Yuav ua li cas underwater concreting?

Cov txheej txheem:

Yuav ua li cas underwater concreting?
Yuav ua li cas underwater concreting?
Anonim

Tremie Txoj Kev Hauv Qab Dej Concreting Lub pob zeb yog tsiv mus rau lub hopper los ntawm kev siv, siv conveyer lossis hla. Tremie yeeb nkab, uas sab sauv kawg txuas nrog lub hopper thiab qis kawg txuas ntxiv submerged hauv cov pob zeb tshiab, yog siv los tso pob zeb rau ntawm qhov chaw nyob ntawm lub hopper ntawm qhov chaw.

Yuav siv li cas rau kev ua dej hauv qab dej?

hom cement siv rau kev tsim kho feem ntau, suav nrog kev tsim kho hauv qab dej, yog Portland cement. Ua los ntawm cov av nplaum kub thiab cov txiv qaub, Portland cement yog qhov zais cia rau pob zeb muaj peev xwm teeb tsa hauv qab dej.

Txoj kev tremie yog dab tsi?

Ib tremie yog siv los nchuav pob zeb hauv qab dej hauv txoj kev uas tsis txhob ntxuav tawm cement los ntawm kev sib xyaw vim muaj dej tsis sib haum nrog cov pob zeb thaum nws ntws. … Cov neeg tsim khoom siv txoj kev tremie rau cov khoom uas tsis yog pob zeb, thiab rau kev lag luam uas tsis yog kev tsim kho.

Yuav ua li cas thiaj tsim nyog rau kev tsim kho hauv qab dej thiab kho cov pob zeb loj xws li dams thiab spillway?

txoj kev sib koom ua keyog qhov tsim nyog rau kev tsim kho hauv av thiab kho kev ua haujlwm ntawm cov pob zeb loj xws li dams, spillways thiab lwm yam.

Yuav ua li cas hom kev siv los tso pob zeb?

Qhov chaw ntawm cov pob zeb ua tiav nrog thoob, hoppers, phau ntawv lossis lub cav tsav tsheb, chutes thiab xa cov kav dej, siv conveyor, twj,tremies, thiab paving equipment. Cov pob zeb tseem tuaj yeem muab tso rau los ntawm cov txheej txheem txhaj tshuaj, uas cov txheej txheem siv pneumatically.

Pom zoo:

Nthuav cov khoom
Swiper los ntawm dora muaj pes tsawg xyoo?
Nyeem ntxiv

Swiper los ntawm dora muaj pes tsawg xyoo?

Nws yog ib tug 10 (9 rau thawj 50 ntu) xyoo laus tus txiv kab ntxwv hma liab uas nyiam los so dab tsi. Raws li nws lub npe qhia, Swiper nyiag lossis sim nyiag cov khoom tseem ceeb uas pab Dora ntawm nws txoj kev lom zem. Dora tus hluas nraug yog leej twg?

Kartilya ng katipunan nyob qhov twg hauv manila?
Nyeem ntxiv

Kartilya ng katipunan nyob qhov twg hauv manila?

Lub Tsev Teev Ntuj Bonifacio, tseem hu ua Kartilya ng Katipunan lossis Heroes Park, yog thaj chaw pej xeem thiab plaza hauv Ermita, Manila, Philippines nyob sab qaum teb ntawm Manila City Hall thiab sab qab teb ntawm Mehan Garden thiab Liwasang Bonifacio.

Morsing instrument yog dab tsi?
Nyeem ntxiv

Morsing instrument yog dab tsi?

A morsing yog ib qho cuab yeej zoo ib yam li cov neeg Yudais harp, feem ntau yog siv hauv Rajasthan, hauv Carnatic music ntawm South India, thiab hauv Sindh, Pakistan. Nws tuaj yeem raug cais raws li lamellophones, uas yog nyob rau hauv qeb ntawm plucked idiophones.