sand liquefaction 中文意思是什麼
sand liquefaction
解釋
砂土液化- sand : n 1 沙。2 〈 pl 〉 沙灘，沙洲，沙地，沙漠。3 〈 pl 〉 沙粒；（計時用的沙漏中的）細沙。4 光陰，時...
- liquefaction : n. 液化（作用）。
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Effect of liquefaction of lenticular saturated sand zone on seismic response of buildings
飽和砂土透鏡體液化對建築物地震反應的影響 -
Probability analysis of sand liquefaction
砂土振動液化危險性分析方法比較研究 -
The displacement of saturated sand induced by liquefaction
飽和砂土液化引起的變形研究 -
Liquefaction model for saturated sand soilunder explosive loading
飽和砂土爆炸液化模型研究 -
The evaluation of sand liquefaction is the most important content of engineering reconnaissance and the aseismatic design. so evaluating the sand liquefaction objectively and exactly is the precondition of taking preventive measures on areas where liquefaction easily occurs. it also relates closely to the safety and economic benefits of the projects
地震砂土液化評判是工程勘察和抗震設計的一項首要內容，故客觀、準確地評價砂土液化，是對有可能發生液化的區域或地段進行有針對性的預防處理的前提，是關繫到工程建築的安全使用和工程建設的經濟效益的重要問題。 -
Abstract : in this paper, the efficient stress method is used as main means, while the railway engineering anti - earthquake design specification and the dynamic triaxial test are used as additional means. the authors analyze the ground layer liquefaction of shield tunnelling built on powder soil or fine sand, whose top plate is buried under two kinds of depth, and conclude that the liquefaction area is different with different buried depth. finally, the rational buried depth is proposed
文摘:以有效應力原理的有限元計算分析為主、鐵路工程抗震設計規范及室內動三軸實驗為輔，對修建在粉土或粉細砂層中的盾構隧道進行了兩種不同埋深情況下的液化分析，得出了埋深不同液化區出現區域不同的結論，並提出隧道抗液化的合理埋深。 -
Based on some macroscopic evidences gained in actual earthquake fields and on a preliminary theoretical analysis, it has been pointed out that the rayleigh waves should be an essential cause of liquefaction for the fields beyond the epicentral region with saturated sand deposits at shallow depths
（ 4 ）首先介紹了提出rayleigh波是液化主因的背景，基於宏觀震害資料的啟示，提出了rayleigh波可能是造成砂土液化的主要動因的新見解。並用單相介質模型的總應力法，分析了rayleigh波可能產生的應力大小。 -
Analysis on the liquefaction of saturated sand foundation caused by vibration
振動載荷下飽和砂土地基液化區域擴展分析 -
The cyclic mobility occurring in the loose sand is often called " liquefaction " in practice but in the present study the mechanism which does not involve the failure in soil will be called cyclic mobility
發生在松砂中的循環活動性通常稱為「液化」 。在本文研究中只要不涉及土體的破壞機理稱為循環活動性。 -
In this paper, regarding the analysis of stability factors of majiatian tailings fill dam, namely regional geologic structure, rock - soil body of dam foundation, poor geology phenomenon, leach consolidation and chemical consolidation of tailings, seepage water of dam body and king - size flood water of majiatian tailings reservoir, a preliminary demonstration on probability of earthquake liquefaction and seepage failure of dam bodys tailings sand soil, of the dam body failure resulted from abutment landslide and of the flood water overflowing crest, as well as on the contribution of leach consolidation and chemical consolidation of tailings to the stability of dam body has been performed
通過對馬家田尾礦庫區域地質構造、庫區不良地質觀察、尾礦淋濾固結和化學固結、壩體滲透水和庫區特大洪水等因素對馬家田尾礦堆積壩體穩定性影響的分析，初步論證了壩體尾礦砂土的地震液化、滲透破壞、壩肩滑坡使壩體失穩和洪水漫頂的可能性，以及尾礦淋濾固結和化學固結作用有助於壩體的穩定性。 -
