含氯离子的各种除冰剂对公路混凝土抗结垢性及氯离子渗透深度的影响

IF 0.5 Q4 CONSTRUCTION & BUILDING TECHNOLOGY

Roads and Bridges-Drogi i Mosty Pub Date : 2020-03-31 DOI:10.7409/RABDIM.020.003

P. Reiterman, M. Keppert

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引用次数: 10

摘要

使用氯基除冰器是最常见的道路冬季维修措施，以防止危险的驾驶情况。氯基除冰器是世界上最常用的。除冰剂的主要困难是它们对混凝土、道路基础设施的其他组成部分和车辆的有害影响。本文叙述了各种氯盐与混凝土的相互作用;实验方案的重点是评价最常用的氯化物除冰剂对公路建筑所用的掺气混凝土的损害。使用了三种单独的盐——NaCl、cacl2、MgCl 2和一种混合盐(NaCl + cacl2)。从冻融循环过程中混凝土表面结垢、残余力学性能和氯离子最终进入等方面研究了它们对混凝土的影响。氯化钙对混凝土的影响最大。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Effect of various de-icers containing chloride ions on scaling resistance and chloride penetration depth of highway concrete

The use of chloride-based de-icers belongs to the most common road winter maintenance measures applied to prevent dangerous driving conditions. Chloride-based de-icers are the most frequently used worldwide. The essential difficulty with de-icers is their detrimental effect on concrete, other components of the road infrastructure and on vehicles. The interaction of various individual chloride salts with concrete is described in the paper; the experimental programme was focused on evaluation of the most frequently applied chloride-based de-icers in terms of damage to the air-entrained concrete used for highway construction. Three individual salts – NaCl, CaCl 2 , MgCl 2 – and one blend (NaCl + CaCl 2 ) were used. Their effect on concrete was investigated in terms of surface scaling during freezing-thawing cycles, residual mechanical properties and final ingress of chloride ions. Calcium chloride exhibited the most detrimental effect on the studied concrete.

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来源期刊

Roads and Bridges-Drogi i Mosty CONSTRUCTION & BUILDING TECHNOLOGY-

CiteScore

1.20

自引率

0.00%

发文量

期刊介绍： The quarterly journal Roads and Bridges – Drogi i Mosty is published by the Road and Bridge Research Institute since September 2012 as a bilingual English-Polish journal. From 2002 to 2012 the journal was printed under the title Drogi i Mosty. The journal mission is to promote current achievements in science and technology in the field of road and bridge engineering. The journal is intended as a forum of the exchange of innovative concepts and solutions between the researches from different countries. Original scientific and technical papers in the field of civil engineering and related engineering sciences are published. The scope of Roads and Bridges – Drogi i Mosty includes design, construction, maintenance and safe use of roads, bridges, airports and other transportation structures.