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Development of Self-Healing Sustainable Concrete Using Recycled Materials.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Development of Self-Healing Sustainable Concrete Using Recycled Materials./
作者:	Jianing, Sun.
面頁冊數:	1 online resource (195 pages)
附註:	Source: Dissertations Abstracts International, Volume: 84-04, Section: B.
Contained By:	Dissertations Abstracts International84-04B.
標題:	Mechanical properties. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=29352754click for full text (PQDT)
ISBN:	9798352683262

Development of Self-Healing Sustainable Concrete Using Recycled Materials.
Jianing, Sun.

Development of Self-Healing Sustainable Concrete Using Recycled Materials. - 1 online resource (195 pages)

Source: Dissertations Abstracts International, Volume: 84-04, Section: B.

Thesis (M.E.)--National University of Singapore (Singapore), 2022.

Includes bibliographical references

Concrete is an open composite system, which allows the incorporation of various cementitious or inert materials as cement or aggregate components, thereby offering the possibility of creating a smart concrete. This study investigated the autogenous healing of concrete blended with ground granulated blast furnace slag (GGBS) and polyvinyl alcohol (PVA) fiber in terms of flexural strength recovery and crack sealing behavior. 50% GGBS-blended concrete was found to have good autogenous healing ability and the addition of PVA fibers indirectly further increases the effectiveness of autogenous healing in concrete. The hydration of cement paste was investigated for its relationship with autogenous healing using isothermal calorimetry, X-ray diffraction (XRD), and thermogravimetric analysis (TGA). It was found that the exterior of GGBS-blended concrete was prone to carbonation which affects its autogenous ability. The hydration rate and ultimate degree of hydration of GGBS-blended concrete were lower than those of pure Portland cement concrete, suggesting that the use of GGBS provides a greater potential for autogenous healing both in the short and long term. This study is looking forward to the development of concrete that not only has the ability of self-healing, but is also good durability, lower heat development, environmentally friendly, and can be used in industry in a short time.

Electronic reproduction.
Ann Arbor, Mich. :
ProQuest,
2023

Mode of access: World Wide Web

ISBN: 9798352683262Subjects--Topical Terms:

3549505
Mechanical properties.
Index Terms--Genre/Form:

542853
Electronic books.

Development of Self-Healing Sustainable Concrete Using Recycled Materials.
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245 1 0 $a Development of Self-Healing Sustainable Concrete Using Recycled Materials.
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500 $a Source: Dissertations Abstracts International, Volume: 84-04, Section: B.
500 $a Advisor: Hau, Kong Kian.
502 $a Thesis (M.E.)--National University of Singapore (Singapore), 2022.
504 $a Includes bibliographical references
520 $a Concrete is an open composite system, which allows the incorporation of various cementitious or inert materials as cement or aggregate components, thereby offering the possibility of creating a smart concrete. This study investigated the autogenous healing of concrete blended with ground granulated blast furnace slag (GGBS) and polyvinyl alcohol (PVA) fiber in terms of flexural strength recovery and crack sealing behavior. 50% GGBS-blended concrete was found to have good autogenous healing ability and the addition of PVA fibers indirectly further increases the effectiveness of autogenous healing in concrete. The hydration of cement paste was investigated for its relationship with autogenous healing using isothermal calorimetry, X-ray diffraction (XRD), and thermogravimetric analysis (TGA). It was found that the exterior of GGBS-blended concrete was prone to carbonation which affects its autogenous ability. The hydration rate and ultimate degree of hydration of GGBS-blended concrete were lower than those of pure Portland cement concrete, suggesting that the use of GGBS provides a greater potential for autogenous healing both in the short and long term. This study is looking forward to the development of concrete that not only has the ability of self-healing, but is also good durability, lower heat development, environmentally friendly, and can be used in industry in a short time.
533 $a Electronic reproduction. $b Ann Arbor, Mich. : $c ProQuest, $d 2023
538 $a Mode of access: World Wide Web
650 4 $a Mechanical properties. $3 3549505
650 4 $a By products. $3 3564729
650 4 $a Cement hydration. $3 3695147
650 4 $a Age. $3 1486010
650 4 $a Concrete. $3 666349
650 4 $a Permeability. $3 915594
650 4 $a Chemical reactions. $3 519248
650 4 $a Thermogravimetric analysis. $3 3681837
650 4 $a Sustainability. $3 1029978
650 4 $a Bacteria. $3 550366
650 4 $a Design. $3 518875
650 4 $a Silica. $3 587794
650 4 $a Polyvinyl alcohol. $3 3488985
650 4 $a Cracks. $3 3686873
650 4 $a Curing. $3 3681399
650 4 $a Mechanics. $3 525881
650 4 $a Physics. $3 516296
650 4 $a Polymer chemistry. $3 3173488
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710 2 $a National University of Singapore (Singapore). $3 3352228
773 0 $t Dissertations Abstracts International $g 84-04B.
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