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Join Us at the 137th Canton Fair!

Join Us at the 137th Canton Fair!

Amity care take roll stacker and turner to booth , if you interesting it,visit us at booth 19.2J24 from April 15-19,2025.

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2025

A brief discussion on the test method of concrete impermeability

A brief discussion on the test method of concrete impermeability

According to the measurement of the medium flowing through the sample, the pressure inside the container is changed, the pressure difference between the two ends of the sample is maintained, and the amount of the medium flowing through the predetermined time is measured to determine the impermeability of the concrete test piece.

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2024

Why choose high speed without using a concrete pavement with better stability?

Why choose high speed without using a concrete pavement with better stability?

Nowadayspeople'squalityoflifeisgettinghigherandhigher,andcarshavebecomeanindispensablemeansoftransportation.Almosteveryfamilyoffourwillhaveacar.However,whenwedriveout,weshouldnotcareabouthowfastthecarcandrive,buthowtodriveitsafer.Inadditiontochoosingbetterqualitytires,pavementmaterialscanhaveamajorimpactonourdrivingsafety. Atpresent,themorecommonroadsurfaceinChinaisasphaltpavementandconcretepavement,whichisfamiliartoeveryone.However,conventionally,reinforcedconcretepavementshavemuchhigherdurabilityanddurabilitythanasphaltpavements.Whynotuseasphaltpavementsinsteadofhighspeed? Infact,intheearlydaysofChina,asphaltpavementwasnotverycommon,mainlybasedonconcretepavement.Untillater,itwasfoundthatasphaltpavementhadbetterroadperformance,betterductility,flexibilityandplasticity,anditwasgraduallypromoted..Whenitcomestoroadflexibility,thisisstillveryimportant.Becauseontheroad,inadditiontosmallvehiclesforhomeuse,largeandheavytransportvehiclescanoftenbeseen.Althoughtheconcretepavementisveryrigid,ithasnotoughnessandispronetobreakage. Anotherpointistheconstructionandmaintenanceofconcretepavement.Asweallknow,duetoitscharacteristics,afterfillingconcrete,inordertoensurethequalityoftheroadsurface,itneedstowaitforittocompletelysolidifybeforeitcanbeopenedtotraffic.Thistimewillgenerallyexceed20days.Theremustbenodisturbanceduringthisperiodtoensurecontinuedandgoodmaintenance.Intermsofmaintenance,sincetheconcretestructuresaregenerallydesignedtobepiecebypiece,ifdamageoccurs,thewholeconcreteslabshouldbeexcavatedandreconstructedasawhole,andtheconstructionistroublesome. Moreover,inordertoensurethatthereisnogreatinfluenceonthethermalexpansionandcontraction,thegapbetweentheconcreteslabsisrelativelylarge,whichalsocausesustogenerateverylargenoiseduringthedrivingprocess.Becausetheconcreteroadsurfaceishard,whenthevehiclespeedexceeds80km/h,thecarnoisewillbeveryobvious.Althoughthecarisgenerallysoundproof,thetimeisstilluncomfortableontheroadwithageneralspeedof120orso.

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2024

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Taizhou Amity Care International Co., Ltd.

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Oversea market: Ms Hele.Han +86-15370732999

Domestic market: Mr.wang +86-15301436699

+86-523-86608111

amity@amitycare.cn

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