Sare oo safka hore ee xarkaha ah ee loo yaqaan 'Streat' oo safka sare ee birta ah
Habka wax soo saarka wax soo saarka
Sida ku xusan qaabka kala duwan,Jaangooyada Heerka Heerkawaxaa loo qaybin karaa "I-qaabeeya", "sideed qaab", "weel" iyo wixii la mid ah. Waxaa ka mid ah, "Nooca" waa midka ugu badan, oo leh awood xoog leh, rakibaad fudud iyo astaamo kale; "Sideed font" waxay ku habboon tahay qalooca, oo leh wax qabad isteerinka wanaagsan; "Nooca xarkaha" wuxuu ku habboon yahay hoosaadyada boosaska magaalooyinka iyo meelaha kale ee dhawaqa iyo gariirku u baahan yihiin in la dhimo.

Marka loo eego qaybaha kala duwan ee isticmaalka, tareenka ayaa loo qaybin karaa tareenka tareenka ee caadiga ah iyo tareenka gaarka ah ee ujeedada gaarka ah. Tareenka tareenka caadiga ah ee caadiga ah wuxuu ku habboon yahay khadadka guud ee tareenka, waxayna leedahay astaamaha awooda awoodda adag iyo caabbinta wanaagsan.
Cabirka wax soo saarka
Wadada tareenka gaarka ah ee ujeedada tareenka gaarka ah waxay ku habboon tahay xaaladaha gaarka ah ee tareenka, sida meelaha qabow ee dhaadheer, xeebta iyo wixii la mid ah.

Tartanka Standarda Mareykanka ee Mareykanka | |||||||
nooc | Cabbirka (mm) | walax | tayada sheyga | dherer | |||
Rutth madaxa | sare | saldhig salka | qoto dheer | (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 |
115Rre | 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 |

American Heerka Tareenka:
Faahfaahinta: Ascec 235, Ascect30, Asce40, Ascecyaah, Asce65, Ascyra, 115re, 135lbs
Heerka: ASTM A1, Arema
Waxyaabaha: 700 / 900a / 1100
Dhererka: 6-12m, 12-25m
Astaamaha
Waxay kuxirantahay dhererka,Heerka tareenkawaxaa loo qaybin karaa dhererka caadiga ah iyo dhererka aan caadiga ahayn. Dhererka caadiga ah guud ahaan waa 12 mitir, oo ku habboon khadadka tareenka badankood; Dhererka aan caadiga ahayn waa loo habeeyay iyadoo loo eegayo baahiyaha dhabta ah, sida buundooyinka qaar, tunelada iyo qaybaha kale ee gaarka ah ee loo baahan yahay gaagaaban ama dheer.

Isticmaal
Sababo la xiriira hordhaca iyo guddiga safka waxsoosaarka guud ee caalamiga ah, gudahabir tareenTeknolojiyada wax soo saarka ayaa gaadhay heer cusub, taas oo gartay nooc ka mid ah 100m-dheer oo wax soo saar ah oo hal madhan iyo hal tareenka

Si loo iswaafajiyo adkaanta iyo xasilloonida, wadamadu badanaa waxay xakameeyaan saamiga birta birta balaalka ugu hooseeya, waa H / b, marka la qaabeeyo qaybta tareenka. Guud ahaan, H / B ayaa la xakameeyaa inta u dhexeysa 1.15 iyo 1.248. Qiimaha H / B ee Rails ee wadamada qaarkood ayaa lagu muujiyey miiska.
Baakadaha iyo dhoofinta
Muuqaalka dalabka Sababta oo ah qaab dhismeedkeeda fudud iyo qiimaha jaban, waxaa si weyn loogu isticmaalaa dhismaha tareenka.


Dhismaha Wax soo saarka

Warqad maqas
1.Maxaan kaa heli karaa oraahdaada?
Waad nooga tagi kartaa farriinta, oo waxaan ugu jawaabi doonnaa farriin kasta waqti kasta.
2. Miyaad umulisaa alaabta waqtigii loogu talagalay?
Haa, waxaan ballan qaadnaa inaan bixinno badeecooyinka iyo bixinta tayada ee ugu tayada leh waqtiga loogu talagalay. Daacadnimadu waa xaashiyahayaga shirkadda.
3.Can waxaan helaa muunado kahor inta ka horreysa?
Haa, dabcan. Badanaa saamiyadayadu waa bilaash, waxaan ku soo saari karnaa shaybaarkaaga ama sawirro farsamo.
4. Waa maxay shuruudahaaga bixinta?
Mudnaantaada dib-u-bixinta ayaa ah 30% dhigaal, oo nasiino ka dhanka ah B / L. Exw, FOB, CFR, CIF.
5.Ma ma aqbashaa kormeerka xisbiga saddexaad?
Haa gabi ahaanba waan aqbalnaa.
6.Maxaan ku kalsoonahay shirkaddaada?
Waxaan ku takhasusay ganacsiga birta muddo sanado ah sida dahabka Dahabka ah, xarunta xarumaha ay ku taal gobolka Tianjin, ku soo dhawow si ay u baarayaan siyaabo kasta, oo dhan.