JP2018076740A - Collective housing - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a collective housing that can be built compactly even on a narrow site while securing a large number of dwelling units and sufficiently secures evacuation methods in a case of emergency.SOLUTION: There is provided a multi-storey collective housing exceeding 31 meters in height comprising a plurality of dwelling units 1 provided side by side on each floor, a common hallway 2 connecting the plurality of dwelling units 1, an emergency elevator 4A connecting an evacuation floor and all floors, and an evacuation staircase 3 connecting the evacuation floor and the common hallway 2 of all floors. The emergency elevator 4A is provided in a state of being in contact with a party wall 8 partitioning the adjacent dwelling units 1 and in a state of facing the common hallway 2. A hallway section 2A located on one side of the common hallway 2 across the emergency elevator 4A and a hallway section 2B located on the other side of the common hallway 2 across the emergency elevator 4A are configured so that people can freely come and go through an ancillary room 5A for the emergency elevator 4A.SELECTED DRAWING: Figure 2

Description

  The present invention relates to a multi-storey apartment house having a height of more than 31 meters.

  When an apartment house having a large number of dwelling units is to be built on a narrow site, it is often a so-called plate-like form that is a simple planar shape. An example of a plate-shaped apartment house is shown in Patent Document 1. In such a plate-shaped apartment house, each floor has a plurality of dwelling units arranged side by side, a shared corridor that connects a plurality of dwelling units, an elevator that connects the evacuation floor and all the floors, and an evacuation floor There is a staircase that connects the common hallway to all floors. In this apartment house, the elevator and its entrance / exit lobby are arranged on the opposite side of the dwelling unit across the common hallway.

Japanese Patent No. 4246078 (FIG. 2)

  On the other hand, if the number of dwelling units is to be secured, the building will become taller. And as a general rule, it is necessary to equip building which exceeds 31 meters with emergency elevator in building standard law, and it is necessary to install additional room meeting certain requirements side by side in emergency elevator There is.

  However, in the above-described prior art and the like, when an emergency elevator and ancillary room are to be further arranged, these are usually provided in a state of projecting to the opposite side of the dwelling unit with respect to the common hallway. Then, the protrusion to the outside becomes large, and it becomes difficult to satisfy the laws and regulations such as the oblique line restriction, the building cannot be laid out well on the site, and the building plan may not be established.

  Moreover, the emergency elevator and the ancillary room are provided for fire fighting activities, and there is a situation in which it is difficult to change from the above-described layout that has been conventionally employed in relation to an emergency evacuation route.

  In view of the above circumstances, an object of the present invention is to provide a housing complex that can be built compactly even in a small site while securing a large number of dwelling units, and also has a sufficiently secured emergency evacuation method. Yes.

The housing complex according to the present invention is
It is a multi-storey apartment building with a height of 31 meters,
On each floor, a plurality of dwelling units are provided side by side, and a common corridor connecting the plurality of dwelling units is provided,
An emergency elevator that connects the evacuation floor and all the floors, and an evacuation stairs that connects the evacuation floor and the common hallway of all the floors,
The emergency elevator is provided in a state in contact with a boundary wall partitioning the adjacent dwelling units, and in a state facing the common hallway,
Of the shared hallway, a hallway portion located on one side of the emergency elevator and a hallway portion located on the other side of the shared hallway across the emergency elevator are attached to the emergency elevator. A person can freely come and go through the room.

According to the present invention, on each floor, the emergency elevator is disposed in contact with the doorway wall, and the auxiliary room is disposed between the hallway part located on one side and the hallway part located on the other side. I am doing so. Thereby, it becomes the arrangement | positioning which the emergency elevator and an accompanying room entered into the dwelling unit side, the protrusion to the outer side of an emergency elevator and an accompanying room is suppressed, and the whole is united and becomes a compact shape. For this reason, while securing a large number of dwelling units, even in a small site, it becomes easy to satisfy the laws and regulations such as the oblique line restriction, and the apartment house can cope with various site conditions.
In addition, in each floor, people can freely come and go between the corridor portion on the one side and the corridor portion on the other side via an attached room. For this reason, in the event of an emergency such as a fire, a resident of a dwelling unit facing the corridor on one side and a dwelling unit facing the corridor on the other side evacuate the attached room toward the evacuation floor It can be used as a primary safety zone that can be temporarily evacuated, and evacuation in an emergency can be suitably performed.
As described above, according to the present invention, it is possible to build a compact even in a small site while securing a large number of dwelling units, and a sufficient emergency evacuation method is ensured.
In addition, if it is this invention, the following effects are also show | played. According to the present invention, emergency elevators and ancillary rooms are arranged at locations where the floor area of some of the dwelling units is reduced, so on each floor, a dwelling unit pattern with a relatively small floor area can be created, and plan variations increase. In order to make the housing complex easy to meet the needs of various customers, and to utilize the legal floor area ratio to the maximum, the reduced floor area is allocated as the floor area of the higher floors, making the building higher and looking It is possible to make a housing complex with high added value dwelling units.

