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Journal of the Korea Concrete Institute

J Korea Inst. Struct. Maint. Insp.
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  • Korea Citation Index (KCI)




, ํ•ฉ์„ฑ๋ชฉ์žฌ, ์ปดํŒŒ์šด๋“œ, ์ˆœํ™˜์žฌํ’ˆ, ๋ชจ๋“ˆ๋Ÿฌ, ์ •์ด์‹ญ๋ฉด์ฒด, ์ขŒ๊ตด๋ชจ๋“œ, ์ง€์˜ค๋ฐ์ง ๋”
Wood-plastic composite, Compound, Recycled product, Modular system, Icosahedron, Buckling mode, Geodesic dome

1. ์„œ ๋ก 

ํ๋ชฉ์žฌ์™€ ํํ”Œ๋ผ์Šคํ‹ฑ์„ ํ•ฉ์„ฑํ•˜์—ฌ ์นœํ™˜๊ฒฝ์  ์žฌ๋ฃŒ๋กœ์„œ ์žฌํƒ„ ์ƒํ•˜๋Š” ํ•ฉ์„ฑ๋ชฉ์žฌ๋Š” ์ข…๋ž˜ ํ๊ธฐ ํ˜น์€ ์†Œ๊ฐ๋˜์–ด ํ™˜๊ฒฝ์— ์ง์ ‘์  ์ธ ์˜ํ–ฅ์„ ๋ฏธ์น  ์ˆ˜ ์žˆ์—ˆ๋˜ ํ์ž์žฌ๋ฅผ ์ˆœํ™˜์ž์›์œผ๋กœ์„œ ์žฌ์‚ฌ์šฉ ์ด ๊ฐ€๋Šฅํ•˜๊ฒŒ ๋˜๋Š” ๊ธฐํšŒ๋ฅผ ์ œ๊ณตํ•˜์˜€๋‹ค. ํ™˜๊ฒฝ๋ฌธ์ œ๋ฅผ ํ•ด๊ฒฐํ•˜๊ธฐ ์œ„ํ•œ ์ข‹์€ ๋ฐฉ๋ฒ• ์ค‘ ํ•˜๋‚˜๋กœ์„œ ๋ชฉ๋ถ„์˜ ํ•จ๋Ÿ‰์— ๋”ฐ๋ผ ์ƒ์‚ฐ๊ณผ ์  ์šฉ์— ์—ฌ๋Ÿฌ ๊ฐ€์ง€ ์–ด๋ ค์›€์ด ์žˆ๊ธฐ ๋•Œ๋ฌธ์— ์ตœ๊ทผ ๋งŽ์€ ์—ฐ๊ตฌ๊ฐ€ ์ง„ ํ–‰ ์ค‘์ด๋‹ค. ์ผ๋ฐ˜์ ์œผ๋กœ ๊ฑด์ถ• ์žฌ๋ฃŒ๋กœ ํ™œ์šฉ๋˜๋Š” ํ•ฉ์„ฑ๋ชฉ์žฌ์˜ ๋ชฉ ๋ถ„ํ•จ๋Ÿ‰์€ 60%๊ฐ€ ์ฃผ๋ฅผ ์ด๋ฃจ๊ณ  ์žˆ์œผ๋ฉฐ, ๋ชฉ๋ถ„ํ•จ๋Ÿ‰์ด ์ฆ๊ฐ€๋œ ํ•ฉ ์„ฑ๋ชฉ์žฌ์˜ ํ™œ์šฉ์€ ํ™˜๊ฒฝ ์นœํ™”์  ์š”์†Œ์ธ ๋งŒํผ ๋งŽ์€ ๊ด€์‹ฌ์„ ๋ฐ›๊ณ  ์žˆ๋‹ค. ์ตœ๊ทผ 70% ์ด์ƒ์˜ ๋ชฉ๋ถ„์ด ํ•จ์œ ๋œ ํ•ฉ์„ฑ๋ชฉ์žฌ์™€ ์ปดํŒŒ์šด๋“œ ์˜ ์ œ์กฐ๊ธฐ๋ฒ•์— ๋Œ€ํ•ด ๋งŽ์ด ์—ฐ๊ตฌ ๊ฐœ๋ฐœ๋˜๊ณ  ์žˆ์œผ๋ฉฐ, ๊ฑด์ถ•๊ตฌ์กฐ๋ฌผ ์ด๋‚˜ ์กฐํ˜•๋ฌผ ๋˜๋Š” ๋ถ€๋Œ€์‹œ์„ค ๋“ฑ์˜ ๋‹ค์–‘ํ•œ ๋ถ€๋ถ„์— ์ด์šฉ๋˜๊ณ  ์žˆ๋‹ค. ๊ณ ์ถฉ์ง„ ํ•ฉ์„ฑ๋ชฉ์žฌ๋ฅผ ์ด์šฉํ•œ ๊ฑด์ถ• ๊ตฌ์กฐ๋ฌผ์˜ ์‘์šฉ์—์„œ ์ฃผํƒ ๊ณผ ๊ฐ™์€ ๊ตฌ์กฐ๋ฌผ์— ์ ์šฉํ•  ๊ฒฝ์šฐ ์••์ถœ์„ฑํ˜•์— ๋Œ€ํ•œ ํŠน์„ฑ์ด ์žˆ์œผ ๋ฏ€๋กœ ๋ชจ๋“ˆํ™” ๋œ ๊ตฌ์กฐ๋ฌผ์„ ๊ณ„ํšํ•˜์—ฌ ๊ณ ํ’ˆ์งˆ์˜ ๋‹จ์œ„๋ถ€์žฌ๋ฅผ ์ œ ๊ณตํ•˜๋Š” ๊ฒƒ์€ ๊ฐ€๊ฒฉ ๊ฒฝ์Ÿ๋ถ€๋ถ„์—์„œ ์œ ๋ฆฌํ•  ์ˆ˜ ์žˆ๊ณ , ์œ ๋‹›ํ™”ํ•œ ๋‹จ์ผ์ œํ’ˆ์„ ๊ทœ๊ฒฉํ™”ํ•˜์—ฌ ์ƒ์‚ฐํ•  ์ˆ˜ ์žˆ๊ธฐ ๋•Œ๋ฌธ์— ๊ตฌ์กฐ๋ฌผ์˜ ๋ชจ ๋“ˆํ™”๋Š” ๋งค์šฐ ์ค‘์š”ํ•œ ์š”์†Œ๋กœ ์ž‘์šฉํ•œ๋‹ค. ํ˜„์žฅ์ƒ์‚ฐ์ค‘์‹ฌ์˜ ๊ฑด์ถ• ๋ฌผ์„ ๊ณต์žฅ์ƒ์‚ฐ์ค‘์‹ฌ์˜ ๊ฑด์ถ•๋ฌผ๋กœ ์ „ํ™˜ํ•œ ๋ชจ๋“ˆ๋Ÿฌ ๊ฑด์ถ•์€ ๋‹จ์œ„ ์œ ๋‹›์˜ ๊ฐœ๋ฐœ๊ณผ ์–‘์‚ฐ์„ ํ†ตํ•ด ๊ฒฝ์ œ์„ฑ์ด ๋†’์•„์ง„๋‹ค. ์ด๊ฒƒ์€ ๊ตฌ์กฐ ์ฒด์˜ ๋ชจ๋“ˆํ™”๋ฅผ ํ†ตํ•ด์„œ ์ œ์ž‘์˜ ์–ด๋ ค์›€์— ๋”ฐ๋ฅธ ๋ฌธ์ œ๋ฅผ ํ•ด๊ฒฐํ•  ์ˆ˜ ์žˆ๋Š” ๋ฐฉ๋ฒ•์„ ์ œ์‹œํ•˜๋Š” ๊ฒƒ์ด๋‹ค. ๊ณต๊ธฐ๊ฐ€ ๋‹จ์ถ•๋จ์œผ๋กœ ์ธํ•ด ์›๊ฐ€๋ฅผ ์ ˆ๊ฐ๊ณผ ๊ฐ™์€ ์žฅ์ ์„ ํฌํ•จํ•ด ๋ชจ๋“ˆํ™”๋Š” ํ™˜๊ฒฝ ์นœํ™”์ ์ธ ๊ฑด์ถ•๋ฌผ์„ ์‹œ๋„ํ•  ์ˆ˜ ์žˆ๋‹ค๋Š” ์žฅ์ ๋„ ๋งŽ์ด ์†Œ๊ฐœ๋˜์—ˆ๊ณ , ๊ต๋Ÿ‰์— ๋„ ์ ์šฉ๋˜์–ด ์—ฌ๋Ÿฌ ๊ฐ€์ง€ ์—ฐ๊ตฌ์™€ ๊ด€์‹ฌ์„ ์–ป์—ˆ๋‹ค. ํŠนํžˆ ์ฃผํƒ ๊ฑด ์„ค์‹œ์žฅ์—์„œ๋Š” ๋ฐ•์Šคํ˜• ๋ชจ๋“ˆ์— ๋Œ€ํ•œ ์„ฑ๋Šฅ๊ณผ ์กฐ๋ฆฝ์— ๋Œ€ํ•œ ์—ฐ๊ตฌ ๊ฐ€ ๋งŽ์ด ๋‹ค๋ฃจ์–ด์กŒ๋‹ค. ๊ทธ๋Ÿฌ๋‚˜ ๊ณก๋ฉด๊ตฌ์กฐ๋ฌผ์— ๋Œ€ํ•œ ๋ชจ๋ธ๋ง ๋ฐฉ๋ฒ• ์˜ ์—ฐ๊ตฌ๋Š” ์•„์ง ๋ฏธ๋น„ํ•œ ์‹ค์ •์ด๋‹ค. ๋”ฐ๋ผ์„œ ๋ณธ ์—ฐ๊ตฌ์—์„œ๋Š” ์žฌ ์ƒ๋ชฉ์žฌ์˜ ํ™œ์šฉ์„ ์œ„ํ•ด์„œ ์นœํ™˜๊ฒฝ ๊ณก๋ฉด ๋” ๊ตฌ์กฐ์˜ ์ ์šฉ๊ณผ ์œ ๋‹› ํ™”๋ฅผ ๋ชฉ์ ์œผ๋กœ ๊ตฌ์กฐ๋ฌผ์˜ ์ ์šฉ์„ฑ๊ณผ ๋ชจ๋“ˆํ™” ๋ฐฉ๋ฒ•์— ๋Œ€ํ•ด์„œ ์—ฐ ๊ตฌ๋ฅผ ์ˆ˜ํ–‰ํ•˜๋„๋ก ํ•œ๋‹ค. ๊ณก๋ฉด ๋” ๊ตฌ์กฐ์˜ ๋ชจ๋ธ๋ง์„ ์œ„ํ•ด์„œ ์ • ์ด์‹ญ๋ฉด์ฒด ๊ธฐ๋ฐ˜์˜ ์ง€์˜ค๋ฐ์ง ๋”๊ณผ ๊ฐ™์€ ๋ชจ๋“ˆํ™”๊ฐ€ ๊ฐ€๋Šฅํ•œ ๊ตฌ์กฐ ์ฒด์— ๋Œ€ํ•ด ์ ์šฉํ•˜๋„๋ก ํ•˜๊ณ , ๋ชจ๋“ˆํ™”๋ฅผ ์œ„ํ•œ ๋ถ€์žฌ ๋ฐ ์ ˆ์  ๋ชจ ๋ธ๋ง ๋ฐฉ๋ฒ•๊ณผ ์ œ์ž‘๋ฐฉ๋ฒ• ๋“ฑ์— ๋Œ€ํ•ด์„œ ์—ฐ๊ตฌํ•˜๊ณ ์ž ํ•œ๋‹ค. ์ •์ด์‹ญ ๋ฉด์ฒด ๊ธฐ๋ฐ˜์˜ ์ง€์˜ค๋ฐ์ง ๋”์€ ์˜ค๋žœ ๊ธฐ๊ฐ„ ๋งŽ์€ ๋ถ„์•ผ์—์„œ ์—ญํ•™์  ์šฐ์ˆ˜์„ฑ์„ ํ™•์ธํ•  ์ˆ˜ ์žˆ๋Š” ํ˜•ํƒœ์ €ํ•ญํ˜• ๊ตฌ์กฐ์ฒด๋กœ์„œ ๋ชจ๋“ˆํ™” ํ•˜ ์—ฌ ์ƒ์‚ฐํ•˜๊ธฐ ์ ํ•ฉํ•œ ๊ตฌ์กฐ์‹œ์Šคํ…œ์ด๋ฉฐ ์ด๋ฅผ ํ™œ์šฉํ•œ ๊ณตํ•™์  ์ œ ์ž‘๋ฌผ์„ ์‹ค์ œ๋กœ ์ œ์ž‘ํ•˜์—ฌ ๊ณต์ • ๋‹จ์ˆœํ™” ๋ฐ ์ ˆ์ ์—ฐ๊ฒฐ๊ตฌ์˜ ๋ชจ๋“ˆ ํ™”๋ฅผ ํ†ตํ•˜์—ฌ ์‹ค์šฉ์„ฑ์˜ ์—ฌ๋ถ€๋ฅผ ์‚ดํŽด๋ณด๋„๋ก ํ•œ๋‹ค. ๋˜ํ•œ ๋ชจ๋“ˆ๋Ÿฌ ๋” ๊ตฌ์กฐ๋ฌผ์˜ ๋ชจ๋ธ๋ง์— ๊ด€ํ•œ ์—ฐ๊ตฌ ๋ฐ ์‹œํ—˜ ์กฐํ˜•๋ฌผ ๋ชจ๋ธ ์ œ์ž‘ ๊ณผ ํ•ด๋‹น ๊ตฌ์กฐ๋ฌผ์— ๋Œ€ํ•œ ๊ตฌ์กฐํ•ด์„์„ ์‹ค์‹œํ•จ์œผ๋กœ์จ ์ถ”ํ›„ ๊ตฌ์กฐ ์„ฑ๋Šฅ ๊ฒ€์ฆ ์ ์šฉ์— ๊ธฐ์ดˆ์ž๋ฃŒ๋กœ ํ™œ์šฉํ•˜๊ณ ์ž ํ•œ๋‹ค.

