JP2992401B2 - Staircase type multi-family apartment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a staircase type multi-story apartment house.

[0002]

2. Description of the Related Art As shown in FIG. 5, in a conventional multi-family staircase type multi-family housing in which dwelling units b and b are arranged in contact with a staircase room a, each dwelling unit b is directly placed on a wall c of the staircase room a. , B are provided with entrance doors d, d. For this reason, dwelling unit b on a certain floor
When the fire occurs in the event that the entrance door d of the fire dwelling unit b is not completely closed for some reason, the flame or smoke blows out to the staircase a, and the staircase a is contaminated with the flame or smoke. There is a possibility that evacuation and firefighting activities from other dwelling units (dwelling units on the same floor or an upper floor) b will be hindered. Note that e in FIG.
Denotes an elevator, f denotes a balcony, and dashed arrow g denotes a two-way evacuation route.

[0003]

SUMMARY OF THE INVENTION In view of the above-mentioned drawbacks, the present invention can improve the safety of evacuation and fire fighting activities by preventing the staircase from being contaminated by flame or smoke when a fire occurs. Thus, a staircase-type multi-story apartment house is provided.

[0004]

A feature of the present invention is that in a multi-family staircase type multi-family housing, fire doors corresponding to each dwelling unit are provided on the wall of the staircase, and each dwelling unit is provided with a face facing the fire door. In addition, an entrance porch opened to the outside air is provided, and an entrance facing the entrance porch is provided.

[0005]

According to the above construction, since there is an entrance porch open to the outside air between the doorway of each dwelling unit and the staircase, when a fire occurs in a dwelling unit on any floor, the fire dwelling unit emits a flame or the like. Even if smoke may erupt, the entrance porch serves as a cushion space, and since these flames and smoke are discharged directly from the entrance porch to the outside, smoke pollution in the staircase can be prevented. Become. In addition, since there is an entrance porch open to the outside air, lighting and ventilation around the entrance are also good.

[0006]

An embodiment of the present invention will be described below with reference to the drawings. Fig. 1 shows two dwelling units 2, 2 around a staircase 1
Is a so-called two-and-one-room staircase-type multi-layer apartment house in which is disposed. In this embodiment, fireproof doors 3, 3 corresponding to the dwelling units 2, 2 are provided on the wall portion W of the staircase room 1, which is divided into fireproof sections, in the above-mentioned staircase type multi-layer apartment house. Entrance porch 4, open to the outside facing the fire doors 3, 3
4 is provided, and entrances 5 and 5 facing the entrance porches 4 and 4 are provided. In the figure, 6 and 6 are entrance doors, 7 is an elevator, and 8a and 8b are balconies. Although not shown, the balcony 8b is also connected to the balcony 8a.
It may be continuous like the above.

According to the above configuration, the entrance porch 4 opened to the outside air is provided between the entrance 5 of the dwelling unit 2 and the staircase 1, so that not only lighting and ventilation around the entrance are improved, but also When a fire occurs in the dwelling unit 2 on any floor, the fire dwelling unit 2
The entrance porch 4
Is used as a cushion space, and these flames and smoke are discharged directly from the entrance porch 4 to the outside. In addition, elevator 7
Can also be used for evacuation and firefighting activities, and disaster prevention measures will be thorough. Therefore, evacuation and firefighting activities from other dwelling units 2 performed via the staircase 1 can be performed safely.

FIGS. 2 to 4 show another embodiment of the present invention.
This embodiment is characterized in that each dwelling unit 2 is a maisonette type having two or more layers, and each dwelling unit 2 is provided with a stairwell 9. If the space of each dwelling unit 2 has a plurality of layers as in this embodiment and the space of each layer is continuous by the stairwell 9, the fire tends to be large. The safety advantage of providing an entrance porch 4 that is open to the outside and is open to the outside becomes even more pronounced.

The staircase-type multi-story apartment house shown in FIGS. 2 to 4 is made of a reinforced concrete primary structure (frame) including a Sakai floor and a Sakai wall, and a secondary structure is provided in the frame. Is inserted. For the dwelling unit 2 as a secondary structure, a lightweight steel structure, a wooden structure, or the like is appropriately used so that the dwelling unit 2 can be freely extended or remodeled according to the resident's life or the like.

[0010]

According to the present invention, the entrance porch open to the outside air is provided between the entrance of each dwelling unit and the staircase, so that lighting and ventilation around the entrance are good. In addition, when a fire occurs in a dwelling unit on any floor, even if fire or smoke may erupt from the fired dwelling unit, the entrance porch becomes a cushion space, and these flames and smoke are directly transmitted from the entrance porch to the outside. Is discharged to
Smoke pollution and the like in the staircase can be prevented, and evacuation and firefighting activities from dwelling units performed through the staircase can be performed safely.

[Brief description of the drawings]

FIG. 1 is a schematic plan view of a multi-storey staircase type housing showing an embodiment of the present invention.

FIG. 2 is a first-floor plan view of a staircase-type multi-story apartment building showing another embodiment of the present invention.

FIG. 3 is a plan view of the second floor of the multi-story apartment building.

FIG. 4 is a cross-sectional view of the multi-story apartment building.

FIG. 5 is an explanatory diagram of a conventional example.

[Explanation of symbols]

1: staircase room, 2: dwelling unit, 3: fire door, 4: entrance porch,
5 ... Doorway.

──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Akio Kodaira 2-5-1-14 Minamisuna, Koto-ku, Tokyo Inside Takenaka Corporation Technical Research Institute (72) Inventor Kanzo Harada 8--21 Ginza, Chuo-ku, Tokyo No. 1 Inside the Takenaka Corporation Tokyo Main Store (72) Inventor: Une Ishibashi 8-21 Ginza, Chuo-ku, Tokyo Inside the Takenaka Corporation Tokyo Main Store (72) Inventor Ryosuke Takeuchi 8-chome, Ginza, Chuo-ku, Tokyo No. 21 No. 1 Takenaka Corporation Tokyo Main Store (72) Inventor Tsutomu Ishihara 2-3-3 Shiba, Minato-ku, Tokyo Inside Haseko Corporation (72) Inventor Noryu Imanishi Shiba-shi, Minato-ku, Tokyo No. 2-3, Haseko Corporation (72) Inventor Hirofumi Aoyama No. 2-3, Shiba, Minato-ku, Tokyo Haseko Corporation (72) Inventor Shunichi Hamano 4-2-2 Shiba, Minato-ku, Tokyo Inside (72) Inventor Tomoyuki Mizuno 32-2-1 Shiba 2-chome, Minato-ku, Tokyo Haseko Corporation (58) Fields surveyed (Int.Cl. ⁶ , DB name) E04H 1/04

Claims (1)

(57) [Claims] 1. A staircase type multi-family apartment house, a fire door corresponding to each dwelling unit is provided on a wall of the staircase, and each dwelling unit has an entrance porch facing the fire door and open to the outside air. A staircase-type multi-story apartment house, which is provided with an entrance facing the entrance porch.