JP6045215B2 - Column foundation and construction method - Google Patents

Description

  The present invention relates to a foundation for constructing a structure post such as an awning on a construction surface where an adhesive such as a concrete surface can be used, and a construction method thereof.

  When installing structures that are easily affected by wind such as awning, in order to prevent toppling and to be blown away by strong winds, dig a hole in the ground and cast concrete to form the foundation and cover the lower end of the column Fix it. In addition, there exists what was disclosed by patent document 1, for example as such awning.

Japanese Utility Model Publication No. 7-25122

  However, in the above awning construction method, it is not possible to install the awning on a place where a hole cannot be dug, such as the rooftop of a building. Here, instead of digging a hole on the roof, a foundation is formed by pouring concrete with a wooden frame, and by fixing a support to this foundation, it is possible to install an awning without digging a hole, In this case, the construction work of the foundation becomes large because the concrete is laid with a wooden frame. In addition, it is possible to eliminate the need for concrete placement work at the site by forming the foundation in advance in the factory and carrying the foundation to the roof. In this case, it is necessary to transport the heavy foundation to the site. After all, the construction work will be large. Especially when installing a structure that is blown by the wind, such as awning, it is necessary to design it to withstand a specified blowing load, so the foundation becomes large, and the foundation manufactured at the factory is brought into the construction site. It takes a lot of work to do.

  Even if there is a potential need for the consumer because the structure such as an awning cannot be easily installed in a place where it is not possible to dig a hole in this way, the consumer behavior will be clearly manifested even if there is a potential need for the consumer Can not be tied to.

  An object of this invention is to provide the foundation of the support | pillar which is easy to construct to the place which cannot dig a hole, and its construction method.

In order to achieve such an object, the foundation of the pillar according to claim 1 is provided on the ground by stacking a plurality of laminated members on the construction surface, and a foundation block body having a support hole into which the lower end of the pillar is inserted, It is equipped with an adhesive layer that adheres the bottom surface of the foundation block body to the construction surface, a filler layer that is filled and hardened between the pillar and the foundation block body, and an anchor that prevents the pillar from coming out of the support hole, The laminated member is provided with a through hole that becomes a support hole by being stacked.

  Further, in the foundation of the support column according to claim 2, the inner peripheral surface of the through hole of the laminated member is a tapered surface having different diameters at the upper and lower openings.

  Moreover, the foundation of the support column according to claim 3 is formed by stacking the same shape as the laminated member.

Furthermore, the construction method of the foundation of a support | pillar of Claim 4 is the foundation which has a support hole by laminating | stacking several other laminated members on it, and adhering the lowermost laminated member to a construction surface in a construction site. A block body is formed on the ground, and the lower end of the support column is inserted into the support hole and filled with a filler between them to be solidified, and an anchor is provided at the lower end of the support column to prevent the support hole from coming off. It is.

  Moreover, in the construction method of the foundation of the pillar according to claim 5, the inner peripheral surface of the through hole of the laminated member is a tapered surface having different diameters at the upper and lower openings.

  Moreover, the foundation construction method according to claim 6 is configured to stack the same shape as the laminated member.

  In the strut foundation according to claim 1 and the strut foundation construction method according to claim 4, the strut foundation can be provided without making a hole in the construction surface. For this reason, for example, it is possible to firmly build up the column in a place where it is difficult to make a hole such as a rooftop of a building or a balcony. Moreover, since the laminated member in a separated state is carried to the construction site, the weight of each material to be carried is lighter and easier to carry than when carrying the completed foundation. Furthermore, since the foundations are made by stacking the pre-manufactured laminated members, the construction work itself is easier and the amount of concrete on site is large compared to the case where the foundation is formed by building a formwork and pouring concrete. It is also easy to prepare and clean up. In addition, since anchors are provided to firmly fix the support to the foundation block body, even when installing structures that are easily affected by wind such as awning, it is possible to lift and fall well in the wind Can be prevented.

