無應力 的英文怎麼說
中文拼音 [wúyīnglì]
無應力
英文
a ence of stre-
2 transmission of longitudinal stress wave in non - defect pipeline excited by axial symmetry impact has been studied by the numbers
2 、對無缺陷管道中受軸對稱沖擊載荷下激勵出的應力波進行了較為系統的實驗研究。This setup, known as a conoscope, is shown in figure 14. 2 and consists of two stress - free plano - convex lenses a and b
此裝置稱為錐光鏡，如圖14 2所示，它由a和b兩個無應力平凸透鏡組成。This setup, known as a conoscope, is shown in figure 14. 2 and consists of two stress - free plane - convex lenses a and b and a diaphragm c having a small aperture
此裝置稱為錐光鏡，如圖14 2所示，它由a和b兩個無應力平凸透鏡和一個帶小孔的光闌c組成。Abstract : based on the analysis of the main failures discovered in pavement on steel deck plate and the demanding service condition of the pavement on steel deck, high - temperature rutting test, low - temperature bending test and controlled stress flexural fatigue test are used to study the performance of asphalt mixtures modified by epoxy resin including high - temperature stability, low - temperature cracking - resistance, and fatigue cracking - resistance, which are served to evaluate the modification effect of epoxy resin of different contents. with the addition of epoxy resin, all the three performances are improved greatly. however, when the amount of epoxy resin added is over a certain value, the modification effect will be stable with no extra benefit detected. finally, in terms of the properties of the three respects, 20 ?, 30 ?, 30 ? are given separately as the proposal adding contents
文摘:在分析鋼橋面鋪裝層主要病害和特殊工作環境的前提下，分別採用高溫車轍試驗、低溫小梁彎曲試驗和控制應力小梁彎拉疲勞試驗，研究了不同環氧樹脂摻量下的環氧樹脂改性瀝青混合料的高溫穩定性、低溫抗裂性和抗疲勞性能.試驗結果表明:環氧樹脂對這3個方面都有很大的改進效果，但改性效果和樹脂的添加量並不是一個無限遞增的關系，當添加量超過一定數值以後，改性的效果將趨于平穩.最後就高溫、低溫、疲勞3個方面分別提出環氧樹脂添加量為20 ? ， 30 ? ， 30 ?的建議值Based on the analysis of the main failures discovered in pavement on steel deck plate and the demanding service condition of the pavement on steel deck, high - temperature rutting test, low - temperature bending test and controlled stress flexural fatigue test are used to study the performance of asphalt mixtures modified by epoxy resin including high - temperature stability, low - temperature cracking - resistance, and fatigue cracking - resistance, which are served to evaluate the modification effect of epoxy resin of different contents. with the addition of epoxy resin, all the three performances are improved greatly. however, when the amount of epoxy resin added is over a certain value, the modification effect will be stable with no extra benefit detected. finally, in terms of the properties of the three respects, 20 ?, 30 ?, 30 ? are given separately as the proposal adding contents
在分析鋼橋面鋪裝層主要病害和特殊工作環境的前提下，分別採用高溫車轍試驗、低溫小梁彎曲試驗和控制應力小梁彎拉疲勞試驗，研究了不同環氧樹脂摻量下的環氧樹脂改性瀝青混合料的高溫穩定性、低溫抗裂性和抗疲勞性能.試驗結果表明:環氧樹脂對這3個方面都有很大的改進效果，但改性效果和樹脂的添加量並不是一個無限遞增的關系，當添加量超過一定數值以後，改性的效果將趨于平穩.最後就高溫、低溫、疲勞3個方面分別提出環氧樹脂添加量為20 ? ， 30 ? ， 30 ?的建議值Differential rates resulting from temperature gradients in the material introduce stresses which can't be removed by later heat treatment.
由材料內部的溫度梯度引起的速度差將導致產生應力，這種應力是無法用以後的熱處理來消除的。That is, generally, they are not suffering from organic or functional diseases and disability, but feel discomfortable, fatigue, blunt, inactive or inadaptable, and are always in a state of anxiety, a oyance, fastidium or hopele e, and are very tired with life
通俗地說，就是這70的人通常沒有器官、組織、功能上的病癥和缺陷，但是自我感覺不適，疲勞乏力，反應遲鈍、活力降低、適應力下降，經常處在焦慮、煩亂、無聊、無助的狀態中，自覺活得很累。This setup, known as a conoscope, is shown in figure 14. 2 and consists of two stress-free plano-convex lenses a and b.
此裝置稱為錐光鏡，如圖142所示，它由A和B兩個無應力平凸透鏡組成。We begin by considering a spherical element in an unstressed body.
現在從考察一無應力物體中的圓球形單元體開始討論。This setup, known as a conoscope, is shown in figure 14. 2 and consists of two stress-free plane-convex lenses a and b and a diaphragm c having a small aperture.
