JP3134554U - Concrete floor structure for unit house - Google Patents

Abstract

An object of the present invention is to provide a concrete floor structure for a unit house having an accurate and uniform floor surface level.
A steel frame-like floor frame 3 is provided, and a plurality of joists 7 are installed in the floor frame 3. A wire mesh 10 is placed on the joist 7 on the joist 7. The integrated frame 11 is erected on the upper surface of the floor frame 3. A concrete floor Q on which concrete is cast from the upper surface of the joist 7 to the upper surface position of the integrated frame 11 is provided. The surface Q1 of the concrete floor Q is a surface formed by casting concrete from the joists 7 of the floor frame 3 in a state where the integrated frame 11 is faced down on a smooth steel surface plate 12, after the concrete is hardened, It consists of the surface installed toward the upper surface together with the integrated mold 11 from which the steel surface plate 12 is removed. On the upper surfaces of the steel long beams 5 and short beams 6 constituting the floor frame 3, a steel material having an arbitrary height is welded to provide the integrated frame 11.
[Selection] Figure 2

Description

  The present invention relates to a concrete floor structure for a unit house that is suitable for use in a unit house, and more particularly to a concrete floor structure for a unit house that has an accurate and uniform floor surface level.

  As shown in FIG. 6, the unit house is a rectangular parallelepiped house with a steel frame ramen structure of a certain module, and is a building that creates various spaces by combination. The structure includes a roof frame 1, a pillar 2, and a floor frame 3. Unit buildings P, which are mostly constructed on site, are mechanically produced at the factory, and the construction period at the site is greatly reduced. As its use, it is also used as a main building for temporary offices at construction sites, warehouses, temporary lodgings, and commercial stores.

  Normally, the veneer plywood 4 is used as the floor specification of the unit house P. However, the veneer plywood has problems such as comfort, walking feeling, texture, sound insulation and water resistance, and there is a demand for concrete specifications of the floor. It is increasing. As shown in FIG. 7, the concrete-specification floor frame 3 is a steel member called joists 7 arranged at predetermined intervals on a frame-like floor frame 3 composed of steel long beams 5 and short beams 6. Composed.

  The present applicant has proposed a folding unit house using such a concrete-specific floor frame in Patent Document 1. When molding a concrete floor structure to be used in this unit house, a floor receiving formwork such as a deck plate 8 is installed on the upper surface of the joist 7 and further a rebar 9 is arranged, and the concrete is placed on the floor receiving formwork. What was cast and provided with a concrete floor Q was used (see FIG. 7).

Usually, in order to form the concrete floor Q, the periphery of the upper portion of the floor frame 3 is surrounded by a mold (not shown), and ready-mixed concrete is placed in the mold. In this case, the ready-mixed concrete does not spread evenly from the gap between the reinforcing bars as it is. Therefore, using the property that ready-mixed concrete is easily fluidized when vibration is applied to the ready-mixed concrete, an operator applies a vertical bar-shaped vibrator to the ready-made concrete so that it can be evenly distributed in the gap between the reinforcing bars. .
Utility Model Registration No. 3058646

  In the concrete floor manufacturing process used in Patent Document 1, in order to level the spread raw concrete so that it is even on the floor surface, a worker called a plasterer becomes a middle waist and a long tool called a ruler. The surface of the ready-mixed concrete is leveled while rotating back and forth, left and right using or, and after the concrete is hardened, the mold is removed. Currently, skilled workers called plasterers with special skills finish floor concrete. The leveling work requires not only multi-step work, but also the quality depends on the skill level of the worker. In addition, since the reinforcing bars 9 are laid inside the floor frame and a plurality of workers walk on these reinforcing bars 9, the quality of the floor structure due to the disturbance of the reinforcing bars 9 cannot be avoided. .

  Accordingly, the present invention has been devised to solve the above-described mount, and an object thereof is to provide a concrete floor structure for a unit house that has an accurate and uniform floor surface level and is easy to manufacture.

  The first means of the present invention includes a steel frame-like floor frame 3, a plurality of joists 7 installed in the floor frame 3, a wire mesh 10 installed on the joists 7, and a floor frame. 3 is a concrete floor structure comprising an integrated frame 11 standing on the upper surface of 3 and a concrete floor Q on which concrete is cast from the upper surface of the joist 7 to the upper surface position of the integrated frame 11, The surface Q1 is a surface formed by pouring concrete from the joists 7 of the floor frame 3 with the integrated frame 11 lying down on a smooth steel surface plate 12, and after hardening the concrete, the surface plate 12 made of steel. The integrated frame 11 is removed and the surface is set up toward the upper surface.

