首页 | 本学科首页   官方微博 | 高级检索  
相似文献
 共查询到20条相似文献,搜索用时 78 毫秒
1.
《价值工程》2018,(16):135-136
郑万铁路河南段八标卧龙制梁场生产任务为614榀箱梁(白河特大桥、老河沟特大桥、潦河特大桥),为加快梁场大型临时工程建设工期,同时从长远考虑节约梁场建设成本,存梁区53个双层存梁台座均采用预制吊装施工,大大缩短了梁场建设工期,并从长远考虑对预制台座进行重复利用,产生了很好的经济社会效益。  相似文献   

2.
张平 《价值工程》2011,30(7):54-56
结合穗莞深城际轨道交通洪梅梁场建设的实践经验,详细介绍了在沿线路方向场地空间极为有限、不符合常规布置方案的条件下,采用单、双线和25m、30m均可共用的制、存梁台座等方法对梁场规划布置方案进行比选和优化进而制定出适合该梁场实际情况的规划方案,并通过实际生产验证其可行性,对同类条件下城际轨道交通及铁路客运专线制梁场的规划方案的设计具有指导意义。  相似文献   

3.
《价值工程》2017,(11):149-150
根据大西客专襄汾制梁场、渝万铁路洛碛制梁场、徐盐铁路铜山制梁场预制后张法预应力混凝土简支箱梁的施工经验,对后张法预应力箱梁的张拉和孔道压浆质量控制进行论述,为箱梁施工质量提供参考。  相似文献   

4.
茶陵云阳山水秀山灵,茶陵制梁场人杰品优。登上云阳山山顶,俯瞰那大山深处的茶陵制梁场,此时的梁场已没有了昔日那灯火通明、人声鼎沸、机器轰鸣的热闹场景,显出了大山的静谧;那整齐划一、层层叠放的一排排桥梁成品,犹如一排排威武的仪仗队……随着一孔孔桥梁被提起、运送、架设,梁场内虽日渐空荡,但却唤起了一条钢铁长龙的觉醒,内实外美的桥梁已串联起湘赣两省大山深处难以压抑的情感。2013年7月4日,这座坐落在罗霄山脉、群山环抱的制梁场为国家重点工程、衡茶吉铁路生产出了1162孔桥梁后,圆满完成了他在此处担负的神圣使命。  相似文献   

5.
罗凯 《民营科技》2010,(6):202-202,296
结合石武客专新乡南制梁场铁路箱梁申证,总结了铁路箱梁申证工作流程、注意事项,供同类项目参考。  相似文献   

6.
在京沪高铁900t箱梁预制梁场中,制、存梁台座地基处理的质量直接影响到箱梁的预制质量和存移梁的质量安全,是制梁场建设的核心之一。文章论述了梁场简介及地质条件,CFG桩复合地基施工简介,制梁场地基处理的设计,地基处理检验,并对施工提出了相关建议。  相似文献   

7.
田东箱梁预制场的规划布局和台座基础设计   总被引:1,自引:0,他引:1  
铁路箱梁预制场前期规划布局和台座基础设计是否合理将直接影响箱梁预制工程的工期目标和质量保障。为此,本文对新建云桂铁路中铁十四局田东制梁场合理化布局的设计理念进行了描述,仅供今后建场参考。  相似文献   

8.
在京沪高铁900t箱梁预制梁场中,制、存梁台座地基处理的质量直接影响到箱梁的预制质量和存移梁的质量安全,是制梁场建设的核心之一。文章论述了梁场简介及地质条件,CFG桩复合地基施工简介,制梁场地基处理的设计,地基处理检验,并对施工提出了相关建议。  相似文献   

9.
魏盼生 《潮商》2016,(4):18
备受关注的厦深铁路联络线工程取得新进展,经过项目建设单位中铁十六局的努力,从潮州市潮安制梁场通往汕头段汕樟特大桥架梁段的运梁通道近日已经全线打通,为汕头段架梁施工提供保障.据悉,近期广铁集团批复同意后,施工单位即可利用广梅汕铁路既有线实施运梁并架梁施工.  相似文献   

10.
城际轨道梁场规划与设计初探   总被引:1,自引:1,他引:0  
袁新朋  胡明静 《价值工程》2010,29(12):73-73
结合珠三角城际轨道交通无砟轨道后张法预应力混凝土简支箱梁的特点,借鉴我国客运专线梁场规划布置及运架梁经验,着重说明珠三角城际轨道梁场的规划、选址原则和一般方法,介绍制、存梁台座数量的确定及布置原则,为正在建设和即将开工建设的城际轨道梁场规划、选址和布局提供参考。  相似文献   

11.
This paper outlines the ICT statistical developments that the ABS has undertaken over recent years. These developments have been on both the supply side (ICT industry) and the demand side (use of IT by sector). The content of ABS ICT surveys has changed significantly over the last few years and are expected to develop further in line with industry changes and emerging policy needs.
Recent developments in household collections have been the inclusion of IT use questions in the 2001 Census of Population and Housing and in various ABS social surveys such as Children's Participation in Culture and Leisure Activities. Annual business IT use surveys are now conducted and include topics such as Internet commerce and IT security. Biennial ICT industry surveys are conducted to provide data on ICT production, imports and exports, ICT industry employment, performance and structure information. An Internet activity survey is run every six months and provides regional Internet access details and infrastructure details on Internet service providers.
A major development for 2002–03 will be the compilation of an ICT satellite account. ABS intends to produce an ICT Information Development Plan to guide its future statistical development work in the ICT field.  相似文献   

