JPH0776975B2 - Reinforcement design support method - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for assisting a bar arrangement design of a beam-column joint in a reinforced concrete building.

[0002]

2. Description of the Related Art In a reinforced concrete structure (RC structure), a large number of reinforcing bars are arranged in beams and columns. The process of determining the size and reinforcement of reinforcing bars in beams and columns is called reinforcement design, and is the most important design process in the construction design of a structure for smooth reinforcement work on site. one of.

Conventionally, all of this rebar design is done by hand, and not only a huge amount of time is required for dimension calculation and drawing, but also due to an error in calculation and drawing, interference between rebars at the site and covering thickness. The above problem will occur, which violates the original design intention. As a result, it has been necessary to rework, and there has been a problem that the construction process is delayed and the construction cost is increased.

Particularly, the joint between the beam and the column is the portion where the reinforcing bars are the most intricate, and the bar arrangement is complicated, so that the above problems often occur.

[0005]

SUMMARY OF THE INVENTION The present invention solves the problems of the prior art and provides a design support method for accurately and promptly designing the bar arrangement of a beam-column joint.

[0006] The first concrete problem is to significantly automate conventional manual calculation and drawing.

The second problem is that when there are a plurality of joints,
It is to input data efficiently.

The third problem is to easily input the bar arrangement pattern on the screen.

The fourth problem is to easily and accurately input the dimension data on the screen.

The fifth problem is to automate the calculation and drawing of the rebar spacing.

[0011]

According to the present invention, by using a computer to input reinforcing bar design data and creating a bar map, the bar bar joint design can be largely automated. , The above problem is solved.

That is, a first aspect of the present invention is to input a reinforcing bar pattern for inputting a reinforcing bar pattern of a beam-column joint to a computer, a basic data inputting step for inputting data including a cover thickness to the computer, and a beam. , A dimension data input step of inputting data including the size of columns, beam reinforcements, and column reinforcements to the calculator, and a reinforcement map by the calculator based on the reinforcement pattern, basic data and dimension data input by the above-mentioned step. A reinforcing bar designing method having a reinforcing bar diagram creating step and.

A second aspect of the present invention is, when there are a plurality of beam-to-column joints, a reinforcing bar pattern input step while correcting the reinforcing bar pattern, basic data, and dimensional data that have already been input, The reinforcing bar design support method according to claim 1, wherein the basic data input step and the dimension data input step are repeatedly executed.

A third aspect of the invention is that the bar arrangement pattern input step is
3. The bar arrangement design support method according to claim 1 or 2, wherein an approximate bar arrangement position is selected on a grid-shaped pattern screen prepared in advance.

According to a fourth aspect of the invention, in the dimension data inputting step, the dimension data is selected on both sides of a dimension table prepared in advance, and the arrangement according to claim 1, claim 2 or claim 3. It consists of a muscle design support method.

In a fifth aspect of the present invention, the reinforcing bar drawing step is performed according to the reinforcing bar spacing determined by the cross-sectional size of the beam and column and the reinforcing bar size. The reinforcing bar design support method according to claim 3 or claim 4.

[0017]

As shown in FIG. 1, the present invention is configured mainly by a bar arrangement pattern inputting step 1, a basic data inputting step 2, a dimension data inputting step 3 and a bar arrangement drawing creating step 4. It The operation of each configuration will be described below.

First, the reinforcing bar pattern input step 1 is a step of inputting the number and arrangement of reinforcing bars at the joints of beams and columns to a computer as a reinforcing bar pattern. This bar arrangement pattern input step 1
On the grid pattern screen prepared in advance,
A method of selecting a general bar arrangement position is preferable.

Next, the basic data input step 2 is a step of inputting data including the fog thickness to the computer. The cover thickness is the shortest distance between the surface of the reinforcing bar and the surface of the concrete covering it, and is a basic condition for designing the bar arrangement.

The dimension data input step 3 is a step of inputting data including the cross-sectional dimensions of the beam and the column and the names of the beam reinforcement and the column reinforcement to the computer. This dimension data input step 3
Is preferably a method of selecting dimension data on a dimension table screen prepared in advance.

Finally, the bar arrangement drawing creating step 4 is a step of creating a bar arrangement drawing by a computer based on the bar arrangement pattern, the basic data and the dimension data inputted in the above-mentioned step. In the reinforcing bar drawing step 4, it is preferable that a database of the cross-sectional size of the beam and the column, the reinforcing bar spacing determined for each reinforcing bar size, etc. is created in advance, and the computer automatically draws the data in accordance with this.

When there are a plurality of beam-to-column joints, the bar arrangement pattern input step and the basic data input step are performed while the already input bar arrangement pattern, basic data, and dimension data are corrected. By repeatedly executing the dimension data input step and the dimension data input step, new data input is reduced.

