JPH0424342A - Huge building furnishing roof allowed to open and close - Google Patents

Abstract

PURPOSE:To reduce the construction cost by dividing the roof of a baseball stadium and the like into crescent forms and trapezoid forms symmetrically, fixing a small size roof on the symmetric axis, opening and closing the roof making the small size roof as the center, and storing the roof to use as the roof of audience seats when it is opened. CONSTITUTION:A roof 20 of a baseball stadium 15 or the like is divided into crescent form roof members 21 and 24, and trapezoid form roof members 22 and 23 symmetrically. And a small size triangular roof 25 is fixed on the symmetric axis of the roof, and the roof members are set to open and close making the small size roof 25 as the center, and along a circular track 26, a circular arc track 26A, and linear tracks 26B and 26C, making angles to the right side and the left side. And when the roof is opened, the crescent roof members and the trapezoid roof members are superposed, and stored to make a roof for the audience seats. Consequently, the contruction cost can be reduced.

Description

[Detailed Description of the Invention] Industrial Field of Application This invention relates to large buildings, especially large buildings that cover the ceiling of a space such as a stadium with a roof that can be opened and closed. BACKGROUND ART In order to play and watch sports such as soccer without being affected by the weather, large buildings for competitions are constructed.

Conventional large buildings used for competitions, etc. are shown in Figures 8 to 11.
As shown in the figure, there is a first side wall 1 that is erected in a cylindrical shape, and a second side wall that is erected in contact with the outer peripheral surface of the first side wall, parallel to each other, and with a length that is approximately the same as the diameter of the first side wall 1. a fixed crescent-shaped roof portion 3 fixed to a part of the upper end of the first side wall 1;
At the upper end of the first side wall 1, a circular track 7 is provided inside or outside the fixed crescent-shaped roof part 3;
A movable crescent-shaped roof portion 4 that rotates along .
The movable crescent-shaped roof part 4 is located in parallel with and facing away from the
A plurality of gate-shaped rectangular roof parts 5.6 are located between the fixed crescent-shaped roof part 3 and the movable crescent-shaped roof part 4 are nested into the fixed crescent-shaped roof part 3 in the open state of the roof. and a plurality of gate-shaped rectangular roof parts 5.6 are fitted into the movable crescent-shaped roof part 4 and the fixed crescent-shaped roof part 3 in a nested manner, respectively.A large building with an openable and closable roof (for example, (Refer to Japanese Unexamined Patent Publication No. 2-24427).

Problems to be Solved by the Invention The conventional large-scale buildings described above have the following drawbacks (i) to 1ii).

(i) The movable crescent-shaped roof part 4 is moved along the circular track 7, and the plurality of gate-shaped rectangular roof parts 5.6 are moved along the straight track 8.9, so that the tracks 7.8.9 overlap. , their occupied area becomes large, and wasted space such as corners becomes large, making it impossible to use the site effectively.

(5) Since the gate-shaped rectangular roof section 5.6 is moved along the linear trajectory 8.9, the external shape of the large building becomes a shape that includes two linear side walls, making the external shape of the building monotonous. Put it away.

(iii) In order to fit the two crescent-shaped roof parts 3.4 and the plurality of gate-shaped rectangular roof parts 5.6 into each other in a nested manner in the closed state of the roof, the widths and heights of the roof parts are different from each other. This creates a large step difference between the outside and inside of the building, making the shape of the inside and outside of the building asymmetrical, making it impossible to make the building's shape beautiful.

The problem to be solved by the invention of this application is the above (i)
To provide a large building that does not have the disadvantages of ) or ■), in other words, the area occupied by means such as tracks for opening and closing the roof is small, the shape of the inside and outside of the building is beautiful, and the opening and closing operations are easy. The purpose is to provide easy large-scale building construction.

Means for Solving the Problems The present invention employs the following configuration as a means for solving the above problems.

