Ukuqonda Ukubaluleka Kweenkqubo Ezifanelekileyo Zokuwelda Iipayipi Kwipayipi Yentsimbi Ejikelezayo Esetyenziswa Kwimigca Yamanzi Angaphantsi Komhlaba
Imibhobho yentsimbi ejikelezayozisetyenziswa kakhulu kwiipayipi zamanzi angaphantsi komhlaba ngenxa yokuba zinamandla aphezulu kwaye ziyakwazi ukumelana noxinzelelo lwangaphandle. Iipayipi zenziwe ngeentsimbi ezijijekileyo zentsimbi ezishushu ezenza imilo ejikelezayo. Inkqubo yokuwelda ejikelezayo esetyenziselwa ukwenza ezi payipi inika ulungelelwaniso oluhle kakhulu lwesakhiwo, nto leyo eyenza ukuba zilungele ukusetyenziswa phantsi komhlaba.
| Ububanzi obuqhelekileyo bangaphandle | Ubukhulu bodonga oluqhelekileyo (mm) | ||||||||||||||
| mm Ngaphakathi | 6.0 | 7.0 | 8.0 | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 15.0 | 16.0 | 18.0 | 20.0 | 22.0 | |
| Ubunzima Ngeyunithi Ubude (kg/m) | |||||||||||||||
| 219.1 | 8-5/8 | 31.53 | 36.61 | 41.65 | |||||||||||
| 273.1 | 10-3/4 | 39.52 | 45.94 | 52.30 | |||||||||||
| 323.9 | 12-3/4 | 47.04 | 54.71 | 62.32 | 69.89 | 77.41 | |||||||||
| (325) | 47.20 | 54.90 | 62.54 | 70.14 | 77.68 | ||||||||||
| 355.6 | 14 | 51.73 | 60.18 | 68.58 | 76.93 | 85.23 | |||||||||
| (377.0) | 54.89 | 63.87 | 72.80 | 81.67 | 90.50 | ||||||||||
| 406.4 | 16 | 59.25 | 68.95 | 78.60 | 88.20 | 97.76 | 107.26 | 116.72 | |||||||
| (426.0) | 62.14 | 72.33 | 82.46 | 92.55 | 102.59 | 112.58 | 122.51 | ||||||||
| 457 | 18 | 66.73 | 77.68 | 88.58 | 99.44 | 110.24 | 120.99 | 131.69 | |||||||
| (478.0) | 69.84 | 81.30 | 92.72 | 104.09 | 115.41 | 126.69 | 137.90 | ||||||||
| 508.0 | 20 | 74.28 | 86.49 | 98.65 | 110.75 | 122.81 | 134.82 | 146.79 | 158.69 | 170.56 | |||||
| (529.0) | 77.38 | 90.11 | 102.78 | 115.40 | 127.99 | 140.52 | 152.99 | 165.43 | 177.80 | ||||||
| 559.0 | 22 | 81.82 | 95.29 | 108.70 | 122.07 | 135.38 | 148.65 | 161.88 | 175.04 | 188.17 | |||||
| 610.0 | 24 | 89.37 | 104.10 | 118.77 | 133.39 | 147.97 | 162.48 | 176.97 | 191.40 | 205.78 | |||||
| (630.0) | 92.33 | 107.54 | 122.71 | 137.83 | 152.90 | 167.92 | 182.89 | 197.81 | 212.68 | ||||||
| 660.0 | 26 | 96.77 | 112.73 | 128.63 | 144.48 | 160.30 | 176.05 | 191.77 | 207.43 | 223.04 | |||||
| 711.0 | 28 | 104.32 | 121.53 | 138.70 | 155.81 | 172.88 | 189.89 | 206.86 | 223.78 | 240.65 | 257.47 | 274.24 | |||
| (720.0) | 105.65 | 123.09 | 140.47 | 157.81 | 175.10 | 192.34 | 209.52 | 226.66 | 243.75 | 260.80 | 277.79 | ||||
| 762.0 | 30 | 111.86 | 130.34 | 148.76 | 167.13 | 185.45 | 203.73 | 211.95 | 240.13 | 258.26 | 276.33 | 294.36 | |||
| 813.0 | 32 | 119.41 | 139.14 | 158.82 | 178.45 | 198.03 | 217.56 | 237.05 | 256.48 | 275.86 | 295.20 | 314.48 | |||
| (820.0) | 120.45 | 140.35 | 160.20 | 180.00 | 199.76 | 219.46 | 239.12 | 258.72 | 278.28 | 297.79 | 317.25 | ||||
| 864.0 | 34 | 147.94 | 168.88 | 189.77 | 210.61 | 231.40 | 252.14 | 272.83 | 293.47 | 314.06 | 334.61 | ||||
