海上全回转起重船起重机研究

来源 :第二十届全国桥梁学术会议 | 被引量 : 0次 | 上传用户：titicool

【摘要】

：

本文阐述了海上起重船的分类,论述了全回转起重机结构组成,分析了全回转起重机各类回转支承的特点;并以胜利油田400t全回转起重船起重机为研究对象,选取该起重机最危险工况,采用有限元法分析计算了在通过改变转台结构形式来得到不同的刚度分布,来获得滚轮支反力分布的变化,为大型全回转起重机结构设计提供参考.

【作者】

：

刘振营杜斌武

【机构】

：

武桥重工集团股份有限公司

【出处】

：

第二十届全国桥梁学术会议

【发表日期】

：

2012年4期

【关键词】

：

起重船全回转起重机回转支承机构转台结构刚度分布

下载到本地 , 更方便阅读

下载此文赞助VIP

声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架

论文部分内容阅读

其他文献

Monitoring and inspection of steel cable-stayed bridges

Deterioration of steel cable-stayed bridges is often found in stay cables,steel girders and foundations.Structural durability problems mainly contain fatigue and erosion of the cables and steel girder

会议

Durability design method and application for concrete bridge based on carbonation numerical simulati

Structural characteristics are extremely important to the durability design process of concrete bridge,yet are not considered sufficiently by the design parameters in current durability design codes a

会议

Cost-effective connection details for enhanced life cycle performance of steel orthotropic bridge de

Steel orthotropic bridge deck is the only system likely to provide a service life exceeding 100 years with minimum maintenance; however,concerns of inservice fatigue cracking from welded connections,a

会议

Evaluation of traffic load on bridges based on extreme load effect analysis

The traffic load effects on existing bridges may be quite different from those of design live loads due to various traffic environments.However,the bridge maintenance and safety assessment of in-servi

会议

Preliminary study on anchor properties of pre-stressed CFRP plate at high temperature

Some high-temperature environment would cause a comparatively large loss ofpre-stress on pre-stressed CFRP plate or give rise to failure due to the unstable holding of anchor holder on CFRP plate,when

会议

Life-cycle performance monitoring and evaluation of long-span bridges

A large number of long-span bridges in mainland China have been constructed,which become the motivation of applications of structural health monitoring (SHM) technology.Many bridges have been implemen

会议

Performance enhancement of bridges and other structures through the use of fibre-reinforced polymer

Due to their various advantages including excellent corrosion resistance and high strength-to-weight ratios,fibre-reinforced polymer (FRP) composites have been widely used as strengthening materials t

会议

Life cycle management of steel-concrete composite bridges

The increasing stock of short and medium span bridges in this region and around the world induces substantial maintenance and rehabilitation costs which result in a significant increase in financial b

会议

3-D visualization for better bridge asset management

Complex bridges are owned and maintained by many agencies worldwide.Most complex bridges consist of hundreds or thousands of elements,and each element typically requires careful,individual condition a

会议

A structure's fatigue evaluation through fluctuating stress measurement during service and effe

The conditions to control the fatigue crack of steel bridges are the geometric state,the initial characteristic construction state,materials,and the load conditions.Among them,the greatest effect on f

会议

海上全回转起重船起重机研究

与本文相关的学术论文