顶板离层监测是全锚支护巷道掘进过程中综合监测的重要内容。
Roof abscission layer monitoring is one of important part of integrated monitoring in the full-anchor support roadway tunneling process.
掘进过程中的支护采用湿喷混凝土,3米厚的基底和穹拱衬砌采用浇注混凝土。
Wet sprayed concrete for supporting purposes during the drive, in situ concrete for the up to 3 m thick Base and for lining the vault.
南屯煤矿深部松软煤层巷道,在掘进过程中顶板破碎,伴有大量顶煤冒落且围岩破坏严重。
During the initial excavation, the tender coal seam workings in deep seam in Nantun Colliery takes on slocking of roof, with breaking-out in bulk coal and surrounding rock failure.
此举既避免了上下山掘进过程中,巷道变形挤压容易造成横梁弯曲,还延长了提升机的寿命周期。
This not only avoids the park tunneling process, the tunnel deformation caused by squeezing the beam bending easily, but also extend the life cycle of the hoist.
局部通风机是煤矿井下掘进过程的重要设备,其使用的可靠性和效能直接影响着瓦斯的安全排放。
The partial ventilator in the coal mine is an important equipment in mine digging, its dependability and efficiency affect directly the safety of gas drainage.
因此,将岩石可切割性划分为软、中软及中硬三个级别,对掘进过程中岩石的可切割性进行识别。
So the rock cuttabilities are divided into three levels as soft, medium soft and medium hard, based on which the rock cuttabilities along the tunnel is recognized.
盘形滚刀作为盾构掘进机在掘进过程中破岩的主要刀具,其破碎效率直接影响了地下工程施工的效率和成本。
Disc cutter is an important tool of shield machine to crush the rock during excavating tunnel, cracking efficiency of it directly impacts on the construction efficiency.
在岩巷掘进过程中使用小直经钻尖,小直径药卷和小直径锚杆,可实现光面爆破,有效提高成巷建设,降低掘进成本。
This paper introduces driving rock drift with minor diameter bit, minor diameter cartridage and minor diameter bolt, it can realize smooth blasting, roadway speed is raised, driving cost is reduced.
盾构机掘进过程中不但会引起土层的沉降,而且会引起土层沿盾构机前进方向的纵向位移和垂直于隧道掘进方向的横向位移。
Shield tunneling may cause not only the soil settlement, but also the longitudinal and transversal displacements in the respect to direction of shield advancing.
在综采放顶煤工作面顺槽掘进过程中,由于顺槽煤层顶板松动破碎,并且顺槽采用矩形断面,顶板跨距较大,不利于巷道支护。
During the drivage of main-gate in long-wall face with fully mechanized caving mining, the gate is hard to support due to its loose and broken roof, large cross-section and long span.
关山隧道在掘进过程中,围岩裂隙带和构造破碎带相互串通导致基岩裂隙水向隧道内渗漏,引起山体泉水干涸,对其周边地区生态环境产生影响。
During the tunnel digging, crevice water seeped into the tunnel and resulted in the dry-up of the springs, thus affecting the ecological environment of the mountain region.
关山隧道在掘进过程中,围岩裂隙带和构造破碎带相互串通导致基岩裂隙水向隧道内渗漏,引起山体泉水干涸,对其周边地区生态环境产生影响。
During the tunnel digging, crevice water seeped into the tunnel and resulted in the dry-up of the springs, thus affecting the ecological environment of the mountain region.
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