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Quanyin Tan,Fei Liu,Jinhui Li,
《工程(英文)》 doi: 10.1016/j.eng.2023.09.018
关键词: Iron and steel industry Carbon and pollution emissions Synergistic reduction Technological structure Steel scrap Cross-elasticity
“黑色金属矿产资源强国战略研究”专题组
《中国工程科学》 2019年 第21卷 第1期 页码 97-103 doi: 10.15302/J-SSCAE-2019.01.014
作为供给侧结构性改革的先行者,中国钢铁行业积极化解过剩产能,彻底取缔“地条钢”,2016—2017年化解钢铁产能超过1.2×108t,清除“地条钢”等违法产能1.4×108t。当前,全球钢铁工业处于产能过剩周期,中国钢铁消费由持续增长向“峰值平台区”转变,单位GDP粗钢消费强度回落,单位投资粗钢消费强度下降,预计到2025年国内粗钢消费需求量为6×108~6.5×108t,产量为6.5×108~7.0×108t,到2030年,国内粗钢消费需求量为5.3×108~6.0×108t,产量为5.9×108~6.5×108
t。与此同时,我国废钢资源供给量将快速增加,未 来充足的废钢资源将是我国钢铁工业强有力的支撑,铁素资源构成也将发生重大变化,国际铁矿石资源的需求量将逐步下降,同时对于推动生态文明建设和绿色发展具有重要作用。Reduction of hexavalent chromium with scrap iron in a fixed bed reactor
Yin WANG, Xuejiang WANG, Xin WANG, Mian LIU, Siqing XIA, Daqiang YIN, Yalei ZHANG, Jianfu ZHAO
《环境科学与工程前沿(英文)》 2012年 第6卷 第6期 页码 761-769 doi: 10.1007/s11783-012-0413-z
关键词: hexavalent chromium scrap iron reduction capacity drinking water
黄崇祺
《中国工程科学》 2008年 第10卷 第5期 页码 10-18
当前我国电缆工业“废杂铜的直接再生制杆”和“以铝节铜”已成为关注的“热点”。整个行业铜线的质量在下降,致使线缆产品的合格率大幅下降。铜包铝线和铜包钢线的用量正在逐步攀升,但“以铝节铜”的产品方向和在技术经济上的可行性在某些领域供、需双方还未取得共识和可行的结论。文章就废杂铜直接再生制杆、以铝节铜的现状、问题和建议进行论述,以期这两大热点向良性循环的方向发展。
《环境科学与工程前沿(英文)》 2021年 第15卷 第4期 doi: 10.1007/s11783-020-1358-2
• Microbes enhance denitrification under varying DO concentrations and SIF dosages.
关键词: Scrap iron filing Nitrate removal Phosphate removal Mixed culture denitrification Zero valent iron
杨遇春
《中国工程科学》 2003年 第5卷 第1期 页码 24-32
论述了再生铝产业的现状和营销市场,指出规模经济是再生行业的主流,再生铝的产品结构在逐渐向变形铝合金的方向发展。市场需求和技术创新是推动再生铝产业发展的两个主要因素。
Seismic analysis of semi-gravity RC cantilever retaining wall with TDA backfill
Il-Sang AHN, Lijuan CHENG
《结构与土木工程前沿(英文)》 2017年 第11卷 第4期 页码 455-469 doi: 10.1007/s11709-017-0392-z
关键词: TDA (Tire Derived Aggregate) scrap tires retaining wall seismic analysis Finite Element Analysis
On braced trapezoidal corrugated steel shear panels: An experimental and numerical study
《结构与土木工程前沿(英文)》 2023年 第17卷 第3期 页码 396-410 doi: 10.1007/s11709-023-0934-5
关键词: trapezoidal corrugated plate steel shear panel braced steel shear panel experimental study buckling resistance.