2. ๊ณ ์ถฉ์ง„ ์••์ถœ์„ฑํ˜• ํ•ฉ์„ฑ๋ชฉ์žฌ

๋ชฉ๋ถ„ํ•จ๋Ÿ‰ 70%์˜ ๊ณ ์ถฉ์ง„ ํ•ฉ์„ฑ๋ชฉ์žฌ์˜ ์ƒ์‚ฐ๋ผ์ธ์€ ๊ธฐ์กด์˜ ์ƒ์‚ฐ ๊ณต์ •์—์„œ ์ˆ˜๋ถ„ํ•จ๋Ÿ‰์˜ ์ฒ˜๋ฆฌ๊ณผ์ •๊ณผ ์••์ถœ์„ฑํ˜•์— ๋Œ€ํ•œ ์—ฌ ๋Ÿฌ ๊ฐ€์ง€ ๊ณต์ •์—์„œ ๊ฐ€์žฅ ํ•ฉ๋ฆฌ์ ์ด๊ณ  ์ƒ์‚ฐ์ ์ธ ๊ณผ์ •์„ ์ž˜ ์กฐํ•ฉ ํ•˜๋Š” ๊ฒƒ์ด ํ•„์š”ํ•˜๋‹ค. ๊ณ ์ถฉ์ง„ ํ•ฉ์„ฑ๋ชฉ์žฌ์˜ Fig. 1๊ณผ ๊ฐ™์€ ์ƒ์‚ฐ ๊ณต์ •์€ ์—ฌ๋Ÿฌ ๋‹จ๊ณ„๋ฅผ ๊ฑฐ์ณ ์••์ถœ ์„ฑํ˜•๋˜๋ฉฐ, ๋‹จ์œ„๋ถ€์žฌ๋Š” ๊ธฐ๋ณธ์  ์œผ๋กœ ๋ฐํฌ์— ์‚ฌ์šฉ๋˜๋Š” ๊ทœ๊ฒฉ์—์„œ ํŒŒ์ƒ๋œ ์ œํ’ˆ์„ ๊ตฌ์„ฑํ•˜๋Š” ๊ฒƒ ์ด ์ƒ์‚ฐ ์‹œ์„ค์˜ ์ค‘๋ณต ์—†์ด๋„ ๊ฐœ๋ฐœํ•  ์ˆ˜ ์žˆ๊ฒŒ ๋˜์–ด ๊ฒฝ์ œ์„ฑ์„ ํ™•๋ณดํ•  ์ˆ˜ ์žˆ๋‹ค. ๊ตฌ์กฐ์žฌ๋กœ์„œ์˜ ์‚ฌ์šฉ์€ ์••์ถœ์„ฑํ˜•๊ณผ์ •์—์„œ ์„ฑ ํ˜•ํ•˜๊ธฐ ์œ„ํ•œ ๋ฐฉ๋ฒ•๋„ ์˜ํ–ฅ์„ ๋ฏธ์น˜์ง€๋งŒ ์ผ์ฐจ ์˜ํ–ฅ์€ ๋ชฉ๋ถ„์˜ ํ•จ ๋Ÿ‰๊ณผ ๋ชฉ๋ถ„๊ณผ ํ”Œ๋ผ์Šคํ‹ฑ์˜ ์žฅ๋‹จ์ ์„ ๊ณจ๊ณ ๋ฃจ ๊ฐ€์ง€๊ฒŒ ํ•˜๊ธฐ ์œ„ํ•œ ์ปดํŒŒ์šด๋“œ์ด๋‹ค. Fig. 2๋Š” ๊ฐ ์„ฑ๋ถ„์— ๋”ฐ๋ฅธ ์žฅ๋‹จ์ ์„ ๋‚˜ํƒ€๋‚ธ ๊ฒƒ ์œผ๋กœ ์ตœ์ ์˜ ๋ฐฐํ•ฉ์ด ๋งค์šฐ ์ค‘์š”ํ•˜๋‹ค.

