Cov txheej txheem:

Qhov dej lim dej yog dab tsi?
Qhov dej lim dej yog dab tsi?

Video: Qhov dej lim dej yog dab tsi?

Video: Qhov dej lim dej yog dab tsi?
Video: da dej nawb yog họ raug leej twg saib lo saib lwm zab nawb mog 2024, Kaum ib hlis
Anonim

A point zoo yog tsim los ntawm kev siv lub taub me me thiab tsav nws mus rau hauv av. Feem ntau, cov ntaub ntawv mos zoo li gravel thiab xuab zeb. A lim yog muab tso rau hauv qab kom txo tau tej yam xws li xuab zeb uas yuav sim thiab nkag mus.

Tom qab ntawd, ib tug kuj yuav nug, lub qhov dej puas muaj cov lim dej?

Muaj zoo dej lim uas tuaj yeem ntxuav thiab tua cov dej, tab sis muaj teeb meem dej xav tau txhawm rau txheeb xyuas los ntawm kev kuaj dej kom paub meej qhov tseeb zoo dej lim qhov system.

Tsis tas li ntawd, dab tsi yog qhov point dewatering? Wellpoint Dewatering yog ib txoj hauv kev yooj yim tab sis ua tau zoo ntawm kev txo cov rooj dej hauv kev khawb. A lub qhov dej dewatering lub kaw lus muaj ib tug series ntawm qhov dej ntiav, hu ua wellpoints, uas yog ntsia rau ntawm ib tug pre-txiav txim siab qhov tob thiab tsim nyog qhov chaw nyob ib ncig ntawm ib tug excavation.

Kuj Paub, dab tsi yog qhov zoo?

A zoopoint , tseem hu ua tsav taw tes , yog ib txoj kab uas hla me me zoo siv rau dewatering. Nws muaj ib tug ntiav ncej, ib tug dewatering twj tso kua mis los kos dej, ib tug riser yeeb nkab uas txuas cov zoopoint mus rau saum npoo, thiab me me ' zoo ' uas puv.

Dab tsi yog hom qhov dej?

Muaj peb hom qhov dej haus ntiag tug

  • Dug/bored qhov dej yog qhov hauv av khawb los ntawm shovel lossis backhoe.
  • Cov qhov dej uas tau tsav yog tsim los ntawm kev tsav cov yeeb nkab rau hauv av.
  • Drilled qhov dej yog tsim los ntawm percussion los yog teb-drilling tshuab.

Pom zoo: