prestressing tendon 中文意思是什麼
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Thus the use of these coefficients makes it easy to account for the variation in the prestressing force along the tendon.
因而，應用這些系數使得易於考慮預加力沿鋼筋的變化。 -
The author redesigned the common concrete beams and carried out a comparative analysis to the existing beams according to the specification for design of reinforced concrete and prestressed concrete highway bridges and culverts ( jtj023 - 85 ), the specification for design of reinforced concrete and prestressed concrete highway bridges and culverts ( informal version for advices ) and relevant rules of its matching stipulations, light aggregate concrete bridge technology stipulations ( ( informal version for advices ) and on the basis of prestressed concrete theory. the thesis emphasized on the research of the variation of the concrete, prestressing tendon quantities, their spans, beams " height and their rigidity of both the designed beams and the existing beams, and obtained the quantitative results from above research
採用hslc置換梁體中的普通混凝土，並運用預應力混凝土理論，依據《公路鋼筋混凝土及預應力混凝土橋涵設計規范》 （ jtj023 - 85 ） ， 《公路鋼筋混凝土及預應力混凝土橋涵設計規范》 （徵求意見稿）和與之配套編制的《輕骨料混凝土橋梁技術規程》 （徵求意見稿）的有關規定，對上述普通混凝土梁進行了重新設計並與既有梁進行了對比分析，得出了設計梁與既有梁在混凝土及預應力筋用量、跨度、梁高以及剛度等方面的變化情況，得到了定量結果。 -
A computer program is also presented on calculating the instantaneous prestress losses and the tension value of prestressing tendon, which can be used conveniently in design or in construction
本文編制了計算預應力摩擦損失、錨固損失和張拉伸長值的程序，能夠在設計或施工中很方便地使用。 -
Theoretical formulae are given to precisely calculate the instantaneous prestress losses of prestressing tendon with many waves curve. the formulae are very practical. it is more general than that proposed in current codes
本文提出了精確計算多波曲線預應力筋摩擦損失與錨固損失的理論公式，該公式非常實用，較現行規范中所提供的公式更具有通用性。 -
Firstly, the domestic researches, which have been reported, are introduced. then the characteristic of the system in estimation of prestressing losses is analyzed by theoretical method, and the reasons that the elimination of tendon is large and test results are not consistent are pointed. using fem software ansys, anchorage zone of pylon are analyzed
論文首先介紹了國內現階段對該問題的一些研究成果，然後從理論上分析了小半徑大噸位環向預應力體系在計算預應力損失方面的特點和造成張拉伸長量偏大且實測的數據離散性較大的原因，並採用國際權威的有限元分析軟體? ? ansys從理論上進行分析和索塔錨固區最不利節段的足尺寸模型試驗進行校驗。 -
With the improvement in prestressing tendon strength, variations in deformation patterns of rebars, and the necessity of bond deterioration in earthquake - resistant designs, the bond anchorage between reinforcement and concrete has become an increasingly acute issue
摘要隨著預應力鋼筋強度的提高及鋼筋外形的變化，加之抗震設計必須考慮的黏結退化，鋼筋與混凝土之間的黏結錨固問題愈顯突出。 -
In the last part, we researched the bending strength of post - tensioned and cohesionless cfrp tendon concrete beams. in this part we summarized the performance of bearing, deflection and crack of the beams. at the same time, we introduced the research about the anchorage device and the prestressing loss
另外，在試驗分析的基礎上，我們運用有限元分析軟體ansys對碳纖維塑料筋普通混凝土梁在三分點豎向荷載作用下的受力狀況進行了模擬，得出了詳細的計算結果。 -
In this paper, the best reinforcement scheme, which was found by nerve network and genetic algorithm from serval reinforcement schemes, was applied to strengthen a prestressed concrete continuous rigid fame bridge with many quanlity faults, such as excess fall deflection of the main span deck > serious web slop crack existing between main pier abutment and one fourth span, and very poor mud jacking quanlity in the prestressing tendon tubs
本文針對某預應力混凝土連續剛構橋所存在的實際問題：如主橋橋面下撓度過大；主墩和四分之一跨徑處均存在較嚴重的腹板斜裂縫；預應力管道壓漿質量較差等。提出了幾種加固方案，並用神經網路和遺傳演算法進一步優化出了較佳的加固方案，進行了加固前後效果對比分析。 -
The instrument has been applied to spot construction for the first time on the construction site of commanding and dispatching center of channeling water from huanghe river in wanjiazhai of shanxi. digital and sensing technology is employed to accomplish the dual open loop control over the tension of prestressing tendon. because the traditional technology of prestressing construction is improved, construction accuracy and efficiency are greatly rais ed
智能預應力張拉儀是能與普通張拉設備配套重復使用的智能化顯示與控制儀表，是本課題組研製的專利產品，本文首次在山西省萬家寨引黃工程式控制制調度中心施工現場將智能預應力張拉儀應用於現場施工中，利用數字傳感技術實現了對預應力筋張拉的雙重開環控制，改進了傳統的預應力施工工藝，大大提高了預應力施工的精度和效率，從而有效地避免了工程事故的發生。 -
Numerical simulation and monitoring of prestressing tendon process
預應力筋張拉過程的數值模擬與監測 -
4. the stress increaseing rule of external prestressing tendon is studied and analyzed. simple calculation method of stress increment of external prestressing tendon is put forward
研究並分析了體外預應力筋的應力增長規律，提出了計算預應力筋應力增量的簡便方法。 -
Been conducted accurately on prestress losses due to friction and due to the deformation of ahchorage devices and on interrelation between the different prestressing tendon during the course of tension. digital and sensing technology was first utilized to carry out the investigation on the influence of fluctuations of temperature on prestress. it is concluded that prestressing construction of reinforced concrete frame structure of high building without taking the effect of temperature into account simply could n ' t satisfy the requirement of quality criteria in force
本文對預應力摩擦損失、錨固損失以及不同的預應力筋在張拉過程中的相互影響進行了精確的現場試驗研究，首次利用數字傳感技術完成了溫度變化對預應力影響的研究；得出了在高層鋼筋混凝土框架結構施工中，不考慮溫度影響的預應力施工，根本滿足不了現行質量標準要求的重要結論。
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