高强钢筋页岩陶粒混凝土柱偏心受压性能研究及损伤分析

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发布时间：2020-01-06 00:00:00

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高强钢筋页岩陶粒混凝土柱偏心受压性能研究及损伤分析

Research on eccentric compression performance of high-strength reinforced shale ceramide concrete columns and its damages

2023年第10期

页岩陶粒混凝土；高强钢筋；偏心破坏；破坏特征；损伤分析；长细比

Shale ceramide concrete; High-strength steel bar; Eccentric damage; Damage characteristics; Damage analysis; Slenderness ratio

2023年第10期

10.19761/j.1000-4637.2023.10.061.06

祁明涛，邵永健*，洪宇

苏州科技大学土木工程学院，江苏苏州 215011

祁明涛，邵永健*，洪宇

祁明涛,邵永健,洪宇.高强钢筋页岩陶粒混凝土柱偏心受压性能研究及损伤分析[J].混凝土与水泥制品,2023(10):61-65,71.

QI M T,SHAO Y J,HONG Y.Research on eccentric compression performance of high-strength reinforced shale ceramide concrete columns and its damages[J].China Concrete and Cement Products,2023(10):61-65,71.

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摘要：为了解高强钢筋页岩陶粒混凝土柱偏心受压性能及其损伤演变，对7个配置HRB500钢筋和1个配置HRB400钢筋的页岩陶粒混凝土柱试件进行了偏心受压试验，研究了钢筋强度、页岩陶粒混凝土强度、偏心距和长细比对其受压性能以及损伤演化的影响。结果表明：高强钢筋页岩陶粒混凝土柱偏心受压构件破坏分为大偏心受压破坏、小偏心受压破坏两种；随着页岩陶粒混凝土强度的提高、偏心距和长细比的减小，试件的跨中侧向挠度均减小；偏心距对试件损伤影响较大，偏心距越小，试件的损伤程度越小。 Abstract: In order to study the eccentric compression performance and damage evolution of high-strength reinforced shale ceramide concrete columns, the eccentric compression tests were carried out on seven shale ceramide concrete column specimens with HRB500 reinforcement and one with HRB400 reinforcement to explore the influence of reinforcement strength, shale ceramide concrete strength, eccentric distance and slenderness ratio on its compression performance and damage evolution. The results show that the eccentric compression member damage of high-strength reinforced shale ceramide concrete column has two types, compression member with large eccentricity and compression member with small eccentricity. As the shale ceramide concrete strength increases, eccentric distance and slenderness ratio decrease, the mid-span lateral deflection of the specimen decreases. The eccentric distance has the greater influence on the specimen damage, and the smaller the eccentric distance, the smaller the damage degree of the specimen.

英文名 : Research on eccentric compression performance of high-strength reinforced shale ceramide concrete columns and its damages

刊期 : 2023年第10期

关键词 : 页岩陶粒混凝土；高强钢筋；偏心破坏；破坏特征；损伤分析；长细比

Key words : Shale ceramide concrete; High-strength steel bar; Eccentric damage; Damage characteristics; Damage analysis; Slenderness ratio

刊期 : 2023年第10期

DOI : 10.19761/j.1000-4637.2023.10.061.06

文章编号 :

基金项目 :

作者 : 祁明涛，邵永健*，洪宇

单位 : 苏州科技大学土木工程学院，江苏苏州 215011

祁明涛，邵永健*，洪宇

祁明涛,邵永健,洪宇.高强钢筋页岩陶粒混凝土柱偏心受压性能研究及损伤分析[J].混凝土与水泥制品,2023(10):61-65,71.

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引用本文

Abstract: In order to study the eccentric compression performance and damage evolution of high-strength reinforced shale ceramide concrete columns, the eccentric compression tests were carried out on seven shale ceramide concrete column specimens with HRB500 reinforcement and one with HRB400 reinforcement to explore the influence of reinforcement strength, shale ceramide concrete strength, eccentric distance and slenderness ratio on its compression performance and damage evolution. The results show that the eccentric compression member damage of high-strength reinforced shale ceramide concrete column has two types, compression member with large eccentricity and compression member with small eccentricity. As the shale ceramide concrete strength increases, eccentric distance and slenderness ratio decrease, the mid-span lateral deflection of the specimen decreases. The eccentric distance has the greater influence on the specimen damage, and the smaller the eccentric distance, the smaller the damage degree of the specimen.

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