超限高層建筑抗震設(shè)計(jì)可行性論證報(bào)告可編輯

1、超限高層建筑抗震設(shè)計(jì)可行性論證報(bào)告 深圳市廣海投資有限公司 Shenzhen GuangHai Investment Co. Ltd漢國(guó)城市商業(yè)中心 Hon Kwok City Commercial Center 超限高層建筑抗震設(shè)計(jì)可行性論證報(bào)告 Feasibility Study Report for High-riseBuilding Structure Exceeding Code Limits ISSUE 1 深圳市廣海投資有限公司 Shenzhen GuangHai Investment Co. Ltd漢國(guó)城市商業(yè)中心 Hon Kwok City Commercial Center

2、超限高層建筑抗震設(shè)計(jì)可行性論證報(bào)告Feasibility Study Report for High-riseBuilding Structure Exceeding Code Limits設(shè)計(jì)單位 Prepared bySkidmore, Owings & Merrill LLP San Francisco, California, USA2008年 10月 18日 October 18, 2008Job number 207023 深圳市廣海投資有限公司 漢國(guó)城市商業(yè)中心 超限高層建筑抗震設(shè)計(jì)可行性論證報(bào)告Shenzhen GuangHai Investment Co. Ltd Hon K

3、wok City Commercial Center Feasibility Study Report for High-rise Building Structure Exceeding Code Limits 7.8 抗傾覆驗(yàn)算和整體穩(wěn)定驗(yàn)算 39 目錄 7.9 主要構(gòu)件驗(yàn)算 39頁(yè)數(shù) 7.10 彈性時(shí)程分析 42 8. ETABS與 SATWE分析結(jié)果的對(duì)比 45 1. 引言 1 8.1 模型質(zhì)量 45 1.1 項(xiàng)目概況 1 8.2 振型和周期 45 1.2 報(bào)告簡(jiǎn)介 1 8.3 基底剪力 45 8.4 地震層間位移 46 2. 設(shè)計(jì)依據(jù) 2 8.5 風(fēng)荷載層間位移 46 2.1 設(shè)計(jì)規(guī)

4、范 2 8.6 總結(jié) 46 2.2 工程技術(shù)文檔 3 9. 結(jié)構(gòu)問(wèn)題專項(xiàng)研究 47 3. 材料 4 9.1 結(jié)構(gòu)體系研究 47 3.1 混凝土 4 9.2 伸臂桁架中震驗(yàn)算 51 3.2 鋼筋 4 9.3 屋頂桁架研究 51 3.3 結(jié)構(gòu)鋼材 5 9.4 特殊樓板分析 52 9.5 風(fēng)荷載作用下舒適度 53 4. 荷載作用與設(shè)計(jì)要求 6 9.6 徐變與收縮分析 56 4.1 樓面荷載 6 9.7 施工階段分析 57 4.2 雪荷載 6 9.8 剪力墻中震和大震下受拉檢查 58 4.3 風(fēng)荷載 7 9.9 柱子大震下受拉檢查 59 4.4 地震作用 8 9.10 抗浮驗(yàn)算 60 4.5 作用效應(yīng)

5、組合 13 9.11 由徐變和收縮沉降在梁內(nèi)引起的附加彎矩 61 4.6 驗(yàn)算要求 14 4.7 基礎(chǔ)作用效應(yīng)組合 16 10. 罕遇地震彈塑性時(shí)程分析 65 4.8 結(jié)構(gòu)構(gòu)件耐火極裉 16 10.1 分析目的 65 10.2 彈塑性時(shí)程分析方法 65 5. 場(chǎng)地工程地質(zhì)與水文地質(zhì)條件 17 10.3 罕遇地震下的性能要求 66 5.1 地形地貌 17 10.4 彈塑性時(shí)程分析結(jié)果 66 5.2 地質(zhì)構(gòu)造 17 5.3 地層構(gòu)成與巖土工程特性 17 11. 總結(jié) 68 5.4 場(chǎng)地穩(wěn)定性和地震效應(yīng) 175.5 地基設(shè)計(jì)參數(shù) 18 附錄 A 建筑初步設(shè)計(jì)圖紙 5.6 地下水 18 附錄 B 結(jié)構(gòu)

