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- Anchor concreting is an effective support technique to control surrounding rock deformation and keep tunnel stability. 錨桿注漿是一種行之有效的控制圍巖變形和保證巷道穩定的支護技術(shù)。
- SHEN Zhu-jiang.Simulation of rock deformation and failure by binary medium model[J].Hydroscience and Engineering,2004,(1):1-5. [10]沈珠江;陳鐵林.;巖樣變形和破壞過(guò)程的二元介質(zhì)模擬[J]
- This paper studies the failure mechanism of roof-coal in abutment presure according to the basic principle about rock deformation and roct mechanics. 本文以巖石力學(xué)關(guān)于巖石變形破壞的基本原理為基礎,研究了在支承壓力作用下頂煤破碎機理。
- On the basis of mechanism of soft rock deformation,the coupled supporting principle has been deve loped in this article. 根據煤礦軟巖的變形力學(xué)機制,提出耦合支護力學(xué)原理。
- Optical fiber sensor is embeded in rock layer of model to find premonitory information of rock deformation and the process of rock damage with mining. 在模擬礦山開(kāi)采引起的巖層運動(dòng)時(shí),將光纖傳感器埋入模型的巖層中,研究采用光纖傳感技術(shù)監測巖體變形的理論和技術(shù)。
- Based on a complete stress-strain curve of the rock, an elastoplastic formula describing rock deformation failure is established. 從巖石的全應力-應變曲線(xiàn)出發(fā),建立了描述圍巖變形破壞的彈塑性本構方程。
- the evolution of surrouding rock stress field 圍巖應力場(chǎng)演變
- anchorage during surrouding rock 圍巖錨固
- Conventional gas reservoir simulation technique is based on Darcy's Law, and cannot accurately describe the percolation with start-up pressure gradient and rock deformation. 常規氣藏數值模擬技術(shù)基于線(xiàn)性的達西定律,無(wú)法對啟動(dòng)壓力梯度和介質(zhì)變形的情況予以準確描述。
- The monitoring project of Zhouning Hydropower station underground plant and water intake system including monitoring of the surrounding rock deformation,bolt stress,osmotic pressure and joint. 周寧水電站地下廠(chǎng)房及引水系統的監測項目包括圍巖變形監測、錨桿應力計監測、滲透壓力監測、測縫計監測。
- During the test,the rock deformation built up a permeability drawdown cone around the wellbore of Well Kela 205,but the decline scope is small and its effect on productivity is not serious. 測試過(guò)程中巖石變形使近井區域形成了一個(gè)滲透率下降漏斗,但下降的幅度較小,對氣井產(chǎn)量的影響也不大。
- With the single axial loading system and the infrared hot image technology,a probing test research on infrared radiation changes of the coal and rock deformation in Shanxi Shuiyu Mine was conducted. 利用單軸加載系統和紅外熱成像技術(shù),對山西水峪礦的煤巖變形過(guò)程中的紅外輻射變化進(jìn)行了探測試驗研究。
- On the basis of monitoring results obtained from the permanent lock slope of TGP, this paper presents an analysis on the characteristics of rock deformation and its effective factors. 根據三峽工程永久船閘高邊坡變形監測成果,對船閘邊坡巖體的變形特征及其影響因素進(jìn)行了分析。
- The little tremie grouting is applicable to low-level surrouding rock; 小導管注漿多適用于低類(lèi)別圍巖;
- The rock deformation is plastic characteristics with low intermediate principal stress and is transferred from plastic to brittle characteristics with high intermediate principal stress. 在中間主應力較低時(shí),巖石呈現出塑性的特征,隨著(zhù)中間主應力的增加,巖石逐漸由塑性向脆性轉變。
- The differences in rock deformation, geomorphological evolution and fault movement phases show that the Menyuan Basin underwent four stages of tectonic movements since the Cenozoic. 地層變形、地貌發(fā)育和斷裂活動(dòng)分期的差異顯示新生代以來(lái)門(mén)源盆地經(jīng)歷了4個(gè)構造運動(dòng)階段。
- rock deformation and stability measurement 巖石變形及穩定性測量
- A discrete element model of porous rock deformation 高孔隙巖石變形的離散單元模型
- The rock was honeycombed with passages. 巖石上有許多蜂窩狀的小孔。
- The surrounding rock deformation of roadway 巷道圍巖變形