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Influence of construction-induced damage on the degradation of freeze–thawed lightweight cellular concrete

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 3,   Pages 781-792 doi: 10.1007/s11709-021-0733-9

Abstract: During the construction of lightweight cellular concrete (LCC), material damage frequently occurs, causing

Keywords： lightweight cellular concrete     construction-induced damage     freeze-thaw action     microstructure     degradation    

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Quality evaluation of lightweight cellular concrete by an ultrasound-based method

Xin LIU; Dongning SUN; Jinhe LIAO; Zhiwei SHAO; Yunqiang SHI; Siqing ZHANG; Yunlong YAO; Baoning HONG

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 9,   Pages 1170-1182 doi: 10.1007/s11709-022-0874-5

Abstract: Since there is little research work devoted to testing lightweight cellular concrete (LCC) by an ultrasound-based

Keywords： lightweight cellular concrete     subgrade     ultrasound testing     quality evaluation     crack discrimination    

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Flexural and longitudinal shear performance of precast lightweight steel–ultra-high performance concrete

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 5,   Pages 704-721 doi: 10.1007/s11709-023-0941-6

Abstract: In this study, the flexural and longitudinal shear performances of two types of precast lightweight steel–ultra-highperformance concrete (UHPC) composite beams are investigated, where a cluster UHPC slab (CUS) and a

Keywords： precast steel–UHPC composite beam     flexural performance     longitudinal shear performance     parametric study     transverse reinforcement ratio    

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Precast steel–UHPC lightweight composite bridge for accelerated bridge construction

Shuwen DENG, Xudong SHAO, Xudong ZHAO, Yang WANG, Yan WANG

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 2,   Pages 364-377 doi: 10.1007/s11709-021-0702-3

Abstract: In this study, a fully precast steel–ultrahigh performance concrete (UHPC) lightweight composite bridge

Keywords： accelerated bridge construction     ultrahigh-performance concrete     steel–UHPC composite bridge     UHPC girder-to-girder    

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Analysis and design of steel-concrete composite sandwich systems subjected to extreme loads

Kazi Md Abu SOHEL, Jat Yuen Richard LIEW, Min Hong ZHANG

Frontiers of Structural and Civil Engineering 2011, Volume 5, Issue 3,   Pages 278-293 doi: 10.1007/s11709-011-0120-z

Abstract: (SCS) sandwich structural members comprising a lightweight concrete core with density ranged from 1300The performance of lightweight sandwich members is also compared with similar members with normal weightconcrete core and ultra high strength concrete core ( = 180 MPa).Novel J-hook shear connectors were invented to prevent the separation of face plates from the concretecore under extreme loads and their uses are not restricted by the concrete core thickness.

Keywords： blast load     composite structure     impact load     lightweight concrete     sandwich plate     J-hook connector    

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Microcellular injection molding process for producing lightweight thermoplastic polyurethane with customizable

Thomas ELLINGHAM, Hrishikesh KHARBAS, Mihai MANITIU, Guenter SCHOLZ, Lih-Sheng TURNG

Frontiers of Mechanical Engineering 2018, Volume 13, Issue 1,   Pages 96-106 doi: 10.1007/s11465-018-0498-6

Abstract: an “out-of-mold” expansion was developed to manufacture thermoplastic polyurethane into lightweight

Keywords： thermoplastic polyurethane     microcellular injection molding     cavity expansion     compressive strength     hysteresis loss ratio    

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Regulation of T cell immunity by cellular metabolism

Zhilin Hu, Qiang Zou, Bing Su

Frontiers of Medicine 2018, Volume 12, Issue 4,   Pages 463-472 doi: 10.1007/s11684-018-0668-2

Abstract:

T cells are an important adaptive immune response arm that mediates cell-mediated immunity. T cell metabolism plays a central role in T cell activation, proliferation, differentiation, and effector function. Specific metabolic programs are tightly controlled to mediate T cell immune responses, and alterations in T cell metabolism may result in many immunological disorders. In this review, we will summarize the main T cell metabolic pathways and the important factors participating in T cell metabolic programming during T cell homeostasis, differentiation, and function.

