1、12Part 1Evaluation Confined Concrete Strength&Strain3 Section DataVerification#1;Rectangular Section#1Analysis Model#1 Rebar DataMain RebarD13*16DC(Cover Concrete)30 mmHoop RebarD13(Space:100 mm)RC Design ParameterH300 mmB200 mmfco24.0 MPafys235.3596 MPa4 Unconfined Concrete DataVerification#1;Recta
2、ngular Section#2Unconfined Concrete Data24.0 cofMPa5,0005,000 24.024494.89 ccoEfMPa3.03740.00012424494.89ttcfE0.62 MPa=0.62 24.03.0374 tcoffMPa=0.002(User Defined)co Unconfined Concrete Strength Unconfined Concrete Strain Elastic Modulus of Concrete Tensile Strength of Concrete Tensile Strain of Con
3、crete5 Confinement Rebar Data in y-directionVerification#1;Rectangular Section#3Section Data20030*212.7/2*212.7/2*2 =165.4mmcb bc=梁宽梁宽(B)(B)保护层厚度保护层厚度(DCy(DCy*2)+2)+最外侧主筋直径最外侧主筋直径/2/2*2+2+横向钢筋直径横向钢筋直径/2*2 wxi=(梁宽梁宽(B)保护层厚度保护层厚度(DCy*2)/n 主筋直径主筋直径/2*220030*212.7/2*2=33.9667mm3yiw n=36 Confinement Reba
4、r Data in z-directionVerification#1;Rectangular Section#4Section Data30030*212.7/2*212.7/2*2 =265.4mmcd dc=梁宽梁宽(H)保护层厚度保护层厚度(DCz*2)+最外侧主筋直径最外侧主筋直径/2*2+横向钢筋直径横向钢筋直径/2*2 wyi=(梁宽梁宽(H)保护层厚度保护层厚度(DCy*2)/m 主筋直径主筋直径/2*230030*212.7/2*2=35.30mm5ziw m=57 Longitudinal Rebar DataVerification#1;Rectangular Secti
5、on#5Rebar Data 2027.150.046180165.4*265.4c cTotal Area of Rebar Datab d Rebar Number:16 Total Area of Rebars 22*12.701/2*16 2027.15mm cc8 General Confinement Rebar DataVerification#1;Rectangular Section#6Rebar Data Rebar Area:Asp Hoops Space:s 100mms 2213 ;*12.7/2 126.68mmDAsp Clear Hoops Space:s s-
6、12.7/2*2mm=87.3mms Total Area of Confinement Rebars:Asy,Asz22*=126.7*2=253.4mm*=126.7*2=253.4mmAsyAsp nyAszAsp nz9Verification#1;Rectangular Section#7Confinement Effectiveness Coefficient,Ke Area of Effective Concrete Core:Acc Total Area of Effectively Confined Core Concrete:Ae211 =165.4*265.4*(1-0.
