rock excavation 中文意思是什麼

rock excavation 解釋
採石工程
  • rock : n 1 巖,巖石,磐石,巖壁;卵石;〈常 pl 〉〈美口〉石子兒;暗礁,巖礁。2 〈the R 〉直布羅陀 (Gibr...
  • excavation : n. 1. 開鑿;發掘;挖掘;挖土,剜通。2. 穴,洞;坑道,開鑿成的山路。3. 【考古】出土文物,發掘物。
  1. In addition, this paper carry out successfully the support design practice in the preceding excavation of 4km long exploratory tunnel. according to the thesis research results, the following conclusion can be drawn. if the grouting rock can possess sound anti - seepage capability and the liner structure can hold higher hydraulic permeability relatively, and if the adjoining rock can be made as primary load - bearing structure by construction measure, the stability of country rock and the safety of liner structure will be guaranteed

    計算結果表明,如果能使錦屏工程引水隧洞灌漿圈圍巖具有較好的防滲性能,將高外水壓力控制在灌漿圈以外,再配合透水性相對較好的支護結構以及排水措施,使灌漿圈圍巖成為主要承載結構,並使襯砌結構和灌漿圈共同承載,是可以保證圍巖的穩定和支護結構安全的。
  2. This thesis tries to solve the problems in the design and construction of jinping cascade 2 hydropower station. a typical section is selected to analysis seepage, seepage control and fem numerical simulation. the influence of different plans of excavation and support on seepage field of subsurface water and stability of adjoining rock are studied. the homologous support pattern is suggested according to the research results

    本文就錦屏二級水電站(一期)深埋長隧洞的設計和施工中面臨的一些問題,選取隧洞的一個典型斷面進行滲流、滲控分析和開挖及支護的有限元數值模擬,從而就深埋隧洞不同的開挖及支護方式對地下水滲流場及圍巖穩定性的影響和所應採取的支護措施等方面進行了探索、研究。
  3. Due to exceedingly flat arched vault of the flat tunnel with outsized span and renewed stress allocation in surrounding rock after excavation, which would inevitably induce some excessively large load on the base of arch, therefore, larger load - bearing capability in the is " foundation is a must. on the other hand, smooth face explosion must be applied to excavation of the arch base to further ensure the integrity and continuity of country rock around tunnel

    特大跨超淺埋隧道拱部結構過于扁平,開挖后發生二次應力分佈,拱腳處的應力過大,要求有較大的地基承載力,拱腳開挖時必須採用光面爆破,保證圍巖的完整性和不受擾動,開挖后及時封閉,防止該處積水軟化圍巖。
  4. In this paper, the finite - element numerical analysis calculation is applied to the foundation of high - rise and multi - floor building and the evolvement law of stress and displacement of tunnel used by urban traffic to explore the mutual influence between the wall rock of underground space and high - rise building foundation, taking account of the specific construction situation in the " sanmu garden " project in dadukou district in chongqing, from the perspective of underground space static - force structure stability analysis to open a underground tunnel with 6m in span and 7. 5m in height for track traffic 20m below the surface. this paper, taking considerations of three different states, i. e. the natural state without any artificial interference, the state of high - rise buildings on the surface, and the underground tunnel state with excavation for track traffic, and four plane lines and four vertical lines, analyzes and studies the distributing law of stress and displacement of calculation section from the following aspects : ( 1 ) the main stress vectorgraph, displacement distribution graph ( ux, uy ) and chromatogram graph of stress isoline ( 1, 2, xy ) of section under different states ; ( 2 ) the contrastive distribution curve of stress ( 1, 2, xy ) of different plane and vertical lines under the same state ; ( 3 ) the contrastive distribution curve of stress ( 1, 2, xy ) of the same plane and vertical lines under different states, wishing to provide references for underground space utilization and project designing and construction of the tunnel under high - rise buildings in the future

