The paper introduces the anticlastic and water-tight performance of low content polypropylene fiber concrete.
本文介绍了低含量聚丙烯纤维混凝土的抗弹性和防水性能。
It also put forwards to the construction method of polypropylene fiber concrete and a few typical cases of its application.
简要介绍了聚丙烯纤维混凝土的施工方法以及若干国内外典型的应用实例。
In this article, the author studys the properties of polypropylene fiber concrete in water resources and hydropower engineering.
在本文中，笔者对水利水电工程中聚丙烯纤维混凝土的特性进行了研究。
Through orthogonal experiment the suitable ratio polypropylene fiber concrete with low content was found, and the paper analyses influencing factor on strength.
通过正交试验对低掺量聚丙烯纤维混凝土强度因素影响作了分析，并得到了优化的试验配比。
According to mechanical principle of polypropylene fiber concrete structure, the applicability of polypropylene fiber concrete in the coal mine spray tunnel protection is researched.
根据聚丙烯纤维混凝土结构力学原理，研究聚丙烯纤维混凝土喷层在煤矿锚喷巷道支护中适用性。
If we use polypropylene staple fiber in the construction industry, then the shrinkage of concrete cracks will be a good help, but also to avoid cracks in mortar.
如果我们将聚丙烯短纤维应用在建筑行业当中的话，那么混凝土裂缝的收缩性会得到良好的帮助，而且还可以避免砂浆出现裂缝问题。
Effects of polypropylene fiber (PPF) on properties of phosphate cement-based concrete, such as flowability, operable time, flexural and compressive strength were investigated.
主要研究了聚丙烯纤维(PPF)对磷酸盐混凝土性能如流动性、可操作时间、抗折和抗压强度的影响。
Mechanism for effects of polypropylene fiber on crack resistance of concrete was also discussed.
同时，探讨了聚丙烯纤维对混凝土抗裂性能影响的机理。
The experiment result shows that adding polypropylene fiber into concrete can improve its ductility and inhibit its cracking process and ultimately achieve the cracking-control aim.
试验结果表明，在混凝土中掺入聚丙烯纤维可以提高混凝土的韧性，抑制混凝土的开裂过程，从而有效达到防裂的目的。
Introduces properties of polypropylene short fiber for building and improvement in concrete properties when added into the concrete.
介绍了建筑用聚丙烯短纤维的性能以及将其掺用在混凝土后对混凝土性能的改善作用。
Compared with normal concrete, polypropylene fiber reinforced concrete has advantages in ductility, durability, fracture energy, impact resistance, abrasion, and so on.
与普通混凝土相比较，聚丙烯纤维混凝土在延性、耐久性、断裂能、抗冲击性及耐磨性等方面有更为优良的特性。
The experimental results for workability, air content, compressive strength and flexural toughness of modified macro polypropylene fiber reinforced high performance concrete are presented.
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。
Polypropylene fiber is easy to spread around uniformly in concrete, to increase in effect the cracking resistance performance of concrete.
聚丙烯纤维在混凝土中易于均匀分散，能有效的提高混凝土的抗裂性能。
The flexural toughness of plain concrete, polypropylene fiber reinforced concrete and layered hybrid fiber reinforced concrete are experimentally studied.
通过试验研究了素混凝土、聚丙烯纤维混凝土和层布式混杂纤维混凝土的弯曲韧性。
The material properties of concrete, steel bar and polypropylene fiber mortar of the test beams were studied in this paper.
本文对试验梁混凝土、钢筋、聚丙烯纤维水泥砂浆的材料性能进行了相关试验研究。
Obviously, the addition of polypropylene fibers is significant in controlling plastic shrinkage cracks in the early stage and improving ductility for concrete at low fiber volume fraction.
低掺量的聚丙烯纤维掺入混凝土后可显著控制混凝土早期收缩裂缝，提高混凝土的耐久性。
The influence of shrinkage-reducing agent, polypropylene fiber and expansion agent on strength and dry shrinkage of the concrete were systematically tested.
系统测试了单掺聚丙烯纤维、单掺膨胀剂和双掺聚丙烯纤维与膨胀剂对混凝土空心砌块抗渗性能和湿胀干缩的影响规律。
The use of polypropylene fiber in concrete of the bridge deck paving can improve its tensile strength, bending strength, permeability strength, impact ductility, cracking resistance and toughness.
在桥面铺装层混凝土中掺用聚丙烯纤维能够增强其抗拉、抗折、抗渗、抗冲击能力，并起到阻裂增韧的作用。
This paper introduces the mixing ratio design, construction, technical performance and application of polypropylene high-performance fiber concrete.
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。
But adding the polypropylene fiber to improve the toughness of high strength concrete is an important direction in present study.
而通过掺加聚丙烯纤维提高高强混凝土的韧性是当前的重要研究方向。
The polypropylene fiber reinforced concrete, which is a new type of the tunnel lining structure, has the characteristic of easy construction and can improve the concrete behavior and durability.
聚丙烯纤维喷混凝土作为隧道锚喷支护中的新型支护方式，具有施工便捷特点，并可以改善混凝土的性能和耐久性。
The influences of hybrid fiber (steel fiber and polypropylene fiber) on the mechanical properties of pavement concrete were investigated in this paper.
研究了混杂纤维(钢纤维和聚丙烯纤维)对道路混凝土力学性能的影响。
The polypropylene fiber can effectively control the length, width and number of the drying shrinkage crack of early-age concrete.
聚丙烯纤维可有效控制混凝土早期干缩裂缝的长度、宽度和数量。
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.
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。
The application of polypropylene in building zone are reviewed, inclusive of pp pipe, pp fiber geotextile, pp fiber concrete and other pp plastics article.
综述了聚丙烯在建筑领域中应用，包括聚丙烯管材、聚丙烯土工布、聚丙烯纤维混凝土及其他制品在建筑材料中应用情况。
The influences of steel fiber and polypropylene fiber on the mechanical properties of pavement concrete were investigated in this paper.
研究了钢纤维和聚丙烯纤维对道路混凝土力学性能的影响。
This paper analyzes the reasons of crack for steel-concrete composite floor, and describes the anti-crack effect of polypropylene fiber in concrete.
压型钢板-混凝土组合楼板因具有刚度大、延性好、施工方便、经济效益优越等特点，目前在我国得到较广泛的应用。
This paper analyzes the reasons of crack for steel-concrete composite floor, and describes the anti-crack effect of polypropylene fiber in concrete.
压型钢板-混凝土组合楼板因具有刚度大、延性好、施工方便、经济效益优越等特点，目前在我国得到较广泛的应用。
应用推荐