Fig. 1.

Eco-friendly and recycle process of WPC

JKSMI-19-76_F1.jpg
Fig. 2.

The advantages and material composition of WPC

JKSMI-19-76_F2.jpg

ํ•ฉ์„ฑ๋ชฉ์žฌ๋Š” ๊ณต์›์ด๋‚˜ ํ•ด๋ณ€๊ฐ€ ์‚ฐ์ฑ…๋กœ ๋ฐ ๋“ฑ์‚ฐ ํƒ๋ฐฉ๋กœ ๋“ฑ ์œ  ์ง€๊ด€๋ฆฌ๊ฐ€ ํž˜๋“ค๊ณ  ๋‚ด๊ตฌ์„ฑ์„ ํ•„์š”๋กœ ํ•˜๋Š” ๊ณณ์— ๋ฐฉ๋ถ€๋ชฉ ๋˜๋Š” ์ฒœ ์—ฐ๋ชฉ์žฌ์˜ ๋Œ€์ฒด์šฉ์œผ๋กœ ๋งŽ์ด ์‚ฌ์šฉํ•˜์˜€์œผ๋ฉฐ, ๊ตฌ์กฐ์  ์„ฑ๋Šฅ์„ ๊ฐœ ์„ ํ•œ ์ œํ’ˆ์˜ ๊ฒฝ์šฐ๋Š” ๊ฑด์ถ•๊ตฌ์กฐ๋ฌผ์˜ ๋ถ€์žฌ๋กœ ์‚ฌ์šฉ๊ฐ€๋Šฅํ•˜๊ฒŒ ํ•œ ๋‹ค. ๋ณธ ์—ฐ๊ตฌ์˜ ํ•ฉ์„ฑ๋ชฉ์žฌ๋Š” ๋ชฉ๋ถ„ 70% + ํด๋ฆฌํ•„๋ Œ (PP) 18% + ๊ธฐํƒ€ ์ฒจ๊ฐ€์ œ 12%๋ฅผ ๊ฒฐํ•ฉํ•จ์œผ๋กœ์„œ ๋ชฉ์žฌ๋ณด๋‹ค ์›”๋“ฑํ•œ ๋ฌผ์„ฑ ์„ ๊ฐ€์ง€๋ฉฐ, ๊ตฌ์กฐ์žฌ๋กœ ์‚ฌ์šฉ๋˜๋Š” ์ œํ’ˆ์€ Table 1๊ณผ ๊ฐ™์ด ๋ถ„๋ฅ˜ ๋œ๋‹ค. ํŠนํžˆ ๊ณ ์ถฉ์ง„ ๋ชฉ๋ถ„์˜ ๊ฒฝ์šฐ ์ œ์ž‘์‹œ ์ˆ˜๋ถ„๊ณผ ์ œ์ž‘๊ณต์ •์˜ ํŠน์ˆ˜ํ•œ ๊ธฐ๋ฒ•์ด ํ•„์š”ํ•˜๋‹ค.

Table 1.

WPC products list

Shape Name Section Dimensions (mm)
Thickness Width Form
JKSMI-19-76_T1-F1.jpg ED-SS85 JKSMI-19-76_T1-F2.jpg 35 85 Solid
JKSMI-19-76_T1-F3.jpg ED-SS35 JKSMI-19-76_T1-F4.jpg 35 35 Solid
JKSMI-19-76_T1-F5.jpg ED-PO2 JKSMI-19-76_T1-F6.jpg 110 110 Hollow
JKSMI-19-76_T1-F7.jpg ED-SH90 JKSMI-19-76_T1-F8.jpg 35 90 Hollow
JKSMI-19-76_T1-F9.jpg ED-SH50 JKSMI-19-76_T1-F10.jpg 25 90 Hollow

๋ณธ ๋…ผ๋ฌธ์—์„œ ์ ์šฉ๋˜๋Š” ๊ณ ์ถฉ์ง„ ์žฌ์ƒ๋ชฉ์žฌ์˜ ๊ฒฝ์šฐ ์นœํ™˜๊ฒฝ์„ฑ ์ด ๋›ฐ์–ด๋‚œ ์ œํ’ˆ์œผ๋กœ ๋ชจ๋“ˆ๋Ÿฌ ๊ตฌ์กฐ๋ฌผ์— ์ ์šฉํ•˜๊ธฐ ์œ„ํ•œ ์ƒ์‚ฐ์ œ ํ’ˆ๋“ค์€ KS F 3230์˜ ๊ธฐ๊ณ„์  ํŠน์„ฑ ๊ฒ€์ฆ์‹œํ—˜์„ ๋งŒ์กฑํ•˜๋ฉฐ, GR F 2016์˜ ํ™˜๊ฒฝ์„ฑ๋Šฅ ๊ฒ€์ฆ์‹œํ—˜์„ ํ†ต๊ณผํ•œ ๊ฒƒ์ด๋‹ค. ๊ฐ ๊ฒ€์ฆ์‹œํ—˜ ์˜ ํ•ญ๋ชฉ์œผ๋กœ๋Š” ์ตœ๋Œ€๊ตด๊ณกํ•˜์ค‘, ๋’คํ‹€๋ฆผ์„ฑ, ๋™๊ฒฐ์œตํ•ด (์ตœ๋Œ€๊ตด๊ณก ํ•˜์ค‘๋ณ€ํ™”์œจ), ๋‚ดํ›„์„ฑ, ๋‚œ์—ฐ์„ฑ, ์ˆ˜๋ถ„ํก์ˆ˜์œจ (์ค‘๋Ÿ‰๋ณ€ํ™”), ๊ธธ์ด์„  ํŒฝ์ฐฝ๊ณ„์ˆ˜ ๋“ฑ์˜ ์‚ฌํ•ญ์— ๋Œ€ํ•ด์„œ ํ•„์š”์กฐ๊ฑด์„ ๋งŒ์กฑํ•œ๋‹ค. ๋ชจ๋“ˆ๋Ÿฌ ๋”์— ์ ์šฉ๋œ ์‹œํ—˜๋ชจํ˜•์˜ ๊ฒฝ์šฐ ED-SS35๋ถ€์žฌ๋ฅผ ์ด์šฉํ•˜๋„๋ก ํ•˜๋ฉฐ, ์ตœ๋Œ€ํœจ๊ฐ•๋„๋กœ 31N/mm2 , ํก์ˆ˜์œจ 0.6%, ๋ฏธ๋„๋Ÿผ์ €ํ•ญ์„ฑ 34BRN, ์„ ํŒฝ์ฐฝ๊ณ„์ˆ˜ 2.9 ร— 10- 5 , ๋‚˜์‚ฌ๋ชป ์œ ์ง€๋ ฅ 1.196N ๋ฐ ํœจ๊ฐ•๋„ (๋‚ดํ•œ์„ฑ ๋ฐ ์Šต์—ด์„ฑ ์‹œํ—˜) 30N/mm2 ์˜ KS๊ทœ์ค€์„ ๋งŒ ์กฑํ•˜๋Š” ์žฌํ’ˆ์„ ์‚ฌ์šฉํ•œ๋‹ค.