  Moreover, in the construction method of the pillar foundation according to claim 2 and the pillar foundation according to claim 5, since the inner peripheral surface of the through hole of the laminated member is a tapered surface, a plurality of holes are formed on the inner peripheral surface of the support hole. Protrusions can be formed, the catch of the filler layer in the support hole can be improved, and the support pillar can be more reliably prevented from coming out of the support hole together with the filler layer.

  Furthermore, in the construction method of the foundation of the pillar according to claim 3 and the foundation of the pillar according to claim 6, since the laminated members having the same shape are stacked, it is sufficient to prepare one kind of laminated members. The kind of material can be reduced and the manufacturing cost can be further suppressed.

It is a side view which shows an example of embodiment of the foundation of the support | pillar of this invention. It is sectional drawing which expands and shows a part of foundation of the support | pillar. The laminated member of the foundation of the support | pillar is shown, (A) is a top view, (B) is a side view.

  Hereinafter, the configuration of the present invention will be described in detail based on the form shown in the drawings.

  FIG. 1 and FIG. 2 show an example of an embodiment of a pillar foundation of the present invention. The foundation of the pillar is provided by stacking a plurality of laminated members 2 having the same shape on the construction surface 1, and the foundation block body 4 having a support hole 4 a into which the lower end portion of the pillar 3 is inserted, and the bottom surface of the foundation block body 4. An adhesive layer 5 to be bonded to the construction surface 1, a filler layer 6 filled and hardened between the support column 3 and the base block body 4, and an anchor 7 for preventing the support column 3 from coming off from the filler layer 6 The laminated member 2 is provided with a through hole 2a that becomes a support hole 4a by being stacked.

  The laminated member 2 is shown in FIG. The laminated member 2 is a plate material made of concrete, for example, and has a through hole 2a at the center, for example. The diameter of the through hole 2a is large enough to insert the lower end of the support column 3. In the present embodiment, the inner peripheral surface of the through hole 2a is a tapered surface having different diameters in the upper and lower openings 2b and 2c, but is not limited thereto. Further, an iron core (not shown) is provided in the laminated member 2 and is reinforced. The weight of the laminated member 2 is such that an operator can carry it alone.

  The basic block body 4 is formed by laminating a plurality of laminated members 2 in the same vertical direction, and the laminated member 2 of the present embodiment has the surface with the larger opening of the through hole 2a facing upward, that is, the larger one. Are laminated with the surface provided with the opening 2b facing up. The lowermost laminated member 2 is bonded to the construction surface 1 with an adhesive. That is, the adhesive layer 5 is provided between the basic block body 4 and the construction surface 1. As an adhesive that bonds the laminated member 2 to the construction surface 1, for example, an adhesive for concrete is used. Further, the laminated members 2 that are laminated are also bonded to each other with an adhesive. That is, the adhesive layer 8 is provided between the laminated members 2 laminated. For example, an adhesive for concrete is used as an adhesive that bonds the laminated members 2 to each other.

  By laminating the laminated members 2, the through holes 2 a of the laminated members 2 are continuously provided and the support holes 4 a are provided. Since the inner peripheral surface of the through hole 2a of each laminated member 2 is a taper surface, a protrusion 9 is formed at the boundary between the upper and lower laminated members 2.

  The number of laminated members 2 is determined so that the weight necessary for the basic block body 4 is obtained in consideration of the weight per laminated member 2, for example. That is, the weight of the basic block body 4 can be adjusted by changing the number of laminated members 2. In the present embodiment, ten laminated members 2 each having a weight of 15 kg are laminated and the weight of the basic block body 4 is 150 kg, but this is not limitative.

  The lower end portion of the support column 3 is inserted into the support hole 4 a of the base block body 4. A filler for fixing the column 3 is filled between the column 3 and the base block body 4. That is, the filler layer 6 is provided in the support hole 4a. In the present embodiment, mortar is used as the filler, but it is not necessarily limited to mortar, and any material that can fix the column 3 to the basic block body 4 can be used.

