Pre-stress must be inflicted during the cable net construction.
索网在建设时必须施加预应力。
The initial pre-stress variation in structure had no heavy influence.
结构本身初始预应力的变化对结构的动力响应没有太大的影响。
Optionally the reinforcement may be tensioned, to pre-stress the bond beam.
可选择地，加固 件可以被张紧以对结合梁施加预应力。
Based on the elastic theory, the establishment of super-long tubes of ring pre-stress was studied.
基于弹性理论，对超长筒体结构中环向预应力的建立与分布进行了研究。
It is founded that the size of curvature difference envelop curve can detect that of pre-stress losses.
发现可以通过模态曲率差的包络图面积，较好的反映出预应力损失程度的大小。
Setting miniature pile can efficiently control ground surface settlements, however, adding pre-stress influences it a little.
设置微型桩可以有效控制坡顶沉降，而施加预应力对坡顶沉降的影响很小。
The paper provided with a method to calculate the pre-stress loss caused with systolic stress in the outside of pre-stress force.
本文针对体外预应力混凝土简支梁的受力、变形特点，提出了计算体外预应力结构中收缩徐变产生的预应力损失的基本方法。
The pre-stress is an important parameter of the bolt support and would have an important influence to the mine roadway support effect.
预应力是锚杆支护中重要的参数，预应力对巷道支护效果有重要影响。
Based on analyzing the relations of degree of pre-stress to stress, deflection and crack of concrete beam, a design method is pro-posed.
在详细分析了预应力度同梁的应力、位移、开裂的关系的基础上提出了部分预应力混凝土梁的设计方法。
The initiation voltage of short circuit treeing after the positive and the negative dc pre-stress increase by 26 8% and 36 3% respectively.
在正负极性直流预压短路树枝试验中，分别提高试样短路树枝起始电压26 8%和36 3%。
Moreover, on fatigue tests, effective long-term loss of pre-stress was measured by using the self-made pre-stress loss measuring instrument.
另外，在疲劳试验中，对有效预应力长期损失采用自制预应力损失量测仪进行量测。
The invention relates to the concrete and pre-stress concrete beam with transition area, which provides a concrete structure of civil engineering.
带过渡区的混凝土及预应力混凝土梁，它涉及一种土木工程中的混凝土结构。
When the axial static pre-stress is a constant, the impact compressive strength increases with an exponential function as the strain rate increases.
相同轴压下，冲击强度会随着应变率的增加而增加，呈现指数函数关系。
The results show that with the pre-stress growing, the structural displacement peak decreases, while the structural inner force change peak differ little.
参数分析结果表明，随着预应力的增大结构的位移峰值减小，而内力变化峰值相差不多。
The stress of anchors and concrete which bears huge pre-stress under anchors is relatively well-distributed or not, that is measure criterion of anchorage.
锚具及锚具下部锚固体的应力分布是否相对均匀合理并且不会产生较大的应力集中，成为衡量锚固体系各部分结构是否合理的检验标准。
The distribution of pre-stress in the multi-layer structure is related to the global and local rigidity, the contact area and the clearance of superimposition.
结构内部的预紧力的大小和分布与结构的整体刚度、结合部位的局部刚度、过盈配合间隙、接触面积等因素有关。
Transverse pre-stress steel wire is set in order to advance the transverse rigidity of the deck and improve the stressed state of the cellular slab and the deck.
利用设置桥面横向预应力的技术，增强桥面的横向联结刚度，改善空心板梁与桥面板的共同受力性能。
By utilizing theory of elastic mechanics, this paper conducts circular compensator stress analysis. Research gives a calculation method of best pre-stress value.
本文利用弹性力学理论，对圆形补偿器进行应力分析，研究预加应力最佳值的计算方法。
The system is different from other systems can be applied to any product in the preparation of pre-stress model procedures for the importation into the computer.
本系统不同于其它系统，可将适用于任何产品的各种压力模式预先编制成程序输入计算机中。
The key of device of the GMM structural design of micro-feeding was the design of magnetic field structure, temperature-controlled structural, pre-stress and sensor.
GMM微进给装置结构设计的关键在于磁场结构设计、温控结构设计、预压力设计和传感器设计四个方面。
This paper states of the development and application prospect of high-strength concrete and wire, strand and pre-stress technology in the field of bridge engineering .
预应力技术在桥梁工程中的应用很多，随着高速公路的大规模建设，出现的质量问题和裂缝病害也不断增多。
With optimization of pull cables and element sections as design variables, an optimization model and design approach for pre-stress space tress structures were obtained.
文中以拉索张力和杆件截面为设计变量，提出了预应力网架结构的优化模型，并给出了具体的优化设计步骤。
With the pre-stress in the membrane increasing, the wrinkle quantity increases, but the wrinkle amplitude drops. The flatness of the membrane surface increases a little.
随着膜面预应力的增大，膜面上的褶皱数略有增大，褶皱幅度有所减小，膜面平整度有所提高。
Practice showed that high pre-stress anchored bolt with high strength was effective method for controlling deformation of deep coal roadway with combined roof above gob.
实践证明，高预应力高强锚杆组合的围岩强化控制技术是控制深井厚复合顶板采空区上方煤巷围岩变形的有效方法。
In recent years, remedy of main girder's downward deflection of OTC by pre-stress method has found wide spread application. This is also the common practice iu Wu Hun district.
用预应力法修理桥式起重机主梁下挠，近年来得到了广泛的应用，武汉地区应用亦较为普遍。
The optimal cross-height ratio and the high strength supporting system with the core of high pre-stress could be helpful to control the deformation of surrounding rock reasonably.
留巷断面选择最优跨高比并采用以高初撑力为核心的高强支护体系，能够合理控制围岩变形。
In the condition of eliminating the lagging strain of Angle iron, the magnitude of pre-stress putting on the Angle iron has litter impact on the ultimate bearing capacity of structure.
在消除角钢应变滞后的条件下，对角钢施加预应力的大小对结构最终承载力无明显影响。
To systematically study the whole construction process of pre-stress spatial steel structure, the inverse analysis method based on controlling the initial length of the cable is proposed.
为对预应力空间钢结构的施工成形进行系统的研究，提出了基于控制索原长求解索张拉力的反分析法。
Then, the reinforce project and the stress of the pre-stress cable have been simulated by the UDEC, which have not only good effect but validate the anchorage mechanism in the former chapter.
然后对加固方案和锚索的受力情况进行了模拟分析，不仅加固效果良好，而且也验证了前面章节中锚杆的加固机理。
Then, the reinforce project and the stress of the pre-stress cable have been simulated by the UDEC, which have not only good effect but validate the anchorage mechanism in the former chapter.
然后对加固方案和锚索的受力情况进行了模拟分析，不仅加固效果良好，而且也验证了前面章节中锚杆的加固机理。
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