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Intelligent optimization of temperature control and crack prevention measures for sluice pier concrete

Huang Yaoying,Ding Yuemei,Lv Xiaoman and Xu Bailin

Strategic Study of CAE 2014, Volume 16, Issue 3,   Pages 59-63

Abstract:

To the sluice pier concrete，temperature control and crack prevention is a complex and multi- factorproblem of system optimization related to temperature control measures and material parameters.and tensile strength growth curve as inputs and the sluice pier superficial heat preservation effect，pouringtemperature，pipe cooling temperature and duration time as outputs，establishes the neural network modelof the optimal temperature control measures，takes the uniform design principle to have the temperature

Keywords： sluice pier     superficial heat preservation     water cooling     pouring temperature     intelligent optimization    

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Dam Concrete Placement by Towerbelt

Peng Gang

Strategic Study of CAE 2004, Volume 6, Issue 9,   Pages 77-80

Abstract: concrete placement by towerbelt are the interrupted feeding, high intensity and the capability of direct pouringHowever, there would be some problems of back rise of temperature of the pre-cooled concrete during transportationquality control of raw materials of concrete, counterpart equipment and construction technologies on the pouring

Keywords： TGP     towerbelfs     pouring concrete    

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Concrete construction technology on tower beam of Three Gorges Project ship lift

Yu Ying

Strategic Study of CAE 2013, Volume 15, Issue 9,   Pages 27-32

Abstract: In this paper, combined with the structural features and construction characteristics of concrete pouringconstruction of the Three Gorges Project ship lift top beam is summarized, which uses hierarchical, block pouring

Keywords： ship lift     beam     concrete     construction joints     pouring stratification     Three Gorges Project    

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Emerging challenges to structural integrity technology for high-temperature applications

TU Shantung

Frontiers of Mechanical Engineering 2007, Volume 2, Issue 4,   Pages 375-387 doi: 10.1007/s11465-007-0066-y

Abstract: The modern needs of structural integrity technology are largely attributed to the increase of service temperatureBesides the needs arising from large-scale high-temperature plants, the high tech developments, suchin large process plants and the aviation industry, micro chemo-mechanical systems, fuel cells, high-temperatureThe state-of-the-art of structural integrity technology for high temperature applications is reviewed

Keywords： manufacture     aviation industry     conversion     petrochemical     temperature    

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Effects of temperature on pyrolysis products of oil sludge

LIU Jianguo, SONG Wei, NIE Yongfeng

Frontiers of Environmental Science & Engineering 2008, Volume 2, Issue 1,   Pages 8-14 doi: 10.1007/s11783-008-0030-z

Abstract: Temperature is the determining factor of pyrolysis, which is one of the alternative technologies forThe effects of final operating temperature ranging from 350 to 550°C on pyrolysis products of oil sludgeWith an increase of temperature, the mass fraction of solid residues, liquids, and gases in the finalfrom solid to liquid and gas phase (especially to liquid phase) during the process, and the optimum temperature

Keywords： sludge treatment     corresponding     Temperature     liquid     process    

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Phase separation time/temperature dependence of thermoplastics-modified thermosetting systems

ZHANG Xiujuan, XU Yuanze, YI Xiaosu

Frontiers of Chemical Science and Engineering 2008, Volume 2, Issue 3,   Pages 276-285 doi: 10.1007/s11705-008-0057-5

Abstract: (UCST) or lower critical solution temperature (LCST) were studied with emphasis on the temperature dependencyof the phase separation time and its potential application in the cure time-temperature processing windowWe found that the phase separation time/temperature relationship follows the simple Arrhenius equationWith the established phase separation time-temperature dependence relation, we can easily establish thewhole cure time-temperature transformation (TTT) diagram with morphology information which is a useful

Keywords： separation time-temperature     temperature dependency     cure-induced     separation activation     temperature    

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A Brief Review of Rock-Filled Concrete Dams and Prospects for Next-Generation Concrete Dam Construction Technology Review