The structure of the present invention is that in a large building that covers the ceiling of a space such as a stadium with a roof that can be opened and closed, the structure includes first and second crescent-shaped roof sections, first and second trapezoidal roof sections, and a small roof. a roof is formed by the parts, a small roof part protrudes slightly above the space and is immovable, and each crescent-shaped roof part and each trapezoid-shaped roof part can move along a track set around the space. In the closed state of the roof, the first and second trapezoidal roof portions are located parallel to each other on both sides of the small roof portion, and the first and second trapezoidal roof portions are located on the outside of the first and second trapezoidal roof portions. The first and second crescent-shaped roof sections are positioned in parallel to cover the ceiling of a space such as a stadium, and when the roof is open, the first and second crescent-shaped roof sections are positioned parallel to each other to cover the ceiling of a space such as a stadium. The first and second trapezoidal roof parts are located at an angle to the left and right with the small roof part as the center, and the first and second trapezoidal roof parts are located at an angle to the left and right with the small roof part as the center, and
and a second trapezoidal roof section is nested over the first and second crescent-shaped roof sections, each roof section being positioned outside the main portion of the ceiling of the space to be the stadium or the like. It is located in a large building with a roof that can be opened and closed.

The ceiling of a space that will become a stadium, etc. is defined by a first line passing through the center of the space in plan view, second and third lines distant from this first line, and two directions from the front end of the first line. The ceiling is divided into five parts by a branch line that branches into a ceiling, and corresponding to each part of the divided ceiling, first and second crescent-shaped roof parts and first and second trapezoid-shaped roof parts are formed. , and a small roof section. Each roof portion is formed to be slightly larger than each portion of the divided ceiling. In the preferred embodiment, straight lines are used as the first to third lines and the branch lines, but lines other than straight lines (for example, a circular arc line) may also be used.

In a preferred embodiment, each roof portion is configured such that its outer surface (and inner surface) has a substantially spherical shape. The portion of the trapezoidal roof portion facing the crescent roof portion is formed higher than the crescent roof portion opposing this portion. The small roof part is formed to be one step lower than the opposing parts so that it can be overlapped with the ends of the crescent-shaped roof parts and the trapezoidal roof parts facing each other without colliding with the ends thereof. The small roof section is
Any shape may be used as long as it can cover the gap created by the notched portion by the branch line at the end of the first and second trapezoidal roof portions when the roof is closed.

In a preferred embodiment, a track provided around a space such as a stadium is composed of one circular track section and two pairs of mutually parallel linear track sections connected to the circular track section. The linear track section is arranged so as to be inclined at the same angle (for example, w@45°) with respect to the center line of the circular track section in plan view.

In addition, when the roof is opened in a rectangular shape or in a fan shape, the track is one circular track section and the circular track section is inclined at approximately 45 degrees with respect to the center line of the circular track section. four connected pairs of mutually parallel first straight track portions;
A device comprising four pairs of mutually parallel second linear track sections connected to the circular track section and located perpendicular to the center line is used.

When the roof is in an open state, the first and second crescent-shaped roof parts are positioned at an angle (for example, 70° to 90°) to the left and right with the small roof part as the center; The second trapezoidal roof portion is positioned at an angle (for example, 70' to 90°) to the left and right with the small roof portion as the center. Then, with the small roof section below, the ends of each trapezoidal roof section and the ends of each triangular roof section are arranged to overlap with the small roof section. In a preferred embodiment, the end surfaces of the first and second trapezoidal roof portions formed along the branch line are in contact with each other when the roof is in the open state.

The opening/closing operation of the roof includes moving the first and second crescent-shaped roof sections and the first and second trapezoid-shaped roof sections together (i.e., interlocking) along the circular track section or moving them separately. and by moving the first and second trapezoidal roof parts independently along the linear track part, by interlocking the crescent-shaped roof part and the trapezoidal roof part along the circular track part, The shape of the trajectory can be made simple.

