由于管片内部裂缝观测难以实现，故重点研究了表面裂缝的影响。
Because the observation of interior crack is not always available, this paper laid emphasis on surface crack of segments.
声发射技术已经应用于金属和混凝土结构中，作为探测内部裂缝的一种无损检测方法。
Acoustic emission (AE) technique has been applied to metallic and concrete structures as a nondestructive testing (NDT) method for detection of internal cracks.
如果一只蚂蚁找到了一个出色的洞穴——比如橡子或岩石裂缝的内部——它就会叫来另一只侦察蚁对洞穴进行检查。
If an ant finds an outstanding hole—such as the inside of an acorn or a rock crevice—it recruits another scout to check it out.
岩石物质从地球内部的裂缝处向上流动，迫使海底向两边分开，为新的岩石物质腾出空间。
The rock material flows up from Earth's interior here, at the split, which forces the two sides of the ocean floor to spread apart, to make room for the new rock material.
超过一个世纪以来，研究者就懂得石灰岩洞形成的基本原理：可能由于内部的压力，石头上出现了微小的裂缝，然后水开始渗透。
For more than a century, researchers have known the basics of how limestone caves form: a tiny fracture opens in the rock, perhaps due to some internal stress, and water begins percolating through it.
超过一个世纪以来，研究者就懂得石灰岩洞形成的基本原理：可能由于内部的压力，石头上出现了微小的裂缝，然后水开始渗透。
For more than a century researchers have known the basics of how limestone caves form: a tiny fracture opens in the rock perhaps due to some internal stress and water begins percolating through it.
这个无线收音机内部有发丝那么细的裂缝，所以他愿意打折扣重做一批。
Some of the casings for this internet radio had hairline fractures in them (or so he claimed) so he offered to redo the batch at great discount.
这种基层具有较大的空隙率，能及时排走滞留在路面内部的水分，并能有效地减少反射裂缝的发生。
The base has bigger percent air voids and can promptly detain pavement interior water, and can effectively reduce the reflection crack.
大体积混凝土的水化热不容易及时散发，内部温升将会很高，从而产生很大的温度应力，导致出现温度裂缝。
The hydration heat of massive concrete does not emanate easily, so the internal temperature will be very high which will generate high thermal stress, then the temperature crack will appear.
如养护不周、时干时湿，表面干缩形变受到内部混凝土的约束，也往往导致裂缝。
If conservation planning, wet, dry, the surface of a raisin deform internal concrete binding, but also often lead to cracks.
在实践的基础上，提出了钢筋混凝土结构裂缝的治理方法，包括表面修补法和内部修补法。
Based on the practice, this paper advances some measures for treating the structural cracks on the reinforced concrete, including the surface patching method and the internal patching method.
对于大体积混凝土建筑，水泥水化热引起混凝土浇筑内部温度和温度应力剧烈变化，是导致混凝土发生裂缝的主要原因。
For mass concrete construction, cement caused by hydration heat of concrete pouring temperature and internal stress of dramatic changes in temperature, is the main reason for cracks in concrete occur.
结果表明，造成注采矛盾，影响开发效果的主要原因是：油田内部存在微型小断层、裂缝、稠油环带等复杂地质因素。
The result shows that major causes of injection-production problem and factors affecting development response are micro faults, fractures, and heavy oil girdle, etc.
大粒径透水性沥青混合料(LSPM)基层是一种路面内部排水结构，能及时排走滞留在路面内部的水分的基础上，能有效地减少反射裂缝的发生。
Large stone porous asphalt mixes (LSPM) base is a kind of pavement internal draining water structure. It can promptly detain pavement interior water, and can effectively reduce the reflection crack.
混凝土坝老化表现在表层碳化、冻融、风化、内部溶蚀、冻胀、裂缝发育以及体积改变等。
The aging of concrete DAMS is manifested by surface carbonization, freeze-thaw, abrasion, weathering, internal corrosion, frost-heaving, cracks, water erosion and et al.
认为岩石断裂是岩石内部微裂缝成核、形成和传播的非平衡过程，导出了描述这个过程的微分方程。
Describing rock fracture as a non-equilibrium process in which micro-cracks nucleate, grow and propagate, a set of differential equation describing this evolution process is derived.
上述特性将有助于减小混凝土内部温度梯度，对于防止水工混凝土结构表面裂缝起到良好的作用。
This behavior will be helpful to decrease temperature gradient and to lessen surface thermal stress of concrete structure so as to prevent cracking of a structure.
一个小裂缝(内部或表面的)或者是结构不连续，在该处施加的拉伸应力将被放大，裂纹会扩展。
Stress raiser. A small flaw (internal or surface) or a structural discontinuity at which an applied tensile stress will be amplified and from which cracks may propagate.
针对不同情况下的混凝土裂缝，介绍了工程中常采用的两种治理方法，即表面修补法和内部修补法。
According to different concrete cracks tow methods commonly adopted in engineering are introduced to prevent concrete cracks. They are surface repair method and internal repair method.
实验结果表明，光纤传感器的输出变化能反映结构内部应变及裂缝等状态的变化情况。
The initial experimental results show that the embedded fiberoptic sensor offers the possibility of detecting the internal state such as change of...
这些射线生成管也叫克鲁克斯管，通过在管道周围的裂缝处施加高达十万伏电压的方式，可以在其内部产生自由电子。
The tubes in which the rays were generated were known as Crookes tubes, which generated free electrons - then a topic of intense study - by applying a (DC) voltage of up to 100 kilovolts across a gap.
这些射线生成管也叫克鲁克斯管，通过在管道周围的裂缝处施加高达十万伏电压的方式，可以在其内部产生自由电子。
The tubes in which the rays were generated were known as Crookes tubes, which generated free electrons - then a topic of intense study - by applying a (DC) voltage of up to 100 kilovolts across a gap.
应用推荐