Feng Jin, Duruo Huang, Michel Lino, Hu Zhou

Engineering 2024, Volume 32, Issue 1,   Pages 100-106 doi: 10.1016/j.eng.2023.09.020

Abstract: construction has been the invention of the rock-filled concrete (RFC) dam, which is constructed by pouring  However, two fundamental scientific issues related to RFC need to be addressed: namely, the pouring

Keywords： Rock-filled concrete dam     Pouring compactness     Effect of large rocks     Intelligent quality control     Unmanned    

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Elevated temperature creep model of parallel wire strands

Frontiers of Structural and Civil Engineering   Pages 1060-1071 doi: 10.1007/s11709-023-0981-y

Abstract: existing approach to analyze their creep behavior, this study experimentally investigated the elevated temperaturecamera system was incorporated to accurately obtain the deformation of the specimen during the elevated temperatureIt was concluded that the temperature level had a more significant effect on the creep strain than theBy comparing the elevated temperature creep test results for PWSs and steel strands, it was found thatthe creep strain of PWSs was lower than that of steel strands at the same temperature and stress levels

Keywords： parallel wire strands     experimental study     elevated temperature creep model    

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Construction technology of Three Gorges Project ship lift hydraulic self-climbing formwork

Dai Zhiqing

Strategic Study of CAE 2013, Volume 15, Issue 9,   Pages 22-26

Abstract:

The construction time limits for the tower column concrete of Three Gorges Project ship lift is pressed for time and require high accuracy. In order to ensure the construction progress and quality, the hydraulic self-climbing formwork is used. This paper focuses on the construction technology of hydraulic self-climbing formwork, improvement measures of self-climbing formwork as well as structural measures made in the plate girders and corbels department of tower to meet the rising-up of self-climbing formwork on Three Gorges Project ship lift tower column concrete. It has been found that application and improvement of the hydraulic self-climbing formwork construction technology meet the design requirements of the tower column cylinder concrete of the Three Gorges ship lift, effectively improve the construction efficiency, save cost, ensure the engineering quality and improve the safety of the construction,can provide reference for other hydropower project construction.

Keywords： tower concrete     hydraulic self-climbing formwork     concrete pouring     Three Gorges Project ship lift    

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Research on concreting equipment planning of ship lift boat cab segment in Three Gorges Project

Huang Jiaquan,Ma Shaofu,Yu Yongjun

Strategic Study of CAE 2013, Volume 15, Issue 9,   Pages 59-63

Abstract: The engineering practice effect of construction equipment indicates that the concrete pouring equipmentlayout plan for Three Gorges Project ship lift boat cab section effectively covers all pouring surface, meeting the warehousing strength requirements in concrete pouring peak, and the construction schedule

Keywords： construction equipment     equipment layout     concrete pouring     boat cab     Three Gorges Project ship lift    

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Field test on temperature field and thermal stress for prestressed concrete box-girder bridge

Baoguo CHEN, Rui DING, Junjie ZHENG, Shibiao ZHANG

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 2,   Pages 158-164 doi: 10.1007/s11709-009-0002-9

Abstract: A field test was conducted to investigate the distribution of temperature field and the variation ofThe change of hydration heat temperature consists of four periods: temperature rising period, constanttemperature period, rapid temperature fall period and slow temperature fall period.The peak value of hydration heat temperature increases with the increasing casting temperature of concreteAccording to field tests, the thermal stress incurred by hydration heat may induce temperature cracks

Keywords： box-girder bridge     field test     hydration heat     temperature field     temperature gradient     thermal stress    

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A review of low-temperature plasma-assisted machining: from mechanism to application

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 1, doi: 10.1007/s11465-022-0734-y

Abstract: Low-temperature plasma contains a variety of active particles and can effectively adjust material propertiesAfter introducing the characteristics, classifications, and action mechanisms of the low-temperatureplasma, we describe the effects of the low-temperature plasma on different machining processes of variousThe low-temperature plasma can be classified as hot plasma and cold plasma according to the differentFinally, the promising development trends of low-temperature plasma-assisted machining are presented,

