Abstract：
In Caofeidian Nachao River Bridge project, the foundation pit of main bridge pier base has a maximum depth of 13.5m and it is adjacent to railway and breakwater. During construction of foundation pit, the combined supporting system of steel sheet pile plus internal support is adopted, D-type beam is used to strengthen adjacent rail line, and pile foundation is selected as a base supporting the beam, so as to guarantee construction safety and safe operation of existing railway and to successfully complete the Nachao River Bridge project.
JIANG Zhi-gang. CONSTRUCTION AND MONITORING TECHNIQUE OF BRIDGE PIER FOUNDATION PIT SUPPORT UNDER COMPLEX CONDITIONS[J]. Architecture Technology, 2012, 43(4): 340-343.
