JPH0941671A - Construction method for leveling foundation upper surface of building such as house and leveling adjuster therefor - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enhance the accuracy of leveling techniques and execution work by temporarily securing leveling adjusters to forms, tensioning and fixing a strut between the mounting plates of the leveling adjusters, placing a concrete foundation horizontally inside the forms, and removing, after the concrete foundation is fixed into place, the forms and a magnetic substance for temporary fixing. SOLUTION: The level line 3 of a foundation upper surface is set on the inside surfaces of forms 1, 1' by means of a leveler. Leveling adjusters 10, 10' are mounted and fixed along the level line 3. The leveling adjusters 10, 10' are constructed of inverted L-shaped metallic plates and provided with a horizontal plate 4. Each mounting plate is suspended in a perpendicular direction from one side edge of the horizontal plate 4 and integrated with the horizontal plate 4. A magnetic substance 11 for temporary fixing is magnetically attached to a recess in the anchored part of each mounting plate. A strut 12 is tensioned and fixed between grooves 8, 8' provided in the mounting plates of the leveling adjusters 10, 10' on both sides of the forms 1, 1'. While the leveling adjusters 10, 10' anchored between the forms 1, 1' serve as a top face, concrete is placed, and then the top face 9 of the leveling adjusters 10, 10' is leveled. After a concrete foundation is set, the forms 1, 1' and the magnetic substance 11 for temporary fixing are removed.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for leveling a top of a foundation in a building such as a house, mainly a wooden house, and a leveling adjustment tool for the leveling.

[0002]

TECHNICAL FIELD The applicant, as a professional builder of wooden houses, has already proposed and is applying for a top end adjustment tool necessary for the housing basic construction method (Actual Kaihei 5-35964). Has been well received. However, the present application is proposed as a new construction technique means after further study. As for the cloth foundation method, which is the foundation of conventional wooden houses, the need for a precise and solid foundation method that prevents the collapse of houses has been reviewed especially after the Great Hanshin Earthquake. As for the cloth foundation, when placing a concrete foundation in a conventional foundation formwork (temporary frame), it is necessary to level the concrete top end (top surface) horizontally and evenly, so the level line is set on the formwork first with level equipment. However, a method has been adopted in which water threads are placed along the level line between both molds and the concrete is placed with the water threads as the upper surface of the foundation ceiling. There is a problem that it requires a certain amount of skill, and that it is stretched during work and caught by water threads, it absorbs concrete moisture and sags, or the end surface of the top end rises and impairs uniformity. As means for solving this, the above-mentioned applicant's earlier application, the above-mentioned invention,
-No. 107348, Actual Kaihei 4-79142, Actual Kaihei 2-116537, Same Kaihei 1-945385
No. 1 and No. 1275538, the top end tools for wooden house cloth foundation have been proposed. However, in each case, there is a problem that the use of a screw rod or a screw tool causes the concrete to adhere to the screw groove and solidify, and adjustment work and the reuse of tools cannot be performed. There is a problem that requires improvement in labor saving and cost reduction of the basic construction method.

[0003]

SUMMARY OF THE INVENTION The present invention has been made for the purpose of solving the above-mentioned problems. First, the leveling work of the base top (upper surface) is precise. Secondly, the worker can easily construct without requiring the technical experience of the construction staff. Thirdly, it was an issue to be solved that the leveling method is a method that allows the worker to work independently, profitability of the construction cost, and reuse of the top end adjustment tool.

[0004]

A substantially inverted L-shaped metal leveling adjustment tool, which is composed of a rectangular horizontal plate whose upper surface is horizontally formed and a mounting plate which is vertically installed on one side thereof, is provided oppositely. The leveling adjustment tool is aligned with the level line of the building foundation set inside the specified formwork, and the leveling adjustment tool is temporarily fixed to the formwork via the temporary fixing magnetic material magnetically attached to the mounting plate of the leveling adjustment tool. Further, a tension elastic fixing tool of high elasticity is tension-fixed between the temporarily attached mounting plates of the leveling adjustment tool, and then the concrete foundation is horizontally placed in the formwork with the horizontal plate of the leveling adjustment tool as the upper surface. A leveling method for leveling the top of the foundation, which is provided so that the temporary fixing magnetic body can be removed after solidification together with the formwork.
A substantially inverted L-shaped metal adjustment tool consisting of a rectangular horizontal plate whose upper surface is horizontally formed and a mounting plate vertically extending one side at a right angle, and a magnetic attachment to a fastening portion on the mounting plate of the adjustment tool. And a tensioning fixture that is tensioned between the leveling adjusters that are temporarily attached to the form, and the tensioning fixture is a strong elastic metal wire, band-shaped metal plate, or The gist of the present invention is a leveling adjustment device made of a highly elastic synthetic resin material.

