發(fā)布時(shí)間：2018-04-18 21:14

  本文選題：沖擊礦壓 + 危險(xiǎn)區(qū)域劃分��； 參考：《華北理工大學(xué)》2017年碩士論文

【摘要】：隨著我國(guó)煤礦開(kāi)采深度的不斷延深,沖擊礦壓現(xiàn)象也越來(lái)越多,嚴(yán)重制約著煤礦安全高效開(kāi)采,由于其產(chǎn)生機(jī)理極其復(fù)雜,影響因素眾多,災(zāi)害發(fā)生的突然性和難以預(yù)測(cè)性而成為礦山力學(xué)研究的一個(gè)重要課題。唐山礦自1964年第一次發(fā)生沖擊礦壓以來(lái),至今已發(fā)生81次,沖擊礦壓給唐山礦的安全生產(chǎn)帶來(lái)重大威脅。論文以唐山礦Y485工作面為研究背景,對(duì)沖擊礦壓的危險(xiǎn)區(qū)域劃分、沖擊礦壓監(jiān)測(cè)和防治進(jìn)行了研究。在充分研究Y485工作面地質(zhì)條件和開(kāi)采環(huán)境的基礎(chǔ)上,確定了Y485工作面可能發(fā)生沖擊礦壓的10種影響因素,并對(duì)工作面危險(xiǎn)區(qū)域進(jìn)行了劃分,對(duì)Y485工作面區(qū)域已有巷道、巷道掘進(jìn)、工作面回采期間的26個(gè)危險(xiǎn)區(qū)域進(jìn)行了分析和劃分。采用鉆孔應(yīng)力計(jì)應(yīng)力監(jiān)測(cè)、電磁輻射儀監(jiān)測(cè)和鉆屑法監(jiān)測(cè)等監(jiān)測(cè)手段對(duì)工作面危險(xiǎn)區(qū)域進(jìn)行監(jiān)測(cè),為沖擊礦壓的防治措施的實(shí)施確定了時(shí)機(jī)。以從安全區(qū)域逐步進(jìn)入危險(xiǎn)區(qū)域進(jìn)行解危,邊監(jiān)測(cè)邊解危,解危后進(jìn)行效果檢驗(yàn)為原則,提出了在劃分的弱危險(xiǎn)區(qū)域和中等危險(xiǎn)區(qū)域采用鉆孔卸壓或爆破措施進(jìn)行卸壓處理,在強(qiáng)危險(xiǎn)區(qū)域使用深孔多組分段高能量爆破卸壓的防治措施,取得了良好的治理效果。該研究成果對(duì)唐山礦沖擊礦壓的防治工作具有重要的指導(dǎo)作用,為礦井的安全高效開(kāi)采提供了技術(shù)保障,為礦山力學(xué)的研究提供了寶貴的現(xiàn)場(chǎng)實(shí)踐基礎(chǔ)。
[Abstract]:With the continuous deepening of coal mining depth in our country, the phenomenon of impact pressure is becoming more and more, which seriously restricts the safe and efficient mining of coal mine. Because of its extremely complex mechanism, there are many influencing factors.The sudden and unpredictable occurrence of disasters has become an important subject in the study of mine mechanics.Since the first rock burst occurred in Tangshan Mine in 1964, 81 times have occurred so far. The impact pressure has brought great threat to the safety of production in Tangshan Mine.Taking Y485 face of Tangshan Mine as the research background, the paper studies the division of dangerous area of rock burst, monitoring and prevention of rock burst.On the basis of fully studying the geological conditions and mining environment of Y485 face, this paper determines 10 kinds of influencing factors that may affect the rock pressure in Y485 face, and divides the dangerous area of the working face, and has roadway in Y485 face area.The 26 dangerous areas of roadway excavation and mining face are analyzed and divided.The stress monitoring of borehole stress meter, electromagnetic radiometer and cuttings method are used to monitor the dangerous area of the working face, which determines the time for the implementation of the prevention and treatment measures of rock burst.Based on the principle of step by step entering the dangerous area from the safe area to the dangerous area, monitoring the dangerous area while resolving the danger, and checking the effect after the release of the danger, the paper puts forward that the borehole pressure relief or blasting measures should be used to relieve the pressure in the divided weak dangerous area and the middle dangerous area.The prevention and control measures of high energy blasting pressure relief in deep hole multicomponent section are used in the high risk area and good control effect has been obtained.The research results have important guiding effect on the prevention and cure of rock burst in Tangshan Mine, provide technical guarantee for the safe and efficient mining of mine, and provide a valuable practical basis for the study of mine mechanics.
【學(xué)位授予單位】：華北理工大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2017
【分類(lèi)號(hào)】：TD324.2

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