prestressing 中文意思是什麼

prestressing 解釋
強壓(拉、扭)處理
  1. Additional concentric prestressing was required in the pier.

    墩內要求另加集中壓力。
  2. Anchorage, grip and coupler for prestressing tendons

    預應力筋用錨具夾具和連接器
  3. Suitable calibrated dynamometers were used to control the pull in the prestressing cables.

    用合適的標定過的量測計控制預應力鋼索的拉力。
  4. The concrete is subject to high compressive stresses and these are generally greatest when the prestressing is first applied to the concrete.

    這種混凝土要承受高的壓縮應力,而壓縮應力一般在混凝土初次施加預應力時最大。
  5. The dimensions or prestressing force and eccentricity require modification.

    尺寸或預加力和偏心需要修改。
  6. In order to considering the affections of the adjacent zone out of the girdler section, the internal - forces of two end surface which were obtained by the horizontal shaft system analysis are exerted on each model respectively. moreover, the weight, cable force and prestressing forces including girder longitudinal, diaphragm transverse and inclined web vertical directions are considered

    考慮到梁段以外附近區域的作用,在其兩端面上施加了由平面桿系結構分析所得的端面內力,另外,索力和預加力(梁縱向、橫隔梁橫向、斜腹板豎向)也施加在相應的位置,分析了箱形主梁在自重、索力和預應力作用下的空間應力效應。
  7. Grout for prestressing tendons. test methods

    預應力鋼筋混凝土構件用泥漿.試驗方法
  8. Combined body suit and half cup to one, utilized the principle of prestressing force, cooperated with human body six - circulating design, centered and raised the breasts without shoulder belt auxiliary, designed pretty - back, suitable for dressing dinner suit, create a beautiful figure

    結合露得美與半杯胸罩成為一體,利用預支預力原理,配合人體六大排動設計,在無肩帶的輔助也能將胸型托高與集中,後部採用美背式設計,適于搭配穿著晚禮服使用,展現身材曲線美。
  9. Steel products - prestressing steels - part 2 : wire

    鋼製品.預應力鋼.第2部分:鋼絲
  10. After closure, continuity prestressing tendons would be provided in the bottom of the box.

    合攏以後,箱梁底部布置有連續的預應力筋。
  11. Later other prestressing methods with parallel wire or strand tendons were also used.

    后來,又使用其它的預應方法,如利用平行鋼絲或鋼絞線施加預應力。
  12. 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。
  13. Calculation methods for the ultimate stress and effective height of external prestressing tendons

    體外預應力筋極限應力和有效高度計算方法
  14. The study in the paper starts with beam distortions, and it treats the plastic deformation area as pure bending sect, rest of the beam as rigid bodies. according to different shapes of the external tendons, it divides into three structural forms familiar in projects, that is the beams with no deviator, with a deviator and with two deviators, and studies the relation between the deformation of the external prestressing tendons and that of the beams, and derives the formulas of the ultimate stress increment of external tendons. in the formulas, the ultimate angle corresponding to half of the plastic deformation area is considered as a variable parameter

    本文首先從梁極限狀態下的變形入手,將塑性鉸區看作純彎段,將塑性鉸以外的區域看作剛體,按照體外預應力筋的形狀不同,分工程中最常見的三種體外結構形式,即無轉向塊的直線型體外筋混凝土梁、具有一個轉向塊的單折線型梁和具有兩個轉向塊的雙折線型梁,研究體外預應力筋變形和梁體的變形間的關系,推導出以極限狀態下塑性鉸區之半對應的轉角為參數的計算體外預應力混凝土簡支梁以及連續梁的體外筋應力增量計算公式,並進一步求得梁的極限承載力。
  15. The construction execution of prestressing work has many advantages such as : dry - work, rapidity, no organic adhesion agent, small space to be taken, the high efficiency of strengthening, so this way can be applied in the structures which request to improve bearing capacity largely and take small space after strengthening as well as other structures which will work in long time and in high temperature

    預應力加固過程是干作業,施工速度快,不使用有機粘結劑,加固后佔用空間小,加固效率高,適用於要求大幅度提高承載力及加固后佔用空間小的混凝土結構,也適用於要求施工速度快,加固后使用年限長,工作環境溫度高的結構。
  16. Specification for hot rolled and hot rolled and processed high tensile alloy steel bars for the prestressing of concrete

    混凝土預加應力用熱軋和熱軋並處理的高抗拉強度的合金鋼筋規范
  17. In this test, a special bolt - jack is used to exent of prestressing force to brace angles as the whole structure is under dead - load. in this state brace angles withstand partly load before twice - load and the stress and strain of concrete are decreased. in this way the aim of removal of load and strengthening can be reached

    本試驗中採用專用螺栓千斤頂在恆定荷載水平下對混凝土柱角鋼撐桿施加預壓應力,使外包角鋼在二次受力前即分擔部分荷載,使混凝土應力水平和應變水平降低,達到卸載與加固同步進行的目的。
  18. This paper sets up a fuzzy optimum math - model of the prestressed degree for prestressing bundle disposition of prestressed concrete continuous beam bridges, which is transformed into a clear math program by - level cut - set. by the solution of the clear math program, a succession of reasonable prestressing moments can be obtained. then it is convenient to dispose the prestressing system by only taking account of geometric factors of all controlling sections. based on this, a theory of automatic disposition of the prestressing bundles is proposed and an engineering example is given to demonstrate it

    建立預應力混凝土連續梁橋預應力度的模糊優化問題,按-水平截集解法,將模糊優化問題轉化為確定性的數學規劃問題.求得一較合理的消壓彎矩后,只需按控制截面的構造進行預應力體系設計.在此基礎上提出了配束自動化的基本思想,並以一實例說明其理論應用
  19. Abstract : this paper sets up a fuzzy optimum math - model of the prestressed degree for prestressing bundle disposition of prestressed concrete continuous beam bridges, which is transformed into a clear math program by - level cut - set. by the solution of the clear math program, a succession of reasonable prestressing moments can be obtained. then it is convenient to dispose the prestressing system by only taking account of geometric factors of all controlling sections. based on this, a theory of automatic disposition of the prestressing bundles is proposed and an engineering example is given to demonstrate it

    文摘:建立預應力混凝土連續梁橋預應力度的模糊優化問題,按-水平截集解法,將模糊優化問題轉化為確定性的數學規劃問題.求得一較合理的消壓彎矩后,只需按控制截面的構造進行預應力體系設計.在此基礎上提出了配束自動化的基本思想,並以一實例說明其理論應用
  20. Steel for the prestressing of concrete - part 2 : cold - drawn wire

    混凝土預應力鋼筋.第2部分:冷拉鋼絲
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