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- Construction of steel fiber sprayed concrete in large underground rooms 钢纤维喷射混凝土在大型地下洞室施工中的应用
- Keywords XPM additive;steel fiber sprayed concrete;study by trial;mixture ratio;reinforcing dam; XPM外加剂;钢纤维喷射混凝土;试验研究;配合比;大坝加固;
- steel fiber sprayed concrete 钢纤维喷射混凝土
- steel fiber reinforced sprayed concrete (SFRSC) 喷射钢纤维混凝土
- Steel fiber reinforced sprayed concrete 喷射钢纤维混凝土
- The design of Steel Fiber Reinforced Concrete Segments was analyzed in this paper. 本文对钢纤维混凝土管片的设计进行了系统性分析。
- The research results also indi-cate that the steel fiber reinforced centrifugal concrete pipe has better durability. 研究还表明,离心钢纤维混凝土管具有较好的耐久性。
- The corrosion resistance of steel fiber is better than that of rebar in reinforced concrete. 摘要钢纤维混凝土中的钢纤维比钢筋混凝土中的钢筋耐腐蚀。
- As far as the rebuilding of damaged cement concrete are covering with bituminous layer and using steel fiber concrete. 摘要文章介绍水泥混凝土路面损坏后的改造方法,主要有加铺沥青层和采用钢纤维混凝土修补等。
- Based on this, a unified formula for the loads subentry considering concrete and steel fiber is given. 进而本文在此基础上提出关于混凝土和钢纤维分项的统一计算表达式。
- The experimental results show that steel fiber reinforced self-stressing concrete can significantly increase the cracking load of penstock. 试验结果表明,钢纤维自应力混凝土能够明显地提高压力管道的抗裂承载力。
- 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。
- The results show that steel fiber improves obviously concrete cracking and the reinforcing and toughening mechanisms of steel fiber are approached. 试验结果表明,钢纤维对改善混凝土开裂有明显效果,并且还探讨了钢纤维的抗裂、增强机理。
- The influence of shear-pattern steel fiber on plastic cracking, drying shrinkage and mechanical properties of concrete is studied by experiments. 摘要通过试验研究剪切型钢纤维对混凝土的塑性开裂、干燥收缩及混凝土力学性能的影响。
- Based on the strain equivalent principle, anelastic-plastic damage model of steel fiber reinforced concrete is proposed. 根据钢纤维混凝土在反复荷载下的弹塑性变形规律,从应变等价性原理出发,提出了弹塑性损伤模型;
- The failure mechanics and occurred some problem of sprayed concrete were analyzed in theory,then the roadway supporting form was redesigned for this mine,i.e. 从理论上分析了喷射混凝土破坏的机理以及喷射混凝土存在的问题,进而确定了采用锚网支护的可行性。
- In this paper,the flexural-tensile strength of layered steel fiber reinforced concrete was studied,and its reinforcement mechanism was analyzed briefly. 对层布式钢纤维混凝土的弯拉强度进行了试验研究,并对其增强机理做出了简要的分析。
- Practice shows that mixing of steel fiber can improve the concrete ductility of large pipe pile and reduce the brittle damage to large pipe pile due to hamming. 实践证明,掺入钢纤维,可以提高大管桩结构混凝土的延展性,减少锤击大管桩结构的脆性破坏。
- Based on the direct tension test, the characteristics of tension stress-strain full curves of steel fiber reinforced self-stressing concrete were investigated. 摘要通过直接拉伸试验研究了不同自应力等级下的钢纤维自应力混凝土的受拉应力-应变全曲线特征。
- The test studies show that SFRC has better electric conductivity than plain concrete, while the resistance is still remarkable because of the corrosion of steel fiber. SFRC的导电能力比素混凝土有所提高,但是由于钢纤维的锈蚀,SFRC的电阻仍然很大。