给出了无粘结预应力混凝土梁强度和受力性能的分析结果。
The analytical results for strength and behavior of unbonded prestressed concrete beams were presented.
利用船体梁强度的单调退化特性，确定在设计寿命内船体强度的最小值。
Using the property of the monotonic degradation of the ship hull strength with time, the minimum value of the ship hull strength in the design lifetime can be easily determined.
本发明涉及一种增加变形梁强度和使用寿命的结构及其应用，属于微电子机械系统(MEMS)领域。
The invention relates to a structure for increasing strength and service life of a deformable beam and an application thereof, belonging to the field of micro-electronic mechanical system (MEMS).
在弹性条件下，对锚栓钢板梁底面布置及梁侧面布置两种加固方式进行了滑移效应的理论推导，得出了滑移效应对梁强度及刚度的影响算式。
The slip effect of bolting bottom face and side face plate of RC beam is derived under elastic condition and its influence on strength and rigidity of RC beam is obtained.
但是在2008年，公司发现内部机身结构与机翼结合处的787的碳素纤维“翼盒”，强度不够并且需要金属翼梁的加固。
But in 2008, the firm found that the 787's carbon-fibre "wingbox", the internal fuselage structure the wings attach to, was not strong enough and needed stiffening with metal spars.
我们建议在保证结构强度的前提下采用多孔梁以整合管线布置，能够更有效的释放空间高度。
We suggest that under the premise of structural strength, using porous beam to integrate pipeline layout in order to release space height effectively.
计算结果指出：门机结构总体应力水平较低，其严重受力件主梁具有较大的强度富裕度，不必更换。
The results show that the crane is unnecessary to replace for its low total stress level and large strength margin of the main girder (main stressed part).
根据试验数据提出了存在斜裂缝钢筋混凝土梁的抗剪强度折减系数的计算公式。
The formula of reduced shear strength coefficient of RC beams with inclined cracks is put forward to according to the test data.
结果表明，高强次轻混凝土梁比轻集料混凝土梁的抗剪承载力有较大的提高，且比普通混凝土梁的抗剪强度大；
The tests indicated that the ultimate shear strength of it was a little larger than normal-weight concrete beam's, and larger than lightweight concrete beam.
当舰船设有长度较长但开口较多的上层建筑时，其船体结构的复杂性使船体总强度很难用常规的梁理论方法确定。
For a naval ship with a long strength superstructure and a lot of hatch, it is difficult to evaluate the hull girder's strength by general beam theory because of the complexity of the hull structure.
给出了循环弯曲载荷下船体梁极限强度的简化分析方法。
A simplified analysis method for the ultimate strength of ship's hull girder under cyclic bending was proposed.
纯弯段无腹筋的高强轻集料钢筋混凝土梁在破坏时表现出较强的脆性，延性要比同一强度等级普通混凝土梁略差。
And reinforced high-strength lightweight concrete beam is less ductile as compared with the normal-weight concrete beam of the same concrete strength.
根据递增塑性破坏的强度准则，详细讨论了循环弯曲载荷下船体梁的非弹性变形性能。
Based on the strength criterion of the incremental plastic collapse, the inelastic deformation behavior of a ship's hull girder under cyclic bending loads was discussed in detail in this paper.
本文就钢筋轻骨料混凝土梁的抗剪强度计算问题进行了论述。
This paper deals with the calculation of the shear strength of reinforced lightweight concrete beams.
这是因为完善的结构设计是与船体梁的真实强度储备紧密地联系在一起的。
This is because that the perfect construction design is closely associated with the true strength store of the ship girders.
研究了加肋腹板连续组合梁的横向连接刚度和强度。
The strength and stiffness of continuous composite beams with stiffened web are investigated.
介绍了等强度梁动应变冲击试验测试仪器的控制系统设计和其中一些关键技术。
The design of dynamic strain impact testing apparatus of beam with equal strength and some important technique are introduced.
将箱型梁分解成薄板结构，应用简单的强度与材料关系，导出箱型梁的薄膜方程。
A box girder was decomposed splint constructions and simple strength of material relations was used to derive membrane force equations.
结果表明，采用纤维对钢筋混凝土梁进行剪切加固后，其抗剪强度明显提高，但对梁的刚度和变形影响较小。
The results show that RC beams strengthened by CFRP or GFRP can increase the shear bearing capacity of the beams, but has little effect on the beam stiffness.
船体梁的总纵强度是反映船舶结构安全可靠的最基本的强度指标。
The longitudinal strength of a ship's hull is the most fundamental strength for ship structures.
研究结果表明门机结构总体应力水平较低，严重受力件主梁具有较大的强度富裕度，可以保证超期服役的安全性。
The research shows that stress level of the crane structure is low and crane girder has large enough strength margin to assure the safety of using crane under extended service.
试验表明用预应力碳纤维布加固梁，能充分利用碳纤维布强度，改善了梁的结构性能，加固效果显著提高。
Test data indicate that the strength of CFRP can be fully used to improve structure performances of beams, and that this technology has very good strengthening effects.
给出了不同材料强度的无粘结预应力混凝土(upc)梁抗弯强度和结构性能的分析研究结果。
The results of analytical investigation on the flexural strength and structural behavior of unbonded prestressed concrete (UPC) beams with various material strengths were presented.
采用等强度梁、挠度计、并联电阻箱、电位差计等测定电阻应变计的灵敏系数是一种常用的方法。
Shunting resistance box is a commonly used method in the determination of the sensitivity coefficient of the resistance strain gauge with the equal-strength beam aparatuses.
在英国，为了加固楼板的支承梁并加强其强度，通常在楼板梁之间安装一定间隔的剪刀撑。
In order to stiffen floor joists and add to their strength, it is normal in Britain to fix strutting between hem at regular intervals.
结合某用钢纤维增强钢丝网混凝土建造的桥梁，进行了钢纤维增强钢丝网混凝土t形梁的正截面强度及裂缝计算。
To counter a bridge constructed with steel fiber reinforced ferroconcrete, the calculation of bending strength and crack of steel fiber reinforced ferroconcrete t beam has been accomplished.
基于现代不确定度理论，探讨了高精度等强度标定梁的优化，确定了最佳设计方法和设计参数。
According to the theory of uncertainty, optimization on the highly accuracy equal strength beam for calibration has been investigated. The optimum design method and parameters have been determined.
分析无粘结预应力混凝土梁桥的主要困难，在于构件的截面强度和构件整体变形耦合。
The main difficulty in analysis of unbonded prestressed concrete beam bridge is the coupling between the sectional strength of member and the whole structural deformation of member.
梁翼缘处的焊缝强度是决定狗骨式刚性连接节点性能的主要因素，只有具有良好的焊缝质量才能发挥狗骨的作用。
The welding seem stress of beam-flange is the major factor which decides the behavior of dog-bone style rigid joint and only the better welding can exert the function of the dog-bone.
梁翼缘处的焊缝强度是决定狗骨式刚性连接节点性能的主要因素，只有具有良好的焊缝质量才能发挥狗骨的作用。
The welding seem stress of beam-flange is the major factor which decides the behavior of dog-bone style rigid joint and only the better welding can exert the function of the dog-bone.
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