A lot of tests are made to guarantee the quality of fiber reinforced shotcrete for replacement of mesh installations.
钢纤维和聚丙烯纤维喷射混凝土在隧道和采矿工程中有着广泛的应用。
Slag admixture quantity affected to setting time of steel fiber shotcrete;
矿渣掺量对钢纤维喷射混凝土凝结时间的影响
The article illustrates the technics to spray the steel fiber shotcrete on the primary ordinary shotcrete,analyzes the structural characteristics of rock mass,primary shotcrete and steel fiber shotcrete.
探讨在原衬砌加喷钢纤维喷射混凝土的方法。
According to correlative standardst,he practical calculation method is achieved aiming at the steel fiber shotcrete support used in tunnel.
采用一维震塌模型,运用拉应力累积损伤破坏准则,分析常规爆炸作用下坑道震塌剥落条件,针对钢纤维喷射混凝土支护,结合现行有关规范,推导出震塌剥落层速度的实用计算方法,并运用数值模拟手段对计算结果进行验证,通过钢纤维喷射混凝土支护坑道的震塌剥落层速度与其他支护类型及毛洞的震塌剥落层速度对比,量化说明钢纤维喷射混凝土支护抗爆炸震塌的能力。
Application of steel fiber sprayed concrete with machine-processed sands to railway tunnel;
机制砂钢纤维喷射混凝土在铁路隧道中的应用
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
Experimental study on the strength of steel fiber sprayed concrete for tunnel;
隧道钢纤维喷射混凝土强度试验研究
The paper aimed at how to go on the control of construction quality,analysis the material of steel fiber reinforced shotcrete,construction equipment and construction technology,people and management of steel fiber reinforced shotcrete.
就如何进行钢纤维喷射混凝土的施工质量控制,从钢纤维喷射混凝土的组成材料、施工设备与施工工艺、施工人员及管理三个方面进行了分析,并结合施工现场经验,提出了保证钢纤维喷射混凝土施工质量的控制途径。
According to the mechanical analysis of principle of steel fiber reinforced shotcrete structure,the applicability of steel fiber reinforced shotcrete in the tunnel of single-layer permanent lining is researched.
根据钢纤维喷射混凝土结构力学原理,为了研究钢纤维混凝土喷层在隧道单层永久衬砌支护中适用性,先分析钢纤维在混凝土中的增强力学作用机制,然后完成钢纤维喷射混凝土合理配比、抗拉、抗压、抗折及抗折初裂强度和弯曲性能等指标的室内试验;并结合具体的隧道现场喷射试验,以及围岩应力、钢纤维混凝土喷层应力及洞周附加水平收敛等监测数据进行分析。
Fracture mechanism and property indicator for fibre and yarns;
对纤维和纱线断裂机理及属性指标的再认识
The Research and Application of Fibres as Sand Control in Gudong Oilfield;
防砂用纤维的筛选及其表面处理技术的研究
Review of Progress in Investment Casting Technology at Abroad Part Ⅲ;Polymer and Fibre Reinforced Sol Silicate;
聚合物和纤维增强硅溶胶——国外精铸技术进展述评(4)