影响系数K1和K0的值 影响系数 梁位 0 B/4 K1 B/2 3B/4 B 0 B/4 B/2 3B/4 B B 0.928 1.067 1.3 1.54 1.833 0.72 1.56 2.4 3.376 4.44 3B/4 0.98 1.11 1.247 1.417 1.567 0.898 1.46 2.098 2.78 3.4 B/2 1.004 1.113 1.198 1.25 1.3 1 1.35 1.78 2.1 2.492 荷载位置 B/4 0 1.05 1.095 1.117 1.047 1.002 1.105 1.087 1.124 1.28 1.4 1.46 1.599 1 0.96 0.902 1.2 1.116 0.997 0.918 0.74 -B/4 1.05 0.998 0.901 0.833 0.767 1.124 0.9 0.65 0.388 0.148 -B/2 1.004 0.9 0.804 0.733 0.65 1 0.64 0.248 -0.156 -0.552 -3B/4 0.98 0.833 0.733 0.65 0.59 0.898 0.36 -0.16 -0.576 -1.061 -B 0.928 0.783 0.667 0.573 0.502 0.72 0.14 -0.542 -1.148 -1.8 校核 8.091 8.043 7.8685 8.0045 8.0305 7.964 7.956 7.942 8.028 8.086

K0

影响系数K和K的值

梁号

算式 K1=0.2KB+0.8K3B/4 K0=0.2KB+0.8K3B/4 K1-K0 (K1-K0)√α K=K0+(K1-K0)√α η =K/5 K1=0.6KB/2+0.4KB/4 K0=0.6KB/2+0.4KB/4 K1-K0 (K1-K0)√α K=K0+(K1-K0)√α η =K/5 K1=K10 K0=K00 K1-K0 (K1-K0)√α K=K0+(K1-K0)√α η =K/5

表4. ①号、②号和③号梁的横向影响线坐标值 荷载位置 B 3B/4 B/2 B/4 0 -B/4 1.5986 1.447 1.26 1.1014 0.9484 0.8198 3.5888 -1.9902 2.904 -1.457 2.1784 -0.9184 1.4878 -0.3864 0.8824 0.066 0.34 0.4798

-B/2 0.7164 -0.2352 0.9516

-3B/4 0.638 -0.673 1.311

-B 0.5588 -1.2784 1.8372

1

-0.14449 -0.10578 -0.06668 -0.02805 0.004792 0.034833 0.069086 0.095179 0.133381 3.444311 2.798222 2.111724 1.459747 0.887192 0.374833 -0.16611 -0.57782 -1.14502 0.688862 0.559644 0.422345 0.291949 0.177438 0.074967 -0.03322 -0.11556 -0.229 1.2068 1.1922 1.164 1.048 1.0188 0.9398 0.8424 0.773 0.7134 2.064 -0.8572 1.8428 -0.6506 1.608 -0.444 1.352 -0.304 1.0446 -0.0258 0.75 0.1898 0.4048 0.4376 0.048 0.725 -0.2692 0.9826

2

-0.06223 -0.04723 -0.03223 -0.02207 -0.00187 0.013779

0.03177 0.052635 0.071337

2.001767 1.795566 1.575766 1.32993 1.042727 0.763779 0.43657 0.100635 -0.19786 0.400353 0.359113 0.315153 0.265986 0.208545 0.152756 0.087314 0.020127 -0.03957 0.928 0.98 1.004 1.05 1.095 1.05 1.004 0.98 0.928 0.72 0.208 0.898 0.082 1 0.004 1.124 -0.074 1.2 -0.105 1.124 -0.074 1 0.004 0.898 0.082 0.72 0.208

3

0.015101 0.005953

0.00029 -0.00537 -0.00762 -0.00537

0.00029 0.005953 0.015101

0.735101 0.903953 1.00029 1.118628 1.192377 1.118628 1.00029 0.903953 0.735101 0.14702 0.180791 0.200058 0.223726 0.238475 0.223726 0.200058 0.180791 0.14702

主梁尺寸 /mm

h 120

hf 2000 I

H 1500 Ix

b 180 Jx

215604000 Iy Jy

ax 488400 441.4496

抗弯惯性矩 /mm 横隔梁尺寸 /mm4

85235604487 0.085236 0.4735311 l 8000 c 2335 λ 0.291875 0.6471875 1511.1828

√α 0.0726