节段箱梁预制拼装技术调研报告.docx

节段箱梁预制拼装技术调研报告2016年9月目录TOC\o"1-3"\h\z\uHYPERLINK\l"_Toc462078255"第一章概述PAGEREF_Toc462078255\h1HYPERLINK\l"_Toc462078256"1.1引言PAGEREF_Toc462078256\h1HYPERLINK\l"_Toc462078257"1.2国内外发展现状PAGEREF_Toc462078257\h1HYPERLINK\l"_Toc462078258"1.2.1国外发展现状PAGEREF_Toc462078258\h1HYPERLINK\l"_Toc462078259"1.2.2国内发展现状PAGEREF_Toc462078259\h3HYPERLINK\l"_Toc462078260"第二章节段箱梁预制及安装方法PAGEREF_Toc462078260\h8HYPERLINK\l"_Toc462078261"2.1节段箱梁长线预制法PAGEREF_Toc462078261\h8HYPERLINK\l"_Toc462078262"2.1.1长线法预制工艺PAGEREF_Toc462078262\h8HYPERLINK\l"_Toc462078263"2.1.2长线法匹配预制技术的特点PAGEREF_Toc462078263\h8HYPERLINK\l"_Toc462078264"2.2节段箱梁短线预制法PAGEREF_Toc462078264\h9HYPERLINK\l"_Toc462078265"2.2.1短线法预制工艺PAGEREF_Toc462078265\h9HYPERLINK\l"_Toc462078266"2.2.2短线法匹配预制技术的特点PAGEREF_Toc462078266\h10HYPERLINK\l"_Toc462078267"2.3节段箱梁安装方法PAGEREF_Toc462078267\h11HYPERLINK\l"_Toc462078268"2.4.1悬挂法施工PAGEREF_Toc462078268\h11HYPERLINK\l"_Toc462078269"2.3.2悬臂法施工PAGEREF_Toc462078269\h12HYPERLINK\l"_Toc462078270"第三章节段箱梁体外预应力体系研究PAGEREF_Toc462078270\h14HYPERLINK\l"_Toc462078271"3.1体外预应力混凝土结构PAGEREF_Toc462078271\h14HYPERLINK\l"_Toc462078272"3.1.1体外预应力混凝土结构的概念及应用PAGEREF_Toc462078272\h14HYPERLINK\l"_Toc462078273"3.1.2体外预应力工艺的优点与缺点PAGEREF_Toc462078273\h16HYPERLINK\l"_Toc462078274"3.2体外预应力系统构造PAGEREF_Toc462078274\h17HYPERLINK\l"_Toc462078275"3.2.1体外预应力索构造PAGEREF_Toc462078275\h17HYPERLINK\l"_Toc462078276"3.2.2体外预应力筋的锚固系统PAGEREF_Toc462078276\h18HYPERLINK\l"_Toc462078277"3.2.3体外预应力筋的转向装置PAGEREF_Toc462078277\h19HYPERLINK\l"_Toc462078278"3.2.4体外预应力系统的防腐与防护PAGEREF_Toc462078278\h20HYPERL