Rapid SBS content detection method based on modified asphalt sample library
A technology of modified asphalt and detection method, applied in the direction of measurement device, chemical information database system, chemical information data warehouse, etc., can solve the problems of cumbersome detection operation, slow detection speed, poor detection effect, etc., and achieve low demand conditions. , The effect of improving the detection speed and improving the detection accuracy
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Embodiment 1
[0060] figure 1 The flow chart of the method for rapid detection of SBS content based on the modified asphalt sample library provided for the embodiment of the present invention.
[0061] refer to figure 1 , the method includes the following steps:
[0062] Step S101, preparing the sample to be tested and measuring the infrared spectrum;
[0063] Here, the sample to be tested is obtained by heating the SBS modified asphalt to be tested to 160°C to 180°C and pouring it into a circular silica gel test mold; On the module, the infrared spectrum is measured and the preprocessing of baseline correction and background subtraction is performed; ATR method is to reflect the test sample or standard sample on the infrared spectroscopy equipment, and obtain such as figure 2 Infrared spectra of the samples to be tested are shown. In this example, the sample to be tested is from AA company SBS modified asphalt; infrared spectroscopy equipment, the resolution is not less than 4.0cm -1...
Embodiment 2
[0085] refer to figure 1 , the method includes the following steps:
[0086] Step S101, preparing the sample to be tested and measuring the infrared spectrum;
[0087]Here, the sample to be tested is obtained by heating the SBS modified asphalt to be tested to 160°C to 180°C and pouring it into a circular silica gel test mold; On the module, the infrared spectrum is measured and the preprocessing of baseline correction and background subtraction is performed. In this example, the sample to be tested comes from SBS modified asphalt of BA company; infrared spectroscopy equipment with a resolution of not less than 4.0cm -1 , the wave number range is not less than 500cm -1 ~4000cm -1 , the signal-to-noise ratio is greater than 30000:1.
[0088] Step S102, normalize the infrared spectrum and divide the characteristic spectrum set;
[0089] Here, the measured infrared spectrum is first normalized according to formula (1), and then the normalized infrared spectrum is divided in...
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