Model of compressive strength degradation of concrete under both freeze thaw cycles and compressive loads

机译：冻融循环和压缩荷载作用下混凝土抗压强度退化模型

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The frost resistance and compressive strength degradation of concrete under the simultaneous action of compressive load and freeze-thaw cycles are experimentally investigated in this paper. In order to track the strength degradation process, the nondestructive tests are carried out after each freeze-thaw cycle to get the residual strength for each specimen. Based on the experimental data, a variable Kss is proposed to describe the damage velocity and a prediction model of compressive strength degradation of concrete under freeze thaw cycles and external load is established. By comparing with other researchers' indoor experiment data and outdoor inspection data, the model is proved to be reliable to predict the compressive strength degradation of concrete in cold region.

机译：通过压缩载荷和冻融循环的共同作用，对混凝土的抗冻性和抗压强度进行了试验研究。为了跟踪强度退化过程，在每个冻融循环后进行非破坏性测试，以获取每个试样的残余强度。基于实验数据，提出了一个变量Kss来描述损伤速度，并建立了冻融循环和外部荷载作用下混凝土抗压强度退化的预测模型。通过与其他研究人员的室内实验数据和室外检查数据进行比较，该模型可以可靠地预测寒冷地区混凝土的抗压强度退化。

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来源
《International conference on sustainable development of critical infrastructure 2014》|2014年|149-156|共8页
会议地点 Shanghai(CN)
作者
Sijia Chen; Xiaobing Song; Xila Liu;
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作者单位

Shanghai Jiao Tong University, China;

Department of Civil Engineering at Shanghai Jiao Tong University, China;

Department of Civil Engineering at Shanghai Jiao Tong University, China;

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会议组织
原文格式 PDF
正文语种 eng
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关键词
compressive strength degradation; external load; freeze-thaw cycles; prediction model; model verification;

机译：抗压强度下降；外部负载冻融循环；预测模型；模型验证;

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专利

1. Compressive strength degradation and evolution of failure surfaces in compressively preloaded concrete under freeze-thaw cycles [J] . Chen S., Song X., Liu X. Materials Research Innovations . 2015,第suppla5期

机译：冻融循环下预压混凝土的抗压强度退化及破坏面演化
2. Dynamic compressive strength of concrete damaged by fatigue loading and freeze-thaw cycling [J] . Lu Jingzhou, Zhu Kongfeng, Tian Lizong, Construction and Building Materials . 2017,第octa15期

机译：疲劳载荷和冻融循环破坏混凝土的动态抗压强度
3. Triaxial compressive strength of air-entrained concrete after freeze-thaw cycles [J] . Huai-shuai Shang, Yu-pu Song Cold regions science and technology . 2013,第juna期

机译：冻融循环后引气混凝土的三轴抗压强度
4. Model of compressive strength degradation of concrete under both freeze thaw cycles and compressive loads [C] . Sijia Chen, Xiaobing Song, Xila Liu International conference on sustainable development of critical infrastructure . 2014

机译：冻融循环和压缩荷载下混凝土压缩强度降解模型
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. Compressive Strength Chloride Permeability and Freeze-Thaw Resistance of MWNT Concretes under Different Chemical Treatments [O] . Xingang Wang, Inkyu Rhee, Yao Wang, -1

机译：不同化学处理条件下MWNT混凝土的抗压强度氯化物渗透性和抗冻融性
7. Compressive Strength Study on the Freeze-thaw Resistance of Recycled Aggregate Concrete Members [O] . Haicheng Niu, Yonggui Wang, Xianggang Zhang, 2017

机译：再循环骨料混凝土构件的抗压强度研究

Model of compressive strength degradation of concrete under both freeze thaw cycles and compressive loads

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