surface collapse 中文意思是什麼
surface collapse
解釋
地面塌陷-
An improved mode of coal cutting is recommended aiming at the specifical status of surface collapse of coal field in yanzhou city, and several control policies on restoration and reclamation of collapsing land are also put forward
針對兗州礦區的具體塌陷狀況提出了改進採煤方式、對塌陷土地進行恢復和復墾等幾點防治措施。 -
Abstract : the colour, collapse phenomenon and chemical component of the friction surface of powder metallurgy airplane brake materials with different base are studied in this paper
文摘:在不同的摩擦速度下，考察了鐵基、鐵銅基及銅基粉末冶金航空剎車材料摩擦面的變化情況。 -
The geological conditions are very complicated in hejiazhai tunnel which is located in guizhou shuibo railway, this tunnel is named " mashed tunnel " with the most difficult geological conditions such as the high dense gas and developed karst and gushing water assembled together, the geological hazards like the gushing water and sand, the collapse of tunnel, surface subsidence and slide, cracking of tunnel lining were often happened during construction period
摘要貴州水柏鐵路何家寨隧道，工程地質條件極其復雜，集「高瓦斯、強巖溶、大涌水」為一體，施工期間曾發生多次涌水涌砂、洞內坍方、地表塌陷與滑坡、支護襯砌開裂變形等地質災害，堪稱水柏鐵路施工難度最大的「爛洞子」 。 -
Under pulse condition, charging and discharging of surface states between gate and drain induce gan hemt current collapse
脈沖條件下， ganhemt電流崩塌效應主要由柵漏之間表面態充放電引起。 -
Discussion on treatment of surface collapse and ecological destruction in coal mine
煤礦地表塌陷生態破壞的治理探討 -
On the basis of zakharov equations in frame of strong turbulence, it is shown that langmuir waves excited by transverse pumping plasmons near critical surface may collapse, leading to the formation of density cavity due to ponderomotive force
從圖像中可看出，激光與等離子體的相互作用導致橫波與朗繆爾波之間出現的能量均分現象和密度空穴。 -
Edge collapse, honeycomb and surface voids in the slipform paving cement concrete and shrinkage of hardening concrete used in highways are studied in this paper, which is a part of western traffic project, frost resistance of cement concrete, supported by traffic ministry of china
本文針對交通部西部交通項目水泥混凝土抗凍融耐久性能研究中高速路面混凝土滑模施工過程中的塌邊和麻面以及硬化混凝土收縮等現象展開研究。 -
The destruction modes are like these : slump and landslide model, collapse model and slope surface destruction model
黃土高邊坡變形破壞模式可分為滑塌、滑坡模式，崩塌模式和坡面破壞模式等幾種。 -
The main conclusions and cognitions are as follows : ( l ) rockmass weathering should be studied from either microcosmic and macrocosmic, microcosmic contain includes of mineralogy and of lithology, and in macrocosmic, weathering action damages integrality of rockmass, so studying rockmass structure can open out weathered degree of epigenetic - surface rockmass. ( 2 ] the dissertation sums up the characteristic indexes which can token weathered and unloaded degree, simultaneously, puts forth and summerizes several methods that classifies different weathered and relaxed zones of slope rockmass. ( 3 ) river valley epigenetic - surface reformation is controlled by rockmass structure, but weathering and unloading of rockmass is the direct cause which leads to different epigenetic - surface physical geology phenomena, for example, collapse, landslide, incline, dynam - relaxed and so on
本文主要結論與認識為： （ 1 ）對于巖體風化的研究從微觀與宏觀兩方面入手，微觀方面重視對礦物學、巖石學的研究，宏觀方面，上升到巖體結構被改造的高度進行研究； （ 2 ）歸納了表徵巖體風化、卸荷程度的特徵指標並提出了劃分巖體風化、卸荷程度的幾種方法； （ 3 ）巖體結構控制著河谷淺表改造，但導致崩塌、滑坡、傾倒、松動等表生物理地質現象的直接原因乃是巖體的風化、卸荷。 -
A burnedout star could collapse to so small a radius as to make the effects of general relativity quite important near its surface.
