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Compressive Properties of Crushed Stone-Loess Reinforced with Geogrid
In order to study the mechanical properties of Crushed Stone-Loess (CSL), a mixture of loess and crushed stone, and Geogrid-reinforced CSL (GCSL), a series of unconfined compression tests were conducted using samples prepared respectively with CSL, GCSL, Pure Loess (PL) or Geogrid-reinforced PL (GPL). Samples varied either in the number of geogrid-reinforcement layers or in the relative compaction / in the content of crushed stone. Based on the analysis of the test results, the following conclusions are given: (1) The pattern of compressive stress-strain curves of GCSL changes gradually from obvious strain softening to strain hardening with the increase of the geogrid-reinforcement layers and the relative compaction. (2) While the compressive strain is greater than a certain value, the compressive strength of GCSL increases significantly with the increase of crushed stone content. (3) Under a larger compressive strain, the crushed stone inclusions improve apparently the compressive property of GCSL with closely spaced geogrid-reinforcement layers due to the interlocking between the crushed stone and the geogrid.
Compressive Properties of Crushed Stone-Loess Reinforced with Geogrid
In order to study the mechanical properties of Crushed Stone-Loess (CSL), a mixture of loess and crushed stone, and Geogrid-reinforced CSL (GCSL), a series of unconfined compression tests were conducted using samples prepared respectively with CSL, GCSL, Pure Loess (PL) or Geogrid-reinforced PL (GPL). Samples varied either in the number of geogrid-reinforcement layers or in the relative compaction / in the content of crushed stone. Based on the analysis of the test results, the following conclusions are given: (1) The pattern of compressive stress-strain curves of GCSL changes gradually from obvious strain softening to strain hardening with the increase of the geogrid-reinforcement layers and the relative compaction. (2) While the compressive strain is greater than a certain value, the compressive strength of GCSL increases significantly with the increase of crushed stone content. (3) Under a larger compressive strain, the crushed stone inclusions improve apparently the compressive property of GCSL with closely spaced geogrid-reinforcement layers due to the interlocking between the crushed stone and the geogrid.
Compressive Properties of Crushed Stone-Loess Reinforced with Geogrid
Hu, You-Chang (author) / Shen, Jun-Min (author) / Gu, Guang-Dou (author) / Cai, Hua-Nan (author)
2013
4 Seiten
Conference paper
English
Compressive Properties of Crushed Stone-Loess Reinforced with Geogrid
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