Irregular steel tube concrete pole with steel bar reinforcement
A technology of special-shaped steel pipes and concrete columns, which is applied in the direction of columns, pier columns, pillars, etc., can solve the problems of poor seismic performance, low bearing capacity, and complex structure of special-shaped columns, and achieve high bearing capacity, simple structure, and improved ductility.
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specific Embodiment approach 1
[0012] Specific embodiment one: below in conjunction with Fig. 8 and Fig. 9 concrete description present embodiment, present embodiment is made of special-shaped steel pipe 1, steel bar stiffener 2 and inner filling concrete 4, the steel pipe filled with inner filling concrete 4 is special-shaped steel pipe 1, in The inner wall of the special-shaped steel pipe 1 is welded with reinforcing ribs 2 along the axial direction of the special-shaped steel pipe 1 . It also includes tension reinforcement bars 3 which are arranged between reinforcement ribs 2 . When the section size of the special-shaped steel pipe is increased, tension reinforcement bars 3 are added between the steel reinforcement ribs 2 inside the steel plates on each surface to effectively reduce the width-to-thickness ratio of the steel plates and enhance the cooperation between the steel pipe and the inner concrete 4 . The special-shaped steel pipe 1 of the present invention can be an L-shaped, T-shaped or ten-shap...
specific Embodiment approach 2
[0013] Specific embodiment two: below in conjunction with Fig. 1, Fig. 2 and Fig. 3 specifically illustrate this embodiment, this embodiment determines reasonable reinforcing bar type and diameter according to parameters such as special-shaped steel pipe cross section shape, steel plate wall thickness, utilizes reinforcing bar stiffener 2 One-sided or double-sided fillet welds are welded on the inner wall of the steel plate of the special-shaped steel pipe 1 along the axis of the special-shaped steel pipe 1, and the length of the reinforcing rib 2 is equal to that of the special-shaped steel pipe 1; Steel reinforcement ribs 2 are also arranged on the inside of the steel plate, and other components and connections are the same as those in Embodiment 1.
specific Embodiment approach 3
[0014] Specific embodiment three: The present embodiment will be described in detail below in conjunction with Fig. 4. In this embodiment, the steel plate of the special-shaped steel pipe 1 has a large width and thickness, and steel reinforcement ribs 2 are added inside the steel plates on each surface to reduce the width-to-thickness ratio of the steel plate and strengthen the connection between the steel pipe and the inner filler. The cooperative work of the concrete 4, and other composition and connection relations are the same as the specific implementation mode 1.
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