• Journal of the Korean Society of Clothing and Textiles
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• v.25 no.2
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• pp.197-205
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• 2001

It is possible to examine the costume of Chosun era that tombs excavated in chonnam area, have contained various kinds of clothes. There are six tombs in which costumes have been excavated in Chonnam provinces. One(Go un) is tomb of the early years of Chosun Dynasty and the other tombs is those of the middle years of Chosun Dynasty(16∼17 century). There were many kinds of Po which was called Jickryung, Danryung, Chullik, Dappo, Jangui, So-changui etc, and contained chechori, skirts, under-trousers in tombs. But there are not see Kuui, Dopo that excavated in other area. Chullik showed the features of winkle, sleeves and the ratio of length. Dappo was only to be seen in a Go uns grave. Mens chechori collar(kit) was called Mokpankit in all, and womans chechori collar was called Kalkit or Tangkokit. The length of chechori was different according to the times. Most trousers are types of underwear and also there are Sapok tousers, open trousers. The characterstics of excavated costumes are not regional feature but trend of the times. The costumes excavated in Chonnam area are similiar to those excavated in other area at the same times.

• Journal of the Korean Society of Costume
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• v.64 no.8
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• pp.55-66
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• 2014

Baeja(背子), which was excavated from the tomb of Sim, Su-ryun(沈秀崙, 1534-1589), a civil official, has a distinctive pattern. Two rectangles are connected by button knots on both shoulders and below the armpits, and surround the front and back of the upper body. Also, the back is shorter than the front, while the center-front is not opened. It also has a round neckline without a collar. Jeojuji(楮注紙), which is a traditional Korean paper made from mulberry bark, is put between the outer shell and lining of this clothing as an interlining. The purpose of this study is to perform a morphological feature analysis of the Baeja to examine its characteristics and name, and clothes with similar features, attire relic, pictorial and ceramic materials as well as precedent studies were used in the analysis. The Baeja, which was excavated from the tomb of Sim, Su-ryun, has the same pattern as Yangdang(裲檔), which was worn in the ancient northern region and China. Its composition and the way it was worn are very simple. Also, the shorter back length can be used as evidence that it was worn as everyday outer clothing, and not in a ceremony. Jeojuji, used as an interlining, made it easy to sew and maintain attire pattern and played a role of maintaining warmth. Therefore, this Baeja is presumed to be an outer clothing simply worn in the everyday life for convenience and warmth. In regards to its morphological feature, it was most likely a Yangdang in Joseon Dynasty.

• Korean Journal of Heritage: History & Science
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• v.43 no.3
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• pp.26-47
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• 2010

When the term conservation is used with regard to excavated features, it means not only conservation but also restoration. Restoring the features here does not imply restoring their original form but restoring their form at the moment of excavation. That means, the conservation of excavated features includes the concept of both reparation and restoration. The way of conserving excavated features can be largely categorized into on-site conservation and transfer conservation. On-site conservation means to conserve excavated features as they were at the excavation site. It can be further categorized into soil-covered on-site conservation, in which excavated features are covered with soil to prevent them from being damaged, and exposed on-site conservation in which the features were conserved as they were exposed. Transfer conservation is operated on the premise that excavated features are transferred to another place. It can be further categorized into original form transfer, transcribing transfer, reproduction transfer, and dismantlement transfer. Original form transfer refers to the method of moving the original forms of excavated features to another place. Transcribing transfer refers to moving some of the surfaces of excavated features to another place. Reproduction transfer refers to restoring the forms of excavated features in another place after copying the forms of excavated features at the excavation site. Dismantlement transfer refers to the method of restoring excavated features in a place other than the excavation site in the reverse order of dismantlement after dismantling the features at the excavation site. The most fundamental issue regarding conserving excavated features is the conservation of their original forms. However, the conservation of excavated features tends to be decided depending on a variety of conditions such as society, economy, culture, and local situations. In order to conserve excavated features more effectively, more detailed and specialized conservation methods should be created. Furthermore, continuing research is needed to find the most effective way of conserving them through exchange with other neighboring academic fields and scientific technology.

