The early-age mechanical properties and drying shrinkage of high performance concrete added with fiber were studied to investigate the development of stress in restrained concrete and predict the cracking age of concrete more precisely.
为了揭示受约束混凝土内部的应力发展以及更好地预测混凝土的开裂时间,研究了纤维对高性能混凝土早龄期力学性能与干燥收缩的影响,考虑徐变、约束度等影响因素,在弹性理论基础上,推导了受约束混凝土环应力增量表达式,采用应力破坏准则预测受约束混凝土开裂时间。
Prediction of the Chloride Diffusivity of Concrete and the Time to Surface Cracking;
混凝土氯离子扩散系数和表面开裂时间预测
The cracking has occurred in a predictable manner and time.
开裂是在一种预计的方式和时间内发生的。
A big gap yawned between the rocks.
岩石间豁开一个大裂口。
The most important conclusion reached in this study is that cracking begins regardless of the initial loading nucleation time.
这个研究最重要的结论是：裂纹的开始与初始载荷成核的时间无关。
cleft palate ;deformed condition in which the roof of a person's mouth is split at birth
唇裂（出生时唇板裂开的畸形）.
burst or split open, as of flowers and seeds when releasing pollen or seeds.
像花授粉或种子播种时爆裂或裂开。
What breaks in a moment may take years to mend.
瞬间的破裂需要几年的时间去修补。
A split or indentation between two parts, as of the chin.
开裂，凹陷两部分间（如下巴）的裂隙或凹口
Tee time interval：8 mins one tee time.
开球时间间隔：8分钟为一个开球时间。
(3) To decide on the time of meetings;
（三）决定开会时间；
Oh. it 's time for the meeting .
啊！ 开会时间到了。
The time at which the two reductive divisions occur is not necessarily coincident to the time of ovulation.
两次减数分裂的时间不一定与排卵时间相一致。
An indehiscent legume, as of the tick trefoil, usually constricted between the seeds and separating at maturity into one - seeded segments.
节英一种不开裂的豆荚，如被套车轴草的果实。通常压缩于种子之间，成熟时分成包有一籽的小室
expected time of departure
预计开航时间预计离开时间
But you don't fry them too long or they break."
但不要炸得时间过长否则会破裂。
The room soon filled with the water spurting from the broken pipe .
水管破裂后房间内顿时充满了水。
schizophrenia of abrupt onset and relatively short duration (a few weeks or months).
突然发作持续时间较短的分裂症。
Dr Nash suffered from schizophrenia for a long time.
纳什教授长时间患有精神分裂症。