7、046180)=41869.99mmcccccccccAAb d Ke22222221122116222 33.9667*32 35.30*587.387.3 165.4*265.41162*165.42*265.4 25011.18mmynzmyzec cccwwwwssAb dbd 25011.990.5973741869.99eeccAkA10Verification#1;Rectangular Section#8The Effective Lateral Confining Stress on the Concrete,fly&flz Confinement Rebar Yield S
8、trength:fyh235.3596 fyhMPa Ratio of the Volume of Transverse Confining Steel to the Volume of Confined Concrete Core253.40.009548265.4*100253.40.015320165.4*100syycszzcAd sAb s The Effective Lateral Confining Stress on the Concrete in the y,z direction 0.59737*0.009548*235.3596 1.34242 0.59737*0.015
9、320*235.3596 2.15394yhyheylye zlzfkffkf11Verification#1;Rectangular Section#9Confined Concrete Strength&Strain Confined Concrete Strength:fcc1212 ;1.342420.623242.15394llllfqfff4.9896.8860.606917.2756.37840qAq e3.89394.552.1610350.98490.63060.1qBeA1201.4636732.3484990.072842*24.02llcffxf10.9*0.15.59
10、7671*kABx01*1.0*24.0*(1.05.59767*0.07284)=33.78574cccffkx33.78574 1510.002*1510.00607724.0cccccocoff1)2)3)4)5)6)Confined Concrete Stain:cc12 Section DataVerification#2;Circular Section#1Analysis Model#2 Rebar DataMain RebarD13*10DC(Cover Concrete)30 mmHoop RebarD13(Space:100 mm)RC Design ParameterD4
11、00 mmfco24.0 MPafys235.3596 MPa13 Unconfined Concrete DataUnconfined Concrete Data24.0 cofMPa5,0005,000 24.024494.89 ccoEfMPa3.03740.00012424494.89ttcfE0.62 MPa=0.62 24.03.0374 tcoffMPa=0.002(User Defined)co Unconfined Concrete Strength Unconfined Concrete Strain Elastic Modulus of Concrete Tensile
12、Strength of Concrete Tensile Strain of ConcreteVerification#2;Circular Section#214 Confinement Rebar DataSection Data40030*212.7/2*212.7/2*2 =365.4mmsd ds=D 保护层厚度保护层厚度(DCy*2)+最外侧主筋直径最外侧主筋直径/2*2+横向钢筋直径横向钢筋直径/2*2Verification#2;Circular Section#315 Longitudinal Rebar DataRebar Data22 12670.0120823365.4
13、/2/2sTotal Area of Rebar Datad Rebar Number:10 Total Area of Rebars 22*12.7/2*10 1267mm ccVerification#2;Circular Section#416 General Confinement Rebar DataRebar Data Rebar Area:Asp Hoops Space:s 100mms 2213 ;*12.7/2 126.68mmDAsp Clear Hoops Space:s s-12.7/2*2mm=87.3mms Verification#2;Circular Secti
14、on#517Confinement Effectiveness Coefficient,Ke Area of Effective Concrete Core:Acc Total Area of Effectively Confined Core Concrete:Ae2221/21 =365.4/2*(1-0.0120823)=103597.1323mmcccccccsAAd Ke222 4287.3 365.481306.823mm42essAd81306.8230.784837103597.132eeccAkAVerification#2;Circular Section#621)Circ
15、ular Hoop ;422)Circular Spirals;42eesssAdsAd2 4287.3 365.4252.702mm42essAd18The Effective Lateral Confining Stress on the Concrete,fl Confinement Rebar Yield Strength:fyh235.3596 fyhMPa Ratio of the Volume of Transverse Confining Steel to the Volume of Confined Concrete Core44*126.70.013869365.4*100
16、spssAd s The Effective Lateral Confining Stress on the ConcreteVerification#2;Circular Section#7121 *0.784837*0.013869*235.35961.280932eslyhfkf19Confined Concrete Strength&Strain Confined Concrete Strength:fcc1212 ;1.280931.01.28093llllfqfff4.9896.8860.606917.2756.76418qAq e3.89394.552.2752850.98490
17、.63060.1qBeA1201.280931.280930.0533722*24.02llcffxf10.9*0.16.104961*kABx01*1.0*24.0*(1.06.10496*0.053372)=31.8200cccffkx31.82001510.002*1510.005258324.0cccccocoff1)2)3)4)5)6)Confined Concrete Stain:ccVerification#2;Circular Section#820 Section DataVerification#3;Rectangular Section#1Analysis Model#3
