prestressed element 中文意思是什麼

prestressed element 解釋
預應力構件
  • prestressed : 安裝預應力
  • element : n 1 要素；成分；（構成）部分；分子。2 【化學】元素；【數學】元，素；【機械工程】單元；單體；【無...
  1. Catenary cable element method for prestressed cable structures

    預應力索結構中的懸鏈線索單元法
  2. Aim for the topic - study of prestressed lightweight concrete platform, from selecting style of the platform, to matching concrete material and admixture, to designing and building the model, to carrying out experiments of temperature field and stress performance, and analysis of finite element, some research work have been done as follows : 1

    本文針對「輕質高強預應力混凝土平臺的研究」這一課題，從罐體結構型式的確定，混凝土基本材料及外加劑的選配，模型的設計製作，到模型結構在各種外荷載及溫度荷載作用下的受力性能試驗研究及罐體結構的有限元分析，展開了如下幾個方面的研究： 1
  3. The layered combined finite element model is taken in the finite analysis of concrete and bonding bar. in the nonlinear analysis ofunbonded prestressed concrete, the effect that unbonded tendons acts on concrete is replaced by equivalent force in the method of equivalent prestress

    在有限元分析中，混凝土和粘結鋼筋採用分層組合式的有限元模型，在無粘結預應力混凝土的非線性分析中，將無粘結預應力筋對混凝土的作用，借鑒預應力的荷載平衡法，用其等效力來代替預應力作用。
  4. Modeling the general solid web continuous box girder and opening - in - web ( open web ) continuous box girder by ansys finite element modeling tool, node stress of governing section and corresponding shear lag values are analyzed. the solution is validated by comparing with variational results and modeling test values. based on the model, the section shear lag induced by dead load, prestress tendons and car loads under the most unfavorable condition and lateral symmetry are also approached. the influence of shear lag effect in double - level continuous box girder is considered with opening - in - web and the web location. the analysis indicates that double - level - load arouses less shear lag effect than one - level - load. when self - weight and prestressed tendons act on together, the shear lag effect on box girder take on a evidently change

    基於所建立的有限元模型，本文分別對實腹和腹板開孔兩種箱梁在恆載、車載、預應力荷載作用時，各主要截面的剪力滯效應進行分析，通過施加縱向最不利的和橫向對稱的車輛荷載，研究實腹連續箱梁和空腹連續箱梁在承受雙層荷載和單層荷載時引起的剪力滯效應，並考慮腹板開孔及開孔位置對于連續箱梁剪力滯效應的影響。分析表明，雙層車載對于箱梁引起的剪力滯系數比單層車載的影響要小，對于箱梁中存在引起的剪力滯后現象有一定的改善作用。
  5. Friction sliding cable element for structural analysis of prestressed steel truss

    預應力鋼桁架結構分析中的摩擦滑移索單元
  6. The main contents are as follows. by the experiments of two joints under low - reversed cyclic loading, the paper analyzes the failure pattern, energy dissipation, ductility and cracking in the joint cores, evaluates the seismic performances and anti - crack behaviors of the joints, and deduces the anti - crack formula of the subassemblage and prestressed frame joint. through the fini te element analysis software ansys, the paper analyzes the specimens nonlinearly, and the theoretical analysis results are well consistent with those of the experiment

    主要內容包括：通過兩榀節點在低周反復荷載作用下的試驗，分析其破壞形態、耗能能力、延性性能和節點核芯區裂縫開展情況，評估節點的抗震性能和抗裂能力，推導出預壓裝配式框架節點的抗裂驗算公式；並運用ansys對試驗中的節點進行了非線性分析，計算結果與試驗結果基本吻合。
  7. Based on comprehensive literature research, this dissertation carried out the experimental study and three - dimension finite element analysis of the behavior of subassemblage and prestressed frame joints under loads

    本文在廣泛閱讀國內外文獻的基礎上，進行了預壓裝配式框架節點受力性能試驗研究及三維有限元分析。
  8. Introduced by prestressed pier in the gate of spillway in xiao xia hydroelectric power station, the text reasonably established 3 - d finite elements mechanic model by the advanced finite elements popular in the world which can expediently impose tension of anchor funicular at its place. it also considered possible diversified combination of loading, and indicated that the effect of its prestressed action is fruitful compared with its conventional counterpart by study of mechanic calculation in comparison. as a result, it vastly improved burdening state of pier. by analysis of 3 - d finite element method, it also gained the stress result indifferent boundary conditions such as breast wall joint support and fixed support, and the displacement result in diversified loading combination. those results gained the instructive and reference value in design of prestressed pier

    本文結合黃河小峽水電站泄洪閘預應力閘墩這一工程實踐，採用國際上已成熟的有限元方法，合理地建立了預應力閘墩的三維有限元模型，該模型可方便地按預應力錨索的點位施加錨索預張拉力，考慮了可能發生的多種荷載工況組合，並與無預應力閘墩結構進行了對比分析研究，指出其預應力效果是明顯的，可以大大改善閘墩結構的受力狀態，通過三維有限元分析，還得到了胸墻簡支、固端不同情況下的應力成果和各荷載下的位移成果，這些成果的取得對預應力閘墩的設計具有一定的指導和參考價值。
  9. Finite tension element analysis of post tensioning prestressed concrete hollow slab

