ISSN 2394-5125
 

Review Article 


COMPARING THE RESULTS OBTAINED FROM IN-SITU METHODS FOR DETERMINING THE STRENGTH OF THE CEMENT MORTARS

ALI SABERI VARZANEH; MAHMOUD NADERI.

Abstract
Nowadays, the in-situ evaluation of the cement masonry strength is inevitable. The in-situ methods of determining the strength are usually applied for evaluating the status quo and identification of the reason(s) of the masonry and materialsí failure. This article makes use of two in-situ methods, namely twist-off and friction-transfer, as well as standard laboratory methods to evaluate the mechanical properties of cement mortars, including compressive, flexural and tensile strength, in different ages and under various curing methods. Considering the differences in the performance of the above-mentioned in-situ methods, the results obtained from the two methods will be compared so that their differences can be figured out. Moreover, the correlation between the results obtained from the in-situ methods and the laboratory methods has been made clear and calibration curves have been offered for use in determining the mechanical properties of the mortars. The obtained results are expressive of a difference by about 30% between the readings obtained in in-situ twist-off and friction-transfer methods. Furthermore, there is a linear correlation found with a high intensity of 90% between the standard laboratory methods and the aforesaid in-situ methods.

Key words: cement masonry, mechanical properties, twist-off, friction-transfer, calibration curve


 
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How to Cite this Article
Pubmed Style

VARZANEH AS, NADERI M. COMPARING THE RESULTS OBTAINED FROM IN-SITU METHODS FOR DETERMINING THE STRENGTH OF THE CEMENT MORTARS. JCR. 2020; 7(4): 555-564. doi:10.31838/jcr.07.04.102


Web Style

VARZANEH AS, NADERI M. COMPARING THE RESULTS OBTAINED FROM IN-SITU METHODS FOR DETERMINING THE STRENGTH OF THE CEMENT MORTARS. http://www.jcreview.com/?mno=94824 [Access: March 24, 2020]. doi:10.31838/jcr.07.04.102


AMA (American Medical Association) Style

VARZANEH AS, NADERI M. COMPARING THE RESULTS OBTAINED FROM IN-SITU METHODS FOR DETERMINING THE STRENGTH OF THE CEMENT MORTARS. JCR. 2020; 7(4): 555-564. doi:10.31838/jcr.07.04.102



Vancouver/ICMJE Style

VARZANEH AS, NADERI M. COMPARING THE RESULTS OBTAINED FROM IN-SITU METHODS FOR DETERMINING THE STRENGTH OF THE CEMENT MORTARS. JCR. (2020), [cited March 24, 2020]; 7(4): 555-564. doi:10.31838/jcr.07.04.102



Harvard Style

VARZANEH, A. S. & NADERI, . M. (2020) COMPARING THE RESULTS OBTAINED FROM IN-SITU METHODS FOR DETERMINING THE STRENGTH OF THE CEMENT MORTARS. JCR, 7 (4), 555-564. doi:10.31838/jcr.07.04.102



Turabian Style

VARZANEH, ALI SABERI, and MAHMOUD NADERI. 2020. COMPARING THE RESULTS OBTAINED FROM IN-SITU METHODS FOR DETERMINING THE STRENGTH OF THE CEMENT MORTARS. Journal of Critical Reviews, 7 (4), 555-564. doi:10.31838/jcr.07.04.102



Chicago Style

VARZANEH, ALI SABERI, and MAHMOUD NADERI. "COMPARING THE RESULTS OBTAINED FROM IN-SITU METHODS FOR DETERMINING THE STRENGTH OF THE CEMENT MORTARS." Journal of Critical Reviews 7 (2020), 555-564. doi:10.31838/jcr.07.04.102



MLA (The Modern Language Association) Style

VARZANEH, ALI SABERI, and MAHMOUD NADERI. "COMPARING THE RESULTS OBTAINED FROM IN-SITU METHODS FOR DETERMINING THE STRENGTH OF THE CEMENT MORTARS." Journal of Critical Reviews 7.4 (2020), 555-564. Print. doi:10.31838/jcr.07.04.102



APA (American Psychological Association) Style

VARZANEH, A. S. & NADERI, . M. (2020) COMPARING THE RESULTS OBTAINED FROM IN-SITU METHODS FOR DETERMINING THE STRENGTH OF THE CEMENT MORTARS. Journal of Critical Reviews, 7 (4), 555-564. doi:10.31838/jcr.07.04.102