›› 2010, Vol. 31 ›› Issue (1): 287-292.

• Numerical Analysis • Previous Articles     Next Articles

Response analysis of anchorage foundation under lateral loading

MU Lin-long1, 2，HUANG Mao-song1, 2，GONG Wei-ming3，YIN Yong-gao4   

  1. 1. Key Laboratory of Geotechnical and Underground Engineering of Ministry of Education, Tongji University, Shanghai 200092, China; 2. Department of Geotechnical Engineering, Tongji University, Shanghai 200092, China; 3. School of Civil Engineering, Southeast University, Nanjing 210096, China; 4. Anhui Expressway Holding Corporation, Hefei 230051, China
  • Received:2009-01-04 Online:2010-01-10 Published:2010-02-02

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Abstract:

Anchorage foundation is a new structural foundation which can effectively improve its bearing capacity by increasing a small amount of material that due to the designability of itself. It is necessary to analyze the mechanical behavior of anchorage foundation due to the shortage of corresponding theoretical research. In-situ tests of an anchorage foundation of Huaihe Super Bridge are simulated by elastoplastic finite element method to demonstrate the effectiveness of numerical simulations and suitable selection of material parameters. The mechanical behaviour of anchorage foundations is then further studied by comparing that of a caisson without anchors. Meanwhile, the distribution of moment on anchor is analyzed; and the influence of anchors’ embedded depth on the bearing capacity is studied. The results show that the lateral bearing capacity of anchorage foundations can be effectively improved by a proper setting of anchors.

Key words: finite element method, anchorage foundation, lateral loading, mechanical behaviour

CLC Number: 

  • TU 443
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