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     Research Journal of Applied Sciences, Engineering and Technology

    Abstract
2015(Vol.10, Issue:4)
Article Information:

Physical and Mechanical Properties of Injected Granular Soil with Thick Super Plasticized Grouts

Costas A. Anagnostopoulos, Giorgos Sapidis, Minas Tsiatis and Athanasios Tsarosi
Corresponding Author:  Costas A. Anagnostopoulos 
Submitted: January ‎23, ‎2015
Accepted: February ‎14, ‎2015
Published: June 05, 2015
Abstract:
The use of super-plasticizers in micro fine or regular cement-based grouts has become of vital importance in advanced professional grouting practices. These super-plasticizers play an important role in the production of more durable grouts with improved rheological characteristics. This report presents a laboratory study of the effect of a new-generation Polycarboxylate Super-plasticizer (PCE) on the inject ability of thick cement grouts into a coarse soil, under different grouting pressures, in comparison to that of a polynaphthalene (SNF) super-plasticizer. Finally, the physical (dry unit weight, porosity and permeability) and mechanical properties (compressive strength, elastic modulus) of grouted specimens with various grouts were examined. The experiments were conducted using different additive dosages with grouts proportioned with a water to cement ratio (w/c) of 0.33, 0.4 and 0.5, respectively. The results showed that PCE super-plasticizer is more effective than the SNF one for the increase of grout inject ability and the improvement of physical and mechanical properties of grouted soil.

Key words:  Cement grouting, strength, super-plasticizers, , , ,
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Cite this Reference:
Costas A. Anagnostopoulos, Giorgos Sapidis, Minas Tsiatis and Athanasios Tsarosi, . Physical and Mechanical Properties of Injected Granular Soil with Thick Super Plasticized Grouts. Research Journal of Applied Sciences, Engineering and Technology, (4): 425-437.
ISSN (Online):  2040-7467
ISSN (Print):   2040-7459
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