Keywords： T cell immunity     metabolic pathways     nutrient uptake     metabolic checkpoints    

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A lightweight authentication scheme with user untraceability

Kuo-Hui YEH

Frontiers of Information Technology & Electronic Engineering 2015, Volume 16, Issue 4,   Pages 259-271 doi: 10.1631/FITEE.1400232

Abstract: With the rapid growth of electronic commerce and associated demands on variants of Internet based applications, application systems providing network resources and business services are in high demand around the world. To guarantee robust security and computational efficiency for service retrieval, a variety of authentication schemes have been proposed. However, most of these schemes have been found to be lacking when subject to a formal security analysis. Recently, Chang (2014) introduced a formally provable secure authentication protocol with the property of user-untraceability. Unfortunately, based on our analysis, the proposed scheme fails to provide the property of user-untraceability as claimed, and is insecure against user impersonation attack, server counterfeit attack, and man-in-the-middle attack. In this paper, we demonstrate the details of these malicious attacks. A security enhanced authentication scheme is proposed to eliminate all identified weaknesses.

Keywords： Authentication     Privacy     Security     Smart card     Untraceability    

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Parametric sensitivity analysis of cellular diaphragm wall

Xi CHEN, Wei XU

Frontiers of Structural and Civil Engineering 2012, Volume 6, Issue 4,   Pages 358-364 doi: 10.1007/s11709-012-0177-3

Abstract: The deformation law of the cellular diaphragm wall in deep foundation pits was studied through numericalInteraction between the cellular diaphragm wall and the soil was also taken into account in the calculationThe centrifuge model test was carried out to study the deformation regulation for a cellular diaphragmIn the end, a suggestion was proposed to optimize the cellular diaphragm by adjusting the length of the

Keywords： cellular diaphragm wall     sensitivity analysis     optimization     centrifuge model test    

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Temperature and structural responses of a single-section utility tunnel throughout fire exposure

Yanmin YANG; Ying XIONG; Yongqing LI; Xiangkun MENG; Peng WANG; Tianyuan CAI

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 10,   Pages 1351-1364 doi: 10.1007/s11709-022-0857-6

Abstract: construction methods, cast-in-situ and prefabricated, and of two different materials, ordinary concreteand full lightweight concrete, were explored.the prefabricated utility tunnel occurred at the junction of the prefabricated member and post-cast concreteThe bearing capacities of the ordinary concrete utility tunnel and full lightweight concrete utilityThe full lightweight concrete utility tunnel exhibited good ductility and fire resistance and high collapse

Keywords： full lightweight concrete     construction methods     temperature response     structural response     fire test    

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Liver cell therapies: cellular sources and grafting strategies

Frontiers of Medicine 2023, Volume 17, Issue 3,   Pages 432-457 doi: 10.1007/s11684-023-1002-1

Abstract: The liver has a complex cellular composition and a remarkable regenerative capacity.recent years, with the rapid development of genetic sequencing technologies, research on the liver’s cellularThis review will focus on the cellular mechanisms of liver homeostasis and how to select ideal sources

Keywords： liver regeneration     hepatocytes     cholangiocytes     stem cells     organoids     regulatory mechanisms     transplantation/grafting strategies    

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Optimization of Land-use Based on the Theory of Cellular Automata and Value of Ecosystem Services

Lian-fu Jiang,Guo-xian Xu,Hao Jiang

Frontiers of Engineering Management 2014, Volume 1, Issue 4,   Pages 395-401 doi: 10.15302/J-FEM-2014058

Abstract: target city was simulated using Arc GIS and Geo SOS software basing on multi-criteria decision model of Cellular

Keywords： Ecosystem service function     optimization of land use     Cellular Automata (CA)    

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A novel approach to preparing ultra-lightweight ceramsite with a large amount of fly ash

Sen Liu, Congren Yang, Wei Liu, Longsheng Yi, Wenqing Qin

Frontiers of Environmental Science & Engineering 2020, Volume 14, Issue 4, doi: 10.1007/s11783-020-1241-1