3. ๋ชจ๋“ˆ๋Ÿฌ ๋” ๊ตฌ์กฐ๋ชจ๋ธ๋ง

์›ํ˜•์˜ ํ‰๋ฉด์— ์ง€์˜ค๋ฐ์ง ๊ณต๊ฐ„์„ ์ด์šฉํ•œ ๋ชจ๋ธ๋ง์— ๋Œ€ํ•˜์—ฌ ์‚ดํŽด๋ณผ ์ˆ˜ ์žˆ๋Š” ๊ธฐํ•˜ํ•™์  ํ˜•์ƒ์˜ ์žฅ์ ์€ ์ ˆ์ ์ด ๋ชจ๋‘ ์„ธ๊ฐ€์ง€ ์˜ ํ˜•ํƒœ๋กœ ๋ชจ๋“ˆํ™” ํ•  ์ˆ˜ ์žˆ๋‹ค๋Š” ๊ฒƒ๊ณผ ๋ถ€์žฌ์˜ ๊ธธ์ด๋„ ๋ชจ๋‘ 3 ๊ฐ€์ง€์˜ ํ˜•ํƒœ๋กœ ๋‹จ์ˆœํ™” ๋œ๋‹ค๋Š” ์ ์ด๋‹ค. ๊ณก๋ฉด์œผ๋กœ ํ˜•์„ฑ๋œ ์ง€๋ถ• ํด๋ž˜๋”ฉ์˜ ๊ตฌ์„ฑ์—์„œ ์‚ผ๊ฐํ˜• ์กฐ์ธํŠธ์—์„œ ์—ฐ๊ฒฐ๋˜๋Š” ๊ฐ๊ฐ์˜ ๋ถ€ ์žฌ๋Š” ๊ฐ๋„์˜ ์กฐ์ ˆ์ด ๋งค์šฐ ๋ณต์žกํ•ด ์งˆ ์ˆ˜ ์žˆ์ง€๋งŒ ์ •์ด์‹ญ๋ฉด์ฒด ๊ธฐ๋ฐ˜ ์ง€์˜ค๋ฐ์ง ๋”์˜ ๊ฒฝ์šฐ ์˜ค๊ฐํ˜•๊ณผ ์œก๊ฐํ˜• ๋‹จ์œ„ ์œ ๋‹›์— ์˜ํ•ด ์„œ ์ธ์ ‘ํ•œ ์‚ผ๊ฐํ˜•์˜ ์กฐํ•ฉ์ด ๊ฒฐ์ •๋˜๋ฏ€๋กœ ๋งค์šฐ ์‹œ์Šคํ…œํ™”ํ•˜๊ธฐ ์— ์ข‹์€ ํ˜•์ƒ์ด๋‹ค. ๋‹จ์œ„ ๋ชจ๋“ˆํ™” ํ•˜๋Š” ๊ณผ์ •์—์„œ ์‚ผ๊ฐํ˜•์˜ ์—ฌ ๋Ÿฌ ์กฐํ•ฉ์œผ๋กœ ์ด๋ฃจ์–ด์ง€๋Š” ๊ณต๊ฐ„์— ๋Œ€ํ•ด์„œ ์˜ค๊ฐ๊ณผ ์œก๊ฐ๋ฟ”์˜ ํ˜• ํƒœ๋กœ ์ง‘์•ฝ๋˜๋ฉฐ, ์ด๋“ค์˜ ๊ฐ๊ฐ์„ ์กฐ๋ฆฝํ•จ์œผ๋กœ์„œ ๋‹จ์ˆœํ™” ํ•œ ๋ชจ๋ธ ์ด ๊ฑด์ถ• ๊ตฌ์กฐ๋ฌผ๋กœ์„œ์˜ ์—ญํ• ์„ ์ˆ˜ํ–‰ํ•  ์ˆ˜ ์žˆ๊ฒŒ ๋œ๋‹ค.

3.1 ์ •์ด์‹ญ๋ฉด์ฒด ๊ธฐ๋ฐ˜ ์ง€์˜ค๋ฐ์ง ๋”

์ •์ด์‹ญ๋ฉด์ฒด (Icosahedron)๋Š” Fig. 3๊ณผ ๊ฐ™์ด ํ•œ ๊ฐœ์˜ ๊ผญ์ง“์  ์— ๋‹ค์„ฏ ๊ฐœ์˜ ๋ฉด์ด ๋งŒ๋‚˜๊ณ , 20๊ฐœ์˜ ์ •์‚ผ๊ฐํ˜• ๋ฉด์œผ๋กœ ์ด๋ฃจ์–ด ์ง„ 3์ฐจ์› ์ •๋‹ค๋ฉด์ฒด์ด๋‹ค. ์ง€์˜ค๋ฐ์ง ๋”์€ ๋ชจ๋“  ์ ˆ์ ์ด ๊ตฌ๋ฉด์— ์œ„์น˜ํ•˜๋Š” ์ •์ด์‹ญ๋ฉด์ฒด์˜ ๊ผญ์ง“์ ์„ ์ •์‚ผ๊ฐํ˜• ํŒจ๋„๋กœ ๋ถ„ํ• ํ•œ ๊ตฌ์กฐ๋กœ ์˜ค๊ฐ๋ฟ” ๋ฐ ์œก๊ฐ๋ฟ” ์œ ๋‹›์„ ์กฐํ•ฉํ•˜์—ฌ Fig. 4์™€ ๊ฐ™์€ ๋” ๋ชจ๋“ˆ๋Ÿฌ ๋ชจํ˜•์„ ํ˜•์„ฑํ•  ์ˆ˜ ์žˆ๋‹ค. ๋ณธ ๋ชจํ˜•์—์„œ ๊ธฐ๋ณธ ๋‹จ์œ„์ฒด๋Š” ์˜ค๊ฐ๋ฟ”๊ณผ ์œก๊ฐ๋ฟ”์ด๋ฉฐ, ์ด๋“ค์€ ๊ฐ๊ฐ์ด ๋‹จ์œ„ ์‚ผ๊ฐํ˜•์„ ๊ฐ€์ง„๋‹ค. ๊ธฐํ•˜ํ•™์  ํ˜•์ƒ์˜ ์ •์˜์— ์žˆ์–ด์„œ ์‚ผ๊ฐ ์š”์†Œ์˜ ํฌ๊ธฐ์™€ ๊ฒฉ์ž์š” ์†Œ๋“ค์€ ํฌ๊ธฐ๊ฐ€ ๋‹ค๋ฅด๊ณ , ์˜ค๊ฐ๋ฟ” ๋‚ด๋ถ€์™€ ์œก๊ฐ๋ฟ” ๋‚ด๋ถ€์˜ ๊ธธ์ด๋Š” ๋‹ค๋ฅด๋‹ค. ๋‹จ์œ„๊ธธ์ด๋ฅผ ๊ธฐ์ค€์œผ๋กœ ์˜ค๊ฐ๋ฟ”์˜ ๋‚ด๋ถ€์˜ ๊ธธ์ด๋Š” ์งง์•„ ์ง€๊ณ  ์œก๊ฐ๋ฟ”์˜ ๋‚ด๋ถ€์˜ ๊ธธ์ด๋Š” ๊ธธ์–ด์ง„๋‹ค. ์ ˆ์ ์€ ๋ชจ๋‘ 41๊ฐœ์˜ ์ ˆ์ ์œผ๋กœ ๊ตฌ์„ฑ๋˜๋ฉฐ, 60๊ฐœ์˜ ์ •์‚ผ๊ฐํ˜• ๋ชจ๋ธ๋ง ์š”์†Œ ๋ฐ 100๊ฐœ ์˜ ๊ฒฉ์ž ๋„คํŠธ์›Œํฌ ์š”์†Œ๋กœ ๊ตฌ์„ฑ๋œ๋‹ค. Fig. 5์˜ (a) ํ‰๋ฉด๋„์—์„œ ๊ฒ€์€ ์‹ค์„ ์˜ lu ๋Š” ์ •์ด์‹ญ๋ฉด์ฒด ๊ฒฉ์ž๊ตฌ์กฐ์˜ ํ•œ๋ชจ์„œ๋ฆฌ ๋ฉด์˜ 1/3 ์˜ ๊ธธ์ด์— ํ•ด๋‹น๋˜๋ฉฐ, ์—ด ๊ฐœ์˜ ์‚ผ๊ฐํ˜•์œผ๋กœ ๊ตฌ์„ฑ๋œ ํ•œ ๋ฉด์€ ๊ตฌ ๋ฉด์˜ ๊ณก๋ฅ ์„ ๊ฐ€์ง„๋‹ค. ์ด์™€ ๊ฐ™์€ ์กฐ๊ฑด์˜ ํ˜•์ƒ์— ๋Œ€ํ•ด์„œ ์‚ผ๊ฐ ํ˜• ๋ฉด๊ตฌ์กฐ๋กœ ๊ตฌ์„ฑ๋œ ์ž…์ฒดํ˜•์ƒ์€ Fig. 5์˜ (b)์™€ ๊ฐ™๋‹ค.

Fig. 3.

Shape of a Icosahedron and Pentagram coordination

JKSMI-19-76_F3.jpg
Fig. 4.

Test model of dome modular based icosahedron

JKSMI-19-76_F4.jpg
Fig. 5.

