混凝土計算題和答案解析

.第3章l0Hm，ff2'cyN/mm2l，精品文檔放心下載0ff2c'N/y2l04.2m，4f'N/y2f2c精品文檔放心下載第4章fc，2ft1.27N/2,，fy300N/mm22．已知梁的截面尺寸為b××，混凝土強(qiáng)度等級為，精品文檔放心下載ft1.27N/2,fc11.9N/24的鋼精品文檔放心下載筋，即Ⅱ級鋼筋，fy30N/mm，A2；混凝土強(qiáng)度等級為，2sft1.71N/2,fc19.1N/24．已知梁的截面尺寸為b××，混凝土強(qiáng)度等級為，精品文檔放心下載ft1.71N/2,fc19.1N/2fy300N/mm，2φA,求感謝閱讀’2sAs，fc14.3N/2，fy300N/mmφA2sφ6A=感謝閱讀’2sT，精品文檔放心下載fc14.3N/2，縱向鋼筋采用級鋼筋，..f2精品文檔放心下載360N/mmyAa精品文檔放心下載Ss．T精品文檔放心下載，fc14.3N/，2fy360N/mm，a2s謝謝閱讀8ftd1.23N/,f11.5N/，22cd，fsdN/M2d第5章1×感謝閱讀fff感謝閱讀222tcyv感謝閱讀謝謝閱讀fff感謝閱讀222tcyv感謝閱讀為fff精品文檔放心下載222tcyv2和2的f精品文檔放心下載y第7章1bh300mm400mm,謝謝閱讀l03.0m,asa'35fcs=用ff,N=M=感謝閱讀’2yybhmmmmasa's35，..fc級，ff’yyA'sAs,le謝謝閱讀200a=af，感謝閱讀’2sscffm，精品文檔放心下載’2yy第8章lq精品文檔放心下載0kψ精品文檔放心下載q4l精品文檔放心下載0感謝閱讀4N。謝謝閱讀kwlim0.2謝謝閱讀為4M?精品文檔放心下載k謝謝閱讀第3章．l0Hm，ff2'cyN/mm2感謝閱讀由l0/b3600/40090.99A'sA's1N12650103(f)(14.3400400)1906mm23600.90.99f0.9c'yA'1.2%'s'A0.6%的選，A'1964mm2s3.0%，精品文檔放心下載..lff20c'N/y2]感謝閱讀l0.8250bA'sA''s1N12100000(f)(14.3400400)1801mm2'3000.90.825fcyA'1.1%''sA0.6%選6，A'1884mm2s188418014.6%精品文檔放心下載1801l04.2m，4f'N/y2f2c感謝閱讀）求l4200則0b30014.0，由表得0.92NuNu0.9(fcAf)0.9300300300804)ys1265kN900kN滿足要求）第4章fc，ft1.27N/2,，fy300N/mm2h050035465mm1ffcyAs及M1fbx(hc0x/2)得As..6x精品文檔放心下載A2sx=186mm<bh0As1475.60.2%min23A2s2．已知梁的截面尺寸為b××，混凝土強(qiáng)度等級為，精品文檔放心下載ft1.27N/2,fc11.9N/2級fy300N/mm2級fy360N/mm.2sMfbh2c01251061.011.9200465211s112s1-2s)12AsM/fysh06104420.858418,As2As0.2%min2）As/。24的鋼謝謝閱讀筋，即Ⅱ級鋼筋，fy30N/mm，A2；混凝土強(qiáng)度等級為，2sft1.71N/2,fc19.1N/2解：f，f，f精品文檔放心下載222ctyh謝謝閱讀0..As0.26%293min2則f1yfc0.00773001.019.10.121b0.55，滿足適用條件。10.51.019.125041520.12110.5Mfbh感謝閱讀2u1c093.49KNmM89KN，安全。感謝閱讀4．已知梁的截面尺寸為b××，混凝土強(qiáng)度等級為，謝謝閱讀ft1.71N/2,fc19.1N/2fy300N/mm，2φA謝謝閱讀,求’2sAs'941M'fa6m謝謝閱讀Ah''ys0則MMM33010114.310215.710m精品文檔放心下載'6661Ah。精品文檔放心下載0s1M'fbh2c0215.71060.2921.019.1200440211112感謝閱讀sb11112ss謝謝閱讀A1M'215.710619862fh3000.823440ys0AsAs1As22927.02φA2s，fc14.3N/2，fy300N/mmφA2sφ6A=感謝閱讀’2sfff。感謝閱讀2’2cyy由表知，混凝土保護(hù)層最小厚度為，故a247.5，h0由式1fbxfcyA''sfyA，得s..fAf'A'3001473300402xmmhysysfb1.014.3200b01c0.55352.5194mm2a'24080mm謝謝閱讀Mu1fbxhc0xf2yA''sha'01.014.3112.3352.5352.540感謝閱讀112.3

