本文關(guān)鍵詞： 道路 橋梁 融雪劑 腐蝕 清雪方法 優(yōu)化　出處：《天津大學(xué)》2014年碩士論文　論文類(lèi)型：學(xué)位論文

【摘要】：為保證道路交通順暢,減少因積雪造成的道路堵塞和交通意外事故,人們使用融雪劑來(lái)融雪化冰。融雪劑給道路、橋梁等基礎(chǔ)設(shè)施以及草木植被和環(huán)境造成的腐蝕破壞和污染非常嚴(yán)重,在融雪劑不可或缺的今天,本文通過(guò)對(duì)路橋融雪劑的優(yōu)化研究,討論了如何科學(xué)的使用融雪劑,降低融雪劑的不利影響。目前使用最多的氯鹽類(lèi)融雪劑,腐蝕性強(qiáng),會(huì)造成鋼筋混凝土結(jié)構(gòu)的橋梁耐久性降低,瀝青混凝土路面使用功能下降。要減少融雪劑對(duì)路橋等基礎(chǔ)設(shè)施的腐蝕破壞,需從提高路橋基礎(chǔ)設(shè)施結(jié)構(gòu)的防腐抗腐能力和減少融雪劑的使用兩方面著手。本文列舉了人工掃雪、機(jī)械清雪、融雪劑融雪三種常用清融雪方式,通過(guò)調(diào)查,分析了這三種清融雪方式的適用條件和優(yōu)缺點(diǎn),就它們的融雪效率、經(jīng)濟(jì)成本、對(duì)基礎(chǔ)設(shè)施的腐蝕性和對(duì)環(huán)境的影響幾個(gè)方面進(jìn)行了對(duì)比。發(fā)現(xiàn)機(jī)械清雪雖然在清雪效率上低于融雪劑融雪,但在清雪成本上卻明顯優(yōu)于融雪劑,而且對(duì)路橋等基礎(chǔ)設(shè)施不造成腐蝕破壞,對(duì)環(huán)境沒(méi)有污染,是非常值得推廣的清雪方式。而融雪劑融雪速度最快,是保證雪后道路暢通,減少道路交通事故的最有效方式。在融雪劑不能替代的今天,科學(xué)的使用融雪劑非常重要,采取融雪劑與其他清雪方式配合使用,是降低融雪劑不利影響的好辦法。同時(shí)正確選擇融雪劑,根據(jù)不同類(lèi)型融雪劑的特點(diǎn),多種融雪劑配合使用可以充分發(fā)揮融雪劑的作用,避免融雪劑的浪費(fèi)。本文給出了南方地區(qū)、天津等華北地區(qū)、東北地區(qū)、西北地區(qū)在不同的溫度和不同降雪量的清雪條件下,如何使用清雪機(jī)械和融雪劑。通過(guò)科學(xué)的使用融雪劑,提高清融雪效率,減少融雪劑的用量,降低融雪劑對(duì)環(huán)境的污染,實(shí)現(xiàn)路橋融雪劑的優(yōu)化。
[Abstract]:In order to ensure smooth road traffic and reduce road congestion and traffic accidents caused by snow, people use snowmelt to melt ice. Bridge and other infrastructure as well as vegetation and environment caused by corrosion damage and pollution is very serious, in the snow melting agent indispensable today, this paper through the optimization of road and bridge snowmelt agent research. This paper discusses how to use snowmelt agent scientifically and reduce the adverse effect of snowmelt agent. At present, the most commonly used chlorine salt snowmelt agent is corrosive, which will reduce the durability of reinforced concrete bridge. The function of asphalt concrete pavement is decreased. It is necessary to reduce the corrosion damage of snow melting agent to the road and bridge and other infrastructure facilities. It is necessary to improve the anticorrosive ability of road and bridge infrastructure and reduce the use of snowmelt agent. This paper enumerates three common snow-clearing methods: artificial snow clearing, mechanical snow clearing and snow-melting agent. This paper analyzes the applicable conditions, advantages and disadvantages of these three ways of snow melting, their snowmelt efficiency, economic cost. The causticity of infrastructure and the impact on the environment are compared. It is found that although the efficiency of mechanical snow clearing is lower than that of snowmelt agent, it is obviously superior to snowmelt agent in the cost of clearing snow. And it does not cause corrosion damage to infrastructure such as roads and bridges, no pollution to the environment, is a very worthy of promotion of snow clearing method. And snow melting agent is the fastest speed, is to ensure the smooth road after snow. The most effective way to reduce road traffic accidents. In today's snow melting agent can not be replaced, the scientific use of snow melting agent is very important. It is a good way to reduce the adverse effects of snowmelt agents. At the same time, the correct selection of snowmelt agents, according to the characteristics of different types of snowmelt agents, the use of various snowmelt agents can give full play to the role of snowmelt agents. In order to avoid the waste of snow melting agent, this paper gives the conditions of snow clearing under different temperature and different snowfall amount in the southern region, Tianjin and other North China, northeast and northwest areas. How to use snow clearing machinery and snowmelt agent. By using snowmelt agent scientifically, the efficiency of snowmelt is improved, the amount of snowmelt agent is reduced, the pollution caused by snowmelt agent is reduced, and the optimization of road and bridge snowmelt agent is realized.
【學(xué)位授予單位】：天津大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2014
【分類(lèi)號(hào)】：U418.41;U445.7

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