Simple use of sprayed concrete anchor mesh steel arch support, the roof pressure can easily cause distortion of steel arch, spray body cracking off the roof down, Portal deformation.
纯真地采用锚网钢拱架放射混凝土支护,在顶板来压时,易发生钢拱架扭曲变形,喷体开裂零落,顶板下沉,洞门变形。
Study on material for special sprayed concrete has been made for the purpose of improvement of sprayed concrete quality and expanding its application.
为提高喷混凝土的质量和拓宽用途,进行了特种喷混凝土材料的试验研究。
As a new type compound material, steel fiber sprayed concrete exhibits excellent characteristics and applied extensively.
混凝土是一种性能优良的新型复合材料,应用领域十分广泛。
Wet sprayed concrete for supporting purposes during the drive, in situ concrete for the up to 3 m thick Base and for lining the vault.
掘进过程中的支护采用湿喷混凝土,3米厚的基底和穹拱衬砌采用浇注混凝土。
The wet sprayed concrete technique has good virtue of improving the working condition within the tunnel, fewer reflective concrete loss and higher sprayed concrete quality.
湿法喷射混凝土有效地改善隧道内作业环境、反弹量小、喷射质量高,是隧道支护结构施工的一个值得推广的工艺。
As we start down the decline, the smell of the bored rock and sprayed concrete is strong.
我们开始往下走,石头和散发的混凝土的味道很浓烈。