Causations of failure in megaprojects: A case study of the Ajaokuta Steel Plant project
Oluwole Alfred OLATUNJI
《工程管理前沿(英文)》 2018年 第5卷 第3期 页码 334-346 doi: 10.15302/J-FEM-2018011
This paper uses project organizational theories to draw lessons from a historic megaproject, the Ajaokuta Steel Plant (ASP). Archival reports on the ASP were explored to identify the unique attributes of the project; the political wrangling that underplayed its evolution, its economic significance and organizational impacts. Findings suggest the goals of the ASP project were, and still are, unambiguous. Failure occurred as socio-political forces aggravated the project’s complex milestones. Stakeholders were impatient with pre-project investigations. During planning, owners ignored opinions that were contrary to their expectations. While delays lingered, pressures from the global economy weakened the project’s motivation to succeed. These combined to turn the project’s outcomes into a chaotic situation that triggered dire implications. Despite about 1400% overrun in cost, the success achieved on the plant was 28% at commissioning. Contractors remained on site until eight years after commissioning. Six key elements of the 482 items in the ASP project contract were not delivered nearly 40 years on. A simplistic look at these suggests poor planning is the main problem. However, planning issues is not entirely strange in greenfield projects. The paper draws strength from project organization theories to explain what was poor about the planning. Socrates’ generic management theory was used to explain the role of leadership in the failure of the ASP project. McGregor’s Theory X and Theory Y explain the significance of stakeholders’ integration in megaprojects. Systems and chaos theories were used to explain the sensitivity of the ASP project to uncertainties. Narratives on these combine well to inspire stakeholders of megaprojects on where and how to seek courage in making effective plans that can help achieve success in complex projects. While normative literature only recognizes project success in a definitive perspective, this study provides insights from failure as an instrument to trigger sublime reflections.
关键词: industrial projects megaprojects Nigeria project organizational theories steel plant
Parametric study of hexagonal castellated beams in post-tensioned self-centering steel connections
Hassan ABEDI SARVESTANI
《结构与土木工程前沿(英文)》 2019年 第13卷 第5期 页码 1020-1035 doi: 10.1007/s11709-019-0534-6
关键词: finite element analysis hexagonal castellated beam parametric study post-tensioned self-centering steel connection steel moment-resisting frame
陆钟武,岳强,高成康
《中国工程科学》 2013年 第15卷 第4期 页码 23-29
单位生产总值钢产量指标对于调控钢产量,开展钢铁行业的节能、降耗和减排工作具有重要意义。首先给出了单位生产总值钢产量定义式,引入了“在役钢量”概念及其计算式;然后对单位GDP钢产量的定义式进行了两次变换,导出具有分析功能的新定义式;并以新定义式和钢产量计算式、钢铁行业能耗、物耗和排放计算式为依据,对钢产量及钢铁行业的能耗、物耗和排放进行了分析;最后,进行了与钢铁行业相关各参数的分类,并提出全面推进钢铁行业节能、降耗、减排工作的总体看法。
Concepts and implementation of strain-based criteria in design codes for steel structures
Reidar BJORHOVDE
《结构与土木工程前沿(英文)》 2012年 第6卷 第3期 页码 210-216 doi: 10.1007/s11709-012-0165-7
关键词: steel stress-strain characteristics tension test strain design actual behavior improved design codes
Torsional behavior of triangular web profile (TRIWP) steel section by experimental study
Fatimah DE’NAN,Hazwani HASAN,Mohd Hanim OSMAN,Sariffudin SAAD
《结构与土木工程前沿(英文)》 2016年 第10卷 第4期 页码 409-419 doi: 10.1007/s11709-016-0358-6
关键词: corrugated web i-beam non uniform steel section torsion resistance torsion angle triangular web profile steel section
标题 作者 时间 类型 操作
Integrated Analysis on the Synergistic Reduction of Carbon and Pollution Emissions from China’s Iron and Steel
Quanyin Tan,Fei Liu,Jinhui Li,
期刊论文
Reduction of hexavalent chromium with scrap iron in a fixed bed reactor
Yin WANG, Xuejiang WANG, Xin WANG, Mian LIU, Siqing XIA, Daqiang YIN, Yalei ZHANG, Jianfu ZHAO
期刊论文
Scrap Iron Filings assisted nitrate and phosphate removal in low C/N waters using mixed microbial culture
期刊论文
Seismic analysis of semi-gravity RC cantilever retaining wall with TDA backfill
Il-Sang AHN, Lijuan CHENG
期刊论文
Causations of failure in megaprojects: A case study of the Ajaokuta Steel Plant project
Oluwole Alfred OLATUNJI
期刊论文
Parametric study of hexagonal castellated beams in post-tensioned self-centering steel connections
Hassan ABEDI SARVESTANI
期刊论文
Concepts and implementation of strain-based criteria in design codes for steel structures
Reidar BJORHOVDE
期刊论文