• Proceedings of the KSR Conference
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• 2004.06a
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• pp.1007-1013
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• 2004

A three-arch NATM tunnel with a total length of 53.5m has been constructed for a metropolitan subway station in Daejon, Korea. The tunnel, whose crown is located 22m below the ground, crosses the old Daejon station underneath. Since the tunnel comprises a very large section (10${\times}$28 m; largest in Korea), it shows complicated mechanical behaviors, especially near portal, due to its short length relative to width. As far as its construction step is concerned, the center tunnel is excavated with pre-excavated pilot tunnel, which is a unique feature of this tunnel (first in Korea) to secure safety during construction and prevent excessive settlements. The both side tunnels are then excavated along with the center tunnel. Since significant amount of settlement was predictable from the design stage, extensive monitoring was performed during construction. During excavation of the side tunnels, unexpected large settlements up to ${\~}$140mm (estimated 41.8 mm at design stage) was measured at the center tunnel. In this paper, we study the causes of this unusually large ground settlement. We believe that the extra-wide tunnel excavation increases the stress influence zone of portal in longitudinal direction and consequently add more settlements to the existing due to excavation and consolidation.

• Journal of the Korean Society of Costume
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• v.57 no.6 s.115
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• pp.135-144
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• 2007

This study is about the three pieces of jackets with a symmetric collar that was used to fill in the empty spaces in coffin excavated in 2004, from Seok-nam-dong, Nam-gu, Incheon. The similarities of these three jackets are that the collars are symmetric, there are seops(the outer bodies to overlap the front sides of a jacket) with pleats, and openings on the side seam. The No.2, and No.6 seem to be jegori to wear over others, and the fabrics used for No.2 is damask with cloud pattern, and damask with lotus flower pattern. For the No.4, satin was used and there is peacock pattern weaved on satin using golden thread. No.41 is unlined clothes made with Suk-cho, and the distinctive feature about this clothes is that the collar, and the neckline are very narrow. The three jackets are similar with the recently reported clothes of Kim clan of Gang-leung (deducted to be buried in 1520), the collection of Seok Joo-sun Memorial Museum. Through this report, it provides information about some aspects of upper class women's clothes.

• The Research Journal of the Costume Culture
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• v.13 no.1
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• pp.102-120
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• 2005

Three Jang-Ue's and eleven drapery were investigated in the excavated costume in Ue-Ryeong, Gyeong-Sang-Nam-Do. Three Jang-Ue's have three different colors. the length, the width, and the wide of quilting are different as well. The outer collar of a coat is a double collar while the inturned collar is a single collar. In case of Dark blue and Pink Jang-Ue. The large section of cloth forming the body of a Korean coat is getting narrower while the reinforcing cloth strip is getting wider as the time is passing by. All the three Jang-Ue's have the different handling methods of a attached to the top border of a Korean coat, and Pink Jang-Ue doesn't have a attached to the tip border of a Korean coat. The handling method of the hemline are all different. And the handling method of the cuffs are all different. The silk is main in the woven goods, partly hemp, mixed fabrics and cotton. Especially complex gauze with supplementary wefts that were found unusually in Cho-Sun Dynasty are very import to study the complex gauze. The fond relics of the Jeon-Ui Lee family reveal various formational methods and specific characters of the excavated costume. There fore these that bring the Jang-Ue shape and the textile's feature in Gyeong-Sang-Nam-Do region, from 16th to 17th are very valuable.

• Proceedings of the Computational Structural Engineering Institute Conference
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• 2007.04a
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• pp.199-204
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• 2007

This research aimed at to develop a quantitative assesment technique which uses the measured displacements at the excavated plane during tunnel construction. Tunnel structure has a feature with long extents comparing to the excavated section so that the tunnel safety assesment is more effective by using the measured data of displacements. Tunnel structures show different structural behaviors due to the mechanical characteristics of ground and supports themselves, excavation methods and construction methods of supports, etc. From this point of view, it has very important meanings on the practical aspects that the measured data from the construction cite represent the features of the interaction effects between ground and supports as they are. In this study, both the stress state and the properties of surrounding ground are analyzed by newly incorporated feedback analysis technique which can use the measured displacements directly. Then, the stress state and the properties of ground will be used to obtain the strain distribution of surrounding ground. Finally the tunnel safety can be assessed by comparing the estimated strain through the analysis to the allowable strain of ground quantitatively.

