耗能能力
- 网络energy dissipation
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随着CFRP加固量的增加,试件峰值荷载提高是有限度的,但其延性、耗能能力、后期强度退化可以持续得到显著改善。
With the increase of the amount of CFRP , the lateral peak load can only be enhanced within limits , but ductility , energy dissipation and the later carrying capacity degradation are improved significantly in succession for short columns .
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节点域的耗能能力很强,小核心区耗能是节点耗能的主要方面;
Energy dissipation in the small core area of panel zone plays key roles in energy dissipation of the specimen .
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本文区别于其它同类研究的一个重要特点是将延性和耗能能力作为两个独立的分量,分别考察两者对系数R的影响。
In this thesis , an important aspect different from other researches is that the ductility and the energy-dissipating capacity are treated as independent factors affecting R. spectra .
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针对大宽厚比的高频焊接H钢柱塑性耗能能力较低的特点,进行了10个试件的单调和反复加载试验研究。
Monotonic and cyclic loading tests were carried out on 10 specimens of high-frequency ( welded ) H steel beam-columns with large width-thickness ratios to investigate their ability of energy dissipation .
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与普通RC桥墩相比,预应力会降低结构的耗能能力和延性性能,但可获得较小的残余位移。
Compared with ordinary RC piers , prestressing tendons can reduce the energy dissipation capacity and ductility of the structure , but receive a smaller residual displacement .
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防压曲支撑(BRB)既可提高结构的抗侧刚度,又有较强的地震耗能能力,可用于结构抗震加固中。
Buckling-restrained brace ( BRB ), with enhanced lateral stiffness and higher earthquake energy dissipation capacity , it can be used in seismic mitigation and retrofitting of structure .
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通过对滞回曲线、骨架曲线和能量耗散等指标的分析,研究FRP加固受损节点试件的承载能力、延性和耗能能力,比较试验参数对加固效果的影响。
Through the hysteresis curve 、 skeleton curve and the energy dissipation capacity of specimens reinforced and such indicators , study the carrying capacity , ductility and energy-recovery level of ability to compare the effect of different test parameters on the reinforcement .
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由修正的Park-Ang损伤模型和低周疲劳破坏模型可分别推导出对应于结构破坏时的滞回耗能能力值。
The hysteretic energy capacity which corresponds to structural collapse state can be calculated from modified Park-Ang damage model and low-cycles fatigue model .
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结果表明,实测轴压比0.3、锚固长度15d以上的焊接(焊接高度10d)、非焊接植筋混凝土柱具有良好的延性和耗能能力。
The welded ( welding height is 10d ) and non-welded RC columns whose embedded depth is 15d have good ductility and energy-absorbing ability when their axial compression ratio are 0 3 .
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SPW节点、SEP节点的承载力与常规节点相比并不逊色,若能保证焊接质量,其延性与耗能能力明显更加优越。
The loadcarrying capacity of SPW and SEP connection is not less than that of the inner diaphragm connection . If the intensity and quality of weld are assured , the ductility and energy dissipation behavior of the connection are better .
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从试验现象分析和数据对比可以看出,HADAS阻尼器明显减小了结构的变形和框架柱剪力,有效增加结构的耗能能力,减小甚至避免主体结构在设防地震作用下引起的破坏和损伤。
The performance analysis and results comparison between MRF and HADAS-frame indicate that the structural deformation and column shear force are significantly reduced , and the energy dissipation capacity of the structure is increased so that the damage and injury of major structure can be decreased or even avoided .
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钢筋混凝土桥墩抗震耗能能力的试验研究
Experimental research on seismic energy dissipation performance of reinforced concrete bridge pier
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这种结构有一定的延性和较好的耗能能力。
The ductility and dissipation of this kind of structure is better .
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增强异型柱框架结构抗震耗能能力的研究
Study on the earthquake-resistant energy-dissipation capacity of reinforced framed structure with special-shape column
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钢筋混凝土框架短柱的延性和耗能能力
Ductility and Energy Dissipation Capacity of Short Columns in Reinforced Concrete Framed Structures
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对给定节点在反复加载下的变形能力和耗能能力进行了量化评价。
To the given joints the paper evaluate their deformability and resistance against earthquake actions .
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偏心支撑框架用于抗震设计时,既可提供较大的弹性刚度,又具有很好的抗震耗能能力。
Eccentrically braced frame can provide high elastic stiffness and large inelastic energy dissipation capacity .
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循环载荷作用下,狗骨式节点的耗能能力优于普通节点。
Under cyclic loads , the energy-dissipating capacity of dog-bone connections is better than normal connections .
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预应力提高了墙体的刚度、延性和耗能能力;
The prestressing force enhances the stiffness , ductility and energy dissipation capacity of the masonry .
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短肢剪力墙结构具有较好的延性和耗能能力。
Therefore , the short pier shear wall structures have well ductility and ability of energy dispassion .
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对循环弯矩作用下杆件的耗能能力进行了分析,建立了完整的计算理论;
Analyzing the bar 's energy dissipation capability under circulation bending moment , constructing intact calculation theory .
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当跨高比为1.0时破坏类型是斜压破坏,破坏时钢筋的承载力没有得到完全的发挥,混凝土就被压碎了,延性很差,属于脆性破坏,相应的耗能能力就很差。
When depth-to-span ratio is 1.0 , coupling beams ' destruction type is inclined press shear destruction .
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其滞回环相对饱满,延性系数及耗能能力显著提高;
Its hysteretic curve is plumper , its ductility coefficient and energy dissipation capacity have been improved remarkably .
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通过理论计算分析,得出这种阻尼器充分利用了高阻尼橡胶材料的高耗能能力、粘弹性等特点,具有良好的减振效果。
The characteristic of the High Damping Rubber and the application of the damper on cables are discussed .
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装配式木框架结构消能节点具有良好的延性、耗能能力与减震效果。
The joint proposed in this paper has excellent ductility , energy dissipation capacity and earthquake mitigation effect .
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加之采用不同钢材和混凝土,可以获得不同的承载力、延性和耗能能力。
By using different steel and concrete , we could achieve different strength , ductility and energy dissipation capacities .
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阻尼比是反映结构耗能能力的参数,它对研究结构的振动反应有着重要的意义。
Damping ratio reflects the parameters of dissipating energy , which has important significance for studying the structure vibration response .
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试验结果表明:局部约束可有效提高柱的延性,增加柱的耗能能力;
Test results show that : because of the local confinement , CCFT columns demonstrated significant ductility and energy-dissipation capability ;
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结构在强烈地震作用下进入塑性后具有一定的延性和耗能能力。
Structures have certain ductility capacity and energy dissipation capacity , when entering into plastic stage during intense ground shaking .
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这类连梁通常情况下延性低、耗能能力差,在地震中往往会过早地发生剪切破坏。
Such coupling beams typically show low ductility and poor energy , often occurs shear failure prematurely in the earthquake .