Investigation of Damage Diagnosis of Retaining Wall Structures Based on the Hilbert Damage Feature Vector Spectrum

Table 5

Monitoring records in field tests.

Monitoring number of times	Weather conditions	Remarks
1^st (on February 5, 2016)	Sunny, 9∼14°C
2^nd (on June 5, 2016)	Sunny, 23∼27°C	It is sunny and cloudy in May in the main, and there is little light rain
3^rd (on July 5, 2016)	Sunny, 27∼37°C	It is sunny in June in the main, and there is little rain
4^th (on August 5, 2016)	Sunny, 27∼40°C	It is sunny in July in the main, and there is little rain
5^th (on September 5, 2016)	Cloudy, 22∼36°C	It is sunny and cloudy in August in the main, and there are little light rain and showers
6^th (on October 5, 2016)	Cloudy, 18∼27°C	It rains much more in September, and there are mainly heavy rains
7^th (on November 5, 2016)	Cloudy, 13∼20°C	It rains much more in October, and there are mainly light to moderate rains
8^th (on December 5, 2016)	Cloudy, 9∼14°C	It is cloudy in November in the main, and there is little rain
9^th (on January 5, 2017)	Cloudy, 8∼12°C	It is cloudy in December in the main, and there is nearly no rain