Abstract: •Ultra-lightweight ceramsite is prepared with 80% fly ash.•The bulk density of ultra-lightweight ceramsite is only 340 kg/m3.A novel processing method for preparing ultra-lightweight ceramsite with fly ash was developed.The results show that the optimal parameters for preparation of ultra-lightweight ceramsite are as followsperformance, and its strength is generally low, so it is usually used in the production of thermal insulation concrete

Keywords： Fly ash     Ultra-lightweight ceramsite     Expansion mechanism     Sintering process    

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Lightweight design of an electric bus body structure with analytical target cascading

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 1, doi: 10.1007/s11465-022-0718-y

Abstract: Lightweight designs of new-energy vehicles can reduce energy consumption, thereby improving driving mileageIn this study, a lightweight design of a newly developed multi-material electric bus body structure isBy proposing an ATC-based two-level optimization strategy, the original lightweight design problem is

Keywords： electric vehicle     body in white (BIW)     lightweight     analytical target cascading (ATC)    

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Macro-architectured cellular materials: Properties, characteristic modes, and prediction methods

Zheng-Dong MA

Frontiers of Mechanical Engineering 2018, Volume 13, Issue 3,   Pages 442-459 doi: 10.1007/s11465-018-0488-8

Abstract:

Macro-architectured cellular (MAC) material is defined as a class of engineered materials having configurableseparated the strain field into a homogenized strain field and a strain variation field in the local cellularcharacteristic modes and the stress recovery process used to predict the stress distribution inside the cellular

Keywords： architectured material     cellular materials     multi-scale modeling     homogenization method     effective material    

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Title Author Date Type Operation

Influence of construction-induced damage on the degradation of freeze–thawed lightweight cellular concrete

Journal Article

Quality evaluation of lightweight cellular concrete by an ultrasound-based method

Xin LIU; Dongning SUN; Jinhe LIAO; Zhiwei SHAO; Yunqiang SHI; Siqing ZHANG; Yunlong YAO; Baoning HONG

Journal Article

Flexural and longitudinal shear performance of precast lightweight steel–ultra-high performance concrete

Journal Article

Precast steel–UHPC lightweight composite bridge for accelerated bridge construction

Shuwen DENG, Xudong SHAO, Xudong ZHAO, Yang WANG, Yan WANG

Journal Article

Analysis and design of steel-concrete composite sandwich systems subjected to extreme loads

Kazi Md Abu SOHEL, Jat Yuen Richard LIEW, Min Hong ZHANG

Journal Article

Microcellular injection molding process for producing lightweight thermoplastic polyurethane with customizable

Thomas ELLINGHAM, Hrishikesh KHARBAS, Mihai MANITIU, Guenter SCHOLZ, Lih-Sheng TURNG

Journal Article

Regulation of T cell immunity by cellular metabolism

Zhilin Hu, Qiang Zou, Bing Su

Journal Article

A lightweight authentication scheme with user untraceability

Kuo-Hui YEH

Journal Article

Parametric sensitivity analysis of cellular diaphragm wall

Xi CHEN, Wei XU

Journal Article

Temperature and structural responses of a single-section utility tunnel throughout fire exposure

Yanmin YANG; Ying XIONG; Yongqing LI; Xiangkun MENG; Peng WANG; Tianyuan CAI

Journal Article

Liver cell therapies: cellular sources and grafting strategies

Journal Article

Optimization of Land-use Based on the Theory of Cellular Automata and Value of Ecosystem Services

Lian-fu Jiang,Guo-xian Xu,Hao Jiang

Journal Article

A novel approach to preparing ultra-lightweight ceramsite with a large amount of fly ash

Sen Liu, Congren Yang, Wei Liu, Longsheng Yi, Wenqing Qin

Journal Article

Lightweight design of an electric bus body structure with analytical target cascading

Journal Article

Macro-architectured cellular materials: Properties, characteristic modes, and prediction methods

Zheng-Dong MA

Journal Article