POSCO E&C Develops Optimized Design and Construction Technology for Remodeling Floor System Expansion

[Asia Economy Reporter Yoo In-ho] POSCO Engineering & Construction recently announced on the 14th that it has succeeded in developing an 'optimized design and construction technology for connecting new and old joints of remodeling slabs in multi-family housing.'

This technology has received conformity certification from the Architectural Institute of Korea, making it immediately applicable on-site.

The new technology developed by POSCO Engineering & Construction consists of two methods. The first method involves drilling holes into the cross-section of the existing floor slab, inserting rebar, and creating a serrated groove to enhance the stability of the joint when pouring the new floor slab concrete. The second method attaches a connector made of POSCO steel plates onto the existing floor slab, then pours the new floor slab concrete continuously to structurally integrate the two slabs.

POSCO Engineering & Construction's new methods require minimal concrete demolition of the existing slab, making construction easier and enabling reductions in construction time and costs. In particular, the amount of waste concrete generated is drastically reduced, making it environmentally friendly.

A POSCO Engineering & Construction representative explained that previously, to integrate the two slabs, the joint surface of the existing slab was demolished to roughen the surface, and new rebar for the new slab was connected to the exposed rebar before pouring concrete. However, this method had drawbacks such as long work periods and large amounts of waste concrete.

POSCO Engineering & Construction filed a patent for this remodeling technology in July and, having obtained conformity certification from the Architectural Institute of Korea, is preparing to acquire construction new technology certification from the Korea Construction & Transportation New Technology Association, which covers joint structures and construction procedures.

A POSCO Engineering & Construction official stated, “We plan to continuously introduce innovative technologies with constructability and safety in the multi-family housing remodeling sector to lead the remodeling business.”

This content was produced with the assistance of AI translation services.