JPH04309621A - Basement with dry area - 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]

0001

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to basements mainly made of prestressed concrete slabs, especially those with a dry area.

0002

BACKGROUND OF THE INVENTION Basements are generally provided with a dry area for daylighting. Figure 4 shows the structure of a basement made of PC concrete with such a dry area.
PC concrete plates 21, 21... arranged in the left and right direction,
They are connected by steel beams 22 and 23 at both upper and lower ends to form a basement main wall 24 and a dry area wall 25 protruding from the main wall 24, and are buried underground, and a concrete foundation slab 26 is placed at the bottom. It has been poured to form a basement. Additionally, a concrete floor plate 2 is installed at the upper opening of the basement.
7 is attached to form the floor of the above-ground building. In this case, of course, the floor plate 27 is not attached to the dry area 28 portion, and the upper part thereof usually remains open. Similarly, a sash 29 for access is provided at the boundary between the dry area 28 and the basement main body.

0003

[Problem to be Solved by the Invention] In the above, the basement main body has a floor plate 27 made of a concrete plate attached to its upper part, and this floor plate 27 bears the horizontal force, so that sufficient horizontal rigidity can be obtained. However, such a floorboard is not provided in the dry area 28, and furthermore, in the dry area 28,
As mentioned above, only the sash 29 is provided and there is almost no boundary wall, so the main wall of the basement is cut out in this area. Therefore, dry area 2
8 side has the drawback that the horizontal strength in the wall direction is insufficient and there is a risk of deformation. The present invention has been made for the purpose of providing a structure for a basement having such a dry area that can ensure horizontal strength on the dry area side.

0004

[Means for Solving the Problems] In order to solve the above problems, in this invention, a slab concrete connected to the dry area wall is cast around the outer periphery of the dry area wall that protrudes from the main wall of the basement. It is characterized by

[0005] In the above, it is conceivable to construct the dry area wall with a PC board and to bury reinforcing bars protruding from the dry area wall in slab concrete.

[0006]

[Function] According to the above structure, the concrete slab connected to the dry area wall acts as a resistance force against horizontal force, so the strength of the dry area wall increases and it becomes possible to use it as a load-bearing wall.

[0007]

[Embodiment] In FIGS. 1 and 2, 1 is the basement main body made of PC concrete board as in the conventional example, 2 is
The dry area projects from the basement main body, and the dry area 2 and the basement main body 1 are partitioned by a sash 4 for access. The upper opening of the basement main body 1 is connected to a P
It is covered with a floor board 6 made of C concrete board. A solid foundation 9 consisting of a fabric part 7 and a slab 8 is constructed around the basement main wall 3, and an above-ground building 10 is constructed on this foundation 9. The floor plate 6 constitutes a part of the floor of this above-ground building 10. Further, a concrete slab 12 is placed around the dry area wall 11 at approximately the same height as the slab 8 of the solid foundation 9.

Although the concrete slab 12 is not necessarily connected integrally with the solid foundation 9,
The dry area wall 11 is constructed at the same time as the solid foundation 9, and as shown in FIG. A wall 11 and a concrete slab 12 are integrally connected. In this case, the width of the concrete slab 12 in the horizontal direction may be sufficient as long as it can obtain the horizontal strength in the wall direction of the basement main wall 3 provided with the dry area 2. 1 of the notch length of the notched main body wall 3
It is sufficient if it is about /20 or more. Reference numeral 15 in FIG. 3 is an H-shaped steel beam that connects the upper ends of the basement main wall 3 and the dry area wall 11, which are made of PC concrete plates as in the conventional case.

[0009] To install the reinforcing bars 13, inserts 14 with screw holes are buried in the side of the PC concrete plate constituting the dry area wall 11 in advance, and the reinforcing bars 13 are installed in the inserts 14 after the basement wall is constructed. Just screw it in and install it.

0010

[Effects of the Invention] As described above, in this invention, a slab concrete connected to the dry area wall is placed around the dry area wall, so that the horizontal direction of the wall of the main body wall of the basement equipped with the dry area is Since the force is borne by the slab concrete through the dry area wall, sufficient horizontal rigidity can be obtained, and this dry area side can also be used as a load-bearing wall.

[Brief explanation of the drawing]

FIG. 1 is a vertical sectional view of a basement portion showing an embodiment of the present invention.

FIG. 2 is a horizontal sectional view of the basement portion.

FIG. 3 is an enlarged vertical cross-sectional view of a main part showing a connecting portion between a dry area wall and a concrete slab.

FIG. 4 is a vertical cross-sectional view of a conventional PC concrete basement.

[Explanation of symbols]

1　Basement main body 2 Dry area 11 Dry area wall 12 Slab concrete 13 Reinforcing bars

Claims (2)

[Claims] 1. A basement equipped with a dry area, characterized in that a slab concrete connected to the dry area wall is cast around the outer periphery of the dry area wall protruding from the main wall of the basement. [Claim 2] A dry area wall comprising a PC concrete plate, wherein reinforcing bars protruding outward from the dry area wall are embedded in the slab concrete to integrally connect the dry area wall and the slab concrete. Basement with area.