JPH0637795B2 - PC beam with integrated beam - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention is a beam-integrated precast concrete floorboard (hereinafter referred to as P
C floor board).

(Prior art) At present, in apartment houses and other condominiums, the living space is placed on the corridor side and the balcony side in the plan, so the space related to equipment tends to be concentrated in the central part of the facility as the equipment core. .

In the equipment core portion, however, an exhaust duct space is required on the ceiling, and a water supply / drainage piping space is required on the floor.

On the other hand, recently, as a countermeasure for neighborhood problems such as noise problems on the upper and lower floors of apartment buildings, there is a movement to prevent the propagation of floor vibration noise by increasing the floor concrete thickness as much as possible to improve sound insulation performance and rigidity. Is increasing.

(Problems to be Solved by the Invention) However, in the conventional floor concrete structure,
As shown in FIG. 3, floor concrete 2 is formed on the crossbeams 1 and 1, and in the facility core portion, water supply and drainage is performed on the floor 2.
It is necessary to form a double floor by arranging pipes 3 for gas or the like, performing a hauling and joisting, and then providing a floor finishing material 4. Further, the ceiling is provided with girders 1 and 1 between them. It is common to dispose the duct 5 and attach the ceiling finishing material 6 for preventing it from being exposed to the room, and as a result, it is difficult to secure the ceiling height.

Therefore, if the concrete slab thickness is set to be larger as described above, the ceiling height is further reduced, and it is difficult to realize it.

(Means for Solving the Problem) The present invention solves the above-mentioned conventional problems, arranging pipes without forming a double floor, and making it possible to easily increase the floor concrete thickness. It has been proposed as a purpose, and is a beam-integrated PC floor board having a substantially H-shaped cross-section integrally connected to the floor in a mode in which a space between a pair of beams is formed and a piping space is formed in the upper part and a duct space is formed in the lower part. It is characterized by that.

(Examples) Hereinafter, preferred examples of the present invention will be described with reference to the drawings.

FIG. 1 and FIG. 2 show an embodiment of the present invention, in which a beam-integrated type PC floor board 10 according to the present embodiment is provided in an equipment core portion arranged in the central portion of an apartment house such as an apartment. It is used exclusively.

The cross-beam integrated PC floor plate 10 has a substantially H-shaped cross section, and a pair of PC cross beams 11, 11 are integrally connected to each other by a PC floor 14 at an intermediate position in the height direction. 1
4, a piping space 12 is formed in the upper part and a duct space 13 is formed in the lower part.

Therefore, in constructing the girder-integrated type PC floor board 10 according to this embodiment, first, as shown in FIG. 2, the PC floor board 10 is carried to a position where the equipment core should be formed, and both ends of the girder 11 in the span direction. Is tightly joined to a door wall, a beam or the like (not shown) by appropriate means.

Next, in the case of the present embodiment, similarly, the end portion of the PC floor board 15 of the pre-cast living room portion is mounted on the beam 11 and PC
Leaving a space for installing pipes on the upper surface of the floor plate 10, the cast-in-place concrete is poured and hardened so as to be flush with the top end of the living room PC floor plate 15, and the PC floor plate 10 and the living room PC floor plates 15 on both sides, Integrate with 15.

Then, in the piping space 12, equipment pipes 16 for water supply and drainage, gas, etc. are arranged, and a joist 17 is installed on the upper surface, and a floor finishing material 18 is attached.

Further, various ducts 19 may be attached to the duct space 13, and the ceiling material 20 may be arranged in accordance with the lower end of the beam 11.

As described above, in this embodiment, by using the girder-integrated PC floor board 10 in accordance with the recent housing complex in which the equipment core is formed, the equipment piping 16 and the duct 19 are respectively the piping space 12 and the duct space. Since it can be housed in 13, it is not necessary to make all floors double-layered as in the conventional case, and the ceiling height including the living room can be secured.

Therefore, it is possible to sufficiently meet the demand for increasing the floor thickness.

Further, since the duct 19 is not exposed also in the ceiling portion, it is not necessary to separately provide a decorative beam to hide the duct 19 as in the conventional case.

In addition, the dimensions between the PC small beams 11, 11 and the beams can be arbitrarily set according to the pipes to be housed, the number of ducts, the size, etc. within a range not departing from the gist of the present invention. It goes without saying that a modified example of is possible.

(Effects of the Invention) The present invention is configured as described above, and the following effects can be obtained by devising the PC floor board of the equipment core portion in relation to the PC beam.

(1) It is possible to store equipment pipes and ducts without wasting space, and it is not necessary to make all floors double floors as in the past, and it is possible to secure the ceiling height including the living room. become.

(2) It is possible to increase the floor thickness by securing the ceiling height,
The sound insulation performance can be improved and the rigidity can be increased to prevent the propagation of floor vibration sound.

[Brief description of drawings]

FIG. 1 is a conceptual view of a crossbeam-integrated PC floorboard according to the present invention, FIG. 2 is an explanatory view showing its construction form, and FIG. 3 is an explanatory view showing a conventional example. 10 ... PC beam with integrated beam, 11 ... PC beam, 12 ... Piping space, 13 ... Duct space, 14 ... PC floor.

Claims (1)

[Claims] 1. In an equipment core portion arranged in the central portion of an apartment house, a pair of PC beams 11 are integrally connected to each other by a PC floor 14 at an intermediate position in the height direction. A girder-integrated PC floorboard, which is H-shaped and has a piping space 12 formed at an upper portion of the PC floor 14 and a duct space 13 formed at a lower portion thereof.