Microstructural formation of gypsum by setting in the presence of hydroxypropyl methylcellulose (HPMC)

Mucha, Maria; Mróz, Partycja; Wrona, Dominika; Konca, Piotr; Marszałek, Joanna

doi:10.1007/s10973-020-10398-3

Cited by 7 publications

(2 citation statements)

References 20 publications

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“…During the hydration of calcium sulfate hemihydrate, calcium sulfate dihydrate (gypsum plaster) is formed. Three steps can be distinguished in the hydration reaction of calcium sulfate hemihydrate: the dissolution of hemihydrate yielding a partially saturated gypsum solution, the nucleation and growth of gypsum crystals, and the final formation of solid material through the entanglement of gypsum needle-like crystals (Mucha et al, 2020).…”

Section: Methodsmentioning

confidence: 99%

Proceedings of the 27th Conference on Computer Aided Architectural Design Research in Asia (CAADRIA) [Volume 2]

2022

CAADRIA Proceedings

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This paper discusses the design and development of scale masonry structures using robot arms, computer vision hardware and bespoke computational workflows. In parallel to the development of full-scale masonry solutions using a Cable Driven Parallel Robot (CDPR), a faster method for testing large numbers of brick elements is needed to verify buildability, mitigate collisions, and think differently about recycled materials during real-world construction activities. Additionally, by incorporating scanning and analysis technology, materials can be digitized, and their attributes translated into variables for placement within an intended structure.

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Section: Methodsmentioning

confidence: 99%

Proceedings of the 27th Conference on Computer Aided Architectural Design Research in Asia (CAADRIA) [Volume 2]

2022

CAADRIA Proceedings

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Section: Methodsmentioning

confidence: 99%

Extrusion-Based 3d Printing for Recyclable Gypsum

Gong¹,

Zhou²,

Zheng³

et al. 2022

CAADRIA Proceedings

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Gypsum is one of the most commonly used construction materials in cladding and non-load-bearing decoration. Recently, 3D printing technology has been involved in creating complex geometry. The particle-based method is the principal approach in 3D gypsum printing. However, the complex device and limited printable range limit the massive production of large-scale building components. This paper proposed a novel extrusion-based gypsum printing method and corresponding robotic fabrication workflow. First, several experiments are conducted to analyze the effect of different admixtures (retarder, activation agent, and accelerator) on the material setting properties. Second, a set-on-demand gypsum-based material is proposed by actively controlling multiple admixtures. Then, a process parameterbased robotic fabrication workflow is proposed, and a set of extrusionbased 3D gypsum printing equipment is built. A curved gypsum panel sample is printed as experimental verification. By comparing to the particle-based method, The test sample shows that the extrusion-based method can effectively improve the production efficiency and reduce the production cost. Therefore, the proposed method gives a relatively efficient and cost-effective way to produce recyclable gypsum material massively.

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A novel approach for improving the water resistance of gypsum plaster by internal mixing hypromellose and external coating waterproofing agent

Wang

Cao

et al. 2023

Construction and Building Materials

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Microstructural formation of gypsum by setting in the presence of hydroxypropyl methylcellulose (HPMC)

Cited by 7 publications

References 20 publications

Proceedings of the 27th Conference on Computer Aided Architectural Design Research in Asia (CAADRIA) [Volume 2]

Proceedings of the 27th Conference on Computer Aided Architectural Design Research in Asia (CAADRIA) [Volume 2]

Extrusion-Based 3d Printing for Recyclable Gypsum

A novel approach for improving the water resistance of gypsum plaster by internal mixing hypromellose and external coating waterproofing agent

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