JPH05332036A - Multiple dwelling house and construction method thereof - Google Patents

Abstract

(57) [Abstract] [Purpose] To provide a high-floor house that is excellent in building structure strength, can reduce construction cost, and can effectively utilize indoor space, and a construction method thereof. [Structure] A pair of right and left bearing walls 3 are provided with a space H therebetween. A ramen column portion 4 having a long cross section facing the inner surface side of each of the left and right bearing walls 3 and having a long cross section in the girder direction is spanned P
Are formed at equal intervals. The upper portions of the pair of left and right ramen column parts 4 are connected by a lateral ramen beam member 5 in the beam direction. Further, along the upper portion of the load-bearing wall 3, the upper portions of the column portions of the rigid frame are connected by the front and rear rigid beam members 7. Further, a floor surface 9 integral with both beam members 5 and 7 is formed. [Effect] The front and rear of the building can be opened entirely, an indoor space can be efficiently provided between the bearing walls 3, and the construction cost can be reduced.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apartment house made of reinforced concrete structure and its construction method.

[0002]

2. Description of the Related Art Reinforced concrete structure is a structure in which concrete is reinforced with reinforcing bars, and is widely used as a structure for middle- and low-rise apartments due to the proposal of securing safety and non-combustion of houses. Is another wooden
It is safer and more durable than a steel structure.
As a building structure using concrete, a wall-type structure composed of a bearing wall A that covers the outside of the building shown in FIG. 11 and a partition wall B that is a bearing wall arranged inside the building, and the top of the ramen column is a ramen. A gate-shaped rigid frame structure that is rigidly connected by beams is widely used.

[0003]

In the above conventional wall structure, the entire building is surrounded by a load bearing wall A in a box shape, and a partition wall B serving as a load bearing wall is arranged in the building without using columns and beams. It forms a structure that can withstand vertical loads applied to buildings and horizontal forces such as seismic forces. However, in such a wall type structure, since the partition wall B, which is a load-bearing wall, must be provided in the room, the room layout is likely to be restricted by the partition wall B, and the room layout must be changed when remodeling the room. In addition, if the opening is formed in the bearing wall A of the box-shaped outer wall, the strength of the entire building is reduced, so that a large opening cannot be formed. It was not possible to form a large opening for entering and exiting. Further, in the field construction, in order to form the partition wall B in the room other than the load bearing wall A surrounding the building, many formwork constructions are required, and there is a problem that the workability is poor. In addition, since the ramen structure is a structure consisting of columns and beams, the columns themselves become thicker, and especially when the building is to have multiple floors, columns for supporting vertical loads project to the inside of the building to effectively use the space inside the building. There was a problem that it could not be used.

Therefore, an object of the present invention is to provide an apartment house and its construction method which can reduce the construction cost and can effectively utilize the indoor space.

[0005]

The housing complex of claim 1 of the present invention is made of reinforced concrete, and has a pair of left and right bearing walls vertically arranged at intervals, and integrally formed so as to face each of the left and right bearing walls. A rigid frame column portion having a long cross section along the load bearing wall, a horizontal rigid beam member connecting the upper portions of the pair of left and right rigid frame columns, and a rigid frame column portion formed along the upper portion of the load bearing wall. It is provided with front and rear frame beam members that connect the upper portions, and a floor surface that is integral with both beam members.

According to a second aspect of the present invention, the method for constructing an apartment house is as follows. After assembling a reinforcing bar, a formwork is assembled, concrete is placed in the formwork, and the load-bearing walls and the ramen pillars of each floor are formed. Is a construction method in which the layers are stacked at the same position on the top and bottom.

[0007]

With the structure of claim 1, the front and rear of the building can be entirely opened, and the indoor space can be efficiently provided between the bearing walls.

Further, according to the structure of the second aspect, the vertical load of the upper floor can be efficiently transmitted to and supported by the lower floor by the load bearing wall and the ramen column portion at the same position on the upper and lower floors.

