利用建筑物金属体做防雷及接地装置的优点是安全、可靠、使用期长、极少维修、节约材料、不影响建筑物的立面装饰等,这些都是人所共知的.高层建筑物的防雷及接地装置主要包括接地网、引下线、均压网、防侧击雷带,防雷网(接闪器)等。近两年来在赛格国际大厦工程施工中对利用建筑物底板桩基做接地网的设计与施工作了些初浅的分析,以使 The advantages of using a building’s metal body as a lightning protection and grounding device are safety, reliability, long service life, minimal maintenance, material saving, facade decoration that does not affect the building, etc. These are all well-known. The lightning protection and grounding devices of the object mainly include a grounding grid, a down conductor, a pressure equalizing net, a side-impingement lightning strap, a lightning protection net (a lightning receptor), and the like. In the past two years, in the construction of the SEG International Building, a preliminary analysis of the design and construction of the grounding grid using the pile foundation of the building’s floor was made.