Construction Technology of Treatment Measure of Swelling Rock Slope Replaced Backfilling Clay

Feng Yi Tan; Rong Hua Zou; Han Bing Hu; Zu Kai Lin

doi:10.4028/www.scientific.net/AMR.168-170.2334

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 168-170Construction Technology of Treatment Measure of...

Construction Technology of Treatment Measure of Swelling Rock Slope Replaced Backfilling Clay

Abstract:

Replaced backfilling clay is one of the treatment measures in the Luwangfen swelling rock test Region of middle-route of South-to-North Water Division Project. First, by using 18 tons vibration roller compaction mechanism, on the condition of 3 different thicknesss and 5 different compaction times, settlement, dry density, water content and permeability coefficient are studied before and after the compaction test to find out the optimal thickness and compaction times. Then, by using different compaction mechanisms, the compaction effect is studied on the condition of the optimal thickness and compaction times. Results show that the compaction degree of replaced backfilling clay is 100.0% on the condition that the quantity of vibration bumping roller is above 18 tons, thickness of replaced backfilling clay is no more than 35.0cm and at least it is compacted at least 12 times. Finally, the construction parameters of compaction and related quality controlling index is proposed, which is provided as a reference for design, mechanism’s choice, compaction parameter and quality control index.

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Periodical:

Advanced Materials Research (Volumes 168-170)

Pages:

2334-2339

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.168-170.2334

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Online since:

December 2010

Authors:

Feng Yi Tan, Rong Hua Zou, Han Bing Hu, Zu Kai Lin

Keywords:

Compaction Test, Construction Technology, Replaced Backfilling Clay, South-to-North Water Division, Swelling Rock

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References

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