Codes of Practice (available as free downloads)
 
APG Special Report 1 (2008):A code of practice for the petrographic examination of mortars and related materials.
APG Special Report 2 (2010):
A code of practice for the petrographic examination of concrete.
APG Special Report 3 Part 1 (2010):
A glossary of terms and definitions related to petrography: Part 1 Aggregate Terminology
APG Special Report 3 Part 2 (2010):
A glossary of terms and definitions related to petrography: Part 2 Concrete Terminology
 
APG Special Report 4 (2019)
Determination of w/c ratio in hardened concrete, an international trial by the Applied Petrography Group.

Materials and Structures, (2020) 53:25 Wong et al.
Microscopy techniques for detrermining w/c ratio in hardened concrete:a round - robin asserssment (Materials and Structures, best paper for 2020).  
 




  
 
 





 

Air void analysis using fluorescence microscopy


E glass fibres in a mortar