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Modeling of coal swelling induced by water vapor adsorption

Zhejun PAN

Frontiers of Chemical Science and Engineering 2012, Volume 6, Issue 1,   Pages 94-103 doi: 10.1007/s11705-011-1172-2

Abstract: Gas adsorption-induced coal swelling is a well-know phenomenon.Coal swelling or shrinkage by adsorption or desorption of water vapor has not been well understood butDecreased matrix moisture content leads to coal shrinkage and thus the change of cleat porosity and permeabilityin the coal micropores forms multilayer of adsorbed molecules.of moisture intake by the coal matrix.

Keywords： multilayer adsorption     vapour pressure     coal shrinkage     relative humidity     permeability    

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Hydration, microstructure and autogenous shrinkage behaviors of cement mortars by addition of superabsorbent

Beibei SUN, Hao WU, Weimin SONG, Zhe LI, Jia YU

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 5,   Pages 1274-1284 doi: 10.1007/s11709-020-0656-x

Abstract: present study systematically and quantitively investigated the effect of SAP on hydration, autogenous shrinkageInfluences of SAP on hydration heat and autogenous shrinkage were studied by utilizing TAM AIR technologyand a non-contact autogenous shrinkage test method.SAP can significantly mitigate the autogenous shrinkage when the content ranged from 0 to 0.5%.

Keywords： Superabsorbent Polymer     mechanical properties     hydration heat     autogenous shrinkage     microstructure    

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Energy absorption potential of concrete floors containing secondary (shrinkage and temperature) reinforcements

K. S. SIVAKUMARAN,R. M. KOROL,Xiao FAN

Frontiers of Structural and Civil Engineering 2014, Volume 8, Issue 3,   Pages 282-291 doi: 10.1007/s11709-014-0269-3

Abstract: floors, namely, normal density concrete and structural low-density concrete, containing secondary (shrinkage

Keywords： concrete floors     structural low-density concrete     shrinkage and temperature reinforcements     energy absorption    

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Effect of concrete creep and shrinkage on tall hybrid-structures and its countermeasures

Pusheng SHEN, Hui FANG, Xinhong XIA

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 2,   Pages 234-239 doi: 10.1007/s11709-009-0020-7

Abstract: Based on the concrete creep and shrinkage calculation formula in American Concrete Institute (ACI) code, with the assumption that loads are increased linearly in members, the creep and shrinkage effects of

Keywords： creep     shrinkage     construction process     hybrid-structure    

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Effects of microfine aggregate in manufactured sand on bleeding and plastic shrinkage cracking of concrete

Branavan ARULMOLY; Chaminda KONTHESINGHA; Anura NANAYAKKARA

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 11,   Pages 1453-1473 doi: 10.1007/s11709-022-0877-2

Abstract: specifically 0%, 3%, 6%, 9%, and 12% (by weight) as the partial replacements of MS on bleeding and plastic shrinkageThe bleeding test data were taken as on-site measurements, while the cracks from the plastic shrinkage

Keywords： manufactured sand     fresh concrete     microfines     admixtures     shrinkage     cracking    

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Direct Evidence of Coal Swelling and Shrinkage with Injecting CO2 and N2 Using Article

Guanglei Zhang, P.G. Ranjith, Herbert E. Huppert

Engineering 2022, Volume 18, Issue 11,   Pages 88-95 doi: 10.1016/j.eng.2022.03.010

Abstract:

Deep coal seams are one of the world’s most widespread depositsThe injection of CO2 into coal seams has great potential to sequester CO2 whileHowever, one of the main technical barriers in coal seams needs to be resolved: Injecting CO2 reduces coal permeability and well injectivity.emissions from coal mines.

