在北方严寒地区,寒冷期较长,一般有5—6个月的时间,有效的施工工日较短,为了达到当年开工当年竣工的目的,使有效的资金投入得以早日回报,许多建设单位就在初春开始基础工程的施工,根据地基和建筑物性质、地质情况的不同,采用的基础形式和方法 In the cold and cold regions of the north, the cold period is relatively long, generally 5 to 6 months, and the effective construction days are short. In order to achieve the goal of the completion of the year when the project was started, effective capital investment can be paid off early. Many construction companies will The construction of basic projects started in early spring. The basic forms and methods adopted were based on the differences in the foundation and the nature of buildings and geological conditions.