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 (1 山東同圓設(shè)計(jì)集團(tuán)有限公司，濟(jì)南 250000; 2 山東建筑大學(xué)土木工程學(xué)院, 濟(jì)南 250101)

［摘要］對(duì)某帶大底盤超高層雙塔進(jìn)行小震彈性、靜力彈塑性分析。結(jié)果表明，帶大底盤超高層雙塔的振動(dòng)具有一定耦聯(lián)性，雙塔的周期、振型不能簡(jiǎn)單地與某單塔的周期、振型對(duì)比，且在結(jié)構(gòu)設(shè)計(jì)時(shí)，需要同時(shí)計(jì)算單塔和雙塔，并進(jìn)行包絡(luò)設(shè)計(jì)；需要相應(yīng)地提高結(jié)構(gòu)的抗震性能目標(biāo)，適當(dāng)增加底盤的剛度，提高雙塔之間塔樓、裙房及地下室的抗震等級(jí)；控制塔樓豎向構(gòu)件的軸壓比，加大塔樓和裙房之間的樓板厚度和配筋以傳遞水平地震作用。

［關(guān)鍵詞］大底盤; 雙塔; 抗震性能設(shè)計(jì); 靜力彈塑性分析

中圖分類號(hào)：TU398.2      文獻(xiàn)標(biāo)識(shí)碼：A      文章編號(hào)：1002-848X(2014)16-0017-04

Structural design of super high-rise twin-tower with the large chassis

Wei Qiang1,2, Wu Renpeng 1

（1 Shandong Tongyuan Design Group Co., Ltd., Jinan 250000, China; 2 Department of Civil Engineering, Shandong Jianzhu University, Jinan 250101, China)

Abstract: The elastic analysis and Pushover analysis under the frequent earthquake were carried out on the super high-rise twin-tower with the large chassis. The results show that the vibration of the twin-tower with the large chassis has some correlativity. The period and vibration mode of the twin-tower can not be compared with that of any single-tower. The enveloping result of design should be carried out on single-tower and twin-tower. The seismic performance objectives of the structure need to be raised, and the seismic grades of the tower, the podium and the basement between the twin-tower should be raised. The axial compression ratio of vertical components should be controlled. The thickness and reinforcement of the slab between the tower and the podium should be increased to transfer the horizontal seismic action.

Keywords: large chassis; twin-tower; seismic performance design; Pushover analysis

作者簡(jiǎn)介：魏強(qiáng)，高級(jí)工程師，一級(jí)注冊(cè)結(jié)構(gòu)工程師，Email：wq950059@126.com。

參考文獻(xiàn)

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