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Table 1 Description of construction types for the fortress in this study

From: Structural stability and microscale behaviors of the fortress wall from the sixth century Baekje Kingdom in ancient Korea

Construction types Descriptions
Type I
 I-A Uneven stones piling using the unprocessed stone
Having migmatitic gneiss construction parts over 70% shares
Internal filling using natural materials
Using stones with 18 to 26 cm length and ratios in 2.0 to 2.6
 I-B Uneven stones pilling using the unprocessed stone
Using leucocratic granite and aplite predominantly
Internal filling using natural materials
Type II
 II-A Uneven stones layer piling mainly using leucocratic granite
Variation in form and size as their location
 II-B Straight stones pilling using mixed rock with rectangular shape
Variation rock type for construction as the location
Type III
 III-A Having sandstone construction parts over 40% shares
Two construction type of straight stones piling with processed stone and uneven stones layer piling with unprocessed stone
 III-B Using the processed stones with pinkish granite and biotite granite and unprocessed stones which has diverse rock type
Variation of construction type as the location
 III-C Straight stones piling using processed stone
Having granite construction parts over 70% shares
Internal filling with natural materials
 III-D Internal filing with cement mortar
 III-E Uneven stones layer piling using mainly leucocratic granite
Maintenance in 1987