Construction and Building Materials

, volume 200 , pages 36-45

Activated chemicals of cementitious capillary crystalline waterproofing materials and their self-healing behaviour

Guangyan Li ¹

Xiao-Feng Huang ¹

James T. Lin ²

Xiang Jiang ¹

Xinya Zhang ¹

Hide authors affiliations Show authors affiliations: 2 affiliations

School of Chemistry and Chemical Engineering,South China University of Technology,Guangzhou 510641,China) |

Guangdong Carpoly Greenway Technology Materials Co. Ltd., Jiangmen 529085, Guangdong, China |

Publication type: Journal Article

Publication date: 2019-03-01

Elsevier

Construction and Building Materials

scimago Q1

wos Q1

SJR: 2.094

CiteScore: 13.9

Impact factor: 8.0

ISSN: 09500618, 18790526

DOI: 10.1016/j.conbuildmat.2018.12.093

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General Materials Science

Building and Construction

Civil and Structural Engineering

Abstract

Activated chemicals play a key role in the waterproof performance of cementitious capillary crystalline waterproofing materials (CCCW). We proposed sodium carbonate, sodium silicate, sodium aluminate, tetrasodium EDTA and glycine as activated chemicals of CCCW. The proportion of activated chemicals of CCCW was optimized by two key parameters evaluation of the second permeability ratio and pre-pressure self-healing rate for their self-healing ability of CCCW. Results show that sodium silicate has the most significant impact on the self-healing ability of CCCW. In the self-healing progress of CCCW, the consumption of Ca(OH)2 (CH) and the production of Calcium Silicate Hydrate (CSH) gel, calcium carbonate and ettringite were observed through XRD and SEM analysis. The white crystals with an average diameter of 0.2 mm are produced on both sides of cracks, and consequently the cracks were healed by the accumulation of crystals. The self-healing mechanism of CCCW was proposed based on the self-healing experimental results.

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GOST |

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GOST Copy

Li G. et al. Activated chemicals of cementitious capillary crystalline waterproofing materials and their self-healing behaviour // Construction and Building Materials. 2019. Vol. 200. pp. 36-45.

GOST all authors (up to 50) Copy

Li G., Huang X., Lin J. T., Jiang X., Zhang X. Activated chemicals of cementitious capillary crystalline waterproofing materials and their self-healing behaviour // Construction and Building Materials. 2019. Vol. 200. pp. 36-45.

RIS |

Cite this

RIS Copy

TY - JOUR

DO - 10.1016/j.conbuildmat.2018.12.093

UR - https://doi.org/10.1016/j.conbuildmat.2018.12.093

TI - Activated chemicals of cementitious capillary crystalline waterproofing materials and their self-healing behaviour

T2 - Construction and Building Materials

AU - Li, Guangyan

AU - Huang, Xiao-Feng

AU - Lin, James T.

AU - Jiang, Xiang

AU - Zhang, Xinya

PY - 2019

DA - 2019/03/01

PB - Elsevier

SP - 36-45

VL - 200

SN - 0950-0618

SN - 1879-0526

ER -

BibTex

Cite this

BibTex (up to 50 authors) Copy

@article{2019_Li,

author = {Guangyan Li and Xiao-Feng Huang and James T. Lin and Xiang Jiang and Xinya Zhang},

title = {Activated chemicals of cementitious capillary crystalline waterproofing materials and their self-healing behaviour},

journal = {Construction and Building Materials},

year = {2019},

volume = {200},

publisher = {Elsevier},

month = {mar},

url = {https://doi.org/10.1016/j.conbuildmat.2018.12.093},

pages = {36--45},

doi = {10.1016/j.conbuildmat.2018.12.093}

}

Publisher

Elsevier

Journal

Construction and Building Materials

scimago Q1

wos Q1

SJR

2.094

CiteScore

13.9

Impact factor

8.0

ISSN

09500618 (Print)

18790526