JP3445017B2 - Machine foundation and its construction method - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a machine foundation provided on a rooftop of a building, on which various machines are installed, and a construction method thereof.

[0002]

2. Description of the Related Art Conventionally, when constructing a machine foundation to be installed on the roof of a building, first, a reinforcing bar is applied to a portion which becomes the machine foundation, and a mold is arranged on the outer periphery of the reinforcing bar. The concrete was placed in the frame, and after the concrete was hardened and cured, the form was removed.

[0003]

By the way, in the machine foundation as described above, a great deal of labor is required for the work of the mold on the site, and the outer peripheral side water-drained portion has a complicated shape. Therefore, a skilled worker, which has been lacking in recent years, is required for the formwork work. In addition, this type of wooden form material,
In many cases, it is thrown away, and its use is being refrained from the purpose of environmental protection.

The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a machine foundation and a construction method thereof that can be constructed extremely easily without requiring skill.

[0005]

In order to achieve the above object, the machine foundation according to claim 1 is a machine foundation whose outer periphery is surrounded by a driving form material embedded together with concrete to be poured. The driving mold material is the lower mold
The frame member and the upper frame member are vertically moved through the H-shaped connecting member.
And a jaw form member connected to the rise form member by an H-shaped connecting member. The jaw form member has a water cutout portion on the lower surface side on the outer peripheral side thereof. There are formed, in the front Symbol lower mold member,
A leveler is provided to adjust the height of the driving form.
It is characterized by being. A machine foundation according to a second aspect is the machine foundation according to the first aspect, characterized in that reinforcing bars are integrally provided inside the driving form member. The mechanical foundation according to claim 3 is the same as that of claim 1.
Alternatively, in the machine foundation according to claim 2, a fitting groove is formed in a circumferential direction on the lower surface side of the jaw form member on the inner circumferential side of the water cutting portion, and the fitting groove has a circumferential direction. It is characterized in that a protective wall is fitted over the area. The construction method of the machine foundation according to claim 4 is a building shop.
Place reinforcing bars at the installation location of the machine foundation above,
Lower formwork member and upper formwork member so as to surround the reinforcing bar
Is formed by connecting the top and bottom via the H-shaped connecting member.
The form member and the water cutout part on the lower surface side on the outer peripheral side are formed.
The upper and lower jaw form members are connected by an H-type connecting member up and down.
Of the driving formwork, and the height of the driving formwork is adjusted.
After adjusting with a spatula, put it inside the driving form material.
Concrete is placed and the above-mentioned formwork material is concrete.
It is characterized by being embedded together with the package.

[0006]

According to the mechanical foundation of the first aspect, it is possible to construct a mechanical foundation having a jaw portion having a water cut portion without using a wooden form material. According to the mechanical foundation of the second aspect, it is possible to construct a mechanical foundation having a jaw portion in which a water cutoff portion is formed and having reinforcing bars arranged therein. According to the machine foundation of the third aspect, by fitting the protection wall into the fitting groove, the machine foundation having the protection wall installed on the outer peripheral side of the machine foundation is constructed. According to the method for constructing a machine foundation according to claim 4 , a wooden formwork
It is extremely easy to form a drainage part without using
A mechanical foundation that has
Be built.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of a machine foundation and a construction method thereof according to the present invention will be described below with reference to the drawings. 1 to 4,
Reference numeral 1 is a machine foundation. An outer peripheral side of the machine foundation 1 is formed by a driving form material 2, and concrete K is placed inside the area surrounded by the driving form material 2. In addition, inside the driving form material 2 on which the concrete K is placed, the reinforcing bar 3 for the foundation is reinforced.
Is arranged, and the reinforcing bar 3 for the foundation is connected to the reinforcing bar 4 arranged on the roof of the building. In addition, a plurality of anchors 5 are projected at a predetermined position from the upper surface side of the concrete K on the upper end of the reinforcing bar 3 for foundation, and the fixing holes of the base D of the machine to be installed are fixed to these anchors 5. Is inserted and fastened and fixed by the nut 6.

