A practice-oriented approach for the assessment of brittle failures in existing reinforced concrete elements
A practice-oriented approach for the assessment of brittle failures in existing reinforced concrete elements
复制标题
一种以实践为导向的方法，用于评估现有钢筋混凝土构件的脆性破坏
DOI：
10.1016/j.engstruct.2012.09.038
复制
发表时间：
2013
影响因子：
5.5
通讯作者：
G. Verderame
中科院分区：
文献类型：
--
作者：
F. Luca;G. Verderame
采用一种以实践为导向的方法来评估现有钢筋混凝土构件的剪切破坏。考虑到欧洲和意大利规范所建议的容量模型，得到了一个简单的无量纲域形式的工具。破坏域的可靠性严格依赖于所采用的抗剪承载力模型的可靠性；因此，还对规范和文献分析公式进行了严格的回顾。然后，利用Sezen和Moehle的实验数据库对所考虑的不同抗剪强度模型进行了比较。抗剪承载力模型的规范和文献综述强调了不同国家采用的分析方法的差异和亲和力。所开展的领域可作为一种实用工具，旨在检查现有区域中心要素中的剪切-弯曲等级，并在初步评估的框架内结合所需输入信息的特点加以考虑。文中还给出了这些域的初步应用，并强调了新工具对现有钢筋混凝土结构进行详细和大规模评估的有效性。
A practice-oriented approach was used to assess shear failures in existing reinforced concrete (RC) elements. A simple tool, in form of non-dimensional domains, is obtained considering the capacity models suggested by European and Italian codes. The reliability of failure domains depend strictly on the reliability of the shear capacity model employed; thus, a critical review of code and literature analytical formulations was also carried out. Sezen and Moehle’s experimental database was, then, used to compare the different shear capacity models considered. The code and literature review of shear capacity models emphasizes differences and affinities of the analytical approaches followed in different countries. The domains carried out can be used as a practical instrument aimed at checking shear–flexure hierarchy in existing RC elements and contextualized in the framework of preliminary assessment given the character of input information required. Preliminary applications of the domains are also provided, and emphasize the effectiveness of the new tool for detailed and large scale assessment of existing RC structures.