    本文結合重慶市大渡口區「三木花園」開發建設項目,從地下空間靜力結構穩定性分析角度出發,針對在該項目中涉及的高層和多層建築物以及在其地下20米處開挖了一個用於軌道交通的跨度6米,高7 . 5米的地下隧道這一具體工程情況,採用2d - 3d -有限元結構分析程序對高層與多層建築物的地基基礎及其與城市軌道交通使用的地下隧道圍巖的應力與位移演變規律進行了有限元數值分析計算,探索了地下空間圍巖與高層或多層建築物地基基礎之間的相互影響,通過考慮未受到任何人為擾動影響的天然狀態、地表存在多層或高層建築物狀態和地下開挖用於軌道交通的地下隧道狀態等三種不同狀態以及4個水平剖線和4個垂直剖線等不同情況,從以下幾個方面具體分析研究了計算斷面的應力與位移分佈規律: ( 1 )在各種不同狀態下計算斷面的主應力矢量圖、位移分布圖( ux 、 uy )以及應力等值線色譜圖( _ 1 、 _ 2 、 _ ( xy ) )等; ( 2 )相同狀態下不同水平與垂直剖線的應力_ 1 、 _ 2和_ ( xy )對比分佈曲線; ( 3 )不同狀態下相同水平或垂直剖線的應力_ 1 、 _ 2和_ ( xy )的對比分佈曲線等,為今後在對地下空間的開發利用以及在高層建築物地下開挖硐室時的工程設計和工程施工提供參考依據。
  5. Study on blasting mechanism and its engineering use of spiral cutting with big empty hole in rock under - excavation

    巖石工程大空孔螺旋掏槽爆破機理研究及應用
  6. Relating closely to the main problem of the high sidewall and wide span underground cavities excavation stability of xiluodu hydroelectric project, the evolution characters of geo - stress field in deep - cutting gorge and the whole features of the stress field, strain field and plastic failure zone around the underground chambers after excavation are studied systematically in the dissertation, based on a great deal of data gathered in field investigation and taking the flac3d v2. 0 software as basic computation tools. meanwhile, in the course of research, the new methods of dynamic numerical simulation are summarized and applied. furthermore, the effects of rock mass qualities, initial geo - stress field and excavation procedure on surrounding rock mass stability are discussed

    本文緊密結合溪洛渡水電工程大跨度、高邊墻復雜地下廠房洞室群,施工開挖過程中和開挖后圍巖穩定性研究這一重大課題,在詳盡的野外地質調查工作和對大量基礎地質資料的整理與分析基礎上,以目前國際工程地質界公認的最新通用軟體flac ~ ( 3d ) 2 . 0版作為基本計算工具,從整個壩區地應力場的研究開始,通過動態數值模擬分析這一新的模擬思路,系統地研究了深切峽谷區地應力場多階段的特徵和演變規律,進而對左、右岸地下廠房洞室群開挖全過程中圍巖應力場、變形場和塑性破壞區的變化特徵,進行了全過程動態數值模擬研究,並詳細討論了圍巖質量、初始地應力場、施工開挖順序對大型地下洞室群圍巖穩定性的影響。
  7. Drill and blast method of tunnel excavation on hard rock

    硬巖地鐵隧道鉆爆法開挖結合盾構法襯砌的施工技術
  8. Many cases of excavation and support of high rock slopes were symtematically analyzed, and some conclusions were drawn. there exists stress concentration in grading angle induced by excavation and obvious change of stress and strain on sloping surface, which reduce as the increase of distance to surface. initial stresses have important influence on excavation and support

    撇面上的應力應變的靴很大,隨著離坡面距離的增加而減小;初始地應力對邊坡的開挖支護產生很大的影響,隨著初始地應力的增加,開挖坡面回彈位移增大。
  9. Tensile stress field would appear in the proximity of arched vault after excavation, slacking of surrounding rock and subsequent dropping of blocks of rock from such area would possibly occur at any time in the context of extra - shallow depth. so i - steel arched support must be erected to provide against possible block dropping and be integrated into a ring with that of pilot tunnels on both sides

    拱頂在核心土開挖后,在一定范圍內出現拉應力區,在超淺埋情況下極容易掉塊和發生圍巖松馳,因此核心土必須邊開挖邊架設工字鋼拱架,使之與左右導洞拱頂工字鋼形成整體。
  10. 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。
  11. The actual uncovered rock conditions after the excavation show that a series of the optimal designs are correct

    對晚秋初冬趾板混凝土採取有效的養護保溫措施和施工質量控制,減少了混凝土裂縫發生的可能性。
  12. Rock foundation excavation of fenhe erku project in shanxi province

    山西省汾河二庫大壩樞紐工程岸坡及基礎巖石開挖
  13. Excavation disturbed zone of deep cutting rock slopes and mechanics behaviour of engineering rock mass

    深挖巖質邊坡開挖擾動區與工程巖體力學性狀研究
  14. The geologic condition in mountainous district is complex variable, in different geologic, it is very difficult to find the most economically design scheme. stability of 14 high - cut slopes in guangdong province is analyzed with typical rock mass structure analysis method and stereographic projection method, and with the numerical simulation method udec this paper simulated the excavation and reinforcement courses of the important slopes. some conclutions and suggestions are based the analysis above

    本文結合廣東某省道沿線14個高陡巖石邊坡的開挖和支護方案的選擇設計,運用常用的巖體結構分析方法和赤平投影方法對邊坡的穩定性進行了分析,採用udec數值模擬方法對一些重點邊坡的開挖支護進行了模擬,得出了以下一些結論: 1 、邊坡支護形式的選擇應遵循「安全綠色、水土保持、恢復自然、環保之路」的設計原則。
  15. While the expertise of the reprographic section of the office is utilised by many government departments to meet their specific requirements, the photogrammetric and air survey section also supplies large scale mapping for engineering and development purposes, processes earthworks and rock excavation quantity calculations and provides much of the information for updating the basic maps of the territory

    政府不少部門均曾藉助該處攝制組的專門技術,配合他們的工作。該處的航空及攝影測量組則負責繪制大比例地圖,供工程及發展時使用,又或用作處理土方、計算掘石量。同時也為修訂香港基本地圖的工作,提供不少資料。
  16. Numerical analysis of the supports of soft rock excavation

    軟巖巷道開挖支護數值分析
  17. Discussion on safety evaluation of vibration effect by rock excavation blasting

    巖土開挖爆破震動效應安全判據的探討
  18. Combining longshou waterpower station project the mechanism of rock excavation explosion and production test method are studied more completely

    本文結合龍首水電站工程,較全面地研究了巖石開挖爆破的機理及生產試驗的方法。
  19. Confirm the legality of excavation with the local issuing authorities of rock excavation permits and export licences and require the verification of such permits and licences by local notaries public ; and

    與簽發石料挖掘證及出口證的當地政府人員確認石料挖掘的合法性,並需得到當地公證人認證挖掘證及出口證的真實性;及
  20. The effect of blast quake, the rule of slope failure and the controlling technique were made up as a whole in this paper to research. the main research foucs on : first, investigation of in site engineering geology and hydrological geology ; second, blast design and in site measurement : on the basis of the first stage work, considering special rock condition, blast design, blast test and measurement in site were made in the same time. the propagation rule of blast wave in the process of rock excavation, blast quake space and the effect of blast on rock slope were studyed

    本論文將開挖爆破震動效應和邊坡巖體火穩破壞規律及其控制技術作為一個整體進行研究,主要研究內容包括:現場工程地質水文地質調查研究;爆破方案設計和現場測試:在現場工程地質水文地質調查研究基礎上,結合特定條件下的巖石條件進行爆破方案設計,同時進行現場爆破試驗和監測,研究路塹開挖過程中爆破產生的地震波傳播規律、爆破振動場及爆破對巖質邊坡的影響。
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