6、初步設(shè)計(jì)圖紙 5.7 基礎(chǔ)選型建議 19 5.8 總結(jié) 19 附錄C Etabs模型平面圖與荷載圖 附錄D Etabs輸入輸出文本文件 6. 結(jié)構(gòu)體系與控制參數(shù) 20 6.1 塔樓 20 附錄E SATWE主要輸入輸出數(shù)據(jù) 6.2 結(jié)構(gòu)超限檢查與超限措施 23 附錄 F 伸臂桁架和屋頂桁架計(jì)算 6.3 地下室 25 附錄 G 特殊樓板分析 6.4 基礎(chǔ) 26 附錄 H 風(fēng)舒適度研究參考資料 7. ETABS彈性分析 28 附錄 I 徐變與收縮分析 7.1 分析軟件與假定 28 7.2 周期與振型 30 附錄 J 徐變與收縮引起的梁內(nèi)附加彎矩 7.3 層間位移角 31 附錄 K 彈塑性時(shí)程分析由

7、 RBS完成 7.4 地震剪重比 33 7.5 框架承擔(dān)的地震剪力比 34 附錄 L 其它驗(yàn)算 7.6 扭轉(zhuǎn)位移比 36 7.7 樓層側(cè)向剛度 38 深圳市廣海投資有限公司 漢國(guó)城市商業(yè)中心 超限高層建筑抗震設(shè)計(jì)可行性論證報(bào)告Shenzhen GuangHai Investment Co. Ltd Hon Kwok City Commercial Center Feasibility Study Report for High-rise Building Structure Exceeding Code Limits 8.1 Model Mass 45 CONTENTS 8.2 Modes a

8、nd Periods 458.3 Base Shear 45Page 8.4 Inter-story Drift In Earthquake 46 8.5 Inter-story Drift In Wind Load 46 1. INTRODUCTION 1 8.6 Summary 46 1.1 Outline of the Project 1 1.2 Contents of the Report 1 9. STUDIES ON VARIOUS STRUCTURAL ISSUES 47 9.1 Study on Structural System 47 2. DESIGN BASIS 2 9.

9、2 Moderate Earthquake Check for Outriggers 51 2.1 Design Codes 2 9.3 Roof Truss Study 51 2.2 Project Technical Documents 3 9.4 Special Diaphragm Slab Analysis 52 9.5 Comfortability in Wind Load 53 3. MATERIAL DATA 4 9.6 Creep and Shrinkage Analysis 56 3.1 Concrete 4 9.7 Construction Stage Analysis 5

10、7 3.2 Reinforcement 4 9.8 Walls Tension Check in Moderate Earthquake and Rare Earthquake 58 3.3 Structural Steel 5 9.9 Columns Tension Check in Rare Earthquake 59 9.10 Hydrostatic Uplift Checks 60 9.11 Additional Moments in Beams due to Creep and Shrinkage Settlement 61 4. LOADING AND DESIGN CRITERI

11、A 6 4.1 Floor Loads 6 4.2 Snow Loads 6 10. ELASTIO-PLASTIC TIME-HISTORY ANALYSIS IN RARE EARTHQUAKE 65 4.3 Wind Loads 7 10.1 Aim of Elasto-plastic Time-history Analysis 65 4.4 Earthquake Action 8 10.2 Analysis Method 65 4.5 Design Load Combination 13 10.3 Performance Objectives in Rare Earthquake 66

12、 4.6 Design Criteria 14 10.4 Key Results of Time-history Analysis 66 4.7 Foundation design load combination 16 4.8 Fire Resistance for Structural Elements 16 11. SUMMARY 685. GEOTECHNICAL AND HYDROLOGICAL CONDITIONS 175.1 Topography 17 Appendix A Architectural Design Development Drawings 5.2 Tectoni

13、c Setting 17 5.3 Stratigraphy and Geotechnical Characteristics 17 Appendix B Structural Design Development Drawings 5.4 Geotechnical Stability and Seismic Effects 17 Appendix C Etabs Framing Plans and Loading Plans 5.5 Foundation Design Parameters 18 5.6 Hydrology 18 Appendix D Etabs Input and Outpu

