rock arch 中文意思是什麼
rock arch
解釋
石拱-
When you come riding shinto rock basilica, will feel the immediate reforms, black streams at the foot of remote contingency, left alone in front of miles - rock blast surrounding rock, right in front of the soaring rock - wing chui days, the public is the front - tianzhufeng arch supporters, was full of castle peak, fog enveloped, lin qiong court palace, dan greenfield wall tile, people instantly durian for cents feeling
當您踏神道走過南巖大殿，會覺眼前豁然開朗，腳下黑虎澗幽深不測，左前方獨陽巖萬丈削壁，右前方飛升巖飛翼垂天，正前方天柱峰眾山拱擁，滿目青山，雲霧繚繞，琳宮瓊閣，丹墻翠瓦，讓人頓生飄飄欲仙之感。 -
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。 -
Thrust block may bridge the space between the termination of the arch and the foundation rock at the same elevation.
推力墩可以跨在拱腳和同高程的基巖之間。 -
With the increase of lateral pressure modulus, the magnitude of principal stress decreases and the direction of it is hardly changeable ; with the increase of the angle between the direction of the maximal horizontal principal stress on magnitude and the fault bearing, the magnitude of principal stress increase and its direction can hardly change ; with the increase of the elastic modulus of rocks, the magnitude of principal stress increases and the direction changes more ; with the increase of pr, the magnitude of principal stress decreases and the direction changes more ; with the increase of lateral pressure modulus, the principal stress at hance, the tress at topmost arch, bottom arch and principal stress at lateral arch decreases, with the increase of the depth of tunnel, the stress of surrounding rock also increases, and the poorer the quality of surrounding rock is, the little its principle stress is
分析得出，隨著側壓力系數的增大，主應力量值減小，主應力方位難改變；隨著與斷層走向的夾角增大，主應力量值增大，應力方向難改變：隨著巖石的彈性模量的增大，主應力量值增大，方向變化越大；隨著泊松比的增大，主應力量值減小，方位變化越大。隨著側壓力系數的增大，頂、底拱處的各應力值增大，拱腰處的主應力減小，剪應力增大，側拱處的各主應力減小，同一側壓力系數的條件下圍巖質量越差，各應力值也越小；隨著洞室埋深的增加，圍巖壓力也增大，圍巖質量越差，其應力值也減小。 -
Some primary researches are given in this paper, combined with the project - stability evaluation of concrete high arch dam of tengzigou, which is cooperated between hydraulic structure center of hohai university and dongbei hydroelectric investigation & design ltd. considering actual research work and specification, either concrete strength limit analysis of dam or shear failure of seams in rock abutments are taken singly into account for safety evaluation of high arch dam
本文就這個問題，結合河海大學水工結構所和水利部東北勘測設計研究有限責任公司的合作項目?藤子溝水電站雙曲拱壩整體穩定性分析，在這方面做了一些初步研究。現行規范將壩體混凝土強度校核和壩肩穩定安全度評價分開進行，沒有考慮兩者的關聯性，然而這兩類破壞常常是相互聯系，伴隨發生的。 -
Finally, the thesis primarily sets up the internal force model of the supporting structure system in the bi - arch tunnel, namely, the distribution model of the surrounding rock ' s pressure, the internal force model of the steel framework and the axial force model of the anchor bolt, and these results can have the guiding significance to the design and construction of the similar tunnel engineering
最後，結合有限元的理論計算及現場實測數據的分析，初步建立了雙連拱隧道支護結構體系的內力模型，即：圍巖土壓力模型、初期支護鋼拱架內力（主要為軸力和彎矩）模型以及錨桿軸力模型。充分理解和闡述了構件的工作狀態，對今後類似隧道工程的設計和施工具有一定的指導意義。 -
Arch dam, which is fastened to the base rock, is a high _ order, hyperstatic, spacial body case structure. it has not only arch function but also girder function, but its main loads are passed to each dam abutment by means of arch function
拱壩是固結于基巖的高次超靜定空間殼體結構，既有拱作用又有梁作用，其主要荷載是通過拱的作用傳到兩岸壩肩。 -
Arches national park preserves over 2, 000 natural sandstone arches, like the world - famous delicate arch, as well as many other unusual rock formations
繼往梅莎爾地國家公園，參觀千年前北美洲原住民村落，令人稱奇。下午前往拱門國家公園，觀賞拱門奇景。 -
Based on the analysis of the stress distribution law in different districts around the self - closed and full - connected arch walling support roadway, the relationship among the limit equilibrium radius and the in - situ rock stress, the physico - mechanical properties and support parameters is obtained. the calculation formula of arch walling width design is put forward so as to provide a theoretical basis for the practical design of support
在分析自封閉全接觸碹體支護巷硐周圍不同區域應力分佈規律的基礎上，得出了圍巖極限平衡區半徑同巷硐所處的原巖應力，圍巖本身的物理力學性質及碹體支護參數間的相互關系，提出了設計碹體厚度的計算公式，為實際進行支護設計提供了理論依據。 -
The construction technology of twin - arch tunnel under the condition of large span, low - burying and soft surrounding rock is fully discussed and deeply studied in engineering analogy methed in the paper. with the study subject of huangmeishan tunnel of maanshan - wuhu expressway
本論文以黃梅山隧道為研究對象，採用工程類比方法，系統對大跨、淺埋、軟弱圍巖條件下的雙連拱隧道施工技術進行了全面的探討和深入研究。 -
