Patinofamba kubva kune imwe nzvimbo kuenda kune imwe, tinowanzo tora network yakaoma yezvivakwa zvezvitima zvinoita kuti zvitima zvishande zvakanaka uye zvakanaka. Pakati pezvivakwa izvi pane njanji dzesimbi, idzo dzinoumba chikamu chikuru chenjanji dzezvitima. Pakati pemhando dzakasiyana dzenjanji dzesimbi dziripo, idzo dzinotevedzera mwero weBS dzinoita basa rakakosha mukuona kuchengetedzeka nekuvimbika kwezvirongwa zvenjanji.
BS standard steel njanji, inozivikanwawo seBritish Standard Rails, yakagadzirwa uye inogadzirwa zvinoenderana nezvinodiwa neBritish Standards Institution (BSI). Idzi njanji dzakagadzirirwa kusangana nezvinodiwa zvemhando yepamusoro uye mashandiro, zvichiita kuti dzive sarudzo yakakosha pakuvaka nekugadzirisa njanji. Kutevedzera mwero weBS kunoratidza kuzvipira kune kugona, kugara kwenguva refu, uye kugara kwenguva refu mukugadzirwa kwesimbi njanji, zvichizopedzisira zvabatsira mukushanda zvakanaka uye kuchengetedzeka kwemabasa enjanji.
Chimwe chezvakanakira zvikuru zveBS standard steel rails isimba rayo guru uye kugara kwenguva refu. Idzi njanji dzakavakwa nesimbi dzemhando yepamusoro uye dzinoedzwa zvakasimba kuti dzive nechokwadi chekuti dzinokwanisa kutsungirira mitoro inorema, mamiriro ekunze akaipisisa, uye kugara dzichisakara. Nekuda kweizvozvo, dzinodzivirira zvikuru kushata, kutsemuka, uye ngura, nokudaro dzichiwedzera hupenyu hwenjanji dzechitima uye dzichideredza kudiwa kwekuchinjwa kana kugadziriswa kakawanda. Kugara kwenguva refu uku kwakakosha pakuchengetedza zvivakwa zvenjanji zvakanaka uye kudzivirira kukanganiswa kwemasevhisi echitima.
| BS11:1985 njanji yakajairika | |||||||
| modhi | saizi (mm) | chinhu | mhando yezvinhu | kureba | |||
| upamhi hwemusoro | kukwira | bhodhi repasi | kudzika kwechiuno | (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 | 900A | 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 | 900A | 8-25 |
| 75 A | 61.91 | 128.59 | 14.3 | 12.7 | 37.455 | 900A | 8-25 |
| 75R | 61.91 | 128.59 | 122.24 | 13.1 | 37.041 | 900A | 8-25 |
| 80 A | 63.5 | 133.35 | 117.47 | 13.1 | 39.761 | 900A | 8-25 |
| 80 R | 63.5 | 133.35 | 127 | 13.49 | 39.674 | 900A | 8-25 |
| 90 A | 66.67 | 142.88 | 127 | 13.89 | 45.099 | 900A | 8-25 |
| 100A | 69.85 | 152.4 | 133.35 | 15.08 | 50.182 | 900A | 8-25 |
| 113A | 69.85 | 158.75 | 139.7 | 20 | 56.398 | 900A | 8-25 |
Kuwedzera pakugadzirwa kwavo kwakasimba,njanji dzesimbidzakagadzirirwa kusangana nehukuru hwakakodzera uye kushivirira kwejometri. Iyi nhanho yekunyatsojeka yakakosha pakuona kuti zvitima zvinofamba zvakanaka uye zvakagadzikana munzira. Nekutevedzera zvinodiwa zveBS standard, njanji idzi dzinogadzirwa nema profiles akafanana, kutwasuka, uye kurongeka, izvo zvakakosha pakuderedza kusarongeka kwenzira uye kuchengetedza kubatana kwakakodzera pakati pemavhiri ezvitima nenjanji. Maitiro chaiwo ejanji dzesimbi dzeBS standard anobatsira pakuchengetedzeka uye kunyaradzwa kwekufamba kwenjanji, kuderedza njodzi yekubuda munjanji uye kuwedzera kushanda zvakanaka kwenetwork yenjanji.
Uyezve, kutevedzera mwero weBS kunoita kuti njanji dzesimbi dzitariswe zvakanaka panguva yekugadzira. Kubva pakusarudzwa kwezvinhu zvakagadzirwa kusvika pakuongororwa kwekupedzisira kwenzira dzesimbi dzakapedzwa, kutevedzera mwero wekusimbisa kuti njanji dzinosangana nezvinodiwa zvemakanika, kuumbwa kwemakemikari, uye hunhu hwekushanda. Iyi nhanho yekudzora mhando yakakosha pakusimbisa chivimbo mukuvimbika uye kushanda kwenzira dzesimbi dzakajairwa dzeBS, zvichipa vashandi vezvitima nevatariri vezvivakwa vimbiso yekuti njanji dzichasangana nezvinodiwa zvezvitima zvinorema nguva dzose.
Kukosha kwesimbi dzeBS standard kunodarika hunhu hwadzo hwepanyama, sezvo dzichiitawo basa rakakosha mukusimudzira kushanda pamwe chete uye kurongeka mukati meindasitiri yechitima yepasi rose. Nekutevedzera mwero unozivikanwa uye unoremekedzwa senge mwero weBS, mapurojekiti ezvivakwa zvechitima anogona kubatsirwa nekuenderana nemhando dzakasiyana dzezvitima, masisitimu ezviratidzo, uye michina yekugadzirisa yakagadzirirwa kubatana zvakanaka nesimbi dzinosangana nemwero mumwe chete. Kushanda pamwe chete uku kunoita kuti nzira dzekutenga, kuisa, uye kugadzirisa zvivakwa zvechitima zvive nyore, zvichizopedzisira zvaita kuti vashandi vechitima nevakuru vakuru vaderedze mari uye vashande zvakanaka.
Mukupedzisa, kushandiswa kweBSNjanji YakajairikaZvakakosha pakuvandudza, kuwedzera, uye kugadzirisa zvivakwa zvezvitima zvemazuva ano. Njanji idzi dzinoratidza misimboti yemhando yepamusoro, kugara kwenguva refu, kunyatsorongeka, uye kushanda pamwe chete, zvese izvi zvakakosha pakuona kuti network dzezvitima dzakachengeteka uye dzinoshanda zvakanaka. Sezvo kudiwa kwenzira dzezvitima dzakavimbika uye dzinoshanda zvakanaka kuri kuramba kuchikura, basa renjanji dzesimbi dzeBS mukugadzira ramangwana rekufambisa njanji harigone kupfuudzwa zvakanyanya. Nekuchengetedza mitemo yakatarwa neBritish Standards Institution, indasitiri yezvitima inogona kuramba ichivimba nekugona kwakaratidza kwenjanji dzesimbi dzeBS kuti dzitsigire kufamba kwevanhu nezvinhu nechivimbo uye kuvimbika.
Nguva yekutumira: Chivabvu-23-2024