  In the present embodiment, an anchor rod is used as the anchor 7, but the anchor rod is not limited to the anchor rod as long as the support 3 can be locked to the filler layer 6 to prevent the support hole 4 a from coming off. An anchor rod (hereinafter referred to as an anchor rod 7) as the anchor 7 passes through a position at a predetermined height of the support column 3, and both ends thereof are hooked by protrusions 9 provided on the inner peripheral surface of the support hole 4a. ing. The anchor bar 7 is provided so as not to wobble with respect to the column 3. In this embodiment, the anchor rod 7 is locked to the protrusion 9 at the boundary between the first step (the lowest step) and the second step. Also good. Further, the anchor bar 7 may not be locked to the protrusion 9. Furthermore, the anchor rod 7 need not be limited to one, and may be two or more. The anchor bar 7 is hardened with a filler together with the column 3.

  The length of the anchor bar 7 is slightly longer than the inner diameter of the protrusion 9 on the inner peripheral surface of the support hole 4a, and cannot pass through the inside of the protrusion 9 in a state where the pillar 3 is leveled by standing upright. However, in the state in which the support rod 3 is inclined and the anchor bar 7 is inclined, the inside of the protrusion 9 can be passed. Therefore, the tip of the anchor rod 7 can be locked to the lowermost protrusion 9 by inserting the support 3 into the support hole 4a in an inclined state, and then making the support 3 vertical.

  The support column 3 is, for example, a support column 3 of a structure such as an awning, a carport, a solarium, a tent, a signboard, and an electric lamp, but is not limited thereto. Although the support | pillar 3 is comprised by the square pipe, for example, it is not restricted to this.

  The construction surface 1 is a surface where a structure is to be installed, and is a surface on which the base block body 4 can be bonded with an adhesive. Examples include, but are not limited to, rooftops of buildings, balconies, verandas, concrete-clad grounds, concrete-clad parking spaces, concrete-carrying bicycle parking spaces, underground buildings, underground malls, and parks.

  Next, the foundation construction method of the support column 3 of the present invention will be described. The construction method of the foundation of the support column 3 is that the lowermost laminated member 2 is bonded to the construction surface 1 at the construction site, and a plurality of laminated members 2 having the same shape as the laminated member 2 are laminated on the support hole 4a. The base block body 4 is formed, the lower end portion of the support column 3 is inserted into the support hole 4a, and the filler is filled between them to be solidified, and the anchor 7 is provided at the lower end portion of the support column 3 to provide the support hole 4a. It is intended to prevent slipping out of the device.

  The laminated member 2 is manufactured in advance at the factory, and the required number of laminated members 2 are carried to the construction site. Then, the first laminated member 2 is bonded to the construction surface 1, the second laminated member 2 is stacked and bonded thereon, and the third stacked member 2 is stacked and bonded thereon. And if the lamination | stacking of the required number of lamination | stacking members 2 is repeated and the predetermined number of lamination | stacking members 2 are piled up and adhere | attached, the basic block body 4 which has the support hole 4a will be formed. Each laminated member 2 is laminated with the vertical direction aligned.

  Next, the column 3 provided with the anchor rod 7 is inserted into the support hole 4a while being inclined. And after lowering the support | pillar 3 to the bottom, it makes the support | pillar 3 vertical and is filled with the filler between the said support | pillar 3 and the foundation block body 4. FIG. At this time, the filler is pushed using a stick or the like so that the filler also wraps around the anchor rod 7 or the back side of the protrusion 9. And the support | pillar 3 is fixed because a filler hardens.

  An anchor rod 7 is provided at the lower portion of the column 3. The anchor rod 7 is fixed with a filler and is locked to the projection 9, so that an axial force (supporting the column 3 is supported on the column 3. Even if a force acting in the direction of pulling out from the hole 4a is applied, the column 3 does not come out of the support hole 4a. In addition, since the plurality of protrusions 9 are provided on the inner peripheral surface of the support hole 4 a, the filler layer 6 does not come off together with the support 3. Furthermore, since the periphery of the support column 3 is solidified by the filler layer 6, the support column 3 does not tilt even if a radial force (force in the direction of tilting the support column 3) acts on the support column 3.

