|Table of Contents|

Numerical simulation of axial compression and hysteretic behavior of corrugated pipe through-hole column(PDF)

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

Issue:
2023年05期
Page:
99-107
Research Field:
建筑结构
Publishing date:

Info

Title:
Numerical simulation of axial compression and hysteretic behavior of corrugated pipe through-hole column
Author(s):
YANG Bo1;  ZHANG Yafei1;  LU Dan2;  YANG Yingwu3;  LIANG Shixue1
(1. School of Civil Engineering and Architecture, Zhejiang Sci-Tech University, Hangzhou 310018, Zhejiang, China; 2. East China Architectural Design & Research Institute Co., Ltd., Shanghai 200041, China; 3. College of Landscape Architecture, Zhejiang A&F University, Hangzhou 311300, Zhejiang, China)
Keywords:
corrugated pipe through-hole column;  axial compressive behavior;  hysteretic behavior;  numerical analysis
PACS:
TU375
DOI:
10.19815/j.jace.2021.11120
Abstract:
In order to reduce the construction difficulty of assembling between the prefabricated concrete columns and save the construction cost, the direct connection technology of the corrugated pipe through-hole steel bars was proposed. The mechanical properties of the corrugated pipe through-hole column were analyzed by ABAQUS under monotonic loading and static thrust loading conditions, and the effect of corrugated pipe through-hole interpenetrating longitudinal reinforcement on load bearing capacity and hysteretic behavior of assembly column was studied. The results show that compared with the cast-in-situ concrete column, the axial compression capacity of corrugated pipe through-hole columns increases by about 13%. When the axial compression ratio is 0.2 and 0.6, the ductility coefficient of the assembly corrugated pipe through-hole columns increase 31% and 28%, the cumulative hysteresis energy consumption values increase by 3% and 9%,respectively. With the increase of axial compression ratio, ductility of corrugated pipe through-hole column decreases and cumulative hysteretic energy consumption increases, and both ductility and cumulative hysteretic energy consumption are higher than those of cast-in-place concrete column. From the analysis of indicators such as the stress cloud diagram, damage curve, hysteresis curve, skeleton curve and stiffness degradation curve of the precast column concrete, corrugated pipe has a greater restraint effect on the core concrete and the longitudinally reinforcement of the column, and the plastic deformation of the component is delayed. The bellows inserted longitudinal reinforcement connection technology can realize the effective connection between precast concrete columns, and the seismic performance of the assembly column is better than that of the cast-in-place concrete column.

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Last Update: 2023-09-01