ArticleMaterials (Basel, Switzerland)2020
Experimental Study on the Permeability of SAP Modified Concrete.
Article in Materials (Basel, Switzerland), 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed.
- Effect of internal curing by super-absorbent polymer on hydration of hydrophobic cement-based material.Scientific reports · 2025Article
- Frost Resistance and Microscopic Properties of Recycled Coarse Aggregate Concrete Containing Chemical Admixtures.Materials (Basel, Switzerland) · 2024Article
- Two-Dimensional Microstructure-Based Model for Evaluating the Permeability Coefficient of Heterogeneous Construction Materials.Materials (Basel, Switzerland) · 2023Article
- Porosity of a Fast-Setting Mortar with Crystallization Admixture and Effect of a SA-PA Modification.Materials (Basel, Switzerland) · 2022Article
- Article
- Effect of Internal Pores Formed by a Superabsorbent Polymer on Durability and Drying Shrinkage of Concrete Specimens.Materials (Basel, Switzerland) · 2021Article
- The Characteristics of Swelling Pressure for Superabsorbent Polymer and Soil Mixtures.Materials (Basel, Switzerland) · 2020Article
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Authors and funding
4 authors.
Funding
Abstract
To study the permeability of superabsorbent polymer (SAP) modified concrete and the effect of internal pore characteristics on the permeability of concrete specimens, the results of the water penetration under pressure test, the mercury intrusion porosimetry (MIP) test, and scanning electron microscopy (SEM) of SAP concrete were obtained and analyzed. The research shows that the addition of an appropriate amount of SAP can effectively improve the anti-permeability performance of concrete. After adding 0.2~0.6% SAP of cement quality to concrete, the penetration height value was reduced by 35~45%, the porosity was increased by 21-95%, and the tortuosity is increased by 14-15%, and all indicators show regular changes with the increase in SAP usage. Adding SAP to concrete changes the internal connection state of concrete, thereby further improving its impermeability by reducing the capillary pressure and changing the shape of the pores. The liquid permeation resistance is increased by the "threshold effect" inside concrete; this "threshold effect" is caused by the addition of SAP.
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