一個燃燒完的星球可能坍縮到如此之小的半徑，以致在其表面附近，廣義相對論效應相當重要。 -
And the authors bring out advanced comprehensive strategy to prevent and cure the surface collapse that will happen, and brings out the " one opeing up two leveling, three rebuilding " strategy to cure the existed surf ace collapse
同時，提出了在地面塌陷形成以前就採取」超前」的綜合防治措施，對已形成地面塌陷採取」一疏二平三改造」的措施進行綜合治理。 -
Thirdly, the paper point out that the key reasons of swelling soil subgrade ' s collapse are swelling soil ' s expand - shrink property, cranny property, strength decrease property and weak frame surface property. as the result of this, the paper provides theoretical foundation for evaluating the stability of swelling soil subgrade ' s side slope
指出膨脹土的脹縮性、裂隙性、強度衰減性、軟弱結構面是導致膨脹土路基邊坡滑塌的根本原因，從而為準確評價膨脹土路基邊坡的穩定性提供理論依據。 -
Surface collapse of coal field is one kind of geological disaster with great hazard, which may result from distortion and breakout of overlying strata that lose their support after underground coal beds are excavated in a large area
摘要採煤區地面塌陷是由於地下煤層大面積采空引起上覆巖層失去支撐而變形崩落最後導致地面沉降一種危害很大的地質災害。 -
Exploitation of groundwater can cause uneven subsidence of ground surface. if it can not be disposed well, a lot of environment calamities such as collapse of building and fracture of underground pipe lines, can occur
地下水開采工程會引發地面不均勻沉降，如果處理不當會造成地面建築物破壞和地下管線斷裂等多種地質環境災害。 -
In this paper, in order to solve the difficulties in the rain pipe construction in jianyu road of yulin city, the pipe - pushing technique for the hand - type tool pipe in the sand soil layer has been researched by experiments in which many practice problems were considered such as the movement and deformation of sand soil, the difficulties for the pipe to enter the scheduled work soil, the collapse of excavation surface, the departure of pipe center and the difficulties to correct this departure. by both the calculations for the stabilities of back - supporting soil body and excavation surface and the theoretical analysis on the reasons for the departure ' s producing, some construction techniques were introduced and adopted in this paper which include not only the change and reinforcement to both the back - supporting soil body and the scheduled work soil body but also the settings of pipe cap, lattice and correcting system on the head of the tool pipe
本文針對榆林市建榆路雨水管道中遇到的技術難題，進行手掘式工具管砂土層頂管法施工技術試驗研究，在研究中考慮砂土層存在的后靠土體移位、變形，工具管難以進入出洞土體，挖掘面易坍塌、管道中心易偏差及難糾偏等問題，通過對后靠土體和挖掘面的穩定計算及偏差產生原因的理論分析，提出並採用后靠土體換填加固，出洞土體換填加固，以及在工具管頭部設置管帽、格柵、糾偏系統等技術措施 -
At the last, on the base of that, the author builds up 2 - d model ( modflow ) to simulate numerical value of surrounding underground water changes by tunnel water invasion, researches the effects on surrounding underground water system for tunnel drainage by desiccation, forecasts the restoring cases after the exclusion of water, at the same, analyzes the influences in underground water level and surface collapse by tunnel excavating
並且在此基礎上建立modflow二維模型對隧道涌水引起周圍地下水變化進行數值模擬，研究隧道疏干排水對周圍地下水系統影響，進行模擬並預測堵水成功后水位的恢復情況，最後分析隧道對周圍地下水位以及引起的地面塌陷的影響。 -
In the storm, the part on surface layer of the underlying bed will produce the liquefaction, the absolute standing wave that form the front of the structure may bring 6. 16 meter depth of the liquefaction, so the foundation of structure will lose part of the supporting force, the structure will slide in this situation. that is to say, because of the foundation partly liquefaction, the exist of soft layer and the component force of gravity, the structure slide further to the basin and collapse, which leads to disastrous consequence
在強暴風浪下，底床表層1 . 75米以上均有可能產生液化現象，而在構築物前形成的完全駐波，甚至能夠造成6 . 16米的液化深度，構築物地基部分失去支持力，將直接導致構築物的滑動，也就是說，在地基部分液化、軟弱層的存在以及構築物沿坡重力分力的共同影響下，構築物將向「盆」底方向發生更大的滑動，甚至可能發生倒塌。 -
Discussion on mechanism of surface collapse pit and dimensions of obstructive ridge for steep inclined coal seam mining
急傾斜煤層開采地表塌陷坑形成機理與安全礦柱尺寸研究 -
Based on the abundant field data and the comprehensive analysis, the authors discusses the distribution, present status and hazard of surface collapse in pingdingshan mining area, defines the suitable rock movement parameters through lots of rock movement observation data, forecast the surface collapse, that caused by exploiting coal, by adopting probability integral method
摘要依據豐富的野外調查資料，通過綜合分析，論述了平頂山煤礦區地面塌陷災害的發育分佈現狀及危害，根據大童的巖移觀瀏資料，確定出適合本區的巖移參數，採用概率積分法對采謀所引起的地面塌陷進行了預測。 -
When calculating the cost of edge collapse, we consider the influence of edge length and surface curvature. and, the position of the new vertex is selected from the veytexes of the edge collapsed, this can not only preserve the initial model shape, but also reduce the calculation of cpu and meet real - time rendering of virtual environment
在折疊邊的代價估計中，均衡考慮了多邊形邊的長度和多邊形表面曲率影響；折疊邊的頂西北工業大學博士學位論文點位置從折疊邊的頂點中選取，既有助於保留了初始模型的形狀，又減少運算量，滿足快速繪制的需求。
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