In this paper, regarding the analysis of stability factors of majiatian tailings fill dam, namely regional geologic structure, rock - soil body of dam foundation, poor geology phenomenon, leach consolidation and chemical consolidation of tailings, seepage water of dam body and king - size flood water of majiatian tailings reservoir, a preliminary demonstration on probability of earthquake liquefaction and seepage failure of dam body ' s tailings sand soil, of the dam body failure resulted from abutment landslide and of the flood water overflowing crest, as well as on the contribution of leach consolidation and chemical consolidation of tailings to the stability of dam body has been performed
通過對馬家田尾礦庫區域地質構造、庫區不良地質觀察、尾礦淋濾固結和化學固結、壩體滲透水和庫區特大洪水等因素對馬家田尾礦堆積壩體穩定性影響的分析，初步論證了壩體尾礦砂土的地震液化、滲透破壞、壩肩滑坡使壩體失穩和洪水漫頂的可能性，以及尾礦淋濾固結和化學固結作用有助於壩體的穩定性。 -
Seismic liquefaction and its prevention measures for saturated sand
飽和砂土地震液化及治理措施 -
The innovation of multiple mechanism boundary surface plasticity model is that the effect of rotation of principal stress axial directions and large shear displacement of sand in the earthquake induced liquefaction are taken into account at the same time in the model
獨到之處在於所建立的多機構邊界麵塑性模型能夠同時考慮土體在復雜荷載作用下主應力軸旋轉的影響和砂土地震液化時剪切大位移特性。 -
Reconsolidation volumetric behavior of saturated sand soil after liquefaction
飽和砂土液化后再固結體變特性研究 -
Study on possibility of sand liquefaction of immersed tube foundation in earthquake
地震作用下沉管地基砂土液化可能性研究 -
Mechanism of earthquake - induced saturated sand liquefaction and statistics assessment method
地震時飽和砂土液化機理及統計判別法 -
Based on the super capability of gis, the paper discusses problems on layer management of related data, design of attribute tables, and data coding etc. the coefficient of the soil liquefaction resistance k and the coefficient of soil liquefaction hazard h are presented. the seismic sand liquefaction forecasting, liquefaction disasters forecasting, and prevention measures on liquefaction are also discussed. using the software of mapgis, the process of liquefaction database setup has been studied
本文基於gis在數據存儲管理及可視化方面的強大功能，研究了適合gis環境的液化評價相關數據的分層管理，屬性數據表設計以及圖元編碼等問題；並提出了土層抗液化指數k及砂土液化災害指數h兩個重要液化評價因子，在此基礎上進一步研究了地震砂土液化預測、液化災害預測以及防治處理信息系統建設等問題。 -
Wave propagation in saturated soil and sand liquefaction are two important subjects in earthquake engineering and geotechnical engineering
飽水介質中的波傳播和砂土液化是地震工程和巖土工程中兩個重要的問題。 -
China is among the countries where earthquakes take place most frequently in the world. 60 percent of the areas have high earthquake intensity, and sand liquefaction is the main reason that causes seismic disasters
我國是世界上地震多發國家之一，全國有60的地區處于高烈度區，而砂土液化是引起地震災害的主要原因。 -
After the simple analyses with the single phased media theory, a more detailed analyses has been done, based on two phased media theory, on rayleigh wave propagation in saturated soil. the new results show that rayleigh wave will really cause larger shear stress and pore pressure than s wave in shallow layers and thus easily induce sand liquefaction
進一步，基於兩相介質理論的有效應力法，研究了rayleigh波在飽水介質中的傳播情況，給出了rayleigh方程，分析了飽水介質中產生的應力，並同單相介質模型的結果做了對比，證實了rayleigh波較s波可產生較大的剪應力和法向應力梯度，從而導致液化的論斷。
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