Lub qab ntuj no feem coob siv tej twj no li cas?

Cement: Cov hmoov khoom siv los ua concrete.

Vim li cas cov concrete Teeb meem?

Concrete yog xyaum qhov txhia chaw. Peb infrastructure relies rau nws. Nws nrhiav tau nyob rau hauv peb txoj kev thiab kev loj, chaw rau tsheb thiab tsev, txuas hniav thiab vaj tse, chaw ntau pob thiab ballparks. Qhov tseeb, Tim Becken, senior vice president, Cemstone, hais concrete yog tus thib ob feem ntau noj khoom tom ntej no ntxiv rau dej.

Vim li cas nkoj Cement rau lub Mississippipi?

Ua ntej thiab foremost, peb tsis muaj lub pob zeb hauv av yuav tsum tau ua cement hauv Minnesota. Nws tawm los ntawm tej chaw farther south, xws li Iowa thiab Missouri. Tau ob peb xyoos, nws txawm los ntawm tej chaw kom deb li deb teb chaws Europe thiab Asia.

Yog vim li cas yog yooj yim economics. Dej shipping nqi tsawg.

Ntawm no yog ib qho piv txwv uas feem ntau siv nyob rau hauv txoj kev ua lag luam shipping.

Yog hais tias koj yuav tsum nkoj 1 ton ntawm cov khoom uas muaj 1 gallon roj, deb li cas koj yuav mus?

Yog shipping los ntawm tsheb loj: 150 mais

Yog shipping los ntawm tsheb ciav hlau: 477 mais

Yog shipping los barge: 640 mais

Tsawg roj=txo nqi. Yog barge shipping twb tsis muaj kev xaiv, concrete (thiab tag nrho cov khoom uas khi rau concrete) yuav nce nqi.

Yog xav paub ntxiv txog li cas concrete yog ua, mus http://www.cement.org/cement-concrete-basics.