Unit length lu and 3D shape of triangular panel

JKSMI-19-76_F5.jpg

3.2 ์ ˆ์  ๋ชจ๋“ˆ ๋ฐ 3์ฐจ์› ๋ชจ๋ธ๋ง

๊ธฐ๋ณธ๋„ํ˜•์˜ ๊ฒฝ์šฐ ์•ž์„œ ์„ค๋ช…ํ•œ ๋ฐ”์™€ ๊ฐ™์ด ์‚ผ๊ฐํ˜•์„ ๊ธฐ๋ฐ˜์œผ ๋กœ ์˜ค๊ฐ ๋ฐ ์œก๊ฐ ๋ฟ” ๋ชจ์–‘์˜ ๊ฒฐํ•ฉ๋„ํ˜•์ด ์ฃผ ํ˜•์ƒ์ด ๋œ๋‹ค. ์ ˆ ์ ์˜ ๋ชจ๋“ˆํ™”๋ฅผ ์œ„ํ•ด ์„ธ ๊ฐ๋„์™€ ์ธ์ ‘ ๋‹ค๊ฐํ˜•์˜ ์กฐ๊ฑด์— ๋”ฐ๋ผ ์˜ค๊ฐํ˜• ์ ˆ์  ๋ฐ ์œก๊ฐํ˜• ์ ˆ์ ์„ ๊ตฌ์„ฑํ•˜์˜€๋‹ค. Fig. 6์—์„œ์™€ ๊ฐ™ ์ด ์„ธ ๊ฐ€์ง€ ๊ฒฝ์šฐ์˜ ์ ˆ์  ๋ชจ๋“ˆ์„ ์ œ์‹œํ•  ์ˆ˜ ์žˆ์œผ๋ฉฐ, ์œก๊ฐ๋ฟ”์˜ ์—ฐ๊ฒฐ๋กœ๋งŒ ์ด๋ฃจ์–ด์ง„ ์œก๊ฐ์ ˆ์ , ์˜ค๊ฐ๋ฟ”์˜ ๋„ํ˜•์—์„œ ์‚ฌ์šฉ๋˜์–ด์ง€ ๋Š” ์˜ค๊ฐ์ ˆ์  ๊ทธ๋ฆฌ๊ณ  ์˜ค๊ฐํ˜•๊ณผ ์œก๊ฐํ˜•์ด ์„œ๋กœ ์—ฐ๊ฒฐ๋˜๋Š” ์ ˆ์  ์—์„œ์˜ ์˜ค๊ฐ ๋ฐ ์œก๊ฐ ๊ต์ ์œผ๋กœ ๋ชจ๋“ˆํ™” ๋œ๋‹ค. ์˜ค๊ฐํ˜• ์ ˆ์ ์˜ ๊ฒฝ์šฐ ์˜ค๊ฐ๋ฟ”์˜ ์ค‘์•™์— ์œ„์น˜ํ•œ ์ ˆ์ ์œผ๋กœ ๊ฐ๋„๊ฐ€ ์ผ์ •ํ•˜์—ฌ ์„ค ๊ณ„ ๋ฐ ์ œ์ž‘ํ•˜๊ธฐ ๊ฐ„ํŽธํ•˜๋‹ค. ์œก๊ฐํ˜• ์ ˆ์ ์˜ ๊ฒฝ์šฐ ๋‘ ๊ฐ€์ง€ ๊ฒฝ์šฐ ๊ฐ€ ๋ฐœ์ƒํ•˜๋Š”๋ฐ ์œก๊ฐ๋ฟ”์˜ ์ •์ ์— ์œ„์น˜ํ•œ ์ ˆ์ ๊ณผ ์˜ค๊ฐํ˜•๊ณผ ์œก ๊ฐํ˜•์˜ ๋ชจ๋“ˆ์ด ๊ฒน์ณ์ง€๋Š” ์ ˆ์ ์—์„œ์˜ ์ œ์ž‘ ๊ฐ๋„๊ฐ€ ๊ฐ™๊ฒŒ ๋‚˜ํƒ€ ๋‚œ๋‹ค. ๋”ฐ๋ผ์„œ ์„ค๊ณ„ ์‹œ์— ์ด์ ์„ ๋งค์šฐ ์ •๋ฐ€ํžˆ ๋‹ค๋ฃจ์–ด์•ผ ํ•˜๋ฉฐ, ๊ฐ๊ฐ์˜ ๊ฐ๋„์˜ ์˜ค์ฐจ๋Š” ์ „์ฒด ๊ตฌ์กฐ๋ฌผ์˜ ํฐ ์˜ํ–ฅ์„ ๋ฏธ์นœ๋‹ค.

Fig. 6.

Nodal module of a geodesic dome

JKSMI-19-76_F6.jpg

Fig. 7์€ ์‹œํ—˜ ์กฐํ˜•๋ฌผ์˜ ์„ค๊ณ„๋ฅผ ์œ„ํ•ด 3์ฐจ์› ๋ชจ๋ธ๋งํ•œ ๊ทธ๋ฆผ ์ด๋ฉฐ, ๊ฐ๊ฐ์˜ ์ ˆ์ ์— ๋Œ€ํ•ด์„œ ๊ฐ„์„ญ๋˜๋Š” ๊ธธ์ด, ์ ˆ์ ์˜ ์ œ์ž‘์„ ์œ„ํ•œ ๊ฐ๋„๋ณด์ • ๋ฐ ๊ฐ๊ฐ์˜ ์—ฐ๊ฒฐ์— ๋Œ€ํ•œ ์ •๋ณด๋“ค์„ ๋ชจ๋“ˆํ™” ํ•˜์˜€ ์œผ๋ฉฐ, ์ ˆ์  (Node)์˜ ๋ฒˆํ˜ธ์™€ ์ขŒํ‘œ๋Š” Fig. 8๊ณผ ๊ฐ™๋‹ค.

Fig. 7.

3D modeling of a dome modular

JKSMI-19-76_F7.jpg
Fig. 8.

Nodal coordinates of a dome

JKSMI-19-76_F8.jpg

4. ๋ชจ๋“ˆ๋Ÿฌ ๋” ๊ตฌ์กฐ๋ฌผ ์ œ์ž‘

๋ณธ ์žฅ์—์„œ๋Š” ๋ชจ๋“ˆ๋Ÿฌ ๋”์˜ ์‹ค ์ถ•์ฒ™ ๋ชจํ˜•์— ๋Œ€ํ•œ ์ œ์ž‘๊ณผ์ •์— ๋Œ€ํ•ด์„œ ์„ค๋ช…ํ•˜๋„๋ก ํ•œ๋‹ค. ์šฐ์„  ๋ชจ๋“ˆ๋Ÿฌ ๋” ๊ตฌ์กฐ๋ฌผ์˜ ์ œ์ž‘์€ ํ•˜๋ถ€ ๊ธฐ๋‘ฅ ์กฐ์ธํŠธ ๋ถ€๋ถ„๊ณผ ํ•˜๋‹จ ์˜ค๊ฐํ˜• ์กฐ์ธํŠธ ๋ถ€์žฌ์— ๋Œ€ํ•ด์„œ ์‚ฌ์ „ ์กฐ๋ฆฝํ•œ ํ›„, ํ•˜๋ถ€ ๋” ๊ตฌ์กฐ๋ฌผ์„ ์ œ์ž‘ํ•˜๋ฉฐ, ์ƒ๋‹จ๋ถ€๋ฅผ ์ถ”๊ฐ€ ๋กœ ์กฐ๋ฆฝํ•˜์—ฌ ์„ค์น˜๋ฅผ ์™„๋ฃŒํ•˜๋„๋ก ํ•˜์˜€๋‹ค. ๋Œ€์ƒ ๊ตฌ์กฐ๋ฌผ์€ ์ „์ฒด ํฌ๊ธฐ์— ๋Œ€ํ•œ ๋‹จ์œ„๊ธธ์ด๊ฐ€ ๋‹ค๋ฅด๋”๋ผ๋„ ์ ˆ์ ์˜ ์ˆ˜์™€ ๋ถ€์žฌ์˜ ์ˆ˜ ๋Š” ๋ณ€ํ•จ์ด ์—†๋‹ค. ๋˜ํ•œ ์ ˆ์ ์˜ ํฌ๊ธฐ๋Š” ๋ชจ๋ธ์˜ ํฌ๊ธฐ๊ฐ€ ์ฆ๊ฐ€ํ•˜ ๋”๋ผ๋„ ํ˜•์ƒ์€ ํฌ๊ฒŒ ๋ณ€ํ™”ํ•˜์ง€ ์•Š๋Š”๋‹ค. ๊ธธ์ด์˜ ์กฐ์ ˆ์€ ์ ˆ์ ์— ์„œ ์ œ์ž‘ ์‹œ ํ•„์š”ํ•œ ์—ฌ์œ ๋ฅผ ์ œ์™ธํ•˜๊ณ  ๋งค์šฐ ์ •๋ฐ€ํ•˜๊ฒŒ ์ œ์ž‘๋˜์–ด ์•ผ ํ•œ๋‹ค. Table 2๋Š” ๊ตฌ์กฐ๋ฌผ ์ œ์ž‘์— ์‚ฌ์šฉ๋˜๋Š” ๋ถ€์žฌ ๋ฆฌ์ŠคํŠธ์ด ๋ฉฐ, Fig. 9๋Š” ๊ตฌ์กฐ๋ฌผ ์กฐ๋ฆฝ๊ณผ์ •๊ณผ ์™„์„ฑ๋œ ๋” ๋ชจ๋“ˆ๋Ÿฌ ๊ตฌ์กฐ๋ฌผ์ด ๋‹ค. ๋ณธ ๋…ผ๋ฌธ์—์„œ ์ ์šฉ๋œ ๋ชจ๋“ˆ๋Ÿฌ ๋”์˜ ๋ชจํ˜•์ œ์ž‘์— ์‚ฌ์šฉ๋œ ์ ˆ ์ ๋ชจ๋ธ์€ ๊ฐ•์žฌ SS400์˜ ๋‘๊ป˜ 3.2mm ๊ฐ•ํŒ์„ ์‚ฌ์šฉํ•˜์—ฌ ์ œ์ž‘ ํ•˜์˜€์œผ๋ฉฐ, ํ…Œ์ŠคํŠธ๋ชจ๋ธ์—์„œ๋Š” ๋งˆ๊ฐ์žฌ์˜ ๊ฒฐ์†์— ๊ด€ํ•œ ์„ธ๋ถ€๋””ํ…Œ ์ผ์€ ๊ณ ๋ ค๋˜์ง€ ์•Š์•˜๋‹ค.

