pob zeb thauj tog rau nkoj
Sep 16, 2021| Noonewhoinstallsrockanchorsshouldbelegitallyregardedasan “kws tshaj lij &”;: thesubjectanditsproblemsarenotfinite.
Hloov pauv, txhua tus neeg uas tau teeb tsa lub qhov rooj zoo li yuav tsum yog&"tus kws tshaj lij &";: muaj ntau qhov zoo tshaj plaws ntawm cov khoom siv hauv tsev siv lub tshuab ua haujlwm zoo tshaj plaws hauv lub tsev lag luam khoom lag luam.
Ib yam li ntawd, muaj qhov muaj peev xwm ua tau zoo tshaj plaws hauv kev lag luam muaj txiaj ntsig zoo kev paub dhau los hauv kev cog lus cog tseg hauv kev tsim qauv-tsim kho.
Tsis ntev los no ua haujlwm tau zoo tshaj plaws hauv lub xeev muaj tus yam ntxwv ntawm tus kheej ib leeg mus txog 200feetlong, qhov hnyav tshaj 5tons, thiab muaj ntau yam kev xav tau uas muaj peev xwm ntawm 3100kips.
Kev tsim kho
1.Qhov ceev tshaj, pheej yig tshaj, thiab ncaj ncees tshaj plaws qhov kev xav tau uas tsis siv zog ua kom zoo dua qub
2.Contrarytoromanticspeculation, daim ntawv thov ntawm qhov no compressedairdriventooldoesnotblowchunksoffthefaceofdams, txawm tias yog qhov tseeb hauv qab 12inches.
3.Itisunreasonabletoexpectdrillholes-especiallyifinclined.tobestaighterthan1in100, thiab tom qab ntawd tsuas yog ua tau zoo tshaj plaws txhua qhov kev siv dag zog siv.
4.WatertestsonboreholesshouldbeexpressedinLugeons, andformostininformationshouldberunbytheHoulsbymethod.
5.Tendonsshouldbehandledhandwith careandloweredbymechanicalmeansintotheirrespectiveboreholes.Hik helicopterslookgreatbuttheyareverywhere.
6.Exceptincasesinvolvingextremeheat, orverylongpumpingdistances-andassumingacolloidalmixerisused-thereisnocalltouseadmix-turesforanchorgrouts.Watercementratiosintherangeof0.4-0.45 (byweight) willguaranteeaccept-ablefluidandsetpropertiesfolders