The analytic model of this bridge is established . a lot of influencing factors such as identifying and adjusting of structure parameter , construction technology , construction monitoring method , temperature effect , concrete young ' s modulus and shrinkage and creep effect are considered in construction monitoring and controlling . the construction control of this bridge is realized through construction monitoring , back coupling and forecasting and the preplanned target is reached at last 通过建立大桥结构分析模型，选择合适的影响因素，包括结构参数识别及调整、施工工艺、施工监测方法、温度效应、混凝土弹性模量及其收缩、徐变效应等，并经监测、反馈、预测，实现大桥线形和应力的不断调整和控制，达到了预定的目标。
Based on comparison of several technical schemes , the method of sand bedding pre - elevating and step water - filling pre - compressing is adopted . so the dissertation is consist of two parts : ( 1 ) the applicability study for the method of sand bedding pre - elevating and step water - filling pre - compressing , including numerical analyses for the thickness of sand bedding , the consolidation , settlement and stability of foundation , drainage , possibility of foundation liquefaction under seismic loading , et al . ( 2 ) monitoring at construction stage and checking the effect of foundation treatment , including the measurements of the settlement velocity and non - uniform settlement of ring beam under the tank , pore pressures and horizontal displacements in foundation , the pressure distribution at the bottom of oil tank and the strength increase of soils 通过多种技术方案比较，最终选择了技术先进的砂垫层预抬高分级充水预压法，论文工作主要由以下两部分组成： ( 1 )砂垫层预抬高分级充水预压法的适用性研究，其中包括砂垫层厚度、地基沉降与固结度、地基稳定性、降水、地震作用下砂土液化的可能性等方面的计算分析； ( 2 )施工监测与地基处理效果检验，其中包括油罐环梁基础沉降速率与不均匀沉降程度、各分级充水加载阶段地基超静孔压与深层水平位移、油罐底板压力分布及地基土强度增长等方面的实测与数据分析。
This paper makes an explicit instruction about how to control the raw material , construction process and the quality of kinds of construction . especially in the aspect of construction monitoring , this paper makes a full and explicit instruction about the goal , elemental idea , approach and enforcement of the construction monitoring . this paper makes the enforcement of the construction monitoring as its important conten t and explains the importance of the construction monitoring 文中详细阐述了在施工过程中，如何对原材料、施工工序、各分项工程质量进行控制和监测；特别对用碳纤维布加固梁体的施工工艺和技术进行了详细描述，提出了施工过程质量控制的重点、难点；在施工监测方面，着重阐述了监测的目的、基本思路和方法以及在施工过程中的实施；把该桥施工监测的实施和桥梁系统的信息反馈作为重点内容进行了分析，充分说明了施工监测在施工过程中的重要性。
The first part of the paper gives a brief historical retrospect to the development of pc rigid frame bridges , and a detailed account of the information about their structure design and construction technique , and an introduction to the recent research at domestic and abroad , and an exposition of the necessity and significance of the study in this paper : first , to analyze the influence of the factors come from the construction procedure on the bridge structure internal forces and line form , for the accumulation of experiences to guide " construction control in the same type of bridge 论文第一部分简单回顾了预应力混凝土刚构桥的发展历程，对刚构桥设计、施工方法等主要内容作了较为详尽叙述，并介绍了国内外在这一方面的研究动态和主要研究成果。随后阐述了本论文研究的必要性和意义：第一、分析施工过程中各种施工因素对结构内力和成桥线形的影响，为同类型桥梁的施工监测监控积累经验。
Setting the completed or being constructed chasm structure as example , the main design and construction method of it used in the road and bridge project has been discussed , and also it was pointed out the application condition and setting principle , of underground continuous wall , and the importance of supervision and measurement 以已完工和正在施工中的路堑结构为例,论述地下连续墙用在道桥工程中的设计要点及施工方法,指出地下连续墙的适用条件、设置原则及在路堑结构中施工监测的重要性。
