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边金明,安新正,芈峥,马晓楠,刘利伟.基于砂率的富含砖粒再生混凝土基本性能试验研究[J].河北工程大学自然版,2020,37(2):14-17
基于砂率的富含砖粒再生混凝土基本性能试验研究
Experimental Study on Basic Properties of Brick-rich Recycled Concrete Based on Sand Ratio
投稿时间:2019-06-25  
DOI:10.3969/j.issn.1673-9469.2020.02.003
中文关键词:  砂率  富含砖粒再生混凝土  阻尼性能  抗压及劈裂强度
英文关键词:sand ratio  brick-rich recycled concrete  damping performance  compression and splitting strength
基金项目:河北省自然科学基金资助项目(E2015204111);河北省科学技术研究与发展计划资助项目(15273609D)
作者单位
边金明 河北工程大学 土木工程学院, 河北 邯郸 056038 
安新正 河北工程大学 土木工程学院, 河北 邯郸 056038 
芈峥 河北工程大学 土木工程学院, 河北 邯郸 056038 
马晓楠 河北工程大学 土木工程学院, 河北 邯郸 056038 
刘利伟 河北工程大学 土木工程学院, 河北 邯郸 056038 
摘要点击次数: 27
全文下载次数: 19
中文摘要:
      为探究富含砖粒再生混凝土阻尼性能、抗压及劈裂强度与砂率的关系,选用全再生富含砖粒粗骨料,以砂率为研究参数,设计制作砂率为25%~50%的6组不同配合比再生混凝土梁、抗压及劈裂试件。通过试验研究砂率对富含砖粒再生混凝土梁阻尼性能、抗压及劈裂强度的影响规律。研究结果显示,随砂率的增大,富含砖粒再生混凝土抗压及劈裂强度均减小,而阻尼比随砂率的增加先增大而后略有降低。
英文摘要:
      In order to explore the relationship between damping performance, compressive strength and splitting strength of brick-rich recycled concrete and sanding ratio, 6 groups of regenerated concrete beams, compressive strength and splitting specimens with different mix ratios of 25%~50% were designed by selecting the whole regenerated coarse aggregate rich in brick particles and taking the sand rate as the research parameter. The effects of sand ratio on the damping performance, compression resistance and splitting strength of brick-rich recycled concrete beams were studied by experiments. The results show that with the increase of sand rate, the compressive strength and splitting strength of brick-rich recycled concrete decrease, while the damping ratio increases first and then decreases slightly with the increase of sand ratio.
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