[1]李海云,吴文辉,侯楠,等.高强不锈钢筋与UHPC的粘结锚固性能研究[J].西安建筑科技大学学报(自然科学版),2023,55(05):633-642.[doi:10.15986/j.1006-7930.2023.05.001]
　LI Haiyun,WU Wenhui,HOU Nan,et al.Study on bonding and anchoring properties of stainless steel bar and UHPC[J].J. Xi’an Univ. of Arch. & Tech.(Natural Science Edition),2023,55(05):633-642.[doi:10.15986/j.1006-7930.2023.05.001]
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高强不锈钢筋与UHPC的粘结锚固性能研究()
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西安建筑科技大学学报（自然科学版）[ISSN:1006-7930/CN:61-1295/TU]

卷:
55
期数:
2023年05期
页码:
633-642
栏目:
出版日期:
2023-10-28

文章信息/Info

Title:
Study on bonding and anchoring properties of stainless steel bar and UHPC
文章编号:
1006-7930(2023)05-0633-10
作者:
李海云1; 吴文辉1; 侯楠2; 李然1; 邓瑞婷1; 赵晶3
（1.石家庄铁道大学 土木工程学院，河北 石家庄 050043; 2.旭阳工程有限公司邢台分公司，河北 邢台 054000; 3.广州地铁设计研究院股份有限公司，广东 广州 510000）
Author(s):
LI Haiyun1;  WU Wenhui1 ;  HOU Nan2;  LI Ran1;  DENG Ruiting1;  ZHAO Jing3
（1.School of Civil Engineering, Shijiazhuang Tiedao University, Shijiazhuang 050043, China; 2.Xingtai branch of Xuyang Engineering Co., Ltd.,Xingtai 054000, China; 3.Guangzhou Metro Design and Research Institute Co., Ltd., Guangzhou 510000, China）
关键词:
不锈钢筋; 超高性能混凝土; 粘结强度; 拉拔试验
Keywords:
stainless steel bar;  UHPC;  bond strength;  pull-out bond test
分类号:
TU375.1
DOI:
10.15986/j.1006-7930.2023.05.001
文献标志码:
A
摘要:
为了研究不锈钢筋与超高性能混凝土（ultrahigh performance concrete , UHPC）的粘结性能，制作了12组36个试样进行中心拉拔试验，研究了保护层厚度、锚固长度、配箍率、钢筋直径及钢筋品种对不锈钢筋与UHPC的粘结锚固性能的影响.研究不锈钢与UHPC在锚固段的粘结应力分布，分析导致试件劈裂破坏的原因.通过统计回归对钢筋混凝土粘结强度表达式进行了修正，得到了更加适用于不锈钢筋UHPC粘结强度计算公式.结果表明，修正的粘结强度表达式可较为准确地求出不锈钢筋与UHPC的粘结强度.
Abstract:
In order to study the bonding properties of stainless steel rebar and ultra-high performance concrete (UHPC), 12 groups of 36 specimens were made for central pullout test. The effects of protective layer thickness, anchorage length, stirrup ratio, steel bar diameter and steel bar variety on the bond performance between stainless steel bars and UHPC were studied. The bond stress distribution of stainless steel and UHPC in the anchorage section was studied, and the cause of splitting failure of the specimen was analyzed. The expression of reinforced concrete bond strength was revised through statistical regression, and a more suitable formula for UHPC bond strength of stainless steel bars was obtained. The results show that the modified bond strength expression can accurately calculate the bond strength between stainless steel bars and UHPC.

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相似文献/References:

[1]邵旭东,邱明红,晏班夫,等.基于UHPC材料的高性能装配式桥梁结构研发[J].西安建筑科技大学学报(自然科学版),2019,51(02):160.[doi:10.15986/j.1006-7930.2019.02.002]
　SHAO Xudong,QIU Minghong,YAN Banfu,et al.Research of high performance fabricated bridge structures based on UHPC[J].J. Xi’an Univ. of Arch. & Tech.(Natural Science Edition),2019,51(05):160.[doi:10.15986/j.1006-7930.2019.02.002]

备注/Memo

备注/Memo:
收稿日期:2022-05-01修回日期:2023-08-15
基金项目:河北省建设科技研究项目指导性计划项目（2021-2066）
第一作者:李海云(1978—), 男, 博士，副教授，硕士生导师，研究方向为钢结构设计理论. E-mail:lihy1215@outlook.com
通信作者:侯楠(1996—)，男，硕士，助理工程师，研究方向为钢筋混凝土粘结性能. E-mail:hounan126100@163.com
更新日期/Last Update: 2023-11-05