low volume road noise calculation tool (lvrct) · 2018. 8. 21. · (iba calculate noise (laeq, 1...
TRANSCRIPT
![Page 1: Low Volume Road Noise Calculation Tool (LVRCT) · 2018. 8. 21. · (IBA Calculate Noise (LAeq, 1 hour) Results Calculated noise level is within 5 dB of the noise abatement criterion](https://reader036.vdocuments.us/reader036/viewer/2022081411/60a6529534f93e5c1d6998ad/html5/thumbnails/1.jpg)
Low Volume Road Noise Calculation Tool (LVRCT)
![Page 2: Low Volume Road Noise Calculation Tool (LVRCT) · 2018. 8. 21. · (IBA Calculate Noise (LAeq, 1 hour) Results Calculated noise level is within 5 dB of the noise abatement criterion](https://reader036.vdocuments.us/reader036/viewer/2022081411/60a6529534f93e5c1d6998ad/html5/thumbnails/2.jpg)
LVRCT Introduction
• Hosted on the TNM 2.5 download site• Download at:
https://www.fhwa.dot.gov/environment/noise/traffic_noise_model/tnm_v25/• TNM 2.5 to TNM 3 conversion tool at same site
![Page 3: Low Volume Road Noise Calculation Tool (LVRCT) · 2018. 8. 21. · (IBA Calculate Noise (LAeq, 1 hour) Results Calculated noise level is within 5 dB of the noise abatement criterion](https://reader036.vdocuments.us/reader036/viewer/2022081411/60a6529534f93e5c1d6998ad/html5/thumbnails/3.jpg)
LVRCT Software
• Requires installation of MCRInstaller.exe– Provides MATLAB Runtime Libraries– No license fee
• Requires installation of LowVolumeTool.exe– No license fee
![Page 4: Low Volume Road Noise Calculation Tool (LVRCT) · 2018. 8. 21. · (IBA Calculate Noise (LAeq, 1 hour) Results Calculated noise level is within 5 dB of the noise abatement criterion](https://reader036.vdocuments.us/reader036/viewer/2022081411/60a6529534f93e5c1d6998ad/html5/thumbnails/4.jpg)
LVRCT Software
• Uses draft TNM 3.0 acoustics• Two bi-directional infinite roadways
– Input speed from 25-70 mph in 5 mph increments– Input roadway gradient of 0-7%– Input vehicle mix and volume
![Page 5: Low Volume Road Noise Calculation Tool (LVRCT) · 2018. 8. 21. · (IBA Calculate Noise (LAeq, 1 hour) Results Calculated noise level is within 5 dB of the noise abatement criterion](https://reader036.vdocuments.us/reader036/viewer/2022081411/60a6529534f93e5c1d6998ad/html5/thumbnails/5.jpg)
LVRCT Software
• Final version released with final TNM 3 acoustics library• Anticipate use for noise screening and low volume roadways• Send comments or questions to [email protected]
![Page 6: Low Volume Road Noise Calculation Tool (LVRCT) · 2018. 8. 21. · (IBA Calculate Noise (LAeq, 1 hour) Results Calculated noise level is within 5 dB of the noise abatement criterion](https://reader036.vdocuments.us/reader036/viewer/2022081411/60a6529534f93e5c1d6998ad/html5/thumbnails/6.jpg)
![Page 7: Low Volume Road Noise Calculation Tool (LVRCT) · 2018. 8. 21. · (IBA Calculate Noise (LAeq, 1 hour) Results Calculated noise level is within 5 dB of the noise abatement criterion](https://reader036.vdocuments.us/reader036/viewer/2022081411/60a6529534f93e5c1d6998ad/html5/thumbnails/7.jpg)
![Page 8: Low Volume Road Noise Calculation Tool (LVRCT) · 2018. 8. 21. · (IBA Calculate Noise (LAeq, 1 hour) Results Calculated noise level is within 5 dB of the noise abatement criterion](https://reader036.vdocuments.us/reader036/viewer/2022081411/60a6529534f93e5c1d6998ad/html5/thumbnails/8.jpg)
![Page 9: Low Volume Road Noise Calculation Tool (LVRCT) · 2018. 8. 21. · (IBA Calculate Noise (LAeq, 1 hour) Results Calculated noise level is within 5 dB of the noise abatement criterion](https://reader036.vdocuments.us/reader036/viewer/2022081411/60a6529534f93e5c1d6998ad/html5/thumbnails/9.jpg)
![Page 10: Low Volume Road Noise Calculation Tool (LVRCT) · 2018. 8. 21. · (IBA Calculate Noise (LAeq, 1 hour) Results Calculated noise level is within 5 dB of the noise abatement criterion](https://reader036.vdocuments.us/reader036/viewer/2022081411/60a6529534f93e5c1d6998ad/html5/thumbnails/10.jpg)
![Page 11: Low Volume Road Noise Calculation Tool (LVRCT) · 2018. 8. 21. · (IBA Calculate Noise (LAeq, 1 hour) Results Calculated noise level is within 5 dB of the noise abatement criterion](https://reader036.vdocuments.us/reader036/viewer/2022081411/60a6529534f93e5c1d6998ad/html5/thumbnails/11.jpg)
![Page 12: Low Volume Road Noise Calculation Tool (LVRCT) · 2018. 8. 21. · (IBA Calculate Noise (LAeq, 1 hour) Results Calculated noise level is within 5 dB of the noise abatement criterion](https://reader036.vdocuments.us/reader036/viewer/2022081411/60a6529534f93e5c1d6998ad/html5/thumbnails/12.jpg)
![Page 13: Low Volume Road Noise Calculation Tool (LVRCT) · 2018. 8. 21. · (IBA Calculate Noise (LAeq, 1 hour) Results Calculated noise level is within 5 dB of the noise abatement criterion](https://reader036.vdocuments.us/reader036/viewer/2022081411/60a6529534f93e5c1d6998ad/html5/thumbnails/13.jpg)
![Page 14: Low Volume Road Noise Calculation Tool (LVRCT) · 2018. 8. 21. · (IBA Calculate Noise (LAeq, 1 hour) Results Calculated noise level is within 5 dB of the noise abatement criterion](https://reader036.vdocuments.us/reader036/viewer/2022081411/60a6529534f93e5c1d6998ad/html5/thumbnails/14.jpg)
![Page 15: Low Volume Road Noise Calculation Tool (LVRCT) · 2018. 8. 21. · (IBA Calculate Noise (LAeq, 1 hour) Results Calculated noise level is within 5 dB of the noise abatement criterion](https://reader036.vdocuments.us/reader036/viewer/2022081411/60a6529534f93e5c1d6998ad/html5/thumbnails/15.jpg)
![Page 16: Low Volume Road Noise Calculation Tool (LVRCT) · 2018. 8. 21. · (IBA Calculate Noise (LAeq, 1 hour) Results Calculated noise level is within 5 dB of the noise abatement criterion](https://reader036.vdocuments.us/reader036/viewer/2022081411/60a6529534f93e5c1d6998ad/html5/thumbnails/16.jpg)
Questions?