[0005]

According to the horizontal leveling method of the present application, when mounting and fixing the leveling adjusting tool at the top end along the level line, it is temporarily fixed with a magnetic material and secondarily tensioned with a tensioning tool, so one person can perform work. It is possible and easy to make sure adjustment, and the precision of the leveling method can be secured. Further, since the leveling adjustment tool does not use a screw rod, a screw stop or the like, and the magnetic body has an equipment structure that can be removed after reuse after being fixed, there is an effect of labor saving and construction cost saving.

[0006]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. FIG. 1 is a perspective view of a horizontal leveling construction method for constructing a foundation as a base of a building in a formwork (temporary frame), and FIG. 2 is a partially omitted front view of a horizontal leveling adjustment equipment used for the construction. The building foundation is constructed between the formwork (temporary frame) 1 and 1'opposed to the ground, but the concrete foundation 2 is constructed on the inner surface of the formwork by the level line (standard line) 3 of the base top (upper surface). Is set by a leveler, and the leveling adjusters 10, 10 'of the present invention are attached and fixed along the level line in the direction of the level line 3. As shown in FIG. 2, the leveling adjustment tool 10 for the top of the foundation is constructed by an inverted L-shaped metal plate as a whole, and is provided with a horizontal plate 4 whose upper surface is horizontally formed. It is a metal adjusting plate which is formed in a substantially inverted L-shape by hanging the mounting plate 6 on the base plate and integrally with the horizontal plate. Reference numeral 5 is a bent piece. Reference numeral 7 denotes a fastening portion formed on the outer side of the mounting plate, which is a concave portion in the embodiment, but may have another fastening shape. Reference numeral 8 denotes a groove provided in contact with the concave portion of the fastening portion 7, and reference numeral 6'denotes a bent piece bent above the lower end edge in order to improve the fastening property of the mounting plate. A magnetic material 11 for temporary fixing is magnetically attached to the concave portion of the fixing portion 7 of the mounting plate 6. When the mold 1 is the metal plate shown in FIG. 4, the temporary fixing magnetic body 11 magnetically attached to the mounting plate 6 of the leveling adjuster is temporarily fixed to the form 1 in the case of the metal form. (FIG. 4) In the case of the wooden form shown in FIG. 1, a nail or the like is driven into the form 1 to be magnetically attached to the magnetic material of the mounting plate to temporarily fix the leveling adjustment tool. (Omitted) Temporary fixing with a magnetic material allows adjustment of the leveling adjustment tool, but when the concrete is placed on the formwork, it shifts and the setting of the leveling adjustment tool goes wrong, impairing the accuracy of the leveling method. In consideration of the case, the tension fixing tool 12 is tensioned and fixed between the concave grooves 8 and 8'provided in the mounting plates of the adjusting tools on both sides of the form. The bracing fixture may be a highly elastic metal wire such as a piano wire or the like, a band-shaped steel plate subjected to anticorrosion treatment, or a highly elastic synthetic resin plate made of a reinforced plastic material. The tip of the bulging fixing tool is formed at an acute angle, and is tensed and fixed by bulging in an arc shape so as to be forcibly locked between the concave grooves 8 and 8 '. Numeral 13 is a bent portion for enhancing the action of engaging the adjusting tool in the concrete.

