spread concrete

简明释义

摊铺混凝土

英英释义

例句

1.It took several hours to spread concrete for the foundation of the house.

为房子的基础铺设混凝土花了好几个小时。

2.After mixing, we need to quickly spread concrete before it sets.

混合后，我们需要迅速铺设混凝土，以免其凝固。

3.They used a large machine to spread concrete over the parking lot.

他们使用大型机器在停车场上铺设混凝土。

4.Before you spread concrete, make sure the ground is properly leveled.

在你铺设混凝土之前，确保地面已正确平整。

5.The workers will begin to spread concrete for the new sidewalk this afternoon.

工人们今天下午将开始铺设混凝土以建造新的人行道。

作文

In the construction industry, the process of laying down a strong foundation is crucial for any building project. One of the essential steps in this process is to spread concrete, which involves evenly distributing a mixture of cement, water, and aggregates over a prepared surface. This technique not only provides structural integrity but also ensures that the surface is level and ready for further construction work. The importance of properly spread concrete cannot be overstated, as it serves as the backbone for various structures, from residential homes to large commercial buildings.To achieve a successful outcome, several factors must be considered when spreading concrete. First, the preparation of the site is vital. The area must be cleared of any debris, vegetation, or existing structures that could interfere with the pouring process. Once the site is prepared, a formwork is constructed to contain the concrete and shape it according to the desired dimensions. This formwork acts as a mold that holds the spread concrete in place until it sets and hardens.The next step involves mixing the concrete. A proper ratio of cement, sand, gravel, and water must be maintained to ensure the final product is durable and meets the required specifications. After mixing, the concrete should be poured into the prepared area promptly to prevent it from setting too quickly. Workers then use tools such as shovels and rakes to spread concrete evenly across the surface, ensuring that it fills every corner of the formwork without leaving any voids.As the concrete is spread, it is essential to check for any air bubbles or imperfections. These can weaken the structure if not addressed. Techniques such as vibrating the concrete can help eliminate air pockets and ensure a more uniform finish. Additionally, using a screed board allows workers to level the surface of the spread concrete, creating a smooth finish that is both aesthetically pleasing and functional.Once the concrete is spread and leveled, it is crucial to allow it to cure properly. Curing is the process of maintaining adequate moisture, temperature, and time to allow the concrete to gain strength and durability. This stage can take several days to weeks, depending on the environmental conditions and the type of concrete used. During this time, it is important to protect the newly spread concrete from extreme weather conditions, such as heavy rain or intense sunlight, which can cause cracking and weaken the structure.In conclusion, the process of spreading concrete is a fundamental aspect of construction that requires careful planning, execution, and maintenance. It is not just about pouring a mixture onto the ground; it involves a series of steps that ensure the longevity and stability of the structure being built. By understanding the importance of this process and the techniques involved, construction professionals can deliver high-quality results that stand the test of time. Ultimately, the skillful application of spread concrete lays the groundwork for safe and reliable buildings, making it an indispensable part of the construction industry.

在建筑行业，奠定坚实基础的过程对于任何建筑项目至关重要。在这个过程中，一个基本步骤是铺设混凝土，这涉及将水泥、水和骨料的混合物均匀地分布在准备好的表面上。这项技术不仅提供结构完整性，还确保表面平整，为进一步的施工工作做好准备。正确铺设混凝土的重要性不容小觑，因为它为各种结构提供支撑，从住宅到大型商业建筑。为了实现成功的结果，在铺设混凝土时必须考虑几个因素。首先，现场的准备至关重要。该区域必须清除任何可能干扰浇筑过程的碎片、植被或现有结构。一旦现场准备好，就会构建模具来容纳混凝土并根据所需尺寸进行成型。这个模具充当了一个模具，保持铺设混凝土在适当位置，直到其凝固和硬化。接下来的步骤涉及混合混凝土。必须保持水泥、沙子、砾石和水的正确比例，以确保最终产品耐用并符合要求的规格。混合后，应迅速将混凝土倒入准备好的区域，以防止其设置过快。工人们然后使用铲子和耙子来均匀地铺设混凝土，确保它填满模具的每个角落，而不留下任何空隙。在混凝土被铺设时，检查是否有气泡或缺陷至关重要。如果不加以处理，这些缺陷可能会削弱结构。诸如振动混凝土等技术可以帮助消除气泡，并确保更均匀的表面。此外，使用刮板可以让工人们将铺设混凝土的表面水平化，创造出既美观又实用的光滑表面。一旦混凝土被铺设和平整，确保其得到适当的养护至关重要。养护是维持适当的湿度、温度和时间的过程，以使混凝土获得强度和耐久性。这个阶段可能需要几天到几周，具体取决于环境条件和使用的混凝土类型。在此期间，保护新铺设混凝土免受极端天气条件的影响，如大雨或强烈阳光，这些都可能导致开裂并削弱结构。总之，铺设混凝土的过程是建筑中一个基础性的方面，需要仔细的计划、执行和维护。这不仅仅是将混合物倒在地上；它涉及一系列确保正在建造的结构的持久性和稳定性的步骤。通过理解这一过程的重要性和相关技术，建筑专业人士可以提供经得起时间考验的高质量成果。最终，熟练应用铺设混凝土为安全可靠的建筑奠定了基础，使其成为建筑行业不可或缺的一部分。