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Ruifeng Internation Business Building - Chinese First High-rise Steel Structure Building

Ruifeng International Business Building - Chinese First High-rise Steel Structure Building

Ruifeng internation business building is Chinese first high-rise steel structure building. In 2000, Hangxiao Steel Structure took the lead to break the international technology monopoly, under the condition of "no precedent, no standards", it jointly worked with some famous colleges and finished the first rectangular conctrete-filled steel tube structure high-rise building.

Model:
HXSS-24
Brand:
HXSS
Code:
HXSS-24

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1. Brief introduction of Ruifeng International Business Building

This project started in 2000, with 2 floors underground and 24 floors above ground, with a total construction area of about 52,000 square metres. It is the first self-designed, produced and installed high-rise building built with rectangular concrete-filled steel tube column structure technology.

2. Lead the development of Chinese high-rise steel structure building technology

In 2000,Hangyiao Steel Stucture took the lead to break the ntematonal tectnolbgy monopoy. under the condtion of no precedent nostandard, t jointy woiked with Zhelang Unversity, Tongi Unwersiy, and other cdlegses for industyunversityresearch ccoperation. Besites, Fansviao caried outthe researchof "ectanguer concrete_-flled steel tube stucture technolegy, inventing the concrete steel tube stucture system thet is more apdlcable. costeffectve, and fieproof thanpuresteel structure.which wasancled Rufeng Ihternational Bulding. thefirst rectanguar concretefled stel tube structurehishise builing proiect in China.This proiect was Iested as the nationalTorch Flan proiect which has completely changed the tadtional concrete construction method.imoroved the freresistant pertomance of the steel sttucture.and featured exclent antiesalsmic andfreproofperfomance.The successful imdlementaton of hisprolect has aid the tectmical postion ofHangxaointhe field ofhighise steal stucture.Inthis way,tdevelbpedthe hiehise steestucture bulting tectnolney system with Hangvlao charactefistics,and took the kead in highise steel structre builtingin China.

3. Industry and association standards

Hangxiao has edited and co-edited a number of industry and association standards, such as Technical Specification for Steel Structure of Tall Building, Specification for Design of Steel Concrete-mixed Structure of Tall Building, Technical Specification for Structures wih Concrete-filled Rectangular Steel Tube Members, and Technical Code for Design and Construction of Composite Floor and son on.

It has obtained 30+ national patents related to rectangular concrete-filled steel tube columns, filling the gap of "rectangular concrete-filled steel tube technology in high-rise building structures" and reaching the internationally advanced level. Among them, the "high-rise building steel-concrete composite structure technology" won the "National Green Building Innovation Award" in2005. Ruifeng Internation Business Building

4. Leading technology awards

The independent ly developed comglete technoloey of rectangular Concrete-fl led steel tube structure' is listed as the nat ional Torch Plan project.

Hangxiao and Tongi Universitycoedted the TechnicalSpecifcation for Rectangular Concrete Fled Steel Tube Structure(CECS159:2004).

ResearchonKey Technologyof Rectangular Concrete F i lledSteelTube Calumn and Beam Column Joints won the first piize of Tianin Science and Technology Progressin 2008

Fesearch on the Apblcaston Technolbgy of Hiehise Bulding Sted-Concete Comoste Sthucture Eneineeing wae awarded the third pite of the Fist Natondl Green Bulding hnovat on Awerds on March 24.2005.

Research and Apdlcstton of FRectangular Concrete Steel Tube and Residental Steel Structure Technodlogywon the Second Pize of Technoloey Prosress Award by Mnisty of Educstion as wel s Specia AWard of Science and Technolbey by Chine SteelConstuction Society.

A high-rise is a negotiation between gravity, wind, time, and budget. The Ruifeng project story matters because it was built when there was “no precedent, no standards” for the rectangular CFST approach, according to the page narrative. That environment forces real engineering maturity: you cannot rely on routine templates. You must prove load paths, connection behavior, floor systems, fire strategy, and construction sequencing in a way that designers, reviewers, and builders can trust.

This project started in 2000, featuring 2 basement floors and 24 floors above ground, with a total construction area of about 52,000 square metres. The page frames it as the first high-rise that was self-designed, produced and installed with rectangular CFST column structure technology. In practical terms, that means the solution is not only a concept; it is a complete project delivery logic that includes design coordination, fabrication readiness, and erection feasibility.

When executed well, a composite steel-concrete system changes the “feel” of the building: floors are firm, structural lines are clean, and the building’s performance is experienced as quiet stability rather than visible reinforcement.

In high-rise construction, buyers don’t choose steel structure partners for slogans. They choose them for reduced uncertainty.

What you gain from a capability-led delivery approach:

Strong composite-structure understanding for high-rise applications
Documentation discipline that supports approval, procurement, and site execution
Fabrication readiness thinking that reduces field corrections
Constructability focus so the structure is designed for erection, not only for analysis
B2B communication that centers on scope clarity, interfaces, and deliverables

For developers, that means fewer schedule surprises. For EPCs, fewer RFIs. For owners, a building that feels stable and refined long after opening day.

FAQ

Is this a “pure steel” building or a composite steel-concrete solution?

The project is presented as a high-rise using rectangular concrete-filled steel tube (CFST) column structure technology, which is a composite approach combining steel tubes with concrete infill.

What project information is needed for an accurate proposal?

Basic building height and floor count, functional use, target spans, local wind and seismic conditions, fire requirements, façade intent, and site constraints for crane access and staging.

Which structural systems can be used in high-rise steel buildings?

Common systems include moment frames, braced frames, core-based systems, and hybrids. The final choice depends on height, architectural openness, and lateral-load demands.

How do you reduce installation risk in high-rise steel projects?

By controlling fabrication accuracy, using clear piece marking, organizing deliveries by erection sequence, and providing erection guidance that matches the site’s crane and staging reality.

Can the structure support future retrofits or tenant re-planning?

Steel and composite systems are often chosen because they support adaptable layouts and cleaner retrofit paths, provided interface points and penetrations are planned early.