Temporary platform structure and method for constructing a temporary platform

JP7873948B1Active Publication Date: 2026-06-15GECOSS CORP

Patent Information

Authority / Receiving Office: JP · JP
Patent Type: Patents
Current Assignee / Owner: GECOSS CORP
Filing Date: 2025-12-25
Publication Date: 2026-06-15

AI Technical Summary

Technical Problem

Constructing temporary platforms on soft ground using long support piles is costly and time-consuming, and conventional structures lack sufficient horizontal rigidity and overturning resistance against large cranes, necessitating labor-intensive pile removal or leaving piles in the ground.

Method used

A method involving ground improvement with a solidifying agent to create a rectangular or cylindrical ground improvement body, within which steel platform piles are erected, forming a unified structure that resists vertical and horizontal loads, using methods like medium- and deep-layer mixing to secure stability without reaching the supporting layer.

Benefits of technology

Reduces construction costs and time, enhances stability by dispersing horizontal loads and resisting overturning moments, while allowing easy pile removal post-construction.

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Abstract

This invention provides a temporary platform structure and its construction method that can secure sufficient vertical and horizontal bearing capacity without using long support piles by performing surface-level ground improvement at relatively shallow depths using methods such as the mid-layer mixing treatment method. [Solution] A method for constructing a temporary platform on the ground comprises: a ground improvement step of supplying a solidifying agent to a region of the ground 1 up to a predetermined depth and mixing and stirring it with the in-situ soil to create a rectangular prism-shaped or cylindrical ground improvement body 2 that has a planar extent; a pile driving step of driving steel platform piles 3 into the region of the ground improvement body 2; and a frame installation step of connecting the heads of a plurality of platform piles 3 and installing a frame that supports the work platform. The ground improvement body 2 is made strong enough to support the load acting on the temporary platform.

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