工程设计

This thesis focus on GPS application in magnetic suspension engineering:① the formulation of oblique cylindrical projection is worked out according to characteristics of long distance precise engineering and map projection theory. The author has developed an application to accomplish coordinate conversion from generally used coordinate systems to oblique Maglev Coordinates System.② considering not only project peculiarities but also position of control points, selection of initial points, connection type, selection of repeat baseline and ground observed quantities, GPS network is designed on electronic map and we may extract GPS network information by program developed using Visual Basic 6.0 while the results are stored in control point file and baseline vector file.③estimate accuracy of various GPS networks designed on electronic map by method of 2D restriction adjustment. GPS network simulation design and accuracy estimate come true.④Predominate the rules how connection type , repeat baseline and precise baseline of range finder influence GPS network precision through comparing accuracy of various GPS network. Thereby, the solution how to establish GPS network in long distance precise engineering is figured out.

本论文主要研究GPS技术在磁悬浮工程中的应用：①根据长距离精密工程的特点，从地图投影原理出发，推导出斜轴圆柱投影的应用公式，并编制计算软件，实现从常用坐标系统向斜轴磁悬浮坐标系统的转换计算；②在AutoCAD电子地图上，根据工程的需要，并充分考虑控制点的点位、起算点的选择、连接方式、重复基线的选择和地面观测量的选择等因素，在电子地图上进行GPS网的设计，根据Visual Basic 6.0语言编程，提取出GPS网资料，保存在控制点文件和基线向量文件中；③对在电子地图生成的各种类型的GPS网进行二维约束平差的精度估算，实现了GPS网的模拟设计与精度估算；④通过对各种控制网的精度比较，掌握连接方式、重复基线、精密测距仪基线对GPS网精度影响的规律，解决了长距离精密工程GPS网的建立方法。

In the second part, by using uniform design and orthogonal design methods, some groups of mix test of foam lightweight with different component are conducted, the test data is analyzed by neural networks model and regression model, and optimum mix proportion is obtained. Orthogonal design for mix material considering density factor is presented, as well as uniform design for mix material adapting to different density. The mechanic characteristics of foam lightweight material and engineering characteristics differing from general material under an allround press are founded. Through the analysis of asymmetry settlement for Doulong sluice and the comparison of correct deflection scheme, the foam lightweight material shows some advantages in the load reduction.

在泡沫轻质材料的研究方面，利用均匀设计和正交设计方法进行了几组不同组分的泡沫轻质材料的配方试验，利用神经网络模型和回归模型对试验数据进行处理，得出最优配方；提出了考虑密度因素的混料配方的正交设计方法和适合不同密度时的混料配方均匀设计方法；研究了泡沫轻质材料的力学特性，并发现了在围压作用下所表现出的不同于一般材料的工程特性；论文将上述研究成果用于斗龙港闸工程的处理设计，通过对该闸的不均匀沉陷分析和各种纠偏方案比较表明，采用泡沫轻质材料进行减载处理有一定的优越性。

This article is based on the engineering of Huluding bridge in Nanning provinces, and take the foundation of deep water as research object, introduced the whole process of the engineering ,from perambulation、design to construction.

本论文主要以南宁市葫芦鼎大桥工程项目为背景，以深水基础作为研究对象，从工程的勘查、设计到施工过程进行全面系统的介绍与分析，并根据本工程的具体情况借鉴国内外相关工程项目的实施经验，对设计参数、设备选型及施工工艺等方面作了全面的研究。

In this design, we will expatiate the choice of the route and the roadbed and road surface in details. Beside, we will discuss the application of quality surveillance in civil engineer. Last, we could do something on budgetary estimate and budget and analyze the lost of the project .This is the special prat.

本设计较详细地阐述了路线、路基和路面的综合设计以及工程质量监理在道路工程建设中的运用，之后将概预算运用到工程实践中，对工程进行造价分析，也是专题部分。

In teaching the content including three-view drawing and axonometric drawing in Technology and Design Book one which is published by Suzhou's Education Press, firstly the writer has made a adjustment on the order of the teaching content and a complementarity on the concept of the proportion of the three-view drawing.

执教《技术与设计1》三视图和轴测图的绘制教学内容，在教学实施中，对教学内容知识顺序作以调整，补充三视图比例概念，使用平面结构形体、曲面结构形体、组合结构形体模型实测画三视图；轴测图内容补充斜二测轴测图的绘制，使学生掌握识读工程图的基本方法、培养绘制工程三视图的基本能力、了解工程图的基本规范，初步养成按标准绘制工程图的良好习惯，挖掘学生对技术设计的内核的深刻理解和自身的原创力。

This paper discusses some problems that have more differences in the standard execution and presents the point that we should properly adjust the project scale and structure grade of the project under construction according to the new standard in order to upgrade the design; analyzes the project classification of the project extension and project to be constructed in phases, and classific...

