According to the development of the society and economy , pile foundations have played more and more important effects in the development of modern civil engineering . at present , pile foundations in the offshore petroleum platforms , super high - rise buildings and long span bridges , should not only bear vertical loads but also accept horizontal loads to adapt high , heave , large buildings 目前我国海洋石油平台、超高层建筑、大跨度桥梁等中所使用的桩基础不仅能承受巨大的竖向荷载，而且能承受较大的水平荷载，以适应现代建筑物高、重、大的要求。
In the paper , construction controlling on long span bridge both domestic and abroad was reviewed and it ' s status is analyzed at first , then the theory , method and contributing factor of bridge construction controlling was recommended ; at last the analysis and accounting method of structure modeling , to be considered in structure analyzing , function of the software " ansys " and the method in which the " ansys " was used to analysis and account the bridge construction process were discussed in - details 本文首先回顾了国内外大跨度桥梁施工控制的历史，分析了国内外桥梁施工控制的现状；然后介绍了桥梁施工控制理论、方法以及影响桥梁施工控制的各项因素；接着深入讨论了桥梁施工控制过程中的结构模拟计算分析方法以及结构分析中需考虑的有关问题、通用大型分析软件ansys的功能以及应用ansys对桥梁施工过程进行模拟分析计算的方法。
More long - span bridges have been built with the rapid development of the human society , civil engineering techniques and communication , more attention has been drawn to the safety , durability and normal functions of these bridges . health monitoring systems and intelligent control technologies have been introduced into these long span bridge and are developing rapidly , which makes health monitoring becoming an active domain of academe and engineering all over the world 社会进步和土木工程技术以及交通建设事业的蓬勃发展，使越来越多的大跨度桥梁得到了修建，人们对这些大型重要桥梁的安全性、耐久性与正常使用功能日渐关注，桥梁健康监测系统和智能控制技术相继运用到这些大型桥梁中，并得到了迅速发展，这项课题日益成为国内外桥梁学术界和工程界的研究热点。
The existing construction monitoring and controlling methods are profoundly researched and contrasted according to the features of pc continuous rigid frame bridge . the structure state parameters are estimated by discrete linear system , kallman filtering method and back coupling technology . and these method and theory are applied and proved in construction control of hong - shui river long span bridge 根据pc连续刚构桥的特点，通过对现有的预测控制方法的深入研究和对比分析，采用了离散线性系统和卡尔曼滤波法进行结构状态参数估计及反馈控制的技术体系，然后进行了实桥验证和应用。
The organization system is established according to the construction courses of hong - shui river long span bridge , which includes the loop of structure analysis , construction , test , forecasting , identifying , adjusting , preliminary announcement and construction . and the construction control flow process is established in this dissertation , as well as the solving programme 文中还根据红水河特大桥的施工过程，按结构分析、施工、检测、预测、识别、调整、预告、施工的循环特点，建立了组织机构，制定了施工控制流程和解决方案，实现大桥线形和应力的检测和控制，效果良好。
The pc rigid frame bridge can meet with the carrying capacity of long span bridge . this kind of structure is fit for the comfortable steer with no other expansion joints except for those at the two ends . it characterized the wholeness of structure , good astigmatic ability and load - bearing ability , construction rapidness , bright and pithiness bridge style , easy to maintain and convenient for segmental construction using the cantilever technique , so rigid frame bridge have taken an increasingly great proportion in bridges constructed and those under construction at city and county 刚构桥能满足特大跨径桥梁的受力要求，除两端以外无其他伸缩缝，有利于行车平顺舒适，具有结构整体性能好、抗震能力强、承载能力强、施工快捷、桥体简洁明快、维护方便和便于悬臂施工等结构特点，因而在城乡已建和在建的桥梁中占据了越来越大的比重。
This paper gives a general review of the remarkable progress and great achievements made in the modern suspension bridge construction since the 1980s when china carried out the reformation and opening policies it also presents both the challenges and glorious prospect of the super - long span bridges in sea - crossing engineering projects in the 21st century 概述改革开放以来我国现代悬索桥建设取得的飞跃进步和巨大成就，同时展望21世纪超大跨度桥梁在跨海工程建设中面临的挑战和宏伟发展前景
