pretensioned

简明释义

英[prɪˈtɛnʃənd]美[prɪˈtɛnʃənd]

adj. 先张的

v. 预张（pretension 的过去式）

英英释义

单词用法

同义词

反义词

例句

1.The structure is analyzed by software 3D3S and MIDAS. The steel amount of whole structure can be reduced by adjusting the initial pretensioned value of cables.

采用3D3S和MIDAS软件对结构进行分析，通过控制拉索的初始预应力取值，降低整个结构用钢量。

2.Corrosion prevention of pretensioned structures is primarily accomplished through the use of high-performance concretes or the addition of corrosion-inhibiting admixtures.

要求结构防腐蚀主要依靠高性能混凝土和加钢筋阻锈剂来实现。

3.It is easy to bring crack that pretensioned prestressed hollow slab beam is constructed in winter.

先张法预应力空心板梁在冬季施工过程中，易产生裂缝。

4.Initial equilibrium shape and static behavior of pretensioned membrane structures is analyzed by dynamic relaxation method in this paper.

利用动力松弛法对预应力张拉膜进行初始平衡形状的确定以及静载分析。

5.Combined with the construction practice, the paper introduced the design idea of concrete bar dowel for pretensioned grooved stretching bed etc.

根据施工实践，简要地介绍了先张法槽式张拉台座中的砼传力柱的设计思路。

6.The temperature effect on initial equilibrium shape and characteristics of static responses of pretensioned cable-membrane structures is analyzed in this paper.

对预应力张拉索膜结构由于温度变化对结构初始平衡形状和静力效应的影响进行研究。

7.These materials can not be pretensioned to avoid the slack condition resulting from asymmetrical loadings.

这些材料不能预加应力以免除由于非对称载荷所产生的松弛。

8.Plan compilation is Introduced by basis of compilation, area of apply, primary material, production technology and design parameter on Pretensioned Spun Concrete Pile.

对《先张法预应力混凝土管桩》图集的编制依据和适用范围、主要材料、生产工艺及有关设计参数作简单介绍。

9.The pretensioned system allows for better control of deflection in structural components.

预应力系统可以更好地控制结构部件的挠度。

10.The use of pretensioned elements can significantly reduce the amount of material needed.

使用预应力构件可以显著减少所需材料的数量。

11.The bridge was built using pretensioned concrete beams to enhance its load-bearing capacity.

这座桥使用了预应力混凝土梁来增强其承载能力。

12.In modern construction, pretensioned cables are often used to support large structures.

在现代建筑中，通常使用预应力钢缆来支撑大型结构。

13.During the testing phase, the engineers examined the performance of pretensioned slabs under various loads.

在测试阶段，工程师检查了不同荷载下预应力板的性能。

作文

In modern engineering, the term pretensioned refers to a crucial technique used in the construction of various structures, particularly in concrete design. The concept involves applying a predetermined tensile force to steel tendons or cables before the concrete is cast. This process enhances the structural integrity and durability of the final product. The use of pretensioned materials has revolutionized the way we approach building bridges, parking garages, and high-rise buildings, allowing for longer spans and reduced material usage.The primary advantage of pretensioned concrete is its ability to withstand tensile forces that would typically lead to cracking in standard concrete. By tensioning the steel strands before the concrete hardens, engineers can ensure that the concrete remains in compression during its service life. This innovative method not only increases the load-bearing capacity of the structure but also minimizes maintenance costs over time due to reduced wear and tear.Moreover, the application of pretensioned technology is not limited to large-scale projects. Smaller applications, such as precast concrete elements for residential buildings, also benefit from this technique. For instance, pretensioned beams and slabs are often used in homes to create open spaces without the need for intrusive support columns. This flexibility in design allows architects to explore more creative solutions while maintaining safety and functionality.In addition to its structural benefits, the use of pretensioned concrete can lead to significant cost savings. The ability to use less material while achieving greater strength means that projects can be completed more economically. Furthermore, the speed of construction is often enhanced, as pretensioned components can be manufactured off-site and assembled quickly at the construction site. This efficiency is particularly beneficial in urban environments where time and space are at a premium.However, it is essential to recognize that the implementation of pretensioned systems requires careful planning and execution. Engineers must accurately calculate the necessary tensioning forces and ensure that the materials used can withstand these stresses. Any miscalculations could lead to catastrophic failures, underscoring the importance of expertise in this area.In conclusion, the concept of pretensioned concrete represents a significant advancement in engineering practices. Its ability to improve structural performance, reduce material usage, and expedite construction processes makes it an invaluable tool in modern architecture and civil engineering. As we continue to innovate and push the boundaries of design, the role of pretensioned techniques will undoubtedly grow, paving the way for safer, more efficient, and aesthetically pleasing structures in our built environment.

在现代工程中，术语pretensioned指的是一种在各种结构的建设中使用的重要技术，特别是在混凝土设计中。这个概念涉及在混凝土浇筑之前，对钢筋或电缆施加预定的拉力。这一过程增强了最终产品的结构完整性和耐久性。使用pretensioned材料革命性地改变了我们对建造桥梁、停车场和高层建筑的方式，使得可以实现更长的跨度和减少材料使用。pretensioned混凝土的主要优势在于其能够承受通常会导致标准混凝土开裂的拉力。通过在混凝土硬化之前拉紧钢绳，工程师可以确保混凝土在其使用寿命期间保持压缩状态。这种创新方法不仅提高了结构的承载能力，而且由于减少了磨损，随着时间的推移，维护成本也得以降低。此外，pretensioned技术的应用并不限于大规模项目。小型应用，如住宅建筑的预制混凝土构件，也从这一技术中受益。例如，pretensioned梁和板通常用于住宅中，以创建没有侵入性支撑柱的开放空间。这种设计的灵活性使建筑师能够探索更具创意的解决方案，同时保持安全性和功能性。除了结构上的好处外，使用pretensioned混凝土还可以带来显著的成本节约。能够在实现更大强度的同时使用更少的材料意味着项目可以更经济地完成。此外，施工速度通常也会提高，因为pretensioned构件可以在工厂制造，并在施工现场快速组装。这种效率在城市环境中尤其有利，因为时间和空间都是宝贵的资源。然而，必须认识到实施pretensioned系统需要仔细的规划和执行。工程师必须准确计算所需的张力，并确保所用材料能够承受这些应力。任何错误的计算都可能导致灾难性的失败，这突显了该领域专业知识的重要性。总之，pretensioned混凝土的概念代表了工程实践中的重大进步。它改善结构性能、减少材料使用并加快施工过程的能力，使其成为现代建筑和土木工程中不可或缺的工具。随着我们继续创新和推动设计的边界，pretensioned技术的作用无疑会增长，为我们建造的环境铺平道路，使其更加安全、高效和美观。