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"Formless Method", a symbiotic permanent formwork technique Kyosei offers, involves leaving concrete blocks, thinned timber, and fitted U-shaped steel plates on the surface of construction formwork using concrete, such as dams and weirs.
The Formless Method includes several types: SSS Formless, which is easy to assemble and reduces construction time; Thinning Formless, using materials like bark-covered logs and halved wood; and Rinritsu Formless, applied to the wall surfaces of concrete weirs and retaining walls.
Kyosei focuses on four key areas:
Kyosei prioritize functionality, ease of construction, and harmony with nature to meet widespread needs cost-effectively.
Kyosei's lightweight and easy-to-process steel permanent formwork, the "SSS Formless Method," can be handled on-site and features compact lifts up to 2 meters, reducing the need for frequent lift changes and concrete pours. This method saves costs by reducing the number of pours and associated expenses. The SSS Formless Method is ideal for companies looking to streamline lift changes.
Kyosei's permanent formwork methods are used in structures such as impermeable erosion control dams, which stabilize and fix potentially collapsing embankments and soil. These structures often utilize locally sourced soil or cement-mixed materials. Wall materials vary based on site conditions and include steel sheet piles and concrete blocks. For poor foundation conditions, methods such as downstream gentle slopes and double steel sheet pile foundations are used to minimize excavation.
Kyosei's permanent formwork is suitable for dams, riverbank retaining walls, and rockfall protection retaining walls. They offer solutions that include interlocking U-shaped steel plates and thinned wood for construction.
When selecting system formwork, consider the building materials, costs, and specific needs of your construction project to find the most suitable formwork.
We have selected formwork manufacturers from 55 companies found through a Google search for 'formwork panel manufacturers' as of February 1, 2022. The selection is based on the following criteria:
Based on construction examples, we have assessed the the number of construction cases handled, and categorized them into residential, commercial buildings, and civil engineering. We recommend those that simplify the installation process the most.
source：Forbuild Co.,Ltd.
http://www.forbuild.co.jp/en/
source：Ganjitsu Matere Co.,
https://www.ganjitsu.co.jp/gpanel/
source：nfe-kenzai
https://www.nfe-kenzai.co.jp/products/metal/formwork/metal-form/metal-foam.html