Following the conventional structural design philosophy , the pile structure of weizhou 11 - 1 platform usually use the type of main pile 按照常规工程结构设计思路，涠洲11 - 1油田这样规模的浅水平台桩基结构，通常采用主桩结构型式。
In conclusion , a formulae about the moment distribution is introduced on the consideration of several factors , which is suggestive for the designing of practical prestressed concrete structures 最后，在综合考虑各因素的影响的情况下提出了一套弯矩调幅公式，对预应力框架的工程结构设计有一定的参考价值。
The finite element method ( fem ) has been widely applied to engineering structures design and mechanics analysis as a tool , so it would be signality to apply fem to piezoelectric composite materials analysis 有限元法作为一种广泛应用于工程结构设计、力学分析的工具，将它应用于压电复合材料的性能分析中具有非常重要的意义。
Support engineering of deep excavation involves many fields . in these fields , there are not only the problems of engineering structure design , but also of foundation , rock soil mechanics and environment protection 深基坑围护工程涉及的技术领域广泛，既有工程结构设计方面的课题，更有地基基础和岩土力学以及环境保护方面的课题。
The structural dynamic optimum design is an advanced subject in the field of engineering structure design at present . the structural optimization problem under dynamic stress and displacement constraints is attached importance 结构动力优化设计是当前工程结构设计研究领域的前沿性课题，其中的结构动力响应优化(以动位移、动应力为目标函数或约束)近年来受到广泛重视。
The differential and integration method was used to deduce the formula for determining the extremum places of structure moment and a simple method for the calculation of moment extremum , which has some reference value in practical engineering structure design 摘要利用微分积分关系推导出结构弯矩极值发生位置和弯矩极值计算的公式，对工程结构设计具有一定的参考价值。
In the designs of structure , the dynamic loads are stochastic not only on time and space but also on the order of change . structural dynamic reliability theory is a branch of new developing structural dynamic 在工程结构设计中，要考虑的动态作用主要有地震，强风，波浪力等，这些作用不仅在事件发生的时间和空间上是随机的，而且每次事件作用的强度随时间的变化规律也是随机的。
The prevalence of computers and the rapid development of optimization algorithms have fascinated and inspired generations of structural engineers to optimize various structures and their members by combining computer technology and advanced optimal methods 随着计算机的日益普及和优化算法的快速发展，将计算机和先进的优化思想融合进工程结构领域，对结构(或构件)进行快速、准确的优化设计，已经成为当前工程结构设计领域不可避免的趋势。
The main analysis conclusions which can directly apply in the design and be consulted by other projects are as following : ( 1 ) earthquake action effects increase so seriously as to generate weak story , because of the change of mass and rigidity near the transfer story in structures with large base , multi towers and transfer story 分析结果除直接指导该工程结构设计外，对多塔楼大底盘带转换层复杂高层建筑结构的设计得到以下可供其他设计参考的主要结论：大底盘多塔楼带转换层结构转换层附近由于质量、刚度的变化，地震内力明显增大且容易形成薄弱层。
The essay combines " code for seismic design of buildings " ( gb50011 - 2001 ) , analyzing and discussing bent structure of one - story industry buildings tinder the interaction of the seismic , ground - structure , and works out calculation model for bent structure ' s dynamic period about the depth of burying foundation and toft transmutation ; the model is employed expediently , adapts to actual engineer construction design at present 本文结合我国《建筑抗震设计规范》 ( gb50011 - 2001 ) ，对单层工业厂房排架结构在地震作用下土?结构共同作用问题进行了分析讨论，给出了考虑基础埋深与地基变形影响时排架结构自振周期的计算模型；这?模型应用方便，适合目前实际工程结构设计使用。
