本文選題：公路隧道 + 無損檢測�。� 參考：《長安大學》2014年碩士論文

【摘要】：隨著現(xiàn)代高等級公路建設的迅猛發(fā)展，近年來公路隧道建設的規(guī)模越來越大，長度越來越長。隧道是隱蔽工程，安全隱患不易被發(fā)現(xiàn)，再加上受到檢測方法、檢測技術、檢測水平以及儀器自身局限性的限制，國內(nèi)沒有隧道無損檢測相關規(guī)范，直接影響到了將后來隧道能否安全運營。本文主要針對公路隧道在施工過程中襯砌支護存在的缺陷，提出一套合理的公路隧道襯砌支護質(zhì)量無損檢測技術，從而保證公路隧道工程的質(zhì)量，減少公路隧道養(yǎng)護和維修費用，提高公路隧道基礎建設的經(jīng)濟效益和社會效益。 論文研究內(nèi)容有兩個方面： 1.地質(zhì)雷達法檢測技術 首先，針對地質(zhì)雷達現(xiàn)場檢測的影響因素、后期數(shù)據(jù)處理分析等隧道檢測時可能存在的問題，提出一系列的改進措施。其次，為提高檢測精度，優(yōu)化檢測參數(shù)設置，建立了與隧道襯砌1:1的模型。通過對模型進行反復試驗，優(yōu)化了相關檢測參數(shù)。最后，，以山西省在建高速公路隧道為依托，進行了大量的工程實踐，提出了二車道和三車道隧道的不同測線布置，及在進行地質(zhì)雷達現(xiàn)場檢測時的注意事項，總結(jié)歸納出地質(zhì)雷達法檢測襯砌質(zhì)量時各種缺陷的標準圖譜。 2.隧道錨桿質(zhì)量聲波反射法檢測技術 以錨桿的錨固機理、力學模型、聲波反射法為理論基礎，通過各種及各類錨桿模型試驗，結(jié)合大量的工程實踐，總結(jié)出了不同錨固質(zhì)量下的聲波反射波形，提出了錨桿錨固質(zhì)量判定等級，并給出了各錨固等級下的參考圖譜及現(xiàn)場檢測時的注意事項。
[Abstract]:With the rapid development of modern highway construction, the scale and length of highway tunnel construction is getting larger and longer in recent years. Tunnel is a hidden project, the hidden danger of safety is not easy to be found, coupled with the detection method, detection technology, testing level and the limitations of the instrument itself, there are no relevant norms for tunnel nondestructive testing in China. A direct impact will be the tunnel will be safe to operate. Aiming at the defects of lining support in highway tunnel construction, this paper puts forward a set of reasonable nondestructive testing technology for lining support quality of highway tunnel, so as to ensure the quality of highway tunnel engineering. Reduce the maintenance and maintenance cost of highway tunnel and improve the economic and social benefits of highway tunnel infrastructure construction. There are two aspects in this paper: 1. First of all, a series of improvement measures are put forward to solve the problems in tunnel detection, such as the influencing factors of field detection and the later data processing and analysis, etc. Secondly, in order to improve the accuracy of detection and optimize the setting of detection parameters, the 1:1 model of tunnel lining is established. The parameters of the model are optimized by repeated experiments. Finally, based on the highway tunnel under construction in Shanxi Province, a large number of engineering practices have been carried out, and the different line arrangement of two-lane tunnel and three-lane tunnel are put forward, as well as the matters needing attention in the field detection of GPR. The standard atlas of various defects in the detection of lining quality by GPR method is summarized. 2. Based on the anchoring mechanism, mechanical model and acoustic reflection method, the mass acoustic reflection testing technology of tunnel anchor rod is based on various and various kinds of anchoring model tests, combined with a large number of engineering practices, the method of tunnel anchor mass acoustic reflection testing is based on the anchoring mechanism, mechanical model and sound wave reflection method. The acoustic wave waves under different anchoring quality are summarized, and the judging grade of anchoring quality is put forward, and the reference map of each anchoring grade and the matters needing attention in field inspection are given.
【學位授予單位】：長安大學
【學位級別】：碩士
【學位授予年份】：2014
【分類號】：U455.7

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