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Development of mix design method based on statistical analysis of different factors for geopolymer concrete

Paramveer SINGH; Kanish KAPOOR

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 10, Pages 1315-1335 doi: 10.1007/s11709-022-0853-x

Abstract: The present study proposes the mix design method of Fly Ash (FA) based geopolymer concrete using ResponseThe 2D contour plots were used to setup the mix design method to achieve the target compressive strengthThe proposed mix design method of geopolymer concrete is divided into three categories based on curingThe proposed mix design method of geopolymer concrete was validated through experimentation of M30, M50The observed experimental compressive strength results validate the mix design method by more than 90%

Keywords： geopolymer concrete mix design fly ash response surface methodology compressive strength stress−

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A multi-attribute decision making approach of mix design based on experimental soil characterization

Amit K. BERA, Tanmoy MUKHOPADHYAY, Ponnada J. MOHAN, Tushar K. DEY

Frontiers of Structural and Civil Engineering 2018, Volume 12, Issue 3, Pages 361-371 doi: 10.1007/s11709-017-0425-7

Abstract: In this article, a novel multi-attribute decision making (MADM) based approach of mix design has beenproposed for silty sand – artificial clay mix to improve the characteristic strength of a soil subgradein this study to illustrate the proposed approach of selecting appropriate proportion for the soil mixThe results show that a mix proportion containing approximately 90% silty sand plus 10% bentonite soil

Keywords： silty sand bentonite soil soil mix design multi-attribute decision making

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Wheel tracking methods to evaluate moisture sensitivity of hot-mix asphalt mixtures

Jie HAN,Harihar Shiwakoti

Frontiers of Structural and Civil Engineering 2016, Volume 10, Issue 1, Pages 30-43 doi: 10.1007/s11709-016-0318-1

Abstract: Existing test methods to determine moisture sensitivity in hot-mix asphalt (HMA) mixtures are time consuming

Keywords： hot-mix asphalt moisture sensitivity rutting wheel tracking test

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Strength reduction factors for structural rubbercrete

Bashar S. MOHAMMED,N. J. AZMI

Frontiers of Structural and Civil Engineering 2014, Volume 8, Issue 3, Pages 270-281 doi: 10.1007/s11709-014-0265-7

Abstract: replacement to fine aggregate by volume, yet there is no specific guideline has been developed on the mixdesign of the rubbercrete.design guidelines.Influence of mix design parameters such as percentage of crumb rubber replacement, cement content, waterThese RFs can be used to design rubbercrete mixes based on the conventional mix (0% crumb rubber content

Keywords： crumb rubber recycled tire mix design reduction factor strength modulus elasticity

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A methodology of implementing target mixing ratio for asphalt mixture

Yucheng HUANG, Lun JI, Rui WEN, Ming ZHANG

Frontiers of Structural and Civil Engineering 2017, Volume 11, Issue 3, Pages 308-314 doi: 10.1007/s11709-017-0405-y

Abstract: In order to implement the objective mix design of hot mix asphalt adequately during the constructionThe results show that the set of methods can not only implement the objective mixing ratio of hot mix

Keywords： asphalt mixture target mixing ratio mix design implementation batching & mixing plant debugging

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Experimental investigation on concrete overlaid with textile reinforced mortar: Influences of mix, temperature

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 2, Pages 271-283 doi: 10.1007/s11709-022-0896-z

Abstract: In this study, we developed a textile-reinforced mortar mix using river sand and evaluated the differentIn the second phase, the chemical resistance of the mix that showed the best performance in the abovementioned

Keywords： textile reinforced mortar bending tests acid and alkaline environment concrete overlay

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Field investigation of intelligent compaction for hot mix asphalt resurfacing

Wei HU,Xiang SHU,Baoshan HUANG,Mark WOODS

Frontiers of Structural and Civil Engineering 2017, Volume 11, Issue 1, Pages 47-55 doi: 10.1007/s11709-016-0362-x

Abstract:

Intelligent compaction (IC) is a relatively new technology for asphalt paving industry. The present study evaluated the effectiveness and potential issues of the IC technology for flexible pavement resurfacing construction using two field projects. In the first project, a geostatistical semivariogram model was established and the parameters derived from it were compared with univariate statistical parameters for the Compaction Meter Value (CMV) data. Further analyses illustrated the effect of temperature on the CMV value and compaction uniformity. In the second project, a multivariate analysis was performed between in situ tests and IC data. The possibility of combining various IC data to predict the asphalt layer density and improve the current quality control and assurance system was discussed.