A plurality of wheels that engage with the track are attached to the parts of the crescent-shaped roof part and the trapezoidal roof part facing the track, and at least one of these wheels can be actively driven by a drive device such as a motor. .

Function: The large-scale building of this invention has a first structure centered around the small roof section.
and a second trapezoidal roof portion is positioned in parallel, and first and second crescent-shaped roof portions are positioned parallel to each other on the outside of the trapezoidal roof portion to cover the ceiling of a space that will become a stadium or the like. Then, the roof is in a closed state, and the first and second crescent-shaped roof parts are positioned at an angle to the left and right with the small roof part as the center, and the first and second trapezoidal roof parts are placed in the small roof part. The first and second trapezoidal roof portions are located at an angle to the left and right with the center as the center, and the first and second trapezoidal roof portions are located at an angle to the left and right with the
Each roof part is placed outside the main part of the ceiling of a space such as a stadium, so that the roof part is in an open state.

In addition, the first and second crescent-shaped roof parts and the first and second trapezoidal roof parts may be interlocked along the circular track part, or the first and second trapezoidal roof parts may be linked to the linear track part. The roof can be opened and closed by moving it along the roof.

Embodiment A first embodiment of the present invention will be described with reference to FIGS. 1 to 6.

As shown in FIGS. 1 to 3, a donut-shaped large building 10 has an outer circumferential wall 11, an inner circumferential wall 12, and a roof floor 13, and the space surrounded by these is divided into rooms on multiple floors. do. The bottom of a cylindrical central space 14 surrounded by an inner peripheral wall 12 is made into a stadium 15 for playing baseball or the like. The ceiling of a central space 14 of a building 10 is covered with a roof 20 having a spherical surface.

As shown in FIG. 1, the ceiling of the central space 14 is defined by a straight line B in the front-rear direction passing through the center of the central space 14 in plan view, two straight lines A and C parallel to this straight line B, and two straight lines A and C in front of the straight line B. Branch line B,,B branches into two from one end.

Divide into five parts. First and second crescent-shaped roof parts 21 and 24 are formed corresponding to the two outer left and right parts divided by straight lines A and C, and
First and second roof parts (referred to as trapezoidal roof parts for convenience in this specification) 22 and 23 are formed corresponding to the two inner parts divided by C and branch lines B1 and B2, and branch line B8 , A triangular roof portion 25 is formed corresponding to the portion divided by B2. Each roof part has dividing lines A, B,
Make it slightly larger than the part divided by C, B work, and B2,
A fin e is provided in a protruding manner on a portion of each roof portion that forms the periphery of the roof 2o.

The crescent-shaped roof portion 21.24 has an arcuate portion 21a in plan view,
24a and linear parts 21b, 24b, and the trapezoidal roof part 22.23 has two parallel linear parts 22a, 23a, 22b, 23b and two arcuate parts 22c, 23c and oblique lines. It is a trapezoidal type consisting of parts 22d and 23d, and the triangular roof part (small roof part) 25 is fan-shaped, consisting of two linear parts and an arcuate part, same as the branch lines B, , B2.

The trapezoidal roof portion 22.23 is provided with two parts to prevent collision with the crescent-shaped roof portion 21.24 during opening and closing operations of the roof.
1. The part facing 24 is formed high. The triangular roof part 25 is a crescent-shaped roof part 21.24 when the roof is opened and closed.
It is formed lower than the roof portions 21 to 24 so as not to collide with the trapezoidal roof portions 22 and 23.

A plurality of wheels each engaging with the track 26 are attached to the bottom of the roof parts 21 to 24 facing the track 26, and at least ten of these wheels can be actively driven by a parking device such as a motor. . In addition, the roof part 22.23
The wheels attached to are configured to be movable along the circular track section 26A and the straight track sections 26B and 26C.

A track 26 shown in FIG. 4 is arranged on a flat rooftop floor 13 of a large building 10. The track 26 includes one circular track part 26A and straight track parts 26B and 26C, and includes two pairs of straight track parts 2.
6B and 26C are located parallel to each other on the tangent line touching the circular orbital part 26A, and are arranged at an angle of the same angle (for example, approximately 45°) with respect to the center line of the circular orbital part 26A in a plan view. .

