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所在平台: Udemy |
课程主页: https://www.udemy.com/course/construction-management-prestressing-concrete-technology/
课程评论：没有评论
课程名称：混凝土管理：预应力混凝土技术 课程概述：近年来，预应力混凝土的使用显著增加，主要原因在于其结构性能的显著提升。应用预应力混凝土能够显著增强结构的抗力，同时通过减少或消除施工裂缝来提高结构的耐久性。本课程旨在深入探讨预应力混凝土的概念，帮助学员了解预应力如何改善混凝土的特性，并掌握不同预应力混凝土系统的优缺点及其差异。 课程的第二部分将涵盖以下内容： 1. 预应力混凝土系统的组成、用于预应力施工的设备、后张法和先张法的施工程序。 2. 阐述钢绞线灌浆的过程及其优点。 3. 讨论千斤顶法、千斤顶力、钢绞线的延伸、设备校准、摩擦损失及预应力力损失等技术细节。 本课程不仅限于预应力混凝土的施工，还将解决与预应力混凝土相关的问题，并介绍预防措施。例如，如何处理在钢绞线灌浆过程中遇到的问题，以及如何避免这些问题。此外，我们还将探讨外部预应力系统和圆形预应力混凝土。 总体而言，本课程主要关注预应力混凝土的实践应用。预应力混凝土是一个庞大的行业，可以广泛应用于各类结构，如建筑、桥梁、液体储罐、压力管道和筒仓等。
The use of prestressed concrete has_been_increasing sharply in recent years. This increased use of prestressed concrete is attributed to the significant improvements in the properties of the structure. Using prestressed concrete resulted in considerable enhancement of structure's resistance capacity. Also, prestressing concrete will improve the durability of structures by decreasing or eliminating the service cracks. We will tackle the concept of prestressed concrete. This course is one of the four courses I discussed earlier to assist in understanding the practical side of engineering. This aims to increase your knowledge of how prestressing improve the concrete's properties. Also, you will understand the benefits and types of prestressed concrete systems and the difference between them. The second part of this course will discuss the following;1. The component of a prestressed concrete system, the equipment used in performing prestressing of concrete, the procedure of constructing post-tensioning, and pre-tensioning systems. 2. It will discuss the process of tendon grouting and the benefits of grouting prestressing tendons. and,3. We will discuss the jacking methods, jacking force, elongation of tendons, calibration of equipment, friction loss, and the prestressing force losses.This course is not limited to the construction of prestressed concrete. It will not only_covers_ the problems associated with prestressing concrete but also to be oriented on how it will be prevented. To cite, what to do when you encounter issues in the grouting process of prestressing tendons and what will be the best way to avoid this.Furthermore, we will discuss the external prestressing system and the circular prestressing of concrete. This course will discuss mainly the practical side of prestressed concrete. Prestressed concrete is a big industry. The prestressed concrete can be used almost in every structure, such as buildings, bridges, liquid tanks, pressure pipes, and silos.
