JPH0489952A - Undulate sheet installing structure for steel skeleton beam - Google Patents

Abstract

PURPOSE:To make easy and safe operation of installing an undulate sheet material by welding a metal piece for mounting of undulate sheet to a base frame, mounting the undulate sheet to form a foundation, coupling the base frame with a steel skeleton beam by a coupling metal piece, and fixing the undulate sheet to the sheet mounting metal piece. CONSTITUTION:A metal piece 3 for mounting of an undulate sheet, wherein holddown bolts 2 are provided upright on the crests, is welded to the undersurface of a base frame 4 consisting of a lightweight steel skeleton member of C-form section by welding joint plates 5 provided with long holes, and thereby the undulate sheet is secured to constitute a foundation A. At a certain spacing a plurality of joint plates 6 mating with the first named joint plates 5 are welded to the upper flange 1a of the steel skeleton beam C. The base frame 4 is coupled with the upper flange 1a of the skeleton beam C by coupling metal pieces 7 consisting of bolt and nut which penetrate the joint plates 4, 6. Undulate sheet B is secured to the sheet mounting metal piece 3 through the holddown bolts 2 and nuts engaging therewith. Thereby operations can be made safely at a high place.

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial Field of Application] The present invention relates to the structure of attaching a broken plate to a steel frame.

[Conventional technology]

For example, in the case of a building with a roof made of folded plates, conventionally,
After the steel frame was erected, hardware was welded to the upper flange of the steel frame to attach a zigzag folding plate corresponding to the cross-sectional shape of the folding plate, and the folding plate was attached to the hardware.

[Problem to be solved by the invention]

In the above-mentioned conventional example, since welding work was required at a high place, there were problems in terms of both workability and safety.

In addition, when renovating or renovating the upper floor of an existing building while continuing operations and business operations on the lower floor, a temporary ceiling with a high-strength folded section can be attached to the lower flange of the steel frame. It is desirable to carry out fall protection, but in this case, applying the above-mentioned conventional technology and welding hardware for attaching folding plates to the lower flange of the steel frame, it would be an upward welding operation at a high place. This further deteriorates work efficiency and safety, and requires a spark protection means that can completely prevent welding sparks from scattering to the lower floors.

The present invention has been made in view of the above-mentioned problems, and makes it possible to easily and safely attach folded plates to a steel frame when constructing an M root or a temporary ceiling using folded plates. The purpose is to

[Means to solve the problem]

The technical means taken by the present invention to achieve the above object are as follows. J! 17. The structure of the installation of the folding plate to the steel frame according to the present invention is as follows: In the installation of the folding plate, the hardware is welded to the base frame, and the base frame is constructed by attaching the folding plate, and in the installation of the folding plate, the base frame of the base is welded. It is connected to the steel frame with a connecting fitting, and the above-mentioned folding plate installation is characterized in that the folding plate is attached to the hardware.

The folding plate may be a W root or a temporary ceiling; in the latter case, the folding plate is attached to the base frame, which is connected to the lower flange of the steel frame.

[Effect]

According to the above configuration, it is possible to prepare a base for installing folded plates on the floor of a factory or construction site in advance, lift it up, and connect it to the steel frame with a connecting metal fitting. On-site welding work can be omitted.

〔Example〕

Embodiments of the present invention will be described below based on the drawings.

Figures 1 to 3 show an embodiment of the present invention, in which A indicates the base plate on which the folding plate is attached, B indicates the folding plate forming the roof, and C indicates the upper and lower flanges la, lb and web 1c. It is a steel frame made of steel, and is erected between pillars not shown in the diagram. For mounting the folding plate, the base A is bent in a zigzag shape corresponding to the cross-sectional shape of the folding plate B, and the mounting bolts 2 are attached to the top of each plate.
・To install a folding plate with an upright structure, the hardware 3 is welded to the upper surface of a straight base frame 4 made of a lightweight steel frame such as a lightweight type steel with a C-shaped cross section or a rectangular vibrator, and a long hole is formed on the bottom surface of the base frame 4. It is constructed by welding joint plates 5 with... The upper flange 1a of the steel frame C is provided with the joining plate 5.
A plurality of joining plates 6 corresponding to... are welded at predetermined intervals. The base frame 4 is connected to the upper flange 1a of the steel frame C by a connecting fitting 7 consisting of a bolt 1a passing through the joint plate 4.6 and a bolt 7b screwed thereto. There is. Folded version B
The above-mentioned folding plate is attached to the hardware 3, and the above-mentioned folding plate is attached to the bolt 2.
. . . and a NAND member 8 screwed thereto.

