Durable year several forecasting manners and the forecasting device of the tarpaulin, being durable year several forecasting

摘要

PROBLEM TO BE SOLVED: To provide a prediction method of service life of a waterproof sheet that is capable of predicting service life of the waterproof sheet in accordance with different installation environment of the waterproof sheet such as installation location.;SOLUTION: This method prepares a plurality of degradation progression patters indicating correlation of a degradation state of a waterproof sheet and elapsed years, selects an appropriate degradation progression pattern (a) from the plurality of the degradation progression patterns in accordance with difference in installation environment of the waterproof sheet, diagnoses a current degradation state of the waterproof sheet, and predicts remaining service life of the waterproof sheet (for example, 5 years) based on the diagnosed degradation state of the waterproof sheet (for example, the elongation percentage is 70%) and the selected degradation progression pattern (a).;COPYRIGHT: (C)2012,JPO&INPIT