Nondestructive spectroscopic characterization of building materials

Aschalew Kassu; Lauren Walker; Rachel Sanders; Carlton Farley III; Jonathan Mills; Anup Sharma

doi:10.1117/12.2261886

19 April 2017 Nondestructive spectroscopic characterization of building materials

Aschalew Kassu, Lauren Walker, Rachel Sanders, Carlton Farley III, Jonathan Mills, Anup Sharma

Proceedings Volume 10169, Nondestructive Characterization and Monitoring of Advanced Materials, Aerospace, and Civil Infrastructure 2017; 101692V (2017) https://doi.org/10.1117/12.2261886
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2017, Portland, Oregon, United States

Abstract

The purpose of this research project is to demonstrate the application of Raman spectroscopy technique for characterization and identification of the distinct Raman signatures of construction materials. The results reported include the spectroscopic characterization of building materials using compact Raman system with 785 nm wavelength laser. The construction materials studied include polyblend sanded grout, fire barrier sealant, acrylic latex caulk plus and white silicone. It is found that, both fire barrier sealant and acrylic latex caulk plus has a prominent Raman band at 1082 cm^-1, and three minor Raman signatures located at 275, 706 and 1436 cm^-1. On the other hand, sand grout has three major Raman bands at 1265, 1368 and 1455 cm^-1, and four minor peaks at 1573, 1683, 1762, and 1868 cm-1. White silicone, which is a widely used sealant material in construction industry, has two major Raman bands at 482 and 703 cm^-1, and minor Raman characteristic bands at 783 and 1409 cm^-1.

Citation Download Citation

Aschalew Kassu, Lauren Walker, Rachel Sanders, Carlton Farley III, Jonathan Mills, and Anup Sharma "Nondestructive spectroscopic characterization of building materials", Proc. SPIE 10169, Nondestructive Characterization and Monitoring of Advanced Materials, Aerospace, and Civil Infrastructure 2017, 101692V (19 April 2017); https://doi.org/10.1117/12.2261886

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