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 以最新發布的《建筑抗震設計規范》 ( gb50011 ? 2001 )為基礎,提出了地震動隨機模型參數的取值。此外,對考慮多點問題時地震波視波速的取值方法提出了建議。
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 根據震害情況,最后作者對許多不按規范建設的民房提出了原則性的建議,為今后能最大程度的降低震害,起到了警示的作用。
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,按照抗震規范( gb50011 - 2001 )的相關規定,用振型分解反應譜法和彈性動力時程分析法,對鋼筋混凝土異形柱框架結構進行了多遇地震下的計算分析。
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 提出了基于土層結構的場地分類的初步方案。在現行建筑抗震設計規范四類場地劃分的基礎上,進一步根據不同土層結構對每類場地再細劃分為三個亞類,并給出其相應的設計反應譜。
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 ) 目前場地分類的方法還存在一些問題,例如,相同類別的兩個場地,僅是軟弱夾層所在位置不同,其它參數完全相同,按現行建筑抗震設計規范( gb50011 ? 2001 )就會給出相同的設計反應譜。
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 本文結合我國《建筑抗震設計規范》 ( gb50011 - 2001 ) ,對單層工業廠房排架結構在地震作用下土?結構共同作用問題進行了分析討論,給出了考慮基礎埋深與地基變形影響時排架結構自振周期的計算模型;這?模型應用方便,適合目前實際工程結構設計使用。
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 利用考慮最優設防烈度的抗震優化設計理論,與現行抗震設計規范相結合,通過給定地震烈度下二階段最小造價設計方法,對高層框架結構的優化設計進行實例計算。
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 本文對比了我國新、舊建筑抗震設計規范( gb50011 - 2001 、 gbj11 89 )以及國外設計規范(或指南)中關于結構扭轉效應與抗扭設計的相關規定;按照新建筑抗震設計規范和混凝土結構設計規范( gb50010 2002 ) ,設計了設防烈度分別為8度和9度的兩個多層鋼筋混凝土不規則空間框架結構,利用纖維模型梁柱單元的三維非線性動力分析程序,根據新抗震設計規范的要求,在設防地震作用和罕遇地震作用水準下選擇適當的地震波作為輸入,對結構進行了雙向地震作用下的三維非線性動力反應分析。
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 本文針對目前出現的問題,參照建筑抗震設計規范和建筑荷載規范通過對上部結構作為附加荷載的可行性分析,分析整體計算樓層的底部水平地震力和把加層部分作為附加荷載乘以放大系數來計算樓層的底部水平地震力,當兩者相等或接近時,即可確定放大系數,從而提出簡化計算方法。