The compressive strength of concrete and yield strength of the steel are two main material strengths that are to be tested during the construction.
STRUCTURE magazine Investigating Masonry Structures
Design Guide: Structural Load Calculations - CalcTree
Analysis of the accuracy of in-situ concrete characteristic compressive strength assessment in real structures using destructive and non-destructive testing methods - ScienceDirect
Full article: A practical guide on the quantification of value of information gained by structural health monitoring and application to historic masonry structures
What is Concrete Maturity? Measurement of Compressive Strength ASTM
Hardened Concrete Performance Guidelines for Construction Projects in New Zealand
Reinforced Concrete Beam Design {Step-By-Step Guide} - Structural Basics
Compressive Strength of Concrete Explained
Assess In-Situ Compressive Strength of Structure - Structural Guide
Triaxial Testing: A Beginner's Guide for Geotechnical Testing Engineers
Assess In-Situ Compressive Strength of Structure - Structural Guide