从工程商务、合同法律的双重角度,依据工程索赔多年实践,对索赔证据的效力层级、证据固化、证据链等进行详尽的分析,有助于同业加深对索赔证据重要性的认识,以提高索赔证据的效力,促进索赔事件的解决。 From the perspectives of engineering, business and contract law, based on many years of engineering claims, a detailed analysis of the level of validity of evidence, the solidification of evidence, and the chain of evidence helps to deepen the understanding of the industry on the importance of evidence for claims so as to enhance the claim The effectiveness of evidence to promote the settlement of claims.