ihe nkiri plastik kpara akpa geotextiles
Plastic ewepụghị kpara geotextile
Geotextile kpara akpa bụ ihe geosynthetic kpara site na polypropylene na polypropylene ethylene teepu dị ka akụrụngwa.A na-eji ya eme ihe na injinia geotechnical dị ka nchekwa mmiri, ọkụ eletrik, ọdụ ụgbọ mmiri, okporo ụzọ na okporo ụzọ ụgbọ oloko.
1. Ike dị elu N'ihi iji waya dị larịị plastic, ọ nwere ike ịnọgide na-enwe ike zuru oke na elongation na ọnọdụ akọrọ na mmiri.
2. Nguzogide corrosion Ọ nwere ike iguzogide corrosion ruo ogologo oge na ala na mmiri nwere pH dị iche iche.
3. Igwe mmiri dị mma Enwere oghere dị n'etiti eriri ndị dị larịị, ya mere ọ nwere ezigbo mmiri mmiri.
4. Ezigbo ihe mgbochi microbial, ọ dịghị mmebi microorganisms na nla.
5. Ihe owuwu dị mma n'ihi na ihe ahụ dị ọkụ ma dị nro, ọ dị mma maka njem, ịtọgbọ na iwu.
Okwu Mmalite ngwaahịa
Nkọwapụta ngwaahịa:
Arọ gram bụ 90g/㎡～400g/㎡;Ogologo ya bụ 4-6 mita.
Njirimara ngwaahịa:
Ibu arọ, ike dị elu, obere elongation, ezi iguzosi ike n'ezi ihe, na ihe owuwu dị mma;ọ nwere ọrụ nke nkwado, nkewa, drainage, filtration na igbochi.
Ihe ngosi ngwa
1. Injinia nchekwa nchekwa mmiri: mgbidi mmiri, mkpọchi osimiri, na ọrụ ọkọlọtọ ọdọ mmiri;oru nchedo embankment, mmiri ntughari ogbugba mmiri n'ubi oru;mgbochi seepage na mkpochapụ ihe ize ndụ na nkwado nke ọrụ nchekwa mmiri;ihe mkpuchi na mweghachi;oru nchịkwa ide mmiri.
2. Injinia okporo ụzọ: ọgwụgwọ nkwado ntọala dị nro;nchebe mkpọda;pavement mgbochi echiche nkwonkwo Ọdịdị oyi akwa;usoro drainage;eriri kewapụrụ akwụkwọ ndụ akwụkwọ ndụ.
3. Ụgbọ okporo ígwè: ụgbọ okporo ígwè ntọala akwa oru ngo;oyi akwa mkpọda mkpọda;mmiri na-ekpuchi ọwara mmiri na oyi akwa drainage;ọwa mmiri kpuru ìsì geotextile.
4. Injinia ọdụ ụgbọ elu: nkwado ntọala runway;apron ntọala na pavement Ọdịdị oyi akwa;okporo ụzọ ọdụ ụgbọ elu na usoro drainage.
5. Injinia ọkụ ọkụ: injinia bụ isi nke ụlọ ọrụ ike nuklia;injinia ash dam nke ụlọ ọrụ ọkụ ọkụ;injinia ọdụ ụgbọ mmiri.
Ngwa ngwaahịa
GB/T17690-1999 "Geosynthetics- plastic kpara ihe nkiri yarn geotextiles"
| Mba. | Ihe | 20-15 | 30-22 | 40-28 | 50-35 | 60-42 | 80-56 | 100-70 |
| 1 | Ike mgbaji kwụ ọtọ, KN/m≥ | 20 | 30 | 40 | 50 | 60 | 80 | 100 |
| 2 | Ike mgbawa kwụ ọtọ, KN/m≥ | 15 | 22 | 28 | 35 | 42 | 56 | 70 |
| 3 | Ogologo oge ịgbaji kwụ ọtọ na kwụ ọtọ,%≤ | 28 | ||||||
| 4 | Trapezoid ike dọkasị (nke kwụ ọtọ), kN ≥ | 0.3 | 0.45 | 0.5 | 0.6 | 0.75 | 1.0 | 1.2 |
| 5 | Ike na-agbawa, kN ≥ | 1.6 | 2.4 | 3.2 | 4.0 | 4.8 | 6.0 | 7.5 |
| 6 | Ọnụego nkwekọ kwụ ọtọ, cm/s | 10-1~10-4 | ||||||
| 7 | Nha nha nha nha O95, mm | 0.08-0.5 | ||||||
| 8 | Mass kwa mpaghara otu, g/m2 | 120 | 160 | 200 | 240 | 280 | 340 | 400 |
| Uru ndahie anabatara, ％ | ±10 | |||||||