14、t Text File 5.7 Suggestion on Foundation Selection 19 Appendix E Key SATWE Input and Output Data 5.8 Summary 19 Appendix F Outrigger and Roof Truss Calculations 6. STRUCTURAL SYSTEM AND MAJOR PARAMETERS 20 Appendix G Special Diaphragm Slab Analysis 6.1 Main Tower 20 6.2 Code Exceeding Aspects and St

15、ructural measures 23 Appendix H Reference for Wind Acceleration Study 6.3 Basement 25 Appendix I Creep and Shrinkage Analysis 6.4 Foundation 26 Appendix J Additional Moments in Beams due to Creep and Shrinkage 7. ETABS ELASTIC ANALYSIS OF THE STRUCTURE 28 Appendix K Elasto-plastic Time-history Analy

16、sis by RBS 7.1 Software and Assumptions 28 Appendix L Miscellaneous Checks 7.2 Periods and Modal Shapes 30 7.3 Inter-story Drift 317.4 Seismic Shear-Weight Ratios 33 7.5 Moment Frame Shear Ratios 34 7.6 Torsion Ratio 36 7.7 Story Lateral Stiffness 38 7.8 Check for Overturning Moment and Global Stabi

17、lity 39 7.9 Check of Key Members 39 7.10 Elastic Time-history Analysis 42 8. COMPARISON OF SATWE AND ETABS RESULTS 45 深圳市廣海投資有限公司 漢國(guó)城市商業(yè)中心 超限高層建筑抗震設(shè)計(jì)可行性論證報(bào)告Shenzhen GuangHai Investment Co. Ltd Hon Kwok City Commercial Center Feasibility Study Report for High-rise Building Structure Exceeding Code Li

18、mits 1. 引言 SOM 及深圳方佳建筑設(shè)計(jì)有限公司受甲方深圳市廣海投資有限公司委任為漢國(guó)城市商業(yè)中心提供設(shè)計(jì)服務(wù)。SOM 將負(fù)責(zé)主塔樓、裙房及地下室的結(jié)構(gòu)設(shè)計(jì)至初步設(shè)計(jì)階段。方佳為國(guó)內(nèi)設(shè)計(jì)單位,在初步設(shè)計(jì)階段提供咨詢服務(wù),在初步設(shè)計(jì)完成后負(fù)責(zé)施工圖設(shè)計(jì)。方佳在初步設(shè)計(jì)階段將完成人防部分的設(shè)計(jì)。 廣州容柏生建筑工程設(shè)計(jì)事務(wù)所(RBS)受業(yè)主委托做為設(shè)計(jì)咨詢方,將在設(shè)計(jì)及施工過(guò)程中提供咨詢意見(jiàn),并且負(fù)責(zé)對(duì)結(jié)構(gòu)進(jìn)行彈塑性動(dòng)力時(shí)程分析。 1.1 項(xiàng)目概況 漢國(guó)城市商業(yè)中心項(xiàng)目位于深圳市福田區(qū)深南路與福明路交叉路口,為一座超高層綜合樓,地上共 75層(包括避難層及夾層),地下五層,主樓主要結(jié)構(gòu)屋頂

19、高 311.9米,頂部另有裝飾性桁架結(jié)構(gòu),其頂部高 329.4 米。地下室做為商場(chǎng)、停車以及機(jī)電設(shè)備用房,其中地下 5 層局部區(qū)域設(shè)置戰(zhàn)時(shí)人防地下室。裙房為 6層,屋頂高 30米,結(jié)構(gòu)與塔樓連為一體。 1.2 報(bào)告簡(jiǎn)介 本報(bào)告包含了結(jié)構(gòu)初步設(shè)計(jì)與計(jì)算的依據(jù)、主要假定、設(shè)計(jì)方法以及主要結(jié)果。由于本項(xiàng)目屬于超限高層建筑結(jié)構(gòu),報(bào)告中提出了超限應(yīng)對(duì)措施,并且針對(duì)若干結(jié)構(gòu)問(wèn)題進(jìn)行了專項(xiàng)分析。 結(jié)構(gòu)初步設(shè)計(jì)初期中,邀請(qǐng)了一些結(jié)構(gòu)設(shè)計(jì)專家對(duì)結(jié)構(gòu)體系進(jìn)行了討論,并提出了一些意見(jiàn)。在設(shè)計(jì)深入中根據(jù)這些意見(jiàn)對(duì)結(jié)構(gòu)設(shè)計(jì)進(jìn)行了相應(yīng)的調(diào)整,詳見(jiàn)第 6.2節(jié)以及第 9節(jié)。 1. INTRODUCTION Skidmore

