王辉,马嘉均,何世钦,李亚楠,朱海,王述杰

• 1:北方工业大学土木工程学院

摘要(Abstract)：

为了研究堆石混凝土应力-应变全曲线,采用碟形弹簧与钢柱组合成附加刚性元件增强压力机的刚性,研究了碟形弹簧并联与串联联结装置的变形量和刚度以及实现单轴受压端部减摩措施,提出了一种堆石混凝土单轴受压应力-应变全曲线的试验方法。在混凝土压力试验机上进行了堆石混凝土立方体试件单轴受压试验,测得了堆石混凝土受压应力-应变全曲线。试件破坏形态表明,采用的端部减摩措施有效,测得的应力-应变曲线下降段验证了碟形弹簧与钢柱组合装置能够吸收试件破坏时混凝土压力试验机存储的变形能。研究结果为在混凝土压力试验机上进行堆石混凝土单轴受压应力-应变全曲线提供了可行、简便、经济的测试方法。

关键词(KeyWords)： 堆石混凝土;混凝土压力试验机;单轴受压;应力-应变全曲线;碟形弹簧组合柱

Abstract:

Keywords:

基金项目(Foundation): 北京市属高校基本科研业务费(110052971921/059)

作者(Author): 王辉,马嘉均,何世钦,李亚楠,朱海,王述杰

DOI: 10.13928/j.cnki.wrahe.2021.02.007

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