A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Experimental study on pile-end post-grouting piles for superlarge bridge pile foundations
Abstract The application of pile-end post-grouting piles for super-large bridge pile foundations in some important projects was introduced in this paper. There are totally 21 test piles. The maximum pile diameter varies from 2.5 m to 3 m, and the maximum length is 125 m; the bearing capacity of the post-grouting piles is over ten thousands tons. Based on the test results, the bearing capacity, displacement, and bearing characteristics before and after grouting were analyzed. The results show that the bearing capacity of the piles is increased in different degrees after grouting although the technical parameters, including the patterns of grouting pipes, pressure, dosages of cement, duration of grouting lasting time, are different. However, the obtained values are very discrete. In addition, the calculation formula for the post-grouting piles under specified grouting condition was deduced based on the statistics analysis results of 57 test piles. The research results have been applied in the design of bridge foundation.
Experimental study on pile-end post-grouting piles for superlarge bridge pile foundations
Abstract The application of pile-end post-grouting piles for super-large bridge pile foundations in some important projects was introduced in this paper. There are totally 21 test piles. The maximum pile diameter varies from 2.5 m to 3 m, and the maximum length is 125 m; the bearing capacity of the post-grouting piles is over ten thousands tons. Based on the test results, the bearing capacity, displacement, and bearing characteristics before and after grouting were analyzed. The results show that the bearing capacity of the piles is increased in different degrees after grouting although the technical parameters, including the patterns of grouting pipes, pressure, dosages of cement, duration of grouting lasting time, are different. However, the obtained values are very discrete. In addition, the calculation formula for the post-grouting piles under specified grouting condition was deduced based on the statistics analysis results of 57 test piles. The research results have been applied in the design of bridge foundation.
Experimental study on pile-end post-grouting piles for superlarge bridge pile foundations
Gong, Weiming (author) / Dai, Guoliang (author) / Zhang, Haowen (author)
2009
Article (Journal)
English
BKL:
56.00$jBauwesen: Allgemeines
/
56.00
/
56.60
Architektur: Allgemeines
/
56.00
Bauwesen: Allgemeines
/
56.60
/
56.60$jArchitektur: Allgemeines
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