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Abstract. PC construction method minimizes field work. But it has insufficient structural integrity at joint. The purpose of this study is to develop a construction process of 'hollow PC column and half-PC beam (HPC method)'. The construction process of HPC method was developed applying hollow-PC column and headed splice sleeve. It was possible to check the construction process indirectly through 3D modeling. In order to develop the construction method of joint, the advice of experts relating PC method was taken. A 3D model was created for the detailed construction method of column-column and column-beam joint. However, it is thought that additional studies need to be made on construction cost, construction duration, quality.