此裝置稱為錐光鏡，如圖142所示，它由A和B兩個無應力平凸透鏡和一個帶小孔的光闌C組成。Through the calculating example results and the comparisons with other calculating theories, it is proved that the calculating formulas of the combined geometry curve theory is valid, practical and accurate. it can be used in the calculation of line shape at the preliminary design, and can meet the engineering need. ( 3 ) this thesis researches systemically on the calculating theory of the suspension bridge ’ s cable system, including calculating design line shape and internal force, erection line shape of cable and pre - displacement of saddle without loads, the fixed position for erecting cable and amendatory method of cable ’ s unstressed length
通過算例驗證了混合線形理論公式的實用性和正確性，並且與其它計算理論的結果比較，證明公式有足夠的精度，可用做初步設計中主纜線形的計算，能夠滿足工程的需要; （ 3 ）對自錨式懸索橋主纜系統計算理論進行了系統研究，包括成橋線形和內力計算、空纜線形和內力計算、鞍座預偏量計算、索夾安裝位置計算和索鞍處主纜無應力長度修正方法。Secondly, calculation theory of construction for suspension bridge is presented under the ideal condition of dead load design. linetype change stiffness of cable and slip stiffness of supporting points are deduced based on segmental catenary theory. then numerical analysis method through sgkz2000 software are introduced in detail about calculating design linetype for suspension bridge, unstressed length of cable, erection linetype of cable and pre - displacement of saddle without loads, erection linetype of wire strands, the fixed position for erecting cable band and linetype of lifting stiffening girders
其次，根據懸索橋恆載設計理想狀態建立了懸索橋施工計算原理；以分段懸鏈線索理論為基礎，推導了懸索的線形變化剛度和懸索支點的滑移剛度；介紹了懸索橋成橋設計線形計算、吊索無應力長度計算、空纜線形與預偏量計算、絲股架設線形計算、索夾安裝位置計算和加勁梁吊裝線形計算的具體方法、數值演算法及軟體sgkz2000的計算模塊的實現。This paper also presents the methods of controlling unstressed length of cable, pre - displacement of saddle, anchor span tension, erection of wire strands, the fixed position for erecting cable band and cable length. determination and control approach of displacement of saddles during cable erection are also introduced. at the same time, the change course of linetype during construction period for suspension bridge is analyzed
再次，介紹了懸索橋的施工控制內容與方法，利用軟體sgkz2000對多座懸索橋進行了施工計算，提出本文關于懸索橋的主纜無應力長度控制、索鞍預偏量控制、錨跨張力控制、絲股架設控制、索夾安裝位置與吊索長度控制的方法；介紹了吊梁階段鞍座頂推量的確定與控制方法，分析了施工階段懸索橋的線形變化過程。In the simulation and analysis on culvert construction, the method of foundation - pit excavation layer by layer and step by step was used, i. e. the method that makes the surface of excavation have no stress, when the elements were excavated gradually in period of construction. at this process, the state of soil is unloading, the laws of stress field and displacement field with the depth of excavation were studied. based on the obtained stress field and displacement field after the excavation was completed, by using of the newly increased filling - elements " gravity and the grinding force, the simulation of the construction of body of the culvert and foundation - pit ' s filling layer by layer had also been done in this dissertation
用有限元法模擬分析涵洞基坑開挖時，採用分層、分步模擬開挖過程的方法，即將計算域內單元分層「挖去」 ，使開挖表面成為無應力表面的方法，分析土體在卸載狀態時的應力場和位移場隨開挖深度的變化規律；在洞體施工后，回填土體時，據開挖完成時的應力場、位移場，通過逐級增加計算域內的單元數目，施加每級新增加單元的自重荷載，利用有限元法模擬基坑及上覆土體分層填築的施工過程，這不僅反映土體處于再加載應力狀態時，填土受力及變形的一般規律，而且這種將地基? ?涵洞? ?土體作為一個統一整體進行模擬的方法，量化了三者之間的相互作用關系。Using these approaches, diffusion coefficients were obtained for the first time for complexes under tensile stress condition and no stress condition respectively
用這些計算方法，首次從實驗上求得了空位與溶質原子復合體分別在低張應力狀態和無應力狀態下的擴散系數。Based on them, parameter approach analysis method of design segmental reasonable state is introduced, which has only iteration in due direction, and more efficient than present backward analysis, backward - forward iteration analysis and non - stress state method as well as more stable because of introduction of iteration parameter
基於此，提出了設計（施工）節段合理狀態分析的參數逼近法。因只需正向迭代計算，比目前倒退分析、前進倒退交替分析法及無應力狀態法具有更高的效率，又因引入迭代控制參數，而具有更好的穩定性。A new method, which is based on the force equilibrium condition and the geometrical compatibility condition of cable, according to the constant unstressed length of cable, is presented in this paper to determinate the geometric of suspension bridge free cable. numerical examples with humen suspension bridge are given to demonstrate the effectiveness and the validity of the proposed method
根據索的力的平衡條件及變形相容條件，由纜索無應力長度不變的原則來建立纜索狀態方程，提出了懸索橋主纜空纜狀態線形分析的一種新方法.以虎門懸索橋為例對該方法的正確性和適用性進行驗證，可供橋梁工程技術人員設計參考Abstract : a new method, which is based on the force equilibrium condition and the geometrical compatibility condition of cable, according to the constant unstressed length of cable, is presented in this paper to determinate the geometric of suspension bridge free cable. numerical examples with humen suspension bridge are given to demonstrate the effectiveness and the validity of the proposed method
文摘:根據索的力的平衡條件及變形相容條件，由纜索無應力長度不變的原則來建立纜索狀態方程，提出了懸索橋主纜空纜狀態線形分析的一種新方法.以虎門懸索橋為例對該方法的正確性和適用性進行驗證，可供橋梁工程技術人員設計參考Calculating adopts the way of finite unit spot parameter by using the character of dispersion. thus, it can get the similar answer of stress, stress strain and displacement. supervising uses strainmeters, non - stressmeters and tiltmeters, which are buried in the concrete wall to supervise the stress, tress strain, displacement during period of working and makes the forecast
計算採用有限元法將混凝土防滲墻利用離散化變為有限單元節點參數，從而得到應力、應變、位移的近似解；監測採用應變計、無應力計及測斜儀現場埋設在砼墻體內對混凝土防滲墻在施工期及運行過程中進行監測其應力、應變、位移，從而作出預報。Abstract : the alternate calculation method of constant cable - length in non - stress for the structural analysis of suspension bridge in construction is introduced in this paper
文摘:筆者在文中主要介紹了恆定無應力索長迭代法在懸索橋施工控制分析中的應用分享友人