拉張應力 的英文怎麼說
中文拼音 [lāzhāngyīnglì]
拉張應力
英文
stretching stress-
With two examples of the prestressed celom tension in the continuous girder design, which is utilized in the projects of mingzhu elevated railway and xinmin elevated railway, the author analyses the characters of the design and the application of this technology
摘要就軌道交通明珠線、莘閔線等工程的連續梁設計中預應力束體內張拉的實例，分析其設計特點和應用。Thus, the paper focuses on mineralogy, petrology, petrogeochemistry, isotopic chorology, and sr - nd - pb isotopes of the mafic intrusions and dikes in fujian province, se china. in addition, we also discussed the process of the plate subduction, mantle evolution, crust - mantle interaction, lithospheric thinning and extension, and the reaction for crustal extensi on in fujian province, se china. ( 1 ) daiqianshan mafic intrusion is situated along the changle - nanao fault, which intruded in the metamorphic rocks
基於此，本文以中國東南部福建省的基性脈巖、巖體為研究對象，運用系統的礦物學、巖石學、巖石地球化學、同位素地球化學及同位素年代學證據，詳細論述了晚中生代中國東南部板塊俯沖、地幔演化、殼幔相互作用及巖石圈伸展減薄的地球動力學過程，探討了地殼拉張期次在福建省區域構造上的響應。Viewing from the global tectonics, the authors dynamically described the dialectical relationships between extensions and compressions in time special 4 - d, and pointed out the different tectonic deformation systems corresponding to different tectonic dynamical environments. considering the geological evolution of sichuan basin, from nine aspects, the authors proved that the tectonic dynamical environments of sichuan basin, after its formation, has experienced the early extension, middle transition and late compression environments. correspondingly, as the paper suggests, a considerable attention need to be paid to the comprehensive studies of the early extensional structures, middle inversion structures and the late compression structures of sichuan basin when analyzing its tectonics
從全球構造著眼，動態地從時間-空間四維闡述了拉張-擠壓構造動力學環境的辯證關系，指出了不同構造動力學環境對應于不同的構造變形系統。結合四川盆地地質演化歷程，從9個方面論證了四川盆地自其形成以來，構造動力學環境曾經歷了早期拉張中期過渡晚期擠壓的過程，相應地在對四川盆地進行構造分析時，要注意早期伸展構造中期反轉構造晚期擠壓構造的識別和綜合研究。This article comtined the practice of the projtct of jiaojiang bridge and analyzed strand wire with high strength and low laxation, the anchorage system, the tentioned technice in the construction, and the principle of anchorage
摘要本文結合椒江大橋工程實踐，分析了國產高強度低鬆弛鋼絞線和預應力錨固體系，在施工中的張拉工藝、錨固原理。The dynamic tensile stresses of earthquake may balance or exceed to the precompression stresses due to static watef, this may arouse opening of joints along the normal direction. if the altemate actions of earthquake join, the joints may behave gradual opening and closing
由於地震作用時的動拉應力將抵消並超過靜載作用下的壓應力，導致橫縫面沿法向張開，加上地震的交變作用，橫縫可能會呈現反復的「漸開漸合」現象。Cbm sealed condition is bad under neutral plane at axial part where shows tensile stress in syncline structure
向斜中和面以下表現為拉張應力，向斜軸部中和面以下的煤層甲烷封存較差。Abstract : the monitoring of tieback prestress and its existing problems are discussed for foundation pit protection at dongfang square, beijing, and the problems in the tensile, such as the loss of prestress, bias in loading, are explained
文摘:對北京東方廣場基坑支護中錨桿預應力的監測及其所出現的問題進行了分析，說明張拉過程中所存在的問題（預應力損失、偏心荷載等） 。Cbm is easy to escape over the neutral plane where shows tensile stress in antiform ; cbm accumulates under the neutral plane
背斜構造中和面以上表現為拉張應力，煤層氣容易逸散，中和面以下煤層甲烷聚集。The prestressed cable is a long - span structure which represents tensegrity structure thought. tensegrity structure is not stable without prestress and structural stiffness should be guaranteed by prestress. the structural stiffness changes compatibly with the load
張拉整體結構在無預應力情況下結構是不穩定的，結構的剛度依靠預應力予以保證，並隨著荷載的作用，結構的剛度不斷變化。The article structure the landslide prevention and cure, the structure of prestress anchors and its application in detail. basing on the geology condition of fabricating yard, we calculate the solid power and the length of anchor rope. we have worked out the experiment research scheme, and has carried on the earlier stage experiment, field demarcation experiment and has opened pulling the experiment on the spot. ten teams of steel rope to two teams of structure types twist the experimental data that thread internal stress and the total pulling force has been in progress research, and has put forward raising the measure of solid capability of prestress anchor and administering possessing
本文以川藏公路滑坡路段為研究對象，對滑坡的治理、預應力錨索的結構、作用及其在滑坡防治中的應用進行了詳細的分析；基於施工現場的地質條件，對錨索錨固力及錨索最佳錨固段長度進行了理論計算；制定了實驗研究方案，進行了前期實驗、現場標定實驗、實地張拉實驗；對兩組結構型式的十組鋼絞線內應力及總張拉力的實驗數據進行了研究，提出了提高預應力錨索錨固性能的措施，以及具體的施工方案和施工工藝。Inner force on strengthening concrete statically indeterminate beams prestressed with localized tendons
