Batho ba bangata ha ba e-so utloe ka theknoloji ea tokiso ea lithunya tsa trenchless hobane lebitso la eona le lelelele haholo 'me le batla le ferekanngoa, empa botumo ba eona ba machaba boa tsoteha. U.S. Highway Strategic Research Programme e e bitsa e tšoarellang ka ho fetisisa. le mekhoa e metle ea ho lokisa.
American Highway Strategic Research Program? The U.S. Strategic Highway Research Program ke morero o moholo ka ho fetisisa oa ho etsa lipatlisiso ka litsela tse kholo lefatšeng ho fihlela joale. Ka mor'a ho itloaetsa nako e telele, bafuputsi ba fumane hore likhopolo tse tloaelehileng tsa moralo le mekhoa ea liteko li fapane haholo le boemo ba sebele. Mathata a mang a hlahang nakong ea mosebetsi a thata ho hlalosa ka likhopolo tsa setso. Ho bohlokoa haholo ho etsa lipatlisiso tsa mahlale le tse hlophisehileng ho theha melao le litekanyetso tse ncha tsa moralo, liteko le tlhokomelo ea kaho ho fihlela litlhoko tsa kaho ea litsela tse kholo.

Ke hobane’ng ha theknoloji ea ho lokisa lithunya e e-na le botumo bo matla hakaale hoo mafapha a tsebahalang haholo a United States a tletseng thoriso bakeng sa eona?
Theknoloji ea kaho ea ho lokisa lithunya e se nang trenchless e sebelisa lisebelisoa tse kopantsoeng tsa polymer tse nang le maqhubu a phahameng le a phahameng a viscosity e le thepa ea tlamahano, 'me e hlatsoitse lehlohlojane le nang le thollo e le 'ngoe e le kakaretso. Liforo li hloekisoa ka moea o nang le khatello e phahameng 'me li fafatsoa ka thepa ea ho kopanya. Mekhoa e mene ea kaho ea ho kopanya le ho fafatsa oli ea moalo oa sekhomaretsi, lisebelisoa tse tlamang le kakaretso, le lisebelisoa tsa ho fafatsa tsa ho fafatsa li kenyellelitsoe mochining o le mong oa ho lokisa lithunya. Lokisa ka ho sa feleng mapetsong, mapetsong, mapetsong a ka tlaase le likoti mapatlelong a sekontiri le samente.
Hase hoo feela, theknoloji ea ho lokisa lithunya tse se nang lithunya e na le mefuta e mengata ea lisebelisoa, ho kenyeletsa litsela tsa lebelo le holimo, tsa boemo ba pele, tsa bobeli, tsa setereke le tsa makeisheneng; sekontiri, samente, litsela tsa lehlohlojane le libaka tse ling tsa litsela; theko ea kaho e tlase mme e ka boloka 50% ea lisebelisoa; lebelo la ho lokisa le potlakile, 'me le ka buloa ho sephethephethe hang ka mor'a ho lokisoa ho fokotsa nako ea sephethephethe se koetsoeng; hang ha e lokisoa, ha ho hlokahale hore u lokisoe hape, 'me bophelo ba tšebeletso bo bolelele ba lilemo tse 5-10.
Batho ba bang ba ka 'na ba nahana hore litaba tse ka holimo li feteletsoe, empa thepa ena e amoheloa ke US Highway Strategic Research Programme' me e nkoa ke eona e le mokhoa o tšoarellang ka ho fetisisa le o sebetsang hantle oa ho lokisa. Ho ka bonoa hore e na le "bokhoni ba sebele" ba eona. U nahana eng?