《桥梁工程》梁式桥和板式桥设计课件

Introduction of the beam bridgeР截面形式的演变 Evolution of the sectionР实心板Solid slabР肋板?Slab with ribsР空心板Slab with hollowРT形梁T beamР箱梁Box girderРSpan increasing 跨度增加РChapter 1 梁式桥概述 Introduction of the beam bridgeРChapter 2? 第二章??梁式桥设计要点与构造?Outline on the design and construct ?of beam bridgeРPart 2 RC & PC beam bridge?第二篇钢筋混凝土和预应力混凝土梁式桥РBRIDGE ENGRG?PART IIР1.1简支体系 Simple-supported structureР1.1.1简支板桥 Simple-supported slab bridge?建筑高度小 Height?外形简单,施工安装简便 Form?跨径不宜过大 SpanР简支板的构造尺寸 Dimension of Simple-supported slabР1 梁式桥的立面布置 Elevation arrangement for beam bridgeР1.2 cantilever beam system 悬臂体系Р1.2.1 RC cantilever beam bridge 钢筋混凝土悬臂梁桥РSingle span with two cantilevers?单孔双悬臂梁桥РT section T形截面?lx=(0.3~0.4) l?Box girder 箱形截面?lx=(0.4~0.6) lРHРhРlРlxРlxР1 梁式桥的立面布置 Elevation arrangement for beam bridge