2132.876N6N謝謝閱讀精品文檔放心下載xT，fc14.3N/2fy360N/mm2Aa謝謝閱讀Ssfc14.3N/；f2y360N/mma；21b0.518。Ta1fbcfhf(h0hf2)1.014.3(6402)597.17106Nmm597.17kNmM700kNm感謝閱讀TA。SasMa1fcb'fa1b)h'ffbh2c0(h0h'f)24=7001061.014.3(600300)120(6401.014.330064021202)112as112bASa1fbhc0a1ffcyb'fb)h'f..1.014.31.014.3(600300)3428mm2ФФA）謝謝閱讀S．T精品文檔放心下載，fc14.3N/2fy360N/mm2，as由表查得，fc14.3N/；f2yN/2；a1；b0.518A。Sh0has70070630mmT5a1fb'cfh'f1.014.3600100858000NfyASNNTM。uxfyASafb'1cfafb1cb)h'f1.014.3(600250)1.014.3xhb00.518630326.34mmMua1fbx(hc0hx')ab)h')fb'(hf221cff01.014.3156.56(630156.56)1.014.3(600250)(630)22599.09106Nmmm感謝閱讀..Mmu感謝閱讀度等級為，ftd1.23N/,f11.5N/，鋼筋采用，22cdfsdN/2Mdr01.0,fcd11.5N/2,ftd1.23N/2,fsdN/2,0.56bfftdsd1.23380.167取0.167%a，hs0。rM0dfbx(h0x)2x611.5x(435)謝謝閱讀2x或648.9mm取x221.1mmhb00.56435243.6mmASfbxfAffsd11.5200221.12фAф感謝閱讀2S實(shí)cmm。S23(202)423nAs02.2%2000.167%第5章1×謝謝閱讀..fff精品文檔放心下載222tcyvhwh0465mm,h4651.864wb250fβ謝謝閱讀22cukc0.25cfbhc00.2519.6250465279000NV180000N0.7fbht00.71.125046589512.5NV(180000N),故需要進(jìn)行配V0.7fbht01.25fyvnA1hs0則nA1mm2/mms250.3nA0.838可以）1s120sv250.3nA0.335%1bs250120svmin0.24ftfyv1.10.240.126%210sv可以)2×謝謝閱讀fff感謝閱讀222tcyv精品文檔放心下載為fff謝謝閱讀222tcyv2和2的f謝謝閱讀2y..V11(5.40.24)154.8220hwh0465mm,h4651.864wb250fβ感謝閱讀22cukc0.25cfbhc00.2519.6250465279000NV0.7fbht00.71.125046589512.5NV,21以感謝閱讀Vsb0.8Asbfsinys20.8380.1360N謝謝閱讀2VVV15480077406.177393.9NVcs0.7fbht01.25fyvnA1hs0250.3

89512.51.25210465

200精品文檔放心下載150910.0N77393.9N)謝謝閱讀V2.580.48150910.0N第7章..1bh300mm400mm,謝謝閱讀l03.0m,asa'35fcs=用ff,N=M=謝謝閱讀’2yyeee0M235.26N3ea20mmeie0ea58820608mm10.5fA0.516.73004002.5051.0cN4001031.01l0h30004001521l210eih121400h01114006083657.521.01.0241.024eeih2as787.7ei1.024608622.6mm0.3h00.3365109.5mm和AA'ssN1fbhc0..AsAs'N400103700.2190.192fbh1.016.73003653651c0Ne10.5fbh2''1c0fhay0s400103787.71.016.73003652(0.2190.50.219)3602037mm2bh0.002300400240mm2'minAsA's2bhmmmmasa's35，fc級，ff’yyA'sAsle。感謝閱讀200eeie0h20取ea20mmeie0ea10020120mm1.0取1l0h360040091521.01l210eih121400h0111400120365921.01.01.1761.01.176eeih2as1.1762306.12..0.5b(hfhhAA))ff)(h2aM''e1cb0b0ysyssbbf'fNfh'AAobb1cb0ysys0.51.011.92000.550365(4000.5500.5(300226300226)(4002感謝閱讀1.011.920