摘要
施工项目管理所要追求的基本目标，就是成本（Ｃ）低、工期（Ｄ）短、质量（Ｑ）高和安全（Ｓ）好，即ＣＤＱＳ四大要素，这些要素就是施工项目管理的主要任务．本文就如何对施工项目管理中成本、工期、质量和安全的控制及它们之间的关系。
The basic object is low cost (C), short duration (D), high quality (Q) and good safety (S), which is pursued in project managment of construction. The important factors, e.g. CDQS, are main missions of the project managment. This paper discusses the control of cost, duration, quality and safety and the relationships amongst them.
