Identification of initial settlement of municipal solid waste layers in Indonesian landfill.

This study presents the measurement of municipal solid waste (MSW) compressibility and subsequent development of a landfill settlement estimation model incorporating a correction factor accounting for initial settlement prior to the addition of pressure/municipal solid waste layers. Three layers of municipal solid waste obtained from a temporary waste station in Bandung, Indonesia, were placed in each of three different lysimeters/treatments (MSW, layer height 35 cm; MSW, layer height 70 cm; and MSW, layer height 35 cm), with a time lag of sample layer input of 2 days. Tests were then undertaken based on the ASTM D2435 test standard - Standard Test Method for One-Dimensional Consolidation Properties of Soils - revealing large immediate and secondary compression ratio values reflecting the high moisture and organic matter content of the analysed municipal solid waste.