Completion method of pavement temperature response missing values

Abstract

The invention provides a completion method of pavement temperature response missing values and aims to solve the problems that traditional missing value completion methods are low in reliability, inconvenient to apply and the like. Under the conditions that pavement temperature monitoring is interrupted due to failures and temperature response has missing values, the missing values are completed. According to the method, the natural law that the atmosphere temperature fluctuates periodically and seasonally is used, an addition model adopting sine and cosine curves is adopted to simulate change features of pavement temperature response at the same moment every day, and corresponding mathematical models are established; on the basis of the randomness characteristic of pavement structure temperature response, a random number sequence related to the burying depth of a temperature sensor is put forward to correct the models, and the real situation of temperature response monitoring data can be better simulated. With the adoption of the method, the pavement temperature response missing values can be scientifically and effectively completed, and the continuity, stability and reliability of pavement temperature monitoring data can be well guaranteed.

Description

Technical field

[0001] The invention relates to the technical field of temperature monitoring of pavement structures, in particular to a method for complementing missing values ​​of pavement temperature response. Background technique

[0002] The temperature condition of the pavement structure has an important influence on the bearing capacity and performance of the pavement. For asphalt pavement, high temperature is easy to induce rutting, and low temperature may cause surface cracking; for cement pavement, under the combined action of traffic load and temperature gradient, it is easy to cause fatigue fracture of cement board. Therefore, studying the distribution characteristics and changing laws of the pavement temperature field is of great significance to the research on the use performance of the pavement structure, and the design, construction, and maintenance of the pavement structure in the whole life cycle.

[0003] Different from other civil engineering or mechanical engi...

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