20、, Owings & Merrill LLP SOM and Shenzhen Fangjia Architectural Design Co., Ltd. Fangjia were appointed by Guanghai Investment to design the Hon Kwok City Commercial Center. SOM will be responsible for the design of the main tower, the podium and basement to Development Design DD stage. Fangjia will a

21、ct as the China Local Design Institution, before and during the DD stage to provide advice on design and responsible for the construction drawings design stage after DD. During the DD stage, Fangjia will also be responsible for the design of bomb shelter area in the basementGuangdong RBS Architectur

22、al Engineering Design Associates RBS is appointed by Client as the design consultant for this project. They will provide consultancy service during the design and construction of the project, and is responsible for the elasto-plastic time-history analysis of the structure1.1 Outline of the Project T

23、he Hon Kwok City Commercial Center is located in the Futian District, at the crossing of ShenNanAvenue and FuMing Road. It is a super-high-rise complex with 75 stories including refuge floors and mezzanines above grade and 5 stories below grade. The height of the structure at the main structural 1.2

24、 Contents of the Report roof is 311.9m, with decorative roof trusses reaching 324.9m. The basement serves as retail, garage and mechanical rooms, with part of the B5 level as a bomb shelter for war time. There is a 6-story podium, This report includes the basis, main assumptions, design methods and

25、key results of the Structural which is 30m tall and structurally connected to the main TowerDesign Development. Relevant structural measures in response to the code exceeding aspects are proposed, and results of studies on several structural issues are presentedAt the early stage of the design, a gr

26、oup of eminent structural experts were invited for a discussion on the structural system for this building. The comments from this discussion were studied and relevant adjustments to the structural design were made in the DD design process based on these commentsDetails of these adjustments are list

27、ed in Sections 6.2 and Section 9 of the reportD:Zhao-fan LIProjects207023 Hon KwokDesign Report20081017 EPRHonKwok_EPR_Report_20081018_ISSUE 1b.doc Page 1 Skidmore, Owings & Merrill LLP Issue 1 October 18, 2008深圳市廣海投資有限公司 漢國(guó)城市商業(yè)中心 超限高層建筑抗震設(shè)計(jì)可行性論證報(bào)告Shenzhen GuangHai Investment Co. Ltd Hon Kwok City C

28、ommercial Center Feasibility Study Report for High-rise Building Structure Exceeding Code Limits 2. DESIGN BASIS 2. 設(shè)計(jì)依據(jù) 2.1 設(shè)計(jì)規(guī)范 2.1 Design Codes 本發(fā)展項(xiàng)目按中國(guó)國(guó)家已頒布之各規(guī)范及廣東、深圳地方規(guī)范進(jìn)行設(shè)計(jì),國(guó)家規(guī)范主要包括: The design will comply with current code of practices in China and Guangdong / Shenzhen. National codes mainly

29、include: 1 建筑結(jié)構(gòu)設(shè)計(jì)術(shù)語(yǔ)和符號(hào)標(biāo)準(zhǔn)GB/T50083-97 1 General definitions & symbols Architectural DesignGB/T50083-97 2 建筑抗震設(shè)防分類標(biāo)準(zhǔn)GB50223-2008 2 Standard for classification of seismic protection of Buildings GB50223-2008 3 工程結(jié)構(gòu)設(shè)計(jì)基本術(shù)語(yǔ)和通用符號(hào) GBJ132-90 3 General definitions & symbols Structural Design GBJ132-90 4 建筑結(jié)構(gòu)可

30、靠度設(shè)計(jì)統(tǒng)一標(biāo)準(zhǔn)GB 50068-2001 4 Unified Standard for Reliability Design of Building Structures GB 50068-2001 5 建筑結(jié)構(gòu)荷載規(guī)范(2006年版) GB50009-2001 5 Load Code for the Design of Building Structures rev 2006 GB50009-2001 6 建筑抗震設(shè)計(jì)規(guī)范(2008年版) GB50011-2001 6 Code for Seismic Design of Buildings Rev. 2008GB50011-2001 7