[0009]

Embodiments of the present invention will be described below with reference to the accompanying drawings. 1 to 9 show a first embodiment of the present invention. First, the structure of a unit structure 1 made of reinforced concrete which constitutes one section of each floor of a building will be described. The unit structure 1 shown at the left end of FIG. A pair of left and right load bearing walls 3 having a thickness of 15 cm are erected on the foundation 2 with an interval H = 540 cm corresponding to the indoor width. These load bearing walls 3 are long in the girder direction and face each other on their inner surfaces. A ramen pillar portion 4 having a bulging portion 4A having a long cross section in the longitudinal direction of the load bearing wall 3 is formed, and the ramen pillar portion 4 has a thickness T of 30 cm,
From the inner surface of the load bearing wall 3, the bulging portion 4A has a thickness of 15
The protrusion U is formed to have a width U of 90 cm, and the ramen column portions 4 are arranged at a pitch P of 340 cm in the column direction, that is, the length direction of the load-bearing wall 3.
The upper portions of the left and right pair of the rigid frame pillars 4 are rigidly connected by a transverse rigid frame beam member 5 in the beam direction that is perpendicular to the load-bearing wall 3, and the lateral rigid frame beam members 5 are narrower than the rigid frame pillars 4. The left and right pair of the rigid frame pillars 4 and the lateral rigid beam members 5 form a left and right frame structure 6 shown in the cross section of FIG. The front and rear ramen beam members 7 in the girder direction for rigidly connecting 4 are integrally provided, and the front and rear ramen beam members 7 have a thickness T of the ramen column portion 4.
And the front and rear ramen beam members 7 form a front and rear ramen structure 8 shown in the cross section of FIG. 6, and further, the horizontal and front ramen beam members 5 and 7 are formed. The floor surface 9 is formed integrally with the upper surface of the floor. The unit structure 1 is made of reinforced concrete having reinforcing bars arranged inside the concrete. Further, the pitch P is based on the center of the ramen column portion 4. Then, the load-bearing wall 3 and the ramen pillar 4 are made to be on the same plane, and the unit structure 1 is stacked on four layers, that is, on the fourth floor, and the first floor is used as a multipurpose space in which the front and rear sides are fully opened, or used as a parking lot or a parking lot Outer walls with openings 10A to windows or balconies on the 2nd to 4th floors
Form 10 and make the inside the house. Further, in this example, as shown in FIG. 1, the unit structures 1 are arranged side by side in a plane shape with the ramen pillars 4 being offset by one span in the front and back, and the right side of the structure 1 at the left end in the figure is arranged. A narrow entrance hole 11 is formed on the left and right where stairs are provided, and two unit structures 1 and 1 are formed on the right side of the entrance hole 11. In this case, in the structures 1 and 1 formed side by side, the central bearing wall 3 is also used as the left and right so as to divide the right and left, and 7.5 cm thick from the inner surface of the bearing wall 3 having a thickness of 15 cm. A ramen column portion 4 is formed by protruding the bulging portion 4B. The ramen column portion 4 has a thickness T of 30 cm and a width U of 90 cm. still,
In the figure, 11A is an entrance communicating from the entrance hall 10 to the inside of the room.

In the construction of the above-mentioned structure, as shown in FIG. 9, a reinforcing bar for rigidly connecting the rigid frame post 4, the lateral rigid beam member 6 and the front and rear rigid beam members 8 of the unit structure 1 constituting the first floor. 12 are assembled, and a reinforcing bar 12 that rigidly connects the rigid frame post 4, the lateral rigid beam member 6 and the front and rear rigid beam members 8 with the bearing wall 3 and the floor plate 9 is assembled.
At the same time, the rebar 12 that connects the unit structures 1 together is assembled,
After that, a formwork (not shown) is assembled, and concrete is placed in the formwork to form each unit structure 1 of the first floor portion having an opening 13 which is open to the front and back, and in this case, the first floor. The thickness T of the ramen pillar part 4 is 35 cm in consideration of the snow load, and subsequently, as shown in FIGS. 7 and 8, the load bearing wall 3 and the ramen pillar part 4 on the upper and lower floors are placed at the same position in the vertical direction. Reinforcing bars 12 are assembled so that they are stacked, and these reinforcing bars 12 are also connected to the reinforcing bars 12 on the lower floor. After that, a formwork is assembled and concrete is placed, and each floor is sequentially constructed to form a reinforced concrete structure that forms the fourth floor. .. Further, on the uppermost fourth floor, a roof surface 9A made of reinforced concrete, which is the floor surface, is provided at the upper part. The thickness T of all floors can be made the same depending on design conditions.

