土木工程施工过程中温室气体排放集中且强度大，亟需监测和控制其环境绩效。然而当前施工碳排放评估多在施工前或竣工后开展，很少关注施工过程中环境绩效监测问题。论文基于施工定额理论、信息物理系统技术与挣值管理逻辑开发了一个被称为挣得碳值管理（Earned carbon value management, ECVM）的绩效评估模型，用于评估项目施工过程中的碳排放绩效，提升施工场地碳排放管理的精度和效率。该模型将施工碳排放与工程完成量、资源消耗量相挂钩，提出了三个关键参数和四个关键指标。上海市某建筑主体工程项目的实证分析表明，ECVM能够在施工过程中分析施工进度与碳排放之间的关系，并根据碳排放绩效指标分析偏差产生原因提出针对性的纠偏措施。本文中介绍的模型具有通用性，可以用于任何施工项目的碳排放管理。

The carbon emission from construction sites exhibits distinct traits of spatial concentration and temporal intensity, which underscores the pressing need for effective monitoring and regulation of its environmental impact. However, many construction site carbon assessments are carried out before or after project completion, with little attention paid to monitoring environmental performance during the construction process. This paper developed a performance assessment model called Earned Carbon Value Management (ECVM) based on construction quota theory, cyber-physical system technologies and earned value theory to assess the performance of carbon emissions during construction and to improve the accuracy and efficiency of the carbon emissions management at construction sites. ECVM, with three key parameters and four key indicators, can link the construction carbon emission with the project completion and resource consumption and has. The model has been demonstrated in a construction project in Shanghai. The results show that the model is able to analyze the relationship between construction progress and carbon emissions during the construction process and analyze the causes of deviations and propose targeted corrective measures based on carbon emission performance indicators. The model presented in this paper is generic and can be used for any construction projects that aim to reduce carbon emissions.

国家自然科学基金(52078374,52108090)；国家重点研发计划(2022YFC3801700)