預加應力 的英文怎麼說

中文拼音 [jiāyīng]
預加應力 英文
prestressing
  • : Ⅰ副詞(預先; 事先) in advance; beforehand Ⅱ動詞(參與) take part in
  • : 應動詞1 (回答) answer; respond to; echo 2 (滿足要求) comply with; grant 3 (順應; 適應) suit...
  • : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
  1. To the particular case under the small eccentricity compression, the method that the angle irons are strengthened on two - sides, but pre - stress is only put one side, can be adopted firstly

    對于較小偏心的特殊情況,宜採用雙側角鋼,單側施的方法。
  2. 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,而壓縮一般在混凝土初次施時最大。
  3. 3 ^ the easiest damage area is outside of the tibial plateau and center and inboard of the complex according to the enlargement of the angle of exstrophy. exstrophy greater than 20 degree is possible critical angel of the beginning of damage and the precaution of complication after osteotomy

    3 、隨膝關節外翻角度增,最易受損傷的部位位於外側勝骨平臺和外側復合體中心和內側,外翻大於20 」可能為外翻破壞和截骨防的臨界角度。
  4. In view of cost, practicability and maneuverability, the special sintering diamond trepanning drill was developed for drilling ceramic composite components originally

    根據復合構件工中的各種缺陷,分析了採用鉆削對改善表面工質量的重要性。
  5. 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
  6. 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,使外包角鋼在二次受前即分擔部分荷載,使混凝土水平和變水平降低,達到卸載與固同步進行的目的。
  7. These materials can not be pretensioned to avoid the slack condition resulting from asymmetrical loadings.

    這些材料不能預加應力以免除由於非對稱載荷所產生的鬆弛。
  8. Requirements for the installation of post - tensioning kits for prestressing of structures and qualification of the specialist company and its personnel

    專家組及其個人的資格評定和構件用后裝備的安裝要求
  9. The springing quantum of the pc beams due to the beforehand stress is only part of that of girder

    混凝土梁施后的起拱只是主梁起拱的一部分。
  10. Not only t he self - weigh of every beam, the prestressing, the compression on the support of form scaffolding, constriction of concrete, creeping are considered when the inter nal force is calculated, but also the result of displacement and deviation of th esupport and precamber should be taken into consideration

    施工階段的內計算不僅考慮逐段施工梁的自重,預加應力,模板支架的支點壓,以及混凝土的收縮、徐變;同時還考慮施工程序,施工中的支座位移、支座偏差和拱度等的影響。
  11. ( 3 ) fem basic theory of foundation pit excavation stimulation is expounded, numerical model and method of construction simulation are determinated, which includes simplification of two - dimension problem and constitutive model of soil mass i. e. constitutive model of duncan - chang hyperbola model, numerical ways of initial situ stress, stimulation of equal nodal load of foundation pit excavation, nonlinear solutions of basic equations, fem disposing of inner supporting and pre - axial force etc. further fem code of stimulation of foundation pit excavation is compiled

    闡述了基坑開挖模擬的有限元基本理論,確定計算模型及施工模擬方法。包括二維問題的簡化、土體的本構模型,即鄧肯-張雙曲線本構模型、初始地場的計算方法、基坑開挖等效結點荷載模擬、基本方程的非線性解法、內支撐及的有限元處理等,並編制了模擬基坑開挖的有限元程序。
  12. On the other hand, for the pre - press stress being threw by the hub was inserted after cooling with liquid nitrogen, the poor transverse tension strength of the multi - ring flywheel rotor could be counteracted. so the rotate speed and energy storage density can be increased efficiently

    而採用多環套裝纏繞技術製造的多層飛輪輪環,在利用溫差過盈裝配方法給復合材料輪環施后,能夠有效避免飛輪轉子的復合材料輪環部分因較低的纖維橫向抗拉強度而破壞失效,從而大幅度提高飛輪轉子的極限轉速和儲能密度。
  13. Secondly, the producing mechanism of crack in reinforced structure and factors which affect crack have been discussed, in the emphasis, the method is expounded, which applies first releasing then resisting, combination of releasing and resisting. in the method, flexible slit is applied firstly, which can make deformation of structure distributed, and decrease deformation energy, then the tiny expansion concrete and prestressed concrete with unbonded tendons are applied. and in the different phase, the compressive prestress is put on the concrete structure