The triangular roof portion 25 is integrally formed at the upper end of the front inner circumferential wall that intersects with the longitudinal centerline of the large building 10. Then, the crescent-shaped roof portion 21.24 and the trapezoid-shaped roof portion 2
2.23 is installed (formed) on the track 15, and the wheels attached to the roof parts 21 to 24 are attached to the circular track part 26A of the track 26.
be engaged with.

The roof shown in FIG. 5 is in a closed state.

Next, how to open and close the roof 20 will be explained using FIGS. 6(I) to VI). First, from the state shown in FIG. 6(1), the wheels of each roof section 21 to 24 are actively rotated, and while each roof section 21 to 24 is in a closed state, it is placed on the circular track section 26A. counterclockwise in Figure 6 (n
) to the position shown. In this state, the first circular track section 26A is switched to the straight track section 26B, and the wheels of the trapezoidal roof section 22 are actively rotated.
2 is moved along the linear track section 26B to the position shown in FIG. 6(m). Then, the trapezoidal roof part 22 is fitted onto the crescent-shaped roof part 21 in a nested manner.

From the state shown in FIG. 6(m), rotate the trapezoidal roof portion 23, the crescent-shaped roof portion 24, and the crescent-shaped roof portion 21 clockwise on the circular track 26A by actively rotating their wheels. Move it to the position shown in FIG. 6 (rV). In this state, the circular track section 26A is switched to the straight track section 26C, and the trapezoidal roof section 23 is moved along the straight track section 26C to the position shown in FIG. 6(V) by actively driving its axle. Then, the trapezoidal roof part 23 is fitted onto the crescent-shaped roof part 24 in a nested manner.

The crescent-shaped roof portion 21 in the state shown in FIG. 6(V),
The wheels are actively rotated and moved counterclockwise on the circular track 26A to the position shown in FIG. They fit together, and the opening of the roof 20 is completed.

In the open state of the roof 20 shown in FIG. 6 (VI) and FIG. The trapezoidal roof portion 23 fitted in the shape of the trapezoidal roof portion 23 is located at an angle (for example, approximately right angle) to the left and right with the triangular roof portion 25 in the center, and is connected to the front end surface 22d of the trapezoidal roof portion 22 in the trapezoidal shape. The front end surface 23d of the roof portion 23 is in contact with each other,
A portion of the trapezoidal roof portion 22 , 23 close to the end face is located above the triangular roof portion 25 . Also, the part near the front end of the crescent roof 21.24.

The front end of the trapezoidal roof portion 22, 23 and the triangular roof portion 2
5 and their ends are in contact with each other. When the roof is open, many of the seats on the right and left sides of the baseball field are located on the crescent-shaped roof section.
1.24 and the trapezoidal roof portion 22.23.

From the open state of the roof 20 shown in FIG. 6 (VI),
How to return the roof 20 to the closed state shown in Figure (I) is as follows:
Since this is the reverse of the method of changing from the closed state to the open state, the explanation thereof will be omitted.

A second embodiment of a large building according to the present invention will be explained using FIG.

The differences between the second embodiment and the first embodiment are in how the wheels are attached to the trapezoidal roof 22, 23 and in the configuration of the track 26 provided on the roof 13 of the large building 10. .

A wheel group consisting of a plurality of wheels is attached to the front and back of the portion of each trapezoidal roof portion 22, 23 facing the track 26, so that each wheel group can move on the same circular track section or on a separate straight track section. Make it. At least one of a plurality of wheels in front and rear wheel groups can be actively driven by a drive device such as a motor.

