A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
The present invention relates to a manhole cover, which comprises a basalt chip mixture material and a perforated steel plate (10). The manhole cover of the present invention has high strength and remarkable eco-friendly effect. The manhole cover is characterized in that the mixture material includes talc and synthetic resin and the basalt chip mixture material comprises 30 to 40 parts by weight of the talc and 55 to 65 parts by weight of the synthetic resin per 5 parts by weight of basalt chips.
본발명은 맨홀뚜껑에 관한 것으로, 현무암칩 혼합재료와 타공철판(10)으로 이루어지는 것으로, 본발명의 맨홀뚜껑은 강도가 크며 친환경적인 현저한 효과가 있다.
The present invention relates to a manhole cover, which comprises a basalt chip mixture material and a perforated steel plate (10). The manhole cover of the present invention has high strength and remarkable eco-friendly effect. The manhole cover is characterized in that the mixture material includes talc and synthetic resin and the basalt chip mixture material comprises 30 to 40 parts by weight of the talc and 55 to 65 parts by weight of the synthetic resin per 5 parts by weight of basalt chips.
본발명은 맨홀뚜껑에 관한 것으로, 현무암칩 혼합재료와 타공철판(10)으로 이루어지는 것으로, 본발명의 맨홀뚜껑은 강도가 크며 친환경적인 현저한 효과가 있다.
Manhole cover
맨홀뚜껑
HWANG GEUM JIN (author)
2019-06-24
Patent
Electronic Resource
Korean
IPC:
E02D
FOUNDATIONS
,
Gründungen