pretensioning 中文意思是什麼
pretensioning
解釋
先張技術-
Pretensioned space lattice structure is a new kind of space structure which develops very fast in recent years. through taking the pretensioning with tendon, the space lattice structure could effectively improve the weight of bearing, control the distortion of the structure, minimize the cost of the engineering
拉索預應力空間網格結構是近幾年發展比較快的新型空間結構體系。在空間網格結構中通過拉索引入預應力，能夠有效地提高結構承載力。控制結構變形，降低工程造價。 -
Prestressed concrete sleepers - pretensioning type
預應力混凝土軌枕.預拉伸型 -
Application of mathematic and physical statistic theory in pretensioning prestressing beam construction
數理統計原理在先張法預應力梁施工中的應用 -
One - time pretensioning analysis method for prestressed space truss
預應力空間網架結構一次張拉計演算法 -
The article analyses negative effects of pretensioning for underground structure on waterproof coated membrane and introduces the way of treatment and quality control measures taken
分析了地下工程結構預應力張拉對塗膜防水層的負面影響，介紹了採取的有針對性的處理方法以及保證防水施工質量的控制措施。 -
The program fearpv is applied to analysis the sealing structure of the pressure vessel model during the total process, including bolt pretensioning process, heating and compression process, thermostated heating and constant pressure process, and the cooling and decompressing process
應用反應堆壓力容器瞬態密封有限元分析程序對反應堆壓力容器模擬體密封結構進行了螺栓預緊、升溫升壓、恆溫恆壓、降溫降壓等全過程分析。 -
The program fearpv is applied to 3 - d transient sealing analysis of nuclear pressure vessel during the total process, including bolt pretensioning process, heating and compression process, thermostated heating and constant pressure process, and the cooling and decompressing process. according to the analysis and computational results in this thesis, although the actual structure and work conditions of the pressure vessel in nuclear power station are much more complex than that of the pressure vessel model, the program fearpv still can get quite good convergence on the plasticity and
由本文分析計算可知，雖然電站核壓力容器的結構及計算工況較壓力容器模擬體復雜得多，然而反應堆壓力容器瞬態密封有限元分析程序對塑性迭代和接觸迭代仍具有很好的收斂性，數值穩定性好，得到的結果具有良好的規律性，在升溫、升壓、恆溫、恆壓、降溫和降壓等過程中其規律和壓力容器模擬體基本相似。 -
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
當單根桿件施加預應力、多根桿件施加預應力、同一桿件各股分別施加預應力以及分級分批施加預應力時，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力和變位及其變化規律，並可一次性地完成預應力施加工作。
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