[0008] The driving mold member 2 is a rising mold member 1 formed by connecting a lower mold member 11 and an upper mold member 12.
0 and a jaw form member 13 connected to the rising form member 10, and these lower form member 11, upper form member 12 and jaw form member 13 are shown in FIG. They are connected by an H-shaped connecting member 14 as shown. The lower mold member 11, the upper mold member 12, and the jaw mold member 13 are each formed of a ceramic material-based inorganic extruded plate formed by extrusion molding. The jaw form member 13 constituting the driving form material 2 includes a jaw portion 15
Is formed, and on the lower surface side of the jaw 15, a water cutoff portion 16 and a plate material fitting groove (fitting groove) 17 formed inward of the water cutoff portion 16 are provided. A protection wall 18 is fitted and installed in the space 17. Also,
The lower mold member 11 constituting the driving mold material 2 includes
A fixed plate portion 19 protruding outward is formed, and a leveler 21 is provided on the fixed plate portion 19 to adjust the height of the driving form material 2. 2 and 4, reference numeral 22 is an asphalt waterproof layer, and reference numeral 23 is
A heat insulating material, reference numeral 24 is a cushion material, and reference numeral 25 is protective concrete.

Next, the construction work of the mechanical foundation 1 will be described. (1) First, at the construction site of the machine foundation 1 on the roof of a building, the reinforcing bars 3 for foundation are arranged in connection with the reinforcing bars 4 arranged on the roof. (2) Next, the driving form material 2 is connected and arranged so as to surround the outer circumference of the foundation reinforcing bar 3, the height is adjusted by the leveler 21, and the anchor 5 is supported at a predetermined position. (3) In this state, concrete K is poured into the space surrounded by the casting form material 2. In this way, the poured concrete K flows below the driving form material 2 and flows to the upper surface side of the roof,
Furthermore, the inside of the driving form material 2 is gradually filled from the lower side, and further overflows to the upper end portion of the driving form material 2, and the upper end portion is also filled with concrete K, and this concrete K is cured and cured. By doing so, the mechanical foundation 1 is constructed.

(4) After the set concrete K is cured and cured, an asphalt waterproof layer 22 is provided on the upper surface of the roof, and further, a heat insulating material 23, a cushion material 24 and a protective concrete 25 are provided. Waterproof layer 22
The protective wall 18 is fitted and attached to the plate material fitting groove 17 so as to cover the end portion of. (5) After that, the mechanical foundation 1 constructed as described above
The base D of the machine to be installed on the upper surface side is installed with its fixing hole inserted in the anchor 5, and the nut 6 is fastened to the anchor 5 to fix the machine.

As described above, according to the mechanical foundation and its construction method of the present embodiment, it is possible to easily construct it without using a wooden form material which has been less used in recent years. As a result, it is possible to omit formwork work that requires skill and requires a lot of labor, and it is possible to simplify the construction work and shorten the construction period. In addition, since the water cutting portion 16 having a complicated shape is formed in advance in the driving form material 2, it is possible to omit the complicated work of forming the water cutting portion by combining the wooden form materials on site. Therefore, the work can be further simplified. Moreover, the asphalt waterproof layer 2
It is possible to prevent rainwater from flowing into the second break.

In the above embodiment, the machine foundation 1 having a rectangular shape in plan view has been described. The machine foundation 1 is shown in FIG. 6 by changing the combination of the driving form material 2 and the connection. As described above, it is possible to construct a mechanical foundation having an L-shape in plan view or a part of the outer periphery formed in an arc shape in plan view as shown in FIG. 7.

[0013]

As described above, according to the machine foundation and the construction method thereof of the present invention, the following effects can be obtained. According to the machine foundation of claim 1, the machine foundation can be constructed without using a wooden form material. As a result, it is possible to omit formwork work that requires skill and requires a lot of labor, and it is possible to simplify the construction work and shorten the construction period. Further, since the jaw form member having the jaw portion in which the water cutoff portion is formed is used,
It is possible to omit the complicated work such as forming the drainage part using the wooden form material on site, and it is possible to further simplify the work. In addition, the drainage part can prevent rainwater from flowing into the root of the foundation having a cut in the waterproof layer laid on the roof. According to the mechanical foundation of the second aspect, it is possible to obtain a high-strength mechanical foundation in which reinforcing bars are arranged. According to the mechanical foundation of claim 3, by fitting the protective wall into the fitting groove formed in the jaw, the protective wall prevents rainwater from entering the end of the waterproof layer laid on the rooftop. be able to.
According to the method of constructing a machine foundation of claim 4, a machine foundation having a jaw part having a water cut part and reinforced by a reinforcing bar is constructed very easily without using a wooden formwork. be able to. In other words, since the formwork is integrated with concrete as a component of the machine foundation, it is possible to eliminate the conventional work of installing, disassembling, and disposing of the formwork, thus reducing the construction work and shortening the construction period. Can be planned.

