›› 2009, Vol. 30 ›› Issue (6): 1681-1686.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

Research on compressibility of municipal solid waste by laboratory tests

WANG Zhi-ping1，HU Min-yun2，XIA Ling-tao1   

  1. 1. Zhejiang Vocational College of Construction, Hangzhou 311231, China; 2. College of Civil Engineering and Architecture, Zhejiang University of Technology, Hangzhou 310014, China
  • Received:2007-11-19 Online:2009-06-10 Published:2011-03-09

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Abstract:

54 samples, which are divided into 9 groups, are carried out in the lab to study the relationship among compression index of solid wastes, moisture content, organic content and void ratio. There are two groups of samples with different dimensions used to contrast the influences on dimensions. The influences of initial water content (w), initial void ratio (e0) and the content of easily degradable organic (B0) on compressibility of solid waste are analyzed emphatically. e0 changes from 2.5 to 4.6; w changes from 50 % to 100 %; B0 changes from 10.1 % to 45.1 %. The results show that compression indexes are from 0.824 2 to 1.234 6; modified indexes are from 0.165 9 to 0.243 6; they are basically consistent with similar foreign research results. The suggested value taking method of compression parameters considering initial physical parameters of municipal solid waste is proposed. It provides references for engineering practice.

Key words: municipal solid waste, laboratory consolidation test, compression parameter

CLC Number: 

  • TU 411
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