In this paper, the bearing capacity of the column-beam joints poured with thesame strength concrete as beams and slabs of a construction in Chongqing is checked, so the feasibility of column-beam joints poured with the same strength as beams andslabs is discussed. And six column-beam joint specimens are tested which is subjectedto cyclic loading. Based on measurement of strains of both horizontal stirrups in thejoint core and longitudinal reinforcement passing through the joint, and the research ofthe specimens` ductility, energy-dissipation capacity and bond deterioration ofreinforcement passing through the joint, the influence of the column-beam joints pouredwith the same strength concrete as beams and slabs on the seismic performance of thespecimens was investigated.
本文对重庆市某实际工程的梁柱节点在采用梁板混凝土浇注后的承载力进行了验算，以考查这一施工方法在低烈度区应用的可行性；同时设计并完成了 3 组共 6 个钢筋混凝土空间框架节点的低周反复加载对比试验，通过量测各试件节点区水平箍筋以及贯穿节点的梁、柱纵筋在不同受力阶段的应变等，对比分析各组试件延性、耗能性及梁柱纵筋的粘结退化状况，考查了节点核芯区采用梁板混凝土浇注后对试件抗震性能的影响。
Based on measurement of strains of both horizontal stirrups in the joint core and longitudinal reinforcement passing through the joint, and the research of the specimens ductility, energy-dissipation capacity and bond deterioration of reinforcement passing through the joint, the influence of the column-beam joints poured with the same strength concrete as beams on the integrated seismic performance of the specimens is investigated. As following conclusions have been got:① It is feasible that the column-beam joints poured with the same strength concrete as beams.
本次试验表明，若需将位移延性保持在4.0的水准上，建议当剪压比超过0.34之后，节点区不宜采用梁混凝土强度等级浇筑；④对于高轴压比、高剪压比共同作用下试件，试验证明：1 此类试件节点核心区及上、下柱距梁边缘约500范围内损伤严重； 2 提高节点核心区配箍率对此类组合体耗能性的提高有一定的积极作用，但这种作用是有限的；⑤梁筋贯穿段粘结特征对此类节点的综合抗震性能有较为明显的影响。
Keywords steel for container; CC slab; longitudinal surface crack; hot ductility
集装箱钢；连铸坯；纵裂纹；高温塑性
With the low axial compressive force ratio, the stiffness and the ductility of the walls are controlled by the strength of the concrete, the section size and the longitudinal reinforcement and stirrups of the edge element.
在低轴压比下，试件刚度和延性受混凝土强度、截面尺寸以及边缘构件纵向钢筋及箍筋设计控制；分布钢筋对试件的承载力贡献不明显。
Those beams with bigger degree of shear connection and longitudinal force ratio in the negative moment zone of interior support still have good ductility.
增大剪力连接度η和纵向综合力比Rp（中支座负弯矩区）连续组合梁仍然有很好的延性；
By means of moment-curvature analysis program, the attained ductility levels of columns with the minimum confining reinforcement are analyzed when their longitudinal reinforcement ratio and axial force ratio vary.
对配有最低约束箍筋、不同配筋率、不同轴压比的圆柱式桥墩，本文借助截面弯矩&曲率分析程序分析了它们的延性水平。
Volumetric tie ratio and longitudinal reinforcement ratio of central reinforcement are also affected both the ductility and earthquake resistance of concrete frame columns.
芯柱的体积配箍率和纵筋配筋率对加芯混凝土框架柱的延性及弹塑性变形性能均有影响。
The influences of the percentage of hollow core, the ratio between axial forces and compression strength of concrete as well as the arrangement of stirrups and longitudinal reinforcement on the hysteretic characteristics and ductility of hollow core columns are investigated and compared with that of solid columns.
研究了空心率、轴压比以及箍筋形式和纵向钢筋配置方式等因素对滞回特性和延性的影响，并与实心柱进行了对比。
The ductile-brittle transition temperature zone of high sulphur steel is 1100~1000 ℃, and hot ductility in longitudinal direction is better than that in transverse direction.
高硫45钢的连铸坯脆性转变温度区间为1100~1000℃，而连铸坯纵向比横向的高温塑性好，高温强度相当。
A design method with ductility for the longitudinal reinforcement in grade ⅰ and ⅱ frame beams
二级框架梁纵筋配置的延性设计法
Whether it is big or small eccentric eccentric column, using paste to the Joint Central longitudinal reinforcement of the column increases the bearing capacity and ductility than the obvious.
无论是大偏心受压柱还是小偏心受压柱，采用纵环向联合粘贴的加固柱承载力及延性进步幅度较明显。
In this paper, track-bridge coupling nonlinear finite element analysis model is established, using nonlinear track longitudinal resistance model, considering the ductility and hysteretic property of piers, to analyze the seismic response of the track-bridge-coupling system.
本文采用非线性纵向阻力模型，考虑强震作用下桥墩延性及滞回特性，建立了梁轨耦合动力非线性有限元分析模型，分析了梁轨耦合系统在地震作用下的动力响应。
Based on the experiments of five concrete beams under low reversed cyclic loading, the influence on failure pattern, failure mechanism, ductility, energy dissipation and displacement restoring capacity due to different concrete kind and strength and different longitudinal reinforcement ratio are presented.
基于五根混凝土梁在低周反复荷载下的试验，重点研究了混凝土种类和强度等级以及纵向配筋率等对纤维混凝土梁的破坏形态、延性、耗能能力、变形恢复能力等性能的影响。
The anchorage condition of the upper longitudinal bar in the beam outside the wall's width is poor, thus the anchorage length prescribed in the current CODE is not enough to ensure the bearing capacity and ductility of joints.
位于墙外侧的宽梁上部纵筋锚固环境较差，如果仅仅满足规范规定的锚固长度，不能保证节点的承载力和延性；