基坑支护结构监测项目与监测报警-土木工程施工专业论文.docx

摘要摘要 摘要 摘要 本文为国家标准《建筑基坑工程监测技术规范》关于建筑基坑工程监测项目 与监测报警的研究课题。 本文首先对建筑基坑工程监测技术进行了介绍，系统阐述了建筑基坑工程监 测技术的原理与方法。对于本文主要研究内容即建筑基坑工程监测项目与监测 报警值采用专家调查法进行研究。调研前期，本文通过学术期刊论文，对我国 各大中城市的建筑基坑工程监测资料进行整理，了解各城市的地质条件、主要 支护形式、监测技术水平，确定调研城市及调研对象；并根据我国建筑基坑工 程监测技术现状，结合现行规范体系，确定调研内容。然后，对全国17个城市 的100多位专家进行了调研，取得了大量的调研数据。调研数据的处理则通过 Access、Visual Basic、Excel等软件实现，即通过Access软件建立数据库来输入、 编辑并存储调研数据，基于数理统计的方法用Visual Basic语言编写数据处理程 序对调研数据进行归纳分析，并将数据处理结果输出到Excel进行进一步的整理 以得到调研结果。最后，本文将调研结果与现行规范体系进行相互比较，确定 出符合我国建筑基坑工程监测技术现状的仪器监测项目、巡视检查内容及方法、 支护结构监测报警值以及周边环境监测报警值。 关键词：监测项目，监测报警值，调研，数据处理 ABSTRACTABSTRACT ABSTRACT ABSTRACT In this paper the monitoring item and the monitoring alarm value is studied for the Technical Code for Monitoring of Building Foundation Pit Engineering． First，the monitoring technique about the principle and method is generally introduced．The method of seeking advices from the expert on the subject is adapted， which is also the main content of this paper．Before seeking advices，to clearly understand the hydrogeologic condition，the main form of supporting system and the local level of monitoring technique around the whole country,the monitoring data in the building foundation pit engineering is researched from the periodical and papers· Then．the cities to be investigated and experts to be consulted are decided．Also，the content of investigation is decided basing on the levels and all the present codes of our country．At end，more than 1 00 experts in 1 7 cities are counsulted and a large amount of datas are gained．After that，the datas are processed using the so,ware of Access，Visual Basic and Excel．The first step of processing is inputing，modifying and saving the data．The second is using the programme of Visual Basic to process the data by the method of mathematics statistics．The final step is inputing the result to Excel and cleanning up it further．Finally,compare the result of processing with the present codes of our country and decide the monitoring item，the content and method of inspection b