Carbonation of Cement Mortar Subjected to Flexural Load

机译：对弯曲载荷进行水泥砂浆的碳酸化

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The effect of flexural load on the carbonation processes of cement mortar were experimentally studied,using two pressed springs as the loading parts. The results indicate that flexural load will accelerate the carbonation processes of cement mortar, the carbonation depths increasing approximately exponentially with tensile stress levels. A model describing the kinetic processes of carbonation for mortar subjected simultaneously to flexural load was proposed. Microcracks formed at the tensile areas of the specimens subjected to flexural load during carbonation. The enhancement of carbonation by flexural load is ascribed to the formation of microcracks in specimens resulted from flexural load and carbonation shrinkage.

机译：通过作为装载部分的两个压制弹簧进行实验研究了弯曲载荷对水泥砂浆碳酸化过程的影响。结果表明，弯曲负荷将加速水泥砂浆的碳酸化过程，碳酸化深度随着拉伸应力水平大致呈指数增加。提出了一种模型，其描述了同时进行弯曲载荷的砂浆碳化的动力学过程。在碳酸化过程中经过弯曲载荷的试样的拉伸区域形成的微裂纹。通过弯曲载荷的碳酸化增强归因于弯曲载荷和碳化收缩产生的标本中的微裂纹。

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《International Conference of Architecture and Technology》|2008年||共5页
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中图分类 TU-53;
关键词
Cement mortar; Flexural load; Carbonation kinetics; Microcrack;

机译：水泥砂浆;弯曲载荷;碳酸化动力学;微裂纹;

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1. X-ray Microtomography of the Carbonation Front Shape Evolution of Cement Mortar and Modeling of Accelerated Carbonation Reaction [J] . HAN Jiande, SUN Wei, PAN Ganghua 武汉理工大学学报：材料科学英文版 . 2013,第002期

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2. Accelerated carbonation curing of cement mortars containing cement kiln dust: An effective way of CO_2 sequestration and carbon footprint reduction [J] . Sharma Devender, Goyal Shweta Journal of Cleaner Production . 2018,第AUGa10期

机译：含水泥窑粉尘的水泥砂浆的加速碳化固化：一种有效的CO 2固存和减少碳足迹的方法
3. Degradation of Pore Structure and Microstructures in Hardened Cement Paste Subjected to Flexural Loading and Wet-dry Cycles in Sea Water [J] . ZHANG Wuman, SUN Wei, ZHANG Yunsheng, 武汉理工大学学报：材料科学英文版 . 2009,第006期

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4. Carbonation of Cement Mortar Subjected to Flexural Load [C] . International Conference of Architecture and Technology . 2008

机译：对弯曲载荷进行水泥砂浆的碳酸化
5. A comparative study in flexural tensile bond strength normal to bed joints between masonry cement mortars and Portland cement lime mortars. [D] . Ngowthammatas, Weerapong. 1988

机译：砌体水泥砂浆和波特兰水泥石灰砂浆之间垂直于床缝的抗弯拉伸粘结强度的比较研究。
6. Study on the Carbonation Behavior of Cement Mortar by Electrochemical Impedance Spectroscopy [O] . Biqin Dong, Qiwen Qiu, Jiaqi Xiang, 2014

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7. Acoustic emissions and electric signal recordings, when cement mortar beams are subjected to three-point bending under various loading protocols [O] . A. Kyriazopoulos 2017

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Carbonation of Cement Mortar Subjected to Flexural Load

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