Hnub Tim: 19, Dec, 2022

Superplasticizers Yuav txo cov dej uas siv rau pob zeb ua kom sib xyaw los ntawm tsawg kawg 10%, lossis nce ntxiv tus nqi txaus ntawm cov pob zeb. Rau pob zeb ua haujlwm 3 hnub, lub zog ntawm 砼 C30 tuaj yeem nce ntxiv los ntawm 69 MPa, thiab cov ua kom muaj zog ntawm 28 hnub yog nce mus rau tsawg kawg 87 mpa. Feem ntau sivSuperplasticizerstsuas yog polyalkyl aryl sulfonates thiab melamine dej txo tus neeg sawv cev.

Qhov cuam tshuam ntawmSuperplasticizers ntawm kev ua vaj tse ua tau yog raws li hauv qab no:

1. Nyob rau hauv cov nqe lus ntawm cov yam ntxwv ntawm cov khoom ua ke tshiab. Rau cov dej txo cov nyhuv ntawm SuperPlasticizer, cov molecular loj thiab cov qauv kev coj ua ntawm cov dej txo tus neeg sawv cev siv yuav tsum tau ua. Cov nyhuv cua los ntshav ntawm cov dej txo tus neeg sawv cev muaj kev cuam tshuam los ntawm cov kev daws teeb meem ntawm cov aqueous. Qhov ntau dua ntawm cov nro tseem ceeb yog txo qis, qhov pom tseeb ntau cov txiaj ntsig huab cua los ntshav. Nyob rau hauv cov nqe lus ntawm cov chaw teeb tsa sij hawm, naphthalene thiab metamine tuaj yeem ua cov pob zeb ua coagulation lub sijhawm qeeb qeeb qeeb. Txawm hais tias tus superplasticizer tsis yoog rau cov cai sib txawv, kev siv ntawmSuperplasticizers tuaj yeem txo qhov cais tawm thiab los ntshav phenomena. Qhov slump ntawm cov pob zeb ua tau txhim kho los ntawm kev ntxiv ntawm Superplasticer. Qhov tshwj xeeb slumping lub sijhawm thiab qhov sib tw tau txiav txim siab tshwj xeeb los ntawm cov tsis xws li hom thiab tus nqi ntawm cov dej txo tus neeg sawv cev siv.

2. Cov nyhuv ntawm cov khoom tawv tawv ntawm cov pob zeb. CAs teeb tsa ib lub superplasticizer tuaj yeem txhim kho cov degree ntawm kev ua dej. Lub pob zeb ua ke compression thiab khoov tau muaj zog.Superplasticizers Kuj tseem txo cov tshuaj kom xis mas los ntawm kev hloov pauv cov nqi shrinkage ntawm cov pob zeb. Txawm li cas los xij, qhov kev hloov pauv ntawm telescopic tus nqi feem ntau tsis tshaj tus nqi ntawm 1x10-4.

3. Qhov cuam tshuam rau lub durability ntawm qhob. Lub siab-efficiency tus neeg sawv cev kom zoo

Txhim kho cov anti-khov thiab tiv thaiv cov khoom ntawm cov qhob vim yog cov dej txo qis thiab cov nyom ntawm cov huab cua los ntshav. Thiab cov pa dej siab ua tau zoo tuaj yeem txhim kho lub peev xwm ntawm cov pob zeb ua kom tsis kam sulfuric acid corrosion. Cov kev sim tau pom tias qhov tsis kam pom tias cov sulphuric acid corrosion ntawm SuperPlasticizer tsis phem tshaj li ntawm pob zeb dawb paug.

4. Cov tshuaj tiv thaiv corrosion tiv thaiv kev tiv thaiv cov kab hlau hlau. Qhob nrog cov dej ntws siab loj tuaj yeem sib txuas nrog cov hlau nplaum zoo nrog cov pob zeb ncaj-slide los txhim kho ntawm 1.2MPA rau 8.5MPA. Cov nplaum ntawm Bent Steel rau cov pob zeb ua tiav 7D tuaj yeem nce los ntawm 15MPA rau 27.5MPA. Tus SuperPlasticizer tuaj yeem pab tiv thaiv tus hlau hauv cov pob zeb.