Research And FEA Of Battle Pile's Anti-seismic Behavior On Pile-Wharf Structures

A wharf of a port occupies an important position to a national economy and the social development. Some huge economical loss and bad effect will be made because to the interruption of the port. Previous earthquakes have demonstrated that pile-wharf structures are susceptible to damage, and the batter piles are the weak link in pile- wharf under earthquake excitation. Earthquake reconnaissance efforts suggests that damage results from liquefaction of surrounding soil, which induces large deformation demands on the structure and may result in structural failure , or inadequate structural performance, which is influenced by and may be caused by the response of the soil.To the existent question of the existing wharf, the energy dissipation between pile and soil under Sine cycle load is analyzed by ANSYS. The characteristic of energy dissipation between pile and soil is discussed. The dynamic performance of pile wharf structure is analyzed by ANSYS, and the contrast analyzes of batter piles with different buried depth and with different gradient is discussed. This paper obtained reasonable gradient and buried depth of batter piles. The dynamic performance of pile wharf structure with different batter piles position and different batter piles quantity is analyzed by ANSYS, and obtaining reasonable position and quantity of batter piles. It is expected that there is a new approach that can improve the dynamic performance of the high pile wharf. The anticipative fruit in the paper has very worthiness to NSFC's item. At the same time it is very significative to improve the anti-seismic performance of the wharf and reduce the seismic risk. The major contents are summarized as follows:1. The energy dissipation between pile and soil under Sine cycle load is analyzed by ANSYS. The characteristic of energy dissipation between pile and soil is discussed.2. The dynamic performance of pile wharf structure is analyzed by ANSYS, and the contrast analyzes of batter piles with different buried depth and with different gradient is discussed. This paper obtained reasonable gradient and buried depth of batter piles.3. The dynamic performance of pile wharf structure with different batter piles position and different batter piles quantity is analyzed by ANSYS, and obtaining reasonable position and quantity of batter piles.4. Some farther measure is put forward to the batter piles and the reference can be offered to further research.