ROOT OF ANCIENT FILL-CONSTRUCTION TECHNIQUE IN JAPAN AND ITS CHANGE〜FROM DU-TUN TOMBE IN JIANGNAN, CHINA TO YOSHINOGARI BURIAL MOUND〜

Yoshinogari墓地(丰国墓)是近公元前50年第一个使用韩志库(古代填土建筑法)技术压实土壤结构的墓地。Yoshinogari墓丘的根源是什么？它古老的填筑技术是什么？本文以中国茶江铆钉以南地区的杜屯墓葬为研究对象，这些墓葬始建于公元前1100年至公元前400年，被认为是这些墓葬及其技术的直接根源。我们首先对一些杜屯墓进行了土工现场测试，并对土丘土进行了实验室测试。杜屯墓分为贵族和平民两种。贵族陵墓的规模更大，在这一建设中使用了Hantiku技术。为了具有强度、排水、防水等功能，对一些土地进行了层层压实。通过调查发现，杜屯墓葬与吉辛诺加墓丘有一些相似之处。人们认为，在韩国乐府(日名，公元前108年)建立之前，这一地区没有杜屯墓葬这样的墓丘。据说，在韩国还没有发现任何比吉辛诺加墓地更早的墓穴。从以上的调查和思考可以说，杜屯陵墓的建造技术，即古代的汉字，是从中国通过海洋传播到九州北部的，而不是通过朝鲜半岛。

The Yoshinogari burial mound (Funkyuu tomb) is a firstly compacted soil structures using a Hanchiku (ancient fill-construction method) technique in nearly B.C.50. What is the root of the Yoshinogari burial mound and its ancient fill- construction technique? The authors focused on the Du-Tun (burial mound) tombs in the south area of Chanjiang Rivet in China, which were constructed in nearly B.C.1100 to B.C.400 and which were considered as the direct root of these mound and technique. We firstly conducted geotechnical field tests on some Du-Tun (burial mound) tombs and laboratory tests for the mound soils.There are two kinds of Du-Tun (burial mound) tombs for nobility and common people. The tombs of nobility is greater in size and Hantiku technique is used in this construction. Some lands of soils were compacted in layer in order to have some needs function such as strength, drain, waterproofing and etc. Some similarities between the Du-Tun tombs and the Yoshinogari burial mound are found from these investigations.It is considered that before the establishment of Rakurogun (Japanese name, B.C.108) in Korea , there is no burial mound such as the Du-Tun tombs in this area. And it is said that in South Korea any burial mounds older than the Yoshinogari burial mound haven't been discovered yet.From above investigations and considerations, it can say that the Du-Tun tombs' construction technique, namely the ancient Hanchiku, technique propagated from China through the sea to North Kyusyu, not through the Korean Peninsula.