Fig. 9.

Construction process of a dome modular structure

JKSMI-19-76_F9.jpg
Table 2.

A member list of a modular dome

Purpose Name Quantity Shape
Joint P Joint 6 EA JKSMI-19-76_T2-F1.jpg
Joint H Joint 5 EA JKSMI-19-76_T2-F2.jpg
Joint PH Joint A 10 EA JKSMI-19-76_T2-F3.jpg
10 EA PH Joint 5 EA JKSMI-19-76_T2-F4.jpg
Joint PH Joint C 5 EA JKSMI-19-76_T2-F5.jpg
5 EA PH Joint D 10 EA JKSMI-19-76_T2-F6.jpg
Beam WPC 400 30 EA JKSMI-19-76_T2-F7.jpg
Beam WPC 480 40 EA JKSMI-19-76_T2-F8.jpg
Beam WPC 490 30 EA JKSMI-19-76_T2-F9.jpg
Column C Pipe 5 EA JKSMI-19-76_T2-F10.jpg
Bolt M10(70mm) 300 EA JKSMI-19-76_T11-F1.jpg
M16(80mm) 50 EA
Nut M10 300 EA JKSMI-19-76_T11-F12.jpg
M16 50 EA
Washer 10 600 EA JKSMI-19-76_T11-F13.jpg
16 100 EA

5. ๋ชจ๋“ˆ๋Ÿฌ ๋” ๊ตฌ์กฐ๋ฌผ ํ•ด์„

๊ณต๊ฐ„์˜ ๊ทœ๋ชจ๊ฐ€ ํฐ ๊ฒฝ์šฐ๋‚˜ ๋ฌผ๋Ÿ‰ ์ €๊ฐ์„ ์œ„ํ•ด ๋‹จ์ธต ๋ ˆ์ด์–ด๋กœ ์ŠคํŽ˜์ด์Šค ํ”„๋ ˆ์ž„์„ ํ˜•์„ฑํ•  ๊ฒฝ์šฐ ๊ณก๋ฅ ์— ์˜ํ•œ ๊ธฐํ•˜ํ•™์ ์ธ ์ € ํ•ญ์„ฑ๋Šฅ์ด ๋ฐ˜๋“œ์‹œ ํ•„์š”ํ•˜๋ฉฐ, ๋งค์šฐ ๋ณต์žกํ•œ ๋ถ•๊ดด ๋ฉ”์ปค๋‹ˆ์ฆ˜์— ๋Œ€ ํ•ด์„œ๋„ ๊ณ ๋ คํ•˜์—ฌ์•ผ ํ•œ๋‹ค. ์ง€์˜ค๋ฐ์ง ๋”์„ ๊ธฐ๋ณธ๊ตฌ์กฐ๋กœ ๊ณต๊ฐ„์„ ํ˜•์„ฑํ•  ๊ฒฝ์šฐ ๊ตฌ๋ฉด์— ๊ฐ€๊นŒ์šด ๋‹ค๋ฉด์ฒด๋ฅผ ๊ทธ ๊ธฐ์›์œผ๋กœ ํ•˜๊ณ  ์žˆ๊ธฐ ๋•Œ๋ฌธ์— ์ข‹์€ ๊ธฐํ•˜ํ•™์  ์ €ํ•ญ์„ฑ๋Šฅ์„ ๊ฐ€์ง€๊ฒŒ ๋  ๋ฟ ์•„๋‹ˆ๋ผ ๋„“์€ ๊ณต๊ฐ„์„ ๋ฎ๋Š” ๊ฐ€์žฅ ํšจ์œจ์ ์ธ ๋ฐฉ๋ฒ•์ด๋ฉฐ, ์ •์ด์‹ญ๋ฉด์ฒด๋ฅผ ์ด์šฉํ•˜ ์—ฌ ์‚ผ๊ฐํ˜• ์œ ๋‹›์„ ํ˜•์„ฑํ•  ๊ฒฝ์šฐ ๊ตฌ์กฐ๋ฌผ์˜ ๋‚ด๋ ฅ์„ ๊ณจ๊ณ ๋ฃจ ๋ถ„ํฌ ์‹œํ‚ฌ ์ˆ˜ ์žˆ๋‹ค.

