คอนกรีตและวัสดุก่อสร้าง
เอกสารมาตรฐาน
สหรัฐอเมริกา
AASHTO
M 201-21
Mixing Rooms, Moist Cabinets, Moist Rooms, and Water Storage Tanks Used in the Testing of Hydraulic Cements and Concretes
2021
5
HM42-2022 part 1
This specification includes requirements for mixing rooms, where paste and mortar specimens are prepared, and for moist cabinets, moist rooms, and water storage tanks, where paste, mortar, and concrete test specimens are stored.