slip crack 中文意思是什麼
slip crack
解釋
滑裂-
Many dislocations were emitted from the grainboundary in the front of crack and were driven out of grain boundary area, leaving dislocation free zone in the front of grainboundary. a concept of grainboundary dislocation free zone is proposed. the deformation in the front of crack tip in magnesium was single slip, which resulted in the thinning in the area of crack tip
首次發現裂尖前方晶界對裂尖發射的位錯有排斥作用，裂尖前方的晶界可以向晶界兩側晶粒發射位錯，位錯從晶界發出后迅速離開晶界向前運動，形成晶界無位錯區，首次提出晶界無位錯區的概念。 -
A way to avoiding crack or reducing crack width of concrete or reducing distortion of member is using prestressed concrete. the writer tried to make full use of the merit of the prestressed concrete and designed prestressed concrete mandril to control crack of structure. the prestressed concrete mandril, which was firstly applied high pressure on a small concrete bar, and then was made in concrete, so it would act as reinforced bar and resist load. in this thesis the writer designed 24 mmnbers and had experimental study of them, reached the conclusion that the effect of resisting crack of the prestressed concrete mandril was good when the load was not large, it can enhance the capacity of resisting crack and reduce the crack distance and crack width, but when the loads was large, the effect of resisting crack was not good, when we used the prestressed concrete mandril and reinforced bar together in member, the effect of resisting crack was very good. the writer analysed the adherence mechanism and wreck mechanism of the prestressed concrete mandril in anxial tension members, and according to the character of the prestressed concrete mandril, the writer constructed the bond model of it. then the writer introduced the analysis theory of crack including the bond - slip theory, the non - slip theory, the synthesis theory and mathematics stat method. the different theory had different theory base, they considered that the primary affection of crack width was different. in this test, the crack distance and crack width of members which placed reinforced bar were match to the compute value of the code gb 50010 - 2002 very well. to the members which
本文共進行了24根試件的試驗研究，得出了預應力混凝土芯棒能較大地提高構件抗裂承載力，在荷載小於預應力混凝土芯棒的開裂荷載時有較好的抗裂效果，能較大地減小裂縫間距和裂縫寬度，但是當荷載較大預應力混凝土芯棒開裂時預應力混凝土芯棒的抗裂效果不是很好，若將普通鋼筋和預應力混凝土芯棒一起使用時則有很好的抗裂效果。本文分析了預應力混凝土芯棒在軸拉試件中的粘結機理和破壞機理，根據預應力混凝土芯棒本身的特點，提出了預應力混凝土芯棒與后澆混凝土之間的粘結模型。然後本文詳細介紹了經典的裂縫分析理論粘結滑移理論、無滑移理論、綜合理論和數理統計方法，各理論有著各自不同的理論基礎，認為影響裂縫寬度的主要影響因素也各不相同。 -
Nanocrack might nucleate at a crack tip or in the dfz. in the thicker area, a ribbon thin area or a zigzag thin area might be formed by slip
金屬薄膜拉伸過程中，微裂紋可以在主裂紋頂端連續形核擴展，也可以在無位錯區中不連續形核擴展。 -
They do n ' t crack, and they last longer than concrete. kenney says rubber sidewalks could also reduce the number of slip - and - fall accidents and the resulting lawsuits
肯尼同時還透露，人們將會從廢舊輪胎的那裡獲取那些橡膠，橡膠不會出現裂縫且其使用壽命會長于混凝土路面。 -
Whereas block element of interface element method ( iem ) could be arbitrary shape, the interfaces between block could describe the phenomenons of slip and crack, analysis of mesomechanics of concrete applying iem is appropriate. the model and arithmetic of iem is introduced in the paper
鑒于界面元離散模型中的塊體元可以為任意形狀，塊體元交界面的界面又能描述滑移或開裂現象，將其應用於混凝土多相材料的細觀力學行為分析及其對宏觀性能的影響是很合適的。 -
How to determine the most dangerous slip crack plane and the minimum safety factor is a key question. the settle methods of this question need adjusting and checking computations again and again. so, a better arithmetic for this question is what scholars want to find
在土釘支護工程穩定性判別中如何確定最危險滑裂面位置及其對應的最小安全系數是一個關鍵的問題，這一問題的解決通常需要分析者進行多次調整、反復驗算，因此，尋找更為高效的演算法是研究者們努力的方向。 -
At the same time, bem formulae for interface crack analysis of thermal barrier coated structures are given in this paper. the method to evaluate nearly - singular integrals over crack tip elements and the formulae for calculating stress intensity factors ( sif ) using open and slip displacements on crack faces are presented too
基於邊界元法、斷裂力學等基本理論，本文導出了帶熱障塗層構件界面裂紋的斷裂特性分析邊界元法公式；結合先進的近奇異積分技術處理裂尖元的近奇異積分，利用位移法計算層間界面裂紋的應力強度因子。
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