JPS5914510Y2 - A piece that can be used as both a beam and flint in a mountain retaining frame structure for civil engineering and construction. - Google Patents

Description

[Detailed description of the invention] This invention relates to a piece that can be used as both a strut and a flint in a mountain retaining frame structure for civil engineering and construction, and in particular has a box-shaped mounting base frame at the base end and has a strong piece structure that is uniform and does not shift. It is an inexpensive piece that eliminates the risk of buckling,
By removably bolting the flint frame placed between the central traverse frame and the mounting base frame, for example, even if the pillars of the structural frame or the pillars of the excavation pedestal interfere with the flint frame, this can be resolved by removing it. While the support can be set at the optimal position as a gantry, consideration has been given to allowing it to be used as a standard dual-purpose piece by attaching a flint frame.

The piece for both strut and flint, which is the premise of this invention, was previously proposed by the applicant.

The concrete structure is as follows: a sheet pile is cast into the ground, with side lumber attached to it, and each side lumber can be freely attached and detached between the struts installed between the facing lumber and each side lumber. It is a piece that can be used as both a strut and flint to be joined and interposed, and is formed by integrally fixing reinforcing plates in the upper and lower grooves and end faces of the main frame made of H-shaped steel, and has bolt holes arranged in the flange. A horizontal box-shaped mounting base frame, an H-shaped steel central traverse frame integrally welded to protrude perpendicularly from the center of the plane of the base frame toward the end face of the traverse beam, and a longitudinal axis of the central straddle frame. A pair of H-shapes are arranged in a C-shape in plan, spanning between both sides of the mounting frame and each end of the mounting base frame in the horizontal direction, leaving a triangular space between the mounting base frame and the central strut frame. It consists of a steel flint frame.

What is particularly noteworthy here is that the flint frame is constructed by integrally welding both ends to the central traverse frame and the mounting base frame, and this type of frame can provide a piece with the highest rigidity at the lowest cost. However, there are also drawbacks.

In other words, if the flint frame is completely integrated, after assembly, when constructing a structural frame or an excavation pedestal, for example, when a support is installed through a part of the flint frame, in this case, the existence of the integral flint frame It was not possible to install the pillars, so it was necessary to shift the pillars from their optimal positions as gantry.

In this case, it would not be possible to obtain a completely perfect gantry, and if we tried to ensure that the pieces and the gantry did not interfere with each other, and that each of them was in an optimal state, this alone would hinder the efficiency of construction, which was not suitable. It is.

This invention was developed from this point of view, and the feature here is that the flint frame is removably bolted to the central strut frame and the mounting base frame.

The illustrated embodiment will be described below.

The one shown in Figures 1 to 5 is the most preferred embodiment, in which 1 is a sheet pile driven into the soil, and inside it is a pile 2 made of H-beam steel that has a rectangular shape in plan view. These are supported from the bottom by a storage bracket (not shown).

3 is a cut beam made of H-shaped steel, and as is well-known, the facing member 2
, and is mounted between the two.

Reference numeral 4 denotes a piece for both strut and flint (hereinafter simply referred to as a piece), which is connected between each end of the strut member 3 and the brace member 2 by bolts as described below.

The mounting base frame a at the base end of this piece 4 is basically a main frame 5 made of H-shaped steel, with its grooves facing upward and downward, and a pair of upper and lower reinforcing plates 6, 6 in the longitudinal middle position of these grooves. are welded together, and end plates 7, 7 are integrally welded to both longitudinal ends of the main frame 5.

The main frame 5 has a large number of bolt holes 8 on the outer flange surface to match the bolt holes 8 arranged vertically in multiple rows along the inner flange of the lining material 2.・・・・・・
. . are arranged, and these are connected to each other with bolts 9 as shown in the second figure.

Reference numeral b denotes a central strut frame projecting perpendicularly from the central portion of the mounting base frame a in plan view toward the end face of the strut member 3, and this is basically formed using H-beam steel.

At the tip of this central strait frame, there is a mounting face plate 10 for the straddle material 3.
A mounting face plate 11 that can be bolted to is orthogonally welded together, and a central reinforcing plate 12 is integrated between the face plate 11 and the mounting base frame a so as to be located in the center of the upper and lower opening grooves of the central traverse frame. Welded.

