Method for calculating reinforcing cage of reinforced concrete fixed pier
A technology of reinforced concrete and calculation method, which is applied in the field of reinforcement cage calculation of reinforced concrete fixed piers, can solve the problems of insufficient strength of sparsely distributed structures, too thick material diameter, too fine material diameter, etc., to achieve material saving, reasonable structure, Meet the firm and stable effect
Active Publication Date: 2018-09-28
TIANJIN THERMAL POWER DESIGNING INST
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Problems solved by technology
Due to the lack of scientific calculations in the selection of materials, the diameter of the selection of materials is too thick, and the distribution of materials is densely wasted. Similarly, the diameter of the selection of materials is too small, and the distribution of sparse structures is insufficient.
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[0063] Figure 3-4 It shows a cage-type reinforcing bar for the opening of a fixed pier of a direct-buried heating pipeline, and the fixed pier is composed of two parallel fixed joints 3, a steel mesh 2, and a cage-type reinforcing bar for the hole connected to the steel mesh 2 4. A reinforced concrete integral connector formed by pouring concrete on the base plate 5. The fixed joint 3 is a connecting pipe 31 with an annular flange 32 on the outside and two ends protruding across the opening of the front and rear end faces of the fixed pier. The steel bar The net 2 is lined inside the outer surface of the fixed pier, and the cage ribs 4 are formed by surrounding the fixed section 3 in the fixed pier body and arranged parallel and evenly distributed along the axial direction of the connecting pipe 31. The annular rib 41 is composed of a plurality of longitudinal ribs 42 surrounding the annular rib and affixed to the annular rib along the axial direction of the connecting pipe. ...
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The invention relates to a method for calculating a reinforcing cage of a reinforced concrete fixed pier. The fixed pier is a reinforced concrete integral connecting member formed by two parallel fixed joints, a reinforcing mesh and a cage reinforcing rib of a hole in connection with the reinforcing mesh by pouring concrete on a substrate, wherein the cage reinforcing rib is formed by a pluralityof annular ribs and a plurality of longitudinal ribs, wherein a plurality of the annular ribs are disposed around the fixed joint in the fixed pier body and parallelly and uniformly arranged along theaxial direction of a connecting pipe, and a plurality of the longitudinal ribs are fixedly connected to the annular ribs around the annular ribs along the axial direction of the connecting pipe. Themethod for calculating the reinforcing cage comprises the following steps: 1) determining the diameter of the rib ring of the annular ribs; 2) calculating the cross-sectional area and the number of the longitudinal ribs required to overcome the axial stress; 3) calculating the cross-sectional area of the annular ribs required to overcome the normal stress and the total number of annular ribs on both sides of an annular flange. The method for calculating the reinforcing cage of the reinforced concrete fixed pier in the invention has the advantages of scientific material selection, material saving, achievement of reasonable structural arrangement of the cage reinforcing ribs, ensuring of the overall strength of the fixed pier, and satisfaction of the firmness and stability of the heating pipe.
Description
technical field [0001] The invention relates to the technical field of fixed piers for direct-buried heating pipelines, in particular to a calculation method for a reinforcement cage of a reinforced concrete fixed pier. Background technique [0002] During the laying of direct buried heating pipelines, in order to maintain a firm structure, stable positioning, and no deformation, fixed piers must be set at a certain distance. Such as Figure 1-2 As shown, the traditional reinforced concrete fixed pier is a reinforced concrete integral connector formed by pouring concrete 1 on the base plate 5 by two fixed sections 3 arranged in parallel, a steel mesh 2 and the reinforcing bars of the opening connected to the steel mesh. Described fixed joint 3 is the connecting pipe 31 that the outer side has annular flange 32 and two ends stretch out across the opening of the front and rear end faces of the fixed pier. The reinforcement mesh 2 is lined inside the outer surface of the pier....
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IPC IPC(8): G06F17/50
CPCG06F30/20G06F2119/06
Inventor 王雅明
Owner TIANJIN THERMAL POWER DESIGNING INST