All Issue

2016 Vol.15, Issue 4 Preview Page
A Study on Provenance of the Stone Relics of WoljungGyo Bridge built in Silla Kingdom based on Geological Properties

신라시대 교량 월정교에 사용된 석재 유구의 지질공학적 특성에 근거한 산지 추정 연구

Kwnag-wu Lee1*
,
Sam-Deok Cho2
이 광우1*
,
조 삼덕2
1Senior Researcher, Geotechnical Engineering Research Institute, Korea Institute of Civil engineering and building Technology
2Senior Research Fellow, Geotechnical Engineering Research Institute, Korea Institute of Civil engineering and building Technology
*교신저자. *Corresponding Author. 
30 December 2016. pp. 79-88
PDF XML Citation
Abstract

A derelict bridge called WoljungGyo is being restored in Gyeongju, the capital city of ancient Silla. WoljungGyo was originally built in 760AD, and later rebuilt in 1280AD during the Goryeo Kingdom. The bridge lasted in working condition for at least 520 years. The bridge was uncovered to the remains of both abutments and four piers, with only one or two steps remaining. The provenance of the WoljungGyo stone relics was investigated to decide the type of stone for the restoration works. Field survey were carried out in the whole area of Gyeongju-Si with petrological investigation for the stone relics. Results of the study present that Namsan granite was used in those days for building of the WoljungGyo. It is seems that the used stones were obtained from tor or core stone around the Tongil-jeon and Tap-gok area in the east side of Mt. Namsan.

Keywords
WoljungGyo Bridge
Restoration of WoljungGyo
Stone Relics
Geological Survey
Namsan granite

경주시에서는 신라시대에 건설된 교량 월정교에 대한 복원사업이 진행되고 있다. 월정교는 760년에 건설되어 고려시대인 1280년에 중수한 기록이 남아있다. 따라서 월정교는 적어도 520년 이상 교량으로 사용되었음을 알 수 있다. 복원사업이 시작되기 전에 월정교는 양측 교대의 일부와 4개의 교각기초 그리고 한 단 내지 두 단의 교각석이 남아있었다. 월정교 복원공사에 앞서, 복원에 사용할 석재의 종류를 결정하기 위하여, 월정교에 사용된 석재유구의 산지를 추정하기 위한 연구를 수행하였다. 월정교 석재 유구에 대한 암석학적 조사와 경주시 일원 지질에 대한 현장조사를 실시하였다. 연구결과, 월정교 건설 당시 사용된 석재로는 경주일원의 대표적인 화강암인 남산화강암이 주로 사용되었음을 확인하였다. 특히, 경주 남산의 동측사면 하부에 위치한 통일전과 탑곡 일원에 넓게 분포하고 있는 토르나 핵석이 월정교 축조에 주로 사용되었을 가능성이 높은 것으로 조사되었다.

References
1
1.Chang, K. H. (1975), “Cretaceous stratigraphy of southeast Korea”, Journal of the Geological Society of Korea, Vol.11, pp.1-23.
2
2.Cho, K. M. (2004), Geomorphological and geological study on granite landforms and source areas of stone-built cultural properties : Case studies on Gyeongju and Iksan areas, Ph.D. thesis, Gyeongsang National University, Jinju, Korea, 164p.
3
3.Gyeongju-si (1986), Excavation investigation and restoration design of Woljunggyo bridge site, Gyeongju, Korea, 397p.
4
4.Hwang, B. H. (2004), Petrology, isotope and petrogenesis of the granitic rocks in the southern Gyeongsang Basin, Ph.D. thesis, Pusan National University, Busan, Korea, 309p.
5
5.Kim, C. S. and Kim, G. S. (1997), “Petrogenesis of the Tertiary A-type Namsan alkali granite in the Kyongsang Basin, Korea” Geosciences Journal, Vol.1, pp.99-107.10.1007/BF02910481
6
6.Kim, J. S., Kim, K. K., Jwa, Y. J. and Lee, J. D. (2004), “Petrographical study for the enclaves of the granitic rocks, in the Gyeongsang Basin, Korea”, Journal Petrol. Soc. Korea, Vol. 13, pp.1-15.
7
7.Kim, J. S., Son, M., Kim, J. S. and Kim, J. M. (2005), “40Ar/39Ar ages of the Tertiary dike swarm and volcanic rocks, SE Korea”, Journal of the Petrological Society of Korea, Vol.14, pp.93-107.
8
8.Koh. J. S. (2001), Mineralogical, geochemical and Sr-Nd isotope characteristics of the Namsan A-type and Gyeongju I-type granitic rocks in the Gyeongsang basin, Korea, Ph.D. thesis, Pusan National University, Busan, Korea, 173p.
9
9.Lee, J. I., Lee, M. J., Doo, K. T., Lee, M. S. and Nagao, K. (1997), “K-Ar age determination of the granitic plutons in Ulsan-Kyeongju area”, Jour. Korean Earth Science Society, Vol.18, pp.379-386.
10
10.NRICH (1988), Excavation investigation of Woljunggyo bridge site, National Research Institute of Cultural Heritage, 310p.
11
11.NUCH (2006), General plan and working design for restoration of Woljunggyo bridge, Gyeongju-si·Korea National University of Cultural Heritage, 370p.
12
12.NUCH (2007), Details plan and preliminary design for restoration of Woljunggyo bridge, Gyeongju-si·Korea National University of Cultural Heritage, 280p.
13
13.NUCH (2010), Action plan and feasibility study for restoration of Woljunggyo bridge, Gyeongju-si·Korea National University of Cultural Heritage.
14
14.Son, M. (1998), Formation and evolution of the Tertiary Miocene basins in southeastern Korea: Structural and paleomagnetic approaches, Ph. D. thesis, Pusan National University, Busan, Korea, 233p.
15
15.Tateiwa, I. (1929), Geologic Atlas of Korea, No. 10, Kyongju, Youngchon, Taegu, Waegwan Sheets. Geol. Surv. Chosen(Korea).
Information
  • Publisher :Korean Geosythetics Society
  • Publisher(Ko) :한국지반신소재학회
  • Journal Title :Journal of the Korean Geosynthetics Society
  • Journal Title(Ko) :한국지반신소재학회 논문집
  • Volume : 15
  • No :4
  • Pages :79-88
  • Received Date : 2016-12-06
  • Revised Date : 2016-12-19
  • Accepted Date : 2016-12-21
  • DOI :https://doi.org/10.12814/jkgss.2016.15.4.079
Journal Informaiton Journal of the Korean Geosynthetics Society Journal of the Korean Geosynthetics Society
  • NRF
  • KOFST
  • KISTI Current Status
  • KISTI Cited-by
  • crosscheck
  • orcid
  • open access
  • ccl
Journal Informaiton Journal Informaiton - close