Research on the Technology of Soil Foundation Compactness Testing Based on Falling Ball Method
Sand filling method and water filling method are the most commonly used methods for testing the compactness of soil foundation at the construction site,but these two methods belong to failure detection,which are time-consuming,laborious and poorly representative.This paper studies the adaptability of the falling ball method to detect the compactness of the soil foundation,uses the falling ball rebound instrument to detect the compactness of the soil foundation,and compares it with the data obtained by the sand filling method.The re-sults show that compared with the sand filling method,the data error obtained by the falling ball method is less than 0.4%,and the coefficient of variation is 0.006-0.008,thus it can be known that the falling ball method is reliable,stable and discrete.
Falling ball methodSand filling methodSoil foundation compactness
万方数据
维普
