ground surface effect 中文意思是什麼
ground surface effect
解釋
地表面效應-
Wing - in - surface effect crafts belong to a class of transport vehicles, which make use of the ground effect to fly
地效飛機是一種主要利用地面效應提供支承力而飛行的運載工具。 -
Abstract : wing - in - surface effect crafts belong to a class of transport vehicles, which make use of the ground effect to fly
文摘:地效飛機是一種主要利用地面效應提供支承力而飛行的運載工具。 -
Within the field of ground effect, aerodynamic forces of the wing - in - surface effect crafts are not only decided by the angle of attack, but also by the flying height, and they lead to more complicated stability problems
在地效作用區域內，地效飛機的氣動力不僅與迎角有關，而且與飛行高度有關，因而其飛行穩定性問題更為復雜。 -
The other effect brings about by coat on a large scale is discussed preliminary which including increasing the " hot island effect " of cities ; increasing the hydrous of the roads after rain and increasing the sinkage of ground surface in the city
同時初步探討用水泥以及瀝青大規模地覆蓋土壤所造成的其他影響，這些影響包括加重了城市的「熱島效應」 、加重了城市由於雨後道路積水所導致的交通堵塞、加重了城市地面的沉降。 -
Because almost all the ore in the surface of ground and in the shallow stratum has been found, the increase of resources should be concentrated on deep stratum and outer of the mine enterprise. but only depended on the normal geological methods and regulations, the effect is not good. so we must introduce new geological theories and methods
由於地表礦、淺層礦都已枯竭，增儲的重點應集中在礦山深部和外圍找礦上；僅僅依靠常規地質方法和手段，很難取得理想的效果，因此必須引入新的地質理論和新的找礦方法。 -
Through field investigation and analysis indoor, with studying all hydrochemistry data in detail, including macro components and micro components, the author finds out the hydrochemistry feature of ground water. for further specifying the ground water system, with cluster analysis of macro components of surface water and ground water in total 147 samples and the analysis of micro components, including ree, the main ground water systems are distinguished by and large, especially the ground water system main of fault no. 7 and fault no. 15 water bearing belts which have differences at macro and micro components between the two ground water systems, moreover, the main hydrogeochemistry effects are established such as lixiviation, oxidization, precipitation and mixing effect, especially the mixing effect which result in the complexit y of the hydrochemistry of deep bearing tectonic fracture water. based on them, the hydro geological model of upper dam base is established, meanwhile the author summarizes the hydrochemistry feature of weathering crevice water, surface tectonic crevice water and deep tectonic crevice water
為此，本文以大崗山壩區水文地球化學問題為研究對象，通過野外調查和室內分析，詳細的研究了壩區水化學資料，包括宏量組分、微量組分，查明了壩區地下水水化學特徵，對採集的147個地表及地下水樣的宏量組分進行聚類分析，結合微量元素，稀土元素的研究，並應用二氧化硅地熱溫標確定了深部構造裂隙水的熱源深度，基本區分了壩區各個主要地下水水系，特別是以f7 、 f15斷裂含水帶為主的地下水系，它們的宏量組分、微量組分以及稀土等方面均存在差異，以此為基礎，結合壩區水文地質條件，建立了壩區的上壩址的水文地質模型，同時通過分析了壩區花崗巖區的水化學資料，確立了壩區主要的水文地球化學作用，分別為：溶濾作用、氧化作用、沉澱作用、以及混合作用，混合作用是導致深部承壓裂隙水水化學復雜的主要原因，並總結了壩區風化裂隙水、淺部構造裂隙水、深部構造裂隙水的水化學特徵。 -
Numerical examples, two cavities case, are provided to show the effect of wave number, distance between the centers of the cavities and the ground surface and distance between the centers of the cavities upon the dynamic stress concentration around the cavities edge and ground motion impacted by incident steady sh - wave
通過具體算例，討論了與界面等距離的相鄰二個圓孔對sh波的散射，給出了數值結果，並討論了波數與圓孔至邊界距離和二圓孔中心距離變化對動應力集中和地面運動的影響。 -