[Brief description of drawings]

FIG. 1 is a perspective view of a machine base illustrating a configuration and a structure of a machine base according to an embodiment of the present invention.

FIG. 2 is a side sectional view of a machine base for explaining the configuration and structure of the machine base according to the embodiment of the present invention.

FIG. 3 is a cross-sectional view of a mechanical foundation for explaining the configuration and structure of the mechanical foundation of the embodiment of the present invention.

FIG. 4 is a side cross-sectional view of a part of the machine foundation for explaining the configuration and shape of the driving form material constituting the machine foundation of the embodiment of the present invention.

FIG. 5 is a cross-sectional view of an H-shaped connecting member used in the driving form material that constitutes the mechanical foundation of the embodiment of the present invention.

FIG. 6 is a cross-sectional view of a machine base for explaining a machine base having another shape according to the embodiment of the present invention.

FIG. 7 is a cross-sectional view of a machine base for explaining a machine base having another shape according to the embodiment of the present invention.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Mechanical foundation 2 Driving form material 3 Reinforcing bar for reinforcement (reinforcing bar) 4 Reinforcing bar 10 Standing formwork member 11 Lower formwork member 12 Upper formwork member 13 Jaw formwork member 14 H type connecting member (connecting member) 15 Jaw part 16 Draining part 17 Plate material fitting groove (fitting groove) 18 Protective wall 21 Leveler K concrete

─────────────────────────────────────────────────── ─── Continuation of the front page (72) Izumi Horio 5-1, Okawa-cho, Kawasaki-ku, Kawasaki-shi, Kanagawa Akira Watanabe Co., Ltd. Chemicals Research Laboratory (72) Ryuji Takada 5 Okawa-cho, Kawasaki-ku, Kawasaki-shi, Kanagawa -1 Sho within the Chemicals Research Laboratory, Waseda Electric Works Co., Ltd. (72) Inventor Masao Obata, 1-3-2 Shibaura, Minato-ku, Tokyo Shimizu Construction Co., Ltd. (56) Reference JP-A-6-200533 (JP, A) ) Japanese Patent Laid-Open No. 7-34468 (JP, A) Actual Development 1-69843 (JP, U) (58) Fields investigated (Int.Cl. ⁷ , DB name) E04G 21/02 103 E02D 27/00-27 / 52 E04B 1/16 E04B 1/64 E04B 2/86

Claims (4)

(57) [Claims] 1. A machine foundation, the outer periphery of which is surrounded by a driving form material embedded with concrete to be poured, wherein the driving form material is a lower mold member and an upper mold member.
And a jaw form member connected to the rise form member by an H-type connecting member. The jaw form member includes: draining portion is formed on the lower surface side in the outer peripheral side thereof, before Symbol lower mold member, the adjustment of the height of the implantation formwork
A machine foundation characterized by being provided with a leveler to perform . 2. The machine foundation according to claim 1, wherein reinforcing bars are integrally provided inside the driving form member. 3. The jaw form member is formed with a fitting groove extending in the circumferential direction on the lower surface side on the inner circumference side of the water draining portion, and the fitting groove extending in the circumferential direction. The mechanical foundation according to claim 1 or 2, wherein a protective wall is fitted therein. 4. A machine foundation installation site on the roof of a building.
Place a reinforcing bar in the place and enclose this reinforcing bar.
The frame member and the upper frame member are vertically moved through the H-shaped connecting member.
And the rising formwork member connected to
H-type connection with a jaw form member that has a water cutout on the bottom side
Arranged a driving mold material that is vertically connected by members
Then, the height of the driving form was adjusted by a leveler.
After that, concrete is placed inside the driving form material,
Embedding the driving formwork material with concrete
A method of constructing a machine foundation characterized by.