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Njanji dzinonyanya kushandiswa mune njanji systems seyakaita zvitima zvekufamba. Vanotakura uremu hwechitima, ipa nzira yakasimba, uye ita shuwa kuti chitima chinogona kushanda zvakachengeteka uye zvinobudirira. Simbi njanji inowanzogadzirwa nesimbi ine simba uye inokwanisa kutsungirira inomanikidzwa uye ichishandiswa kushandiswa, saka vanoita basa rakakosha mukufambisa yechitima.

Simbi njanji inonyanya kushandiswa muRailway masisitimu, kusanganisira yakakwirira-mhanyisa njanji, kupindirana njanji, nzira dzakadzika, dzinza dzinotyisa uye mamwe marudzi eRailways. Mukuwedzera, njanji dzesimbi dzinogona kushandiswawo mune dzimwe nguva dzakakosha, dzakadai seyakatetepa-geji njanji mumigodhi nemakungwa akasarudzika mufekitori. Zvakazara, njanji ndicho chikamu chakakosha chechitima chechitima chekufambisa system.

NjanjiSTandards uyePARAMETERS MUVnhapwaCOunties

Chigadzirwa Zita: Britain Standard Steel Rail

Zvinyorwa: BS500, BS60A, BS60R, BS70a, BS75R, BS80, BS90A, BS100A, BS100A, BS100A, BS 113A

Standard: BS11-1985 Zvinyorwa: 700 / 900a

Kureba: 8-25m

Technical paramende tafura yeBritish Gauge njanji

BS11: 1985 Standard Rail
modhi	saizi (mm)				chinhu	hunhu	kureba
	musoro wepamoyo	Altitude	baseboard	Walist kudzika	(KG / M)		(m)
	A (mm)	B (mm)	C (mm)	D (mm)
500	52.39	100.01	100.01	10.32	24.833	700	6-18
60 a	57.15	114.3	109.54	11.11	30.618	900N	6-18
60r	57.15	114.3	109.54	11.11	29.822	700	6-18
70 A	60.32	123.82	111.12	12.3	34.807	900N	8-25
75 a	61.91	128.59	14.3	12.7	37.455	900N	8-25
75R	61.91	128.59	122.24	13.1	37.041	900N	8-25
80 a	63.5	133.35	117.47	13.1	39.761	900N	8-25
80 R	63.5	133.35	127	13.49	39.674	900N	8-25
90 a	66.67	142.88	127	13.89	45.099	900N	8-25
100a	69.85	152.4	133.35	15.08	50.182	900N	8-25
113A	69.85	158.75	139.7	20	56.398	900N	8-25

Chigadzirwa Zita: American Standard Steel Rail

Zvinyorwa zveAsce25, ASCE30, ASCE40, ASCE60, ASCE7, ASCE85,90,000, 136re, 175 lbs

Standard: The American Standard

Zvinyorwa: 700 / 900A / 1100

Kureba: 6-12m, 12-25m

Technical paramende tafura yeAmerican Standard njanji

United States Standard Steel Rail
modhi	saizi (mm)				chinhu	hunhu	kureba
	musoro wepamoyo	Altitude	baseboard	Walist kudzika	(KG / M)		(m)
	A (mm)	B (mm)	C (mm)	D (mm)
ASCE 25	38.1	69.85	69.85	7.54	12.4	700	6-12
ASCE 30	42.86	79.38	79.38	8.33	14.88	700	6-12
ASCE 40	47.62	88.9	88.9	9.92	19.84	700	6-12
ASCE 60	60.32	107.95	107.95	12.3	29.76	700	6-12
ASCE 75	62.71	122.24	22.24	13.49	37.2	900A / 110	12-25
ASCE 83	65.09	131.76	131.76	14.29	42.17	900A / 110	12-25
90ra	65.09	142.88	130.18	14.29	44.65	900A / 110	12-25
115re	69.06	168.28	139.7	15.88	56.9	Q00A / 110	12-25
136RE	74.61	185.74	152.4	17.46	67.41	900A / 110	12-25

Chigadzirwa Zita: Indian Standard Steel Rail

Kufunga: iscr 200, iscr60, iscr60, iscr70, iscr80, iscr120, iscr120 standard is: 55q / u 71 mn

Kureba: 9-12m

Indian Standard Railnical Technical Parameter tafura

Iyo iscr standard steel njanji
modhi	saizi (mm				chinhu	hunhu	kureba
	musoro wepamoyo	Altitude	baseboard	Walist kudzika	(KG / M)		(m)
	A (mm)	B (mm	C (mm	D (mm)
Isccr 50	51.2	90	90	20	29.8	55q / u71	Musi waSeptember 12
Iscr 60	61.3	105	105	24	40	550 / u71	Musi waSeptember 12
Iscr.70	70	120	120	28	52.8	U71MN	Musi waSeptember 12
Iscr.80	81.7	130	130	32	64.2	U71MN	Musi waSeptember 12
Iscr 100	101.9	150	150	38	89	U71MN	Musi waSeptember 12
Iscr 120	122	170	170	44	118	U71MN	Musi waSeptember 12

Chigadzirwa Zita: South Africa Standard Rail

Kufunga: 15kg, 22kg, 30kg, 40kg, 48kg, 57kg standard: iscor standard

Zvinyorwa: 700 / 900A

Kureba: 9-25m

Standard njanji technical parameter tafura yeSouth Africa

Iyo iscor yakajairika Steel Rail
modhi	saizi (mm				chinhu	hunhu	kureba
	saizi (mm
	musoro wepamoyo	Altitude	baseboard	Walist kudzika	(KG / M)		m)
	A (mm	B (mm)	C (mm)	D (mm
15kg	41.28	76.2	76.2	7.54	14.905	700	9
22kg	50.01	95.25	95.25	9.92	22.542	700	9
30kg	57.15	109.54	109.54	11.5	30.25	900N	9
40kg	63.5	127	127	14	40.31	900N	9-25
48kg	68	150	127	14	47.6	900N	9-25
57kg	71.2	165	140	16	57.4	900N	9-25