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传统井盖为什么容易丢?

来源:http://www.kpp647.com添加时间:2019-06-10 20:06:44

井盖虽不起眼,但它的生存环境非常恶劣。身处马路中央,它每天都要暴露在浓重的、具有腐蚀性的汽车尾气中,被重载的汽车反复地碾压、振动成百上千次,而且,其下覆盖的雨水、污水等也有较强的腐蚀性。因此,小小井盖的工作压力是非常大的。

Although the well cover is not noticeable, its living environment is very bad. Located in the middle of the road, it is exposed to the strong and corrosive automobile exhaust every day. Heavy-duty vehicles repeatedly crush and vibrate hundreds of times. Moreover, the rain and sewage covered under it are also corrosive. Therefore, the working pressure of small well cover is very high.

同时,井盖的责任又非常重大。一旦井盖破裂就会造成很大的安全隐患,尤其一到冬天,北方积雪覆盖的城市每年都要发生几起行人掉进下水道的惨案。一座城市动辄有几万只井盖,经常对井盖进行更换显然是市政开支无法承受的。因此,井盖必须要有很强的耐久性。

At the same time, the responsibility of well cover is very important. Once the well cover is broken, there will be a great potential safety hazard. Especially in winter, several pedestrian accidents fall into the sewer every year in snow-covered cities in the north. There are tens of thousands of manhole covers in a city. The frequent replacement of manhole covers is obviously unaffordable for municipal expenditure. Therefore, the well cover must have a strong durability.

出于这些高标准,在历史上,井盖通常是由金属铸成,材质通常为球墨铸铁,有些井盖为了耐磨,甚至采用昂贵的青铜作为材料。这样的井盖回炉就是一块上好的金属,即使卖作废铁也能值上几百块钱。因此,虽然对偷井盖严打严抓,但只要有经济利润在,就必然有人铤而走险。

Because of these high standards, in history, well covers were usually made of metal, usually made of ductile iron, and some of them were made of expensive bronze for wear resistance. Such a well cover is a good piece of metal, even if sold as scrap iron can be worth hundreds of dollars. Therefore, although we must pay close attention to stealing wells, as long as the economic profits are in place, some people will take risks.

山东球墨铸铁井盖

也有人尝试过用价值比较低的材料制造井盖,例如先扎好钢筋笼,再浇筑上普通混凝土,制成钢筋混凝土井盖。这样,即使有人偷了井盖,也只能得到井盖中的一点点钢筋,砸碎的混凝土是毫无价值的。

Others have tried to use less valuable materials to make well covers, such as putting steel cages in place first, then placing ordinary concrete on them to make reinforced concrete well covers. In this way, even if someone steals the well cover, only a little steel bar can be obtained in the well cover. The broken concrete is of no value.

然而,普通的钢筋混凝土对环境的耐受能力远不及铸铁,多几辆超载的卡车碾过,井盖就会破得不成样子,因此这样的混凝土井盖便总是以一种破破烂烂的形象示人。

However, ordinary reinforced concrete is far less tolerant to the environment than cast iron。 If more than a few overloaded trucks run over, the well cover will be worn out。 Therefore, such a concrete well cover will always show a broken image。

加之,钢筋笼的绑扎、混凝土的浇筑工序繁琐,这样一个井盖的价格有时比铸铁的还高。

In addition, the binding of reinforcing steel cages and the pouring of concrete are cumbersome. The price of such a well cover is sometimes higher than that of cast iron.

因此,这样的混凝土井盖用得也不多,经常还是被迫用回铸铁井盖。

As a result, such concrete covers are rarely used, often forced to use cast iron covers.

本文由山东球墨铸铁井盖厂家进行编写,想要了解更多的产品及更详细的精彩内容,请关注我们的官方网站:http://www.kpp647.com惠顾是对我们很大的支持。

This article is written by Shandong Ductile Iron Well Cover Manufacturer。 For more products and more details, please pay attention to our official website: http://www。jnwszy。com patronage is our great support。



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