In the present invention,
The evacuation stairs are provided in a state protruding from the common hallway to the opposite side of the dwelling unit,
The attached room is provided in a state where natural smoke can be directly discharged from the attached room,
It is preferable that the escape staircase is provided at a position away from the attached room in the extending direction of the common hallway.

  According to this configuration, since the evacuation stairs are separated from the attached room, for example, even if the evacuation stairs are used as outdoor evacuation stairs and natural smoke is exhausted from the attached room to the outside in the event of a fire, the smoke does not easily reach the evacuation stairs. Become. For this reason, it is not necessary to provide mechanical smoke exhausting equipment in the attached room, and the structure can be simplified.

In the present invention,
A plurality of the escape stairs are connected to the common corridor;
It is preferable that the attached room is provided at a position between the adjacent escape stairs in the extending direction of the common hallway.

  According to this configuration, residents in each floor can evacuate from multiple evacuation stairs to the evacuation floor through the common corridor in an emergency, or the ancillary room that serves as the primary safety zone is the base. It is possible to evacuate from both the evacuation stairs located on one side of the room and the evacuation stairs located on the other side of the attached room toward the evacuation floor, and increase the number of evacuation routes. .

It is the east side elevation which shows the appearance of an apartment house. It is a schematic diagram of the planar view which shows the layout of the floor where a dwelling unit is arrange | positioned in an apartment house. It is a schematic diagram of the planar view which shows another embodiment. It is a schematic diagram of the planar view which shows another embodiment.

Hereinafter, an embodiment which is an example of the present invention will be described with reference to the drawings.
FIG. 1 shows a high-rise multi-story (n-story, for example, 26-story) plate-shaped apartment house with a height of more than 31 meters. This apartment house is a fireproof building. In FIG. 1, 1FL, 2FL, 3FL, and nFL indicate the floor level of each floor, and PHFL indicates the floor level of the roof penthouse PH.

  As shown in FIG. 2, the apartment house is provided with a plurality of dwelling units 1 side by side along the east-west direction and a straight-line shared corridor 2 that connects the plurality of dwelling units 1 on each floor. .

  As shown in FIGS. 1 and 2, the apartment house includes a plurality of (two in this embodiment) connecting the evacuation floor A (the first floor) and the common hallway 2 on all the other floors (from the second floor to the top floor). ) Evacuation stairs 3, a plurality of (in this embodiment, two) elevators 4 that connect the evacuation floor A and all the other floors, and an entrance / exit lobby 5 for the elevator 4.

  As shown in FIG. 2, the layout of each floor is a mode in which a plurality of (two in this embodiment) units 6 are combined. The unit 6 includes a unit 6A on one side located on the west side and a unit 6B on the other side adjacent to the unit 6A located on one side located on the east side.

  Each unit 6 includes a plurality of (three in this embodiment) dwelling units 1, one common corridor 2, one evacuation stairs 3, one elevator 4, one entry / exit lobby 5, A part of the balcony 7 and one evacuation hatch 9 are included.

  The plurality of dwelling units 1 belong to one side unit 6A, and the front door 10 belongs to one side dwelling unit 2A connected to one side corridor portion 2A of the common corridor 2 and the other side unit 6B. The entrance door 10 is provided with a plurality of other side dwelling units 1B connected to the other side corridor portion 2B of the common corridor 2. Between the dwelling units 1A on one side and between the dwelling units 1B on the other side, each is divided by a door wall 11. Between the east end dwelling unit 1A of the one side dwelling unit 1A and the west end dwelling unit 1B of the other side dwelling unit 1B, it is partitioned by a door wall 8.

  The common hallway 2 is arranged in the north part of the apartment house. The shared corridor 2 is an open corridor that is open to the outside air, and is well ventilated. The common hallway 2 belongs to the unit 6A on one side, and in the extending direction of the common hallway 2, the hallway portion 2A located on one side across the emergency elevator 4A and the auxiliary room 5A for the emergency elevator 4A, and the other In the extending direction of the common corridor 2, an emergency elevator 4A and a corridor portion 2B located on the other side of the auxiliary room 5A for the emergency elevator 4A are provided.

