Breaking News: The inaugural Jianhu Forum, co-organized by Yuegong Steel Structure, has concluded successfully in Shaoxing.
Release Date:
2019-09-27 16:51
To strengthen cooperation and exchanges between China and foreign countries in the construction sector, accelerate the high-quality development of urban construction nationwide and the transformation and upgrading of the construction industry, expedite the shift from old to new growth drivers, and enhance Shaoxing’s standing as a leading city in the construction field—thereby supporting the city’s industrial transformation and its strategy of going global—the inaugural Jianhu Forum concluded successfully in Shaoxing, Zhejiang, on September 20. The forum was guided by the Shaoxing Municipal People’s Government and the Architectural Society of China, and co-organized by the Building and Energy Conservation Professional Committee of the Chinese Urban Science Research Association, the Shaoxing Municipal Housing and Urban–Rural Development Bureau, the Shaoxing Municipal Science and Technology Association, and the People’s Government of Yuecheng District, Shaoxing, with joint sponsorship from Huahui Construction Group, Zhejiang Yuegong Steel Structure Co., Ltd., Zhejiang Shunjiang Construction Group, and other participating entities.
Academicians of the Royal Swedish Academy of Engineering Sciences, including Xu Ronglie, former Chief Engineer of the Ministry of Construction; Song Chunhua, former Vice Minister of the Ministry of Construction; Chinese Academy of Engineering Academicians Xiao Xuwén and Gong Xiaonan; Foreign Academician of the Russian Academy of Natural Sciences Wu Faquan; Xiu Long, President of the Architectural Society of China; Yuan Jianhua, Chairman of Huahui Engineering Design Group Co., Ltd.; Luo Yinchang, Chairman of Zhejiang Yuegong Steel Structure Co., Ltd.; Hua Yuwu, General Manager; along with more than 300 other leaders and experts—among them prominent scholars from China’s construction sector, government officials, and corporate representatives—gathered in Shaoxing, Zhejiang. Under the forum theme “Green Construction, Better Living,” they engaged in in-depth exchanges and discussions, adopting an international perspective to explore how to align with industry trends such as prefabricated construction, smart buildings, and green construction. Ma Weiguang, Secretary of the CPC Shaoxing Municipal Committee; Jiang Changcai, Vice Chairman of the Zhejiang Provincial Association for Science and Technology; and Lu Wei, Member of the Standing Committee and Secretary-General of the CPC Shaoxing Municipal Committee, attended the forum. The event was chaired by Sun Zejun, Vice Mayor of the Shaoxing Municipal People’s Government.
2019 This year, the Ministry of Housing and Urban–Rural Development selected seven provinces nationwide to launch pilot projects for prefabricated steel‑structure residential construction. The advantages of prefabricated steel‑structure buildings—particularly in terms of architectural performance, resource conservation, and labor‑cost reduction—have made them a focal point in the market. Driven by supportive policies, the “steel structure plus housing” construction model is opening up new possibilities for prefabricated steel‑structure buildings. In the future, such structures are poised to become the mainstream direction of development. As a leading national steel‑structure enterprise, Yuegong Steel Structure has steadfastly embraced the concept of green development over the years, vigorously promoted innovative construction methods, and spearheaded the transformation and upgrading of the construction industry, thereby contributing to the advancement of prefabricated steel‑structure construction in China. As the organizer of this forum, Yuegong Steel Structure was invited to have Chen Jian, Deputy General Manager of Zhejiang Yuegong Steel Structure Co., Ltd., share the company’s research and practical experience in prefabricated steel‑structure residential construction during the thematic exchange session.
[Introduction to the Column–Beam–Concrete Shear Wall System]
Yuegong Steel Structure has appointed Professor Tong Genshu of Zhejiang University as its Chief Technical Advisor and entered into a long-term strategic cooperation agreement with the Timoshenko Architectural Design Firm. Collaborating with the firm’s distinguished team of doctoral experts, who bring extensive experience in engineering design and research & development, Yuegong has successfully developed an earthquake‑resistant wall system featuring multi‑cavity steel‑tube concrete with through‑bolts—referred to as the Bolt‑Tube Concrete Earthquake‑Resistant Wall System—and which is protected by independent intellectual property rights. This system offers flexible architectural layouts, comfortable interior spaces, clear structural load paths, superior component performance, straightforward steel‑structure fabrication, and a high degree of standardization, making it well suited for mid‑rise and high‑rise steel‑frame residential buildings.
This system relies on a composite seismic wall of concrete‑filled steel tubes, steel columns, steel beams, and prefabricated reinforced steel‑frame floor decking to jointly resist vertical loads and lateral seismic forces. The envelope system comprises prefabricated interior partition walls, prefabricated insulated exterior walls, fire‑resistant thermal insulation layers, and exterior wall coatings. In addition, a prefabricated MEP (mechanical, electrical, and plumbing) system and a prefabricated interior finishing system are integrated to form a complete prefabricated steel‑structure residential product.
The core technology of this system—the bolt–tube concrete seismic wall—consists of cold‑formed steel tubes, cold‑formed channel sections, connecting bolts, and corner square steel tubes. Two cold‑formed channel sections are arranged with their openings facing each other and are joined by spaced, through‑going bolts to form a pair; these pairs are alternately staggered with cold‑formed steel tubes, creating a linear, multi‑chamber steel‑tube wall. Depending on the component’s location and the wall’s orientation, corner square steel tubes can be used to generate cross‑sections of various shapes, such as L‑shaped, T‑shaped, or cruciform. After the cavities are filled with concrete, the bolt–tube concrete seismic wall is formed.
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