freshly mixed concrete

简明释义

新拌合混凝土

英英释义

例句

1.We used a special additive to enhance the strength of the freshly mixed concrete.

我们使用了一种特殊添加剂来增强新拌混凝土的强度。

2.The workers poured the freshly mixed concrete into the foundation forms.

工人们将新拌混凝土倒入基础模具中。

3.The contractor ordered a large batch of freshly mixed concrete for the new sidewalk.

承包商为新的人行道订购了一大批新拌混凝土。

4.After the rain, the freshly mixed concrete needed extra time to set properly.

下雨后，新拌混凝土需要额外的时间才能正确固化。

5.Make sure to use the freshly mixed concrete within two hours of mixing.

确保在搅拌后两小时内使用新拌混凝土。

作文

Concrete is one of the most widely used construction materials in the world. It is known for its durability and strength, making it an essential component in building infrastructure such as roads, bridges, and buildings. However, to achieve the desired properties of concrete, it is crucial to use it when it is in its optimal state, which is often referred to as freshly mixed concrete. The term freshly mixed concrete refers to concrete that has just been mixed and is still in a plastic state, meaning it can be easily shaped and poured into molds. This state is critical because it allows for proper placement and compaction, which ultimately leads to the strength and longevity of the finished product.When concrete is mixed, it typically consists of cement, water, aggregates (such as sand and gravel), and sometimes additives to enhance certain properties. The mixing process is vital as it ensures that all components are evenly distributed, which is essential for achieving uniform strength and durability. Once the concrete is freshly mixed concrete, it must be used promptly before it starts to set. The setting time can vary based on several factors, including the type of cement used, the temperature, and humidity levels.The importance of working with freshly mixed concrete cannot be overstated. If concrete is allowed to set before it is placed, it can lead to weak spots, cracks, and other structural issues. This is why construction crews must work efficiently and effectively to pour and finish the concrete while it is still workable. In many construction projects, this means coordinating the delivery of freshly mixed concrete from a batching plant to ensure that it arrives at the site ready to be used.Moreover, the quality of freshly mixed concrete directly affects the overall quality of the structure being built. Engineers and contractors often conduct tests on freshly mixed concrete to check its workability, setting time, and strength. These tests help ensure that the concrete will perform as expected once it hardens. For instance, slump tests are commonly used to measure the consistency of the mix, while air content tests can determine the amount of air entrained within the concrete, which can influence its resistance to freeze-thaw cycles.In conclusion, understanding the significance of freshly mixed concrete is vital for anyone involved in construction. It is the foundation upon which strong and durable structures are built. By ensuring that concrete is used while it is still freshly mixed concrete, construction professionals can maximize the performance and longevity of their projects. Whether you are a contractor, engineer, or simply someone interested in construction, recognizing the role of freshly mixed concrete can lead to better outcomes in any building endeavor.

混凝土是世界上最广泛使用的建筑材料之一。它以耐用性和强度而闻名，使其成为建造基础设施（如道路、桥梁和建筑物）的重要组成部分。然而，为了实现混凝土所需的特性，至关重要的是在其最佳状态下使用它，这种状态通常被称为新鲜混合混凝土。术语新鲜混合混凝土指的是刚刚混合并仍处于塑性状态的混凝土，这意味着它可以很容易地成型和倒入模具中。这种状态至关重要，因为它允许正确的放置和压实，从而最终导致成品的强度和耐久性。当混凝土被混合时，它通常由水泥、水、骨料（如沙子和砾石）以及有时用于增强某些特性的添加剂组成。混合过程至关重要，因为它确保所有成分均匀分布，这对于实现均匀的强度和耐久性至关重要。一旦混凝土是新鲜混合混凝土，就必须在它开始凝固之前及时使用。凝固时间可能因多种因素而异，包括所用水泥的类型、温度和湿度水平。使用新鲜混合混凝土的重要性不容小觑。如果混凝土在放置之前被允许凝固，可能会导致弱点、裂缝和其他结构问题。这就是为什么施工队必须高效且有效地工作，以便在混凝土仍然可操作时浇筑和完成它。在许多建筑项目中，这意味着要协调从搅拌厂送达新鲜混合混凝土，以确保它在现场准备好使用。此外，新鲜混合混凝土的质量直接影响到所建结构的整体质量。工程师和承包商通常会对新鲜混合混凝土进行测试，以检查其可操作性、凝固时间和强度。这些测试有助于确保混凝土在硬化后将按预期表现。例如，常用的坍落度测试用于测量混合物的一致性，而空气含量测试可以确定混凝土中夹带的空气量，这可能影响其抵御冻融循环的能力。总之，理解新鲜混合混凝土的重要性对于任何参与建筑的人来说都是至关重要的。它是坚固耐用的结构的基础。通过确保在混凝土仍然是新鲜混合混凝土时使用，建筑专业人员可以最大限度地提高其项目的性能和耐久性。无论你是承包商、工程师，还是仅仅对建筑感兴趣的人，认识到新鲜混合混凝土的作用都可以在任何建筑努力中带来更好的结果。