Table 6 Height of neutral axis.

From: Experimental study on flexural behavior of bonded steel-concrete composite beams

Load/kN

60

120

180

210

240

300

Height of neutral axis (JL55-6)/mm

200.37

192.84

190.22

218.19

216.66

209.47

Height of neutral axis (SL55-10)/mm

164.95

160.12

158.85

159.69

169.36

174.79

Maximum compressive stress (JL55-6)/µε

−354.65

−709.32

−1066.99

−1246.94

−1454.41

−2554.96

Maximum compressive stress (SL55-10)/µε

−327.92

−664.78

−1004.58

−1198.64

−1536.12

−1741.26