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TEST OF IMPACTING COMPACTION OF A FILLED SILT MASS

Zhou Li-xin

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Abstract

Impacting compaction is a new method to strengthen soil mass. This method has many advantages, such as high efficiency and low cost. The depth influence of impacting compaction on the foundation meets requirements of road and airfield construction. With the example of a large filled silt project, this paper discusses techniques of impacting compaction. Based on characterization of silt, the impacting compaction is made and its effectiveness is determined. At the same time, additional laboratory tests and field observation are conducted, including observation of settlement, compacting test, load-settlement test, and modulus of elasticity test. Constructed with the parameters determined by testing, the project has gained both a good compaction effect and an obvious economic benefit.

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What this paper is about

Impacting compaction is a new method to strengthen soil mass. This method has many advantages, such as high efficiency and low cost. The depth influence of impacting compaction on the foundation meets requirements of road and airfield construction. With the example of a large filled silt project, this paper discusses techniques of impacting compaction. Based on characterization of silt, the impacting compaction is made and its effectiveness is determined. At the same time, additional laboratory tests and field observation are conducted, including observation of settlement, compacting test, load-settlement test, and modulus of elasticity test. Constructed with the parameters determined by testing, the project has gained both a good compaction effect and an obvious economic benefit.

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Available abstract

Impacting compaction is a new method to strengthen soil mass. This method has many advantages, such as high efficiency and low cost. The depth influence of impacting compaction on the foundation meets requirements of road and airfield construction. With the example of a large filled silt project, this paper discusses techniques of impacting compaction. Based on characterization of silt, the impacting compaction is made and its effectiveness is determined. At the same time, additional laboratory tests and field observation are conducted, including observation of settlement, compacting test, load-settlement test, and modulus of elasticity test. Constructed with the parameters determined by testing, the project has gained both a good compaction effect and an obvious economic benefit.

Key concepts: Compaction, Geotechnical engineering, Silt, Dynamic compaction, Settlement (finance), Proctor compaction test, Engineering, Geology

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