    后張法預應力混凝土空心板梁張拉有限元分析
  10. Prestressed concrete slab - column structure has been widely used in long - span and multistory building. there are four commonly used analysis methods for slab - column structure, which are direct design method, equivalent frame method, plasticity method and finite element method

    預應力混凝土板柱結構在大開間的多層及高層建築中得到了廣泛的應用，其設計方法有直接設計法、等代框架法、塑性分析法和有限元法等多種方法。
  11. Combined with the full scale models tested in - situ of prestressed concrete penstock with double circle unbonded strands and single circle bonded strands of xiaolangdi multipurpose dam project of yellow river, the advantages and disadvantages of two different prestressed systems are analyzed, the concrete stress distributions of the prestressed concrete penstock are induced and summarized during the whole tensioning strands stage. the consistence among the test results, the theory calculating and the three dimensional finite element analysis is proved. therefore, the theoretical method of prestressed concrete penstock is feasible

    結合黃河小浪底水利樞紐工程在施工現場進行的採用雙層雙圈環形無粘結預應力鋼絞線和單圈有粘結預應力鋼絞線對排沙洞襯砌混凝土施加預應力的1 ： 1模型試驗，對比分析了兩種后張預應力施工體系的優劣，歸納總結了預應力筋束張拉過程中預應力混凝土壓力管道結構管壁混凝土的內力分佈規律，驗證了模型試驗實測數據、理論計算和三維有限元分析結果的一致性，確定了預應力混凝土壓力管道理論計算方法的可行性。
  12. 4. combined with the design of the three gorges prestressed concrete penstock with steel liner in the three gorges power. station, the consistence among the results of theory calculating, the analysis of plane finite element and three dimensional finite element is proved, the concrete stress distributions of the prestressed concrete penstock are analyzed with different steel liner thicknesses, different crack resistances, different concrete thicknesses and different initial radial gaps between steel liner and concrete. the feasibility of the design method of prestressed concrete penstock with steel liner is proved

    結合三峽電站鋼襯預應力混凝土聯合受力壓力管道的設計方案選擇及論證分析，對比分析了鋼襯預應力混凝土壓力管道理論計算、平面有限元和管壩整體三維有限元分析結果的一致性，確定了管道結構在不同鋼襯厚度、不同抗裂度要求、不同外包混凝土厚度及不同鋼襯與管壁混凝土間初始徑向間隙等因素影響下的內力分佈規律，驗證了鋼襯預應力混凝土壓力管道的設計方法。
  13. Parameter analysis, 3d nonlinear finite element program and experimental study are carried out to discuss the prestressing effects in terms of ultimate flexural strength, deflection, cracking moment, the redistribution of internal force, the stress increment of prestressed tendons, and the slip at the interface of prestressed steel - concrete composite continuous beams

    本文通過參數分析、 ansys三維有限元非線性分析、模型試驗等研究方法，著重探討了抗彎承載力、撓度變形、開裂彎矩、內力重分佈、預應力筋應力增量、組合界面滑移等方面的預加力效應。
  14. Finite element method for prestressed concrete plane frame structures

    預應力混凝土平面桿系結構的有限元方法
  15. Finite element analysis to crack - resistance behavior of prestressed concrete block masonry

    預應力混凝土砌塊砌體抗裂性能的有限元分析
  16. Finally, the design and calculation method of prestressed anchor cables of anti - slide piles is studied. on basis of foundation coefficient method and finite element method, the anti - slide piles are dispersed to be rod element

    最後，基於地基系數法和有限桿單元法，建立了預應力錨拉抗滑樁分析計算模型，並編制了計算程序。
  17. Secondly, the foundation coefficient method, which is the calculation method of anti - slide piles, is simulated by finite element method. the large scale finite element software ansys is adopted to establish finite element model of anti - slide piles and prestressed anchor cables

    其次，對現行的抗滑樁計算方法的地基系數法進行有限元模擬，使用大型有限元軟體ansys ，建立抗滑樁和預應力錨索的有限元模型，利用彈簧模擬巖土體對樁的作用。
  18. Considering the behaviors of unbonded prestressed concrete beams and steel reinforced concrete columns, a kind of nonconforming beam - column element was constructed and the analysis precision was improved. loading and reloading paths were introduced into the constitutive relationship of concrete. it is helpful to the analysis program to trace the full - range mechanical behavior of structures including the descending part and the hysterisis characteristic under cyclic loading

    考慮無粘結預應力混凝土梁、型鋼混凝土柱等結構構件的受力特點，構造非協調樑柱單元，提高了分析精度；混凝土的本構關系中，引入卸載路徑和再加載路徑，使得分析程序可以追蹤包括下降段在內的結構全過程力學行為，以及反復荷載下結構的滯回特性。
  19. According to the loading characteristics of bonded post - tensioned prestressed concrete frames, a program is worked out to perform a nonlinear finite element analysis for the static staff in both the stretching wire stage and the loading stage

    摘要根據后張有粘結預應力混凝土框架結構的受力特點，編制了適用於預應力建立和施加外荷載兩個階段的靜力桿件非線性有限元分析程序。
  20. Nonlinear finite element modeling of simply supported bonded prestressed concrete beams

    有粘結預應力混凝土簡支梁的非線性有限元分析
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