spall

简明释义

英[spɔːl]美[spɔːl]

v. 击碎（矿石等）；（矿石等）裂成碎片；（使）死皮脱落

n. 裂片

n. （Spall）（美）施帕尔（人名）

英英释义

单词用法

同义词

反义词

例句

1.The melt eroding acting on the matrix of crucible refractory destroyed the combination between grain and matrix, and caused the grain to spall. There were intense…

合金液通过侵蚀坩埚材料的基质部分破坏了坩埚表层的结构。

2.Spall fracture is the most common failure form of concrete components subjected to impact or explosive loading.

层裂破坏是爆炸冲击载荷下混凝土结构常见的破坏形式。

3.Experimental techniques based on the dynamics of shock wave attenuation were used to produce decaying triangular shock pulse in LY12 Al samples of plate-impact spall tests.

就样品中呈现三角形脉冲的平板冲击实验而言，样品中可以存在一些高拉伸应力区域并发生多次层裂。

4.Two spall planes were observed in the soft recovered sample for the high stress triangular wave experiment.

在经过高应力三角形波实验的软回收样品上，发现了两个层裂面。

5.By the experiment and analysis, at the same shock pressure, the spall strength will increase with the strain rate, and it will decrease with the increasing thickness of samples.

通过实验与分析可知，在相同冲击压力下，层裂强度随拉伸应变率的增长而增长，随样品厚度的增加而减小。

6.The void coalescence-based spall model is applied to numerical simulations of one-dimensional spall tests.

这种基于空穴聚集的层裂模型已被应用于一维层裂试验的数值模拟。

7.Because of axis line deflection and asymmetric load distribution of rotary kiln, the support parts may break, spall, or erode due to the induced overlarge contact stresses.

回转窑运行中由于轴线偏差，支承载荷分配严重不均，导致支承部件因接触应力过大而产生压溃、剥落和点蚀等现象。

8.The construction worker noticed a small spall 剥落 on the concrete wall.

建筑工人注意到混凝土墙上有一个小的spall 剥落。

9.The artist used a special technique to create a spall 剥落 effect in her sculpture.

艺术家使用一种特殊技术在她的雕塑中创造了spall 剥落效果。

10.The granite countertop had a noticeable spall 剥落 on one corner.

花岗岩台面的一角有明显的spall 剥落。

11.To ensure safety, they had to remove the spalls 剥落 from the old brick facade.

为了确保安全，他们必须去除旧砖外立面的spalls 剥落。

12.After the earthquake, many buildings had spalls 剥落 that needed repair.

地震后，许多建筑物都有需要修复的spalls 剥落。

作文

In the realm of construction and architecture, the term spall refers to a fragment or chip that has broken off from a larger piece of material, typically stone, concrete, or brick. This phenomenon can occur due to various factors, including weathering, physical impact, or even chemical reactions. Understanding the implications of spall is crucial for builders and architects, as it can significantly affect the integrity and aesthetics of structures. For instance, when a concrete surface begins to spall, it not only compromises the structural stability but also leads to increased maintenance costs. Therefore, recognizing early signs of spall can help in taking preventive measures to ensure the longevity of a building.The causes of spall are multifaceted. One common reason is the freeze-thaw cycle, where moisture penetrates the surface of a material. When temperatures drop, the water inside the material freezes and expands, leading to cracks. As this process repeats, more pieces can spall off, resulting in significant damage over time. Additionally, physical impacts from heavy objects or machinery can also cause materials to spall. In some cases, the use of de-icing salts during winter can accelerate the spalling process by promoting chemical reactions that weaken the material.To mitigate spalling, several strategies can be employed. Proper drainage systems can prevent water accumulation around structures, reducing the risk of freeze-thaw cycles. Moreover, using high-quality materials that are resistant to environmental stressors can minimize the occurrence of spall. Regular inspections and maintenance are also essential in identifying and addressing potential issues before they escalate into major problems.In historical contexts, spall has been observed in ancient structures, showcasing the effects of time and environmental conditions on man-made edifices. For example, many Roman aqueducts exhibit signs of spall due to centuries of exposure to the elements. These structures, while still standing, serve as a testament to the resilience of human engineering, yet they also remind us of the inevitable decay that affects all materials. The study of spall in these historical contexts provides valuable insights into material science and preservation techniques.In conclusion, the concept of spall is not merely a technical term but a significant concern in the fields of construction and preservation. It encompasses the challenges faced by builders and architects in maintaining the integrity of structures over time. By understanding the causes and consequences of spall, professionals can develop better strategies to protect and preserve our architectural heritage. Ultimately, the impact of spall extends beyond individual buildings; it reflects the broader relationship between humanity and the materials we use to shape our environment. As we continue to build and innovate, recognizing and addressing spall will remain a vital aspect of sustainable architecture.

在建筑和建筑学领域，术语spall指的是从较大材料（通常是石头、混凝土或砖块）上断裂或剥落的碎片或芯片。这种现象可能由多种因素引起，包括风化、物理冲击，甚至化学反应。理解spall的含义对建筑商和建筑师至关重要，因为它会显著影响结构的完整性和美观。例如，当混凝土表面开始spall时，不仅会损害结构的稳定性，还会导致维护成本增加。因此，及早识别spall的迹象可以帮助采取预防措施，以确保建筑的耐久性。spall的原因是多方面的。一种常见的原因是冰冻-融化循环，其中水分渗透到材料表面。当温度下降时，材料内部的水结冰并膨胀，导致开裂。随着这一过程的重复，更多的碎片可能会spall掉，从而导致随着时间推移而显著的损坏。此外，重物或机械的物理冲击也可能导致材料spall。在某些情况下，冬季使用除冰盐可能会通过促进削弱材料的化学反应来加速spall过程。为了减轻spall，可以采用几种策略。适当的排水系统可以防止水在结构周围积聚，从而降低冰冻-融化循环的风险。此外，使用耐环境压力的高质量材料可以最小化spall的发生。定期检查和维护对于识别和解决潜在问题也是至关重要的，以避免其升级为重大问题。在历史背景中，古代建筑中观察到了spall，展示了时间和环境条件对人造建筑物的影响。例如，许多罗马水道由于数世纪的暴露于元素中而出现spall迹象。这些结构虽然仍然屹立，但证明了人类工程的韧性，同时也提醒我们所有材料都不可避免地会衰退。研究这些历史背景中的spall为材料科学和保护技术提供了宝贵的见解。总之，spall的概念不仅仅是一个技术术语，而是在建筑和保护领域中的一个重要关注点。它涵盖了建筑商和建筑师在维持结构完整性方面所面临的挑战。通过理解spall的原因和后果，专业人士可以制定更好的策略来保护和保存我们的建筑遗产。最终，spall的影响超越了单个建筑；它反映了人类与我们用来塑造环境的材料之间更广泛的关系。随着我们继续建设和创新，认识和解决spall将始终是可持续建筑的重要方面。