As described above, according to the present invention, a pair of right and left load bearing walls 3 made of reinforced concrete and arranged vertically at intervals H.
And a lateral side connecting the upper portions of the pair of left and right rigid frame columns 4 and a rigid frame column part 4 which is integrally formed so as to face the inner surfaces of the left and right lateral wall 3 and has a long cross section along the lateral wall 3. The unit structure 1 is composed of the rigid frame beam member 5, the front and rear rigid frame beam members 7 formed along the upper part of the bearing wall 3 and connecting the upper parts of the rigid frame columns, and the floor surface 9 integrated with both beam members 5, 7. Since it is configured, it is possible to construct a house that reasonably secures the strength against horizontal load and vertical load, and there is no need for the internal structural partition wall B that was required in the conventional wall type structure. In addition, it is possible to reduce the number of beams protruding into the room as much as possible, it is possible to plan the room freely, and it becomes possible to allocate the effective area in the room.
Furthermore, the floor plan can be freely changed when remodeling the room. And, for example, in the Public Housing Act, etc.
Although the inner dimension of the pillar protruding into the room is defined based on a multiple of 300 mm, the present invention has a structure in which only the bulging portion 4A having a long cross section in the girder direction protrudes into the room. The distance between pillars in the direction can be widened, and the degree of freedom in setting the distance between pillars is increased in the design of a house. In addition, since the front and rear walls of the building do not expect proof strength in the calculation of the building structure, for example, on the first floor, the front and rear surfaces should be fully opened to provide the opening 13, and a convenient parking lot or bicycle parking lot with a wide frontage should be provided. it can. In addition, in the second floor and above where a house is provided, the adjacent bearing house 3 can be efficiently divided and cut off by the bearing wall 3 and the ramen pillar 4 in the middle, and the front and rear outer walls 10 are not related to the structural calculation of the building. Therefore, it is possible to freely set an opening for entering or exiting a window or a balcony, and it is possible to easily consider sunlight and ventilation in designing a house. Furthermore, since the conventional partition wall B made of reinforced concrete is no longer required, the amount of concrete used is almost 20% compared to the wall type structure.
It is possible to reduce the amount of formwork used by as much as 20 to 40%, and it is possible to reduce the material cost of the concrete used and the formwork and improve the workability.

As an effect of the embodiment, the unit structure 1
By performing the structural calculation for each unit, the plurality of unit structures 1 can be freely arranged depending on the conditions such as the land of the construction site and the sunshine. In addition, by arranging the horizontal rigid beam members 5 at an equal pitch P, for example, at 340 cm intervals,
The floor surface 9 can be efficiently supported by these lateral rigid beam members 5, for example, in an area where plate vibration does not occur, and it is not necessary to provide a beam or the like between the lateral rigid beam members 5,
The complexity of construction can be reduced and the amount of formwork used can be reduced. In addition, by adopting a raised floor type with no housing provided on the first floor and a parking lot or the like, it is possible to avoid a snow damage to the house during the winter season in a snowfall area and provide a house that is easy to use. Further, the structure in which the left and right frame structure 6 and the front and rear frame structure 8 are combined allows the height dimension of the lateral beam member 5 to be relatively small. For example, in a public housing, from the floor surface 5 to the beam bottom of the ceiling. If there are restrictions on the minimum standard size for the
The height of each floor can be kept low. Further, due to the structure in which the lateral ramen beam members 5 that are narrower than the ramen pillar parts 4 are connected to the ramen pillar parts 4, the lateral ramen beam members 5 are arranged within the width of the ramen pillar parts 4 in units of, for example, about 15 cm. It can be moved in parallel to the direction and can be connected to the rigid column part 4. Before and after the building in contact with the outside, the lateral rigid beam member 5 can be provided flush with the outer surface of the building to form an uneven outer surface. it can.
Further, in the conventional wall type structure, the thickness of the bearing wall A must be set to, for example, 18 cm or more according to the building standards,
By using a structure in which the ramen structures 6 and 8 and the load bearing wall 3 are combined, the thickness of the load bearing wall 3 can be reduced to, for example, 15
It can be made as thin as a centimeter, and the amount of concrete used can be reduced. Furthermore, the interval H is set to 5.4.
The pitch P of the meter and the ramen column part 4 is set to 3.4 meters, the lateral ramen beam members 5 are provided at substantially the same pitch P as the ramen column part 4, and the area of the floor surface 9 corresponding to the adjacent lateral ramen beam members 5 Is about 18.36 square meters in this example, and the area is set within 20 square meters.
A beam for supporting the floor is not required, and the floor surface 9 can be efficiently supported, and the lateral rigid beam member 5
The beam formation, that is, the height dimension can be made relatively small, and the indoor height space can be effectively used.

Further, according to the present invention, after the reinforcing bars 12 have been assembled, the formwork is assembled, concrete is placed in the formwork, and the load-bearing walls 3 and the ramen pillars 4 on each floor are laminated at the same position vertically. Therefore, it is possible to improve the efficiency of the formwork work, and in the lower floor and the upper floor, the load-bearing wall 3 and the ramen pillar portion 4 are piled up and down at the same position, so construction workability is improved. In addition, the vertical load of the upper floor can be efficiently transmitted to and supported by the lower floors by the load bearing walls 3 and the ramen pillars 4.

