dry concrete

简明释义

干硬性混凝土

英英释义

例句

1.It's important to protect the dry concrete from rain until it has completely hardened.

在干混凝土完全硬化之前，保护它免受雨水侵袭是很重要的。

2.The construction team needs to ensure that the dry concrete is fully cured before adding any additional layers.

施工团队需要确保干混凝土完全固化后再添加任何额外层。

3.We should avoid walking on the dry concrete for at least 24 hours.

我们应该避免在干混凝土上行走至少24小时。

4.The contractor recommended using a sealant on the dry concrete to prevent moisture damage.

承包商建议在干混凝土上使用密封剂以防止潮湿损害。

5.After pouring the foundation, we must wait for the dry concrete to set properly.

浇筑基础后，我们必须等待干混凝土正确凝固。

作文

Concrete is one of the most widely used construction materials in the world. It is a composite material composed of fine and coarse aggregate bonded together with a fluid cement that hardens over time. One important aspect of working with concrete is understanding the different stages of its curing process. Among these stages, the term dry concrete refers to the state of concrete after it has fully cured and lost its moisture content. This stage is crucial for determining the strength and durability of the concrete structure.When fresh concrete is poured, it is in a semi-fluid state, allowing for easy shaping and placement. As it begins to set, the water within the mixture starts to evaporate, and the concrete transitions from a liquid to a solid state. This process is known as curing, and it can take several weeks for concrete to reach its full strength. However, the term dry concrete specifically indicates that the concrete has reached a point where the moisture has evaporated, and it is no longer workable or pliable.The importance of achieving dry concrete cannot be overstated. Proper curing ensures that the concrete develops the necessary strength to support loads and withstand environmental conditions. If concrete is allowed to dry too quickly or is not properly cured, it can lead to cracking, shrinkage, and other structural issues. Therefore, construction professionals often use various methods to retain moisture during the curing process, such as covering the concrete with wet burlap, applying curing compounds, or maintaining a humid environment.Moreover, the characteristics of dry concrete play a significant role in the overall performance of a structure. Once the concrete is dry, it becomes more resistant to water penetration, chemical attack, and freeze-thaw cycles. This resistance is essential for structures exposed to harsh weather conditions, such as bridges, roads, and buildings. Additionally, dry concrete provides a stable base for finishing work, such as painting or tiling, ensuring that these surfaces adhere properly and last longer.In conclusion, understanding the concept of dry concrete is vital for anyone involved in construction or civil engineering. It represents a key phase in the life cycle of concrete, impacting its strength, durability, and overall performance. By ensuring that concrete reaches this stage through proper curing practices, builders can create structures that are not only strong but also resilient against the test of time. Therefore, whether you are pouring a sidewalk, constructing a foundation, or building a skyscraper, paying attention to the curing process and the significance of dry concrete will ultimately lead to better construction outcomes.

混凝土是世界上使用最广泛的建筑材料之一。它是一种复合材料，由细骨料和粗骨料与流动水泥结合在一起，随着时间的推移而硬化。处理混凝土的一个重要方面是理解其固化过程的不同阶段。在这些阶段中，术语干混凝土指的是混凝土在完全固化并失去水分后的状态。这个阶段对于确定混凝土结构的强度和耐久性至关重要。当新鲜混凝土浇筑时，它处于半流体状态，便于成型和放置。随着它开始凝固，混合物中的水开始蒸发，混凝土从液态转变为固态。这个过程被称为固化，可能需要几周的时间让混凝土达到其最大强度。然而，术语干混凝土特别表示混凝土已经达到一个点，即水分蒸发完毕，不再可操作或可塑。实现干混凝土的重要性不容小觑。适当的固化确保混凝土发展出支撑负荷和抵御环境条件所需的强度。如果混凝土干燥得太快或没有得到适当的固化，就可能导致开裂、收缩和其他结构问题。因此，施工专业人员通常使用各种方法在固化过程中保持水分，例如用湿麻布覆盖混凝土、涂抹固化剂或保持潮湿环境。此外，干混凝土的特性在结构的整体性能中也发挥着重要作用。一旦混凝土干燥，它对水渗透、化学侵蚀和冻融循环的抵抗力会增强。这种抵抗力对于暴露在恶劣天气条件下的结构至关重要，如桥梁、道路和建筑物。此外，干混凝土为后续的装饰工作提供了稳定的基础，例如涂漆或铺砖，确保这些表面正确粘附并且更持久。总之，理解干混凝土的概念对于任何参与建筑或土木工程的人来说都是至关重要的。它代表了混凝土生命周期中的一个关键阶段，影响其强度、耐久性和整体性能。通过确保混凝土通过适当的固化过程达到这一阶段，建筑商可以创建不仅强大而且能够经受住时间考验的结构。因此，无论您是在浇筑人行道、建造基础还是建造摩天大楼，关注固化过程及干混凝土的重要性最终将导致更好的建筑成果。