JP3270833B2 - Underground pit structure for parking equipment installation - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a basement for installing a parking device of a two-stage underground type in which two vehicles are stored in a parking pit hole formed in the ground and one vehicle is accommodated on the ground, and one level above the ground. Regarding the pit structure.

[0002]

2. Description of the Related Art Conventionally, this kind of technology is disclosed in, for example, Japanese Patent Application No. Hei.
The thing described in 7-245667 is known.

According to this, as shown in FIG. 14, H is formed at a constant gap along the front and rear walls of the excavated parking pit hole 1.
Build a steel section 2 and concrete panels 3 between H-sections 2
Is dropped from above to form a pit side wall 4, two pillars 5 are erected between opposed H-sections in the parking pit hole 1, and the upper portions of the pillars 5 are connected by a main beam 8, And support 5
And the H-section steel 2 are connected by sub-beams 6, respectively,
Are supported on the left and right, and the column 5 is provided by an elevating device provided on the main beam 8 connected between the upper ends of the columns.
It is a configuration that incorporates a two-stage underground and one-stage above-ground parking device that rises and descends along.

[0004]

The underground pit structure for installing a parking device constructed as described above employs a structure in which the sub beam 7 is connected between the H-section steel 2 and the column 5. Therefore, the installation pitch between the H-section steel 2 and the column 5 needs to be opposed to each other. And the installation pitch of the pillar 5 is
Since the column 5 raises and lowers the elevating device, it is determined according to the shape of the site where the parking lot is to be installed and the type of automobile to be parked.

For example, when the width of the parking device in the direction of approach of the vehicle is slightly insufficient, the width of the parking device per vehicle is slightly reduced so that the site of the parking device can be effectively used. When trying to set up a parking lot to accommodate a wide variety of vehicles, such as parking large vehicles such as RVs as well as small passenger vehicles, the width and height of the parking device in the direction of intrusion will increase. Variously different.

As a result, in the above-mentioned conventional technique, it is necessary to design the installation pitch of the strut 5 and the H-shaped steel suitable for each site, and at the time of construction, the H-shaped steel 2 accurately faces the strut 5. As a result, careful management is required, which increases the number of man-hours for designing the parking pits and also lengthens the construction period.

[0007] In view of the above, the present invention enables an H-section steel (foundation column) to be installed regardless of the installation pitch of the columns, and the earth pressure applied to the side wall of the pit is passed through the sub cutting beam. An object of the present invention is to provide a parking device installation underground pit structure in which the number of design steps is reduced and the construction period is shortened by sharing the parking device.

[0008]

In order to achieve the above object, an underground pit structure for installing a parking device according to the present invention comprises a hole for a parking pit excavated so as to open an upper part, and a hole for the parking pit. A plurality of base columns made of H-shaped steel erected so that recesses are opposed to each other at predetermined intervals along the front, rear, left and right walls facing each other; A pit side wall constructed by attaching a concrete panel between the concave portions of the foundation pillars adjacent to each other in the body, and a concrete head stone formed and laid so as to cover an upper part of the pit sidewall together with the foundation pillar, In the parking pit hole, in order to assemble and support the parking device, a pillar built so as to face the foundation pillar with a gap therebetween, and laid so as to connect the pillar and the concrete headstone, respectively. And and a sub Setsuhari, in which parking device earth pressure exerted on the pit side wall through sub Setsuhari is configured to share.

According to the present invention, since the sub beam is connected between the column and the concrete head stone and the concrete head stone is formed by cast-in-place concrete, it is independent of the installation pitch of the column. In addition, the foundation pillar can be installed in the parking pit hole, and the earth pressure applied to the pit side wall is shared by the parking device through the sub-cut beam, so that the number of man-hours and the construction period of the underground pit for installing the parking device are reduced. Can be achieved.

[0010]

Embodiments of the present invention will be described below with reference to the drawings.

First, FIG. 1 is a partially sectional perspective view showing an underground pit structure for installing a parking device according to an embodiment of the present invention, FIG. 2 is a sectional view taken along line AA of FIG. 1, and FIG. It is sectional drawing.

