A construction method for steel structure + ECC panel decorative components

By using the prefabrication and overall installation method of steel structure + ECC panel decorative components, the complexity and safety risks of bridge decorative section construction have been solved, achieving efficient and safe construction results and optimizing the structural self-weight and aesthetics.

CN116575337BActive Publication Date: 2026-05-26THE 2ND ENG CO LTD MBEC
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Patent Information

Application Number
CN202310501875.9
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-05-06
Publication Date
2026-05-26
Estimated Expiration
2043-05-06

AI Technical Summary

Technical Problem

The existing bridge decoration section construction has problems such as complex structure and process, requiring a large investment of personnel, machinery and temporary measures, high safety risks and long construction period, especially in complex environments where construction is difficult.

Method used

The project adopts a prefabrication process and overall installation method using steel structure + ECC panel decorative components, including site leveling, frame fabrication, rebar tying, ECC concrete pouring, hoisting and connection. It utilizes steel structure and high-ductility concrete to replace conventional dense reinforced concrete structure, and adopts mature prefabrication and installation technology.

Benefits of technology

It reduced construction difficulty and safety risks, decreased the input of personnel, machinery and temporary measures, improved construction quality and efficiency, and optimized the structure's self-weight and aesthetics.

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Abstract

This invention belongs to the field of concrete construction technology and provides a construction method for steel structure + ECC panel decorative components, including the following steps: prefabrication and installation. First, the first to seventh sections of the main tower are prefabricated and assembled in the prefabrication yard. Then, a temporary working platform is erected at the bridge site, and safety measures such as safety nets and guardrails are implemented. Next, the pre-embedded climbing cones at the corners of the main tower are cleaned, and finally, the sections are installed. This invention utilizes the mature manufacturing and overall installation technology of steel structure + new ECC high-ductility concrete panel decorative components, as well as the advantages of ECC high-ductility concrete such as high elongation (durability) and low self-weight. It optimizes the complex box-cell structure of dense steel reinforcement + concrete in conventional decorative sections, reduces the construction difficulty and safety risks of conventional high-altitude cast-in-place construction, greatly reduces the self-weight of the structure, creates a more aesthetically pleasing linear shape, and effectively controls the construction quality.
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Citation Information

Patent Citations

  • Structural heat-preservation decoration integrated large-size prefabricated outer wall-hung plate and manufacturing method thereof

    CN104563384A

  • Cable-stayed bridge

    CN110205915A