Column type inspection pit cast-in-place concrete track stand column and construction method

The invention provides a column type inspection pit cast-in-place concrete track stand column and a construction method. The column type inspection pit cast-in-place concrete track stand column comprises a full-hardened cushion layer, a base drainage ditch adopts an integrated all-steel formwork, and a shaped ladder stand is adopted; prefabricating a tubular pile cap rapid formwork system; the cast-in-place concrete track stand column formwork system is a unit type fast dismounting and mounting diagonal bracing steel pipe connecting and fixing type steel formwork system, and cast-in-place concrete track stand column concrete pouring is conducted through a winch traction rail-mounted material conveying pouring system. The construction method comprises the main construction steps of (1) surveying and setting out, (2) cushion layer cutting and crushing, (3) earth excavation, (4) foundation drainage ditch construction, (5) foundation cushion layer construction, (6) tubular pile cap construction, (7) raft foundati