  Each evacuation staircase 3 is arranged in the north part of the apartment house. Each evacuation staircase 3 is provided so as to protrude to the opposite side of the dwelling unit 1 across the common hallway 2. Each escape staircase 3 is an outdoor escape staircase that is open to the outside air. As the evacuation stairs 3, one evacuation stairs 3A belonging to one unit 6A and the other evacuation stairs 3B belonging to the other unit 6B are provided.

  The elevator 4 belongs to the unit 6A on one side and is an emergency elevator 4A that connects the evacuation floor A and all other floors, and the passenger elevator that belongs to the other unit 6B and connects the evacuation floor A to all other floors. 4B.

  As shown in FIG. 2, the emergency elevator 4 </ b> A and the passenger elevator 4 </ b> B are provided in a state in contact with the boundary wall 8 that partitions the adjacent dwelling unit 1 </ b> A and dwelling unit 1 </ b> B and facing the common corridor 2. . The emergency elevator 4 </ b> A and the passenger elevator 4 </ b> B are arranged at locations where the exclusive space of the dwelling unit 1 is reduced. That is, the emergency elevator 4A enters a space in which the northeast corner portion of the east end dwelling unit 1A is reduced in the dwelling unit 1A on one side so as not to protrude to the common corridor 2, and the passenger elevator 4B In order to prevent the housing unit 1B from projecting, it has entered the space where the northwest corner portion of the west end unit 1B of the other side unit 1B has been reduced, and accordingly, the dwelling units 1A and 1B have a small floor area.

  As the getting-on / off lobby 5, an auxiliary room 5 </ b> A for the emergency elevator 4 </ b> A (an getting-on / off lobby for the emergency elevator 4 </ b> A) and an getting-on / off lobby 5 </ b> B for the passenger elevator 4 </ b> B are provided. The attached room 5A and the entrance / exit lobby 5B are provided between the adjacent escape stairs 3 in the extending direction of the common hallway 2. The attached room 5A and the boarding / alighting lobby 5B are arranged in a manner that does not protrude outward from the escape stairs 3.

[Attachment room for emergency elevator]
The auxiliary room 5A for the emergency elevator 4A is located between the corridor portion 2A on one side and the corridor portion 2B on the other side. During normal times and in emergencies such as fires, the corridor portion 2A on one side and the corridor portion 2B on the other side are configured so that people can freely pass through the attached room 5A. .

  The attached room 5A is provided with a plurality of (two in the present embodiment) fire doors 12 that are closed at any time and a plurality (two in the present embodiment) smoke exhaust windows 13 as natural smoke exhaust facilities. Yes.

  As shown in FIG. 2, the fire door 12 is configured as a door that can be opened and closed. The fire door 12 is normally open (indicated by a solid line in FIG. 2). The fire door 12 automatically enters a closed state (indicated by a two-dot chain line in FIG. 2) when fire smoke is detected by a smoke detector (not shown) disposed at a predetermined location. The attached room 5A is partitioned from other areas. The fire door 12 in the closed state can be manually opened and closed. In the event of a fire, by manually opening the fire door 12, people can come and go between the attached room 5A and the one-side corridor 2A, and between the attached room 5A and the one-side corridor 2A. It is like that.

  The fire door 12 includes a fire door 12A on one side facing the corridor portion 2A on one side and a fire door 12B on the other side facing the corridor portion 2A on the other side. The fire door 12A on the one side is composed of a foldable door. The fire door 12B on the other side is constituted by a double door.

  The smoke exhaust window 13 is provided on the opposite side to the emergency elevator 4A in the attached room 5A so as to face the north side outdoors. The smoke exhaust window 13 can discharge the smoke in the attached room 5A toward the outdoors during a fire. That is, the attached room 5A is provided in a state in which natural smoke can be directly discharged from the attached room 5A.

  Here, the escape staircase 3 is provided at a position away from the attached room 5A so as not to contact the attached room 5A in the extending direction of the common hallway 2. When the explanation is added, the evacuation staircase 3 is arranged at a location separated from the attached room 5A by a predetermined distance T which is a necessary separation distance as an outdoor evacuation staircase. In addition, a certain distance is secured between the evacuation staircase 3 and the smoke exhaust window 13 so that the smoke from the smoke exhaust window 13 at the time of a fire does not easily reach the escape staircase 3.

