对于某些新建建筑物，节点区箍筋缺少和混凝土浇注不密实，造成节点区弱化，因此对于框架节点区加固研究具有重要理论意义和现实意义。

For some of new buildings, joint zones are weakened because of lack of stirrups and not dense concrete pouring. Therefore, the study on reinforcing frame joints is significant.

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摘要：框架合同在建筑业得到越来越多的应用，但现有法规缺少对框架合同性质和功能的定义，缺乏相应的理论依据。

Abstract: framework contract has been widespread applied in the economic transaction, but there is no definition of character and function of framework contract, and less of theoretical basis.

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