m m 30 m m a b Fig. 2 The skeleton graph of Tsinghua University Auditorium 3 1 GB GB 地 基 基

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1 檮 檮 檮 檮 檮 檮 檮 檮 檮 檮 檮 檮 檮 檮 檮 檮 檮 檮 檮 檮 檮 檮 檮 檮 檮 檮 檮 檮 * DOI /j. issn REINFORCEMENT AND REPAIR OF THE AUDITORIUM OF TSINGHUA UNIVERSITY Yang Haiyong Wang Xiaoxiao Long Fenjie Zhang Juan Tsinghua University Beijing China Abstract The Auditorium of Tsinghua University built in 1917 is a major historical and cultural site protected at the national level. Before Tsinghua s centennial anniversary in 2011 the auditorium had been comprehensively reinforced and repaired which aims to make up the defects and deficiencies of the original design and bring overall optimization through reinforcing the structure replacing deteriorated features enhancing enjoyment of the performance adjusting acoustic environment utilizing the underground space exhibiting the historical heritage improving the outdoor environment etc. Meanwhile the strengthening and reconstruction work tried to maintain the auditorium s original appearance and make the historical building adapt to modern functions and multiple activities demands from faculty and students. Keywords historical architecture reinforce reconstruct repair acoustics H. K. Murphy R. H. Dana 93 * yanghy1999@ yahoo. com. cn Industrial Construction Vol. 43,No. 8,2013 工 业 建 筑 2013 年 第 43 卷 第 8 期 Fig. 1 The Auditorium of Tsinghua University

2 m m 30 m m a b Fig. 2 The skeleton graph of Tsinghua University Auditorium 3 1 GB GB 地 基 基 础 加 固 Table 1 1 Physical and mechanical index of strata / E s /MPa w /% g cm - 3 e I L p 2 < σ V < p kpa p 2 < σ V < p kpa ~ ~ ~ ~ ~ ~ ~ f ak /kpa 清 华 大 学 大 礼 堂 的 加 固 改 造 杨 海 勇, 等 139

3 Fig. 3 3 The construction of light perfusion tubular steel pile ~ 800 mm1 m 1 ~ 2 m 2 C ~ 1. 5 m 1. 5 m SH mm Fig The practice of joints of the old and new foundation m m @ 140 工 业 建 筑 2013 年 第 43 卷 第 8 期 Fig 建 筑 物 结 构 加 固 Underpinning of the foundation 增 加 项 目

4 Table 2 2 Structure reinforcement scheme a b 6 Fig. 6 The cornice before and after the repair m 500 mm 25 mm 10 mm a b 7 15 mm Fig. 7 Roof glazed tile before and after the repair 120 mm 外 墙 面 修 复 屋 面 修 复 9 Fig. 9 a b 8 清 华 大 学 大 礼 堂 的 加 固 改 造 杨 海 勇, 等 141 Fig. 8 New waterproof of the roof a b Roof s gutter and dome repair

5 4. 3 内 装 修 修 复 m m 3 13 m 3 a b 10 Fig. 10 Indoor dome repair 室 外 环 境 修 复 mm 660 m 空 调 系 统 吸 声 降 噪 处 理 措 施 50 mm 4. 5 设 备 工 程 1 3 LED 防 火 设 计 /Hz 工 业 建 筑 2013 年 第 43 卷 第 8 期 观 众 厅 表 面 声 学 处 理 措 施 1 2 LED 100 mm m 2 Table 3 The test results of reverberation time /s /Hz /s

6 6. 1 铜 筑 立 灯 Fig. 12 Arched bridge 14 Fig The squared stone structure 6. 2 陈 梦 雷 故 居 Fig Copper floor lamp 12 1 / Fig. 14 Underground structure treatment program of the excavation site 清 华 大 学 大 礼 堂 的 加 固 改 造 杨 海 勇, 等 143

7 0. 3 < k < < k k > Greiner R. Greiner M 9 Manteldruck J. Stahlbau Manteldruck J 3 Steel Construction M. New York McGraw-Hill Donnell L H. Greiner McGraw Hill API STD 650 Welded Tanks for Oil Storage American Petroleum Institute Rotter J M Schmidt H. European Recommendations for Steel Construction Buckling of Shells M. Brussels European Convention for Constructional Steelwork Batdorf S B. A Simplified Method of Elastic Stability Analysis for Thin Cylindrical Shells J. NACA TN Ebner H. Theoretical and Experimental Investigations on Buckling of Cylindrical Tanks Subjected to External Pressure J. Stahlbau Flügge W. Stress in Shells M. 2nd ed. Berlin Spring Verlag Yamaki N. Elastic Stability of Circular Cylindrical Shells M. Amsterdam North-Holland Cylindrical Shells Under Uniform External Pressure G / /Teng J G Rotter J M.. London Spon Buckling of Thin Metal Shells 8 EN Eurocode 3 Design of Steel Structures Part 1. 6 Strength and Stability of Shell Structures Brussels CEN Resinger F Greiner R. Zum Beulverhalten von Kreiszylinderschalen Mit Abgestufter Wanddicke unter 10 Resinger F Greiner R. Praktische Beulberechnung Oberirdischer Zylindrischer Tankbauwerke für Unterdruck J. Stahlbau Greiner R. Ein Baustatisches Losungsverfarhen zur Beulberechnung Dunnwandiger Kreiszylinderschalen unter. Bauingenieur-Praxis Trahair N S Abel A Ansourian P et al. Structural Design of Steel Bins for Bulk Solids R. Sydney Australian Institute of 13 Brush D O Almroth B O. Buckling of Bars Plates and Shells Beams Plates and Shells M. New York 15 Schnell W. Einfluss der Randverw lbung auf die Beulwerte von Zylinderschalen unter Manteldruck J. Stahlbau Fakhim Y G Showkati H Abedi K. Experimental Study on the Buckling and Post-Buckling Behaviour of Thin-Walled Cylindrical Shells with Varying Thickness Under Hydrostatic Pressure C / / Proceedings of the International Association for Shell and Spatial Structures IASS. Valencia Spain Greiner R Rotter J M. Cylindrical Shells of Stepwise Variable Wall Thickness G / /Rotter J M Schmidt H. Stability of Steel Shells European Design Recommendations. Brussels European Convention for Constructional Steelwork DIN18800 Steel Structures Stability Buckling of Shells M. Berlin Deutsches Institut fuer Normung J J J GB GB J J GB GB 工 业 建 筑 2013 年 第 43 卷 第 8 期