12.
Several US counties and local governments have recently considered a novel solution to the foreclosure crisis. They plan to use eminent domain to compel the owners of mortgage debt—and specifically of private‐label mortgage‐backed securities—to sell the debt to the government at a price reflecting the loan's market value. The government would then restructure the debt and resell it to new investors. The plans are striking because—in contrast to both development‐driven eminent domain and the federal subprime bank bailout—they would force investors to assume asset devaluation and increased long‐term risk. Notably, the plans have emerged as an instance of financialization‐focused politics in suburbs and suburban cities of color, specifically majority‐black and ‐Latino/a suburbs. Local support for the plans, we argue, is rooted in the long‐term disinvestment of these ‘suburbs of exception', which became targets of subprime lending and eventually sites where the ‘financial exception' has been localized. But these demographic shifts, fragmentation and fiscal pressures have at the same time created a suburban political terrain in which the plans have gained their strongest political support.  相似文献   

13.
Serendipity – the notion of making surprising and valuable discoveries – plays a major role in the success of individuals and organizations alike. Previous research has established the importance of serendipity and identified important individual- and organizational-level antecedents. However, the literature has been dispersed and the boundaries of the concept have been blurry, leading to a lack of conceptual clarity and structure, and thus limiting validity and managerial actionability. Based on a systematic literature review, I synthesize existing management-related research on serendipity and explicate the emergence and composition of serendipity in the organizational context. I first identify three necessary conditions that differentiate serendipity from related concepts such as luck or targeted innovation: agency, surprise, and value. Then, I draw from the literature on sensemaking, event-based theorizing, and quantum-based approaches to management to conceptualize the process of cultivating serendipity in the organizational context as a process of enabling potentiality and materialization, and develop a multi-level theory of (cultivating) serendipity. This conceptualization contributes to our collective understanding of how, why, and when (i.e., under what conditions) organizations can leverage the value in the unexpected, which opens up fruitful avenues for further research.  相似文献   

14.
NGOs in Bangladesh have been recognized as effective change agents in the socio-economic arena throughout the world. Their contributions in micro credit, non-formal education and primary health care are widely known. NGOs play a significant role in society. NGO accountability, as a result, has become a critical issue. NGO accountability in Bangladesh has been examined here in relation to patrons, clients and themselves. Of the three relationships only accountability to patrons is in a near satisfactory state. Accountability to clients is handicapped by lack of opportunities of beneficiaries to participate meaningfully in NGO policy making. Accountability to themselves is adversely affected due to the adherence to a strictly hierarchical system and the influence of founding and charismatic NGO leaders.  相似文献   

15.
There has been much discussion regarding the possible decline and weakening of national systems of human resource management (HRM). Yet, culture and institutions are often cited as the major stumbling blocks to this outcome. Such constraints may dissipate in the analysis, particularly if ‘regional clusters’ are considered where geographic and cultural closeness and ‘openness’ to similar economic pressures exist. In such cases, it might be postulated that convergence in HRM will occur. We argue that China, Japan and South Korea represent such a cluster. This article examines these countries, to see if a degree of convergence is taking place and if it is towards an identifiable ‘Asian’ model of HRM. A model of change is presented that distinguishes between levels of occurrence and acceptance. Details of the development and practice of HRM in each country are then set out. The article ends with a discussion and implications section and a brief conclusion.  相似文献   

16.
A new Office for National Statistics was created in the United Kingdom in 1996 following a series of developments designed to strengthen the relevance and integrity of statistics. This paper describes these fundamental changes and sets out a blueprint for future progress. It also sets current developments in the United Kingdom in an historical and international context.  相似文献   

17.
We have considerable understanding of the obstacles that women engineers encounter and the reasons that they leave the field, but we know less about what enables them to remain. Adopting an interpretivist approach, this article examines how a group of British women engineers in two FTSE 100 companies account for “staying on” in their male‐dominated work settings. We delineate four specific forms of help that facilitate women's retention in the field. We argue that exposure to help leads to women developing a habitus that enables them to continue working in engineering. To conclude, we draw on our findings to outline HR practices that will facilitate supportive relationships in the workplace and pave the way towards developing more positive organisational climates.  相似文献   

18.
杨明 《价值工程》2012,31(7):16-17
物流业经过诸多年的发展目前已经成为最热门的行业之一,物流企业的注册数量也与日俱增,达到前所未有的规模。毋庸置疑,任何企业都希望自己迅速做强做大,并成为真正现代物流企业的典型代表,要实现这一目标一个首要问题就是要解决现代物流企业的发展观问题。  相似文献   

19.
丛广英  乔炜君 《价值工程》2010,29(6):245-245
大体积混凝土的裂缝问题是实际工程中长期困扰工程技术人员的问题,其控制技术的研究是混凝土结构研究的热点问题,具有重大的学术价值和潜伏的工程背景。  相似文献   

20.
This paper examines the effect that export composition had upon manufacturing employment in the US during the 1991 recession. Although it takes, on average, approximately $66 000 in exports to create one job, the exact gains in terms of total employment depend upon the labour-intensity of the products being exported. Foreign sales by the chemical and textile industries result in a far greater increase in employment than exports by the petroleum refining or steel industries. This analysis estimates the employment effects of manufacturing exports over the 1989-95 period, utilizing an input-output model to capture both direct and indirect effects. The results demonstrate that export composition has, at times, both strengthened and reduced demand for labour. Consequently, if job-creation is a national goal, it may be in the interests of the US to promote exports from sectors that are labour-using.  相似文献   

设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司  京ICP备09084417号