本文还对钢-混凝土组合梁截面的延性及其影响因素进行了讨论。
Discussion, in addition, is conducted on the ductility of cross section and the influence factors on it.
研究结果表明，随钢组织在预加载荷中产生的微孔洞初始损伤量的增加，其延性起裂韧性降低。
The results showed that with increasing the amount of the initial void damage, the ductile fracture initiation toughness of steel decreases.
结果发现，TWIP钢具有典型的延性断裂断口特征，其变形和断裂过程为微孔洞的形核、长大和聚合。
It was found that the fracture of TWIP steel was typical ductile fracture pattern and its deformation and fracture processes were the formation, growth and coalescence of microvoids.
通过力学参数测量和微观观察研究了初始损伤对钢的延性起裂韧性影响。
By using measurement of mechanical parameters and microscopic observation, the effect of initial damage on the ductile fracture initiation toughness of steel was investigated experimentally.
因此，工程界普遍认为梁柱刚性连接有必要改善其节点的延性和对钢框架采用延性设计。
That is, the ductility of the connections ought to improve and the ductile design on steel frame should be realized.
试验表明，所设计的不同构造形式的薄壁钢-混凝土组合结构节点均具有良好的延性性能和足够的承载能力，可以供实际设计时参考。
The test indicates that the joints of the thin-walled steel-concrete composite structures have better ductility property and enough bearing capacity which can be referred in the actual project.
结果发现，twip钢具有典型的延性断裂断口特征，其变形和断裂过程为微孔洞的形核、长大和聚合。
It is found that the fracture of TWIP steel is typical ductile fracture pattern and its deformation and fracture mechanisms are the formation, growth and coalescence of micro-voids.
较系统地分析了结构的承载力、延性、耗能、用钢量和破坏特征等。
The structural bearing capacities, ductility, energy dissipation, amount of steel and failure feature are analyzed systematically.
双相钢（DP）作为一种先进高强钢，具有强度高、屈强比低、初始加工硬化速率高以及强度和延性匹配好的特点。
As one of advanced high strength steel, dual phase (DP) steel is widely used in producing cars nowadays and in the coming future.
圆cFRP -钢复合管内填砼受弯构件的延性要好于圆f RP筒内填混凝土受弯构件。
The ductility of concrete filled circular CFRP-steel composite tubular flexural members is better than that of concrete filled circular steel tubular flexural members.
钢-混凝土组合梁具有承载力高、延性好、刚度大、构件截面尺寸小等优点。
Steel-concrete composite beam with high capacity, good ductility, stiffness, member cross-section the advantages of small size.
含钢率是影响钢管混凝土框架结构延性的重要因素。
Steel ratio is one of the most important factors affecting the ductility of concrete-filled steel tubular frames.
钢管混凝土结构将钢和混凝土的优点有机结合，由于具有良好的强度和延性、抗震性能良好、施工快速等优点，因而在桥梁、高层建筑得以广泛应用。
Concrete-filled steel tube combines the beneficial qualities of both steel and concrete, namely, high strength, excellent ductility, large energy absorption capacity and convenience of construction.
这种应变—寿命曲线适用于结构钢和软钢等延性材料多轴疲劳下的局部应力—应变法寿命估算。
The derived curves are convenient and applicable to ductile materials such as structural steels and mild steels.
高温形变淬火显著改善烧结钢和粉末锻钢的延性和断裂韧性。
HTMT significantly improves the ductility and fracture toughness of sintered steel and powder forging steel.
同时研究了含钢率、长细比和轴压比对方钢管混凝土柱延性的影响。
The displacement ductility of the CFSSTC specimens were analyzed, the effects of the steel ratio, the slenderness ratio, and the axial compression ratio on the ductility of the CFSSTCs were studied.
并进一步对初始损伤孔洞在后续加载中的演化行为的细观有限元力学进行模拟计算及微孔洞初始损伤对钢的延性起裂韧性影响的机理进行了研究。
The mechanism of this effect was further investigated by using finite element method to simulate the evolution of pre-damage voids during the subsequent loading process.
与传统桥梁用钢相比，高性能钢(HPS)在强度、可焊性、断裂韧性、延性和耐候性方面都有很大的改善。
Compared with conventional structural steels used in Bridges, high performance steel (HPS) provides higher strength, improved weld ability, enhanced fracture toughness and weathering characteristics.
与传统桥梁用钢相比，高性能钢(HPS)在强度、可焊性、断裂韧性、延性和耐候性方面都有很大的改善。
Compared with conventional structural steels used in Bridges, high performance steel (HPS) provides higher strength, improved weld ability, enhanced fracture toughness and weathering characteristics.
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