I-ring bit Tunnel Forepoling Casing Advance

I-Forepoling, eyaziwa nangokuthi isambulela se-tube, isicelo esisetshenziselwa ukuqinisa uphahla lomhubhe ezimeni zamatshe aphukile.Uhlelo lokubhoboza luquketheibhokisiamashubhu abhobhozwa emthwalweni omkhulu njengesambulela futhi agcwaliswe nge-grouting.I-KAT Casing System ivumela ukushayela okulula kwamashubhu e-casing emhlabathini ngesidingo esiphansi se-torque.Ekubikezelweni kwesimanjemanje futhi ama-fiberglass casings angasetshenziselwa ama-facebolt amade kakhulu.

I-KAT Casing Systems esetshenziswa kakhulu ekubikezelweni yi-RoX+ 88,9/8, RoX 114,3/10 kanye ne-RoX 139,7/10.

Amashubhu e-Casing

Ngokuvamile inqwaba eyodwa iqukethe amagobolondo ensimbi amaningana angamamitha ayi-1,5 - 3

Ukuxhumana ngentambo

Ama-valve omjovo wokugaya

Ububanzi bekesi obujwayelekile: 88,9 – 114,3 – 139,7 – 168,3 mm

.I-Pilot Bits.Ring Assemblies .I-Drill Rods.I-Starter Casings.I-Extension Casings .Grouting Plugs (end caps) .Ama-adaptha .Ama-valve okugaya .I-Forepoling Drilling Systems

Ikhodi yesistimu	Isikhwama				Ibhithi yokukhala				Pilot bit		Uchungechunge
	[mm]	[ku]	[mm]	[ku]	[mm]	[ku]	[mm]	[ku]	[mm]	[ku]
I-RoX+ 76,1/4	76.1	3	4	0.157	52	2.047	90	3.543	66	2.598	R32
I-RoX+ 76,1/8	76.1	3	8	0.315	47	1.850	90	3.543	59	2.323	R32
I-RoX+ 88,9/4	88.9	3 ½	4	0.157	71	2.795	99	3.898	80	3.150	T38
I-RoX+ 88,9/8	88.9	3 ½	8	0.315	50.8	2.000	94.9	3.736	70	2.756	T38
I-RoX+ 101,6/10	101.6	4	10	0.394	65	2.559	110	4.331	79	3.110	T38
I-RoX+ 114,3/5	114.3	4 ½	5	0.197	91	3.583	128	5.039	102	4.016	T38
RoX 114,3/10	114.3	4 ½	10	0.394	73.5	2.894	120.30	4.736	92.5	3.642	T38
RoX 139,7/10	139.7	5 ½	10	0.394	94	3.701	145.70	5.736	117.5	4.626	T45
I-RoX+ 159,0/10	159.0	6 ¼	10	0.394	119	4.685	169.0	6.654	137	5.394	T45
I-RoX+ 168,3/10	168.3	6 ⅝	10	0.394	127	5.000	182.3	7.177	147	5.787	T45
I-RoX+ 219,1/12,7	219.1	8 ⅝	127	0.500	167	6.575	234	9.213	191	7.520	T45
I-RoX+ GFRP 76,1/8	76.1	3	8	0.315	47	1.850	90	3.543	59	2.323	R32
I-RoX+ GFRP 76,1/8	76.1	3	8	0.315	47	1.850	90	3.543	59	2.323	T35