In addition, horizontal reinforcing plates 13.13 are integrally welded to the upper and lower sides of the central strut frame in order to partition it transversely.
In this way, the center strut frame is fabricated.

c and c are H-shaped steel flint frames suspended between the tip of the center traverse frame and the end of the mounting base frame a in a V-shape in plan view. It is a characteristic member of

In other words, this flint frame C is made of H-shaped steel in the shape of a mold, and the end faces are plated with 8 bolt holes at both ends.) 14.14
The bolt holes 8 and 8 are integrally welded together.
In order to adapt to..., bolt holes 8...
. . . and are detachably attached using bolts 9 .

In this case, a triangular space 15.15 in plan view is left between each flint frame C, the central ram frame, and the mounting base frame a.

Therefore, according to the flint piece having the above structure, if the support d for the excavation gantry later interferes with the flint C as shown in Fig. 6, the corresponding one of the flint frames C' can be removed and the support can be removed. d can be freely set at the optimum position, and therefore the support d can be brought to the desired position, so the strength that the gantry should have can be satisfied, and since the other flint frame C remains, the strength of the piece can be increased. There is no wide-scale decrease.

Furthermore, during construction, there is no need to worry about interference, and the efficiency of construction can be improved.

On the other hand, it is of course possible to use ordinary pieces as shown in FIGS. 1 and 2, and the feature is that these are closely related by the common piece 4.

Furthermore, since the prerequisite mounting base frame a is box-shaped and extends over the entire piece, the axial force is applied evenly across its entire width.

Therefore, since it is based on such a strong and stable mounting base frame a, a sufficient axial force load and distribution effect can be expected even in the construction mode shown in FIG. 6, for example.

The example shown in Fig. 7 is one side (right side) of the flint frame C.
It is constructed in such a way that only the other (left side) is a removable type, and the other (left side) is of an integrated type (welded type), and such an aspect must also be interpreted as being included in this invention.

This idea is as described above, and is an inexpensive piece that eliminates the risk of buckling by having a box-shaped mounting base frame at the base end and a strong piece structure that is uniform and does not shift. By removably bolting the flint frame placed between the strut frame and the mounting base frame, for example, even if the support of an excavation gantry interferes with the flint frame, it can be removed by removing it. While it can be set in any position, it is designed so that it can also be used as a standard dual-purpose piece by attaching a flint frame.

For the purpose of disclosure only, a version of the piece shown in Figure 7, one of which is welded and the other flint frame C not bolted, is also proposed here.

[Brief Description of the Drawings] Fig. 1 is a perspective external view showing an example of this invention, Fig. 2 is a plan view thereof, Fig. 3 is an end view taken along the line III-III,
Figure 4 is a view taken along the line IV-IV of Figure 2 (with the flint frame removed), Figure 5 is a view viewed from the V arrow in Figure 2 (with the flint frame removed), and Figure 6 is with one flint frame removed. FIG. 7 is a plan view showing another example of the piece. 1...Sheet pile, 2...Breaking material,
3...String beam material, 4...Dual use piece, 9
...Bolt, 15...Space, a...
...Mounting base frame, b...Central strut frame, C...
...Finder frame.

Claims (1)

[Scope of utility model registration request] Layers are attached to sheet piles cast in the ground, and are removably joined and interposed between the strut beams installed between the facing piles and each pile. An oblong box-shaped mounting base frame, which is a piece that can be used as both a cut beam and a flint, and is formed by integrally fixing reinforcing plates to the upper and lower grooves and end faces of the main frame made of H-shaped steel, and has bolt holes arranged in the flange; A center strut frame made of H-shaped steel that is integrally welded to protrude orthogonally from the center of the plane of the base frame toward the end face of the strut members, and both sides of the center strut frame in the longitudinal direction and the horizontal direction of the mounting base frame. It consists of a pair of H-shaped steel flint frames that are spanned between each end and arranged in a V-shape in plan so as to leave a triangular space between the mounting base frame and the central strut frame. A piece that can be used as both a strut and a flint in a mountain retaining frame structure for civil engineering and construction, characterized in that the flint frame is removably bolted to a central strut frame and a mounting base frame.