Construction method of top plate post-cast strip plain concrete column support

The invention discloses a construction method of a top plate post-cast strip plain concrete column support. The construction method is characterized by comprising the following steps: a, drawing a plain concrete column plane layout diagram according to design; b, site cleaning preparation, and plain concrete column paying-off positioning; c, formworks and supporting columns on the two sides of the post-cast strip are reinforced, plain concrete column supports on the two sides of the post-cast strip are erected and reinforced at the same time in the erecting process of the basement structure beam plate formworks, and pouring and curing are conducted at the same time in the pouring process of basement frame column concrete; d, removing the post-cast strip inner template support; and e, concrete pouring is conducted on the basement roof post-cast strip. The construction method for the top plate post-cast strip plain concrete column support has the advantages that it is guaranteed that loads of a basement top pla