Nka nka
Dayameta (mm) | Akụkụ D×L (mm) | Ibu (t) | Cutter diski | Silinder steering (kN× set) | Ọkụ dị n'ime (mm) | ||
Ike (kW×set) | Torque (Kn· m) | rpm | |||||
NPD 800 | 1020×3400 | 5 | 75×2 | 48 | 4.5 | 260×4 | 50 |
NPD 1000 | 1220×3600 | 6.5 | 15×2 | 100 | 3.0 | 420×4 | 50 |
NPD 1200 | 1460×4000 | 8 | 15×2 | 100 | 3.0 | 420×4 | so |
N PD 1350 | 1660×4000 | 10 | 22×2 | 150 | 2.8 | 600×4 | 50 |
NPD 1500 | 1820×4000 | 14 | 30×2 | 150 | 2.8 | 800×4 | 70 |
NPD 1650 | 2000×4200 | 16 | 30×2 | 250 | 2.35 | 800×4 | 70 |
NPD 1800 | 2180×4200 | 24 | 30×3 | 300 | 2 | 1000×4 | 70 |
NPD 2000 | 2420×4200 | 30 | 30×4 | 400 | 1.5 | 1000×4 | 80 |
NPD 2200 | 2660×4500 | 35 | 30×4 | 500 | 1.5 | 800×8 | 80 |
NPD 2400 | 2900×4800 | 40 | 37×4 | 600 | 1.5 | 1000×4 | 80 |
NPD 2600 | 3140×5000 | 48 | 37×4 | 1000 | 1.2 | 1200×8 | 100 |
The NPD usoro anwụrụ jacking igwe bụ tumadi adabara maka geological ọnọdụ na elu ala mmiri mgbali na elu ala permeability ọnụọgụ. A na-ewepụ slag ahụ a gwupụtara n'ọwara n'ụdị apịtị site na mgbapụta apịtị, ya mere o nwere njirimara nke ịrụ ọrụ dị elu na ebe ọrụ dị ọcha.
Dị ka ụzọ dị iche iche nke ịchịkwa apịtị na ngwuputa elu, NPD usoro pipe jacking igwe nwere ike kewara abụọ ụdị: kpọmkwem akara ụdị na indirect akara ụdị (ikuku mejupụtara njikwa ụdị).
a. Igwe na-ahụ maka ọkpọkọ ọkpọkọ kpọmkwem nwere ike ịchịkwa nrụgide na-arụ ọrụ nke tank mmiri apịtị site n'ịgbanwe ọsọ nke mgbapụta apịtị ma ọ bụ na-edozi oghere nke valve mmiri na-achịkwa mmiri. Usoro nchịkwa a dị mfe ma dị mma, na ọdịda ọdịda dị ala.
b. Igwe jacking ọkpọkọ njikwa na-apụtaghị ìhè na-edozi nrụgide ọrụ nke tank mmiri apịtị site n'ịgbanwe nrụgide nke tankị ikuku. Usoro nchịkwa a nwere nzaghachi dị nro na njikwa njikwa dị elu.
1. Igwe ikuku ikuku na-achịkwa akpaka nwere ike inye nkwado ziri ezi maka ihu ọwara, iji hụ na nchekwa nke ọwara ịkwọ ụgbọ ala ruo n'ókè kasị ukwuu.
2. A pụkwara ime tunneling mgbe nrụgide mmiri dị n'elu 15bar.
3. Jiri apịtị dị ka isi ihe na-edozi nrụgide nguzobe n'elu ebe a na-egwupụta ihe nke ọwara, ma wepụ slag site na usoro mbufe apịtị.
4. NPD usoro ọkpọkọ jacking igwe dabara adaba maka owuwu ọwara mmiri na nrụgide mmiri dị elu na ihe ndozi ala dị elu chọrọ.
5. Ịkwọ ụgbọ ala dị elu, nchekwa na ntụkwasị obi, yana ụdị nguzozi abụọ nke njikwa kpọmkwem na njikwa na-apụtaghị ìhè.
6. The NPD usoro ọkpọkọ jacking igwe na elu na a pụrụ ịdabere cutter isi imewe na apịtị mgbasa.
7. The NPD usoro ọkpọkọ jacking igwe ịmụta pụrụ ịdabere na isi ibu, isi mbanye akara na isi mbanye reducer, na ogologo ọrụ ndụ na elu nchekwa ihe.
8. Usoro ngwanrọ njikwa onwe ya, arụmọrụ nke igwe dum dị mma ma bụrụ nke a pụrụ ịdabere na ya, ọrụ ahụ dịkwa mma.
9. Wide ọdabara dị iche iche ala, dị ka adụ ala, ụrọ, ájá, gravel ala, ala siri ike, backfill, wdg.
10. Independent mmiri injection, mwepu usoro.
11. Ọsọ kacha ọsọ bụ ihe fọrọ nke nta ka ọ bụrụ 200mm kwa nkeji.
12. Ewu nke elu nkenke, steing eleghị anya elu, ala, ekpe na aka nri, na kasị steing akụkụ nke 5.5 degrees.
13. Jiri usoro nchịkwa etiti na ala, nchekwa, nghọta, na adaba.
14. Enwere ike ịnye usoro nhazi nke edozi isi maka ihe dị iche iche chọrọ.