The stability of a underground chamber is closely related to the seepage stability of rock masses concerned.
岩体的渗透稳定性关系到地下洞室围岩体的稳定性。
During the excavation of underground chamber in the soft rock, lining thickness are increased to keep the stability of surrounding rock.
在软弱岩体中进行地下洞室开挖时，通常采用加大衬砌厚度来维持围岩的稳定。
A limestone slab is lifted from the underground chamber containing the second known solar boat at the foot of Egypt's Great Pyramid on Thursday.
周四，在埃及大金字塔下一块石灰岩石板从包含第二艘已知太阳船的地下室取出来。
Now, the Indian SpaceResearch Organization has discovered a "giant underground chamber" near the Moon's equator, in the OceanusProcellarumarea.
现在，印度太空研究组织发现了靠近月球赤道有一个“巨大的地底空间”，在俄刻阿诺斯procellarum区域。
Therefore, it is thought that the seepage behavior of rock masses surrounding the underground chamber can be reflected really by carrying out HPPT.
因而认为，进行高压渗透试验，可以更为真实地反映深埋地下洞室围岩体的渗流状态。
The blasting vibration of an underground chamber is observed, analyzed and interpreted. The experience formula of decay for the blasting earthquake wave is obtained.
对某水电站地下洞室爆破振动进行观测、分析和处理，得到了爆破地震波传播衰减经验公式。
Based on analytical method of construction mechanics, the simulative computational FEM formulations about multi-stage excavation of underground chamber are prescribed.
基于施工力学的分析方法，建立了地下洞室分期开挖仿真计算的有限元列式。
And according to the relation between rock occurrence of the underground chamber and geometrical boundary of excavation, the paper gave the method to positioning breakage.
并根据洞室围岩产状与开挖几何边界的关系，提出围岩易破坏点的位置确定方法。
The invention relates to a wall rock support method for an extremely strong or a strong or a moderate rock burst tunnel section that is deeply buried in an underground chamber.
本发明涉及一种深埋地下洞室极强或强或中等岩爆洞段的围岩支护方法。
The underground chamber remained a secret for nearly 1, 600 years, until an archaeologist noticed rectangular patches of soft clay in the pyramid's floor—a telltale sign of a grave.
这地下墓室的秘密尘封了近1600年之久，直到一位考古学家发现了在塔内地面上的矩形软土——它泄露了墓穴的秘密。
Mohammed takes me to a farm across the road, where he and his neighbor lift a stone slab to reveal an earthen chamber six feet deep and wide: an emergency underground food store.
默罕默德带我来到路对面的一个农场，在这儿，他和他邻居抬起一块石板，露出了一个泥做的6英尺见方的地下室，这是一个紧急地下食物仓库。
Perhaps inspired by the nuclear-fallout shelters of the ‘50s and ‘60s, Bill Bounds stands at the entrance to his underground smog-alert chamber in the L.A. suburb of Manhattan Beach in 1971.
或许是受到了1950、60年代的核微粒遮蔽所的启发，比尔·庞斯（BillBounds）站在他在曼哈顿海滩洛杉矶郊区自建的烟雾报警室的入口。 时间为1971年。
The excavation technology and design parameters of a polit chamber blasting of underground drainage system in Xiaowan power station are introduced.
介绍了小湾电站右岸地下排水系统的小洞室开挖爆破技术和设计参数。
It has provided a new way to prevent dust pollution problem at some fixed dust sources such as in main pass, underground crushing chamber and on surface.
该项研究为防止矿山井下主溜井、破碎硐室等以及地表产尘量较大的固定尘源污染问题提供了新途径。
Imagine the condition of men living in a sort of cavernous chamber underground, with an entrance open to the light and a long passage all down the cave.
想象人们住在一个地下洞穴之中的情形，一个出口通向光明，一条漫长的通道引向洞内。
The selection of combustion-chamber types of diesel-engines for underground mines is closely related to the performance of the engines themselves.
地下矿用柴油机的燃烧室型式与其主要性能有密切的关系。本文从废气排放、使用经济性以及噪音等方面对比了两类柴油机的优劣。
The selection of combustion-chamber types of diesel-engines for underground mines is closely related to the performance of the engines themselves.
地下矿用柴油机的燃烧室型式与其主要性能有密切的关系。本文从废气排放、使用经济性以及噪音等方面对比了两类柴油机的优劣。
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