Further, the orbit 26 of the second embodiment has a circular orbit portion 26A.
is the same as in the first embodiment, and this circular orbital portion 26A and four pairs of mutually parallel first linear orbits connected to the circular orbital portion 26A at an angle of approximately 45 degrees with respect to the center line of the circular orbital portion 26A. 26B1.26B2.26C1, 26C2, and four pairs of mutually parallel second linear tracks 26B3.26B located at right angles to the center line and connected to the circular track section.
4.26C3 and 26C4.

When moving the trapezoidal roof part 22.23 linearly in a direction perpendicular to the longitudinal center line of the building, the four pairs of second linear track parts 26B3.26B4.326C3, 26C4
use.

That is, when the roof shown by the two-dot chain line in FIG. 7 is opened into a rectangular shape, the trapezoidal roof portions 22 and 23 are moved from the closed state of the roof 20 shown in FIG. Actively rotate the second straight track section 26B3.26B
4. Move along 26C3, 26C4 and nest the trapezoidal roof 22.23 over the crescent roof 21.24.

Note that when the roof shown in FIG. 7 is opened in a fan shape, the first and second trapezoidal roof portions 22.2
3, the straight track part 26B1.26B2.26C1, 26
Use C2 to move in a straight line. The way the roof is opened in a fan shape is the same as in the first embodiment.

In addition, the state in which the roof is opened in a fan shape as shown by the one-dot chain line in Fig. 7 is a state suitable for playing baseball, and the state in which the roof is opened in a rectangular shape as shown in the two-dot chain line is a state suitable for playing soccer, rough ball, etc. It is in suitable condition for.

Effects of the Invention The large-scale building of this invention has the following effects (1) to 4).

(1) Since the roof is composed of the first and second crescent-shaped roof parts, the first and second trapezoidal roof parts, and the small roof part, the first and second crescent-shaped roof parts are In addition to making the same shape, the first and second trapezoidal roof parts can be made to be the same shape, making it easy to construct the roof, and easily obtaining a building with a beautifully shaped roof.

(2) The small roof part is immovably supported, and the first and second trapezoidal roof parts and the first and second crescent-shaped roof parts are interlocked along the circular track part, and the first and second Since the roof is opened and closed by moving the trapezoidal roof section independently along the linear track section, the operation is very simple and the construction of the track is also simple. Since the track is simple, the footprint of the track is small.

(3) a first trapezoidal roof part that is nested over the first crescent-shaped roof part; and a second trapezoidal roof part that is nested over the second crescent-shaped roof part; are placed at an angle to the left and right with the small roof section as the center, and the roof is opened, so the area occupied by each roof section in the open state of the roof is small, and the area of each roof section in that state is The exterior of the club will also look familiar (similar to a regular baseball field, etc.).

(4) a first trapezoidal roof part that is nested over the first crescent-shaped roof part; and a second trapezoidal roof part that is nested over the second crescent-shaped roof part; are positioned at an angle to the left and right with the small roof part as the center, so that the roof is opened in a fan shape, or the first trapezoid shape is nested over the first crescent-shaped roof part. a second trapezoidal roof portion nested over the roof portion and the second crescent-shaped roof portion;
By arranging the roofs so that they are spaced apart and parallel to each other so that the roof can be opened into a rectangular shape, the roof can be opened into a shape suitable for competitions held in stadiums.

Therefore, it is possible to construct a large, multifunctional building with a space that can be used as a stadium or the like and a roof that can be opened and closed at a relatively low cost.

[Brief explanation of the drawing]