为此，对该标准执行中存在较多分歧的一些问题进行了探讨，提出根据新标准适时调整在建工程的工程等别和建筑物级别以利于优化设计，对扩机工程和分期建设工程的工程等级划分、大型水电站的挡水和泄水建筑物级别的确定、抽水蓄能电站大坝的洪水设计标准等进行了分析。

By this way, it can be seen that the risks of natural disaster and accident can be transferred by construction insurance and that man-caused risks by construction bond. Furthermore, this paper studies the legal problems in the implementation of construction insurance and bond system and the correspondent laws that need to be improved. With reference to construction insurance, it is compulsive to carry out Contractor"s All Risks, Erection All Risks, Employer"s Liability Insurance, Supervisory Engineer/Designer Professional Liability Insurance and Maintenance Insurance. As for construction bond, it is suitable to take the method of surety bond and implement obligatorily Bid Bond, Performance Bond, Employer Payment Bond and Contractor Payment Bond. In addition, this paper analyses the problems in the implementation of construction insurance and bond system in China and presents corresponding solutions. In the end, it provides a method by option price theory to estimate the costs of construction bond.

本文首先借鉴国外工程保险和担保制度，通过工程保险可以有效的转移自然灾害和意外事故风险，通过工程担保转移各种人为风险；其次研究了在我国实行工程保险和担保制度存在的法律问题和需完善的相关法律，提出在工程保险方面，应强制实行建筑工程一切险、安装工程一切险、质量保修保险、设计/监理责任险，在工程担保方面，宜采取保证担保的方式，强制实行投标保证担保、履约保证担保、业主履约保证担保和付款保证担保，分析了在我国实行工程保险和担保制度存在的问题，提出相应对策；最后运用期权价格理论给出了确定工程担保费用的一种方法。

The superstructure uses the standard drawing, the substructure has used the gravity T-shape abutment and the rectangular buttress, in the design carries on the size to the abutment and the bridge pier to draw up, simultaneously satisfies the design the principle, the abutment uses 9.3m, in satisfies the structure and under the operation requirements premise, the abutment uses 9.3m to be long, because the geological condition decided, the pillar body uses 12m to be high, the open excavation foundation, the process load computation and the load combination, has carried on the bridge abutment and the pillar bottom section stress separately to the abutment and the bridge pier examines calculated, examines calculated the result conforms to the standard requirement, the bridge span uses the straight line build, and established this bridge construction organization plan, including the engineering project characteristic, the construction plan, the job practice, the bridge building construction technology, the measure has drawn up the top cap and the tray structure and matches the muscle chart, finally has drawn up Shui Xigou the bridge overall and the horizontal plan.

内昆铁路水溪沟大桥，中心里程为DK608+393.00，该桥的设计方案有三个，通过技术、经济比较，采用4×32m预应力混凝土简支梁桥方案，桥梁全长149.5m，I级单线铁路，设计时速为120km/h，设计荷载为中活载。上部结构采用标准图，下部结构采用了重力式T 形桥台和矩形桥墩，设计中对桥台和桥墩进行了尺寸拟定，在满足构造和使用要求的前提下，桥台采用9.3m长，由于地质条件决定，墩身采用12m高，明挖基础，经过荷载计算和荷载组合，对桥台和桥墩分别进行了台底和墩底截面应力的检算，检算结果符合规范要求，桥跨采用直线布设，并且编制了该桥的施工组织设计，其中有工程项目的特征、施工方案、施工方法、桥梁工程施工技术，措施绘制了顶帽及托盘构造及配筋图，最后绘制了水溪沟大桥的总体及平面图。

In aspects of project management and planning, the company has enough experiences to carry out shipbuilding of cutter dredgers, general cargo vessels, working boats, also has experiences in commissioning and ship repairing.

船舶工程方面提供各种民用船只的设计、挖泥船建造工作，也为船厂和船东提供基本设计、详细设计和生产设计；船舶工程方面工作包括项目管理、技术服务以及船舶改装设计及技术服务、船舶维修和设备维护、钢结构制造等。

Professional to undertake: ventilation cooling plant engineering, energy saving and environmental protection air-conditioning works, the central air-conditioning engineering, purification dust works, clean room engineering, fuel injection decontamination, waste treatment works, complete sets of kitchen equipment in Western works, hot water systems and other environmental series works Design and installation, project examples and after-sales service by the broad masses of old and new customers reputation!

专业承接：不锈钢厨房工程、厂房通风降温工程、节能环保空调工程、中央空调工程、净化除尘工程、无尘车间工程、喷油净化工程、三废处理工程、中西餐成套厨具设备工程、供热水系统等环保系列工程的设计与安装，工程实例和售后服务深受广大新老客户美誉！

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。