局部張拉預應力筋加固混凝土超靜定梁的內力計算Method of tensile stress relaxation test for metallic materials
金屬材料拉伸應力張馳試驗方法It shows that the method suggested in the paper is simple, applicable for engineering and has good precision. on the bases of the formulas deduced, and combining with relative test datas, it studies in the paper several factors influencing the bearing performance of the simple beams, such as shape of the external tendons, the equal moment segment length, span - to - depth ratio of the beam, valid initial prestress of the external tendons, area of the internal tension reinforcement, strength of the concrete, vertical distance between
在公式推導的基礎上，結合相關試驗資料，研究了體外筋的形狀、等彎矩區長度、梁跨高比、有效張拉預應力、體內受拉筋配筋率、混凝土強度、錨固點到樑上邊緣在垂直方向上的距離、體外預應力筋水平段長度（雙折線型體外筋的情況）以及荷載類型等對體外預應力混凝土簡支梁受力性能的影響。By means of the finite element inverse analysis, based on stress - strain theoretical equations of the elastoplasticity and viscoelasticity - viscoplasticity, the change of the valley - side margin stress distribution during original state, the condition of human cutting a terrace of building houses in the loess slope, and the condition of cutting the top of loess slope is elucidated
3 .基於粘彈?粘塑性理論的本構方程，運用有限元方法進行反演分析，闡明了宅基邊坡谷緣在天然條件、斬坡建窯條件下和削坡條件下的應力場變化特點。結果表明，谷緣在斬坡建窯條件下拉張應力和剪切應力增大是導致崩塌產生的根本原因。This thesis mainly researches second - prestressing precast slabs, it is important to study its one - way slab floor ' s ability in use. specific content include : imitate construction load lab, through this method to analyze the precast slabs " properties in the first stage in burden load. one - way precast slabs " lab, analyes one - way precast slabs sandwich s ability in second burden load stage
具體的研究內容有：模擬施工荷載試驗，即對裝配整式夾層板第一受力階段進行研究；單向裝配整體式結構的第二受力階段的性能進行研究，並分析了二次張拉預應力筋所引起的結構的變形和應變與計算結果進行對比。Abstract : based on the fundamental theory of computation of the cable - prestressed steel trusses established in paper 1, the iterative perturbation formulas which inversively determine the stiffenesses of elements of steel trusses and cables with the restraint of vertical displacements of the truss are put forward on matrix perturbation principle
文摘:基於文1所建立的拉索式予應力鋼桁架基本計算理論，根據矩陣攝動原理進一步給出了以豎向結點位移為約束反演確定任意布索張拉予應力鋼桁架單元剛度和拉索剛度的攝動迭代公式。The vertical loading plays a major role in the state of the flexural stress. beneath the mountain belts, the compression decreases and changes to extension from the top of the elastic plate to the bottom. the change of the flexural stress beneath the basin is vice versa
從彈性板頂部向下，造山帶下方的擠壓逐漸減小，到中性面以下變為拉張，然後張應力逐漸增大，在彈性板底部達到最大；盆地下方的變化則與之相反。This paper analyses multi - stage pre - stressing and different parameters produce the impacts to static and dynamical behavior of the structure by theoretical calculation and experimental research. the conclusion can provide reference to static and seismic design of arch truss string structure. the main issues in the paper are : the multi - stage pre - stressing loading experiment is studied in this paper
本文通過理論計算和試驗研究分析了多次張拉預應力、參數設置對張弦拱桁架結構靜力、動力性能的影響，主要完成了以下幾方面的工作:進行了模擬施工過程中的多次預應力加載試驗。Aiming at main project of the xiaoxihu bridge, a low pylon cable - stayed bridge, based on the existing theory and method of the bridge construction controlling theory, using the basic function of " ansys ", farther exploitation was done on concrete elasticity and creep calculating distinguishingly, nonlinearity analysis theory was used to construct the space model, the main beam, string pylon and abutment were simulated by the beam elements which was considered the shearing effect. which is worthy of considering that using the geometric non - linear truss elements to simulate the stayed - cable, form traveler is modeled as structure elements and participate in stress analysis. four stages are used to model the construction stage, which are : ( 1 ) the erection of form traveler ; ( 2 ) placing the segmental concrete ; ( 3 ) jacking the tendons ; ( 4 ) tensioning the stay cables
針對建設中的小西湖矮塔斜拉橋的主體工程，結合已有的橋梁施工控制的理論和方法，利用大型通用計算軟體ansys的基本功能，並著重在混凝土彈性計算及徐變計算方面做了相應的二次開發，採用非線性分析理論並建立了空間結構模型、用考慮剪切作用的梁單元模擬主梁、索塔和橋墩；用可考慮幾何非線性的桁元模擬斜拉索、施工掛藍作為結構單元進行拆裝，參與受力計算，整個施工過程按施工循環周期分為若干階段，每個階段又分為四個工況，即：空掛藍就位、澆築完畢階段混凝土、張拉預應力鋼筋和張拉斜拉索。A simplified spatial method to calculate the prestressing loss caused by batched tension process
分批張拉預應力損失的空間簡化計算方法分享友人