| 914.0 | 36 | 178.75 | 200.87 | 222.94 | 244.96 | 266.94 | 288.86 | 310.73 | 332.56 | 354.34 | |||||
| (920.0) | 179.93 | 202.20 | 224.42 | 246.59 | 286.70 | 290.78 | 312.79 | 334.78 | 356.68 | ||||||
| 965.0 | 38 | 188.81 | 212.19 | 235.52 | 258.80 | 282.03 | 305.21 | 328.34 | 351.43 | 374.46 | |||||
| 1016.0 | 40 | 198.87 | 223.51 | 248.09 | 272.63 | 297.12 | 321.56 | 345.95 | 370.29 | 394.58 | 443.02 | ||||
| (1020.0) | 199.66 | 224.39 | 249.08 | 273.72 | 298.31 | 322.84 | 347.33 | 371.77 | 396.16 | 444.77 | |||||
| 1067.0 | 42 | 208.93 | 234.83 | 260.67 | 286.47 | 312.21 | 337.91 | 363.56 | 389.16 | 414.71 | 465.66 | ||||
| 118.0 | 44 | 218.99 | 246.15 | 273.25 | 300.30 | 327.31 | 354.26 | 381.17 | 408.02 | 343.83 | 488.30 | ||||
| 1168.0 | 46 | 228.86 | 257.24 | 285.58 | 313.87 | 342.10 | 370.29 | 398.43 | 426.52 | 454.56 | 510.49 | ||||
| 1219.0 | 48 | 238.92 | 268.56 | 298.16 | 327.70 | 357.20 | 386.64 | 416.04 | 445.39 | 474.68 | 553.13 | ||||
| (1220.0) | 239.12 | 268.78 | 198.40 | 327.97 | 357.49 | 386.96 | 146.38 | 445.76 | 475.08 | 533.58 | |||||
| 1321.0 | 52 | 291.20 | 323.31 | 327.97 | 387.38 | 449.34 | 451.26 | 483.12 | 514.93 | 578.41 | |||||
| (1420.0) | 347.72 | 355.37 | 416.66 | 451.08 | 485.41 | 519.74 | 553.96 | 622.32 | 690.52 | ||||||
| 1422.0 | 56 | 348.22 | 382.23 | 417.27 | 451.72 | 486.13 | 520.48 | 554.97 | 623.25 | 691.51 | 759.58 | ||||
| 1524.0 | 60 | 373.38 | 410.44 | 447.46 | 484.43 | 521.34 | 558.21 | 595.03 | 688.52 | 741.82 | 814.91 | ||||
| (1620.0) | 397.03 | 436.48 | 457.84 | 515.20 | 554.46 | 593.73 | 623.87 | 711.11 | 789.12 | 867.00 | |||||
| 1626.0 | 64 | 398.53 | 438.11 | 477.64 | 517.13 | 556.56 | 595.95 | 635.28 | 713.80 | 792.13 | 870.26 | ||||
| 1727.0 | 68 | 423.44 | 465.51 | 507.53 | 549.51 | 591.43 | 633.31 | 675.13 | 758.64 | 841.94 | 925.05 | ||||
| (1820.0) | 446.37 | 492.74 | 535.06 | 579.32 | 623.50 | 667.71 | 711.79 | 799.92 | 887.81 | 975.51 | |||||
| 1829.0 | 72 | 493.18 | 626.65 | 671.04 | 714.20 | 803.92 | 890.77 | 980.39 | |||||||
| 1930.0 | 76 | 661.52 | 708.40 | 755.23 | 848.75 | 942.07 | 1035.19 | ||||||||
| (2020.0) | 692.60 | 741.69 | 790.75 | 888.70 | 986.41 | 1084.02 | |||||||||
| 2032.0 | 80 | 696.74 | 746.13 | 795.48 | 894.03 | 992.38 | 1090.53 | ||||||||
| (2220.0) | 761.65 | 815.68 | 869.66 | 977.50 | 1085.80 | 1192.53 | |||||||||
| (2420.0) | 948.58 | 1066.26 | 1183.75 | 1301.04 | |||||||||||
| (2540.0) | 100 | 995.93 | 1119.53 | 1242.94 | 1366.15 | ||||||||||
| (2845.0) | 112 | 1116.28 | 1254.93 | 1393.37 | 1531.63 | ||||||||||
Phawula:
1. Kukwakho neepayipi zentsimbi ezinobubanzi obuqhelekileyo bangaphandle kunye nobukhulu bodonga obuqhelekileyo phakathi kobukhulu bazo obukufutshane obudweliswe kwitheyibhile, kodwa isivumelwano siya kusayinwa.
