unbonded 中文意思是什麼

unbonded 解釋
無束縛的
  1. In this thesis, behaviors of unbonded prestressed concrete slabs including 4 simply - supported slabs and 9 continuous slabs are investigated under fire, based on the elevated temperature curve accord to the iso standard fire curve

    本文採用標準升溫曲線，對4塊簡支板及9塊連續板分別進行了火災行為的試驗研究。
  2. This paper demonstrates ultimate stress increment of unbonded tendons can be composed of approximate elastic deformation along the elements and local plastic deformation by nonlinear analysis on the unbonded partially prestressed concrete continuous structures. referring to the rule of ultimate stress increment of unbonded tendons at every load case, a regression formula of ultimate stress increment of unbonded tendons based on elastic - perfectly plastic model has been presented for engineers to calculate ultimate stresses of unbonded tendons in prestressed concrete multi - span continuous structures

    考慮在各種荷載工況作用下無粘結筋極限應力增量的變化規律，並與理想的彈塑性模型相比較，最終得出以理想彈塑性模型計算各種荷載工況作用下無粘結筋極限應力增量的回歸公式，從而為預應力混凝土多跨連續結構的無粘結筋應力設計計算提供有益的參考。
  3. Ultimate stress increment is a hotspot problem in theory of unbonded partially prestressed concrete structure, however, according to design critera and the art of the state on this issue around the world, it is still not considered in reason that ultimate stress of unbonded tendons in prestressed concrete multi - span continuous structures varies with load cases

    無粘結筋的極限應力增量一直是無粘結預應力混凝土結構理論中熱點問題，而從目前各國的設計依據及研究現狀來看，還沒有合理考慮多跨連續結構的無粘結筋極限應力隨荷載工況變化的情況。
  4. This article provides the reference for the application of partially prestressed concrete frames with unbonded tendons in earthquake area

    本文的研究為無粘結部分預應力混凝土框架在地震設防區域的應用提供參考。
  5. In earthquake area, many engineers used concrete structure with unbonded tendons. but people still has lots of different opinions about its seismic behaviors

    無粘結預應力混凝土結構在地震設防區域的應用越來越廣泛，但對其抗震性能的認識存在較大的分歧。
  6. 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。
  7. According to hysteretic properties under low - cyclic loading and some other suggestions, the moment - curvature restoring force computation model of unbonded partially prestressed concrete section, which considering the ppr, is given

    此外由於施加了預應力，使得該結構具有良好的恢復力特性。本文還根據試驗結果和相關參考文獻提出了考慮不同預應力度的預應力扁梁截面彎矩?曲率恢復力計算模型。
  8. The low - cyclic reversed loading tests of two unbonded partially prestressed concrete frames with different ppr have been carried out. the aseismic behaviors are analyzed and compared, with emphases on failure mechanism, hysteretic property, displacement ductility, energy - dissipation capacity as well as stiffness degeneration, etc. the results show, when designed rationally, the unbonded partially prestressed concrete frames can form beam hinge energy - dissipation machine and total destroy mechanism

    通過兩榀不同預應力度的無粘結部分預應力混凝土扁梁框架結構的低周反復荷載試驗，分析研究了無粘結部分預應力混凝土扁梁框架結構的破壞形態、滯回特性、位移延性、耗能能力、承載力及剛度退化等抗震性能。
  9. The experimental component design of unbonded prestressed concrete slab under fire

    無粘結預應力混凝土板火災試驗構件設計
  10. The prime works are as follows : strain and stress distribution of section was analyzed. the effect of prestress degree. on cracking moment was explored. the relation of the unbonded prestress increment to effective reinforcement index and corresponding bonded prestress increment were studied. the formulae had been established

    其次，設計了三根活性粉末混凝土無粘結預應力疊合梁，兩點對稱集中加載、一次受力，得到了它們的截面應變分佈、撓度與變形、無粘結預應力鋼絞線的預應力增量、裂縫的發展與分佈以及極限荷載。
  11. Based on analyzing causes of formation of system error, random error and gross error, together with their influences to observation values, method that examine whether there is system error in apparatus by using temperature values of unbonded elastic wire resistance type meters is studied

    在對系統誤差、隨機誤差、過失誤差成因及對監測數據的影響分析基礎上，研究了利用差動電阻式儀器的伴測溫度測值來檢驗儀器是否存在系統誤差的方法。
  12. Reaction powder concrete has a lot of excellent mechanics properties. in this thesis, it was applied in three unbonded prestressed composite beams. the performance of these beams are studied

    活性粉末混凝土（ rpc ）作為混凝土家族中最優秀的一員，現階段對它的研究主要限於材性試驗方面。
  13. Research and application of unbonded prestress technology in sewage sedimentation tank

    污水沉澱池無粘結預應力技術研究與應用
  14. 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。
  15. In a big cantilever overhung structure, unbonded prestressing concrete technology can increase the stiffness of reinforced concrete brace, decreases the de - formation, cut down the column section area, save the cost, solve the difficult problems during the process of design and construction and also enlarge the range of unbonded prestressing concrete technology

    摘要在大懸臂懸挑結構中，利用無粘結預應力施工技術，提高鋼筋砼支撐的剛度，減小變形，減小柱截面面積，節約造價，解決了設計、施工中的難題，擴大了無粘結預應力技術的應用范圍。
  16. The calculation for equivalent load of unbonded prestressed continuous slab

    無粘結預應力連續板中等效荷載的計算
  17. Complicated hydrologic and geographic conditions, and the large scale of the xiaolangdi hydraulic project on the yellow river are introduced briefly. three desilting tunnels are designed to meet the requirements of flood control, sediment discharge and runoff regulation. according to the performance requirements of desilting tunnels, the tunnel lining down - stream of the grouting curtain is designed to be post - tensional prestressed lining. on the basis of investigation and research, experiements and analysis, the unbonded prestressing system is used. it is the largest unbonded prestressed tunnel lining project in the world, and the first one in china

    簡介黃河小浪底水利樞紐復雜的水文、地質條件以及龐大的工程規模.該樞紐設計有3條排沙洞，擔負著泄洪、排沙、調節徑流和保證進水口不被泥沙淤堵的任務.根據排沙洞的水庫運用要求，灌漿帷幕下游排沙洞洞身段設計為混凝土后張預應力隧洞.通過大量的調研、試驗、分析論證，在施工前確定該預應力方案選用無粘結預應力系統，成為目前世界上規模最大的無粘結預應力隧洞襯砌工程，在國內尚屬首例
  18. 1. method that controls quality of field observation values of unbonded elastic wire resistance type meters is studied. methods that examine system error of different types in observation values are discussed

    主要研究內容如下： （ 1 ）研究了差動電阻式儀器現場觀測值的質量控制方法；探討了對監測數據中不同類型的系統誤差進行檢驗的控制圖法和連檢定法。
  19. In engineering construction, the unbonded tendons can be laid within moulding board like non - prestressed steel according to the designing requirements and can be tensioned and anchored when the concrete reaches designing strength

    在施工時，無粘結筋可如同非預應力鋼筋一樣，按設計要求鋪放在模板內，待混凝土達到設計強度要求后，再張拉錨固。
  20. Corrosion - resistant and lubricating grease specialized for unbonded tendons

    無粘結預應力筋專用防腐潤滑脂
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