时间、费用和质量是项目管理中的三大控制目标 ,而通常对于时间和费用风险的控制与管理则分别进行 ,往往由于不合理的资金安排导致工期的延误 ,或由于进度的风险造成资金困难 .为了能够同时对工期和费用风险进行有效的控制 ,建立了基于计划预算值、挣得值和实际支出值的时间和费用风险联合控制模型 ,并引入对于整个项目和单个工序的偏差分析方法 .通过一个具体的实例分析 ,可看出该模型的实用性 .另外 ,对于模型中资金流的优化 ,应根据项目的具体情况采用适当的优化方法 ,而且 ,为了有效地采用该模型进行项目的时间和费用联合控制 ,应在施工现场建立充分有效的期间数据报告系统 Time, cost and quality are the three major control objectives in project management. Control and management of time and expense risks are usually performed separately, often resulting in delays due to unreasonable funding arrangements or financial difficulties due to schedule risk In order to be able to effectively control the duration and cost risk simultaneously, a joint control model of time and cost risk based on the planned budget, earned value and actual expenditure is established and the deviation analysis method is introduced for the whole project and individual operation. Through a concrete example analysis, we can see the practicality of the model.In addition, for the optimization of the cash flow in the model, appropriate optimization methods should be adopted according to the specific conditions of the project, and in order to effectively adopt the model for project time And joint cost control, a full and effective period data reporting system should be established on the construction site