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.
沪闵高架工程预制节段梁采用蒸汽养护的工艺，使混凝土早期强度增长，满足了施工进度要求。
The application of steam curing process for precast segmental beams of Humin Elevated Project has increased the early strength of concrete and met the requirements of construction progress.
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.
含有加劲梁的钢筋混凝土楼面可以提高楼面强度及其承载力。
The inclusion of reinforced beams in a reinforced concrete floor adds to its strength and loading capacity.
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.
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.
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.
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.
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.
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.
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.
本文根据交形等效的原理，提出了无粘结预应力梁极限强度的分析方法。
This article proposed a new analytical method for the ultimate strength of unbonded prestressed concrete beams according to the principle of equivalent deformation.
本文探讨重复荷载对部分预应力混凝土梁疲劳抗剪强度的影响。
The effects of repeated loading on the fatigue shear strength of partially prestressed concrete beams are studied.
用复合材料的短梁剪切强度评价纤维处理效果。
The short beam shear strength of the composites was measured in order to evaluate the effect of fiber treatment.
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.
无粘结部分预应力混凝土(UPPC)梁桥抗弯强度计算的关键，是如何确定无粘结预应力筋的极限应力。
The key to calculate the ultimate flexural strength of unbonded partially prestressed concrete (UPPC) beam Bridges is how to determine the ultimate stress of unbonded post tensioning tendons.
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.
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.
通过4组超高强度混凝土梁剪切试验，考察各主要因子对剪压破坏梁抗剪强度的影响。
Study on shear compression failure of RC beams without stirrups was carried out by 4 series of ultrahigh strength specimens to estimate the influence of each design parameter separately.
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.
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.
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.
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.
计算UPPC梁(板)的抗弯强度，关键是确定构件在极限承裁能力时无粘结预应力筋的极限应力值。
The key of calculating flexure strength of UPPC beam is to determine unbounded prestressed tendons ultimate value when the components are under their ultimate load ability.
在切去梁翼后(简称切口)梁的侧向屈曲强度会比通常采用的设计理论所计算的强度大大降低。
When a beam flange is coped at the connection, the lateral buckling strength of the coped beam could be significantly less than that predicted by current formulas.
介绍了采用等强度梁和与测量片并联电阻的方式测定电阻应变片的灵敏系数的方法。
It introduced the methods of measuring the sensitive coefficient of the strain gauge of electrical resistance by means of equal-strength beam and the parallel connection with the measure gauge.
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