Topics include : site investigation ( with emphasis on in situ testing ) , shallow ( footings and raftings ) and deep ( piles and caissons ) foundations , excavation support systems , groundwater control , slope stability , soil improvement ( compaction , soil reinforcement , etc . ) , and construction monitoring 主题包含有工址调查(强调现地试验) 、浅基础(基脚式基础与筏式基础)和深基础(桩基础与沉箱) 、开挖之支撑系统、地下水控制、边坡稳定、土壤改良(夯实与土壤加劲等)和施工监测等。
Taking nanpu bridge ( fst bridge ) in chun - an county as an instance , many problems on construction control technique for cfst bridge are discussed in this paper , including : the analysis method of simulating construction phase , construction monitoring technology , calculation of stayed - buckle - cable forces , allotting deadweight of pumping liquid concrete , analysis on the inflection of shrinkage and creep of core concrete in steel tube , analysis on the error in construction control , sensitivity analysis of parameters and parameter identification 本文以淳安县南浦大桥为背景，对钢管混凝土拱桥施工控制中的结构分析方法、施工监测技术、斜拉扣索索力计算、泵注混凝土自重荷载的分配、钢管核心混凝土收缩徐变分析、施工控制误差分析、参数敏感性分析及参数估计等问题展开研究。
Secondly , by means of arranging and analyzing the construction monitor data , the practicality method of proposing the dewatering calculation model and parameters of the non - constantly pumping dewatering well was proposed , moreover the equivalent calculation model and parameters of the erhe project was proposed . thirdly , based on calculating the design scheme of dewatering well with the equivalent calculation model , the optimized scheme of dewatering well of the erhe project was proposed and the well number was reduced to 32 where it was 42 in the old scheme . at last , based on the well construction , the dewatering well structure and constructing technique in the soft soil area were exploited in addition , the significative analysis and evaluation attitudes to the old design scheme of dewatering well project were impersonally proposed 首先，根据工程地质及水文地质条件和工期分析，提出了“二河”降水井的设计方案；其次，通过系统整理分析抽水井的施工监测记录，提出了用降水井的施工监测确定非定常抽水降水井井流模型和参数的实用方法，并建立和确定了“二河”降水井非定常抽水、有越流的完整潜水井等效模型和参数；接着，通过用等效井流模型进行降水井方案的计算，提出了“二河”降水井的优化方案，使原方案的42眼井降到32眼井；最后，通过对降水井成井施工实践的总结，开发了适于软土区的降水井结构和成井施工技术。
With the development of high and ultrahigh construction ， the utilizations of underground space become more and more important . meanwhile ， the number of projects with deep foundation has been rapidly increasing . design of retaining and protecting for foundation excavation and construction skill become the key technical problems . technique of retaining and protecting for foundation excavation is not only a synthesize civil problem ， but also a practical subject . on the basis of characters and functions of the foundation excavation ， it has described the status of the main aspects of total scheme design of retaining and protecting for foundation excavation ， excavation and supporting of foundation eccavation in china and some major concepts formulated in this respect 随着我国高层与超高层建筑的发展，地下空间的开发和利用日益重要，相应深基坑工程的数量也急剧增加，因而深基坑支护设计与施工技术成为技术热点问题.根据深基坑的基本功能与特点，主要介绍了我国在深基坑总体方案设计、支护结构、基坑开挖、施工监测、地下水控制等关键问题的现状与主要观点
This paper has studied and set up a supervision and control system based on the backing item of jinzhou yangtze river bridge with main span of 500m , by analyzing the development of construction control of cable - stayed bridges in china and abroad , foreword calculation of 250 work cases of plane bar fem , adoption of advanced equipment and devices , quick analysis of gathered data research of karemen filtering method , least square and gray model gm ( 1 , 1 ) into the identification of the real state and precuts and effective manage mechanism 本文以荆州长江公路大桥主跨500米的混凝土斜拉桥施工为应用背景，通过分析目前国内外大跨度混凝土斜拉桥施工控制现状，结合该桥施工实践，运用平面杆系有限元计算理论对大桥250个工艺进行正装计算，采用先进测试设备和仪器，利用计算机快速分析处理技术对现场监测系统收集的数据进行误差分析，系用卡尔曼滤波法、最小二乘法和灰色理论gm ( 1 ， 1 )进行结构真实状态的识别和后期预测，通过科学高效的监控管理机制的运行和监控实践，探索并建立了一套适合于大跨度混凝土斜拉桥的施工监测监控体系。