[0023]

Embodiments of the present invention will be described in detail with reference to the drawings.

FIG. 2 is a perspective view of a beam-column joint portion.
In this way, the beam reinforcements and column reinforcements vertically and horizontally intertwine inside the joint, and it is not easy to create a detailed bar arrangement diagram. Figure 3
[Fig. 4] is a diagram schematically showing a joint portion of a beam and a column with a hexahedron. It is shown that the beam reinforcement is in the X and Y directions and the column reinforcement is in the Z direction, and reinforcement is performed in the mosaic-filled black portion. For the sake of convenience, in the embodiment, the beam reinforcements in the X direction and the Y direction are the first beam reinforcement and the second beam reinforcement, respectively.

FIG. 4 to FIG. 9 are views showing a reinforcing bar pattern input step. In FIG. 4, since the bar arrangement pattern is input,
The grid-like pattern screen prepared in advance is shown. FIG. 5 shows a step of inputting the number of beam streaks in one direction (X direction) and an approximate arrangement on the pattern screen. The input method is a selection operation on the screen with a light pen or a mouse in order to avoid troublesome key operations and input errors. The black cells in the figure represent the sequentially selected portions. In this embodiment, three upper and lower bars are laid against each other, but if necessary, the number of upper and lower reinforcing bars may be changed to arrange the bars asymmetrically.

FIG. 6 and FIG. 7 are diagrams showing the step of inputting the bar arrangement pattern in the other direction (Y direction). FIG. 6 is a display screen when the “beam 2” column on the right side of the screen is selected.
The bar arrangement pattern of the X direction seen from the direction is shown. FIG. 7 shows Y
The process of inputting the number of beam reinforcements in the direction and the schematic arrangement is shown. As with the X direction, the input method is a selection operation on the screen with a light pen, a mouse, or the like. The black cells in the figure represent the sequentially selected portions. Selecting the lower side of the X-direction reinforcing bar indicates that the Y-direction reinforcing bar is arranged below the X-direction reinforcing bar. In this embodiment, the reinforcing bars are arranged in two steps above and below as in the X direction. However, when the reinforcing bars are not limited to the two steps, the reinforcing bars may be arranged in three steps.

FIG. 8 and FIG. 9 are diagrams showing a step of inputting a bar arrangement pattern in the vertical direction (Z direction). FIG. 8 is a display screen when the “pillar” column on the right side of the screen is selected.
The bar arrangement pattern of the X direction and the Y direction seen from the direction is shown. FIG. 9 shows a step of inputting the number of column reinforcements in the Z direction and a schematic arrangement. As for the input method, similarly to the X direction / Y direction, a position that does not interfere with the X-direction / Y-direction bar arrangement is designated by a selection operation on the screen with a light pen or a mouse.

When the "Reduction" column on the right side of the screen in FIG. 9 is selected, the data of the concrete rebar positions input by the selection operation on the screen are discarded, and the number of rebars required for subsequent processing and the rebar mutual Data is compressed only to topological data that indicates the relative positional relationship of. The positions of the reinforcing bars input in FIG. 5 to FIG. 9 are selected from the approximate positions of the reinforcing bars, and the final positions of the reinforcing bars are obtained by calculating the intervals between the reinforcing bars in the bar arrangement drawing creating process. The specific rebar position data entered at the stage is unnecessary for the subsequent processing. Moreover, memory capacity can be saved by data compression, and by registering the bar arrangement pattern as a kind of shape description language, reuse for similar bar arrangement patterns becomes easy.

In the basic data input step, the fog thickness is input as 40 mm in advance, and Y is input when the value is the same as it is, and another value is input when it is necessary to change it. Although the basic data of the embodiment is only the cover thickness, other various conditions necessary for the reinforcement design can be included in the basic data.

10 to 14 are views showing the dimension data input step. FIG. 10 shows a step of selecting the width and length of the beam cross section from the screen table, and any cross section is selected by a selection operation on the screen with a light pen or a mouse. Similarly, FIG. 11 shows a step of selecting the width and length of the column cross section from the screen table. Figure 1
2 to 14 show the steps of selecting the sizes of the stirrups / belts, beam and columns from the screen table. The cases that can be selected are displayed in a list, and those that meet the requirements of structural design can be selected from this list, and contradictory selections that obviously do not meet the criteria such as reinforcing bar spacing can be prevented. By doing so, the efficiency of the bar arrangement design is improved.

Normally, since there are a plurality of types of joints between beams and columns, it is necessary to input data for the number of joints.
In this case, instead of newly inputting data every time, the reinforcing bar pattern input step, basic data input step, and dimension data are corrected while correcting the already input bar arrangement pattern, basic data, and dimension data. By repeating the input process, the efficiency of data input is improved. This operation can be expected to make the bar arrangement patterns to be newly input extremely rare when the database of the bar arrangement patterns is advanced.