1 to 6 show a large building according to the first embodiment, FIG. 1 is a plan view showing the roof in a closed state, FIG. 2 is a plan view showing the roof in an open state, Figure 3 is an elevational view taken along the line I-1 of Figure 1, Figure 4 is a plan view of the track, Figure 5 is a plan view showing the relationship between the closed roof and the track, and Figure 6 is a plan view showing the relationship between the closed roof and the track. Figures (I) to VI) are plan views showing the order of operations for opening the roof, Figure 7 is a plan view showing the relationship between the roof and the track, etc. of the second embodiment, and Figures 8 to 11 are It shows a conventional large building. Figure 8 is a plan view showing the closed state of the roof, Figure 9 is an elevation view of the building shown in Figure 8, and Figure 10 is a plan view showing the closed state of the roof.
The figure is a plan view showing the open state of the roof, and Figure 11 is the 10th
FIG. 2 is an elevational view showing a cross-section of the main part of the one shown in the figure. In the figure, 10 is a large building, 11 is an outer wall, 12 is an inner wall, 13 is a roof floor, 14 is a central space, 15 is a stadium for baseball games, etc., 2o is a roof, and 21 is a first crescent moon. 22 is a first trapezoidal roof, 23 is a second trapezoidal roof, 24 is a second crescent-shaped roof, 25 is a triangular roof (small roof), 26 is a track, 26A is an arcuate track part, 26B, 26B work or 26B4.26C126C
1 to 26C4 are straight track sections. Patent applicant: Takenaka Corporation

Claims (1)