The underground pit structure for installing a parking device according to the present embodiment has a parking pit hole 11 having a rectangular shape in plan view formed by excavation so as to open an upper portion, and front, rear, left and right sides of the parking pit hole 11 facing each other. A plurality of foundation pillars 12 made of H-shaped steel erected so that the recesses 12a face each other with a certain gap along the front, rear, left and right walls, A pit side wall 14 constructed by attaching a plurality of concrete panels 13 between recessed portions 12a of adjacent foundation pillars 12, and a concrete heap stone 20 laid so as to cover an upper portion of the pit sidewall 14 together with the foundation pillar 12 In the hole 11 for the parking pit,
In order to assemble and support the parking device 30, a support 15, which is built opposite to the base support 12 with a gap, and a bracket 2 between the support 15 and the concrete headstone 20, respectively.
1 and the supporting pillar 1 adjacent to each other
The parking device 30 including the main beam 16 bridged and connected between the upper portions of the vehicle 5 and provided with the elevating device used in the present embodiment parks the automobile 40 in a three-tiered manner. It uses a two-stage underground and one-stage above-ground parking system. However, due to the parking space installation space, the parking device 30 is not limited to the two-stage underground and one-stage above-ground type.

Next, a method of constructing the underground pit structure for installing a parking device according to the above embodiment will be sequentially described with reference to FIGS.

First, as shown in FIG. 4, a hole 22 having a depth larger than a height at which the automobile 40 can be stored when the parking device 30 is lowered to the lowermost end is formed in the site 10 where the parking device 30 is installed. Drill multiple pieces in the vertical direction. Multiple holes 22
Are formed at appropriate intervals so as to surround the plane boundary line of the rectangular parking pit hole 11.

Next, as shown in FIG. 5, the foundation pillars 12 made of H-shaped steel are fixed in the holes 22 by mortar 23 so that the concave grooves 12a face each other.

Next, as shown in FIG. 6, while excavating the outside of the foundation pillar 12 along the boundary line, the sheet piles 24 are sequentially inserted in order to prevent collapse of the ground 18 formed by the excavation. 7, a parking pit hole 11 having a predetermined depth and a rectangular shape in plan view is formed. In addition, ground mountain 1
When the influence of groundwater or the like is small and there is no risk of collapse, the sheet pile 24 may not be used.

Next, as shown in FIG. 8, concrete panels 13 are successively provided between the concave grooves 12a of the base pillars 12 adjacent to each other, along the ground 18 serving as front, rear, left and right walls of the parking pit hole 11. And the pit wall 14 is formed. At this time, the upper end portion of the foundation pillar 12 is formed with a pit wall 14 to form a concrete head 20 described later.
More than a predetermined width is projected.

At the upper and lower ends of each concrete panel 13, a convex portion 13a and a concave portion 13b are formed, respectively. The convex portion 13a and the concave portion 13b are fitted together to form a pit wall. 14 are formed.

Next, as shown in FIG. 9, a concrete cast by casting with a predetermined amount of reinforcing steel is provided so as to cover the upper part 7a of the foundation pillar 7 and to surround the upper part of the parking pit hole 11. As a result, the concrete head 20 is formed, and the bottom wall portion 25 is formed by driving concrete in place into the bottom of the parking pit hole 11. When forming the concrete headstone 20, a plurality of sets of anchor bolts 26 are planted as one set so as to protrude into the parking pit hole 11 on the inner wall of the concrete headstone 20. The planting gap between the anchor bolts 26 of each set corresponds to the installation position of the support 15 described later in relation to the installation position of the parking device 30. A bracket 27 is attached to each set of anchor bolts 26, as shown in FIG.

The bracket 27 is, as shown in FIG.
It has an inverted L-shape, and its hanging piece 27a is attached to the concrete headstone 20 by a pair of anchor bolts 26 so that the horizontal piece 27b projects inward of the parking pit hole 11. A long hole 28 is formed in the horizontal piece 27b so as to extend inward of the parking pit hole 11, and a long hole 29 for inserting the anchor bolt 26 is formed in the hanging piece 27a. A parking pit hole 11
Extending in the depth direction.

Also, as shown in FIG.
As shown in FIG. 1, a plurality of sets of anchor bolts 31 are planted, and a bracket 32 is attached to each set of anchor bolts 31, as shown in FIG. 1.
The column 15 is erected on the bracket 32.

At this time, the columns 15 are erected on the pit side wall 14 with a gap in order to mount the parking device 30.
In the present embodiment, since two parking devices 30 are used, a plurality of sets of H-shaped steel members are arranged so as to face each other along the long side direction of the parking pit hole 11 having a rectangular shape in a plan view. The support pillar 15 is erected.

