T/CECS 552-2018 Technical specification for testing compressive strength of brick and mortar by pendulum bob knocking-in resistance method (English Version)
This regulation is divided into 5 chapters and 4 appendices. The main technical content includes: general principles, terms and symbols, testing instruments, testing technology, calculation and estimation of compressive strength of bricks and masonry mortars, etc.
T/CECS 552-2018 history
2018T/CECS 552-2018 Technical specification for testing compressive strength of brick and mortar by pendulum bob knocking-in resistance method