JP3138949B2 - How to install beam members - 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 erection of a beam member of a building constructed above a track or a road.

[0002]

2. Description of the Related Art Conventionally, when a building is constructed on a transportation system such as a track or a road, and a construction material is constructed on the transportation system, a large crane or the like is arranged near a planned construction position to transfer the construction member. Was building a building.

[0003]

In the above-described conventional construction method, the construction site of a building is located above a transportation system such as a track or a road, and the surroundings of the construction site are a building or the like. In such a case, it is difficult to secure a place for arranging a large crane or the like. In such a situation, transportation must be closed for a period of time to construct a building.

[0004]

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and an object of the present invention is to provide a method of erection of a beam member which can be carried out without hindering a traffic system traveling underneath. Is to do.

[0005]

According to the present invention, a pier is installed at a position facing a construction site of a building, and an assembly yard is installed on a side opposite to the construction site of one of the piers. A support gate fixed by a ground anchor is installed on the upper surface of the assembly yard, and a girder is moved from the assembly yard through the support gate toward an opposing pier, and then connected to the rear end of the girder by a connecting tool. This is a method of erection of a beam member by connecting the leading ends of moving girders, setting the girders on piers on both sides, removing the connecting tool, and moving the erected girders along the piers. Further, the present invention is characterized in that an assembling yard is installed outside each pier, a girder is moved from each assembling yard toward an opposing pier, and each girder is connected substantially at the center of each pier. It is a method of erection of the beam member described.

[0006]

Embodiment 1 A method of erection of a girder in a building will be described below with reference to the drawings. <A> Construction of Bridge Piers and Worktables (FIGS. 1 and 2) Bridge piers 31 and 32 are constructed along the track 22 on both sides of the track 22 surrounded by the building 51. These piers 31 and 32
Is formed of, for example, reinforced concrete. The height of the piers 31 and 32 is set to be equal to or higher than the height of the overhead wire of the traveling train 21. A support wheel 44 is installed on an upper surface of the pier 31 at an extended position of a work table 41 described later. The work table 41 is constructed adjacent to the pier 31 using a narrow space between the buildings 51. The work table 41 is a place for assembling or sending out the girder 11 serving as a foundation member of a building, and is constructed at the same height as the upper surface of the pier 31. A support gate 42 is installed on the upper surface of the worktable 41. The support gate 42 is, as shown in FIG.
This is a part for supporting the back of the spar 11 sent out from the surface so as not to float. The support gate 42 has a gate-like shape, and is installed in a direction opening toward the pier 32. A ground anchor 43 is driven downward from the upper end surface of the support gate 42 into the ground to fix the support gate 42. With this ground anchor 43, the supporting strength against the floating of the spar 11 can be sufficiently ensured. A support wheel 45 is installed on the inner surface of the support gate 42. Further, a support wheel 44 is installed on the upper surface of the worktable 41.

<B> Assembling and sending out the spar (FIG. 2) The spar 11a is assembled on the work table 41. Digit 11a
Is a steel frame member configured as a foundation of a building to be constructed. While assembling, the tip of the spar 11a is inserted into the support gate 42 and further moved on the support wheel 44 to gradually move the spar 1
1a is sent out toward the pier 32. When the girder 11a is sent out by more than half and the center of gravity of the girder 11a exceeds the bearing wheel 44 ,
The tip of the spar 11a faces downward. At this time, the rear end of the spar 11a is supported from above by the support wheels 45 in the support gate 42, so that the spar 11a can be continuously fed horizontally. Further, since the support gate 42 is fixed by the ground anchor 43, the support gate 42 is not pulled out. The girder 11b to be sent out next is assembled on the work table 41 which has sent out the girder 11a to some extent. Then, the leading end of the spar 11b is connected to the rear end of the spar 11a by the connecting tool 12. In this state, the beam is sent out until the girder 11a reaches the pier 32. At this time, the rear end of the girder 11a passes through the support gate 42, but the weight of the connected girder 11b and the support of the girder 11b by the support gate 42 can keep the girder 11a horizontal and continue to send it out. . The beam 11 is sent out by driving the support wheel 45 or the support wheel 44 by a drive source such as a motor and applying a rotational force to the support wheel 45 or the support wheel 44 . In addition, about this sending-out method, you may perform by other well-known methods, such as pushing out from behind the girder 11 with a jack.

