| 钢纤维的适用环境 |
| 添加时间：2019/1/10 13:48:04 浏览次数： |
| 现代建筑资料的必备原料之一,钢纤维作为增强混凝土强度的资料.钢纤维的发展直接影响着混凝土行业的发展,钢纤维混凝土也是发展速度最快、应用范围最广的新型复合资料。用钢纤维机生产进去钢纤维主要是用到混凝土中以加强混凝土的粘合度,提高混凝土的韧性和自身强度,钢纤维在施工使用时的施工技术也是有一定的要求的,其中搅拌是关键,而且在水泥的选择上也很重要,水泥标号不能低于425号,水泥比不大于0.5,粗骨颗粒径长度应不逾越钢纤维长度的三分之二,钢纤维体积一般在0.52%之间,而且在搅拌钢纤维混凝土时不能使用海水,否则就会影响质量。 Steel fiber is one of the necessary raw materials for modern building materials, which is used to enhance the strength of concrete. The development of steel fiber has a direct impact on the development of the concrete industry. Steel fiber reinforced concrete is also a new composite material with the fastest development speed and the widest application range. Steel fibers produced by steel fibre machine are mainly used in concrete to strengthen the cohesion of concrete, improve the toughness and strength of concrete. The construction technology of steel fibers in construction is also required. Mixing is the key, and the selection of cement is also very important. Cement label should not be less than 425, cement ratio should not be less than 0.5, and the diameter length of coarse bone should not exceed 0.5. Two-thirds of the length of steel fibers, the volume of steel fibers is generally between 0.52%, and seawater can not be used when mixing steel fibre concrete, otherwise the quality will be affected. 可以显著改善混凝土出现裂缝的现象,钢纤维主要是加在混凝土中起到牢固混凝土的作用.可以让混凝土具有抗拉、抗冲击、抗弯的性能,另外再加入防水剂,可以有效起到防潮、耐磨等作用,具有较好的延性,现代水利水电工程、市政建设中,应用非常广泛。钢纤维混凝土加入钢纤维能够有效地阻碍混凝土内部微裂缝的扩展及宏观裂缝的形成,显著改善了混凝土的抗拉、抗弯、抗冲击及抗疲劳性能。钢纤维混凝土中外加防水剂,具有防潮、阻裂、耐磨等优点,对地下室及人防工程的防水潮起到良好的作用.还可以用在地下水泵防水等。钢纤维混凝土是普通混凝土中掺入乱向分布的短钢纤维所形成的一种新型的多相复合材料.显著地改善了混凝土的抗拉、抗弯、抗冲击及抗疲劳性能,具有较好的延性.现代水利水电工程施工中,应用非常广泛. It can significantly improve the phenomenon of concrete cracks. Steel fibers are mainly added to concrete to play a role of solid concrete. It can make concrete have the properties of tensile, impact and bending resistance. Additionally, waterproofing agent can effectively play the role of moisture-proof and wear-resistant. It has good ductility. It is widely used in modern water conservancy and hydropower projects and Municipal construction. Steel fiber reinforced concrete (SFRC) can effectively prevent the expansion of micro-cracks and the formation of macro-cracks in concrete, and significantly improve the tensile, flexural, impact and fatigue properties of concrete. Steel fiber reinforced concrete with waterproofing agent has the advantages of moisture-proof, crack-proof and abrasion-resistant. It plays a good role in waterproof tide of basement and civil air-proof engineering. It can also be used in groundwater pump waterproofing. Steel fiber reinforced concrete (SFRC) is a new type of multiphase composite material formed by mixing short steel fibers with random distribution in ordinary concrete. It has remarkably improved the tensile, flexural, impact and fatigue resistance of concrete, and has good ductility. It is widely used in the construction of modern water conservancy and Hydropower projects. |
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