Assertion: brick's strength | /r/HasProperty | 23.4 mpa
Facets:
Source sentences:
text: The 28-day strength of the 1:¼:3 cement–lime mortar was 23.4 MPa when strain measurements started on test specimens stored in an environment of 50% RH and 20 °C; after 400 days, vertical shrinkage levels of the wall and pier were 430 and 640 × 10−6, respectively.