31、混凝土結(jié)構(gòu)設(shè)計(jì)規(guī)范 GBJ50010-2002 7 Code for Design of Concrete StructuresGBJ50010-2002 8 鋼結(jié)構(gòu)設(shè)計(jì)規(guī)范 GB50017-2003 8 Code for Design of Steel StructuresGB50017-2003 9 Specification for Civil Defence Basements GB 50038-2005 9 人民防空地下室設(shè)計(jì)規(guī)范GB 50038-2005 10 Technical Code for Waterproofing of Underground Works GB 5010

32、8-2001 10 地下工程防水技術(shù)規(guī)范GB 50108-2001 11 Code for Design of Building Foundation GB50007-2002 11 建筑地基基礎(chǔ)設(shè)計(jì)規(guī)范GB50007-2002 12 Technical Code for Waterproof in Underground Engineering GB50108-2001 12 地下工程防水技術(shù)規(guī)范GB50108-2001 13 Code for Fireproof in Design of Highrise Buildings rev 2005 GB50045-95 13 高層民用建筑設(shè)計(jì)防

33、火規(guī)范2005年版 GB50045-95 14 Technical Specification for Steel Structure of Tall Buildings JGJ99-98 14 高層民用建筑鋼結(jié)構(gòu)技術(shù)規(guī)程JGJ99-98 15 Technical Specification for Box and Raft FoundationJGJ6-99 15 高層建筑箱形與筏形基礎(chǔ)技術(shù)規(guī)范 JGJ6-99for Tall Buildings 16 建筑樁基技術(shù)規(guī)范 JGJ94-2008 16 Specification for Pile Foundation of Buildings

34、JGJ94-2008 17 高層建筑混凝土結(jié)構(gòu)技術(shù)規(guī)程JGJ3-2002 17 Technical Specification for Tall Reinforced Concrete Buildings JGJ3-2002 18 型鋼混凝土組合結(jié)構(gòu)技術(shù)規(guī)程JGJ138-2001 18 Technical Specification for Steel Reinforced JGJ138-2001 19 鋼管混凝土結(jié)構(gòu)設(shè)計(jì)與施工規(guī)程 CECS28:90 Concrete Composite Structures 20 建筑鋼結(jié)構(gòu)防火技術(shù)規(guī)范CECS200:2006 19 Specificati

35、on for Design and Construction of CFT Structures CECS28:90 20 Technical Code for Fireproof of Building Steel Structure CECS200:2006廣東省以及深圳地方規(guī)范包括: Guangdong and Shenzhen codes include: 1 建筑地基基礎(chǔ)設(shè)計(jì)規(guī)范DBJ15-31-2003 1 Code for Design of Building Foundation DBJ15-31-2003 2 廣東省實(shí)施高層建筑混凝土結(jié)構(gòu)技術(shù)規(guī)程 2 Supplemental

36、 regulation to implement JGJ3-2002 JGJ3-2002補(bǔ)充規(guī)定 DBJ/T15-46-2005 in Guangdong Province DBJ/T15-46-2005 3 建筑防水工程技術(shù)規(guī)程DBJ15-19-2006 3 Specification for waterproof engineering of constructionDBJ15-19-2006D:Zhao-fan LIProjects207023 Hon KwokDesign Report20081017 EPRHonKwok_EPR_Report_20081018_ISSUE 1b.do

37、c Page 2 Skidmore, Owings & Merrill LLP Issue 1 October 18, 2008深圳市廣海投資有限公司 漢國(guó)城市商業(yè)中心 超限高層建筑抗震設(shè)計(jì)可行性論證報(bào)告Shenzhen GuangHai Investment Co. Ltd Hon Kwok City Commercial Center Feasibility Study Report for High-rise Building Structure Exceeding Code Limits In cases where elements are not covered by Chines