In the above structure, welding work is performed in advance on the floor of a factory or construction site to prepare the base A for mounting the folding plate, and as shown in FIG. A is lifted onto the steel frame C, and the base frame 4 is connected to the steel frame C with the connecting fittings 7, and then the folding plate is attached by attaching the folding plate B to the metal fitting 3. It is possible to construct.

Figures 4 to 6 show another embodiment of the present invention. This embodiment is a case where renovation or renovation work is carried out on the upper floor of an existing building while continuing business operations on the lower floor. The present invention is applied to this. For mounting the folding plate shown in the figure, the base A is bent in a zigzag shape corresponding to the cross-sectional shape of the folding plate B, and bolts 2 for mounting the folding plate are erected at the top of each plate. 3 is welded to the lower surface of the base frame 4, and the required number of clamp-type connecting fittings 9 consisting of a screw shaft 9a with an operating handle and a C-shaped metal fitting 9b screwing the screw shaft 9B are attached to the lower surface of the base frame. Constructed by welding. The above-mentioned folding plate installation is done on the base frame 4 on the base A.
is removably connected to the lower flange 1b of the steel frame C via the connecting fittings 9.

The folding plate B constitutes a temporary ceiling that protects the fall to the lower floor during renovation and remodeling work on the upper floor. . . and a nut member 8 screwed thereto.

D is the column steel frame.

The construction procedure for the above-mentioned folding plate installation structure is as follows.

That is, welding work is performed on the floor surface of a factory or construction site in advance to prepare the base A for the above-mentioned folding plate installation.
As shown in the figure, to install the folding plate, lift the base A and connect it to the lower flange 1b of the steel frame C using the connecting fitting 9, and then lift the folding plate B and install the folding plate. In this case, the folding plate of the substrate A is attached to the hardware 3.

According to this embodiment, when the folding plate B is attached to the lower flange 1b of the steel frame C to construct a temporary ceiling for fall protection, upward welding work at a high place is not necessary.
Workability is good, safety is high, and there is no need for spark curing means to prevent welding sparks from scattering to the lower floors.

FIG. 7 shows another embodiment of the present invention. This embodiment is characterized in that the folding plate B and the hardware 3 for mounting the folding plate are connected by bolts at the peaks of the folding plate B. Since the other configurations and construction procedures are the same as those of the embodiment shown in FIGS. 4 to 6, the same reference numerals are given to the same structural members and the explanation thereof will be omitted.

8 to 10 show another embodiment of the present invention.

In this embodiment, the folding plates are attached using a hardware 3 for attaching the folding plates on the base A, and a shaft body 3b with a plurality of flanges 3a, each having a port 2 for attaching the folding plates erected at the tip, is used. It has characteristics. Other configurations and construction procedures are the same as those in the embodiment shown in FIG. 7, so the same components are denoted by the same reference numerals and their explanations will be omitted.

〔Effect of the invention〕

Since the present invention has the above-mentioned configuration, it is possible to prepare a base for installing the folding plate in advance on the floor of a factory or construction site, lift it up, and connect it to the steel frame with a connecting fitting. Therefore, welding work at high places can be omitted, and workability and safety can be improved.

[Brief explanation of drawings]

Figures 1 to 3 show one embodiment of the present invention. Figure 1 is a schematic longitudinal sectional front view showing the structure of the installation of the folding plate to the steel frame, Figure 2 is a longitudinal sectional side view of the main part, and Figure 3 The figure is a perspective view of the main parts to explain the construction procedure. 4 to 6 show other embodiments of the present invention, FIG. 4 is a schematic longitudinal sectional front view showing the structure of the installation of the folding plate to the steel frame, FIG. 5 is a longitudinal sectional side view of the main part, and FIG. The figure is a perspective view explaining the construction procedure. FIG. 7 is a schematic longitudinal sectional front view of a structure showing another embodiment of the present invention, in which a folding plate is attached to a steel frame. 8 to 10 show another embodiment of the present invention, FIG. 8 is a schematic longitudinal sectional front view showing the structure of the installation of the folding plate to the steel frame, FIG. 9 is a vertical sectional side view of the main part, and FIG. The figure is a front view of the base plate with the folding plate installed. A...Folding plate is attached to the base, B...Folding plate, C...Steel frame, 1b...Lower flange, 3...Folding plate is attached to the hardware, 4...Folding frame, 7 ...Connection hardware, 9...
Connecting hardware. Figure 3

Claims (2)

[Claims] (1) A folding plate mounting hardware is welded to the base frame to form a folding plate mounting base, the base frame of the folding plate mounting base is connected to the steel frame with a connecting fitting, and the folding plate is attached to the folding plate mounting hardware. A structure for attaching a folded plate to a steel frame. (2) The structure according to claim (1), wherein the folding plate is a temporary ceiling, and the base frame of the base for mounting the folding plate is connected to the lower flange of the steel frame with a connecting metal fitting.