巖爆震動 的英文怎麼說
中文拼音 [yánbàozhèndòng]
巖爆震動
英文
rock burst shock-
There are certain difficulties in studying the failure process of frangible materials such as concrete, rock, etc which are caused by dynamic loads such as collision, earthquake, exploding, etc by those current exited numerical methods like finite element method etc. so in order to solve such a problem we should introduce certain new numerical analysis method
現存的一些數值方法如有限元法等在研究混凝土、巖石等脆性材料在沖擊、爆破、地震等動荷載作用下的破壞過程問題中存在著一定的困難。因此,對於此類問題需要新的數值分析方法。The tectonic plate motions, especially at the convergent edge of the lithospheric plate, such as building mountain, earthquake eruption, island - arc and trough development, and so on, which are close related on the human inhabiting environment
板塊構造運動,特別是巖石圈板塊匯聚地帶的構造運動? ?造山運動、地震爆發和島弧海溝的形成等,這些與人類生存環境息息相關。The criterion of the damage of the eastern slope of open pit of tongshankou mining by blasting vibration can be judged by dynamic stress ratios ( dsr )
銅山口礦露天采場東幫巖體爆破震動破壞情況可使用動態應力比判據來判別; 5Non - uniformity of the amplifying effect and dimension of the slope are pointed out through analysis of the distribution of the stress and sonic speed in the slope. forms of slope lost stability resulted from blasting vibration are analyzed and appraising rules of slope stability are summarized by a great deal instances on coasts. based on general discussion about calculation methods of the slope stability under the effect of blasting vibration, the synthetical method, a new one, is put forward, analyzed through a sample by and pointed out which is one of most valid methods
利用波動理論,得出延期時間為nt / m時減震效果最好;在分析邊坡巖體內部應力、質點速度等分佈規律的基礎上,指出邊坡震動放大效應的不均勻性和邊坡尺寸效應;結合大量滑坡實例,分析了爆破震動引起邊坡失穩破壞的幾種形式,總結出邊坡穩定性評價準則;基於對邊坡穩定性計算方法的綜合分析,提出了一種綜合分析方法,通過算例計算分析,證明該法計算精確度高、功能全面,是邊坡動力穩定性分析的有效方法之一。Discussion on safety evaluation of vibration effect by rock excavation blasting
巖土開挖爆破震動效應安全判據的探討The effect of blast quake, the rule of slope failure and the controlling technique were made up as a whole in this paper to research. the main research foucs on : first, investigation of in site engineering geology and hydrological geology ; second, blast design and in site measurement : on the basis of the first stage work, considering special rock condition, blast design, blast test and measurement in site were made in the same time. the propagation rule of blast wave in the process of rock excavation, blast quake space and the effect of blast on rock slope were studyed
本論文將開挖爆破震動效應和邊坡巖體火穩破壞規律及其控制技術作為一個整體進行研究,主要研究內容包括:現場工程地質水文地質調查研究;爆破方案設計和現場測試:在現場工程地質水文地質調查研究基礎上,結合特定條件下的巖石條件進行爆破方案設計,同時進行現場爆破試驗和監測,研究路塹開挖過程中爆破產生的地震波傳播規律、爆破振動場及爆破對巖質邊坡的影響。Abstract : main construction points of qingfang hospital station on qingdao subway under the condition of hard surrounding rock are described. blasting control and vibration monitoring are stressedly introduced
文摘:闡述了青島地下鐵道青紡醫院車站在堅硬巖層中的施工要點,重點介紹了爆破控制、震動監測等內容,對于城市硬質巖石條件下的地下工程具有借鑒意義。On the basis of the blasting and excavation and the shotcreting and rock bolting process of a large high slope engineering, the vibration transmission laws in the presplitting blasting, the rock caving blasing and the high slope blasting where the vibration is magnified are analyzed and compared. the effect of the blasting on the slope rock mass and the quality of supporting system construction are evaluated. on this basis, the construction quality control measures are worked out
以某大型高邊坡工程的爆破開挖與錨噴支護過程為基礎,分析比較了預裂、崩巖爆破與坡高放大的震動傳播規律,評價了爆破對邊坡巖體及支護系統施工質量的影響,據此提出了施工質量的控制措施。Through analyzing a lot of tested data of seismic waves from deep - hole blastings at a different angle, the changing rules and influence factors of such main parameters as frequency, amplitude and lasting - time of blasting seismic waves propagating in a rock medium are obtained, and the empiral formulas for calculating the amplitude of blasting seismic wave acceleration are fitted out by binary regression
通過從不同角度對大量的深孔爆破地震動測試數據的分析,得到了巖石中爆破地震波傳播的頻率、幅值和持續時間等主要參數的變化規律以及它們的影響因素,並通過二元回歸法,擬合出計算爆破地震波加速度幅值的經驗公式。According to the testing and analysis of deep - hole blasting vibration effect at this mine, the influencing laws of different lithology and layer ' s strike on the spread of seismic wave caused by blasting were obtained, and a basis was given for forecasting earthquake caused by blasting and the blasting design of reduced vibration effect
通過該礦深孔爆破振動效應的試驗和分析,獲得了該礦不同巖性和巖層走向對爆破地震波傳播的影響規律,為爆破地震預測和減震爆破設計提供了依據。At first, the author has analyzed the theory, mechanism and shock - absorption in pre - split blasting, studied the rising of crack, expanding and stopping, and did various factors which influence on the crack of rock in pre - split blasting. the main factors have been determined to be the strength of mineral and rock, the diameter of drill, the type of explosive and the growth degree of crack. then, the author has researched bp neural networks " work principle, structure and defectiveness
首先分析了巖石成縫的理論、機理和減震作用,研究了裂紋的起裂、擴展和止裂;分析了各種因素對巖石預裂爆破成縫的影響,確定了礦巖強度、孔徑、炸藥類型和裂隙發育程度作為主要影響因素;並研究了bp神經網路工作原理、結構和缺陷,把改進的bp神經網路運用在巖石預裂爆破參數設計中,建立以礦巖強度、孔徑、炸藥類型和裂隙發育程度為主要影響指標的bp神經網路的預裂爆破參數設計識別模型;運用matlab6 . 5語言開發了爆破參數設計的智能系統,實現了預裂爆破參數設計的自動化,用工程實例驗證系統模塊的功能。分享友人