Next, a main cutting beam 16 made of H-shaped steel is attached between the columns 15 of each set, and a sub-cutting beam 17 made of H-shaped steel is attached to a bracket 27 attached to a concrete headstone 20. And the other end of the sub beam 17 is attached to the upper part of the column 15 to bridge and connect the sub beam 17 between the column 15 and the concrete headstone 20.

The bracket 27 has a hanging piece 27a.
The configuration is such that the installation position of the concrete headstone 20 or the sub cutting beam 17 can be adjusted by the elongated holes 29 and 28 provided in the horizontal piece 27b.

As a result, the underground pit structure for installing a parking device in one embodiment of the present invention is completed, and FIG. 2 and FIG.
As shown in FIG. 3, the parking device 30 is
If it is equipped so as to pass over, a parking facility for a car, for example, a three-tiered two-tiered underground, one-tiered parking facility is completed.

According to the above embodiment, since the sub beam 17 is connected between the column 15 and the concrete headstone 20, the concrete headstone 20 is formed by cast-in-place concrete, and the installation pitch of the column 15 is set. Irrespective of this, the base pillar 12 can be installed in the parking pit hole, and the earth pressure applied to the pit side wall 14 is shared by the parking device 30 through the sub cutting beam 17, so that the parking device installation is performed. The design man-hour and the construction period of the underground pit can be reduced.

FIGS. 12 and 13 show another embodiment of the bracket 27 to which the sub cutting beam 17 is mounted. A triangular projecting piece 27c is provided between the hanging piece 27a and the horizontal piece 27b. Is attached.

[0028]

As described above, according to the present invention, the foundation pillar can be installed in the parking pit hole irrespective of the installation pitch of the pillar, and the earth pressure applied to the side wall of the pit is sub-cut. By sharing the parking device through the beam, it is possible to reduce the number of design steps and shorten the construction period of the underground pit for installing the parking device, and it is suitable for the shape of the site where the parking device is installed and the car that is going to be parked in the parking device An underground pit for installing a parking device can be provided.

[Brief description of the drawings]

FIG. 1 is a partially sectional perspective view showing an underground pit structure for installing a parking device in an embodiment of the present invention.

FIG. 2 is a sectional view taken along line AA of FIG.

FIG. 3 is a sectional view taken along line BB of FIG.

FIG. 4 is an explanatory view of a step of excavating a hole in FIG. 1;

FIG. 5 is an explanatory view of a step of erection of a foundation pillar in a hole in FIG. 4;

FIG. 6 is an explanatory view of a step in the process of attaching a sheet pile between the foundation pillar built in FIG. 5 and the ground.

FIG. 7 is an explanatory view of a process in a state where the addition of the sheet pile in FIG. 6 is completed and the parking pit hole is completed.

FIG. 8 is an explanatory diagram of a process of laying a concrete panel between foundation pillars to produce a pit side wall from the process shown in FIG. 7;

FIG. 9 is an explanatory view of a step of forming a concrete headstone from the step shown in FIG. 8;

FIG. 10 is an explanatory diagram of an installation process of a bracket for attaching a sub beam to an anchor bolt planted on a concrete head stone.

FIG. 11 is a perspective view of a bracket on which a sub cutting beam is mounted.

FIG. 12 shows another embodiment of the bracket for mounting the sub cutting beam, and is a view as viewed in the direction of arrow C in FIG. 11;

FIG. 13 is a view taken in the direction of arrow D in the same manner.

FIG. 14 is a partially sectional perspective view showing a conventional underground pit structure for installing a parking device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Site 11 Hole for parking pit 12 Base pillar 13 Concrete panel 14 Pit side wall 15 Prop 16 Main beam 17 Secondary beam 18 Ground 20 Concrete cap stone 22 Hole 23 Mortar 25 Bottom wall 30 Parking device 40 Car

Claims (1)

(57) [Claims] 1. A parking pit hole formed by excavation so that an upper portion is opened, and a predetermined gap between the front and rear left and right walls facing each other of the parking pit hole,
A plurality of base pillars made of H-shaped steel erected so that the recesses face each other, and concrete panels are additionally provided between the recesses of the foundation pillars adjacent to each other among the base pillars. A pit side wall, a concrete heddle formed and laid so as to cover the upper part of the pit side wall together with the foundation pillar, and a gap in the foundation pillar to mount and support a parking device in the parking pit hole. A pillar built so as to be placed and opposed, and a sub-beam laid so as to connect the column and the concrete cap stone, respectively, to park the earth pressure applied to the pit side wall through the sub-beam. An underground pit structure for installing a parking device, wherein the device is configured to be shared.