This CEN-Report """"Physical Consistency"""" derives from the Desk Studies """"Physical Properties -Flowability""""(HORIZONTAL Report No. 21 [60]) and """"Physical Properties - Solidity, Thixotropic Behaviour andPiling Behaviour"""" (HORIZONTAL Report No. 22 [61]) of the Horizontal Project. The """"Horizontal"""" project hasthe objective to develop horizontal and harmonised European standards in the fields of sludge, bio-waste andsoil to facilitate regulation of these major streams in the multiple decisions related to different uses anddisposal governed by EU Directives. The Horizontal Project includes the Work Package 7 """"Mechanicalproperties"""" consist