STUDY OF INFLUENCE OF SHEAR RING ON FORCE AND DEFORMATION PROPERTIES OF STEEL TUBULAR COMPOSITE PILE

Zhang Min; Ma Jianlin; Chai Rui; Wu Weisheng

doi:10.13204/j.gyjz201311016

Volume 43 Issue 11

Dec. 2014

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Zhang Min, Ma Jianlin, Chai Rui, Wu Weisheng. STUDY OF INFLUENCE OF SHEAR RING ON FORCE AND DEFORMATION PROPERTIES OF STEEL TUBULAR COMPOSITE PILE[J]. INDUSTRIAL CONSTRUCTION, 2013, 43(11): 67-72,88. doi: 10.13204/j.gyjz201311016

Citation:

Zhang Min, Ma Jianlin, Chai Rui, Wu Weisheng. STUDY OF INFLUENCE OF SHEAR RING ON FORCE AND DEFORMATION PROPERTIES OF STEEL TUBULAR COMPOSITE PILE[J]. INDUSTRIAL CONSTRUCTION, 2013, 43(11): 67-72,88. doi: 10.13204/j.gyjz201311016

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STUDY OF INFLUENCE OF SHEAR RING ON FORCE AND DEFORMATION PROPERTIES OF STEEL TUBULAR COMPOSITE PILE

doi: 10.13204/j.gyjz201311016

1.
1. College of Civil Engineering,Southwest Jiaotong University,Chengdu 610031,China;
2.
2. Hong Kong-Zhuhai-Macao Bridge Authority,Zhuhai 519015,China;
3.
3. CCCC Highway Consultants Co. Ltd,Beijing 100088,China

Received Date: 2013-01-18
Publish Date: 2013-11-20

Abstract

Abstract

To investigate the effects of shear ring on the force and deformation characteristics of steel tubular composite( STC) piles under axial load-moment-lateral load,five specimens with different combinations of shear ring,drilling mud skin and anti-corrosion coating were tested,in which four specimens with shear ring,1D,1. 5D,2D,and 3D( D was the pile diameter) were taken as its spacing. Based on analysis of the test results,the effects of shear ring on STC pile bending stiffness were studied. The results obtained from the tests showed that the bearing capacity for lateral deformation of STC pile was greatly improved by shear ring. Also,the force and deformation of STC pile end were significantly increased,when the spacing of shear ring was more than 2D. That resulted in the strains at cross section of pile tip in the shape of m. Finally,the relation between bending stiffness increment of STC piles and shear ring spacing was formulated,both of which showed a hyperbolic law change.
- model test,
- steel tubular composite pile,
- shear ring,
- force and deformation properties,
- bending stiffness

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References(14)

References

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