拱頂地下室 的英文怎麼說
中文拼音 [gǒngdǐngdexiàshì]
拱頂地下室
英文
vault-
All the results can be utilized by engineers, during the designing and construction. the main conclusions are listed as follows : ( 1 ) based on the shortest line between weak interbed and limit of excavation and the location of point of intersection between limit of excavation, classification of weak interbed distribution is set up, and the distance of distribution is defined ; ( 2 ) according to the strength and deformation equivalent principle, influence zone of weak interbed is introduced, and a new method to simulating the weak interbed with thickness is built ; ( 3 ) some quantificational results on influence of weak interbed respectively at crown, right shoulder and right wall are summarized ; ( 4 ) some quantificational results on influence of weak interbed with the distance between weak interbed and limit of excavation 0. 2d, 0. 5d, l. od are gained ; ( 5 ) some quantificational results on influence of weak interbed in the rock mass with confining coefficient 0. 38, 1. 0, 1. 5, 2. 0, 3. 0 are summed up ; ( 6 ) some quantificational results are summarized on influence of the underground surrounding rock mass stability with weak interbed, in the representational surrounding rock mass graded ii, iii, iv ; ( 7 ) according to the studying results some advices are suggested on designing of underground engineering
主要結論如下： （ 1 ）以軟弱夾層到開挖輪廓線最短距離和最短距離線與開挖輪廓線的交點位置為指標對軟弱夾層的分佈部進行了分類，並確定了軟弱夾層分佈距離； （ 2 ）根據強度等效和變形等效的原則，引入了軟弱夾層影響帶的概念，建立了模擬軟弱夾層厚度的一種新方法； （ 3 ）總結出了軟弱夾層分佈在拱頂、右拱肩、右邊墻時對地下洞室穩定性影響的量化指標； （ 4 ）分析出了軟弱夾層距開挖輪廓線0 . 2d 、 0 . 5d 、 1 . 0d三種情況對地下洞室穩定性影響的量化指標； （ 5 ）總結出了在不同的側壓力系數（ 0 . 38 、 1 . 0 、 1 . 5 、 2 . 0 、 3 . 0 ）地應力場中軟弱夾層對穩定性影響的量化指標； （ 6 ）得出了在、 、代表性圍巖中軟弱夾層對穩定性影響量化結果； （ 7 ）根據數值試驗成果提出了在有軟弱夾層圍巖中地下洞室設計原則的幾點新內容。And the main contents of this dissertation are : ( 1 ) the engineering geological features of discontinuities in surrounding rock mass were analyzed on the basis of field geological survey and the preferred orientation of the main discontinuities were derived. then the displaceable blocks distributing on the roof and sidewalls of main chamber were searched out taking the intersecting relationship of discontinuities into consideration. then the failure mode and the coefficient of stability of the displaceable blocks were studied respectively
主要內容包括：在野外地質調查基礎上，通過統計分析得到地下廠區結構面的優勢方位；對結構面工程地質特性進行了分析；根據結構面的空間組合關系，搜索出可能在主廠房洞室的頂拱和邊墻部位出露的塊體，並分析了各塊體的可能滑移方式及其穩定性系數。The studying results show that three types of surrounding rockmass pressure were put out, they are tension collapse, extrusion press slide types and gravity fall surrounding rockmass pressure, and then calculating formula have been discussed
研究認為，低地應力區地下洞室圍巖壓力可分為拱頂橫向拉張塌落型、側壁切向擠壓滑落型和洞周自重掉落石塊型三種破壞類型產生的圍巖壓力，並討論了低地應力區地下洞室圍巖壓力的計算公式。
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