The obtained results indicate that compared with the clay layer, the liquefied sand layer takes a decreasing effects on the short period component of the surface ground motion and the effects increase with increasing of the thickness 、 depth and width of the liquefied sand layer ; the liquefied sand layer takes a increasing effects on the long period component of the surface ground motion but the effect is not obviously ; to the input earthquake wave, the demarcation point of strengthens and weaken is about 0. 6s
主要結論為:和同樣的粘土層相比，液化層的存在對地表上地震動的短周期分量主要起減弱作用，且減震效果隨著液化層埋深、厚度的增加而變強;對長周期分量主要起加強作用，但是效果不太明顯;對所輸入的地震波來說加強減弱的分界點所對應周期為0 . 6s左右。 -
Research on effect factors of superfine and surface modification of ground calcium carbonate
活性超細重鈣濕法研磨改性生產工藝 -
Construction of flat tunnel of large span at extra - shallow depth must be conducted on the principle that advance grouting should be strictly performed before excavation and length of pull at one time should be short, together with reinforced support, immediate closing and constant monitoring and surveying. that preceding pilot tunnels, large - volume excavation divided into small ones, excavation of flank before that of center, upper before lower, arch before wall etc is a good method which could effectively reduce surface subsidence and its adverse effect on adjacent buildings, in addition, some other measures are also taken to lessen blast - induced vibration in the ground and surrounding structures. in a word, all means and steps mentioned above have already proved effective and practicable in practice
軟弱大跨超淺埋扁平隧道必須按「管超前，嚴注漿，多分部、短開挖、強支護、快封閉，勤量測」的施工原則進行施工，採用「眼鏡超前，化大為小，先側后中，先上後下，先拱后墻」的施工方法控制地表沉降和對周邊建築物的影響；採用「多分部，化大為小，短進尺，密布眼，弱裝藥，設減振槽」 ，控制爆破振動，經過實踐證明，這些方法都是行之有效的。 -
The thesis introduces the biot ' s three - dimension consolidation theory based on absolute linear - elastic theory ; the thesis designs the pit dewatering scheme of hand - dug piles support of shenyang subway ' s shenyang station construction ; the thesis uses finite element program to simulate the influence on around environments caused by pit dewatering, and finds the change laws of earth mass inner stress and the effect parameters on the surface deformation on the basis of reasonable hypothesis and the analysis of ground water exploitation progress. combined with stochastic medium theory, the thesis introduces dewatering subsidence coefficient, sets up the predicting model of the surface deformation caused by dewatering, and develops the computing program ; by application of program on a single well of underwater exploitation, it is proved that the program is feasible, so the prediction of the surface deformation caused by underwater exploitation is realized
本文介紹了基於線彈性本構關系的biot理論；設計了擬建沈陽地鐵沈陽站點人工挖孔樁支護施工的基坑降水方案；利用有限元程序，模擬了基坑降水對周圍環境的影響；在合理假設的基礎上，分析了地下水開采過程中，地層應力的變化規律，找到了影響地面變形的參數；與隨機介質理論相結合，通過引入采水下沉系數建立了地下水開采引起地面變形的預計計算模型，並編制了電算化程序；通過某單井開采實例驗證了該方法的可行性，實現了地下水開采引起地面變形的預計。 -
The paper discusses the employing condition, mechanical principle, reinforce effect, economic guideline and construction requirements of various auxiliary construction methods in surface ground and inside tunnel, then summarizes the design parameters of these methods and illuminates how to choose them
論文討論了在隧道洞口段進行地表加固和洞內加固的各種輔助工法，對這些工法的適用條件、力學原理、加固效果、經濟指標和具體施工要求等進行了論述，總結出了各種輔助工法的設計參數。
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