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Automatic reinforcement distribution algorithm for three kinds of load-bearing steel bars on single side of underground diaphragm wall

A technology for underground diaphragm walls and stressed steel bars, applied in calculation, sheet pile walls, marketing, etc., can solve the problems of uncertainty in layout results and lack of uniform standards, and achieve the effect of improving design efficiency and accuracy

Pending Publication Date: 2022-03-11
SHANGHAI TUNNEL ENGINEERING RAILWAY TRANSPORTATION DESIGN INSTITUTE
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  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, there are many ways to arrange the three kinds of stressed steel bars on one side of the underground diaphragm wall, and there is no uniform standard. The result of the arrangement has great uncertainty depending on the experience and preference of the designer.

Method used

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  • Automatic reinforcement distribution algorithm for three kinds of load-bearing steel bars on single side of underground diaphragm wall
  • Automatic reinforcement distribution algorithm for three kinds of load-bearing steel bars on single side of underground diaphragm wall
  • Automatic reinforcement distribution algorithm for three kinds of load-bearing steel bars on single side of underground diaphragm wall

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Embodiment

[0148] Example: such as Figure 1-24 As shown, this embodiment relates to an automatic reinforcement algorithm for three kinds of stressed steel bars on one side of an underground diaphragm wall. The algorithm includes the following steps:

[0149] (1) Preset eleven types of stress reinforcement arrangement schemes for three kinds of reinforcement (No. 1 reinforcement, No. 2 reinforcement and No. 3 reinforcement) in the underground diaphragm wall;

[0150] (2) The diameter D of the preset No. 1 steel bar 1 Same as the thickness h of the underground diaphragm wall and the spacing a of No. 1 steel bar 1 The associated default value table;

[0151] (3) Preset the cut-off sequence table of the steel bar type for the first time, the type of steel bar for the second time cut-off and the type of the layout scheme of the stressed steel bar;

[0152] (4) According to the default value table in step (2), input the thickness h of the underground diaphragm wall and the spacing a of No. 1...

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Abstract

The invention discloses an automatic reinforcement algorithm for three types of load-bearing steel bars on one side of an underground diaphragm wall, which comprises the following steps of: establishing a bending moment envelope diagram of the underground diaphragm wall, and solving the maximum reinforcement section steel bar area; trial calculation is carried out according to the set 11 kinds of load-bearing steel bar arrangement mode sequence, and a proper steel bar arrangement mode is selected; after the arrangement mode of the steel bars is selected, the maximum actually-assembled steel bar area is calculated; sequentially cutting off the reinforcing steel bars according to a reinforcing steel bar cutting sequence table, respectively solving the maximum bearing capacities of the remaining reinforcing steel bars after the reinforcing steel bars are cut off for the first two times, finding out the elevation positions of the small remaining reinforcing steel bars in the bending moment envelope diagram of the underground diaphragm wall, and respectively taking the elevation positions as the starting point and the ending point of the cutting-off of the reinforcing steel bars; the distance of the anchoring length deviating from the starting point and the ending point to the top and the bottom of the underground continuous wall respectively serves as the actual cut-off point of the cut-off steel bars, the starting point position of the third cut-off steel bars is 50 mm below the elevation of the top of the underground continuous wall, and the ending point position of the third cut-off steel bars is 1000 mm above the elevation of the bottom of the underground continuous wall.

Description

technical field [0001] The invention relates to the technical field of arrangement of deep steel bars, in particular to an automatic reinforcement algorithm for three types of stressed steel bars on one side of an underground diaphragm wall. Background technique [0002] At present, there are many ways to arrange the three kinds of stressed steel bars on one side of the underground diaphragm wall, and there is no uniform standard. The arrangement results are subject to great uncertainty depending on the experience and preference of the designer. At the same time, the truncation methods of the three stressed steel bars are also various, which mainly depend on the design experience of the designer. Therefore, there is an urgent need for a design scheme that can provide standardized and normalized reinforcement arrangement. Contents of the invention [0003] The purpose of the present invention is to provide an automatic reinforcement algorithm for three types of stressed st...

Claims

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Application Information

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IPC IPC(8): G06Q30/02G06Q30/06G06F16/9536G06F16/9538E02D5/18
CPCG06Q30/0255G06Q30/0277G06Q30/0631G06F16/9536G06F16/9538E02D5/187
Inventor 陈鸿楼葭菲刘虎奚程磊李冬梅李新星季应伟陈正杰余俊杰李立陈建琴刘思铖
Owner SHANGHAI TUNNEL ENGINEERING RAILWAY TRANSPORTATION DESIGN INSTITUTE
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