![]() Generally the rivers widen near sea area than that at the origin of the river at hill. Based on the field test results and analysis a simplified methodology, has been proposed in this paper, for development of Equivalent Top Down Loading with consideration of elastic shortening of pile and surrounding soil for both cases i.e., uniform and non-uniform E values and pile cross sections. The distribution of skin frication and skin friction force has also been presented herein with both uniform and non-uniform cross section and E values of concrete. ![]() ![]() These results were used to analyze O-cell test results based on a case study and presented in this paper. Same pipes were used for base grout after cross hole sonic test. Cross hole sonic and pile load test using O-Cell were carried out on same pile at 7 and 28 days of concreting. In this present paper, the analysis has been carried out based on uniform and non-uniform values of pile cross section and E value of concrete. This method provides a significant improvement to current techniques used in quality control during construction of bridges. This method identifies the exact location of any void or defect inside the rebar cage of a drilled shaft. FTA is used to find out the location of the distress in the pile. The procedure identifies the location accuracy and further characterizes the features of the defect. In pile capacity analysis or CSL analysis, it is assumed that pile cross section is uniform with uniform value of elastic modulus of concrete but in real practice both are non-uniform. First Time Arrival (FTA) is an important consideration. A processing method wide-band CSL data is presented herein. Quality of concrete for pile can be checked using Cross-hole Sonic Logging (CSL) Test.
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