技术经济学是一门新兴的边缘科学,近十年来才在我国得到较大的发展。其特点在于技术与经济相互渗透,其宗旨是在多种技术方案中,通过定量及定性(成本—收益)分析,找出技术上可行、经济上合理的最佳方案。在建设领域,以前许多人都认为搞技术经济分析是建设单位的事情,其实不然。随着该学科的逐步成熟和管理水平的不断提高,技术经济分析在施工企业中所起的作用越来越明显,应用面也越来越广。可以说施工企业将再也不能离开技术经济分析 Technical economics is an emerging marginal science, and it has only achieved great development in China in the past ten years. Its characteristic lies in the mutual penetration of technology and economy. Its purpose is to find out the best solutions that are technically feasible and economically reasonable through quantitative and qualitative (cost-benefit) analysis in a variety of technical solutions. In the field of construction, many people used to think that engaging in technical and economic analysis was something of a construction unit, but it was not. With the gradual maturity of the discipline and the continuous improvement of management level, the role of technical and economic analysis in construction companies is becoming more and more obvious, and the application is becoming wider and wider. It can be said that construction companies will no longer be able to leave the technical and economic analysis