孔道彎曲情況下壓力分散型錨索錨固段的受力機(jī)理研究
[Abstract]:Since its successful development, Pressure-dispersed anchor cable technology has been widely used in railway, highway, water conservancy, industrial and civil engineering as one of the most effective reinforcement and support technologies. The time is short, the design and calculation methods are not mature, the theoretical research is far behind the engineering application, there are many problems to be further studied in detail. For example, due to natural and technical factors, the bending of the anchor cable in the engineering construction process is very easy to occur. The research on the mechanism of anchor cable under anchorage should be paid more attention as a brand-new subject. In order to get the more practical stress of anchor cable, the axial stress of Pressure-dispersed prestressed anchor cable under the conditions of hole bending and hole straightening and the shear stress between grouting and surrounding rock hole wall are obtained by model test and numerical simulation respectively. The main work done in this paper is as follows: (1) Analysis and summary of the causes and hazards of the bending of the anchor cable passage. (2) Through model test and simulation analysis, the forces acting on the straight and curved anchor cable under the graded tension load are obtained. The axial stress of anchorage section and the distribution of shear stress between grouting body and surrounding rock mass are analyzed and studied. (3) By analyzing the curves, it is found that the axial stress of curved anchor cable is greater than that of straight anchor cable and the action range is wider; the shear stress inside curved anchor cable is greater than that of direct shear stress outside curved anchor cable. (4) (3) The relevant conclusions provide the relevant basis for further theoretical and experimental research and practical construction of Pressure-dispersed anchor cables.
【學(xué)位授予單位】:西南科技大學(xué)
【學(xué)位級(jí)別】:碩士
【學(xué)位授予年份】:2017
【分類號(hào)】:TU476
【參考文獻(xiàn)】
相關(guān)期刊論文 前10條
1 賀建清;王磊;陳秋南;;壓力型錨桿錨固段荷載傳遞機(jī)理研究[J];應(yīng)用力學(xué)學(xué)報(bào);2013年06期
2 周德培;劉世雄;劉鴻;;壓力分散型錨索設(shè)計(jì)中應(yīng)考慮的幾個(gè)問(wèn)題[J];巖石力學(xué)與工程學(xué)報(bào);2013年08期
3 劉鴻;周德培;王志斌;;壓力分散型錨索錨固機(jī)制模型試驗(yàn)研究[J];巖石力學(xué)與工程學(xué)報(bào);2012年S1期
4 芮瑞;夏元友;顧金才;陳澤松;;壓力分散型錨索錨固段受力特性試驗(yàn)分析[J];巖土工程學(xué)報(bào);2012年05期
5 黃輝;牟文俊;陶林;;淺析大噸位、超長(zhǎng)孔深錨索鉆孔孔斜控制[J];探礦工程(巖土鉆掘工程);2010年06期
6 董樹(shù)果;張欣;馬建光;;預(yù)應(yīng)力土錨索在海河護(hù)岸中的應(yīng)用[J];海河水利;2009年05期
7 曾憲明;林大路;李世民;左魁;徐孝華;杜寧波;;錨固類結(jié)構(gòu)桿體臨界錨固長(zhǎng)度問(wèn)題綜合研究[J];巖石力學(xué)與工程學(xué)報(bào);2009年S2期
8 王清標(biāo);;孔道成孔工藝對(duì)錨固力損失的分析與控制[J];山東大學(xué)學(xué)報(bào)(工學(xué)版);2009年04期
9 趙廷嚴(yán);;淺析鉆孔彎曲產(chǎn)生的原因及預(yù)防糾正措施[J];中國(guó)煤炭地質(zhì);2009年S1期
10 夏元友;范衛(wèi)琴;芮瑞;王艷麗;;壓力分散型錨索作用效果的數(shù)值模擬分析[J];巖土力學(xué);2008年11期
相關(guān)博士學(xué)位論文 前6條
1 羅強(qiáng);巖質(zhì)邊坡穩(wěn)定性分析理論與錨固設(shè)計(jì)優(yōu)化研究[D];中南大學(xué);2010年
2 盧黎;壓力型巖錨內(nèi)錨固段錨固性能及工程應(yīng)用研究[D];重慶大學(xué);2010年
3 鄭筱彥;壓力分散型錨索加固邊坡效應(yīng)研究[D];武漢理工大學(xué);2009年
4 張思峰;預(yù)應(yīng)力內(nèi)錨固段作用機(jī)理及其耐久性研究[D];同濟(jì)大學(xué);2007年
5 尤春安;錨固系統(tǒng)應(yīng)力傳遞機(jī)理理論及應(yīng)用研究[D];山東科技大學(xué);2004年
6 劉小麗;新型樁錨結(jié)構(gòu)設(shè)計(jì)計(jì)算理論研究[D];西南交通大學(xué);2003年
相關(guān)碩士學(xué)位論文 前4條
1 程軍勇;預(yù)應(yīng)力錨索樁作用機(jī)理的研究[D];西南交通大學(xué);2010年
2 陳琛;壓力分散型錨索錨固機(jī)理及錨固段設(shè)計(jì)方法研究[D];武漢理工大學(xué);2010年
3 劉士虎;壓力分散型預(yù)應(yīng)力錨索結(jié)構(gòu)與受力狀態(tài)的研究[D];吉林大學(xué);2006年
4 盛宏光;壓力分散型錨索錨固性能與設(shè)計(jì)方法研究[D];成都理工大學(xué);2003年
,本文編號(hào):2226171
本文鏈接:http://www.sikaile.net/jianzhugongchenglunwen/2226171.html