์ด๋Ÿฌํ•œ ํ˜•์ƒ์„ ๊ฐ€์ง€๋Š” ๋ชจ๋“ˆ๋Ÿฌ ๋” ๊ตฌ์กฐ๋ฌผ์„ ๋Œ€์ƒ์œผ๋กœ ๋ฒ”์šฉ ํ•ด์„ ํ”„๋กœ๊ทธ๋žจ์ธ Midas GEN์„ ์ด์šฉํ•˜์—ฌ ์ผ๋ฐ˜์ ์ธ ์ค‘๋ ฅ๋ฐฉ ํ–ฅ ํ•˜์ค‘๊ณผ ํ’ํ•˜์ค‘, ์ง€์ง„ํ•˜์ค‘ ๋“ฑ ์ˆ˜ํ‰๋ฐฉํ–ฅ ํ•˜์ค‘์— ๋Œ€ํ•œ ๊ตฌ์กฐ ํ•ด์„๊ณผ ๊ณ ์œ ์น˜ ํ•ด์„์„ ์ˆ˜ํ–‰ํ•˜์˜€๋‹ค. Fig. 10์€ ๊ฐ๊ฐ์˜ ์„ค๊ณ„ํ•˜ ์ค‘์„ ๊ฑด์ถ•๊ตฌ์กฐ๊ธฐ์ค€2009 (์ดํ•˜ KBC 2009)์—์„œ ์ œ์‹œํ•˜๋Š” ํ•˜ ์ค‘๊ณ„์ˆ˜์™€ ํ•˜์ค‘์กฐํ•ฉ์„ ๋ชจ๋‘ ๊ณ ๋ คํ•˜์—ฌ ์กฐํ•ฉ๋œ ํ•˜์ค‘ ์ค‘ ๊ฐ๊ฐ์˜ ๋ถ€์žฌ์— ์ตœ๋Œ€ ์†Œ์š”๊ฐ•๋„๊ฐ€ ๋ฐœ์ƒํ•˜๋Š” ํ•˜์ค‘์กฐํ•ฉ์„ ์„ ํƒํ•˜์—ฌ ํ•ด ๋‹น ํ•˜์ค‘์กฐํ•ฉ์— ๋Œ€ํ•œ ์ถ•๋ ฅ, ์ „๋‹จ๋ ฅ, ํœจ๋ชจ๋ฉ˜ํŠธ๋ฅผ ๋‚˜ํƒ€๋‚ธ ๊ทธ๋ฆผ ์ด๋‹ค. ์ถ•๋ ฅ์˜ ๊ฒฝ์šฐ ๊ฒฝ๊ณ„๋ถ€์˜ ๊ฒฝ์„ ๋ฐฉํ–ฅ์˜ ๋ถ€์žฌ์—์„œ๋Š” ์••์ถ•์„ ์œ„์„ ๋ฐฉํ–ฅ ๋ถ€์žฌ์˜ ๊ฒฝ์šฐ ์ธ์žฅ์ด ๋ฐœ์ƒ๋œ๋‹ค. ๋”์˜ ์ƒ๋ถ€์—์„œ ๋ฐœ์ƒ ํ•˜๋Š” ์ถ•๋ ฅ์— ๋น„ํ•ด์„œ ๊ฒฝ๊ณ„๋ถ€ ๋ถ€์žฌ์˜ ์‘๋ ฅ์€ ํฐ ๊ฐ’์„ ๊ฐ€์ง„๋‹ค. ํ˜•ํƒœ์ €ํ•ญํ˜• ์‰˜ ๊ตฌ์กฐ๋ฌผ์˜ ๊ฒฝ์šฐ์—์„œ ์•Œ ์ˆ˜ ์žˆ๋“ฏ์ด ๊ตฌํ˜• ๋˜๋Š” ์‰˜ํ˜• ๊ตฌ์กฐ๋ฌผ์˜ ๋ฉด๋‚ด์ €ํ•ญ์„ฑ๋Šฅ์€ ๋งค์šฐ ์šฐ์ˆ˜ํ•œ ๊ฒƒ์œผ๋กœ ์•Œ๋ ค์ ธ ์žˆ๋‹ค. ์ด๋Ÿฌํ•œ ํž˜์˜ ์ „๋‹ฌ์—์„œ Fig. 10(d)์—์„œ ๋ณด๋Š” ๋ฐ”์™€ ๊ฐ™์ด ๋ถ€์žฌ์˜ ํœจ๋ชจ๋ฉ˜ํŠธ๋Š” ์ค‘์•™๋ถ€์˜ ์˜ค๊ฐํ˜• ๋ฟ”๋ชจ์–‘์—์„œ ๊ฐ€์žฅ ์ผ๋ฐ˜ ์ ์ธ ์ ˆ์ ์˜ ์ขŒ๊ตด์— ๋Œ€ํ•œ ํž˜์˜ ๋ถ„ํฌ๋ฅผ ๋ณด์—ฌ์ฃผ๊ณ  ์žˆ๋‹ค. ์ ˆ์  ์—์„œ ์ž‘์šฉํ•˜๋Š” ํž˜์ด ์ ˆ์ ์ขŒ๊ตด์—์„œ ์ „์ฒด์ขŒ๊ตด๋กœ ์ด์–ด์ง€๋Š” ๋ถˆ ์•ˆ์ •ํ˜„์ƒ์˜ ํŠน์„ฑ์—์„œ ๋ณผ ๋•Œ ์ •์ ํ•ด์„์˜ ๊ธฐ๋ณธ์ ์ธ ํŒจํ„ด์œผ๋กœ ์—ฌ๊ฒจ์ง„๋‹ค. ์ผ๋ฐ˜์ ์œผ๋กœ ๋‹จ์ธต์˜ ์‚ผ๊ฐํ˜• ๋„คํŠธ์›Œํฌ ๊ตฌ์กฐ๋ฌผ์˜ ๊ฒฝ ์šฐ ์ขŒ๊ตดํ˜•์ƒ์— ๋Œ€ํ•ด์„œ ๋งค์šฐ ๋ฏผ๊ฐํ•œ ๊ฑฐ๋™์„ ํ•˜๋Š” ๊ฒƒ์œผ๋กœ ์•Œ๋ ค ์ ธ ์žˆ์œผ๋ฉฐ, ๊ตฌ์กฐ๋ฌผ์˜ ์ขŒ๊ตด๋ชจ๋“œ๋ฅผ ๊ด€์ฐฐํ•˜๋Š” ๊ฒƒ์€ ๋‹ค๋ฅธ ํ˜•ํƒœ์˜ ์‰˜ ๊ตฌ์กฐ๋ฌผ์—์„œ๋„ ๋™์ผํ•˜๊ฒŒ ์ ์šฉ๋˜๋Š” ๊ตฌ์กฐ๋ฌผ์˜ ๋ถˆ์•ˆ์ • ํ˜„์ƒ ์— ๋Œ€ํ•œ ๋ถ„์„๋ฐฉ๋ฒ•์ด๋‹ค.

Fig. 10.

Strength of a dome modular structure

JKSMI-19-76_F10.jpg

๊ตฌ์กฐ๋ฌผ ๊ณ ์œ ์˜ ์ขŒ๊ตด ํŠน์„ฑ์„ ๋ถ„์„ํ•˜๊ธฐ ์œ„ํ•ด์„œ ๊ณ ์œ ์ขŒ๊ตด๋ชจ ๋“œ๋ฅผ ๊ณ ์œ ์น˜ ํ•ด์„์„ ํ†ตํ•˜์—ฌ ๊ตฌํ•˜์˜€์œผ๋ฉฐ, ๊ฒฐ๊ณผํ˜•์ƒ์„ Fig. 11 ์— 1์ฐจ ๋ชจ๋“œ์—์„œ 5์ฐจ ๋ชจ๋“œ๊นŒ์ง€ ๋‚˜ํƒ€๋‚ด์—ˆ๋‹ค. ์ผ์ข…์˜ ๊ณ ์œ ํ˜•์ƒ ์ธ ๊ณ ์œ ์ขŒ๊ตด๋ชจ๋“œ์—์„œ ๊ฐ€์žฅ ๋‚ฎ์€ ์ขŒ๊ตด๋ชจ๋“œ์˜ ๊ฒฝ์šฐ ๊ฒฝ๊ณ„๋ถ€ ์ฃผ ๋ณ€์˜ ์ ˆ์ ์—์„œ ์ ˆ์ ์ขŒ๊ตด์˜ ํ˜•์ƒ์„ ๋‚˜ํƒ€๋‚ด๊ณ  ์žˆ์œผ๋ฉฐ, 5์ฐจ ๊ณ  ์œ ๋ชจ๋“œ์˜ ๊ฒฝ์šฐ ์ด๋Ÿฌํ•œ ๊ณ ์œ ์ขŒ๊ตดํ˜•์ƒ์ด ์กฐ๊ธˆ ๋‹ฌ๋ผ์ง€๊ธฐ ์‹œ์ž‘ ํ•œ๋‹ค. ์–•์€ ๋”ํ˜• ๊ตฌ์กฐ๋ฌผ์—์„œ ๋‚˜ํƒ€๋‚˜๋Š” ์ผ๋ฐ˜์ ์ธ ๋ถˆ์•ˆ์ • ํ˜„์ƒ ์˜ ๊ฒฝ์šฐ ์ฃผ๋กœ ์ „์ฒด์ขŒ๊ตด์ด ์šฐ์„ธํ•˜๋ฉฐ, ํ˜•์ƒ์˜ ๋ผ์ด์ฆˆ-์ŠคํŒฌ ๋น„ ์œจ์ด ๋†’์•„์งˆ์ˆ˜๋ก ๋ถ„๊ธฐ์ขŒ๊ตด์ด ๋‚˜ํƒ€๋‚˜๋Š” ๊ฒƒ์ด ์ผ๋ฐ˜์ ์ธ ์–‘์ƒ ์ธ ๊ฒƒ์„ ๋ณผ ๋•Œ, ์‹œํ—˜๋ชจํ˜• ๋ถ„๊ธฐํ˜„์ƒ์ด ์ฃผ๋ฅผ ์ด๋ฃฐ ๊ฒƒ์œผ๋กœ ํŒ๋‹จ ํ•  ์ˆ˜ ์žˆ๋‹ค. ๋˜ํ•œ ๊ณ ์œ ๋ชจ๋“œ์—์„œ์˜ ์ ˆ์ ์—์„œ์˜ ์ขŒ๊ตด์€ ์ „์ฒด์ขŒ ๊ตด์„ ์œ ๋ฐœํ•˜๋Š” ์—ญํ• ์„ ํ•  ๊ฒƒ์œผ๋กœ ์˜ˆ์ƒํ•  ์ˆ˜ ์žˆ๋‹ค. ์ด๊ฒƒ์€ ํ˜• ์ƒ๋ถˆ์™„์ „์„ฑ์— ๋”ฐ๋ฅธ ๊ตฌ์กฐ๋ฌผ์˜ ๋ฏผ๊ฐํ•จ์„ ๊ณ ๋ คํ•ด ๋ณผ ๋•Œ, ๋Œ€์ƒ๋ชจ ๋ธ์˜ ๊ฒฝ์šฐ ์ ˆ์ ์ขŒ๊ตด์— ๋Œ€ํ•œ ๋ฏผ๊ฐํ•œ ๋ฐ˜์‘์„ ํ•  ๊ฒƒ์œผ๋กœ ์˜ˆ์ƒํ•  ์ˆ˜ ์žˆ๋‹ค. ๊ทธ๋Ÿฌ๋‚˜ ๊ตฌ์กฐ๋ฌผ์˜ ๋ถˆ์•ˆ์ •์„ฑ์— ๋Œ€ํ•ด์„œ๋Š” ์ขŒ๊ตดํ˜•์ƒ์— ์„œ ๊ฐ€์žฅ ์˜ํ–ฅ์„ ๋ฏธ์น  ์ˆ˜ ์žˆ๋Š” ๋ชจ๋“œ์— ๋Œ€ํ•ด์„œ ํ•˜์ค‘์˜ ํŠน์„ฑ๊ณผ ๋”๋ถˆ์–ด ํ•ด์„์„ ์ˆ˜ํ–‰ํ•˜์—ฌ์•ผ ํ•œ๋‹ค. ํŠนํžˆ ์ดˆ๊ธฐ์กฐ๊ฑด์— ๋ฏผ๊ฐํ•œ ๊ตฌ ์กฐ๋ฌผํ•ด์„œ๋„ ๊ด€์ฐฐํ•˜์—ฌ์•ผ ํ•œ๋‹ค.