[About balcony and evacuation hatch]
As shown in FIG. 2, the balcony 7 is provided over all of the dwelling units 1 included in the unit 6A on one side and the unit 6B on the other side. The balcony 7 is arrange | positioned in the south part of the apartment house. Between the portions assigned to the dwelling unit 1 in the balcony 7, a separation plate 14 that can be kicked is provided.

  A plurality (two in the present embodiment) of evacuation hatches 9 are provided on the balcony 7. The evacuation hatch 9 belongs to one side unit 6A and belongs to the one side evacuation hatch 9A arranged at one end of the balcony 7 and the other side unit 6B and belongs to the other side end of the balcony 7 The other-side evacuation hatch 9B is provided.

  Each evacuation hatch 9 communicates with a balcony 7 on the adjacent floor. The evacuation hatch 9 is disposed so as to be displaced from the evacuation hatch 9 on the adjacent floor. In the event of an emergency such as a fire, the board 14 is destroyed as necessary, and the balconies 7 are moved toward the evacuation hatch 9 and moved from the evacuation hatch 9 toward the evacuation floor A.

[Regarding normal usage mode]
During normal times, the fire door 12A on one side and the fire door 12B on the other side are both in an open state (shown by a solid line in FIG. 2), and the accompanying room 5A for the emergency elevator 4A. And a passenger lobby 5B for the passenger elevator 4B are integrated to form a large elevator hall. For this reason, the resident of the one-side dwelling unit 1A can access both the emergency elevator 4A and the passenger elevator 4B. Also, the resident of the other side dwelling unit 1B can access both the emergency elevator 4A and the passenger elevator 4B.

  That is, in a normal time, a resident of each dwelling unit 1 can use two elevators 4. Thereby, the waiting time of the elevator 4 can be shortened. Moreover, even if one of the emergency elevator 4A and the passenger elevator 4B becomes temporarily unavailable due to, for example, inspection, etc., it moves to another floor using the other of the emergency elevator 4A and the passenger elevator 4B. Since it is possible, inconvenience is not easily generated.

  Further, in normal times, basically, the resident of the one-side dwelling unit 1A does not need to pass in front of the front door 10 of the other-side dwelling unit 1B, and the resident of the other-side dwelling unit 1B There is no need to pass through the front door 10 of the dwelling unit 1A. For this reason, the privacy of each dwelling unit 1 is high.

[Evacuation in case of emergency (in case of fire)]
A case where evacuation is performed from the one-side dwelling unit 1A toward the evacuation floor A will be described as an example. For example, the user can move from the one-side dwelling unit 1A to the one-side corridor 2A and evacuate from the one-side corridor 2A to the evacuation floor A using the one-side evacuation stairs 3A (the first evacuation shown in FIG. 2). Path P1).

  Moreover, for example, it moves from the one-side dwelling unit 1A to the one-side hallway portion 2A, and manually opens the one-side fire door 12A from the one-side hallway portion 2A as necessary, and moves to the attached room 5A. Then, the fire door 12B on the other side is manually opened from the attached room 5A as necessary, moved to the other evacuation stairs 3B through the corridor portion 2A on the other side, and evacuated using the evacuation stairs 3B on the other side. Evacuate toward the floor A (second evacuation route P2 shown in FIG. 2). Moreover, it returns to the corridor part 2A of one side from the attached room 5A, and can evacuate toward the evacuation floor A from the corridor part 2A of one side using the one side evacuation stairs 3A (third evacuation route P3 shown in FIG. 2) .

  At this time, the smoke exhaust window 13 provided in the attached room 5A is sufficiently separated from the evacuation stairs 3A on one side and the evacuation stairs 3B on the other side, so from the evacuation stairs 3A on the one side and the evacuation stairs 3B on the other side. When evacuating, the smoke discharged from the smoke exhaust window 13 is difficult to reach.

  Also, for example, after moving from the one-side dwelling unit 1A to the attached room 5A, wait in the attached room 5A, wait for a rescuer such as a firefighter to arrive, and evacuate by the emergency elevator 4A together with the rescuer. It is possible (fourth evacuation route P4 shown in FIG. 2).

  In addition, for example, it moves from the dwelling unit 1A on one side to the balcony 7, moves to the evacuation hatch 9A on one side, destroying the partition plate 14, and descends to the balcony 7 on the lower floor using the evacuation hatch 9A on one side, By repeating the movement in the same manner using the downstairs evacuation hatch 9B, it is possible to evacuate toward the evacuation floor A (the fifth evacuation route P5 shown in FIG. 2).

