《建桥梁》ppt课件.ppt

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1、建桥梁（1）（2）（3）（4）根据图片内容说一说1.桥有几种基本类型？分别叫什么桥？桥1.平板桥2.斜拉桥3.拱桥如：南京长江大桥、东海大桥如：江阴长江大桥、武汉长江二桥如：赵州桥南京长江大桥赵州桥武汉长江二桥我来争当设计师！你说，我说，大家说走进桥的世界北京卢沟桥杭州钱塘江大桥茅以升土木工程学家、桥梁专家、工程教育家。本世纪30年代，他主持设计并组织修建了钱塘江公路铁路两用大桥，成为中国铁路桥梁史上的一个里程碑，在我国桥梁建设上做出了突出的贡献。上海杨浦大桥旧金山大桥拉萨河大桥实验要求：1.建梁桥时要用硬纸做桥面木块做桥墩，桥墩间的距离要一致。2.建拱桥时，要把另一张硬纸做

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