Keywords： low-temperature plasma     difficult-to-cut material     machinability     hydrophilization effect     Rehbinder    

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Real-time tool condition monitoring method based on temperature measurement and artificial neural network

Frontiers of Mechanical Engineering doi: 10.1007/s11465-021-0661-3

Abstract: Here, a real-time tool condition monitoring method integrated in an in situ fiber optic temperatureintermittent cutting experiment is carried out, verifying that the apparatus can capture the rapid but slight temperature

Keywords： tool condition monitoring     cutting temperature     neural network     learning rate adaption    

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Effects of pressure and temperature on fixed-site carrier membrane for CO 2 separation from natural gas

Meng WANG, Dongxiao YANG, Zhi WANG, Jixiao WANG, Shichang WANG,

Frontiers of Chemical Science and Engineering 2010, Volume 4, Issue 2,   Pages 127-132 doi: 10.1007/s11705-009-0231-4

Abstract: In this paper, the effect of testing temperature on the performance of fixed carrier membrane for COThe effect of testing temperature on membrane separation performance was investigated.The results showed that both the permeances of CO and CH decreased with the increase of temperature,of 0.11MPa, the CO/ CH selectivity of PEI-PVA/PS blend composite membrane reduced along with temperaturepressure of 0.21MPa, as well as 1.11MPa, the selectivity decreased with the increase of temperature

Keywords： temperature increment     high pressure     permselectivity     separation performance     temperature    

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Investigation on the performance and detoxification of modified low temperature coal tar pitch

Fengyan SUN, Yu LIU

Frontiers of Structural and Civil Engineering 2017, Volume 11, Issue 3,   Pages 315-321 doi: 10.1007/s11709-017-0386-x

Abstract: In this paper, studies on the modification on the low temperature coal tar pitch extracted from coalFirst, the low temperature coal tar pitch in liquid state is solidified with a higher softening pointThe detoxification mechanism is also studied, which further promote the applicability of modified low temperature

Keywords： coal tar pitch     low temperature     modification     detoxification    

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Title Author Date Type Operation

Intelligent optimization of temperature control and crack prevention measures for sluice pier concrete

Huang Yaoying,Ding Yuemei,Lv Xiaoman and Xu Bailin

Journal Article

Dam Concrete Placement by Towerbelt

Peng Gang

Journal Article

Concrete construction technology on tower beam of Three Gorges Project ship lift

Yu Ying

Journal Article

Emerging challenges to structural integrity technology for high-temperature applications

TU Shantung

Journal Article

Effects of temperature on pyrolysis products of oil sludge

LIU Jianguo, SONG Wei, NIE Yongfeng

Journal Article

Phase separation time/temperature dependence of thermoplastics-modified thermosetting systems

ZHANG Xiujuan, XU Yuanze, YI Xiaosu

Journal Article

A Brief Review of Rock-Filled Concrete Dams and Prospects for Next-Generation Concrete Dam Construction Technology

Feng Jin, Duruo Huang, Michel Lino, Hu Zhou

Journal Article

Elevated temperature creep model of parallel wire strands

Journal Article

Construction technology of Three Gorges Project ship lift hydraulic self-climbing formwork

Dai Zhiqing

Journal Article

Research on concreting equipment planning of ship lift boat cab segment in Three Gorges Project

Huang Jiaquan,Ma Shaofu,Yu Yongjun

Journal Article

Field test on temperature field and thermal stress for prestressed concrete box-girder bridge

Baoguo CHEN, Rui DING, Junjie ZHENG, Shibiao ZHANG

Journal Article

A review of low-temperature plasma-assisted machining: from mechanism to application

Journal Article

Real-time tool condition monitoring method based on temperature measurement and artificial neural network

Journal Article

Effects of pressure and temperature on fixed-site carrier membrane for CO 2 separation from natural gas

Meng WANG, Dongxiao YANG, Zhi WANG, Jixiao WANG, Shichang WANG,

Journal Article

Investigation on the performance and detoxification of modified low temperature coal tar pitch

Fengyan SUN, Yu LIU

Journal Article