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1.
王亮 《价值工程》2019,38(32):172-174
采用灰土挤密桩加固湿陷性黄土具有高效、快捷、经济等优势。本文以兰海高速公路临洮至渭源段LW4标段采用灰土挤密桩进行湿陷性黄土加固处理的工程实例为依托,详细阐述了灰土挤密桩各施工设计参数的选定方法和试验优化过程。对处理过的复合地基进行承载力检测的结果证明,本项目采用的灰土挤密桩加固湿陷性黄土达到了设计要求的良好处理效果。  相似文献   

2.
本文以一建在湿陷性黄土场地的高层建筑地基处理为实例,针对处理过程中先采用灰土挤密桩消除黄土湿陷性再利用CFG桩提高地基承载力的方法和效果进行了跟踪测试。地基处理前后地基土的物理力学试验指标、静力触探试验曲线和静力载荷试验结果的对比表明,灰土挤密桩能有效地消除黄土的湿陷性,CFG桩使复合地基的承载力得到了显著提高,能够满足高层建筑对地基承载力的要求。同时,该处理方法具有工艺简便、造价低等优点,应广泛在湿陷性黄土地区的高层建筑地基处理中推广。  相似文献   

3.
灰土挤密桩作为一种处理湿陷性黄土地基的重要方法,具有承载力高、技术可靠、设备简单、成本低、施工效率高、经济效益高等特点,在我国路基处理中得到了广泛的应用,从而有效消除了复合地基桩间土的湿陷性,提高了路基的强度,确保了整个公路的质量。文章对灰土挤密桩在湿陷性黄土路基处理中的应用进行了论述。  相似文献   

4.
本文介绍了灰土挤密桩施工技术,通过东毛高速公路A7合同段灰土挤密桩实践实例,主要确定了湿陷性黄土地基灰土挤密桩施工方案及检测标准。  相似文献   

5.
灰土挤密桩是一种施工方法,为了使地基的水稳性或承载力得到提高,在基础底面做成许多的桩孔,接着分层将灰土填入并夯实.该方法适用于处理地下水位以上的湿陷性黄土、素填土和杂填土等地基,处理深度宜为5~15m.本文结合实际工程就灰土挤密桩的施工进行详细论述,以期能与同行共同交流.  相似文献   

6.
灰土挤密桩因其具有承载力高、技术可靠、施工方便、经济效益高并且需要设备简单等优点,因此作为一种处理是湿陷性黄土地基的重要方法。灰土挤密桩能够有效地消除复合地基桩间土的湿陷性,提高路基强度,确保公路施工质量。因此在公路工程中得到的广泛的应用。  相似文献   

7.
龚金钧 《民营科技》2014,(9):211-211
水泥土挤密桩是处理湿陷性黄土地基的主要方法之一,主要作用是消除黄土地基的湿陷性,以提高地基土的承载力。通过工程实例,详细地介绍了水泥土挤密桩在湿陷性黄土地基中的具体应用及施工质量检测方法,对消除地基土的湿陷性进行了研究,提出了该方法在施工中的注意事项。  相似文献   

8.
高春乐  王新涛 《价值工程》2012,31(24):135-136
本文针对湿陷性黄土地基的特点,通过工程实例,介绍了灰土挤密桩的加固机理、施工工艺、技术要求,并对其处理结果做了质量检测,结果显示各项指标均满足设计要求。同时描述了灰土挤密桩在施工中遇到的问题和解决方法。  相似文献   

9.
在路桥工程施工过程中遇见湿陷性黄土,对其处理如果仅仅采取地基处理,很难满足路桥承载力需求。基于此,文章就挤密桩结合板桩结构处理湿陷性黄土具体施工进行叙述,而通过该工程实际施工,认为使用挤密桩结合板桩结构处理湿陷性黄土具有经济效益好、施工简单等优点。  相似文献   

10.
灰土挤密桩在林地、山地等,填土高度超过4m的Ⅱ级自重湿陷性黄土场地,以及Ⅲ级自重湿陷性黄土场地施工中得到广泛应用,本文通过分析灰土挤密桩施工方案,阐述施工注意事项和质量控制及检验标准,进而对灰土挤密桩施工提供参考依据。  相似文献   