• Journal of Korean Tunnelling and Underground Space Association
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• v.24 no.2
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• pp.217-230
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• 2022

The adequate control of TBM face pressure is of vital importance to maintain face stability by preventing face collapse and surface settlement. An EPB shield TBM excavates the ground by applying face pressure with the excavated soil in the pressure chamber. One of the challenges during the EPB shield TBM operation is the control of face pressure due to difficulty in managing the excavated soil. In this study, the face pressure of an EPB shield TBM was predicted using the geological and operational data acquired from a domestic TBM tunnel site. Four machine learning algorithms: KNN (K-Nearest Neighbors), SVM (Support Vector Machine), RF (Random Forest), and XGB (eXtreme Gradient Boosting) were applied to predict the face pressure. The model comparison results showed that the RF model yielded the lowest RMSE (Root Mean Square Error) value of 7.35 kPa. Therefore, the RF model was selected as the optimal machine learning algorithm. In addition, the feature importance of the RF model was analyzed to evaluate appropriately the influence of each feature on the face pressure. The water pressure indicated the highest influence, and the importance of the geological conditions was higher in general than that of the operation features in the considered site.

• Korean Journal of Heritage: History & Science
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• v.36
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• pp.69-86
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• 2003

This article introduce the manufacturing technique of Silla potteries based on the result excavated from Songogdong and Mulchunri site in Gyungju. As a result, we selected the kiln-site to produce Silla potteries and knew the feature which following to make them. 1. The Environmental elements to take a kiln-site were abundant fuel, plenty water and suitable soil. In particular, efficient usage of refracted winds and reserved space of forepart in the kiln-site were importantly applied to select place of kiln-site. 2. The structure of the kiln-body have been changing according to the time. It could be massproduced by produce-group from the middle and end of sixth centry which the fireplace-kiln was generalized. 3. The work center of equipments were related kiln-site. It consisted of mixed wheel, keepingpit and ditch. We knew that a look-out shed had been appeared according to utility purpose variously. 4. It sees as trimming trace of inner and outter aspects in excavated potteries and we knew that wheel had been turn to the contrast watch direction. For producing pottery of the good guality, various kiln-tools had been used already at Silla period and they used for the different purpose. 5. We intended to know method for laying the potteries in the kiln through the example of the adherent pottery to be melted. Finally, manufature and tomb-site are separated by the time through current situation of Songokdong and Mulchonri site. At the same time, we could know that group of Chounbuk kiln-site moved from the south to the north step by step.

• Journal of the Architectural Institute of Korea Planning & Design
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• v.36 no.5
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• pp.117-124
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• 2020

This study examined ornamental metals used as architectural members among metal artifacts excavated from ancient Buddhist temples and palaces in Korea. Through this, we approached the decorative characteristics of ancient architecture eaves. 1. The decorations used in eaves of Korean ancient architecture include roof-end tiles and ornamental metal. Through excavation examples, the technique of attaching ornamental metal to the rafters and corner rafters of high-ranking architectures in the 7th and 8th centuries (ornamental metal for rafter end, ornamental metal for corner rafter end), and tosu iron in the 10th century It seems to be fashionable. 2. Several buildings were built in ancient Buddhist temples and palaces. At this time, they differentiated ornamental metal according to the hierarchy of the building. The higher the hierarchy, the greater the difference in the number of ornamental metal installations, materials, and decoration techniques. In addition, ornamental metal used in eaves is an important factor in the discrimination of the times as the type, number of members, and patterns change depending on the era. 3. The great feature of the eaves metal decoration excavated in the 7th and 8th centuries is the attachment of ornamental metal to the rafters and horsetails. This seems to create a sense of grandeur by removing the weight of the roof and giving the impression constructed regardless of gravity by supporting it with non-material materials.