均布動載荷 的英文怎麼說
中文拼音 [jūnbùdòngzǎihé]
均布動載荷
英文
moving uniform load-
When the transportation load is long - term evenly distributed, the influences of each relevant factor, i. e. pipeline depth, diameter, deformation module of foundation, poisson ratio of soil and tyre pressure of vehicles, toward mises stress and vertical displacement of pipelines are discussed. when the transportation load is movable and invariable, the changing rules of mises stress and vertical displacement during the vehicle ' s movement are calculated and analyzed, and effects of vehicle velocity and tyre pressure toward these two mechanical characteristics are discussed. when the transportation load is stable and simple harmonic, the changing rules of mises stress and vertical displacement during the time of load function are calculated and analyzed, and effects of vehicle velocity and tyre pressure toward these two mechanical characteristics are also discussed. in three - dimensional analysis, mises stress and vertical displacement of pipelines under three kinds of transportation loads are calculated, and the analysis and discussion of correlative factors are also made
當交通荷載為長期均布荷載時，討論了各相關因素，包括管道埋深、管徑、地基變形模量、地基泊松比和車輛輪壓大小分別對管道mises應力和豎向位移的影響；當交通荷載為移動恆載時，計算並分析了車輛行駛過程中管道mises應力和豎向位移的變化規律，討論了車速和車輛輪壓對這兩個管道力學性狀的影響；當交通荷載為穩態簡諧荷載時，計算並分析了荷載作用時間內管道mises應力和豎向位移的變化規律，討論了車速和車輛輪壓對管道力學性狀的影響。The fea model of a novel cylinder action hydraulic press has been established in commercialized software ansys by adopting coupling dofs to simulate the sliding link in the frame with analysis and calculation of the stress and the displacement of the crossbeam and the column when the frame was under centric uniform distributed load and eccentric distributed load
摘要在商品化軟體ansys中，建立了一種新型壓力機整機的有限元模型，運用節點耦合的方法模擬滑動連接，隨後分析計算了機架承受均布載荷及偏載時橫梁和立柱的受力與變形。According to construction features of three - span prestressed concrete and continuous rigid frame box with v pier bridge, the paper demonstrates the shell finite element theories, c onstruct the spatial model, and researches its spatial stress and variable regularity under different loads including uniform load, concentrated load and prestressing force wire. morever, the paper studies vibratory modal of three - span prestressed concrete and continuous rigid frame box with v pier bridge, and sets about experimental investigation of the corresponding practical bridge
本文根據典型的三跨預應力混凝土墩連續剛構橋的特點，提出採用板殼有限元法計算理論，建立其空間分析模型，研究該橋在不同荷載（均布恆載、集中活載、預應力束）支承條件下的空間受力特性和變化規律：探討了典型三跨預應力混凝土墩連續剛構橋的空間靜動力特性及相應的振動模態；探索一般的平面理論預測值與實際空間效應的差異，並進行相應的試驗研究。The distance from figure center of the parabola to the potential slide surface is less than half of the section length. mechanical conditions of this method include not only force equilibrium but also moment equilibrium. as for the beam - on - foundation, its pressure can be calculated by homogeneous hypothesis or winkler foundation hypothesis or infinite half elastic foundation hypothesis on the pulling anchor - cable step and by coulomb active earth pressure theory approximatively on the long term working step
對于樁在滑面以上段所受的坡體荷載，提出可按形心偏下的拋物線型分佈模式計算，並在滿足力的平衡條件的同時還滿足力矩平衡條件；對于地樑上作用的坡體荷載，提出在錨索張拉階段可按均布或溫克爾（ winkler ）地基假定或彈性半無限體地基假定來計算，在工作階段則一般可以近似按庫侖主動土壓力理論計算。4. according to results of planar analysis and three - dimensional analysis, comparisons of influences between different factors, long - term evenly distributed load and movable invariable load, planar analysis and three - dimensional analysis toward pipelines are carried out respectively. 5
根據二維分析和三維分析的結果，分別將不同因素對管道的影響、長期均布荷載和移動恆載對管道的影響、二維和三維分析對管道豎向位移的影響進行了對比分析。According to the functionary times of transportation times and spatial location between pipelines and roads, three kinds of transportation load models are put forward, i. e. long - term evenly distributed load, movable invariable load and stable simple harmonic load. two common foundation models, linear elastic model and modified cambridge model are analyzed, and the former is selected as the model for soft soil in this paper. considering the application actuality and foreground of steel, steel pipeline is adopted as research object
根據交通荷載的作用次數以及管道與道路的空間位置，提出了三種交通荷載模型，即長期均布荷載、移動恆載和穩態簡諧荷載；分析了常用的兩種地基模型?線彈性模型和修正劍橋模型，並選擇了線彈性模型作為本文的地基模型；考慮到鋼管的應用現狀和前景，選擇鋼管作為研究對象；從法向和切向對管?土相互作用模型進行了探討。分享友人