本文選題：Maag + 滲透注漿理論��； 參考：《西安建筑科技大學(xué)》2015年碩士論文

【摘要】：注漿加固是土木工程中常用的巖土體加固技術(shù)。隨著注漿材料及注漿工藝的進(jìn)步,新型注漿加固技術(shù)及其工程運(yùn)用研究也愈加受到重視。本文以韓城礦業(yè)公司下峪口煤礦為工程依托,開展高滲透性早強(qiáng)注漿材料的注漿工藝、注漿參數(shù)、煤體加固效果及應(yīng)用研究,對(duì)礦山生產(chǎn)與安全具有重要意義。為了找到適合松軟厚煤層的注漿加固材料,從注漿理論、注漿材料、注漿技術(shù)和支護(hù)方式等方面,對(duì)巷道周圍的煤巖體進(jìn)行室內(nèi)試驗(yàn)、地面模擬注漿試驗(yàn)和井下注漿試驗(yàn)。理論探究:首先分析了下峪口煤礦煤田的形成過程;其次對(duì)Maag滲透注漿理論進(jìn)行了補(bǔ)充修正,分析了注漿壓力對(duì)于滲透注漿的影響;再次基于彈塑性理論,推導(dǎo)了劈裂注漿的啟劈壓力的求解方法;估算出了下峪口煤礦21308巷道的松動(dòng)圈范圍;最后依據(jù)煤巖體裂隙發(fā)展機(jī)理,推測(cè)出裂隙條數(shù)與裂隙寬度的大致關(guān)系,并據(jù)此關(guān)系對(duì)灌注系數(shù)?的合理性進(jìn)行了驗(yàn)證。室內(nèi)試驗(yàn):對(duì)不同密度下的煤與聚氨酯攪拌后進(jìn)行了無側(cè)限抗壓強(qiáng)度試驗(yàn),發(fā)現(xiàn)聚氨酯對(duì)于煤巖體有很大的膠結(jié)作用;同時(shí)為了工程應(yīng)用,還對(duì)用于充填的水泥-黃土漿液進(jìn)行了無側(cè)限抗壓強(qiáng)度試驗(yàn)。地面模擬試驗(yàn):通過自制的煤體注漿加固裝置,進(jìn)行了地面模擬注漿試驗(yàn),計(jì)算分析了密閉空間下的煤體注漿加固的可行性。井下試驗(yàn):通過多次井下注漿試驗(yàn),得到了合適的注漿加固封孔及管路設(shè)計(jì)方案,并對(duì)現(xiàn)階段的注漿加固方案進(jìn)行了優(yōu)化;根據(jù)錨桿拉拔試驗(yàn)結(jié)果,敘述了現(xiàn)行支護(hù)方式的一些不足,并提出了巷道加固的初步方案。
[Abstract]:Grouting reinforcement is a commonly used rock and soil reinforcement technology in civil engineering. With the progress of grouting materials and grouting technology, the new grouting reinforcement technology and its engineering application have been paid more and more attention. Based on Xiayukou Coal Mine of Hancheng Mining Company, this paper is of great significance to mine production and safety by developing grouting technology, grouting parameters, coal reinforcement effect and application of high permeability early-strength grouting materials. In order to find suitable grouting reinforcement materials for soft and thick coal seam, laboratory tests, ground simulation grouting tests and underground grouting tests were carried out on coal and rock mass around roadway from the aspects of grouting theory, grouting materials, grouting technology and supporting methods. Theoretical research: firstly, the formation process of coal field in Xiayukou coal mine is analyzed; secondly, the Maag permeable grouting theory is modified to analyze the influence of grouting pressure on permeable grouting; thirdly, based on elastic-plastic theory, This paper deduces the solution method of splitting pressure of split grouting, estimates the loosening circle range of 21308 roadway in Xiayukou Coal Mine, and finally, according to the fracture development mechanism of coal and rock mass, infer the approximate relationship between the number of cracks and the width of fractures. And on the basis of the relationship between the perfusion coefficient? The rationality of the method is verified. Laboratory test: the unconfined compressive strength test of different density of coal and polyurethane was carried out. It was found that polyurethane has great cementation effect on coal and rock mass, and for engineering application, The non-lateral compressive strength test of cement-loess slurry used for filling was also carried out. Ground simulation test: through the self-made coal body grouting reinforcement device, the ground simulation grouting test was carried out, and the feasibility of the coal body grouting reinforcement under the closed space was calculated and analyzed. Underground test: through many underground grouting tests, a suitable grouting reinforcement sealing and pipe design scheme is obtained, and the grouting reinforcement scheme at the present stage is optimized, according to the test results of anchor rod drawing, This paper describes some shortcomings of current supporting methods and puts forward a preliminary plan for roadway reinforcement.
【學(xué)位授予單位】：西安建筑科技大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2015
【分類號(hào)】：TD353

【參考文獻(xiàn)】

相關(guān)期刊論文 前10條

1 童立元,潘石,邱鈺,宣國良,劉松玉;大摻量粉煤灰注漿充填材料試驗(yàn)研究[J];東南大學(xué)學(xué)報(bào)(自然科學(xué)版);2002年04期

2 何寧輝;;淺談劈裂注漿加固技術(shù)及其應(yīng)用[J];湖南交通科技;2008年03期

3 李慎剛;趙文;杜嘉鴻;;滲透注漿試驗(yàn)研究現(xiàn)狀及展望[J];路基工程;2010年03期

4 康紅普;姜鐵明;高富強(qiáng);;預(yù)應(yīng)力在錨桿支護(hù)中的作用[J];煤炭學(xué)報(bào);2007年07期

5 陳昌國,鮮學(xué)福;煤結(jié)構(gòu)的研究及其發(fā)展[J];煤炭轉(zhuǎn)化;1998年02期

6 王廣國,杜明芳,苗興城;壓密注漿機(jī)理研究及效果檢驗(yàn)[J];巖石力學(xué)與工程學(xué)報(bào);2000年05期

7 王哲,龔曉南,程永輝,張玉國;劈裂注漿法在運(yùn)營鐵路軟土地基處理中的應(yīng)用[J];巖石力學(xué)與工程學(xué)報(bào);2005年09期

8 阮文軍;基于漿液粘度時(shí)變性的巖體裂隙注漿擴(kuò)散模型[J];巖石力學(xué)與工程學(xué)報(bào);2005年15期

9 湯怡新,劉漢龍,朱偉;水泥固化土工程特性試驗(yàn)研究[J];巖土工程學(xué)報(bào);2000年05期

10 寧寶寬,陳四利,劉斌,劉一芳;環(huán)境侵蝕下水泥土的力學(xué)效應(yīng)試驗(yàn)研究[J];巖土力學(xué);2005年04期

相關(guān)博士學(xué)位論文 前3條

1 馮志強(qiáng);破碎煤巖體化學(xué)注漿加固材料研制及滲透擴(kuò)散特性研究[D];煤炭科學(xué)研究總院;2007年

2 周中;土石混合體滑坡的流—固耦合特性及其預(yù)測(cè)預(yù)報(bào)研究[D];中南大學(xué);2006年

3 衛(wèi)進(jìn);深部回采巷道耦合支護(hù)機(jī)理及其應(yīng)用研究[D];太原理工大學(xué);2012年

相關(guān)碩士學(xué)位論文 前1條

1 謝建林;煤孔徑結(jié)構(gòu)以及表面特性對(duì)煤吸附甲烷性能影響的研究[D];太原理工大學(xué);2004年

，

本文編號(hào)：2004689