รายละเอียดเอกสาร

คอนกรีตและวัสดุก่อสร้าง

เอกสารมาตรฐาน

สหรัฐอเมริกา

AASHTO

PP 112-21

Recognizing Surrogate Test Methods

2021

11

HM42-2022 part 3

This practice describes a method to assess the capability of a surrogate test to be used as a substitute for a standard test. The surrogate tests must demonstrate the capability to provide test results similar to the standard test method with a minimum of additional variability. The test results from the standard and the surrogate are compared and the error in their relationship is quantified ...