  Also, for example, moving from the dwelling unit 1A on one side to the balcony 7, moving to the evacuation hatch 9B on the other side, destroying the partition plate 14, and descending to the balcony 7 on the lower floor using the evacuation hatch 9B on the other side, By repeating the movement in the same manner using the downstairs evacuation hatch 9B, it is possible to evacuate toward the evacuation floor A (sixth evacuation route P6 shown in FIG. 2).

  In this way, many evacuation routes are secured from the one-side dwelling unit 1A in the event of an emergency such as a fire. Similarly, many evacuation routes from all the dwelling units 1 in the event of an emergency such as a fire are provided. It is secured. Also, in the event of an emergency such as a fire, both the one-side dwelling unit 1A and the other-side dwelling unit 1B can access the attached room 5A, so the attached room 5A is first and safely evacuated first. It can be used as a primary safety zone that can be used. For this reason, the housing complex which is highly convenient and excellent in safety can be configured.

  In addition, as shown in FIG. 2, the emergency elevator 4A and the passenger elevator 4B are arranged at locations where the floor area of some of the dwelling units 1 is reduced, so that the attached room 5A for the emergency elevator 4A and the passenger elevator The entrance / exit lobby 5B for 4B is arranged so as not to protrude greatly to the outside in a plan view. Since the reduced floor area is allocated to the floor area of the high-floored dwelling unit 1 in order to make maximum use of the permitted floor area ratio, as shown in FIG. nth floor) dwelling unit 1 can be secured. For this reason, it is possible to configure a high-rise plate-shaped apartment house with a high-class feeling that can be built compactly without difficulty even in a small site while securing a large number of dwelling units.

[Another embodiment]
Hereinafter, another embodiment in which the above embodiment is modified will be described. The following other embodiments can be applied in combination with the above embodiment as long as no contradiction arises. The scope of the present invention is not limited to the contents shown in each embodiment.

(1) In the above embodiment, an example is shown in which a person can travel between the corridor portion 2A on one side and the corridor portion 2B on the other side only through the attached room 5A. It is not limited to this.

(1-1) For example, as shown in FIG. 3, a bypass corridor 20 that is connected to connect the corridor portion 2A on one side and the corridor portion 2B on the other side and bypasses the outside of the attached room 5A is separately provided. It may be provided. The bypass corridor 20 can be an outdoor corridor that is open to the outside air. A wall 21 is provided between the bypass hallway 20 and the attached room 5A, and the bypass hallway 20 is not in direct communication with the attached room 5A. According to such a layout, people can come and go between the corridor portion 2A on the one side and the corridor portion 2B on the other side through the bypass corridor 20, and the variation of the emergency evacuation route can be reduced. Can be increased. In the present embodiment (FIG. 3), a smoke exhaust window is provided at a high position near the ceiling of the wall 21 that partitions the bypass corridor 20 and the attached room 5A. In the event of a fire, natural smoke can be exhausted from the smoke exhaust window.

(1-2) Also, for example, as shown in FIG. 4, the communication corridor 30 is arranged so as to connect the corridor portion 2A on one side and the corridor portion 2B on the other side and bypass the outside of the attached room 5A. May be provided separately. Communication doors 31 that can be manually opened and closed are disposed between the corridor portion 2A on one side and the communication corridor 30, and between the corridor portion 2B on the other side and the communication corridor 30, respectively. The communication corridor 30 communicates with the attached room 5A, and the communication corridor 30 also constitutes a part of the elevator hall. As a result, the floor area of the elevator hall can be secured widely, and the communication door 31 is manually opened and closed between the corridor portion 2A on one side and the corridor portion 2B on the other side via the communication corridor 30. People can come and go and increase the number of emergency evacuation routes. Also in the present embodiment (FIG. 4), natural smoke can be exhausted from the smoke exhaust window 13 during a fire or the like.

(2) In the above embodiment, the fire door 12 is illustrated as being openable and closable manually even after being closed in an emergency, but is not limited thereto. For example, when the fire door 12 is closed in an emergency, the fire door 12 may be manually opened and closed. In this case, the fire door 12 is provided with a freely openable / closable door (or child door), and when the fire door 12 is in a closed state, the door 5A and the common corridor 2 are passed through the door (or child door). It is preferable to enable movement between the corridor portions 2A and 2B.