[Scope of Claims] 1. In a large building whose ceiling is covered with a roof that can be opened and closed, the ceiling of a space that will be used as a stadium etc. has first and second crescent-shaped roof parts, first and second trapezoid-shaped roof parts. a roof is formed by the small roof portions, the small roof portions projecting slightly above the space and being immovable, and each crescent roof portion and each trapezoid roof portion forming a roof along a track set around the space. When the roof is in a closed state, first and second trapezoidal roof sections are located in parallel on both sides of the small roof section, and the first and second trapezoidal roof sections are movable. first and second crescent-shaped roof portions are located parallel to each other on the outside;
When the ceiling of a space that will become a stadium or the like is covered and the roof is open, the first and second crescent-shaped roof sections are positioned at an angle to the left and right around the small roof section, and
The first and second trapezoidal roof portions are located at an angle to the left and right about the small roof portion, and the first and second trapezoidal roof portions are located at an angle to the left and right of the small roof portion, and A large building with an openable and closable roof that is nested over the top of the building, and each roof section is located outside the main part of the ceiling of a space that is to be used as a stadium, etc. 2. In a large building where the ceiling of a space such as a stadium is covered with a roof that can be opened and closed, the roof is formed by the first and second crescent-shaped roof parts, the first and second trapezoidal roof parts, and the small roof part. are formed, a small roof part projects slightly above the space and is immovable, and each crescent roof part and each trapezoid roof part is movable along a track provided around the space. , when the roof is closed, the first and second
The trapezoidal roof portions are located parallel to each other on both sides of the small roof portion, and first and second crescent-shaped roof portions are located parallel to each other on the outside of the first and second trapezoidal roof portions. When the ceiling of a space that will become a stadium or the like is covered and the roof is open, the first and second crescent-shaped roof sections are positioned at an angle to the left and right with the small roof section at the center, and the first
and a second trapezoidal roof portion is located at an angle to the left and right about the small roof portion, and the first and second trapezoidal roof portions are positioned above the first and second crescent-shaped roof portions. The ends of each trapezoidal roof section and the ends of each triangular roof section overlap the small roof section above the small roof section in a nested manner, and each roof section serves as a ceiling for a space such as a stadium. A large building with a retractable roof characterized by being located outside the main part of the building. 3. In a large building that covers the ceiling of a space such as a stadium with a roof that can be opened and closed, one circular track section and two pairs of parallel straight lines connected to the circular track section around the space that will become a stadium, etc. a track consisting of a track section is disposed, the small roof section is slightly protruded and immovable into the space above the periphery of the space, and in the closed state of the roof, the first and second crescent-shaped roofs and the first and second trapezoidal roof portions are located on a circular track portion, the first and second trapezoidal roof portions are located parallel to each other on both sides of the small roof portion, and each platform First and second crescent-shaped roof parts are located parallel to each other on the outside of the shaped roof part to cover the ceiling of a space that will become a stadium, etc., and when the roof is open, the first and second crescent-shaped roof parts The roof part is on the circular track part and is located at an angle to the left and right with the small roof part as the center, and the first and second trapezoidal roof parts are on the straight track part and are located at an angle to the left and right with the small roof part as the center. the first and second
a trapezoidal roof section nestingly fits over the first and second crescent roof sections, with an end of each trapezoidal roof section and an end of each triangular roof section above the small roof section. Overlapping the small roof parts, each roof part is placed outside the main part of the ceiling of the space that will become the stadium, etc., and the opening and closing operation of the roof is controlled by the first and second crescent-shaped roof parts and the first and second crescent-shaped roof parts. The trapezoidal roof section of the first and second
A large building with a roof that can be opened and closed, characterized in that the trapezoidal roof is moved along a straight track. 4. In a large building where the center space of a large donut-shaped building is used as a stadium, etc., and the ceiling of the space is covered with a roof that can be opened and closed, there is a circular track section on the roof around the opening and the circular track. A track consisting of two pairs of mutually parallel linear track sections connected to the section is disposed, and includes first and second crescent-shaped roof sections, first and second trapezoidal roof sections, and a triangular roof section. A roof is formed by each of the crescent-shaped roof parts and each of the trapezoid-shaped roof parts, each of which is supported so as to be movable along a track, and a triangular roof part is disposed at the upper center of the front side of the peripheral wall of the space. The first and second crescent-shaped roof portions and the first and second trapezoidal roof portions are on circular track portions, and in the closed state of the roof, the first and second crescent-shaped roof portions are on circular track portions. A second trapezoidal roof section is located parallel to both sides of the triangular roof section, and first and second crescent-shaped roof sections are located parallel to each other on the outside of each trapezoidal roof section. When the ceiling of the space to be used as a venue is covered and the roof is open, the first and second crescent-shaped roof parts are on the circular track part and form an angle to the left and right about the triangular roof part. the first and second trapezoidal roof portions are located on the straight track portion and are located at an angle to the left and right with the triangular roof portion as the center; are nested over the first and second crescent-shaped roof sections, and the front end of each trapezoidal roof section and the front end of each triangular roof section are disposed above the triangular roof section. Each roof is placed outside the main part of the ceiling of a space such as a stadium, and when the roof is opened or closed, the crescent-shaped roof and the trapezoid-shaped roof move along the circular track. A large building with a roof that can be opened and closed, characterized in that the roof can be opened and closed by moving the trapezoidal roof part along a straight track. 