本文關(guān)鍵詞：建筑結(jié)構(gòu)動(dòng)力性能檢測(cè)與評(píng)價(jià)研究　出處：《青島理工大學(xué)》2013年碩士論文　論文類型：學(xué)位論文

  更多相關(guān)文章： 動(dòng)力性能 損害識(shí)別 頻率 振型 采集器 可視化

【摘要】：本文首先介紹了工程結(jié)構(gòu)動(dòng)力性能檢測(cè)技術(shù)的新發(fā)展，國(guó)內(nèi)外研究現(xiàn)狀，，現(xiàn)有的技術(shù)成果，本人課題的研究目的、方法、內(nèi)容及意義等，然后結(jié)合我們的實(shí)踐研究，參考現(xiàn)有的技術(shù)成果及相關(guān)的技術(shù)規(guī)程、規(guī)范、法規(guī)等詳盡介紹了動(dòng)力檢測(cè)的適用范圍，檢測(cè)儀器的技術(shù)參數(shù)要求，檢測(cè)步驟、方法，檢測(cè)方案的制定，實(shí)時(shí)數(shù)據(jù)的保存與整理，動(dòng)力性能檢測(cè)的評(píng)價(jià)體系等，最后通過(guò)若干工程案例展示了研究成果的可靠性與前瞻性。 論文就建筑結(jié)構(gòu)動(dòng)力性能檢測(cè)技術(shù)與評(píng)價(jià)的核心內(nèi)容提出了有見(jiàn)地的成果，其中包括：采集器的工作原理、測(cè)點(diǎn)布置方法、采集器的校核以及檢測(cè)實(shí)施工程中的注意事項(xiàng)，特別制作了檢測(cè)方案實(shí)施表格；檢測(cè)適用范圍的定性認(rèn)定與論證；受到周圍環(huán)境、信號(hào)傳輸?shù)炔淮_定因素影響的檢測(cè)數(shù)據(jù)預(yù)處理；高層建筑結(jié)構(gòu)與大跨空間結(jié)構(gòu)模態(tài)參數(shù)差異識(shí)別等。這些都為動(dòng)力性能檢測(cè)技術(shù)的發(fā)展提供了有力參考。 當(dāng)然，筆者也認(rèn)識(shí)到該項(xiàng)技術(shù)的發(fā)展還存在諸多問(wèn)題。如動(dòng)力性能檢測(cè)的對(duì)象還需進(jìn)一步論證；采集器的計(jì)量標(biāo)定需設(shè)定標(biāo)準(zhǔn)；采集器布置如何優(yōu)化；采集數(shù)據(jù)的有效性如何評(píng)價(jià)；損傷識(shí)別的綜合分析等。但考慮到其特殊的優(yōu)點(diǎn)、低廉的成本，相信隨著該體系的完善，與現(xiàn)行靜力檢測(cè)技術(shù)相結(jié)合必將為工程結(jié)構(gòu)可靠性鑒定提供強(qiáng)大武器。
[Abstract]:This paper first introduces the new development of engineering structure dynamic performance testing technology, the domestic and foreign research status, existing technical achievements, my research objectives, methods, content and significance. Then combined with our practical research, referring to the existing technical achievements and related technical procedures, norms, regulations and other detailed introduction of the scope of application of dynamic testing, the technical parameters of testing equipment requirements, testing steps. Methods: the design of testing scheme, the preservation and arrangement of real-time data, the evaluation system of dynamic performance testing, etc. Finally, the reliability and foresight of the research results are demonstrated through several engineering cases. In this paper, the core contents of dynamic performance testing and evaluation of building structures are presented, including the working principle of the collector and the layout of measuring points. The checking of the collector and the matters needing attention in the detection and implementation project, especially the implementation form of the test scheme is made. The qualitative identification and demonstration of the scope of application; Pre-processing of detection data affected by uncertain factors such as surrounding environment, signal transmission and so on; The difference identification of modal parameters between tall building structures and long-span spatial structures provides a powerful reference for the development of dynamic performance testing technology. Of course, the author also recognizes that there are still many problems in the development of the technology, such as the object of dynamic performance testing needs further demonstration; The measurement and calibration of the collector need to set the standard; How to optimize the arrangement of the collector; How to evaluate the validity of data collection; In view of its special advantages and low cost, it is believed that with the improvement of the system, the combination of this system with the current static detection technology will provide a powerful weapon for the reliability evaluation of engineering structures.
【學(xué)位授予單位】：青島理工大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2013
【分類號(hào)】：TU311.3;TU317

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