Method for rapidly and indirectly measuring moisture content in airport runway high-filled construction

Abstract

The invention discloses a method for rapidly and indirectly measuring the moisture content in airport runway high-filled construction. The method comprises the steps that S1, in airport runway high-filled construction, a plurality of wood sticks are embedded into a filled body, and the top ends of the wood sticks are exposed above a body to be filled by a certain length; S2, filling body paving isperformed on the body to be filled, a wood moisture detector is arranged at the top end of each wood stick, and the moisture content value of wood is measured by the wood moisture detector; the soilmoisture content of the filled body is obtained through calculation; S3, the natural moisture content of various fillers in high-filled construction is measured, the finally-added water amount is calculated, and filled body construction reaches the best moisture rate; S4, according to the finally-added water amount obtained through calculation, the water adding or aeration mode is adopted for thefilled body, the soil moisture content is regulated, and the best moisture content is achieved; S5, the filled body is ground, the ground moisture content is measured, and it is ensured that the bestmoisture content is achieved. The method is convenient and rapid to implement, the construction period is shortened, and the construction quality of an airport runway is ensured.

Description

technical field [0001] The invention relates to the field of high-fill construction of civil airport engineering, in particular to a method for quickly and indirectly measuring moisture content in high-fill construction of airport runways. Background technique [0002] Traditional methods for determining moisture content include alcohol combustion method and drying method. [0003] Alcohol combustion method - use the heat released by the burning of alcohol in the soil sample to evaporate and dry the soil water, and calculate the percentage of soil water content through the difference between the mass before and after burning. [0004] Drying method - the most classic and accurate method, drying the soil to constant weight at 105-110°C, various moisture in the soil will evaporate, and the moisture content can be directly measured. [0005] However, the above-mentioned construction methods have their own shortcomings. The alcohol combustion method will take away the dry matte...

AI Technical Summary

Problems solved by technology

[0005] However, the above-mentioned construction methods have their own shortcomings. The alcohol combustion method will take away the dry matter of the sample during the high-temperature combustion stage, making the measurement results inaccurate, and each sample needs to do 3 sets of tests, and the test takes 30 minutes. longer

[0006] Although the drying method is accurate, the test period is long (24 hours), and the feedback results are slow, which seriously affects the construction period

[0007] The above methods in the prior art have certain limitations, either the test accuracy is low, or it takes a long time to feed back the test results, making it difficult to apply to airport runways that require high precision and tight construction schedules.

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