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中文摘要：
提出了一种设置带腋撑的新型钢筋混凝土（含预应力混凝土）框架结构。该结构由常规的钢筋混凝土框架结构以及设置在节点区的腋撑组成。腋撑的上、下端分别和框架梁、框架柱刚接。腋撑的设置，改变了框架梁端、框架柱端的设计控制截面的位置，大幅度减少了框架梁端、框架柱端的设计控制截面的弯矩值、剪力值，并且大幅度减少了框架梁跨中的挠度。试验结果表明，该新型结构具有良好的性能。该新型钢筋混凝土带腋撑框架结构适用于单层或多层大跨度的混凝土结构房屋建筑以及土木工程构筑物，有广泛的应用前景。
英文摘要：
A new kind of reinforced （prestressed） concrete （RC） frame structure, the RC frame structure with haunch braces,is proposed, which is composed of conventional RC frame structure and haunch braces. The haunch braces are connected rigidly with structural beams and columns. By adding the haunch braces the designing controlling cross sections located at the ends of beams and columns for RC frame structure are changed to the joints con necting the haunch braces, with ＂beams and columns. The moments at the designing controlling cross sections and the mid-span deflections of the structural beams are significantly decreased. Experimental results show that the new developed RC frame structure with haunch braces exhibits good mechanical behaviors. It can be extensively applied to one or multilayer large span concrete buildings and other civil engineering constructions.
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