Statistical evaluation for ultimate bearing capacity equations of shallow foundation in sandy soil
الباحث الأول:
Saja F.Hadi
الباحثين الآخرين:
Husain A.Abdul Husain
المجلة:
AIP publishing
تاريخ النشر:
26 يوليو، 2023
مختصر البحث:
The major concern for an efficient design of structures is to provide accurate predictions of the ultimate bearing capacity of soil underneath their footings. Direct measurement of the ultimate bearing capacity in the field necessitates high costly …
The major concern for an efficient design of structures is to provide accurate predictions of the ultimate bearing capacity of soil underneath their footings. Direct measurement of the ultimate bearing capacity in the field necessitates high costly and time-consuming. Therefore, during the last decades other methods were adopted, such as theoretical methods that depend on the mechanical properties of the soil and empirical methods that depend on the results of field tests. The major drawback of theoretical methods is that they are built on some simplified assumptions. Thus, they may do not yield accurate estimates. This study is considered as an attempt to assess the effectiveness of some of these methods and obtained the most accurate one. This goal accomplished by evaluating and ranking of five commonly used methods which were Terzaghi (1943), Meyerhof (1965), Hansen (1970), Vesic’ (1975), and Michalowski (2005). The rank analysis was conducted for aforementioned methods based on a total of 193 case histories from published literature. According to the obtained results, Vesic’s method was ranked first with a rank index of 5, while Meyerhof’s and Michalowski’s methods were ranked last with a rank index of 18. Hence, it can be concluded that the bearing capacity equation proposed by Vesic’ in 1975 can be utilized with high confidence for predicting the ultimate bearing capacity of the shallow foundation based on mechanical soil properties.