The leveling method of the present invention is a leveling adjustment tool 1
0, the leveling adjustment equipment s consisting of the temporary fixing magnetic body 11 and the bulging fixing tool 12 is used for construction. As an example of the construction method, in the case of a wooden general house, in and out transportation to a construction site or the like is considered. Width of horizontal plate of leveling adjustment tool 20m
It is a reverse L-shaped metal plate as a whole, which is configured in a rectangular shape with m and a length direction of 4 m to 5 m, and the vertical mounting plate is 50 mm. The magnetic material is attached to the concave portion of the leveling adjuster attachment plate at intervals of about 1.5 m to 2 m required for temporary fixing. Reference numeral 14 is a concrete leveling adjusting tool 10, 10 'fixed between the molds 1, 1'on the top surface of the concrete.
The upper surface 9 between them is evened with a trowel. The bracing tool is embedded in the cast concrete and attached at intervals of about 0.5 m in the length direction of the foundation to perform a reinforcing action as a reinforcing bar. Figure 3 shows the formwork after construction is complete.
In a partial perspective view of the concrete foundation with the magnetic material removed, the magnetic material is reused with the formwork. FIG. 4 is a partial perspective view showing a construction method using a metal form. The shape and dimensions of the leveling adjustment equipment should be changed as appropriate.

[0008]

[Effect] The present invention is a leveling construction method which is constructed by the leveling adjustment equipment described above. The leveling adjustment tool is installed in the form of an inverted L along the level line in the formwork. The leveling effect that eliminates the unevenness and strength due to the rise of the corners of the horizontal plane has a uniform upper surface and hardness and strength that prevent damage due to the shape collapse of both corners of the concrete foundation It provides an extremely effective construction method for the strength and durability of a residential building by enhancing the adhesion of the concrete, reinforcing the foundation, and ensuring the precision of the top surface of the roof. Further, the construction using the magnetic material temporarily fixed to the leveling adjustment tool has the advantage of facilitating the work of one person and the labor saving of the work. Also, after the concrete is dried and solidified, it is removed from the foundation and reused together with the temporary frame, which is useful for the use of construction materials and the reduction of construction costs. As described above, the present invention is effective in leveling the foundation top (upper surface) of a building and the like, together with the leveling adjustment equipment, ensures the accuracy of the leveling technology as compared with the conventional technology, saves labor in the construction work, and reduces the construction cost Will bring about.

[Brief description of drawings]

FIG. 1 is a perspective view showing a construction method of the present invention.

FIG. 2 is a partially omitted front view of a leveling adjustment device.

FIG. 3 is a partial perspective view of the concrete foundation after consolidation.

FIG. 4 is a partial perspective view of construction using a metal form.

[Explanation of symbols]

 1 Formwork 1'Formwork 2 Concrete foundation 3 Level line 4 Horizontal plate 5 Bending piece 6 Mounting plate 7 Fastening part 8 Recessed groove 8'Recessed groove 9 Top surface 10 Leveling adjustment tool 10 'Leveling adjustment tool 11 Magnetic material 12 Fixing fixture 13 Bending piece 14 Concrete foundation s Leveling adjustment equipment

Claims (2)

[Claims] 1. A leveling adjuster made of a substantially inverted L-shaped metal, which is composed of a rectangular horizontal plate whose upper surface is horizontally formed and a mounting plate which is vertically installed on one side thereof, is set in a formwork. Aligning with the level line of the building foundation, the temporary alignment magnetic material magnetically attached to the mounting plate of the horizontal alignment adjuster is used to temporarily fix the horizontal alignment adjuster to the opposite formwork. A strong elastic tension fixture is tensioned between the mounting plates of the leveling adjustment tool that has been stopped, and then a concrete foundation with the horizontal plate of the leveling adjustment tool as the upper surface is placed horizontally in the formwork, A method for leveling the top of the foundation of a residential building, characterized in that it is provided so as to remove the formwork and the magnetic material for temporary fixing after consolidation. 2. An approximately inverted L-shaped metal leveling adjustment tool composed of a rectangular horizontal plate having an upper surface formed horizontally and a mounting plate having one side vertically extending at a right angle, and the adjustment tool. It consists of a magnetic material for temporary fixing that is magnetically attached to the outer fixing part of the mounting plate of and a tensioning fixture that is tensioned between the leveling adjustment tools that are temporarily magnetically attached to the formwork. A leveling adjustment tool for a base crown of a building such as a house, which is made of a highly elastic metal wire, a strip-shaped metal plate, or a highly elastic synthetic resin material.