(3) Although the door-type thing is illustrated as the fire door 12 in the said embodiment, it is not restricted to this. For example, the fire door 12 may be a shutter type instead of the door type. In this case, the shutter-type fire door is provided with a child door or a hollow door that allows people to come and go between the attached room 5A and the corridor portions 2A and 2B of the common corridor 2 by manually opening and closing. Become.

(4) In the above-described embodiment, the fire detection is performed by the smoke detector, but the present invention is not limited to this. For example, a fire may be detected by another sensor such as a heat sensor or a flame sensor.

(5) In the said embodiment, although the smoke-exhaust window is provided in the attached room 5A as natural smoke-exhaust equipment, as this smoke-exhaust window, various types, such as a fall-down window and a sliding window, are shown. Windows can be selected. The smoke exhaust window may be manually opened and closed, or may be automatically opened in the event of a fire. In addition, as a natural smoke exhausting facility for the attached room 5A, a simple opening (single or plural) may be provided instead of the smoke exhausting window. The size and installation height of such a smoke exhaust window and opening can be variously set according to conditions.

(6) In the above embodiment, the attached room 5A is provided in a state in which natural smoke can be directly discharged from the attached room 5A (the attached room 5A is provided with a natural smoke removal facility). However, it is not limited to this. For example, the attached room 5A may be provided with a mechanical smoke exhausting facility so that the smoke can be forcibly exhausted from the attached room 5A in the event of a fire or the like.

(7) In the above embodiment, the emergency elevator 4A and the passenger elevator 4B are illustrated, but the invention is not limited thereto. For example, the passenger elevator 4B may be replaced with another emergency elevator.

(8) In the above embodiment, the shared corridor 2 that is an open corridor opened to the outside air is illustrated, but the present invention is not limited thereto. For example, the shared corridor 2 may be a corridor that is not exposed outdoors.

(9) In the above embodiment, the outdoor evacuation stairs opened to the outside air as the evacuation stairs 3 are exemplified, but the present invention is not limited to this. For example, the evacuation stairs 3 may be replaced with an indoor evacuation stairs that are shielded from the outside air, or may be replaced with special evacuation stairs that satisfy predetermined requirements.

(10) In the above-described embodiment, each unit 6 includes three units 1, one common hallway 2 that connects the units 1, one evacuation stairs 3, one elevator 4, and one boarding / exiting lobby 5. In addition, although a part of the balcony 7 and one evacuation hatch 9 are illustrated, the present invention is not limited thereto. For example, each unit 6 may include one, two, four or more dwelling units 1. Further, for example, each unit 6 may be provided with two or more elevators 4 and an entrance / exit lobby 5. For example, each unit 6 may be provided with two or more evacuation hatches 9.

(11) In the above embodiment, an example in which two units 6 are provided on each floor is illustrated, but the present invention is not limited to this. For example, three or more units 6 may be provided on each floor.

(12) In the above embodiment, the plurality of dwelling units 1 are illustrated as being arranged side by side along the east-west direction, but the present invention is not limited thereto. For example, the plurality of dwelling units 1 may be provided side by side along the north-south direction, and the arrangement direction of the dwelling units 1 may be various.

  The present invention can be used for a multi-storey apartment house having a height of more than 31 meters.

1: Dwelling unit 2: Common corridor 2A, 2B: Corridor part 3: Evacuation stairs 4A: Emergency elevator 5A: Attached room 8: Door wall A: Evacuation floor

Claims (3)

It is a multi-storey apartment building with a height of 31 meters,
On each floor, a plurality of dwelling units are provided side by side, and a common corridor connecting the plurality of dwelling units is provided,
An emergency elevator that connects the evacuation floor and all the floors, and an evacuation stairs that connects the evacuation floor and the common hallway of all the floors,
The emergency elevator is provided in a state in contact with a boundary wall partitioning the adjacent dwelling units, and in a state facing the common hallway,
Of the shared hallway, a hallway portion located on one side of the emergency elevator and a hallway portion located on the other side of the shared hallway across the emergency elevator are attached to the emergency elevator. Apartment house where people can freely come and go through the room. The evacuation stairs are provided in a state protruding from the common hallway to the opposite side of the dwelling unit,
The attached room is provided in a state where natural smoke can be directly discharged from the attached room,
The apartment house according to claim 1, wherein the escape stairs are provided at a position away from the attached room in the extending direction of the common hallway. A plurality of the escape stairs are connected to the common corridor;
The apartment house according to claim 1 or 2, wherein the attached room is provided at a position between the adjacent evacuation stairs in the extending direction of the common hallway.

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