Keywords： CCS     CO2     -ECBM     Carbon neutrality     X-ray imaging     Coal permeability    

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A comparative study of the mechanical properties, fracture behavior, creep, and shrinkage of chemically

Mahdi AREZOUMANDI, Mark EZZELL, Jeffery S VOLZ

Frontiers of Structural and Civil Engineering 2014, Volume 8, Issue 1,   Pages 36-45 doi: 10.1007/s11709-014-0243-0

Abstract: an experimental investigation that compares the mechanical properties, fracture behavior, creep, and shrinkageSCC and CC mixes had virtually identical tensile splitting strengths, flexural strengths, creep, and shrinkage

Keywords： conventional concrete (CC)     creep     fracture mechanic     mechanical Properties     self-consolidating concrete (SCC)     shrinkage    

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Contribution of CNTs/CNFs morphology to reduction of autogenous shrinkage of Portland cement paste

Feneuil BLANDINE, Karin HABERMEHI-CWIRZEN, Andrzej CWIRZEN

Frontiers of Structural and Civil Engineering 2017, Volume 11, Issue 2,   Pages 255-255 doi: 10.1007/s11709-017-0395-9

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Influence of recycled polyethylene terephthalate fibres on plastic shrinkage and mechanical properties

Necat ÖZAŞIK; Özgür EREN

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 6,   Pages 792-802 doi: 10.1007/s11709-022-0849-6

Abstract: Plastic shrinkage resistance and impact resistance tests were also performed according to related standards

Keywords： recycled PET     fibre-reinforced concrete     mechanical properties     plastic shrinkage     impact energy    

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Evaluation Method and Mitigation Strategies for Shrinkage Cracking of Modern Concrete Article

Jiaping Liu, Qian Tian, Yujiang Wang, Hua Li, Wen Xu

Engineering 2021, Volume 7, Issue 3,   Pages 348-357 doi: 10.1016/j.eng.2021.01.006

Abstract:

The complex compositions and large shrinkage of concrete, as well as the strong constraints of thestructures, often lead to prominent shrinkage cracking problems in modern concrete structures.model with the hydration degree of cementitious materials as the basic state parameter to estimate the shrinkageSecond, three new key technologies are illustrated: temperature rise inhibition, full-stage shrinkagecompensation, and shrinkage reduction technologies.

Keywords： Modern concrete     Shrinkage     Hydration degree     Mitigation strategies     Cracking risk    

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Feasibility of crack free reinforced concrete bridge deck from materials composition perspective: a state of the art review

Mahdi AREZOUMANDI

Frontiers of Structural and Civil Engineering 2015, Volume 9, Issue 1,   Pages 91-103 doi: 10.1007/s11709-015-0274-1

Abstract: Early age cracking on bridge deck has been the subject of many studies for years. Cracking is a major concern because it leads to premature deterioration of structures. Millions of dollars spent to repair the cracked bridge decks each year. To design an appropriate mixture for crack free bridge deck, it is important to study previous researches. This paper presents a comprehensive literature review of the performance of different materials compositions as well as methods have been used to reduce and control bridge deck cracks. Different material compositions and methods are discussed in terms of their performances as well as advantages and disadvantages.

Keywords： bridge deck     crack     fiber     shrinkage     shrinkage reducing admixture    

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Experimental evaluation and simulation of volumetric shrinkage and warpage on polymeric composite short

Jonnathan D. SANTOS,Jorge I. FAJARDO,Alvaro R. CUJI,Jaime A. GARCÍA,Luis E. GARZÓN,Luis M. LÓPEZ

Frontiers of Mechanical Engineering 2015, Volume 10, Issue 3,   Pages 287-293 doi: 10.1007/s11465-015-0346-x

Abstract: The shrinkage and warpage of high-density polyethylene reinforced with short natural fibers of GuaduaAutodesk Moldflow® and Solid Works® are employed to simulate both volumetric shrinkageof injected parts at different configurations: 0 wt.%, 20 wt.%, 30 wt.% and 40 wt.% reinforcing on shrinkageBecome evident the restrictive effect of reinforcing on the volumetric shrinkage and warpage of injectedThe results indicate that volumetric shrinkage of natural composite is reduced up to 58% with fiber increasing

Keywords： biocomposite     natural fiber     shrinkage     simulation     warpage    

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highly undersampled MR image reconstruction using patch-based constraint splitting augmented Lagrangian shrinkage

