| 1. | Code for seismic design of buildings 建筑抗震设计规范 |
| 2. | Based on new seismic code " code for seismic design of buildings " ( gb50011 - 2001 ) , a method of selecting parameters and equivalent phase velocity of the earthquake wave for multidimensional analysis is suggested 以最新发布的《建筑抗震设计规范》 ( gb50011 ? 2001 )为基础,提出了地震动随机模型参数的取值。此外,对考虑多点问题时地震波视波速的取值方法提出了建议。 |
| 3. | According to the seismic damage situation described in this paper , the principle suggestions are put forward for resident houses which did not obey the code for seismic design of buildings , which is important as a warning in order to lower seismic damage in large extent in the future 根据震害情况,最后作者对许多不按规范建设的民房提出了原则性的建议,为今后能最大程度的降低震害,起到了警示的作用。 |
| 4. | The third , according to code for seismic design of buildings ( gb50011 - 2001 ) , the analysis of r . c . frame structure with special - shaped column is conducted under minor levels of ground motion by means of model analysis method and elastic time - history analysis method 第三,按照抗震规范( gb50011 - 2001 )的相关规定,用振型分解反应谱法和弹性动力时程分析法,对钢筋混凝土异形柱框架结构进行了多遇地震下的计算分析。 |
| 5. | A primary scheme of site classification was presented , in this scheme a new site classification method that can consider the profiles containing bottom , mid or top soft layer was put forward on the basis of the site classification in the current code for seismic design of buildings 提出了基于土层结构的场地分类的初步方案。在现行建筑抗震设计规范四类场地划分的基础上,进一步根据不同土层结构对每类场地再细划分为三个亚类,并给出其相应的设计反应谱。 |
| 6. | But the method of site classification still has some problems . for example , two sites which belong to the same site sort and only the position of soil layer is different have the same design response spectra according to the code for seismic design of buildings ( gb 50011 - 2001 ) 目前场地分类的方法还存在一些问题,例如,相同类别的两个场地,仅是软弱夹层所在位置不同,其它参数完全相同,按现行建筑抗震设计规范( gb50011 ? 2001 )就会给出相同的设计反应谱。 |
| 7. | 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。 |
| 8. | According to the theory of optimum aseismic design based on optimal fortification intensity , combining with present code for seismic design of buildings , making use of the method of two - stage minimum - cost design with given seismic intensity , the actual computation of optimal design for aseismic high rising frame structures can be gained 利用考虑最优设防烈度的抗震优化设计理论,与现行抗震设计规范相结合,通过给定地震烈度下二阶段最小造价设计方法,对高层框架结构的优化设计进行实例计算。 |
| 9. | This paper firstly compares the provisions about torsion effect and anti - torsion design in several codes ( the old and new chinese code for seismic , and some other countries " codes ) . then , according to the code for seismic design of buildings ( gb50011 - 2001 ) and the code for concrete structure design ( gb50010 - 2002 ) , the paper designs two multi - storied irregular concrete spatial frames , which respectively situated at the area of fortification intensity 8 and 9 . subsequently , using the program based on the column - beam element of fiber model , input several ground motion records , which are selected according to the demand of code , to carry the structures " three - dimensional nonlinear analysis in two perpendicular directions at the same time 本文对比了我国新、旧建筑抗震设计规范( gb50011 - 2001 、 gbj11 89 )以及国外设计规范(或指南)中关于结构扭转效应与抗扭设计的相关规定;按照新建筑抗震设计规范和混凝土结构设计规范( gb50010 2002 ) ,设计了设防烈度分别为8度和9度的两个多层钢筋混凝土不规则空间框架结构,利用纤维模型梁柱单元的三维非线性动力分析程序,根据新抗震设计规范的要求,在设防地震作用和罕遇地震作用水准下选择适当的地震波作为输入,对结构进行了双向地震作用下的三维非线性动力反应分析。 |
| 10. | This paper analyzes the feasibility and theory evidence as additional load according to code for seismic design of buildings and load code for the design of building structures . the paper puts forward a kind of predigest account method aiming at these problems by the feasibility analyzes of the gabled frames as additional load and defining a magnified coefficient through analyzing the level earthquake force at the floor of this building according to the code for earthquake this force is in the total building and the gabled frames as additional load multiply a certain magnified coefficient 本文针对目前出现的问题,参照建筑抗震设计规范和建筑荷载规范通过对上部结构作为附加荷载的可行性分析,分析整体计算楼层的底部水平地震力和把加层部分作为附加荷载乘以放大系数来计算楼层的底部水平地震力,当两者相等或接近时,即可确定放大系数,从而提出简化计算方法。 |