  Since the stacked laminated members 2 are bonded to each other, and the filler that wraps around the back side of the protruding portion 9 in each step is a single lump in the support hole 4a, all the laminated members 2 are It is integrated into one large basic block body 4. Further, the lowermost laminated member 2 of the basic block body 4 is bonded to the construction surface 1. Therefore, the column 3 can be firmly supported by the weight of the entire foundation block body 4 and the adhesive force to the construction surface 1, and the floating and falling caused by the strong wind of the structure can be prevented.

  In this invention, if it is the construction surface 1 which can adhere | attach the basic block body 4 using an adhesive agent, even if it does not dig a hole in the construction surface 1, the support | pillar 3 can be built firmly. Therefore, for example, the pillar 3 can be firmly built in a place where a hole such as a rooftop of a building or a balcony cannot be dug. Also, even if it is possible to dig a hole, the work will be so large that it is practically impossible to dig a hole (for example, a hard eye such as a concrete surface). The column 3 can be built firmly and easily.

  Therefore, it has been possible to evoke the demand of consumers who have been giving up the installation of structures such as awnings, but have given up the installation, leading to consumption. That is, potential needs can be revealed and linked to consumption behavior.

  Separated laminated members 2 are carried into the construction site. Therefore, compared with the case where the large foundation completed beforehand is carried in, each of the materials to carry in becomes light and the conveyance of materials is easy. Especially in this embodiment, since the weight of the laminated member 2 is suppressed to a weight that can be carried by an operator alone, the material can be easily carried, for example, through a narrow place or a place with a step. Yes, the degree of freedom in selecting the construction site is improved.

  Also, since the prefabricated laminated members 2 are stacked, the construction work itself becomes easier and a large amount of concrete is used at the site as compared with the case where the foundation is formed by pouring concrete at the site and forming concrete. It is easy to prepare and clean up.

  Furthermore, since the anchor 7 can be provided to fix the support column 3 firmly to the foundation block body 4, even when installing a structure that is easily affected by wind such as awning, Lifting and falling can be prevented satisfactorily.

  In addition, since the inner peripheral surface of the through hole 2a of the laminated member 2 is a tapered surface and a plurality of protrusions 9 are formed on the inner peripheral surface of the support hole 4a, the filler layer 6 can be removed from the support hole 4a. It can prevent more reliably.

  Moreover, since the laminated members 2 having the same shape are stacked, it is sufficient to prepare one kind of laminated members 2, and it is possible to reduce the types of necessary materials and to further reduce the manufacturing cost. .

  Furthermore, it can respond to the support | pillar 3 of various structures only by changing the size of the laminated member 2, and is excellent in versatility.

  The above-described embodiment is an example of a preferred embodiment of the present invention, but is not limited thereto, and various modifications can be made without departing from the scope of the present invention.

  For example, in the above description, the laminated member 2 is laminated with the surface on which the larger opening 2b is provided facing up, but conversely, the surface on which the smaller opening 2c is provided is directed upward. May be laminated. Also in this case, the protrusion 9 can be formed on the inner peripheral surface of the support hole 4a, and the filler layer 6 can be more reliably prevented from coming off. Further, the anchor bar 7 can be locked by the tapered surface of the through hole 2a.

  Further, when stacking the laminated members 2, it is not necessary to align the directions of the tapered surfaces of the through holes 2 a of all the laminated members 2. For example, the direction of the tapered surface of the through hole 2a may be alternated for each sheet. Also in this case, irregularities can be formed at regular intervals on the inner peripheral surface of the support hole 4a, so that the filler layer 6 can be more reliably prevented from slipping out, and the anchor rod 7 can be tapered to the through hole 2a. The surface can be locked.