Min YUAN,Bing-xin YANG,Yi-de MA,Jiu-wen ZHANG,Fu-xiang LU,Tong-feng ZHANG

Frontiers of Information Technology & Electronic Engineering 2015, Volume 16, Issue 12,   Pages 1069-1087 doi: 10.1631/FITEE.1400423

Abstract: Corresponding to this brand-new sparsity model, we modify the constraint splitting augmented Lagrangian shrinkage

Keywords： UDCT)     Multi-scale dictionary learning (MSDL)     Patch-based constraint splitting augmented Lagrangian shrinkage    

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Status and Suggestion for Modern Coal Chemical Industry and Clean Coal Technology

Xie Kechang

Strategic Study of CAE 2003, Volume 5, Issue 6,   Pages 15-24

Abstract:

The important role of coal played in TPES was described, and the status of modern coal chemical industryand clean coal technologies was analyzed.on the scientific research experiences of the author, strategy and suggestion for the development of coalchemical industry and elcan coal technology in China were proposed.

Keywords： coal chemical industry     clean coal technology     strategy    

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Title Author Date Type Operation

Modeling of coal swelling induced by water vapor adsorption

Zhejun PAN

Journal Article

Hydration, microstructure and autogenous shrinkage behaviors of cement mortars by addition of superabsorbent

Beibei SUN, Hao WU, Weimin SONG, Zhe LI, Jia YU

Journal Article

Energy absorption potential of concrete floors containing secondary (shrinkage and temperature) reinforcements

K. S. SIVAKUMARAN,R. M. KOROL,Xiao FAN

Journal Article

Effect of concrete creep and shrinkage on tall hybrid-structures and its countermeasures

Pusheng SHEN, Hui FANG, Xinhong XIA

Journal Article

Effects of microfine aggregate in manufactured sand on bleeding and plastic shrinkage cracking of concrete

Branavan ARULMOLY; Chaminda KONTHESINGHA; Anura NANAYAKKARA

Journal Article

Direct Evidence of Coal Swelling and Shrinkage with Injecting CO2 and N2 Using

Guanglei Zhang, P.G. Ranjith, Herbert E. Huppert

Journal Article

A comparative study of the mechanical properties, fracture behavior, creep, and shrinkage of chemically

Mahdi AREZOUMANDI, Mark EZZELL, Jeffery S VOLZ

Journal Article

Contribution of CNTs/CNFs morphology to reduction of autogenous shrinkage of Portland cement paste

Feneuil BLANDINE, Karin HABERMEHI-CWIRZEN, Andrzej CWIRZEN

Journal Article

Influence of recycled polyethylene terephthalate fibres on plastic shrinkage and mechanical properties

Necat ÖZAŞIK; Özgür EREN

Journal Article

Evaluation Method and Mitigation Strategies for Shrinkage Cracking of Modern Concrete

Jiaping Liu, Qian Tian, Yujiang Wang, Hua Li, Wen Xu

Journal Article

Feasibility of crack free reinforced concrete bridge deck from materials composition perspective: a state of the art review

Mahdi AREZOUMANDI

Journal Article

Experimental evaluation and simulation of volumetric shrinkage and warpage on polymeric composite short

Jonnathan D. SANTOS,Jorge I. FAJARDO,Alvaro R. CUJI,Jaime A. GARCÍA,Luis E. GARZÓN,Luis M. LÓPEZ

Journal Article

Innovative approach of low carbon and efficient utilization of coal resources: The polygeneration systemof a combination of the gasified coal gas and the pyrolyzed coal gas to form the synthetic gas

Kechang XIE, Fan LI

Journal Article

highly undersampled MR image reconstruction using patch-based constraint splitting augmented Lagrangian shrinkage

Min YUAN,Bing-xin YANG,Yi-de MA,Jiu-wen ZHANG,Fu-xiang LU,Tong-feng ZHANG

Journal Article

Status and Suggestion for Modern Coal Chemical Industry and Clean Coal Technology

Xie Kechang

Journal Article