The purpose of this study is to attempt the typology and chronology of the Baekje stone chambers in the Han River basin, including Seokchon-dong tombs and Garak-dong, Bangi-dong tombs in Seoul, and to examine the nationality of Garak-dong, Bangi-dong tombs and the deployment of Baekje stone chambers in the Han River basin.
First of all, I classified the Baekje stone chamber in the Han River basin into seven types according to the shape of the lowermost stone, the application of the Baebureum technique, and the planar form, and divided the Baekje stone chamber in the Han River basin into four periods based on the prestige goods such as Chinese-made porcelains and Baekje-made gilt-bronze shoes, and the combination of burial potteries in the Gamil-dong site in Hanam.
Next, although the construction date of the No. 3 tomb of Bangi-dong was known after the 6th century on the base of the scientific analysis, when the Silla occupied the Han River. the angles of corner, the shapes of ceiling, and facilities of floor observed in this stone chamber are the same as those of the Baekje stone chamber in the Han River basin including No. 3 tomb of Garak-dong, It can be seen that the No. 3 tomb of Bangi-dong was built in in the Hanseong period of Baekje and then reused by groups unrelated to Baekje.
Lastly, as a result of examining the deployment of Baekje stone chambers in the Han River basin, In the Ⅰperiod the same type of stone chambers were built in important bases such as Beopcheon-ri and Umyeon-dong, starting with the stone chamber No. 4 tomb of Seokchon-dong, Seoul. In the II period, there was a difference in stone chamber types between Songpa-gu, Seoul, which is the central graveyard of the Baekje central group, and other regions. This two styles stone chamber construction tendency is considered to be the result of hierarchical differentiation according to regulations of the Baekje central group. In the III period, the two styles of stone chamber construction is strengthened and the combination of pottery on Baekje central style is spread to a radius of 15 km from Mongchon castle. In the Ⅳ period, the tendency of the two styles stone chamber construction is deepened, and at the same time, the difference of the stone chamber type between the 15km and 30km radius of Mongchon castle is observed. In other words, it is estimated that the influence of the Baekje central group was extended to the radius of 30km from Mongchon castle and the influence of the Baekje central group was applied differently according to the physical distance from the Baekje central area. In addition, the fact that a new pottery combination consisting of a flat bottom shaped jar and a a short-neck shaped small pottery spread throughout the Han River basin is considered to be the result of materialculture assimilation under the leadership of the Baekje central group.
As such, the stone chamber of the Han River basin spread to the provinces after being accepted by the the Baekje central group. In addition, the spread of the Baekje stone chamber in the Hanseong period can be seen as a result of Baekje, which was in a difficult situation in the confrontation with Goguryeo, actively utilizing the material culture represented by the stone chamber for the purpose of solidarity with the local influential groups in the south.