China Journal of Highway and Transport

Effect of Web Key Tooth Inclination on Mechanical Properties of a Segmental Assembled Box Girder

Xiang-yan FAN, Lai-jun LIU, Fang-wen WU, Meng DU, Li-guo ZHAO

China Journal of Highway and Transport, 2024, 37(1): 91-106. DOI: 10.19721/j.cnki.1001-7372.2024.01.008

混凝土种类	抗压强度/MPa	弹性模量/MPa	重度/（kN·m^－3）
C50混凝土	51.2	3.45×10⁴	25.0
C30灌浆料	32.2	3.0×10⁴	20

Table 1 Concrete Mechanical Properties

Other figure/table from this article

Fig. 1 Prototype Size Drawing of Test Beam (Unit: mm)
Fig. 2 Two Types of Key Teeth Arrangement and Dimensional Drawings (Unit: mm)
Fig. 3 Test Beam Construction Drawing (Unit: mm)
Fig. 4 Test Procedure
Table 2 Properties of Zhongde Xinya Epoxy Resin Adhesive
Fig. 5 Steel Beam Layout (Unit: mm)
Fig. 6 Measurement Points Layout
Fig. 7 Loading Diagram
Table 3 Summary of Test Results
Fig. 8 S1 Test Beam Damage Diagram
Fig. 9 S2 Test Beam Damage Diagram
Fig. 10 S3 Test Beam Damage Diagram
Fig. 11 S4 Test Beam Damage Diagram
Fig. 12 Segmental Beam Damage Joint Section Key Teeth Damage Pattern
Fig. 13 Load-displacement Curves
Fig. 14 Displacement Curves
Fig. 15 Load-crack Width
Fig. 16 Segmental Beam Load-prestressed Tendon Stress Curves
Fig. 17 Test Beam Load-concrete Strain Curves
Fig. 18 Uniaxial Stress-strain Curve of Concrete
Fig. 19 Three-dimensional Finite Element Solid Model
Table 4 Comparison Between Tested Results and Predicted Results
Fig. 20 Vertical Displacement Load Comparison for Test and Finite Element
Fig. 21 Stress Nephogram of Male and Female Key Teeth of Segmental Beam (Unit: MPa)
Fig. 22 Calculation Chart
Table 5 Comparison Between the Calculation on Results and the Test Results