11.
En este estudio se analiza el incumplimiento del salario mínimo durante el periodo 2003–2012 en diez países de Europa central y oriental con salario mínimo obligatorio nacional. A partir de los datos de EU‐SILC y la metodología propuesta por Bhorat, Kanbur y Mayet (2013), se cuantifica la incidencia y magnitud del incumplimiento. Se realizan análisis de regresión sobre determinantes individuales, laborales y macroeconómicos. Aunque la incidencia permanece relativamente baja, los trabajadores a los que se dirigen las políticas de salario mínimo parecen los más expuestos a su incumplimiento. Con el tiempo, una mayor incidencia se asocia a una razón más alta entre salario mínimo y salario medio.  相似文献   

12.
When sampling a batch consisting of particulate material, the distribution of a sample estimator can be characterized using knowledge about the sample drawing process. With Bernoulli sampling, the number of particles in the sample is binomially distributed. Because this is rarely realized in practice, we propose a sampling design in which the possible samples have a nearly equal mass. Expected values and variances of the sample estimator are calculated. It is shown that the sample estimator becomes identical to the Horvitz–Thompson estimator in the case of a large batch-to-sample mass ratio and a large sample mass. Simulations and experiments were performed to test the theory. Simulations confirm that the round-off error due to the discrete nature of particles is negligible for large sample sizes. Sampling experiments were carried out with a mixture of PolyPropylene (PP) and PolyTetraFluorEthylene (PTFE) spheres suspended in a viscous medium. The measured and theoretical variations are in good agreement.  相似文献   

13.
This article compares the practice of and attitudes towards performance appraisal for managerial and professional staff in Hong Kong and Britain, and considers the extent to which actual practice and employee preferences are in alignment. Findings suggest that appraisal may be more widespread in Hong Kong than in Britain. However, British appraisal tends to be more participative and to place greater emphasis on discussing objectives, development and career plans. Hong Kong appraisals appear to be more directive and Hong Kong respondents perceive a higher level of 'negative' appraiser behaviour. In spite of this, Hong Kong respondents show if anything slightly more confidence in the utility of appraisal than do British respondents. They show stronger support for appraisal's use for reward and punishment and less support for the objectives-setting and training and development uses than do the British sample. Hong Kong respondents are more likely than their British counterparts to favour involving a more senior manager in appraisal, and they are less likely to prefer more frequent appraisals. There was little evidence that Hong Kong respondents had a stronger preference for group-based appraisal criteria, although they did show more support than the British sample for the use of personality as a basis for appraisal. Overall, the suggestion is that appraisal has been adopted in Hong Kong organizations but that the practice of appraisal has been adapted to suit the cultural characteristics of the society.  相似文献   

14.
Expatriate experience is not only a disconnected occasion for cross-cultural anxiety and adjustment but also an important event in the process of self-development and learning. Following this view and arguing for a discursive approach, the paper focuses on ways in which expatriates themselves tell and interpret their development and movement across expatriate career cycle. Meaning systems connecting expatriate job with previous and following work experiences in career stories of Finnish engineers and managers were identified using a combination of narrative and discourse analysis. No evidence was found of an autonomous expatriate discourse but, in contrast, expatriate career cycle was narrated using available organizational repertoires of development and career. Describing and discussing the meaning-making properties of three identified discourses - bureaucratic, occupational and enterprising - the paper emphasizes the organizational environment of expatriate experience while acknowledging the limits of these contemporary career vocabularies in addressing individual learning and change in cross-cultural settings.  相似文献   

15.
The paper explores the increasing popularity of the Internet technology Singapore. It argues that the diffusion of Internet technology to South-East Asia would create new duties and responsibilities for human resource (HR) managers. One such duty is the identification of the skills which professional Internet staff would need to perform their work effectively in organizations. Using a triangulation research method, empirical study has identified the new professional Internet jobs which have emerged the IT industry in Singapore and the skills that professional Internet personnel require do their jobs effectively. Analysis of the findings indicates that professional Internet skills involve both technical and creative abilities and that, in explaining or defining professional Internet skills, it is necessary to use both the technical and the social conceptions of skill. This argument is based on the view that the creative skills include tacit skills so that a definition based solely on the technical conception of skill cannot capture the various dimensions of Internet skills. The implications of the research findings for human resource managers are raised.  相似文献   

