Compaction Quality Inspection and Uniformity Analysis of Soil-Rock Mixed Subgrade
نویسندگان
چکیده
GeoGauge is a portable instrument for rapid determination of the stiffness and modulus compacted soil, which can quickly, safely, nondestructively evaluate quality each layer. In order to deeply study effectiveness detection equipment used in soil-rock mixed subgrade, based on construction project Beijing-Qinhuangdao Expressway, influence water content compaction degree test results correlation between settlement difference were studied analyzed by indoor model field test. Finally, subgrade uniformity evaluated according measured data section predicted value obtained ordinary Kriging interpolation method. The show that: shows trend first increasing then decreasing as increases. When 8%, earth rock mixture reaches maximum value. There good exponential relationship compactness detection, coefficient 0.9231, indicates that stability high. increases with increase number rolling passes. passes greater than five, soil decreases, indicating filler has approached standard after five rolling. regression equation established, specific index calculated when meets design conditions, provides reference practical engineering.
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ژورنال
عنوان ژورنال: Sustainability
سال: 2023
ISSN: ['2071-1050']
DOI: https://doi.org/10.3390/su15075809