Viaduct - ibhuloho noma cha?

Bridges, overpasses, flyovers, viaducts - konke mazwi omqondofana. Ngaphezu kwalokho, bamele emisebenzini yokwakha ezithi azifane, kabanzi indoda ebhizinisini lakhe. Ukuze ahlukanise phakathi imiqondo le, futhi linikeza izinto ezincane.

kwebhuloho

Lokhu ukwakhiwa ubunjiniyela, yasungulwa kudala. Omunye izinsuku endala kusukela nantathu ekhulwini BC. Kusukela ezikhathini zasendulo, abantu baye baqala ukwakha amabhuloho okunqoba izithiyo amanzi ezifana imifula, amachibi, amaxhaphozi, njll Ngakho-ke, leli zwi kakhulu esetshenziswa phakathi ezihlongozwayo, kodwa futhi omdala hhayi kuphela. Ngomqondo obanzi, wonke amanye izindawo okukhulunywe ngabo lapha bangabantu amabhuloho, ngakho umbuzo owaphakanyiswa isihloko, kufanele uphendule "yebo." Nokho, kukhona "kodwa." Mayelana naye ngemva kwesikhashana.

viaduct

Lesi sakhiwo, elakhiwa phezu ngenye indlela, kodwa hhayi ngokuthi ibhuloho ngoba ngokomthetho kunomehluko ezibucayi kuye. Okokuqala bona zibangelwa yokuthi umklamo abahamba akukho isidingo cabanga ngomthelela imihlola ehlukahlukene zemvelo elihlobene ne wamanzi, iyatholakala ngaphansi kwebhuloho. Ngakho-ke isekela kudalwa isimiso kulokhu iyahluka ngokuyinhloko. Ngeke lokumba imininingwane yezobuchwepheshe, sikhumbula izinto ezintathu kuphela, okuyinto ngiphethwe yikhanda ngesikhathi amabhuloho abaklami. Lokhu kuphulwa ice, zicekela phansi kanye nemikhumbi ngobuningi odlulayo ngaphansi. Ngezinyawo - eqinisweni, ibhuloho phezu ngendlela evamile. Ngakho-ke, sinesizathu elinye ihlandla lesi sakhiwo. Yileso elincane "kodwa" semthethweni ngokusebenzisa igama elithi "ibhuloho 'ekutholweni abahamba.

ngezinyawo

Uma ukwakhiwa abahamba ngokuvamile kudinga emibili kuya kwemine nezipani ka ayi-10-30 amamitha ubude ngamunye, ukuthi ebeka trestle ngokuvamile kuyadingeka ukuze benze okwengeziwe. Empeleni, lokhu kuyiso sonke umehluko phakathi izakhiwo zobunjiniyela. Nokho, iphuzu elibalulekile lapha ukuthi platform ukulayisha kungase ukuwela zinhlobo eziningi izithiyo, isibonelo, kungenzeka umfula, onguthelawayeka kanye ujantshi amathrekhi ngesikhathi esifanayo, ngaleyo ndlela ngokuhlanganisa yena kwebhuloho kanye ngezinyawo.

viaduct

Cabanga uhlobo elandelayo ibhuloho. Kukhona olunye uhlobo izithiyo ngokuyisisekelo sihluke kulabo kakade esisanda kuxoxa ngazo. Lokhu kumele kufake nemihosha, ezihosheni, emihosheni. Ngakho-ke, lapho engasakwazi ukusebenzisa igama elithi "ngezinyawo". Kuyinto uhlobo kwebhuloho isakhiwo - the viaduct. Cabangela izici zayo.

Ukwakhiwa viaducts esikhundleni imigwaqo ezivamile ulungisiswa ezimweni lapho inexpedient kwezomnotho ukwakha indunduma. Lokho bonke kunqunywa lwalowomgodi ukujula, futhi ubude bayo iphrofayili etholakalayo umzila ezokuthutha. Ngakho, umehluko kusuka trestle viaduct kungekho surface ucishe flat ngaphansi kwebhuloho. Ngenxa yalesi isici, uhlobo olufanayo asekelana nezipani kulokhu ayisekho efanelekayo. Viaducts ngokuvamile - izakhiwo amahle kakhulu futhi ngokubabazekayo. Ngokwesibonelo, ukuphakama kwensika eyodwa yezinsika viaduct ephakeme kunazo zonke emhlabeni ka Millau cishe 340 metres.

Eqhubeka indaba ephathwayo, singakwazi ukusho esinye isakhiwo ezithakazelisayo, nakuba distantly kuphela ezihlobene imiqondo ezifana overpasses nemigwaqo. Lona okuthiwa imisele yamanzi nezindawo eziyisikhumbuzo. Lokhu fanekiso kuya viaduct, kuphela ekudluliseni amanzi, esikhundleni izimoto phezu udonga, umfula noma ezinye izingqinamba, ngokuvamile yingxenye yesimiso sokunisela ngenkasa.

isiphetho

Ukubuyela umbuzo owaphakanyiswa isihloko, imphendvulo yekugcina kuso. Yebo, viaduct - ibhuloho phezu kwesimiso ukwakhiwa, hhayi, njengoba ayidaliwe phezu kwamanzi izingozi, futhi emgwaqeni efanayo. Njalo is dialectic.