Geosynthetics- Gwuo na kewaa ihe nkiri yarn kpara geotextiles
Nkọwa ngwaahịa
Nkọwapụta ngwaahịa
Arọ gram bụ 100g/㎡~800g/㎡;obosara bụ 4 ~ 6.4 mita, na ogologo bụ dị ka ndị ahịa mkpa.
Njirimara ngwaahịa
Ndekọ igwe dị elu, arụmọrụ dị mma;nguzogide corrosion siri ike, nguzogide ịka nká, nguzogide okpomọkụ dị mma, yana ezigbo arụmọrụ hydraulic.
Ihe ngosi ngwa
A na-eji ya eme ihe maka nkwado, nzacha, ikewapụ na mwepu nke nchekwa mmiri, ike mmiri, nchekwa gburugburu ebe obibi, okporo ụzọ, okporo ụzọ ụgbọ oloko, dams, osimiri dị n'ụsọ oké osimiri, ogbunigwe ọla na ọrụ ndị ọzọ.
Ngwa ngwaahịa
GB/T17639-2008 “Geosynthetics-Synthetic - Filament Spunbond na agịga ọkpọ na-abụghị nke Geotextiles”
Nkọwa ngwaahịa
Ihe | Ihe ngosi | ||||||||||
1 | Mass kwa mpaghara otu (g/m2) | 100 | 150 | 200 | 300 | 400 | 500 | 600 | 800 | 1000 | |
2 | Ike na-agbaji, KN/m≥ | 4.5 | 7.5 | 10 | 15 | 20 | 25 | 30 | 40 | 50 | |
3 | Ike nkwụsị kwụ ọtọ na kwụ ọtọ, KN/m≥ | 45 | 7.5 | 10.0 | 15.0 | 20.0 | 25.0 | 30.0 | 40.0 | 50.0 | |
4 | Na-agbaji elongation,% | 40-80 | |||||||||
5 | CBR ike mgbawa, KN≥ | 0.8 | 1.6 | 1.9 | 2.9 | 3.9 | 5.3 | 6.4 | 7.9 | 8.5 | |
6 | Ike akwa akwa na kwụ ọtọ, KN/m | 0.14 | 0.21 | 0.28 | 0.42 | 0.56 | 0.70 | 0.82 | 1.10 | 1.25 | |
7 | Nha nha nha nha O90 (O95) / mm | 0.05-0.20 | |||||||||
8 | Ọnụọgụ permeability kwụ ọtọ, cm/s | K × (10-1~10-3Ebe K=1.0~9.9 | |||||||||
9 | Ọkpụrụkpụ, mm≥ | 0.8 | 1.2 | 1.6 | 2.2 | 2.8 | 3.4 | 4.2 | 5.5 | 6.8 | |
10 | Ngbanwe obosara,% | -0.5 | |||||||||
11 | Ngbanwe dị mma kwa mpaghara otu,% | -5 |