水利与建筑工程学报
水利與建築工程學報
수리여건축공정학보
TECHNIQUE OF SEEPAGE CONTROL
2013年
5期
56-61
,共6页
吴二军%张芬芬%杨勇%卢士鹏
吳二軍%張芬芬%楊勇%盧士鵬
오이군%장분분%양용%로사붕
旋转移位工程%托换结构%水平动力%摩擦系数
鏇轉移位工程%託換結構%水平動力%摩抆繫數
선전이위공정%탁환결구%수평동력%마찰계수
rotational moving engineering%underpinning structure%horizontal moving force%friction coefficient
采用 SAP2000软件建立了濠景大厦二次旋转工程中的托换结构模型,通过8种工况的计算分析,探讨了移动过程中水平动力作用位置、杆件截面尺寸、移动支座摩擦系数对水平托换结构杆件内力的影响规律。结果表明:水平加载点位置对托换结构和旋转中心受力有显著影响;濠景大厦移位工程加载方式四较优;托换结构杆件高宽比取1.0左右较为适当;大部分杆件内力随移动支座摩擦系数减小近似线性减小,但分荷装置存在时,部分杆件内力随摩擦系数减小而增大。
採用 SAP2000軟件建立瞭濠景大廈二次鏇轉工程中的託換結構模型,通過8種工況的計算分析,探討瞭移動過程中水平動力作用位置、桿件截麵呎吋、移動支座摩抆繫數對水平託換結構桿件內力的影響規律。結果錶明:水平加載點位置對託換結構和鏇轉中心受力有顯著影響;濠景大廈移位工程加載方式四較優;託換結構桿件高寬比取1.0左右較為適噹;大部分桿件內力隨移動支座摩抆繫數減小近似線性減小,但分荷裝置存在時,部分桿件內力隨摩抆繫數減小而增大。
채용 SAP2000연건건립료호경대하이차선전공정중적탁환결구모형,통과8충공황적계산분석,탐토료이동과정중수평동력작용위치、간건절면척촌、이동지좌마찰계수대수평탁환결구간건내력적영향규률。결과표명:수평가재점위치대탁환결구화선전중심수력유현저영향;호경대하이위공정가재방식사교우;탁환결구간건고관비취1.0좌우교위괄당;대부분간건내력수이동지좌마찰계수감소근사선성감소,단분하장치존재시,부분간건내력수마찰계수감소이증대。
By SAP2000 software,the underpinning structure model for Haojing Building is established here.Through the calculating of 8 cases,the influences are analyzed on the performance of underpinning structure by the loading points of horizontal moving force,the sizes of member sections and the friction coefficient between slide support and track surface. The results show that the location of horizontal loading point has significant influence on the internal force of underpinning structure and the pressure of rotation center.Loading Mode Four is the best mode for the shift engineering of Haojing Building.When the section height-width ratio of members is about 1 .0,the underpinning structure has better perfor-mance.The internal force of most members decreases almost linearly with the decrease of friction coefficient,but in the case of load distributing device,the internal force of some members increases with the decrease of friction coefficient.