相关实验视频

Updated: Jan 16, 2026

Dynamic Pore-scale Reservoir-condition Imaging of Reaction in Carbonates Using Synchrotron Fast Tomography
10:18

Dynamic Pore-scale Reservoir-condition Imaging of Reaction in Carbonates Using Synchrotron Fast Tomography

Published on: February 21, 2017

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使用M5P模型对碳酸建筑石遭受模拟酸雨的损害演变的预测

Ali Bameri1, Ebrahim Ghasemi2, Mehdi Nasiri Sarvi1

  • 1Department of Mining Engineering, Isfahan University of Technology, Isfahan, 8415683111, Iran.

Scientific reports
|September 30, 2025
PubMed
概括

机器学习准确地预测了酸雨对建筑石材的破坏. 采用M5 Prime (M5P) 模型,将石材孔隙性确定为关键,其性能优于其他方法,有助于在脆弱地区的材料选择.

关键词:
酸雨是一种酸性雨.碳酸盐建筑石 碳酸盐建筑石损害预测 损害预测在M5P模型中,M5P是M5P.机器学习 机器学习

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Measuring and Mapping Patterns of Soil Erosion and Deposition Related to Soil Carbonate Concentrations Under Agricultural Management08:09

Measuring and Mapping Patterns of Soil Erosion and Deposition Related to Soil Carbonate Concentrations Under Agricultural Management

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When acids come into contact with concrete, they initiate a chemical reaction that dissolves the hydrated cement paste. This process leads to softening and structural weakening of the concrete. This issue is commonly observed in environments such as chimneys, sewers, and industrial settings. The severity of the damage increases as the pH of the water interacting with the concrete drops below 6.5. In particular, a pH under 4.5 can cause significant concrete damage.
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Mortar joint deterioration is a significant concern in masonry structures, with water accumulation in the joints leading to damage from freeze-thaw cycles. The repeated expansion of water during freezing and its melting during thawing develop and propagate cracks in the masonry joints. Eventually, this leads to the spalling of mortar from the joints, loosening masonry units and weakening the structure. The deteriorated mortar joints are also vulnerable to moisture intrusion into the walls.
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