38、e Standards, reference to the following standards will 如結(jié)構(gòu)設(shè)計(jì)部分不包括在中國(guó)規(guī)范之內(nèi),則參考 be made1 美國(guó) ? 國(guó)際建筑規(guī)范IBC-2006 1 US ? International Building CodeIBC-2006 2 美國(guó) ? 統(tǒng)一建筑規(guī)范UBC-1997 2 US ? Uniform Building Code UBC-1997 3 美國(guó) ? 房屋抗震加固設(shè)計(jì)標(biāo)準(zhǔn)及注釋 FEMA 356 3 Prestandard and Commentary for the Seismic Rehabilitation o

39、f Buildings FEMA356 4 美國(guó)? NEHRP新建建筑及結(jié)構(gòu)抗震設(shè)防條例建議 NEHRP 1997 4 NEHRP Recommended Provisions for Seismic RegulationNEHRP 1997for New Buildings and other Structures2.2 工程技術(shù)文檔 設(shè)計(jì)依據(jù)還包括業(yè)主提供的場(chǎng)地巖土勘察設(shè)計(jì)報(bào)告、場(chǎng)地地震安全性評(píng)價(jià)報(bào)告、風(fēng)洞試驗(yàn)報(bào)告等2.2 Project Technical Documents 文件。 Design basis also includes the site geotechnical inv

40、estigation report, site seismic hazard assessment 1 漢國(guó)城市商業(yè)中心巖土工程詳細(xì)勘察報(bào)告 GK2008-11,深圳巖土工程公司,2008年 7月; report and wind tunnel report2 漢國(guó)城市商業(yè)中心工程場(chǎng)地地震安全性評(píng)價(jià)報(bào)告,廣東省地震工程試驗(yàn)中心,2008年 7月; 1 Hon Kwok City Commercial Center Geotechnical Investigation Report GK2008-11, Shenzhen Geotechnical Engineering Co. Ltd., 20

41、08.07; 3 深圳漢國(guó)城市商業(yè)中心工程風(fēng)洞試驗(yàn)報(bào)告,汕頭大學(xué)風(fēng)洞實(shí)驗(yàn)室,2008年 10月。 2 Hon Kwok City Commercial Center Site Seismic Hazard Assessment Report, GuangDong Seismic Engineering Test Center, 2008.07; 3 Hon Kwok City Commercial Center Wind Tunnel Test Report, Wind Tunnel Laboratory of Shan Tou University, 2008.10 D:Zhao-fan L

42、IProjects207023 Hon KwokDesign Report20081017 EPRHonKwok_EPR_Report_20081018_ISSUE 1b.doc Page 3 Skidmore, Owings & Merrill LLP Issue 1 October 18, 2008深圳市廣海投資有限公司 漢國(guó)城市商業(yè)中心 超限高層建筑抗震設(shè)計(jì)可行性論證報(bào)告Shenzhen GuangHai Investment Co. Ltd Hon Kwok City Commercial Center Feasibility Study Report for High-rise Bu

43、ilding Structure Exceeding Code Limits 3. MATERIAL DATA 3. 材料 3.1 混凝土 3.1 Concrete 結(jié)構(gòu)構(gòu)件所選用之混凝土將不低于 C30,按 GB50010-2002材料參數(shù)如下: Grade of concrete for structural components shall not be less than C30, according to GB50010-2002 the design parameters are as follows: 強(qiáng)度種類 標(biāo)準(zhǔn)值 設(shè)計(jì)值 彈性模量 MPa MPa Concrete Stan

44、dard Design Youngs ModulusEc MPa Grade Value MPa Value Ec MPa fck ftk fc ftMPa 4C30 20.1 2.01 14.3 1.43 3.00 x 10 fck ftk fc ft44C35 23.4 2.20 16.7 1.57 3.15 x 10 C30 20.1 2.01 14.3 1.43 3.00 x 10 44C40 26.8 2.39 19.1 1.71 3.25 x 10 C35 23.4 2.20 16.7 1.57 3.15 x 10 44C45 29.6 2.51 21.1 1.80 3.35 x

45、10 C40 26.8 2.39 19.1 1.71 3.25 x 10 44C50 32.4 2.64 23.1 1.89 3.45 x 10 C45 29.6 2.51 21.1 1.80 3.35 x 10 44C60 38.5 2.85 27.5 2.04 3.60 x 10 C50 32.4 2.64 23.1 1.89 3.45 x 10 44C70 44.5 2.99 31.8 2.14 3.70 x 10 C60 38.5 2.85 27.5 2.04 3.6 x 10 44C80 50.2 3.11 35.9 2.22 3.80 x 10 C70 44.5 2.99 31.8