2. Iidayamitha zangaphandle eziqhelekileyo kwiibrakethi kwitheyibhile ziidayamitha ezibekelwe bucala.
Enye yezona zinto zibalulekileyo ekusebenziseni intsimbi ejikelezayoimibhobho yamanzi angaphantsi komhlabayinkqubo efanelekileyo yokuwelda. Ukuwelda yinkqubo yokudibanisa iindawo ezimbini zesinyithi ngokusebenzisa ubushushu kunye noxinzelelo. Kwimibhobho yamanzi engaphantsi komhlaba, umgangatho wokuwelda uchaphazela ngokuthe ngqo ukuthembeka kunye nokuthembeka kombhobho.
Efanelekileyoiinkqubo zokuwelda imibhobhoKwipayipi yentsimbi ejikelezayo kufuneka amanyathelo aliqela abalulekileyo. Okokuqala, umphezulu wombhobho oza kudityaniswa kufuneka ucoceke kwaye ungabi nazinto zingcolisayo ezifana nokungcola, ioyile, okanye ipeyinti. Oku kuqinisekisa ukuba i-weld iqinile kwaye ayinazo izinto ezingcolileyo ezinokuthi zonakalise amandla ayo.
Okulandelayo, iiparameter zokuwelda ezifana nokufaka ubushushu, isantya sokuwelda, kunye nobuchule kufuneka zilawulwe ngononophelo ukuze kufunyanwe ukuwelda okusemgangathweni ophezulu. Ukusebenzisa izixhobo kunye neendlela zokuwelda ezifanelekileyo kubalulekile ekuthinteleni iziphene ezifana nokuqhekeka, ukuqhekeka, okanye ukungabikho kokudibana, okunokubeka emngciphekweni ukuthembeka kokuwelda.
Ukongeza, iinkqubo ezifanelekileyo zokufudumeza kwangaphambili kunye neenkqubo zokufudumeza emva kokuwelda zibalulekile kwimibhobho yentsimbi ejikelezayo esetyenziswa kwimigca yamanzi angaphantsi komhlaba. Ukufudumeza kunceda ukunciphisa umngcipheko wokuqhekeka kwaye kuphucule umgangatho we-weld iyonke, ngelixa unyango lobushushu emva kokuwelda lunciphisa uxinzelelo olushiyekileyo kwaye luqinisekisa isakhiwo esincinci esifanayo kuyo yonke indawo ye-weld.
Ukongeza, ukusetyenziswa kobuchwepheshe obuphambili bokutywina njengeenkqubo zokutywina ezizenzekelayo kunye novavanyo olungonakalisiyo kunokuphucula ngakumbi umgangatho kunye nokuthembeka kokutywina. Ezi teknoloji zinceda ekuqinisekiseni ukuba amalungu aqhotyoshelweyo ahlangabezana namandla afunekayo kunye nemigangatho yomgangatho wokubonelela ngoxolo lwengqondo malunga nokusebenza kwexesha elide kwemigca yamanzi angaphantsi komhlaba.
Ngamafutshane, iinkqubo ezifanelekileyo zokuwelda iipayipi zibalulekile ekuqinisekiseni ukuthembeka kunye nobude bexesha lombhobho wentsimbi ojikelezayo osetyenziswa kwimigca yamanzi angaphantsi komhlaba. Ngokulandela iiparameter zokuwelda ezifunekayo, iindlela kunye namanyathelo okulawula umgangatho, umngcipheko weziphene kunye nokungaphumeleli kokuwelda unokunciphisa kakhulu. Isiphumo kukuba umgca wamanzi angaphantsi komhlaba othembekileyo nohlala ixesha elide onokumelana novavanyo lwexesha kwaye unikezele ngeenkonzo zokuhambisa amanzi ezikhuselekileyo nezisebenzayo. Kwimigca yamanzi angaphantsi komhlaba, ukutyala imali kwinkqubo efanelekileyo yokuwelda linyathelo elibalulekileyo ekuqinisekiseni ukuthembeka kunye nobude bexesha lombhobho.