16.
While a growing body of research analyses the functional mechanisms of the cultural or creative economy, there has been little attention devoted to understanding how local governments translate this work into policy. Moreover, research in this vein focuses predominately on Richard Florida's creative class thesis rather than considering the wider body of work that may influence policy. This article seeks to develop a deeper understanding of how municipalities conceptualize and plan for the cultural economy through the lens of two cities held up as model ‘creative cities’ — Austin, Texas and Toronto, Ontario. The work pays particular attention to how the cities adopt and adapt leading theories, strategies and discourses of the cultural economy. While policy documents indicate that the cities embrace the creative city model, in practice agencies tend to adapt conventional economic development strategies for cultural economy activity and appropriate the language of the creative city for multiple purposes.  相似文献   

17.
Despite the establishment of high-tech multinational enterprises (MNEs) in Ireland since the late 1950s, the country did not succeed in closing the technological gap with most of its EU counterparts. The weak National System of Innovation (NSI), and in particular low business and government R&D levels, combined with a lack of research and technology linkages between MNEs and indigenous firms, explain these poor results. However, the Shannon region in the West of the country presents some specific institutional characteristics that could theoretically make the region a strong technological enclave. The various actors in the region - i.e. the administrative, financial, political and research institutions, as well as the business organizations - have indeed infused a new type of economic development. After a brief review of the available concepts and models articulated around these actors and their interrelationships, the paper analyses whether the Shannon region, taken as an illustrative example, mirrors a specific economic and technological localized setting. The study is based on a survey of indigenous and foreign firms.  相似文献   

18.
This article reviews discrimination and diversity research published in Human Resource Management (HRM) over the past 60 years. While discrimination and diversity are very different constructs, it is often informative to study them together, because when people recognize each other's diversity, this can result in bias, stereotyping, and discrimination. We conducted bibliographic searches for terms related to discrimination and diversity as well as a manual search through every title and abstract published in HRM over the last 60 years to assess article relevance. The search resulted in 135 research articles with 136 unique studies (i.e., samples) which are reviewed in this article. Sex and race are the demographics that have been examined the most in HRM, while religion has been examined the least. Moreover, the number of studies examining lesbian, gay, bisexual, transgender, and queer (LGBTQ) employees in the workplace in HRM has grown quickly within the past 10 years, culminating in a recent meta‐analysis. Our review looks at some of the earliest research published, the most recent research published, and the overall trends we identified in the research over the years for both discrimination and diversity articles. We then make future research suggestions and recommendations to advance the study of discrimination and diversity in the coming years.  相似文献   

19.
关于高校教学秘书工作的认识与思考   总被引:2,自引:0,他引:2  
王巧文 《价值工程》2010,29(1):114-116
教学秘书在教学管理中起着举足轻重的作用,本文结合自己近6年从事教学秘书的工作实践和体会,阐述了高校教学秘书的工作职能和工作内容,提出了教学秘书应具备的素质,分析了日前教学秘书工作中存在的问题,探讨了教学秘书工作改进的方法与途径。  相似文献   

20.
Some labels have dire consequences. This article takes issue with the labels commonly used to describe the physical and social location of communities living on the edge of Port Vila, Vanuatu—labels that position communities for eviction by entrenching tropes of informality and peripherality into how they are seen and represented. Such terms include informal, settlement, informal settlement, squatter and peri-urban. Based on interviews with around 100 people and two years of ethnographic engagement with urban communities in Port Vila, Vanuatu, I critique the language of policy against the lived experience of those at the urban edge. I use Bourdieu's articulation of power as an accumulation of symbolic capital that enables one to speak the world into being. I conclude that the language of policies and plans is reflective of a dominant discourse in urban studies and international aid, and non-reflective of the experience and identities of people living at the urban edge. My interviewees and interlocutors maintain their identities as sister communities—as places grounded in the formality of customary tenure, and as part of the city rather than outside it.  相似文献   

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