Assertion: asphalt | /r/HasAspect | pi
Facets:
value: between +
type: LOCATION
Source sentences:
text: A PI in excess of + 2 would indicate a gel structure of elastic properties and a thixotropic nature, while a PI of below − 2 would indicate a sol structure of Newtonian properties, whereas an asphalt exhibiting satisfactory rheological properties should have a PI between + 1 and − 1.