| 1. | Two - piece barge - launched jacket
双模块驳载下水导管架 |
| 2. | Jacket launch barge
导管架下水驳船简介 |
| 3. | Dual - pole fuzzy pattern optimum selection model for penteration depth of jacket platform
导管架平台桩基贯入深度的两级模糊模式优选模型 |
| 4. | On the basis of error propagation theory , the precision of quality control points of jacket is studied and the precision specifications are derived from general dimensional tolerance in jacket fabrication
摘要文章根据误差传播理论，对导管架质量控制点本身的精度进行探讨，并由导管架制造完工尺寸公差要求，导出控制点应达到的精度指标。 |
| 5. | With the analytic method , the expressions for the precise calculation of buoyancy and its center of launching jackets are deduced and given , with which the calculation and simulation for launching jackets become more precise
分析了导管架下水运动过程中杆元的各种状态，用解析的方法推导出导管架下水运动过程中的浮力和浮心的精确计算公式，提高了导管架下水参数计算及其模拟的精度。 |
| 6. | Abstract : in this paper , by the use of the famous fem software msc / nastran , the structure of a platform is analyzed . and on the base of this analysis , the platform is optimized in two ways to prove that the result is useful for the thrift of the construction cost
文摘:通过采用美国msc / nastran程序，对导管架式海洋平台进行了三维有限元分析，并在此基础上以两个方案对其结构进行了大型优化设计，优化结果最终可为平台降低建造成本。 |
| 7. | According to the diversity of structure reliability index and functional requirement of offshore jacket platform , the models of structural fuzzy optimum design of offshore jacket platforms is established . therefore , it is necessary to design the jacket platform with reliability optimum mode
本文考虑结构的可靠性并从模糊可靠性的观点对结构加以分析，在准确的可靠性约束情况下，建立了导管架海洋平台结构可靠性模糊优化设计模型。 |
| 8. | Based on a thorough investigation on positional variances of quality control points of jacket , absolute error ellipse and relative error ellipse , which can show the precision of quality control points of jacket in any direction , are presented and then applied to quality control of jacket
在对质量控制点的点位方差进行深入研究的基础上，给出表示导管架质量控制点在任意方向上精度的绝对误差椭圆和相对误差椭圆，进而将这两种误差椭圆应用于导管架的质量控制中，从而使导管架的质量控制更有效和准确。 |
| 9. | Today we are facing a global crisis of energy , and in offshore of china there lie many marginal fields that need exploiting urgently , yet guiding - pipe platforms are n ' t adequate for these shallow water fields . so it is necessary to develop some neotype platform that should be multi - function and mobility
在全球面临能源危机的今天，我国海上油田中存在大量的边际油田急待开发，而传统的钢导管架平台根本无法满足这些油田的开采要求，因此研制新型的多功能移动式采油设施势在必行。 |
| 10. | Jacket is the most widely used offshore platform structural style . first of all , the paper summarizes the present achievements of dynamic analysis for offshore platform , and studies both the vibration isolation system for jacket and vibration - suppressed effectiveness . considering the style and character of jacket , and in order to make best use of dampers to reduce vibration , a damping isolation scheme , in which the damping layer is laid between the jacket cap and deck is put forward
本文在总结国内外对海洋平台结构动力分析研究现状的基础上，针对浅海导管架式海洋平台的型式与结构特点，研究了导管架式海洋平台结构阻尼隔振体系及其减振效果，为了充分发挥阻尼器的耗能减振作用，提出了在平台结构导管架端帽和甲板之间设置柔性阻尼层的新型阻尼隔振方案。 |
