Ejiri eriri polyester siri ike nke a kpara nke ọma mee geotextile
Nkọwa Dị Mkpirikpi:
E ji ihe e ji ajị anụ kpaa nke e ji ihe sịntetik dịka polyester ma ọ bụ polypropylene mee ya mgbe e mechara ya. O nwere ihe ndị dị mma dịka iguzogide nrụgide, iguzogide ịdọwa na iguzogide mgbapu, a pụkwara iji ya mee ihe n'iwu ala, igbochi nsị, igbochi nchara na ubi ndị ọzọ.
Nkọwa Ngwaahịa
A na-akpọ geotextile nke e ji ajị anụ kpaa nke ọma dịka geotextile, ọ bụ eriri sịntetik ụlọ ọrụ siri ike dị ka ihe eji arụ ọrụ, site na mmepụta usoro ịkpa ákwà, ọ bụ ụdị ákwà e ji eme ihe n'ihe gbasara injinia obodo. N'afọ ndị na-adịbeghị anya, site na mmụba nke owuwu akụrụngwa gburugburu obodo ahụ, ọchịchọ maka geotextiles e ji ajị anụ kpaa nke ọma na-amụbakwa, ma nwee nnukwu ohere ahịa. Karịsịa n'ụfọdụ nnukwu njikwa na mgbanwe osimiri, owuwu nchekwa mmiri, okporo ụzọ na àkwà mmiri, owuwu ụgbọ okporo ígwè, ọdụ ụgbọ elu na mpaghara injinịa ndị ọzọ, nwere ọtụtụ ngwa dị iche iche.
Nkọwapụta
Ike mgbawa aha na MD (kN/m): 35, 50, 65, 8 0, 100, 120, 140, 160, 180, 200, 250, obosara n'ime mita 6.
Akụ na ụba
1. Ike dị elu, obere mgbanwe.
2. Ọdịgide: ihe onwunwe kwụsiri ike, ọ dịghị mfe idozi, ikuku na-agbaze ma nwee ike idobe ihe onwunwe mbụ ahụ ruo ogologo oge.
3. Mgbochi mbuze: mgbochi acid, mgbochi alkali, na-eguzogide ụmụ ahụhụ na ebu.
4. Ịgafe: nwere ike ijikwa nha sieve iji jide ụfọdụ permeability.
Ngwa
A na-ejikarị ya eme ihe n'osimiri, n'ụsọ oké osimiri, n'ọdụ ụgbọ mmiri, n'okporo ụzọ awara awara, n'ọdụ ụgbọ okporo ígwè, n'ọdụ ụgbọ mmiri, n'ọwara, n'akwa mmiri na n'ọrụ injinia geotechnical ndị ọzọ. Ọ nwere ike igbo mkpa ọrụ geotechnical niile dịka nzacha, nkewa, ime ka ihe sie ike, nchekwa na ihe ndị ọzọ.
Nkọwapụta Ngwaahịa
Nkọwapụta geotextile nke eriri kpara (ọkọlọtọ GB/T 17640-2008)
| Mba. | ihe | Uru | ||||||||||
| ike aha KN/m | 35 | 50 | 65 | 80 | 100 | 120 | 140 | 160 | 180 | 200 | 250 | |
| 1 | ike mgbawa na MDKN/m 2 | 35 | 50 | 65 | 80 | 100 | 120 | 140 | 160 | 180 | 200 | 250 |
| 2 | ike mgbawa na CD KN/m 2 | Oge 0.7 nke ike gbajiri agbaji na MD | ||||||||||
| 3 | mmụba aha % ≤ | 35 na MD, 30 na MD | ||||||||||
| 4 | ike ndọda na MD na CD KN≥ | 0.4 | 0.7 | 1.0 | 1.2 | 1.4 | 1.6 | 1.8 | 1.9 | 2.1 | 2.3 | 2.7 |
| 5 | Ike mgbawa nke CBR mullen KN≥ | 2.0 | 4.0 | 6.0 | 8.0 | 10.5 | 13.0 | 15.5 | 18.0 | 20.5 | 23.0 | 28.0 |
| 6 | Oke ike ikuku cm/s | Kx(10-²~10s)其中:K=1.0~9.9 | ||||||||||
| 7 | nha sieve O90 (O95) mm | 0.05~0.50 | ||||||||||
| 8 | mgbanwe obosara % | -1.0 | ||||||||||
| 9 | Mgbanwe ọkpụrụkpụ akpa a kpara akpa n'okpuru ịgba mmiri% | ±8 | ||||||||||
| 10 | Mgbanwe akpa a kpara n'ogologo na obosara% | ±2 | ||||||||||
| 11 | ike ịkwa akwa KN/m | ọkara nke ike aha | ||||||||||
| 12 | mgbanwe ibu otu% | -5 | ||||||||||
