retempering of concrete

简明释义

混凝土二次搅拌

英英释义

例句

1.To ensure proper bonding, the crew performed a retempering of concrete before pouring the next layer.

为了确保良好的粘结，工作人员在浇筑下一层之前进行了混凝土再调和。

2.After noticing the concrete was too stiff, the team opted for a retempering of concrete to achieve the desired consistency.

在注意到混凝土太硬后，团队选择进行混凝土再调和以达到所需的稠度。

3.The contractor decided to perform a retempering of concrete to improve the workability of the mix.

承包商决定进行混凝土再调和以改善混合物的可加工性。

4.The retempering of concrete is crucial when working in hot weather to prevent premature setting.

在炎热天气下进行混凝土再调和是至关重要的，以防止过早凝固。

5.The engineer recommended a retempering of concrete to adjust the water-cement ratio for better strength.

工程师建议进行混凝土再调和以调整水胶比以获得更好的强度。

作文

Concrete is one of the most widely used construction materials in the world, known for its strength and durability. However, there are times when freshly mixed concrete may not be used immediately, leading to a phenomenon known as the retempering of concrete. This process involves adding water to the concrete mix after it has begun to set, allowing it to regain workability. While this practice can be beneficial in certain situations, it is essential to understand its implications on the overall quality and performance of the concrete. The need for retempering of concrete typically arises when the initial mix becomes too stiff or unworkable due to environmental conditions such as high temperatures or prolonged delays in the pouring process. In such cases, workers may find it necessary to add water to the mix to restore its fluidity. However, it is crucial to note that excessive water can significantly weaken the final product. The water-cement ratio is a critical factor in determining the strength of concrete; thus, careful consideration must be given to how much water is added during the retempering of concrete. Moreover, the timing of the retempering of concrete is also vital. If done too late, when the concrete has already started to cure, the added water may not integrate properly, leading to inconsistencies in the mixture. This can result in areas of weakness within the cured concrete, which could compromise the structural integrity of the building or infrastructure. Therefore, it is recommended that contractors and workers monitor the consistency of their concrete mix closely and make adjustments as needed before the setting process begins. In addition to structural concerns, the retempering of concrete can also affect the aesthetic qualities of the finished product. For instance, if too much water is added, it may lead to surface defects such as cracks or scaling. These issues can detract from the visual appeal of the concrete surface, particularly in decorative applications where appearance is paramount. Thus, achieving the right balance during the retempering of concrete is essential not only for functionality but also for aesthetics. In conclusion, while the retempering of concrete can be a useful technique for restoring workability to a stiff mix, it requires careful management to avoid compromising the quality of the final product. Construction professionals must be trained to recognize when retempering is necessary, how to do it correctly, and the potential consequences of their actions. By understanding the principles behind concrete mixing and the importance of maintaining appropriate water-cement ratios, workers can ensure that their projects meet both functional and aesthetic standards. Ultimately, the goal is to produce a strong, durable, and visually appealing concrete structure that will stand the test of time.

混凝土是世界上使用最广泛的建筑材料之一，以其强度和耐久性而闻名。然而，有时新混合的混凝土可能不会立即使用，从而导致一个现象，即混凝土再调配。这个过程涉及在混凝土开始凝固后向混合物中添加水，以使其恢复可操作性。虽然在某些情况下，这种做法可能是有益的，但理解其对混凝土整体质量和性能的影响至关重要。混凝土再调配的需求通常是在初始混合物由于高温或浇筑过程中的延误而变得过于坚硬或无法操作时出现。在这种情况下，工人可能发现有必要向混合物中添加水以恢复其流动性。然而，需要注意的是，过量的水会显著削弱最终产品。水泥比是决定混凝土强度的关键因素；因此，在混凝土再调配过程中必须仔细考虑添加多少水。此外，混凝土再调配的时机也至关重要。如果太晚进行，当混凝土已经开始固化时，添加的水可能无法很好地融合，导致混合物的不均匀。这可能导致固化混凝土内部的弱点，从而影响建筑物或基础设施的结构完整性。因此，建议承包商和工人密切监测混凝土混合物的一致性，并在固化过程开始之前根据需要进行调整。除了结构问题，混凝土再调配还会影响成品的美观特性。例如，如果添加了过多的水，可能会导致表面缺陷，如裂缝或剥落。这些问题可能会降低混凝土表面的视觉吸引力，特别是在装饰性应用中，外观至关重要。因此，在混凝土再调配过程中实现正确的平衡对于功能性和美观性都至关重要。总之，虽然混凝土再调配可以成为恢复混合物操作性的有用技术，但它需要谨慎管理，以避免损害最终产品的质量。建筑专业人员必须接受培训，以识别何时需要再调配，如何正确进行以及其行为的潜在后果。通过理解混凝土混合的原理和保持适当水泥比的重要性，工人可以确保他们的项目符合功能和美观标准。最终目标是生产出强大、耐用且视觉上令人愉悦的混凝土结构，能够经受时间的考验。