本论文首先对粗合成纤维混凝土的力学特性进行了一系列试验研究，其中包括：（1）抗弯试验；
A series of tests are firstly conducted in this paper, and they are: (1) flexural test;
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).
对掺入大直径合成纤维后的混凝土拌和物性能以及混凝土硬化试件的抗冲击性能进行了试验研究。
Large diameter synthetic fiber reinforced concrete was made for measuring the properties of fresh concrete mixture and the impact resistance of the hardened samples.
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.
有机钢纤维，即粗合成纤维，作为钢纤维的替代产品，可以有效的提高混凝土的各项力学性能及耐久性能。
Organic steel fiber, as an alternative product of steel fiber, can effectively improve the mechanical properties and durability of concrete.
有机钢纤维，即粗合成纤维，作为钢纤维的替代产品，可以有效的提高混凝土的各项力学性能及耐久性能。
Organic steel fiber, as an alternative product of steel fiber, can effectively improve the mechanical properties and durability of concrete.
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