    其次,分析並論述了鋼筋混凝土結構裂縫產生的機理和影響因素,著重闡述了「利用先放后抗,抗放結合,綜合控制」的方法:即首先利用后澆帶,使混凝土結構分段變形,減小超長變形的影響;並採用微膨脹混凝土技術及無粘結混凝土技術,分階段對混凝土結構施一定的,從而減小或完全抵消混凝土結構因混凝土硬化收縮引起的拉;再結合一些其他措施,成功實現鋼筋混凝土結構的超長無縫設計與施工。
  14. Theoretically, it is possible to accelerate water move from outside of cable to inside and therefore to accelerate the cross - linking reaction of silane - g - pe by gradient force of electric field when electric pre - stress is applied in the process of warm water cross - linking of silane - g - pe cable

    由理論分析得知,在硅烷交聯聚乙烯電纜的溫水交聯過程中施,通過電場梯度速水由外向里的擴散遷移進而速交聯反速度是可能的。
  15. Aiming at the drilling defects in engineering ceramics, drilling with compressive pre - stress is proposed

    針對工程陶瓷的孔工缺陷,提出了鉆削法以改善其入、出口的工質量。
  16. It is discovered that the diameters of silicon rubber decrease and the number of silicon rubber increase by the dc electric pre - stress applied during solidifying of silicon rubber - toughened epoxy resins. the effect is independent of the polarity of electric pre - stress, but it is dependent of the intensity of electric pre - stress

    本文通過實驗研究證實:在硅橡膠改性環氧樹脂的固化過程中所施直流導致了固化物中硅橡膠相數量增多、尺寸減小;並且,的這種效的極性無關,但與的水平有關。
  17. Furthermore, the internal forces and displacements when pretensioning the structure can be obtained easily by means of the suggested method under many conditions such as pretensioning a tendon, pretensioning several tendons simulta ? neously, pretensioning one strand in a tendon or pretensioning tendors by stages and in groups

    當單根桿件施、多根桿件施、同一桿件各股分別施以及分級分批施時,採用本文提出的方法可方便求得各工況下預加應力全過程的網架內和變位及其變化規律,並可一次性地完成工作。
  18. Meanwhile, it does not need a extra time to be carried out. it can continuously work during the excavation of trenches, so whole work cycle can be reduced. anchors and layers of shot concrete have replaced the traditional steel frames and piles, including concrete piles, steel piles, and they can largely economize construction materials, such as steel and concrete, reduce the amount of soil that would be excavated out, and improve work conditions

    錨桿施工機械及設備作業空間小,可為各種地形及場地使用,同時,它不獨占工期,而隨基坑開挖同步、流水進行,節約工期;用錨桿及噴射硅面層代替傳統的鋼支撐和樁(硅樁、鋼板樁) ,能夠大量節省鋼材、硅等建材,減少土方開挖量且能改善施工條件;其次錨桿的預加應力可以通過抗拔實驗來獲得。
  19. The tower shafts, most of which are hollow and varying in cross section, and altitudinal construction bring trouble to the form work and the stress of strand wire. and the cracks on the crossbeams will be caused by the following - deformation of the bracing structure joints, elastic deformation , uneven settlement and temperature changes. the additional stress of the base slab and the foundation is caused by the deviation of cable bent tower construction

    但大跨度橋梁混凝土索塔施工設備進場及現場管理都比較困難;塔柱多為空心變截面,且為高空作業,給模板工程及張拉帶來一定困難;支撐系統連接的間隙變形、彈性變形、不均勻沉降以及環境溫差可導致橫梁裂縫;索塔施工偏位會引起的承臺和基礎的附,對勁梁的架設影響大;懸吊結構未完體系(架設時)施工階段的風致振動往往影響到施工的安全和質量;實心塔柱部分體積較大,易產生溫度裂縫。
  20. The concrete can be made stronger by pre - stressing in our factory

    在我們廠里可以使混凝土通過預加應力得到增強。
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