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Materials 2013, 6(12), 5713-5725; doi:10.3390/ma6125713

Evaluation of the Performance of Grouting Materials for Saturated Riprap

1,* , 1
1 Department of Civil Engineering, Chosun University, Gwangju 501-759, Korea 2 Daewoo Construction Co., Seoul 110-713, Korea
* Author to whom correspondence should be addressed.
Received: 22 October 2013 / Revised: 1 December 2013 / Accepted: 2 December 2013 / Published: 6 December 2013
(This article belongs to the Special Issue Construction Materials)
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In this study, four types of grout were developed to evaluate the effect of grouting of saturated riprap layers on ground water flow. The developed types of grout are divided into a quick-setting type and a general-type, and also into high and low viscosities. A number of grout tests were performed in a model acrylic chamber, 0.4 m in diameter and 2.0 m in length, for visual observation of injection. To reproduce the field flow condition of the saturated riprap layers (approach flow), the grout tests were carried out at 0 cm/s and 100 cm/s for the flow speed and 10 L/min for the grout injection speed after installing a flow injection opening on the lower part of the chamber. Based on the results of the grout tests, the injection of each grout in the saturated riprap layers was examined to find out the most effective grout.
Keywords: injection test; impermeability; grout; saturated riprap injection test; impermeability; grout; saturated riprap
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Kim, D.; Jung, S.; Cha, K. Evaluation of the Performance of Grouting Materials for Saturated Riprap. Materials 2013, 6, 5713-5725.

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