JPS5961645A - Constitution of reinforced beam - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed Description of the Invention] This invention relates to a method for configuring a reinforcing girdle, and is applicable when reinforcement is required for a specified original beam formed with an external cross-sectional size that falls within a standard range stipulated for buildings in general. , we provide reinforcement beams that can be easily and effectively reinforced while maintaining the same size without changing the size, thereby maintaining a standard installation state, systemizing the installation and securing the design value. It was also intended to achieve standardization of the original beams throughout the building.

Figure 1 shows the standard height of 200 mm for the entire building.
A standard original beam (A) with a W11R1 width of 100 fins is shown, and the beam (A) with the external cross-sectional size is now placed between the upper and lower wall panels ill 111 with a wall thickness of 100 rpm, and the exterior plate (2) is attached to its outer surface. It is assembled and configured. This assembly condition is standard for steel-framed buildings, so there is no need to worry about the connection relationship, and it also allows for common beams and optimal fitting of the exterior panels (2), resulting in systematization and design of the fitting. It is possible to secure the value of the product.

However, this is just a case of using a standard frame; in reality, there are various types of frames, such as constructing a frame with the east and west beams having a longer span than the others in order to make the first floor a large hall, or constructing a special frame with a setback overhang type. In such cases, vertical or horizontal loads or torsional loads often act in the middle of the beam, and when such loads are applied, the external dimensions of the beams that are affected and the beams that are not affected are made to be exactly the same size. Naturally, a huge force is applied to the former beam, so it becomes necessary to deal with it.

3 In such cases, reinforcement is often performed by installing small beams perpendicular to the beams on which heavy loads are applied in order to balance the strength of the building as a whole, but in reality there is a requirement to install an atrium or stairs there. For this reason, this small beam reinforcement method cannot be adopted in all cases, and in such cases, it is natural to make only the necessary beams larger than the standard size, or to replace the H-shaped specified original beam (A). Another method is to use a steel pipe type that is strong in the lateral direction.

In the former method, for example, the height is the same and the width is 1, as shown in Figure 2.
It seems that it would be possible to use the beam (A) increased to 50 mm, but in reality, the relationship with other beams and other connecting members would be disrupted, making it impossible to systemize the fit. Since the exterior board (2) protrudes beyond the surface of the panel 111, there are many problems in terms of design, including the disadvantage that it is impossible to standardize the beams.

On the other hand, in the case of the latter, steel pipes are used as constituent members in addition to H-beam steel, which also causes problems in systematization, and there are problems in adopting it in terms of commonality and other aspects.

This invention was created in consideration of these facts, and therefore, the feature here is that it is a standard original structure that is formed with an external cross-sectional size that can be adapted to fit within the standard range prescribed for buildings in general. The reinforcing beam is formed by joining reinforcing attachment members in the groove space so as to maintain the standard fitting relationship with other members.

The present invention will be explained below based on the illustrated embodiments.

FIGS. 3 and 4 show one embodiment, and (A) shows the first embodiment.
The original beam (A) shown in the figure is a standard beam made of H-shaped steel with a width of 100mm.This original beam (A) fits in the center white of wall panel +11 as shown in Figure 1, and the relationship with other beams of the same size is shown. The exterior board (2) is horizontally wrinkled on the same surface as the panel without being changed.

As mentioned above, the beam (A) in this direction is used in a long span or setback overhang type.
are fixed with bolts (3), and this member CB) fits perfectly within the bracken groove space.

In this example, the attachment member CB) is placed only near the longitudinal center of the original beam (A), and this is based on the fact that the maximum stress is generated at that location.

In addition to this example, a pair of reinforcing attachment members (
B) may also be used to fit and fix them back to back in the groove.

In addition, in the above, an H-type integral body was used for the original beam (A),
As shown in FIG. 6, it may be formed using prefabricated mold steel.

Further, as shown in Fig. 7, the reinforcing attachment member (B) is also made of U-shaped steel, but it may be fitted and fixed in the opposite direction to the above. It may be arranged in both grooves as shown in FIG. 9 and FIG.

Furthermore, these may be combined to provide a pair of attachment members CB) (B) which are oriented in opposite directions to each other as shown in Fig. 1θ.

Note that (4) indicates a heavy loading work window. Also, Figure 9 (6) shows the welded part, which is constructed when it is undesirable for the bolt to protrude from the flange, or when the torsional strength corresponding to the balcony arm is attached to the beam is to be provided.

In such a case, the connecting member (B) can of course be freely selected from an ultra-thin type, a medium-thick type, and a thick-walled type as shown in FIG. 11, and a type with a lip (6) may also be used.

On the other hand, above, we have particularly explained the shape and cross-section of the reinforcing attachment member CB), and the assembly posture thereof.Next, we will make a further proposal regarding the assembly manner in the longitudinal direction.

In other words, Figures 12 and 13 are examples of this. In Figure 12, reinforcing attachment members (B) (B) are placed back to back.
The positional relationship is such that both sides are overlapped by sit. This is done by strengthening the area between the laps, and by securing the area to be reinforced, supplementary reinforcement including areas other than the lap area, strengthening the beam more evenly and in a well-balanced manner, and increasing the length of the reinforcement. It was designed to do so. Figure 13 shows the same wrapping mode, but a strong splicing member (B) is placed in the center, and a slightly weaker splicing member (B) is placed on the opposite side in the longitudinal direction. (B) This is a combination of (B). In this case, the latter may be a single-through type, or the former may be provided with another attachment member (B) such as an L-type.
may be added. In this case, reinforcing splicing members (B) made of 1 m steel may be arranged line-symmetrically in the grooves on both sides of the specified steel J (A) made of H-type or ■-shaped steel;
As shown in Figure 3, both members (f3) and (B) may be placed in opposite positions, and in the case of Figure 14, a splicing member (B) is provided on only one side, which connects the original beam (A). If reinforcement is required on the tension side or compression side when building a structural body, it is more effective from a material standpoint to place it only on one side that is compatible with the reinforcement. Similarly, as a method of arranging L-shaped contact members (B), small ones that fit each corner of the groove may be used as shown in Figure 15. In this case, only one side that requires reinforcement is used. In some cases, it may be selectively provided, and the selection method is determined, for example, from the viewpoint of increasing the reinforcing effect and reducing the cost from a material standpoint.
It is also configured as shown in Figure 6.

This invention is as described above, and when it is necessary to strengthen a specified original beam formed with an external cross-sectional size that falls within the standard range specified for buildings in general, it is possible to do so without changing the size. It can be easily and effectively reinforced while maintaining the same size, and this allows us to provide reinforcing beams that can maintain standard fitment, systemize the fitment, secure design value, and improve the integrity of the building as a whole using the standard original beams. This makes it possible to provide a very effective configuration method that also achieves commonality.

In addition, the regulation N f! :For (A), in addition to H-shaped steel, there are plans to use, for example, U-shaped steel or U-shaped steel with a lip.

[Brief explanation of the drawing]

Fig. 1 is a standard state diagram, Fig. 2 is a state diagram when a large-sized beam is constructed, Fig. 3 is a sectional view showing an example of the structure according to the present invention, Fig. 4 is a perspective view thereof, and Fig. 5 Figure to 1st
FIG. 6 is an explanatory diagram showing another deformation system. (A)... Specified original beam, (B)... Reinforcement attachment member.

Claims (1)

[Claims] 1. In order to maintain the standard fitting relationship with other members within the groove space of the original beam, which is formed with an external cross-sectional size that can fit within the standard fitting range specified for the building in general, reinforcing splices are installed. A method for configuring a reinforced beam, characterized by forming a reinforced beam by joining members together.