  In the above description, an anchor rod is used as the anchor 7. However, the anchor rod is not necessarily limited to the anchor rod. For example, a flange or unevenness provided on the side surface of the column 3 may be used. In these cases as well, as in the case where the anchor rod is used, the filler can be caused to wrap around the back side and the concave portion of the anchor 7 and the column 3 can be more reliably prevented from coming off.

  In the above description, the stacked laminated members 2 are bonded to each other with an adhesive. However, the laminated members 2 may be integrated to some extent by the weight of the laminated members 2 and the filler layer 6. Since it can do, when it is not necessary to integrate with too big force, it is not necessary to adhere | attach each laminated member 2.

  In the above description, the laminated members 2 having the same shape are stacked so that the side surfaces of the basic block body 4 are rectangular. However, the laminated members 2 having different shapes may be stacked. For example, the laminated members 2 that are slightly different in size may be stacked in descending order so that the side surface of the basic block body 4 has a substantially trapezoidal shape.

  A laminated member 2 made of reinforced concrete having a length of 400 mm, a width of 400 mm, and a thickness of 50 mm was produced. A through hole 2a having a diameter of 200 mm (opening 2b: 210 mm, opening 2c: 200 mm) was provided at the center. The weight of one sheet was 15 kg. This laminated member 2 is for the column 3 having a diameter of 50 mm to 150 mm.

  Ten laminated members 2 were laminated, and a basic block body 4 having a total weight of 150 kg was applied. The lowermost laminated member 2 was adhered to the concrete surface (construction surface 1), and the laminated members 2 at each stage were also adhered. The specific construction procedure is as follows.

(A) The lowermost laminated member 2 was fixed with a strong outdoor adhesive at the center of the construction surface 1 where the support column 3 is to be installed. As an adhesive, Konishi concrete bond E250 (two-component type) was used. The strength of this adhesive is 0.52 kg / mm ² .
(B) The laminated members 2 in the second and subsequent stages were sequentially stacked while being bonded with an outdoor adhesive. As an adhesive, Konishi Bond Eflex was used. The strength of this adhesive is 0.25 kg / mm ² .
(C) After drying the adhesive, the column 3 to which the anchor rod 7 was previously attached was inserted into the support hole 4a to assemble the structure.
(D) Between the support | pillar 3 and the base block body 4, the mortar was filled as a filler and it was made to dry.

  As a result, the foundation of the column 3 capable of withstanding a load of at least 3400 kg (load in the direction in which the column 3 is lifted) can be constructed in the entire foundation block body 4.

DESCRIPTION OF SYMBOLS 1 Construction surface 2 Laminated member 2a Through-hole 3 Support | pillar 4 Foundation block body 4a Support hole 5 Adhesive layer which adhere | attaches the bottom face of a foundation block body to a construction surface 6 Filler layer 7 Anchor

Claims (6)

A foundation block body provided on the ground by stacking a plurality of laminated members on the construction surface and having a support hole into which a lower end portion of a support is inserted, and an adhesive layer for bonding the bottom surface of the foundation block body to the construction surface, The support layer includes a filler layer that is filled and hardened between the support column and the base block body, and an anchor that prevents the support column from coming off from the support hole. The foundation of the support | pillar characterized by being provided with the through-hole which becomes.   The base of the support column according to claim 1, wherein the inner peripheral surface of the through hole of the laminated member is a tapered surface having different diameters in the upper and lower openings.   The foundation of the column according to claim 1 or 2, wherein the laminated members having the same shape are stacked. At the construction site, the lowermost laminated member is bonded to the construction surface, and a plurality of other laminated members are laminated thereon to form a foundation block body having a support hole on the ground, and the lower end of the support column in the support hole A strut foundation construction method comprising inserting a portion and filling with a filler between them to harden, and providing an anchor at the lower end of the strut to prevent it from coming out of the support hole. The strut foundation construction method according to claim 4, wherein an inner peripheral surface of the through hole of the laminated member is a tapered surface having different diameters between upper and lower openings.   The construction method of the foundation of a support | pillar of Claim 4 or 5 which accumulates the same shape as the said lamination | stacking member.

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