大家来看看此施工缝验算的问题

八度区的9层框剪结构，角部的墙由于窗子限制，比较短，计算结果显示施工缝超限，但是计算结果中的很多都貌似有问题，把数值代入公式，怎么可能出现负数？大家有没有遇到这种情况？？
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| 第 2 层配筋、验算 |
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** 施工缝验算超限
( 38)V= 571. > Fs=(0.6*fy*Ast+0.8*N)/Rre= -29.N= 1993. Ast= 7266.3
N-WC= 3 (I= 830 J= 840) B*H*Lwc(m)= 0.30* 1.05* 4.20
aa= 40(mm) Nfw= 1 Rcw= 45.0 Fy= 360. Fyv= 360. Fyw= 360. Rwv= 0.50
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** 施工缝验算超限
( 39)V= 504. > Fs=(0.6*fy*Ast+0.8*N)/Rre= 6.N= 1832. Ast= 6807.3
N-WC= 12 (I= 837 J= 841) B*H*Lwc(m)= 0.30* 1.05* 4.20
aa= 40(mm) Nfw= 1 Rcw= 45.0 Fy= 360. Fyv= 360. Fyw= 360. Rwv= 0.50
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** 施工缝验算超限
( 39)V= 460. > Fs=(0.6*fy*Ast+0.8*N)/Rre= 280.N= 1487. Ast= 6606.2
N-WC= 14 (I= 954 J= 955) B*H*Lwc(m)= 0.30* 0.85* 4.20
aa= 40(mm) Nfw= 1 Rcw= 45.0 Fy= 360. Fyv= 360. Fyw= 360. Rwv= 0.50
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** 施工缝验算超限
( 37)V= 240. > Fs=(0.6*fy*Ast+0.8*N)/Rre= 229.N= 1691. Ast= 7162.0
N-WC= 16 (I= 878 J= 880) B*H*Lwc(m)= 0.25* 1.00* 4.20
aa= 40(mm) Nfw= 1 Rcw= 45.0 Fy= 360. Fyv= 360. Fyw= 360. Rwv= 0.60
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** 施工缝验算超限
( 36)V= 240. > Fs=(0.6*fy*Ast+0.8*N)/Rre= 232.N= 1671. Ast= 7102.7
N-WC= 17 (I= 928 J= 930) B*H*Lwc(m)= 0.25* 1.00* 4.20
aa= 40(mm) Nfw= 1 Rcw= 45.0 Fy= 360. Fyv= 360. Fyw= 360. Rwv= 0.60
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** 施工缝验算超限
( 36)V= 119. > Fs=(0.6*fy*Ast+0.8*N)/Rre= -83.N= 1297. Ast= 4479.0
N-WC= 21 (I= 863 J= 864) B*H*Lwc(m)= 0.25* 0.73* 4.20
aa= 40(mm) Nfw= 1 Rcw= 45.0 Fy= 360. Fyv= 360. Fyw= 360. Rwv= 0.60
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** 施工缝验算超限
( 37)V= 118. > Fs=(0.6*fy*Ast+0.8*N)/Rre= -88.N= 1299. Ast= 4467.2
N-WC= 23 (I= 940 J= 941) B*H*Lwc(m)= 0.25* 0.73* 4.20
aa= 40(mm) Nfw= 1 Rcw= 45.0 Fy= 360. Fyv= 360. Fyw= 360. Rwv= 0.60
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** 施工缝验算超限
( 39)V= 498. > Fs=(0.6*fy*Ast+0.8*N)/Rre= 14.N= 1790. Ast= 6686.4
N-WC= 27 (I= 966 J= 977) B*H*Lwc(m)= 0.30* 1.05* 4.20
aa= 40(mm) Nfw= 1 Rcw= 45.0 Fy= 360. Fyv= 360. Fyw= 360. Rwv= 0.50
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** 施工缝验算超限
( 38)V= 562. > Fs=(0.6*fy*Ast+0.8*N)/Rre= -38.N= 1994. Ast= 7237.2
N-WC= 28 (I= 965 J= 970) B*H*Lwc(m)= 0.30* 1.05* 4.20
aa= 40(mm) Nfw= 1 Rcw= 45.0 Fy= 360. Fyv= 360. Fyw= 360. Rwv= 0.50
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** 施工缝验算超限
( 36)V= 184. > Fs=(0.6*fy*Ast+0.8*N)/Rre= -55.N= 1478. Ast= 5259.1
N-WC= 32 (I= 865 J= 866) B*H*Lwc(m)= 0.25* 0.75* 4.20
aa= 40(mm) Nfw= 1 Rcw= 45.0 Fy= 360. Fyv= 360. Fyw= 360. Rwv= 0.60
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** 施工缝验算超限
( 37)V= 182. > Fs=(0.6*fy*Ast+0.8*N)/Rre= -60.N= 1485. Ast= 5264.1
N-WC= 33 (I= 942 J= 943) B*H*Lwc(m)= 0.25* 0.75* 4.20
aa= 40(mm) Nfw= 1 Rcw= 45.0 Fy= 360. Fyv= 360. Fyw= 360. Rwv= 0.60
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