18、 Rebar DataMain RebarD13*20DC(Cover Concrete)30 mmHoop RebarD10(Space:100 mm)RC Design ParameterH300 mmB300 mmfco24.0 MPafys235.3596 MPa21 Unconfined Concrete DataVerification#3;Rectangular Section#2Unconfined Concrete Data24.0 cofMPa5,0005,000 24.024494.89 ccoEfMPa3.03740.00012424494.89ttcfE0.62 MP
19、a=0.62 24.03.0374 tcoffMPa=0.002(User Defined)co Unconfined Concrete Strength Unconfined Concrete Strain Elastic Modulus of Concrete Tensile Strength of Concrete Tensile Strain of Concrete22 Confinement Rebar Data in y-directionVerification#3;Rectangular Section#3Section Data30030*212.7/2*29.53/2*2
20、=232.23mmcb bc=梁宽梁宽(B)保护层厚度保护层厚度(DCy*2)+最外侧主筋直径最外侧主筋直径/2*2+横向钢筋直径横向钢筋直径/2*2 wxi=(梁宽梁宽(B)保护层厚度保护层厚度(DCy*2)/n 主筋直径主筋直径/2*230030*212.7/2*2=47.3mm4yiw n=423 Confinement Rebar Data in z-directionVerification#3;Rectangular Section#4Section Data dc=梁高梁高(H)保护层厚度保护层厚度(DCz*2)+最外侧主筋直径最外侧主筋直径/2*2+横向钢筋直径横向钢筋直径/2
21、*2 wyi=(梁高梁高(H)保护层厚度保护层厚度(DCy*2)/m 主筋直径主筋直径/2*230030*212.7/2*2=27.3mm6ziw m=630030*212.7/2*29.53/2*2 =232.23mmcb 24 Longitudinal Rebar DataVerification#1;Rectangular Section#5Rebar Data 2533.940.03685262.23*262.23c cTotal Area of Rebar Datab d Rebar Number:20 Total Area of Rebars 22*12.701/2*20 2533
22、.94mm cc25 General Confinement Rebar DataVerification#3;Rectangular Section#6Rebar Data Rebar Area:Asp Hoops Space:s 100mms 2210 ;*9.53/2 71.33mmDAsp Clear Hoops Space:s s-9.53/2*2mm=90.47mms Total Area of Confinement Rebars:Asy,Asz22*=71.33*2=142.66mm*=71.33*2=142.66mmAsyAsp nyAszAsp nz26Verificati
23、on#3;Rectangular Section#7Confinement Effectiveness Coefficient,Ke Area of Effective Concrete Core:Acc Total Area of Effectively Confined Core Concrete:Ae211 =262.23*262.23*(1-0.036850)=66230.598mmcccccccccAAb d Ke22222221122116222 47.30*42 27.30*690.4790.47 262.23*262.231162*262.232*262.23 44023.49
24、1mmynzmyzec cccwwwwssAb dbd 44023.4810.6647066230.573eeccAkA27Verification#3;Rectangular Section#8The Effective Lateral Confining Stress on the Concrete,fly&flz Confinement Rebar Yield Strength:fyh235.3596 fyhMPa Ratio of the Volume of Transverse Confining Steel to the Volume of Confined Concrete Co
25、re253.40.0054403262.23*100253.40.0054403262.23*100syycszzcAd sAb s The Effective Lateral Confining Stress on the Concrete in the y,z direction 0.664700*0.005440*235.3596 0.851094388 0.664700*0.005440*235.3596 0.851094388yhyheylye zlzfkffkf28Verification#3;Rectangular Section#9Confined Concrete Stren
26、gth&Strain Confined Concrete Strength:fcc1212 ;0.8510943881.00.851094388llllfqfff4.9896.8860.606917.2756.76418qAq e3.89394.552.2752850.98490.63060.1qBeA1200.8510943880.8510943880.035462*24.02llcffxf10.9*0.16.309651*kABx01*1.0*24.0*(1.06.30965*0.03546)=29.37011cccffkx29.37011 1510.002*1510.004237524.
27、0cccccocoff1)2)3)4)5)6)Confined Concrete Stain:cc29Verification#3;Rectangular Section#9Confined Concrete Strength&Strain Confined Concrete Strength:fcc1212 ;0.8510943881.00.851094388llllfqfff4.9896.8860.606917.2756.76418qAq e3.89394.552.2752850.98490.63060.1qBeA1200.8510943880.8510943880.035462*24.02llcffxf10.9*0.16.309651*kABx01*1.0*24.0*(1.06.30965*0.03546)=29.37011cccffkx29.37011 1510.002*1510.004237524.0cccccocoff1)2)3)4)5)6)Confined Concrete Stain:cc30Part 2Analysis Model31Verification#3;Rectangular Section#9Confined Concrete Strength&Strain Integration Point:3
