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当前位置:钢纤维您不知道的特异功能
钢纤维您不知道的特异功能
[来源:http://www.gangxianwei51.com] [作者:aywl] [日期:17-03-13] [浏览次数:]
在了解钢纤维的在工程中的具体应用之前我们首先要先了解下当加入混凝土后一些性能,加入后的极限性能的抗拉强度和加入之前基本相同,但是加入后有一个明显的提高那就是在弯曲韧度有大幅度的提高。   我们都知道钢纤维有不同的型号,不同的原料生产出来的钢纤维具有不同的抗拉强度和弯曲韧度。从生产工艺上可以分为剪切型、铣削型。对不同的产品我们对钢纤维的应用以及实验都是不尽相同的,具体的应用实例阅读《在高速公路、高铁、地坪施工中用到哪些钢纤维》一文这里就不做过多介绍了。   说到地下工程那就要考虑工程的抗压强度和抗拉强度,至于为什么要考虑这些那就不需要过多的介绍了。弯曲韧性是钢纤维喷射混凝土的主要性能,一般在工程中如果要使用到钢纤维都会有专门的说明,到底使用那中型号的,那种抗拉强度的钢纤维。目前我过在隧道工程中的钢纤维喷射混凝土设计中应用到的“弯曲韧度系数”值大都在68%以上。   目前钢纤维喷射混凝土在我国的铁路和隧道还有水利工程地下部分都已经又说应用了,并且逐步形成了一种趋势。 In understanding of steel fiber reinforced concrete in engineering application before the first thing we need to know when to join some performance after the concrete, the tensile strength of the extreme performance after China's entry into wto and before joining basic same, but in an obvious increase after that is a dramatic increase in the flexural toughness. We all know that steel fiber has different models, different raw materials to produce steel fiber with different tensile strength and flexural toughness. From the production process can be divided into shear type, milling. For different products our application and experiment of steel fiber is different, specific application examples of reading "on the highway, high-speed rail, floor construction which used in the steel fiber" is introduced here don't do too much. Speaking of underground project that is about to consider the compressive strength and tensile strength, as to why want to consider those that don't need too much are introduced. Flexural toughness is a major performance of steel fiber reinforced shotcrete, generally if you want to use in the project to the steel fiber can have special instructions, whether using the model, the tensile strength of steel fiber. Now I have in the design of steel fiber reinforced shotcrete in the tunnel engineering is applied to the "bend toughness coefficient values are mostly in more than 68%. The steel fiber sprayed concrete in our country railway and tunnels and underground water conservancy engineering parts have been added application, and gradually formed a trend.

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