  
Mechanical Properties ◽  
Experimental Study ◽  
Elastic Modulus ◽  
Silica Fume ◽  
Compression Strength ◽  
Considerable Increase ◽  
Carbonation Resistance

A designed experimental study has been conducted to investigate the effect of silica fume on mechanical properties and carbonation resistance of concrete, a large number of experiments have been carried out in this study. The results indicate that the addition of silica fume has improved the compression strength and elastic modulus of concrete. A considerable increase for the compression strength and elastic modulus of the concrete was observed by increasing the dosage of silica fume. Besides, the addition of silica fume can improve the carbonation resistance of the concrete composite evidently, and the carbonation resistance is becoming better and better as the silica fume content is increasing gradually.

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