發(fā)布時(shí)間：2018-06-18 01:11

  本文選題：公路隧道 + 無(wú)損檢測(cè)��； 參考：《長(zhǎng)安大學(xué)》2014年碩士論文

【摘要】：隨著現(xiàn)代高等級(jí)公路建設(shè)的迅猛發(fā)展，近年來(lái)公路隧道建設(shè)的規(guī)模越來(lái)越大，長(zhǎng)度越來(lái)越長(zhǎng)。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(cè)方法、檢測(cè)技術(shù)、檢測(cè)水平以及儀器自身局限性的限制，國(guó)內(nèi)沒(méi)有隧道無(wú)損檢測(cè)相關(guān)規(guī)范，直接影響到了將后來(lái)隧道能否安全運(yùn)營(yíng)。本文主要針對(duì)公路隧道在施工過(guò)程中襯砌支護(hù)存在的缺陷，提出一套合理的公路隧道襯砌支護(hù)質(zhì)量無(wú)損檢測(cè)技術(shù)，從而保證公路隧道工程的質(zhì)量，減少公路隧道養(yǎng)護(hù)和維修費(fèi)用，提高公路隧道基礎(chǔ)建設(shè)的經(jīng)濟(jì)效益和社會(huì)效益。 論文研究?jī)?nèi)容有兩個(gè)方面： 1.地質(zhì)雷達(dá)法檢測(cè)技術(shù) 首先，針對(duì)地質(zhì)雷達(dá)現(xiàn)場(chǎng)檢測(cè)的影響因素、后期數(shù)據(jù)處理分析等隧道檢測(cè)時(shí)可能存在的問(wèn)題，提出一系列的改進(jìn)措施。其次，為提高檢測(cè)精度，優(yōu)化檢測(cè)參數(shù)設(shè)置，建立了與隧道襯砌1:1的模型。通過(guò)對(duì)模型進(jìn)行反復(fù)試驗(yàn)，優(yōu)化了相關(guān)檢測(cè)參數(shù)。最后，，以山西省在建高速公路隧道為依托，進(jìn)行了大量的工程實(shí)踐，提出了二車(chē)道和三車(chē)道隧道的不同測(cè)線布置，及在進(jìn)行地質(zhì)雷達(dá)現(xiàn)場(chǎng)檢測(cè)時(shí)的注意事項(xiàng)，總結(jié)歸納出地質(zhì)雷達(dá)法檢測(cè)襯砌質(zhì)量時(shí)各種缺陷的標(biāo)準(zhǔn)圖譜。 2.隧道錨桿質(zhì)量聲波反射法檢測(cè)技術(shù) 以錨桿的錨固機(jī)理、力學(xué)模型、聲波反射法為理論基礎(chǔ)，通過(guò)各種及各類錨桿模型試驗(yàn)，結(jié)合大量的工程實(shí)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(jí)，并給出了各錨固等級(jí)下的參考圖譜及現(xiàn)場(chǎng)檢測(cè)時(shí)的注意事項(xiàng)。
[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(xué)位授予單位】：長(zhǎng)安大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2014
【分類號(hào)】：U455.7

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本文編號(hào)：2033309