Keywords： intelligent compaction compaction meter value (CMV) semivariogram multivariate analysis

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Optimization of polyurethane-bonded thin overlay mixture designation for airport pavement

Xianrui LI; Ling XU; Qidi ZONG; Fu JIANG; Xinyao YU; Jun WANG; Feipeng XIAO

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 8, Pages 947-961 doi: 10.1007/s11709-022-0836-y

Abstract: and construction of polyurethane-bonded mixture (PUM), which presents significant difference with hot-mixTherefore, this research investigated and optimized the mix design of PUM for airport thin-overlay technology

Keywords： polyurethane-bonded mixture mix design optimization airport pavement thin overlay gray relational

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Demand response based congestion management in a mix of pool and bilateral electricity market model

Ashwani KUMAR, Charan SEKHAR

Frontiers in Energy 2012, Volume 6, Issue 2, Pages 164-178 doi: 10.1007/s11708-012-0187-9

Abstract: In this paper, demand response-based CM has been proposed for a mix of pool and bilateral electricity

Keywords： bid function congestion management (CM) demand response pool+bilateral electricity market static var compensator (SVC) thyristor controlled series compensator (TCSC)

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Operation and control of flow manufacturing based on constraints management for high-mix/low-volume production

GUAN Zailin, PENG Yunfang, MA Li, ZHANG Chaoyong, LI Peigen

Frontiers of Mechanical Engineering 2008, Volume 3, Issue 4, Pages 454-461 doi: 10.1007/s11465-008-0083-5

Abstract: mainly appropriate for high volume and repetitive production, is proven difficult to be applied in high-mix

Keywords： appropriate management technology scheduling technology different

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Correlation between carbon emissions and energy structure –Reliability analysis of low carbon target

Ben HUA

Frontiers in Energy 2011, Volume 5, Issue 2, Pages 214-220 doi: 10.1007/s11708-010-0133-7

Abstract: The correlation of with a variety of primary energy mix fractions and technology advances such as CCS

Keywords： correlation carbon emissions energy consumption high carbon emissions energy mix target of emission reduction

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Real prospects for the development of power technologies based on renewable energy sources in Poland

Sławomir DYKAS, Artur SZYMAŃSKI, Xiaoshu CAI

Frontiers in Energy 2017, Volume 11, Issue 2, Pages 168-174 doi: 10.1007/s11708-017-0474-6

Abstract: In Poland more than 40% of the power units have been operating for over 40 years now and more than 10% are over 50 years old, which indicates a high degree of decrease in the value of the energy sector. An analysis of the energy market shows that every year a new power plant should be built with a capacity of 1000 MW to ensure the national energy security. An energy market research indicates that in Poland the structure of energy production is changing in recent years—the share of fossil (solid) fuels in electricity and heat production was approximately 88% in 2009, while in 2004 it reached 93%. According to the analysis of the market, it can be seen that conventional energy, mainly based on coal and lignite, has been the most important segment of the sector for a long time.?In this paper the prospects for the development of power technologies based on renewable energy sources (RES) in Poland are presented.

Keywords： renewable energy sources energy sector energy mix Poland

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Reliability design method for steam turbine blades

SHI Jinyuan

Frontiers in Energy 2008, Volume 2, Issue 4, Pages 363-368 doi: 10.1007/s11708-008-0073-7

Abstract: , vibration frequencies and exciting force frequencies of blades as random variables, a reliability designSome blade reliability design calculation formulas for a dynamic stress design method, a safety ratiodesign method for fatigue strength, and a vibration reliability design method for the first and secondWith these methods, the design reliability of steam turbine blades can be guaranteed in the design stageThis research may provide some scientific basis for reliability design of steam turbine blades.

Keywords： design reliability force probability purport reliability design

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Assembly design system based on engineering connection

Wensheng YIN

Frontiers of Mechanical Engineering 2016, Volume 11, Issue 4, Pages 423-432 doi: 10.1007/s11465-016-0382-1

Abstract:

An assembly design system is an important part of computer-aided design systems, which are importanttools for realizing product concept design.The traditional assembly design system does not record the connection information of production on theengineering layer; consequently, the upstream design idea cannot be fully used in the downstream designAn assembly design model based on the relationship of engineering connection is presented.

Keywords： product design assembly design engineering connection assembly sequence planning

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Controversy on design science and competitiveness of design

Xie Youbai

Strategic Study of CAE 2014, Volume 16, Issue 8, Pages 4-13

Abstract: design’, ‘period of industrial design’ and ‘period of post-industrial design’ was given, especially in the period of industrial design.The problem now is not that one who can or cannot design but the design with or without competitivenessscience and make clear the change in design cognition and idea.The concepts of ‘competitive design’ and ‘inheriting design’ are suggested in

Keywords： design industrial design design science knowledge knowledge acquirement