Concerning the construction of the shallow cover and the special shallow cover in the tunnel under the special geology conditions, the principle of " to stabilize the slopes with protecting arch ; to strengthen the earth with the pipe - shield support grouting ; to dig a hole shallowly ; to blast slightly ; to use strong supporting structure. " has been adopted to enter the tunnel safely ; in terms of the broken belt, the effective actions such as the pipe - shield support grouting, strengthening the surrounding rock in advance with advanced bolt and steel grids, and so on, are taken to pass the poor conditioned part smoothly
對于特殊地質中的淺理、特淺埋進洞的施工，堅持「護拱穩定邊仰坡，大管棚注漿加固土體，淺打眼、弱爆破、強支護」的原則，做到安全進洞；對于斷層破碎帶，則採取了管棚注漿，超前錨桿預先加固圍巖並結合鋼格柵支撐等有力措施，順利通過了不良地段。 -
The treatment for deformation of the surrounding rock in yanggan continuous arch tunnel
楊干連拱隧道圍巖變形治理技術 -
In order to furtherly study the petroleum accumulation law, this paper, based on the tectonic evolution, started from main hydrocarbon generation periods of the main resource rock, analysed petroleum generation, migration, accumulation, adjustment and dynamic accumulation process. according to area structural characteristic, bachu - markit was divided into the three sub - structure unit, that is, east part of bachu arch, west part of bachu arch and markit slope and established accumulation model of each part
為了更深入的分析油氣聚集規律，本論文從主力烴源巖的主生油期出發，避開細枝末節，以區域構造演化為線索，分析油氣生成，運移，聚集，破壞調整，再次運聚成藏的動態過程。根據巴楚?麥蓋提地區的區域構造特點，將該區分為三個次級構造單元，即巴楚隆起西段、巴楚隆起東段、麥蓋提斜坡，分別建立了成藏模式。 -
Site monitoring and analysis reseach on surrounding rock deformation of a biased double - arch tunnel
偏壓連拱隧道圍巖變形的現場監測與分析研究 -
In this paper the different middle wall ' s mechanical behavior on different rock mass has been simulated by establishing the three - dimensional finite - element model of the shallow double - linked - arch tunnel, and the basic loading law of the middle wall is obtained, then the proper form of middle wall under different rock mass during constructing the shallow double - linked - arch tunnel is given, which offers foundation for the design of middle wall in double - linked - arch tunnel
通過建立雙連拱隧道的三維有限元模型，模擬了不同圍巖級別條件下淺埋雙連拱隧道不同中墻形式的力學行為，得出了中墻的基本受力規律，提出了不同圍巖級別條件下修建淺埋雙連拱隧道所採用的合理中墻形式，為雙連拱隧道的中墻設計提供依據。 -
Thus, two 2d elastic finite - element models of tunnel are respectively established, both of which go through i wall - rock sector and wall - rock sector by means of large - scale finite element software ansys. thereby, the magnitude of wall stress, displacement, submergence of arch roof and terrestrial sedimentation in tunnels will be attained via numerical simulation of the whole construction process
通過運用大型通用有限元軟體ansys ，分別建立隧道穿越類圍巖地段和類圍巖地段的兩個二維彈塑性有限元模型，進行施工全過程的數值模擬，得到隧道中墻應力和位移以及拱頂下沉和地表沉降值。 -
Their aim has always been to give people a knowledge about the asturian celtic folk music in different ways : from a more traditional perspective, to a folk and even folk - rock point of view. the group always shows its celtic spirit by offering music from the eight official atlantic celtic arch countries : ireland, scotland, the isle of man, wales, cornwall, brittany, asturies and galicia
這個組合演奏的多是來自於8個主要的官方擬定的凱爾特民族所在國[包括愛爾蘭，蘇格蘭，馬恩島（英國西北海岸的愛爾蘭海域，英國屬地，面積221平方英里，首都道格拉斯，人口6 . 5w ） ，威爾士，康沃爾（英格蘭某郡） ，布列塔尼半島（法國西北一地區） ，阿斯圖里亞斯地區，加里西亞省（西班牙西北部） ]的音樂，藉此展現凱爾特精神。 -
When there is original stage support only, the load ratio of surrounding rock gets more and more bigger with the increasing of crust stress, correspondingly, the load ratio of initial stage support gets smaller. when the initial stage support and the second support act each other, the load ratio of surrounding rock is more than fifty percent, and it has little change with the increasing of crust stress. the whole analysis of the surrounding rock and support shows that the bottom arch of liner and the feet of liner have serious stress concentration, so do the sidewalls and the foot of a wall of the surrounding rock
通過屈曲理論分析結果對比表明，彈性屈曲和突變失穩分析的結果比非線性屈曲分析的結果要大得多，非線性分析由於考慮了材料非線性和幾何非線性，因而結果與實際接近實際；當只有初期支護時，隨著地應力的增加，圍巖的荷載分擔率增大，相應地，初期支護的荷載分擔率就減小了；當有初期支護和二次襯砌共同作用時，圍巖的荷載分擔率在50以上，這一分擔率隨地應力的增加其變化不大；支護和巖體的整體分析表明，襯砌底拱及拱腳處應力集中嚴重，隧道巖體側墻及墻角圍巖的應力集中也較大。 -
Rock bolting design based on theories of self - stabilized hidden arch
基於自穩隱形拱原理的錨桿支護設計 -
I ts d am height i s 2 87m, equipped capacitor 12000mw and permian emei mountain basalt is the main strata in dam site. field investigations show that there are discontinuities such as interlayer shearing belts, instrastratal shearing belts, faults and base crack. the discontinuities control the stability of rock mass against high arch dam shoulders anti - sliding stability which is the main engineering geological problems in dam site
壩區地層主要為二疊系峨眉山玄武巖，調查表明，玄武巖中存在由緩傾角的層間、層內錯動帶和斷層、裂隙構成的巖體結構體系，對壩區的主要工程地質問題，尤其壩肩抗力體的抗滑穩定性具有重要的控製作用。
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