Determination of Mechanical Properties of Cement Asphalt Mortar via UPV Method

被引：17
作者：
Qiu, Kechao [1 ]
Chen, Huisu [1 ]
Sun, Wei [1 ]
Sun, Lu [2 ]
Hong, Jinxiang [3 ]
Zhao, Guotang [4 ]
机构：
[1] Southeast Univ, Sch Mat Sci & Engn, Jiangsu Key Lab Construct Mat, Nanjing 211189, Jiangsu, Peoples R China
[2] Southeast Univ, Sch Transportat, Nanjing 211189, Jiangsu, Peoples R China
[3] Jiangsu Subote New Mat Co, Nanjing 210008, Peoples R China
[4] Beijing Shanghai High Speed Railway Co, Beijing 100038, Peoples R China
来源：
JOURNAL OF MATERIALS IN CIVIL ENGINEERING | 2014年 / 26卷 / 06期
基金：
中国国家自然科学基金;
关键词：
Cement asphalt mortar; Mechanical properties; UPV test; Strength determination; COMPRESSIVE STRENGTH; PULSE VELOCITY; CONCRETE; STABILITY; BEHAVIOR; EMULSION;
D O I：
10.1061/(ASCE)MT.1943-5533.0000939
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
To determine the mechanical properties of cement asphalt mortar (CAM) in the field, this contribution first presents a model to elaborate the relationship of strength to ultrasonic pulse velocity (UPV). Next, a mechanical test (compressive, flexural strength, and static modulus) and a UPV test are conducted on CAM at different ages to calibrate the proposed model. Finally, three fitted formulas are established based on the proposed model and verified with additional test results. Results suggest that a UPV test is a helpful method for estimating the mechanical properties of CAM in the field and can reach a high precision. (C) 2014 American Society of Civil Engineers.
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页数：5
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