初步研究了纤维梯度分布对纤维增强混凝土及砂浆力学性能的影响。
In this paper, the effects of the fiber gradient distribution on the strength of steel-fiber-reinforced concrete and glass-fiber-reinforced mortar are studied.
通过采用氯丁胶乳改性混凝土及环氧砂浆面层进行更新改造，投用两年多，至今没有任何损坏。
After the replacement with modified concrete of chloroprene latex and epoxy cement mortar, no damages have been found after two years of operation.
水泥水化反应引起的化学收缩会引起砂浆及混凝土的体积变化，可能会导致收缩裂缝的产生。
The chemical shrinkage caused by cement hydration may bring out the volume change of mortar and concrete, and the appearance of cracking.
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