Key Points of Construction Technology for Soft Soil Subgrade Replacement and Filling
With the vigorous development of highway construction,various types of soft soil roadbeds are often encountered during the construction process of highway engineering.Due to the characteristics of low strength,high natural moisture content,and low shear strength of soft soil,if the soft soil is not properly treated,it may lead to diseases such as roadbed settlement,roadbed and pavement cracking,and roadbed slope landslides.Therefore,in the construction process of highway engineering,high attention should be paid to the treatment of soft soil subgrade.Common methods for soft soil subgrade treatment include replacement and filling,stone throwing and silt squeezing,bagged sand wells,preloading,plastic drainage boards,granular piles,and reinforced soil piles.However,the fastest,simplest,and most economical construction method is replacement and filling.Therefore,replacement and filling construction of soft soil subgrade is also the most commonly used method in soft soil subgrade treatment.
soft soil subgradecarrying capacitypenetration testpost construction settlement
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