建设路二号桥施工设计
摘 要
桥梁是交通要道的咽喉，是一个国家或地区经济实力、科学技术、生产力发展等综合国力的重要体现。随着我国国民经济的迅速发展和经济全球化，大力发展交通运输事业、建立四通八达的现代交通网络已成为现代化发展所必不可少的因素，这不仅有利于经济的进一步发展，对于促进文化交流、加强民族团结、巩固国防等方面都起着至关重要的作用。本文介绍了关于预应力混凝土简支梁桥的发展、设计、施工等方面。简支体系梁桥受力的特点是简单明了，结构构造简单，是梁式桥中应用最早使用最广泛的一种。
关键词：预应力混凝土；简支梁桥；施工
Construction Design of Jianshe Road No. 2 Bridge
ABSTRACT
Bridges are the throat of transportation arteries and an important manifestation of a country or region#39;s economic strength, science and technology, and productivity development. With the rapid development of my countryrsquo;s national economy and economic globalization, vigorously developing transportation and establishing a modern transportation network extending in all directions have become indispensable factors for modern development. This is not only conducive to the further development of the economy, but also to the promotion of cultural exchanges and cultural exchanges. Strengthening national unity and consolidating national defense all play a vital role. This article introduces the development, design and construction of prestressed concrete simply supported beam bridges. The characteristics of the simply-supported girder bridge are simple and clear, and the structure is simple. It is the earliest and most widely used girder bridge.
Key words：Prestressed Concrete；Simple beam bridge；Construction
1 梁式桥的发展
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