Fig. 11.

Mode shape

JKSMI-19-76_F11.jpg

6. ๊ฒฐ ๋ก 

๋ณธ ์—ฐ๊ตฌ๋ฅผ ํ†ตํ•˜์—ฌ ์ •์ด์‹ญ๋ฉด์ฒด ๊ธฐ๋ฐ˜ 3์ฐจ์› ์ง€์˜ค๋ฐ์ง ๋” ํ˜• ์ƒ ๊ตฌํ˜„ ๋ฐ ๊ตฌ์กฐ๋ฌผ์„ ๊ตฌ์„ฑํ•˜๊ธฐ ์œ„ํ•œ ์ ์ ˆ ๋ชจ๋“ˆ์„ ๊ฐœ๋ฐœ, ์ œ์ž‘ ํ•˜์˜€์œผ๋ฉฐ, ๋ชฉ๋ถ„ ํ•จ์œ ๋Ÿ‰ 70%์˜ ๊ณ ์ถฉ์ง„ ์••์ถœ์„ฑํ˜• ํ•ฉ์„ฑ๋ชฉ์žฌ๋ฅผ ์‚ฌ์šฉํ•˜์—ฌ ์‹ค์žฌ ๋ชจ๋“ˆ๋Ÿฌ ๋” ๊ตฌ์กฐ๋ฌผ์„ ์™„์„ฑํ•˜์˜€๊ณ , ์ œ์ž‘๋œ ๋ชจ๋ธ ์˜ ๊ตฌ์กฐ์  ํŠน์„ฑ์„ ๊ณ ์œ ์น˜ํ•ด์„์„ ํ†ตํ•ด์„œ ๊ณ ์ฐฐํ•˜์˜€๋‹ค. ํ•ด์„์„ ํ†ตํ•ด ์ตœ๋Œ€ ์†Œ์š”๊ฐ•๋„๋ฅผ ๊ตฌํ•˜์—ฌ ๊ตฌ์กฐ๋ฌผ์˜ ๊ฐ€์žฅ ์ทจ์•ฝ๋ถ€๋ถ„์„ ํ™• ์ธํ•˜์˜€์œผ๋ฉฐ, ์ด ๊ฒฐ๊ณผ๋ฅผ ํ†ตํ•ด์„œ ๋ชจ๋“ˆ๋Ÿฌ ๋”์˜ ์‘๋ ฅ๋ถ„ํฌ๋ฅผ ํ™•์ธ ํ•  ์ˆ˜ ์žˆ์—ˆ๋‹ค. ๊ณ ์œ ์น˜ํ•ด์„์„ ํ†ตํ•ด ๊ตฌํ•œ ๊ณ ์œ ์ขŒ๊ตด๋ชจ๋“œ์˜ ํ˜•์ƒ ์—์„œ๋„ ๋†’์€ ํ˜•์ƒ์˜ ๋”์—์„œ ๋‚˜ํƒ€๋‚˜๊ธฐ ์‰ฌ์šด ํ˜•ํƒœ์˜ ์ขŒ๊ตด๋ชจ๋“œ ๋ฅผ ํ™•์ธํ•  ์ˆ˜ ์žˆ์—ˆ์œผ๋ฉฐ, ์ด๋Š” ์–•์€ ๋”์—์„œ์˜ ์ „์ฒด์ขŒ๊ตด์ด ์šฐ ์„ธํ•œ ํŠน์„ฑ๊ณผ๋Š” ๋‹ค๋ฅธ ๊ณ ์œ ๋ชจ๋“œ๋ฅผ ๊ด€์ฐฐํ•˜์˜€๋‹ค. ๋˜ํ•œ ๋ถ€์žฌ๋ ฅ ๋ถ„ ํฌ์™€ ๊ณ ์œ ์น˜ํ•ด์„์—์„œ์˜ ๊ฒฐ๊ณผ๋Š” ์ ˆ์ ๊ฐ„์˜ ๋ฏผ๊ฐํ•œ ์—ฐ์„ฑ์ž‘์šฉ์ด ๋ฐœ์ƒํ•  ๊ฒƒ์œผ๋กœ ์˜ˆ์ƒํ•  ์ˆ˜ ์žˆ์—ˆ๋‹ค.

๋ณธ ์—ฐ๊ตฌ๋Š” ํ•ฉ์„ฑ๋ชฉ์žฌ ๊ตฌ์กฐ์„ฑ๋Šฅ์„ ๊ฒ€์ฆํ•˜๋Š” ๊ธฐ์ดˆ์ž๋ฃŒ๋กœ ํ™œ ์šฉ๋  ๊ฒƒ์œผ๋กœ ํŒ๋‹จ๋˜๋ฉฐ, ํ˜•์ƒ ๋ถˆ์™„์ „์„ฑ์„ ๊ณ ๋ คํ•˜๊ธฐ์— ๋ฏผ๊ฐํ•œ ๋ฌธ์ œ์ธ ๋ถ„๊ธฐ์ ์˜ ์˜ˆ์ƒ์€ ๋ณธ ๋ชจ๋ธ๊ณผ ๊ฐ™์ด ์ŠคํŒฌ-๋ผ์ด์ฆˆ ๋น„๊ฐ€ ๋†’์€ ๋ชจ๋ธ์˜ ๊ฒฝ์šฐ ๋งค์šฐ ๋ณต์žกํ•œ ์–‘์ƒ์„ ๋ณด์ผ ๊ฒƒ์ด๋ฏ€๋กœ ํ˜•์ƒ ๋ถˆ์™„์ „์„ฑ๊ณผ ๋น„ํƒ„์„ฑ ์žฌ๋ฃŒ์˜ ๊ฑฐ๋™์— ๋Œ€ํ•œ ์ถ”ํ›„ ์—ฐ๊ตฌ๊ฐ€ ํ•„์š”ํ•  ๊ฒƒ์œผ๋กœ ์‚ฌ๋ฃŒ๋œ๋‹ค.

๊ฐ์‚ฌ์˜ ๊ธ€

๋ณธ ์—ฐ๊ตฌ๋Š” ๊ตญํ† ํ•ด์–‘๋ถ€ ์ฒจ๋‹จ๋„์‹œ๊ฐœ๋ฐœ์‚ฌ์—…์˜ ์—ฐ๊ตฌ๋น„์ง€์› (12 ์ฒจ๋‹จ๋„์‹œC22) ๋ฐ 2014๋…„๋„ ์ •๋ถ€ (๋ฏธ๋ž˜์ฐฝ์กฐ๊ณผํ•™๋ถ€)์˜ ์žฌ์›์œผ ๋กœ ํ•œ๊ตญ์—ฐ๊ตฌ์žฌ๋‹จ์˜ ์ง€์›์„ ๋ฐ›์•„ ์ˆ˜ํ–‰๋œ ๊ธฐ์ดˆ์—ฐ๊ตฌ์‚ฌ์—… (No. 2014R1A2A1A01004473)์ž„. ์ด์— ๊ฐ์‚ฌ๋“œ๋ฆฝ๋‹ˆ๋‹ค.

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