|Table of Contents|

Study on compressive mechanical property of basalt fiber desert sand concrete column(PDF)

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

Issue:
2025年05期
Page:
85-94
Research Field:
建筑结构
Publishing date:

Info

Title:
Study on compressive mechanical property of basalt fiber desert sand concrete column
Author(s):
LIU Fengchao;  QIN Yongjun;  FENG Beisen;  MENG Jun
(College of Civil Engineering and Architecture, Xinjiang University, Urumqi 830047, Xinjiang, China)
Keywords:
desert sand concrete column;  basalt fibre;  compression performance;  mechanical indicator;  comprehensive analysis
PACS:
TU375.3
DOI:
10.19815/j.jace.2024.01070
Abstract:
Using basalt fiber content(0%, 0.05%, 0.1%, 0.15%)and eccentricity(0, 60, 120 mm)as the main research parameters, the compressive mechanical properties of basalt fiber desert sand concrete column were analyzed through static loading tests. With the variation rate of compressive bearing capacity as the dependent variable, concrete load compressive strain index, steel load strain index, and load deflection index were proposed to analyze the sensitivity of the experimental bearing capacity to concrete compressive strain, steel strain, and column deflection. Considering the comprehensive influence of basalt fiber on various mechanical indicators, the optimal basalt fiber content was determined based on balanced mechanical performance development. The results show that basalt fiber can enhance the load bearing capacity and deformation capacity of desert sand concrete columns. When the components fail, the component with a 0.1% fiber content exhibits less damage, shorter crack propagation, better failure modes, and superior mechanical properties compared to other components. Through comprehensive analysis of various mechanical indicators, it is found that the optimal basalt fiber content is 0.1%, and the optimization of various mechanical indicators is closer to the balanced state.

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Last Update: 2025-09-25