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(1 啟迪設(shè)計(jì)集團(tuán)股份有限公司, 蘇州 215021; 2 中建鐵路投資建設(shè)集團(tuán)有限公司, 南京 210019)

摘要: 宜興大覺(jué)寺藏經(jīng)樓屬于傳統(tǒng)風(fēng)格的山地建筑,針對(duì)基礎(chǔ)和上部結(jié)構(gòu)設(shè)計(jì)中的若干問(wèn)題進(jìn)行了分析和總結(jié).首先基巖的承載力較高,基礎(chǔ)采用了人工挖孔樁和挖孔墩基礎(chǔ),采用小直徑挖孔樁靜載檢測(cè)和巖石地基載荷試驗(yàn)相結(jié)合的方式對(duì)地基進(jìn)行了檢測(cè). 其次設(shè)計(jì)考慮了三面有土地下室對(duì)結(jié)構(gòu)嵌固端的影響,并從抗傾覆、抗滑移、抗浮力三個(gè)方面對(duì)結(jié)構(gòu)進(jìn)行了驗(yàn)算. 而后對(duì)位于邊坡上的柱按實(shí)際柱底標(biāo)高和適當(dāng)降低標(biāo)高進(jìn)行了包絡(luò)設(shè)計(jì),用大震靜力彈塑性分析薄弱柱墻,對(duì)損傷較重位置采取兩道防線設(shè)計(jì). 通過(guò)分析及驗(yàn)算總結(jié)出:山地建筑由于吊腳或掉層會(huì)形成豎向不規(guī)則,主體結(jié)構(gòu)應(yīng)盡量減少不規(guī)則類型,邊坡附近的建筑應(yīng)考慮不利地段可能產(chǎn)生的地震放大作用;傳統(tǒng)風(fēng)格建筑的復(fù)雜造型及構(gòu)造會(huì)導(dǎo)致結(jié)構(gòu)側(cè)向剛度不規(guī)則、樓板不連續(xù),甚至扭轉(zhuǎn)不規(guī)則,可通過(guò)合理設(shè)置柱、墻的截面、間距,使得全樓范圍的柱、墻軸壓比接近,質(zhì)心和剛心接近,進(jìn)而使結(jié)構(gòu)有更好的抗震抗扭轉(zhuǎn)性能.

關(guān)鍵詞: 山地建筑; 挖孔樁基礎(chǔ); 挖孔墩基礎(chǔ); 地基檢測(cè); 豎向不規(guī)則; 地震放大作用

中圖分類號(hào):TU318 文獻(xiàn)標(biāo)志碼:A 文章編號(hào):1002?848X(2022)07?0100?05

DOI:10. 19701 / j.jzjg.SZY2111

Design and analysis of structure on slopes for buddhist scripture library of Dajue Temple Building

BIAN Kejian1, TAN Qian1, YE Yongyi1, XIE Jinhui2

(1 Tus?Design Group Co., Ltd., Suzhou 215021, China;2 China State Railway Investment Construction Group Co., Ltd., Nanjing 210019, China)

Abstract:Yixing Dajue Temple Building belongs to the traditional style mountain building. Some problems in the design offoundation and upper structure were analyzed and summarized. First of all, the bedrock has a high bearing capacity, andthe foundation adopted artificial digging piles and digging piers foundation, which was tested by the combination of smalldiameter digging pile static load detection and rock foundation load test. Secondly, the design considered the influence ofthree?sided earth basement on the embedded end of the structure, and checked the structure from three aspects ofanti?overturning, anti?sliding and anti?floating. Then, the envelope design of the column on the slope was carried outaccording to the actual column base elevation and the appropriate reduction of the elevation. The weak columns and wallswere analyzed by the static elastic?plastic analysis under large earthquake, and two defense lines were adopted for thesevere damage position. Through the analysis and checking calculation, it is concluded that the vertical irregularity ofmountain building will be formed due to stilts or falling layers. The main structure should minimize the irregular types. Thebuilding near the slope should consider the possible seismic amplification effect of unfavorable sections. The complexmodeling and construction of traditional style building will lead to irregular lateral stiffness, discontinuous floor slab, andeven irregular torsion. By reasonably setting the section and spacing of columns and walls, the axial compression ratio ofcolumns and walls in the whole building have similar values, and the centroid and rigid center are close to overlap, so thatthe structure has better seismic and torsional performance.

Keywords: mountain building; digging piles foundation; digging piers foundation; foundation detection; verticalirregularity; seismic amplification effect

第一作者:卞克儉,學(xué)士,高級(jí)工程師,主要從事各類型工業(yè)、民用建筑的結(jié)構(gòu)設(shè)計(jì)及研究,Email:40426169@ qq.com.

[引用本文] 卞克儉,譚騫,葉永毅,等. 山地建筑宜興大覺(jué)寺藏經(jīng)樓結(jié)構(gòu)設(shè)計(jì)分析[ J]. 建筑結(jié)構(gòu),2022,52(7):100?104. BIAN Kejian,TAN Qian,YE Yongyi,et al. Design and analysis of structure on slopes for buddhist scripture libraryof Dajue Temple Building[J]. Building Structure,2022,52(7):100?104.