介绍聚丙烯高性能纤维混凝土的配合比设计、施工、技术性能及应用情况。
This paper introduces the mixing ratio design, construction, technical performance and application of polypropylene high-performance fiber concrete.
在原材料中合理掺入外加剂、粉煤灰、有机纤维等配料是获得高性能混凝土的重要途径。
Adding admixture, fly ash, organic fiber into raw materials is an important way to get high-performance concrete.
研究了钢纤维和有机合成纤维对高性能轻骨料混凝土的增强增韧效果。
This paper studies effects of steel fibers and synthetic fibers on mechanical properties of high performance lightweight aggregate concrete (LWAC).
按照国际标准对新型仿钢丝聚丙烯合成长纤维增强高性能混凝土的工作度、含气量、强度及弯曲韧性进行了试验研究。
The experimental results for workability, air content, compressive strength and flexural toughness of modified macro polypropylene fiber reinforced high performance concrete are presented.
结果表明通过纤维的增强和增韧作用,超高性能混凝土的抗弯强度和弯曲韧性指数分别提高到2倍和10倍以上。
Results showed that the flexual strength and the flexual toughness index of UHPC become more than 2 times and 10 times respectively of those of the matrix concrete by the reinforcement of fibers.
纤维塑料筋是一种性能优越的高性能复合材料,适用于土木工程混凝土结构。
FRP rebars, as one kind of high performance composite materials, are applicable to concrete structures in civil engineering.
目的揭示钢纤维和聚丙烯纤维混杂后对高性能混凝土强度和抗裂性能的影响。
The paper presents an experimental study on the splitting strength and compressive strength of hybrid fiber reinforced high-performance concrete.
试验结果表明高性能混凝土中添加0.5%(体积比)的钢纤维对极限粘结强度略有提高,峰值粘结应力对应的滑移有较大的增长;
The experimental results indicated that when 0.5%(volume fraction) steel fibers were added to HPC, the ultimate bond stress was improved and the corresponding slip was also increased.
断裂参数研究是UHPFRC(超高性能纤维改性混凝土)断裂性能研究的关键课题之一。
The research on facture parameters is one of the key projects on UHPFRC (ultra high performance fiber reinforcement concrete).
与低强凸痕型钢纤维相比,端部带弯钩的高强钢纤维对高性能混凝土弯曲韧性和断裂能的提高效果更为显著。
Compared to the marked steel fiber with lower strength, the hooked steel fiber with higher strength has better effects on the flexural toughness and fracture energy of HPC.
将体积率为1%、2%、3%的微钢纤维掺入高性能混凝土的基体中,考察并分析钢纤维的体积率对高性能混凝土的抗压强度和抗弯性能的影响。
The effects of the different volume-ratios of the micro steel fiber, including 1%, 2%, 3%, are experimentally observed and analyzed on the compressive strength and bending performances.
因此,在我国西部盐湖地区,纤维增强高性能混凝土属于高耐久性的混凝土,适用于不同类型的盐湖环境。
Consequently, fiber reinforced HPC is applicable to the various types of salt lakes in the west of China.
苏通大桥部分桥面调平层超薄,决定采用高性能混凝土并掺入聚丙烯纤维的技术措施,解决超薄调平层混凝土易开裂、抗渗性差等技术难题。
Because of the ultrathin leveling course in Sutong Bridge, high performance concrete with polypropylene fiber is applied to solve some technique problems of easily cracking and worse impermeability.
试验结果表明,在掺活性掺合料高性能混凝土中掺加一定量合成纤维可以使混凝土或砂浆减裂95%以上,并可以提高混凝土耐久性。
Final results of experiment indicate that adding some synthetic fiber to HPC with the mineral admixture or cement mortar can decrease cracking 95% at least and enhance the durability of concrete.
结合水电工程的实际,开展了纤维素纤维在水工抗冲磨高性能混凝土中应用的试验研究。
Based on the hydropower engineering practice, an experimental study is made on the application of cellulose fibre to high performance hydraulic abrasion-resistance concrete.
结合水电工程的实际,开展了纤维素纤维在水工抗冲磨高性能混凝土中应用的试验研究。
Based on the hydropower engineering practice, an experimental study is made on the application of cellulose fibre to high performance hydraulic abrasion-resistance concrete.
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