<C> Separation and movement of the girder (FIG. 3) When the tip of the sent girder 11a reaches the pier 32,
The connecting tool 12 is removed, and the girders 11a and 11b are separated. The girder 11a is moved to a predetermined position along the longitudinal direction of the piers 31 and 32. As a moving method, for example, the girder 11a can be placed on a cart or a slide plate installed on the upper surface of the piers 31 and 32, and can be moved using a hydraulic jack or a winch as a drive source. If such a moving method is adopted, the sliding resistance of the spar 11a can be reduced, and it can be performed efficiently.

<D> Sending out last girder Sending out, connecting, and moving on the piers 31 and 32 sequentially. When sending out the last girder 11, a temporary girder member having a certain weight is connected to the rear end of the last girder 11 and sent out. After sending out, the last digit 11
And the temporary girder member. As described above, when the work of erection of all the girders 11 is completed, a beam member or the like is arranged between the girders 11 to construct a construction corresponding to the purpose of use. The present embodiment is a method of erection of a beam member of a construction to be constructed above a railroad track of a train. And so on.

[0010]

Embodiment 2 As shown in FIG. 4, this embodiment is a method used when the distance between the pier 31 and the pier 32 is long, and a work table 41a is installed outside the pier 31 and The work table 41b is installed in the building to construct a construction.
The method of erection of the girder is from the piers 31 and 32 to the girder 11 respectively.
And the girder 11a is almost at the center of the pier 31 and the pier 32.
1 connected to the rear end of the column 11a
1b, and the connected girder 11a is connected to piers 31 and 32.
To a predetermined position. Then, after all the girders 11 are erected, a beam member or the like is arranged between the girders 11 to construct a construction. When the distance between the pier 31 and the pier 32 is long as in the present embodiment, the beam 1
If 1 is sent out, the work of erection of the girder 11 can be performed safely.

[0011]

As described above, the present invention has the following effects. <B> A building can be constructed above a transportation system such as a track or a road surrounded by buildings or the like without interfering with traffic.

<B> A beam member serving as a foundation member of a building,
For example, since the girder is sent out from the assembly yard and erected, a large space is not required for the erection work of the girder.

[Brief description of the drawings]

FIG. 1 is an explanatory diagram of a construction process of a building.

FIG. 2 is an explanatory diagram of a girder sending process.

FIG. 3 is a plan view of a girder moving process.

FIG. 4 is an explanatory view of a second embodiment.

────────────────────────────────────────────────── ─── Continuation of front page (72) Inventor Masayuki Okochi 1-25-1, Nishishinjuku, Shinjuku-ku, Tokyo Taisei Corporation Co., Ltd. (56) References JP-A-3-90703 (JP, A) JP 49-57648 (JP, A) (58) Fields investigated (Int. Cl. ⁷ , DB name) E04G 21/14 E01D 21/00 E04B 1/35

Claims (2)

(57) [Claims] 1. A pier is installed at a position opposite to a planned construction site of a building, and an assembly yard is installed on a side opposite to the construction site of one of the piers, and a ground anchor is provided on an upper surface of the assembly yard. A support gate fixed at is installed, and a girder is sent out from the assembly yard through the support gate to the opposite pier, and a rear end of the girder is connected to a leading end of the next girder to be sent out by a connector. A method of erection of a beam member, comprising: after installing a girder on piers on both sides, removing the connecting tool, and moving the erected girder along the pier. 2. An assembling yard is installed outside each pier, a girder is moved from each assembling yard to an opposing pier, and each girder is connected at substantially the center of each pier. A method for erection of the beam member according to claim 1.