46、 2.14 3.70 x 104C80 50.2 3.11 35.9 2.22 3.80 x 10 3.2 鋼筋鋼筋材料應(yīng)符合中國(guó)規(guī)定 GB50010-2002。 直徑 標(biāo)準(zhǔn)值,fyk 設(shè)計(jì)值,fy,fy 3.2 Reinforcement鋼筋種類 符號(hào) 彈性模量,EsMPa mm MPa MPa All reinforcement complies with Chinese Standard GB50010-20025HPB235 820 235 210/ 210 2.1x10 Design Standard Youngs Modulus,5Type Symbol Dia mm Value,

47、f ,f HRB335 650 335 300/ 300 2.0 x10 y yValue,f MPa E MPa yksMPa 5HRB400 650 400 360/ 360 2.0 x10 5HPB 235 820 235 210/ 210 2.1x10 注:常用鋼筋直徑為 6, 8, 10, 12, 14, 16, 18, 20, 22, 25, 28及 32 36, 40及 50mm需預(yù)定。 5HRB335 650 335 300/ 300 2.0 x10 5HRB400 650 400 360/ 360 2.0 x10 混凝土保護(hù)層最小厚度mm Note: Bar size inc

48、rement 6, 8, 10, 12, 14, 16, 18, 20, 22, 25, 28 and 32 36, 40 and 50mm require一類環(huán)境 二 a 類環(huán)境 迎水面 special ordering鋼筋 板、墻 梁 柱 基礎(chǔ)、地下室外墻、頂板 Minimum Concrete Cover mm 15 25 30 縱向受力 50* Class 1 Environmental Class 2a Environmental Condition Condition 10 15 15 箍筋、分布筋及構(gòu)造筋 50* Rebar Slab, Beam Column Foundatio

49、n, Basement * 保護(hù)層厚大于 40mm,應(yīng)加上細(xì)直徑鋼筋網(wǎng)片。 Wall Wall, Roof Main Bar 15 25 30 50* Links, Distribution & 10 15 15 50* Others * For cover more than 40mm, wire mesh will be providedD:Zhao-fan LIProjects207023 Hon KwokDesign Report20081017 EPRHonKwok_EPR_Report_20081018_ISSUE 1b.doc Page 4 Skidmore, Owings &

50、Merrill LLP Issue 1 October 18, 2008深圳市廣海投資有限公司 漢國(guó)城市商業(yè)中心 超限高層建筑抗震設(shè)計(jì)可行性論證報(bào)告Shenzhen GuangHai Investment Co. Ltd Hon Kwok City Commercial Center Feasibility Study Report for High-rise Building Structure Exceeding Code Limits 3.3 結(jié)構(gòu)鋼材 3.3 Structural Steel 結(jié)構(gòu)用鋼材將采用中國(guó)之標(biāo)準(zhǔn)鋼材,其設(shè)計(jì)值如下: All structural steel wo

51、uld be Chinese Standard with the mechanical properties as follow: 3.3.1 鋼材的物理性能指針 3.3.1 Mechanical Properties for Structural Steel 線膨脹系數(shù) 質(zhì)量密度 彈性模量 E 剪變模量 G Coefficient for3 Density Elastic Modulus E Shear Modulus G MPa MPa (以每C計(jì)) (kg/m ) thermal expansion 3MPa MPa (kg/m ) (C) 3 3 -67850 20610 7910 1

52、210 3 3 ? 620610 7910 1210 78503.3.2 鋼材強(qiáng)度設(shè)計(jì)值MPa3.3.2 Structural Steel Design Strength MPa抗拉、抗壓 抗剪 端面承壓 鋼 材 Tensile, 和抗彎 (刨平頂緊) Bearing Steel 牌 號(hào) 厚度或直徑mm Compressive and f Shear (Flat Comfort fy/f f vceThickness or Bending f Surface) vGrade 16 235/215 125 325 Diameter mm f f / f y ce1640 225/205 120 325 16 235/215