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。
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.
研究了聚丙烯纤维和微膨胀复合对混凝土抗折强度、抗渗性和收缩变形的影响。
The influence of compounding polypropylene fiber and expansion on flexure strength, impermeability and the shrinkage deformation is studied.
其低温开裂机理表明聚酯纤维低温抗裂性是影响沥青路面温度收缩裂缝的主要因素。
The low temperature mechanism indicates the capability of low temperature anti-cracking of polyester fiber is the main factor affecting temperature shrink crack.
在砂浆中加入聚丙烯纤维，可以改善砂浆的韧性，提高砂浆的抗裂性，减小收缩。
After fiber is mixed into Dry-mixed mortar, toughness, crack resistance of mortar will be improved, and dry shrinkage of mortar has reduced.
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。
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.
可分为有收缩性的肌性心室憩室和纤维性心室憩室。
The diverticulum could be devided into two types:contractile and fibrous type.
采用高性能强力纤维多层复合结构，机械强度高，抗开裂性好，热收缩力强；
Multi-layer composite structure with high quality puissant fiber was adopted. The products have high mechanical strength, good cracking resistance, and strong heat-shrinkable power.
木质纤维的生物尺寸稳定性好，混合料不会发生收缩沉降，并提高其抗裂性。
Biological dimensions of wood fiber has good stability, there will be no contraction of mixtures settlement, and to increase their crack resistance.
此外，在胀缩性方面，纤维的掺入减小了石灰土的膨胀性，但增加了收缩性。
Furthermore, addition of fibre caused a decrease in swelling potential of lime treated soils while led to an increase in shrinkage potential.
此外，在胀缩性方面，纤维的掺入减小了石灰土的膨胀性，但增加了收缩性。
Furthermore, addition of fibre caused a decrease in swelling potential of lime treated soils while led to an increase in shrinkage potential.
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