Finally, FIGS. 15 to 18 show bar arrangements drawn by the bar arrangement drawing process.
Reference numerals 6 and 17 show bar arrangement views of the joint portion viewed from the X, Y, and Z directions, and FIG. 18 shows a bar arrangement view of the column portion. Based on the data input in each of the above-mentioned bar arrangement pattern input step, basic data input step, and dimension data input step,
The actual condition of the arrangement of the reinforcement is displayed on the screen, and the strength and rigidity of the structure can be checked again. Also, even if only a part of the screen can be displayed, all the data is stored inside the computer, so it is possible to scroll the screen to see the whole. Also, by outputting it as a drawing, it can be used as it is as a reinforcing bar construction drawing. This bar arrangement uses a database of the reinforcing bar spacing determined for each beam and column size and the reinforcing bar size in advance, and this reinforcing bar spacing, etc. It is based on the standard. In addition, each dimension is rounded in units of 5 mm so that there is no fraction, and the on-site construction is facilitated.

The present embodiment is a case of "middle pillar" where the beam and the pillar intersect, but similarly, "side pillar" where the beam and the pillar intersect in a T shape, and "corner where the beam and the pillar intersect at a corner". The present invention can be applied to each joint portion in the “pillar”.

[0034]

As described above, according to the present invention, it is possible to provide a design support method for accurately and promptly designing a bar arrangement at a joint portion between a beam and a column. Specifically, it is possible to greatly automate the conventional manual calculation and drawing, to efficiently input data when there are multiple joints, and to input the bar arrangement pattern on the screen. Easy to perform, dimension data can be input easily and accurately on the screen,
It has extremely excellent effects such as the calculation of rebar spacing and automation of drawing.

Further, according to the present invention, it is easy to provide the data for the bar arrangement material and the man-hour integration for the processing by the computer, and the bar arrangement diagram can be directly transmitted from the design department to the construction site by the data communication. Ancillary effects are also extremely large.

[Brief description of drawings]

FIG. 1 is a process drawing showing the constitution of the present invention.

FIG. 2 is a perspective view of a joint portion between a beam and a column.

FIG. 3 is a schematic diagram showing a joint portion of a beam and a column by a hexahedron.

FIG. 4 is an explanatory diagram showing a grid-like pattern prepared for inputting a bar arrangement pattern.

FIG. 5 is an explanatory diagram showing a step of inputting the number of beam reinforcements in the X direction and a schematic arrangement.

FIG. 6 is an explanatory diagram of a display screen when the column of “beam 2” on the right side of the screen is selected.

FIG. 7 is an explanatory diagram showing a process of inputting the number of beam reinforcements in the Y direction and a schematic arrangement.

FIG. 8 is an explanatory diagram of a display screen when the “pillar” column on the right side of the screen is selected.

FIG. 9 is an explanatory diagram showing a process of inputting the number of column reinforcements in the Z direction and a schematic arrangement.

FIG. 10 is an explanatory diagram showing a process of selecting the width and length of the beam cross section from the screen table.

FIG. 11 is an explanatory diagram showing a process of selecting the width and height of the column cross section from the screen table.

FIG. 12 is an explanatory diagram showing a process of selecting a size of stirrups / belt streaks from a screen table.

FIG. 13 is an explanatory diagram showing a process of selecting the size of a beam streak from the screen table.

FIG. 14 is an explanatory diagram showing a process of selecting a size of a column bar from a screen table.

FIG. 15 is a bar arrangement diagram viewed from the X direction of a joint portion.

FIG. 16 is a bar arrangement diagram viewed from the Y direction of a joint portion.

FIG. 17 is a bar arrangement diagram viewed from the Z direction of the joint portion.

FIG. 18 is a bar arrangement diagram of a column portion.

[Explanation of symbols]

 1 Bar arrangement pattern input process 2 Basic data input process 3 Dimension data input process 4 Bar arrangement diagram creation process

Claims (2)

[Claims] 1. A rebar pattern input step of inputting a rebar pattern of a joint between a beam and a column to a computer, a basic data input step of inputting basic data including a cover thickness to a computer, a beam, a column and a beam. A dimension data input step of inputting dimension data including the size of the streak and the column bar to the computer, and a layout diagram to be created by the computer based on the bar arrangement pattern, basic data and dimension data input in the step. A reinforcing bar design support method including a muscle diagram creating step, wherein the reinforcing bar pattern inputting step is characterized in that an approximate bar arrangement position is selected on a grid-like pattern screen prepared in advance. Reinforcement design support method. 2. When there are a plurality of beam-column joints, the bar arrangement pattern input step and the basic data input step are performed while correcting the bar arrangement pattern, basic data, and dimension data of the already input joints. 2. The reinforcing bar design support method according to claim 1, wherein the step of inputting and the step of inputting dimension data are repeatedly executed.