roof burst 中文意思是什麼

roof burst 解釋
頂板突然崩落
  • roof : n 1 屋頂，房屋；家屋。2 （放行李的）車頂；笠形罩。3 上頜。4 最高部，頂部；【礦物】頂板。5 【航空...
  • burst : vi 1 破裂，迸裂，爆炸；爆發出，噴出；（花蕾等）綻開，（洪水等）潰決；〈俚語〉破產。2 突然發作，忽...
  1. Influence of key roof on rock burst in sanhejian mine

    三河尖煤礦堅硬頂板對沖擊礦壓的影響分析
  2. Manage of rock burst in mine with great mining depth partial extraction and strong roof face

    煤層采場頂板活動變化及綜采面支護強度初探
  3. By theoretical analysis and actual measurement of field and phenomena analysis of rock burst, the author illustrates the directionless pressure, sudden movement and rupture of hard roof lead to the internal cracks of coal instable development, which easily results in rock burst happening

    摘要通過理論分析、現場實測和沖擊礦壓現象分析，說明了頂板堅硬巖層產生的靜壓和突然運動、破斷均可使煤體內部裂紋不穩定擴展而容易發生沖擊礦壓。
  4. It is indicated that the span and flexural stiffness of cavern roof, the dimension and brittleness of coal pillar, the uniformity of coal material and the size of mineral grain are the important factors influencing rock burst of coal pillar

    分析表明，頂板的跨徑、頂板的抗彎剛度、煤柱的尺寸、謀柱的脆性、煤巖材料的均勻性和礦物顆粒的大小是煤柱巖爆的重要影響因素。
  5. Since the vertical stress distribution of coal and rock can reflect the risk of rock burst, the influence of hardness and thickness of coal seams with a hard roof and a hard floor on the vertical stress distribution of coal and rock was simulated

    摘要在堅硬頂板和底板的「兩硬」條件下，對不同煤層厚度和硬度對煤巖體中的垂直應力分佈的影響，也即反映了對煤巖體中發生沖擊礦壓危險性的影響進行了模擬。
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