FIG. 10 shows a second embodiment of the present invention, in which the same parts as those in the first embodiment are designated by the same reference numerals and detailed description thereof is omitted. Are arranged in parallel in parallel, and the unit structures 1 of the same shape are stacked, for example, in four layers, that is, laminated on the fourth floor, and the first floor is used as a multipurpose space with front and rear open, or used as a parking lot or bicycle parking lot. From the 4th floor to the 4th floor, the outer wall 10 having an opening 10A to the window or veranda is formed in the front and back, and the inside is used as a residence. In this example, the ramen pillars 4 from the 1st floor to the 4th floor are all of thickness T. Is 30 cm and the width U is 90 cm. Also in this example, the structure strength is excellent and the construction cost can be reduced, the indoor space can be effectively utilized, and the load-bearing wall 3, the ramen pillar part 4 and the front and rear ramen beam members 7 for partitioning each house are further provided. Adjacent unit structures 1 can also be used as a unit, the amount of formwork and concrete, etc. can be reduced, the workability can be improved, and the outer wall area can be reduced compared to the crow type, and the unit can contact the outside. Areas such as the surface heat insulating material and roof waterproofing are reduced, and the cost for finishing these outer surfaces can be reduced.

The present invention is not limited to the above-described embodiments, and various modifications can be made within the scope of the present invention. For example, the pitch P of the horizontal rigid beam members or the spacing H of the bearing walls or The size of each member can be appropriately selected, and the stilt house of the present invention is not limited to a four-story house, but can be used for an apartment house of the second to sixth floors, or used as an office. You can also

[0016]

INDUSTRIAL APPLICABILITY The present invention is made of reinforced concrete, and has a pair of right and left load bearing walls vertically installed at intervals, and a rigid column having a long cross section formed integrally with the left and right load bearing walls so as to face each other. Section, a horizontal frame beam member connecting the upper portions of the pair of left and right frame columns, a front and rear frame beam member formed along the upper portion of the load-bearing wall and connecting the upper portions of the frame columns, and the beams. Since it is provided with the member and the floor surface integrated with the member, it is possible to provide an apartment house in which the construction cost can be reduced and the indoor space can be effectively utilized.

In the construction method of the present invention, after the rebar is assembled,
Assembling the formwork, placing concrete in this formwork and stacking the bearing walls and the ramen pillars on each floor at the same position in the upper and lower direction, it is possible to reduce the construction cost and the effective interior space. It is possible to provide a construction method for an apartment house that can be used.

[Brief description of drawings]

FIG. 1 is a plan view showing a first embodiment of the present invention.

FIG. 2 is a partially cutaway perspective view of a main part showing the first embodiment of the present invention.

FIG. 3 is a partially cutaway perspective view of a main part showing the first embodiment of the present invention.

FIG. 4 is a partially cutaway perspective view of a main part showing the first embodiment of the present invention.

FIG. 5 is a sectional view of a left and right rigid frame structure showing a first embodiment of the present invention.

FIG. 6 is a cross-sectional view of a front and rear frame structure showing a first embodiment of the present invention.

FIG. 7 is a front view showing the first embodiment of the present invention.

FIG. 8 is a side view illustrating the first embodiment of the present invention.

FIG. 9 is a partially cutaway sectional view showing the first embodiment of the present invention.

FIG. 10 is a plan view showing a second embodiment of the present invention.

FIG. 11 is a plan view of a conventional example.

[Explanation of symbols]

 1 unit structure 3 bearing wall 4 ramen column part 5 horizontal frame beam member 6 left and right frame beam member 5 horizontal frame beam member 6 left and right frame structure 7 front and rear frame beam member 8 front and rear frame structure 9 floor 9A roof surface (floor surface) 12 Reinforcing bar 13 opening

Claims (2)

[Claims] 1. A pair of right and left load bearing walls made of reinforced concrete which are vertically installed at intervals, and a rigid frame column portion integrally formed facing each of these left and right load bearing walls and having a long cross section along the load bearing walls. A horizontal frame beam member connecting the upper portions of the pair of left and right frame columns, a front and rear frame beam member formed along the upper portion of the load-bearing wall and connecting the upper portions of the frame columns, and the beam members. An apartment house characterized by having an integrated floor surface. 2. A method of assembling a formwork after assembling a reinforcing bar, placing concrete in the formwork, and laminating the load-bearing walls and the ramen pillars of each floor at the same position in the vertical direction. The method for constructing an apartment house according to item 1.