预应力砼梁先简支后无预应力连续梁受力性能研究

Prestressed concrete beams simply supported by acontinuous beam of prestressed Properties

公路桥梁建设中，简支转连续结构，不仅具有简支梁桥施工简便的优点，而且保证了桥梁的连续性。本实验基于预应力砼梁先简支后无预应力连续梁的结构特征和受力特点，进行了集中荷载试验和极限承载能力的全过程加载试验。同时与预应力简支梁的相应结果作了对比；通过对试验现象的描述和试验结果的分析，总结出了预应力砼梁先简支后无预应力连续梁的主要受力、变形特点，以供参考。

highway bridge construction, simple to the continuous structure, not only has simple beam bridge the advantages of simple construction, and guarantee the continuity of the bridge. Based on this study of prestressed concrete beams simply supported nonprestressed continuous beam of structural features and characteristics of the force, a concentrated load test and limit the carrying capacity of the entire process of loading test, and prestressed simple beam of the corresponding results A contrast to the description of the phenomenon of the trial and test results of the analysis, summed up the prestressed concrete beams simply supported prestressed continuous beam without the main force, deformation characteristics, for practical reference works.