In current practice , array parameters are usually calculated according to the strength and types of interference wave , frequency characteristics , and azimuth , whereas the effect of array center is often ignored , and simply view the graphic center as array center 指出现在施工设计中，组合参数的确定主要围绕干扰波、频率特性和方位角等方面进行论证，忽视了其组合中心的确定。
The design of the sign can be divided into four stages : product planning , concept design , technical design and detail design , the tasks and purposes of each stage have been made clear , and the process of the product development been built up 把广告机的设计过程分为产品规划、方案设计、技术设计和施工设计等四个阶段，明确各阶段的主要工作任务和目标，在此基础上建立产品开发的进程模式。
And the variation characteristics of stress field , strain field and plastic failure zones in the surrounding rock mass of the underground cavities are summarized , which provides basic information and reference for the evaluation of underground cavities stability and project construction 总结了地下洞室群围岩应力、变形和破坏区的分布特征和变化规律，为洞室群稳定性评价和工程施工设计提供了基础资料和参考依据。
In the course of realization by stages and in groups of this plan , i will be responsible for making the detail design , according to the whole principle of this plan , and the each real on - the - spot situation of sub - plan . then , i will be responsible for the scene construscts 在这个方案分期分批的实现过程中,我将根据方案的整体原则,依据每个子项实施的实际现场情况,负责制定出详细的施工设计方案书,然后在重庆气矿负责进行现场的项目施工。
Based on estimating the type of filtration by constructed g and fraction , and determining the fracture closed point , the parameters such as the geometry of fracture , the leak - off coefficient can be calculated , and furthermore it can direct the acid fracturing design and improve the acid fracturing technology 通过构造g函数、函数可判断储层的滤失特性，确定裂缝闭合点从而得到裂缝的几何尺寸以及滤失系数等参数，进而指导酸压的施工设计和完善酸压工艺。
Displacement function means for calculating geostress in fem analysis of underground houses is used , based on crustal stress data of underground cavern of pump water station of tong guanshan yixing to store energy , applying the displacement function theory and 3d nonlinear fem , the thesis simulates a displacement field applied the boundary in engineering area and obtain the initial crust stress field through load function in ansys . the result shows that the error between regressed ones and actual ones is controlled in allowed limit and supply the important data for building and design 根据宜兴铜官山抽水蓄能电站地下厂房区的地应力实测资料，运用位移函数法理论，采用三维非线性有限元计算方法，反演出施加在厂房区边界上的位移场，借助州sys有限元分析软件，获取模型边界节点的坐标信息，然后通过ansys软件的载荷函数将边界位移程序化施加到模型边界上，最后得到整个区域的初始地应力场，结果表明回归后的地应力值与实测值接近，为地下工程的施工设计提供了重要的资料。
Fourthly , this thesis presents a method of visual computer - aided design to concrete dam construction by using three - dimension dynamic simulation . by this means , not only the design modeling process is simplified , but also the complex construction process is visualized . moreover , it is possible to make analysis and （ 4 ）提出了基于三维动态仿真的混凝土坝施工可视化辅助设计方法，不仅简化了大坝施工设计的建模过程，实现了大坝施工复杂动态过程的逼真描述，而且可以直观地对不同施工方案进行分析和比较，从而为制订切实可行的大坝施工组织计划以及进行施工进度实时控制与管理提供科学合理的决策依据。
In this thesis , on the basis of the existing construction and design data in the world , as an example of daliao river bridge , which is the second deepwarter bridge above daliao river , the auther makes a review and summary of hanging box construction method , introduces design and construction process of the hanging box of daliao river bridge in detail 本论文以辽河上的第二座深水特大桥? ?大辽河特大桥为背景，在搜集国内外已有的深水基础施工及设计资料的基础上，对吊箱法施工高桩承台工法进行了归纳和总结；对大辽河特大桥高桩承台吊箱的施工设计与施工过程作了较为详细的介绍。
Displacement back analysis and optimum design of excavation subsequence in underground engineering are important to reliability analysis of surrounding rock and detail design . in underground engineering the method to determine initial ground stress and mechanical parameters of surrounding rock mass and excavation subsequence is key problem to design and study 地下工程位移反分析及开挖顺序优化设计是地下工程围岩稳定性分析与施工设计的重要内容,探讨地下工程围岩初始地应力与力学参数以及其开挖施工顺序的确定方法是目前地下工程设计与研究的关键问题。
This thesis mainly with lately set up the wen - fu railroad building guantou especially the big bridge foundation investigates for the example , introducing the engineering geology to investigate of method , process and result , according to the building guantou especially the big bridge drills to explore the data , by the engineering geology estimate to the district geology background , engineering geology condition , hydrology geology condition , the place stability , providing the engineering geology data and the design parameters of the necessity for the construction design 本论文主要以新建温福铁路馆头特大桥桥基勘察为例子，介绍了工程地质勘察的方法、过程及成果，根据馆头特大桥的钻探资料，通过对区域地质背景、工程地质条件、水文地质条件、场地稳定性的工程地质评价，为施工设计提供了必要的工程地质资料和设计参数。