5. In a large building where the ceiling of a space such as a stadium is covered with a roof that can be opened and closed, one circular track section and a circular track section inclined at approximately 45 degrees with respect to the longitudinal center line of the circular track section. It comprises four pairs of connected first linear track sections that are parallel to each other, and four pairs of second linear track sections that are parallel to each other and are located at right angles to the center line and are connected to the circular track section. A track is disposed around the space, and a roof is formed by the first and second crescent-shaped roof parts, the first and second trapezoid-shaped roof parts, and the small roof part, and each crescent-shaped roof part and each trapezoidal roof part is supported so as to be movable along a track, and a small roof part is immovably supported on the upper part of the periphery of the space so as to slightly protrude into the space, and in the closed state of the roof, the first and A second trapezoidal roof portion is located in parallel on both sides of the small roof portion, and first and second crescent-shaped roof portions are located in parallel on the outside of each trapezoidal roof portion,
The ceiling of a space that will become a stadium, etc. is covered, and the roof is opened in a rectangular shape, and the first and second crescent-shaped roof parts are located on a circular track part, spaced apart from each other and parallel to each other. 1
and a second trapezoidal roof portion on the second linear track portion spaced apart from each other and nested over the first and second crescent shaped roof portions, the first and second platform The shaped roof part is placed outside the main part of the ceiling of a space such as a stadium, and when the roof is opened in a fan-like state, the first and second crescent-shaped roof parts are on a circular track part and are small. The first and second trapezoidal roof parts are located on the first straight track part and are angled left and right with the small roof part as the center. and the first and second trapezoidal roof portions are nested over the first and second crescent roof portions and are in contact with an end of each trapezoidal roof portion above the small roof portion. A large building with a roof that can be opened and closed, characterized in that the ends of each triangular roof section are overlapped by a smaller roof section, and each roof section is placed outside the main part of the ceiling of a space such as a stadium. . 6. In a large building where the center space of a large donut-shaped building is used as a stadium, etc., and the ceiling of said space is covered with a roof that can be opened and closed, one circular track section and the longitudinal center line of the circular track section. four pairs of mutually parallel first straight track parts connected to the circular track part at an angle of about 45 degrees to the center line; and four pairs of mutually parallel first straight track parts connected to the circular track part at a right angle to the center line A track including a second parallel straight track portion is disposed on the rooftop, and the track is formed by first and second crescent-shaped roof portions, first and second trapezoidal roof portions, and a triangular roof portion. A roof is formed, each crescent-shaped roof section and each trapezoid-shaped roof section being supported for movement along a track, with a triangular roof section projecting into the space above the center of the front side of the periphery of the space. in the closed state of the roof, the first and second crescent-shaped roof portions and the first and second
and a trapezoidal roof portion are located on the circular track portion, the first and second trapezoidal roof portions are located parallel to each other with the triangular roof portion as the center, and the first and second trapezoidal roof portions are located on the outside of each trapezoidal roof portion. The second crescent-shaped roof part is positioned parallel to each other to cover the ceiling of a space that will become a stadium, etc., and the first and second crescent-shaped roof parts are arranged in a circular orbit while the roof is opened in a rectangular shape. the first and second trapezoidal roof portions are located on the second linear track portion and are spaced apart from each other and parallel to each other;
and a second crescent-shaped roof part, which is nested on top of the second crescent-shaped roof part, and the first and second trapezoid-shaped roof parts are arranged outside the main part of the ceiling of the space such as a stadium, and are arranged in a fan-like shape of the roof. In the open state, the first and second crescent-shaped roof parts are on the circular track part and are located at an angle to the left and right with the triangular roof part as the center, and the first and second trapezoid-shaped roof parts The roof portion is located on the first linear track portion and is positioned at an angle to the left and right with the triangular roof portion as the center, and the first and second trapezoidal roof portions are located on the first and second crescent-shaped roof portions. The front end of each trapezoidal roof section and the front end of each triangular roof section are overlapped with the triangular roof section above the triangular roof section. The roof section is placed outside the main part of the ceiling of a space such as a stadium, and opening and closing operations of the roof can be performed by interlocking the crescent-shaped roof section and the trapezoidal roof section along a circular track section, or by interlocking the crescent-shaped roof section and the trapezoidal roof section along the circular track section. A large-scale building with a roof that can be opened and closed, characterized in that the roof is moved along a first or second linear track section. 7. The portions of the first and second trapezoidal roof portions facing the first and second crescent-shaped roof portions are formed higher than the portions of the respective crescent-shaped roof portions opposite thereto, and the small roof portion is formed on these portions. 7. A large building with an openable and closable roof according to claim 1, wherein the roof is lower than each of the opposing trapezoidal roof sections and the crescent-shaped roof sections. 8. A first line in the front-rear direction passing through the center of the ceiling of a space that will become a stadium, etc. in plan view, two branch lines branching from the front of this first line, and the first line It is divided into five parts by the second and third lines separated from the line, a small roof part is formed corresponding to the approximately triangular part divided by the branch line, and the second and third straight lines are divided into five parts. First and second crescent-shaped roof parts are formed corresponding to the two divided left and right outer crescent-shaped parts, and the inner two parts are divided by the first to third lines and the branch line. 8. A large-scale building with a roof that can be opened and closed as claimed in any one of claims 1 to 7, characterized in that the first and second trapezoidal roof portions are formed in correspondence with the roof.