Resistance of Adhesive Bonding of Ultra-High Performance Concrete to Hygrothermal, Corrosive, and Freeze-Thaw Cycling Environments

机译：超高性能混凝土的粘结性对湿热，腐蚀和冻融循环环境的抵抗力

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Ultra-high performance concrete (UHPC) with its unique material properties is suitable for the application of adhesive bonding as a joining technique. The results presented in this paper were generated as part of a research project aimed at investigating the properties of UHPC adhesive joints in terms of reliability, safety, and load bearing capacity. Fourteen ad-hesives were tested for strength and durability considering varying conditions of substrate surface pretreatment and different UHPC compositions. Tests under hygrothermal, freezing, and salt-spraying exposures were performed to investigate the long-term durability under different climatic conditions.

机译：具有独特材料特性的超高性能混凝土（UHPC）适合作为连接技术的粘合剂粘结应用。本文介绍的结果是作为一项研究项目的一部分而产生的，该项目旨在研究UHPC胶粘接头在可靠性，安全性和承载能力方面的特性。考虑到基材表面预处理的不同条件和不同的UHPC组成，测试了14种胶粘剂的强度和耐久性。进行了湿热，冷冻和喷盐试验，以研究不同气候条件下的长期耐久性。

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来源
《Durability of building and construction sealants and adhesives》|2008年|P.227-253|共27页
会议地点 Denver CO(US);Denver CO(US)
作者
R. Krelaus; rnG. Wisner; rnS. Freisinger-Schadow; rnM. Schmidt; rnS. Boehm; rnK. Dilger;
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作者单位

Construction Materials and Chemistry, Univ. of Kassel, 34125 Kassel, Hessia, Germany;

rnJoining and Welding, Technical Univ. Braunschweig, 38106 Braunschweig, Lower Saxony, Germany;

rnConstruction Materials and Chemistry, Univ. of Kassel, 34125 Kassel, Hessia, Germany;

rnConstruction Materials and Chemistry, Univ. of Kassel, 34125 Kassel, Hessia, Germany;

rnJoining and Welding, Technical Univ. Braunschweig, 38106 Braunschweig, Lower Saxony, Germany;

rnJoining and Welding, Technical Univ. Braunschweig, 38106 Braunschweig, Lower Saxony, Germany;

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会议组织
原文格式 PDF
正文语种 eng
中图分类建筑装饰、装修工程;
关键词
ultra-high performance concrete; UHPC; UHPFRC; adhesive bonding; accelerated aging; cyclic climatic testing; freeze-thaw testing; hygrothermal testing;

机译：超高性能混凝土； UHPC； UHPFRC；粘接加速老化；循环气候测试；冻融测试；湿热测试;

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1. Freeze-thaw resistance of Ultra-High performance concrete: Dependence on concrete composition [J] . Lu Zhe, Feng Zhen-gang, Yao Dongdong, Construction and Building Materials . 2021,第Jula26期

机译：超高性能混凝土的冻融电阻：依赖混凝土组成
2. NONDESTRUCTIVE TESTING OF ULTRA-HIGH PERFORMANCE CONCRETE TO EVALUATE FREEZE-THAW RESISTANCE [J] . Vaitkevi?ius V., ?erelis E., Rud?ionis ?. Mechanika . 2012,第2期

机译：评估混凝土的抗冻融性的超高性能混凝土的非破坏性测试
3. Bond performance of thermal insulation concrete under freeze-thaw cycles [J] . Liu Yuanzhen, Chen Y. Frank, Wang Wenjing, Construction and Building Materials . 2016,第Feba1期

机译：保温混凝土在冻融循环下的粘结性能
4. Influence of Nanoclay on Concrete Subjected to Freeze-Thaw Cycles and Bond Behavior between Rebar and Concrete [C] . Yingfang FAN, Shiyi ZHANG, Surendra P. SHAH International Conference on Concrete under Severe Conditions - Environment and Loading . 2016

机译：纳米粘土对经受冰柱和混凝土冻融循环循环的混凝土的影响
5. The effects of bio content and type of resin on FRP wet layup tensile and bond strength to concrete and durability under freeze-thaw cycles [D] . McIsaac, Anne. 2017

机译：生物含量和树脂类型对FRP湿铺层拉伸强度，与混凝土的粘结强度以及冻融循环耐久性的影响
6. Mechanical Properties and Anti-Spalling Behavior of Ultra-High Performance Concrete with Recycled and Industrial Steel Fibers [O] . Juan Yang, Gai-Fei Peng, Guo-Shuang Shui, 2019

机译：再生和工业钢纤维超高性能混凝土的力学性能和抗剥落性能
7. Mechanical properties of various concrete after high temperature exposure Mechanical property of various types of concrete after high temperature exposure is investigated. Considering compressive strength requirement for a vertical element in high rise building, concrete specimens with various design strengths of 35, 80, 100, and 150 MPa were tested. Particularly, the influence of incorporated steel fiber on fire resistance is of interest in this study. Experimental results show that the fire resistance depends on the design strength and steel fiber content. Normal strength concrete (NSC) of a design strength of 35 MPa or high performance concrete (HPC) of 80-100 MPa does not spall when exposed to 100-400 °C of temperature. However, an explosive spalling occurs at 300 °C when the HPCs contain 1 vol. of steel fiber. Ultra-high performance concrete (UHPC) of a design strength of 150 MPa and 1.5 vol. of steel fiber also shows dramatic spalling at 300 °C. The experimental results found in this study can contribute to a better understanding of the behaviors of HPC and UHPC under fire and the role of steel fiber on the fire resistance. [O] . 2017

机译：研究了高温暴露后各种混凝土高温曝光机械性能各种混凝土的机械性能。考虑到高层建筑中垂直元件的抗压强度要求，测试了35,80,100和150MPa各种设计强度的混凝土试样。特别是，在这项研究中，掺入钢纤维对耐火性的影响。实验结果表明，耐火性取决于设计强度和钢纤维含量。在暴露于100-400°C的温度时，80-100MPa的设计强度为35MPa或高性能混凝土（HPC）的正常强度混凝土（NSC）不会击落。然而，当HPC含有1体积的钢纤维的百分比时，爆炸性剥落发生在300℃。超高性能混凝土（UHPC）的设计强度为150 MPa和1.5 Vol。钢纤维的百分比也显示出300℃的剧烈剥落。本研究中发现的实验结果可以有助于更好地了解在火灾中的HPC和UHPC的行为以及钢纤维对耐火性的作用。
8. Freeze-Thaw and Skid Resistance Performance of Surface Coatings on Concrete [R] . Furr, H., Ingram, L., Winegar, G. 1969

机译：混凝土表面涂层的冻融和抗滑性能

Resistance of Adhesive Bonding of Ultra-High Performance Concrete to Hygrothermal, Corrosive, and Freeze-Thaw Cycling Environments

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