灌注桩配筋及承载力选用表.docx

1、灌注桩配筋及承载力选用表灌注桩配筋及承载力选用表华南理工大学建筑设计研究院201215下表为根据中华人民共和国行业标准建筑桩基技术规范 (JGJ94-2008的4.1.1条第1款所要求的最小配筋率配置的桩纵筋。桩径D(mm)桩截面面积2 (m )需要的最小配筋率(%)根据最小配筋 率配置的钢筋实际配筋率(%)纵筋间距(mm)3000.07070.6506120.9601003500.09620.6376120.7051254000.12570.6246140.7351504500.15900.6106160.7591755000.19640.5976160.6142005500.23760.5

2、846180.6432256000.28270.5717180.6302176500.33180.5578180.6132107000.38480.5449180.5952057500.44180.5318200.5692498000.50270.5189200.5632398500.56750.50410 200.5542329000.63620.49110 200.4942479500.70880.47811 200.48823910000.78540.46512 200.48023311000.95030.43814 200.46322312001.13100.41215 200.417

3、22913001.32730.38517 200.40222014001.53940.35918 200.36722615001.76720.33219 200.33823016002.01060.30620 200.31323517002.26980.27921 200.29123818002.54470.25321 200.25925319002.83530.22621 200.23326820003.14160.20025 180.20323821003.46360.20028 180.20622422003.80130.20025 200.20726323004.15480.20027

4、 200.20425524004.52390.20029 200.20124925004.90880.20032 200.20523526005.30930.20034 200.20123127005.72560.20031 220.20626328006.15750.20033 220.20425729006.60520.20035 220.20125130007.06860.20038 220.204239下表为根据广东省标准建筑地基基础设计规范 (DBJ15-31-2003)的10.3.9条第2款所要求的最小配筋率配置的桩纵筋。桩径D(mm)桩截面面积(m2)需要的最小配筋率(%)根据最

5、小配筋率配置的钢筋实际配筋率(%)纵筋间距(mm)3000.07070.6506120.9601003500.09620.6506120.7051254000.12570.6506140.7351504500.15900.6396160.7591755000.19640.6286180.7782005500.23760.6176180.6432256000.28270.6067180.6302176500.33180.5957200.6632397000.38480.5848200.6532307500.44180.5739200.6402228000.50270.5639200.563239

6、8500.56750.55210 200.5542329000.63620.54111 200.5432259500.70880.53010 220.53626310000.78540.51911 220.53225411000.95030.49713 220.52023912001.13100.47515 220.50422913001.32730.45316 220.45823414001.53940.43118 220.44422615001.76720.40920 220.43021916002.01060.38821 220.39722417002.26980.36622 220.3

7、6822818002.54470.34424 220.35922219002.83530.32225 220.33522620003.14160.30025 220.30323821003.46360.30028 220.30722422003.80130.30030 220.30022023004.15480.30026 250.30726524004.52390.30028 250.30425825004.90880.30031 250.31024326005.30930.30033 250.30523827005.72560.30035 250.30023328006.15750.300

8、38 250.30322329006.60520.30033 280.30826630007.06860.30035 280.305260 c =0.7，人工挖孔桩可取 c=0.8。C20(Fc =9.6MPa)时的桩顶轴向压力设计值 N(kN)桩径D(mm)屮C0.600.650.700.750.800.850.9030040744147550954357761135055460064769373978583140072478484490596510251086450916992106911451221129813745001131122513191414150816021696550136

9、814831597171118251939205360016291764190020362171230724436501911207122302389254827082867700221724012586277129563140332575025452757296931813393360538178002895313733783619386041024343850326935413813408643584630490390036643970427545804886519154979504083442347635104544457846124100045244901527856556032640

10、967861100547459306386684272997755821112006514705776008143868692299772130076458283892095571019410831114681400886796061034511084118221256113300150010179110271187512723135721442015268160011581125461351114476154421640717372170013074141641525316343174321852219611180014657158791710018322195432076521986190

11、016331176921905320414217752313624497200018096196042111222620241272563527143210019950216132327524938266012826329926220021896237202554527370291943101932844230023931259262792C29914319093390335897240026058282293040132572347443691539087250028274306313298735343376994005542412260030582331303567938227407754

12、332445872270032979357283847641224439724672149469280035467384234137944334472905024553201290038046412174438747558507285389957069300040715441084750150894542875768061073C25(Fc =11.9MPa)时的桩顶轴向压力设计值 N(kN)桩径D(mm)屮c0.600.650.700.750.800.850.9030050554758963167371575735068774480185991697310304008979721047112

13、211961271134645011361230132514191514160917035001402151916361752186919862103550169618381979212022622403254560020192187235525232692286030286502369256727642962315933563554700274829773206343536643893412275031543417368039434206446947328003589388841874486478550845383850405243894727506554025740607790045424

14、92152995678605664356813950506154835904632667487170759110005608607565427010747779448412110067857351791684829047961310178120080758748942110094(107677114401211313009477102671105711846126361342614216140010991119071282313739146551557116487150012617136691472015772168231787518926160014356155521674817945191

15、412033721534170016206175571890720258216092295924310180018169196832119722711242262574027254190020244219312361825305269922867930366200022431243002617028039299083177733647210024730267912885230913329743503437095220027142294033166533927361893845140712230029665321373460937081395534202544498240032301349923

16、7684j40376430684575948451250035048379694089C438114673149652525732600379084106744227473865054553704568632700408814428747694i511015450775791461321280043965476295129254956586206228365947290047161510915502158952628826681270742300050470546765888163087672937149975705桩径D(mm)屮c0.600.650.700.750.800.850.9030

17、060665770875880985991035082589496310321101116912384001078116812581348143815271617450136514781592170618191933204750016851825196521062246238725275502038220823782548271828883058600242626282830303232353437363965028473084332235593796403342717003302357738524127440346784953750379141064422473850545370568680

18、043134672503253915750611064698504869527456806086649268977303900545859136368682372787733818895060826589709576028109861691231000673973007862842389859547101081100815488339513101921087211551122311200970410512113211213012938137471455613001138812337132871423615185161341708314001320814309154091651017611187

19、111981215001516216426176891895320216214802274316001725118689201262156423002244392587717001947521098227212434425967275892921218002183323653254722729229111309313275019002432726354283813040932436344633649020002695529201314473369435940381864043221002971832194346713714739624421004457722003261535333380514

20、076943487462054892323003564838619415894456047531505015347224003881542050452841485195175354988582232500421174562749137526465615659666631762600455544935053146569426073864535683312700491255321957313614076550069594736882800528325723416163766040704427484579247290056673613956611870841755648028685009300060649657037075775811808658591990973桩径D(mm)屮c0.600.650.700.750.800.850.90300708767826885944100310623509641044112512051285136614464001259136414691574167917841889450159417261859199221252258239050019672131229524592623278729515502381257927772976317