|Table of Contents|

Design and Experiment on Torsional Behaviors of Precast Concrete Pile Body(PDF)

《建筑科学与工程学报》[ISSN:1673-2049/CN:61-1442/TU]

Issue:
2009年02期
Page:
87-91
Research Field:
Publishing date:
2009-06-20

Info

Title:
Design and Experiment on Torsional Behaviors of Precast Concrete Pile Body
Author(s):
LIANG Li;  LI Xin;  LI Ming;  WANG Wei
School of Resources and Civil Engineering, Northeastern University, Shenyang 110004, Liaoning, China
Keywords:
reinforced concrete;  precast concrete pile body;  spiral hoop;  cracking torsion;  ultim-ate torsion;  deformation;  crack
PACS:
TU473.1
DOI:
-
Abstract:
In order to solve the torsional problem of precast concrete screw pile in construction, the torsional behaviors of precast concrete pile body were designed strongly and studied by experimental method. The methods of improvement of concrete strength level, distribution of spiral hoop and application of some prestresses were used to improve the characteristic torsion of precast concrete pile body. Meanwhile, the torsional behaviors, such as destructive characteristic, cracking torsion, ultimate torsion and the relationships between torsion and angle of twist per unit length were studied. Results show that the calculated values of formulas of precast concrete pile body are in reasonable agreement with experimental values, and prestressed concrete structure should be selected to make precast concrete screw pile instead of common reinforced concrete structure with high ratio of spiral hoop.

References:

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Last Update: 2009-06-20