The forum was held at the Todai-ji Cultural Center, allowing participants to visit the historic Todai-ji Great Buddha Hall during the lunch break.

The forum began with opening remarks from representatives from Japan, China, and Korea.

The historic Great Buddha Hall was the focus of a short visit during the forum's lunch break.

Professor Emeritus Akira Wada from the Tokyo Institute of Technology delivered closing remarks as the program concluded.

The event featured more than 80 participants, including 11 from China, 13 from Korea, one from the US and one from Singapore.

Attendees of the forum were invited to partake in a tour of the nearby Horyu-ji Temple, the world's oldest five-story timber pagoda in existence.

The final activity was a guided tour of Yakushi-ji Temple, whose archetypal pagoda design has served as a model and inspiration for contemporary high-rise structures such as the “Tokyo Sky Tree.”

5 July, 2019

NARA – The 6th China-Japan-Korea Tall Building Forum was held on July 5th 2019 in Nara, Japan.

The forum was organized by the CTBUH Japan Structures Committee, International Committee of Japan Society of Steel Construction in collaborations with China International Exchange Committee for Tall Buildings and Korean Council on Tall Buildings and Urban Habitat.

The theme for this year’s forum was “Visiting Old, Learn New.” The opening addresses were given by Masayoshi Nakai as the director of CTBUH Japan  Guoqiang Li from Tongji University as the representative of China and Myungsik Lee from Dongkkuk University as the representative of Korea.

Following the opening addresses, nine presentations on the latest topics as summarized below were made from China, Kora and Japan. At the same time, this event fostered animated and meaningful discussions with more than 80 participants including 11 from China, 13 from Korea, one from the US and one from Singapore.

In the morning session, Xuhong Zhou from Chongqing University introduced the development of steel-tubed concrete structures, termed STRC and STSRC, and their applications to several high-rise buildings.  Kwangryang Chung from Dongyang Structural Engineers Co., Ltd. provided analytical studies and structural designs of outer mega braced frame systems for two tall buildings currently projected in Seoul. To conclude the morning session, Mr. Yoji Ishibashi from Mitsubishi Jisho Sekkei Inc. presented a performance-based seismic design of a 212m-high overhanging building in which the “Lower Stories Concentrated Vibration Control System” using oil dampers and viscous wall dampers was installed.

Meanwhile, the venue of forum, the “Todai-ji Cultural Center” was located in the ground of Todai-ji Temple, so that all participants visited Todai-ji Great Buddha Hall at lunch break.

In the afternoon session, Lishan Xu from China Construction Third Engineering Bureau Group CO., LTD. introduced key construction technologies of “China Zun” in Beijing. This was followed by a presentation by Prof. Hong-Gun Park from Seoul National University, who provided analytical and experimental studies on corner steel-plate-reinforced RC core wall system for high-rise buildings. Lastly, Takumi Tsushi from Takenaka Corporation presented a structural design of a residential high-rise building using the ultra-high strength concrete with steel fibers and more than 750 vibration control viscous and friction walls.

After the coffee break, Lianjin Bao from East China Architectural Design & Research Institute introduced two supertall connected buildings currently projected in China and mentioned those structural solutions. Jinkoo Kim from Sungkyunkwan University provided the building damages due to Pohang earthquake in 2017 and the following development of seismic retrofit devices. The final presentation featured Takashi Kato from Kajima Corporation, who presented a structural design of a 192m-high building using newly-developed high-performance oil dampers with the world’s first energy recovery system.

At the closing address, as the chairman of CTBUH Japan Structures Committee, Professor Emeritus Akira Wada at Tokyo Institute of Technology expressed deep gratitude to the gathering of many people and for a constructive meeting, this year’s forum being successfully completed.

On the next day after the forum, July 6th, approximately 40 delegates from China, Korea and Japan participated in a one-day tour to two ancient temples in Nara, following the theme of this forum, “Visiting Old, Learn New.”

The first was the Horyu-ji Temple, which was established in the 7th century and designated a World Heritage site in 1993. The National Treasure, “Goju-no-to” in Horyu-ji Temple with a height of 32.5 m, is the world’s oldest five-story timber pagoda in existence.

The other is the Yakushi-ji Temple. The National Treasure, 34.1m-high “East Pagoda” in Yakushi-ji Temple built in the early 8th century is the tallest three-story timber pagoda in designated cultural property, and currently under restoration work. The central column disconnected from wooden framework of pagoda become an important model for vibration control of recent high-rise structures, such as the “Tokyo Sky Tree.”

Especially, participants were granted special access by Nara Prefecture and Yakushi-ji Temple to visit the restoration site of the ancient “East Pagoda.”

It was a valuable and memorable experience for all delegates. The 7th China-Japan-Korea Tall Building Forum will be held in Nanjing in September 2020.