  The integrated frame 11 of the second means is provided by welding steel materials of arbitrary height on the upper surfaces of the steel long beams 5 and the short beams 6 constituting the floor frame 3.

  The floor frame 3 and the integrated frame 11 of the third means are obtained by performing hot dip galvanization before placing concrete.

  The wire mesh 10 of the 4th means makes it the means for solving a problem that it is fixed to the joist 7 with the wire mesh to which the intersection of the orthogonal iron wire was welded.

  According to claim 1 of the present invention, the surface Q1 of the concrete floor Q is formed by casting concrete from the joists 7 of the floor frame 3 with the integrated frame 11 lying on a smooth steel surface plate 12. Since the surface is a surface installed toward the upper surface together with the integrated frame 11 from which the steel surface plate 12 is removed after the concrete is hardened, the level of the surface Q1 is accurate and uniform. As a result, the work of placing and leveling unit house floor concrete, which has been dependent on human power, has been greatly reduced, reducing the number of workers, reducing time, and freeing workers from difficult work. Further, it is possible to secure an accurate level of the concrete placing floor surface and to generate a smooth floor surface. Moreover, since it is not necessary to use the deck plate 8 etc. which were used conventionally and the structure of the concrete floor Q can be simplified, it is suitable for using as a floor structure for unit houses.

  According to claim 2, the integrated frame 11 is provided by welding steel materials of arbitrary height to the upper surfaces of the steel long beams 5 and the short beams 6 constituting the floor frame 3. Even if concrete is placed with the frame 3 placed on the steel surface plate 12, the integrated frame 11 prevents the concrete from flowing out. Moreover, after the concrete is hardened, the surface Q1 of the uniform concrete floor Q can be provided by reversing the integrated mold 11 with the steel surface plate 12 removed. Therefore, the molding of the concrete floor Q has been rationalized, and an optimal floor structure as a floor structure for a unit house could be provided.

  According to the third aspect, the floor frame 3 and the integrated frame 11 exhibit the rust prevention effect of the floor frame by being treated with hot dip galvanizing before the concrete is placed.

  Since the intersection point of the iron wire which the wire mesh 10 of Claim 4 went orthogonally is welded to the joist 7, it is not displaced when placing concrete and exhibits stable strength after the concrete is hardened.

  In the best mode of the present invention, a steel frame-like floor frame 3 is provided, and a plurality of joists 7 are installed in the floor frame 3. A wire mesh 10 is fixed on the joist 7. A concrete floor Q on which concrete is cast from the upper surface of the joist 7 to the upper surface position of the integrated frame 11 erected on the upper surface of the floor frame 3 is provided. The surface Q1 of the concrete floor Q is a surface formed by casting concrete from the joists 7 of the floor frame 3 in a state where the integrated frame 11 is faced down on a smooth steel surface plate 12, after the concrete is hardened, It consists of the surface installed toward the upper surface together with the integrated mold 11 from which the steel surface plate 12 is removed. The integrated frame 11 achieves the original purpose by being provided by welding steel materials of arbitrary height on the upper surfaces of the steel long beams 5 and the short beams 6 constituting the floor frame 3. .

  Hereinafter, the present invention will be described in detail with reference to the accompanying drawings. The floor frame 3 of the unit house P is composed of a frame-shaped steel frame of surrounding long beams 5 and short beams 6 and a steel member called joist 7 arranged at a predetermined interval (see FIG. 1).

  A wire mesh 10 is arranged inside the floor frame 3 (see FIG. 4). The wire mesh 10 is called a welded wire mesh, which is a mesh made by making an iron wire go straight to make a mesh, and all the intersections are made by resistance welding, and is arc welded to the joists 7.

  On the other hand, an integrated frame 11 is erected on the upper surface of the floor frame 3. The integrated frame 11 is obtained by arc welding a steel material having an arbitrary height on the upper surfaces of the long beam 5 and the short beam 6 constituting the floor frame 3 (see FIG. 4). Further, the floor frame 3 and the integrated frame 11 are hot dip galvanized before the concrete is placed for rust prevention. At this time, warpage may occur in the floor frame 3 due to the hot galvanizing treatment. In that case, the floor frame 3 is provided with a straightening device 13 that compresses the sled of the floor frame 3 installed on the steel surface plate 12 with bolts and forcibly returns it to the horizontal (see FIG. 2).

  The steel surface plate 12 is used when placing concrete, and is installed on a smooth level surface (see FIG. 2). The steel surface plate 12 includes a vibrating body 14. The illustrated vibrating body 14 is provided with a vibration motor, and this vibration motor vibrates the steel surface plate 12. Further, the vibrating body 14 may be a vertical rod-like vibrator handled by an operator. A release material is applied to the steel surface plate 12 in advance in order to smoothly separate the concrete surface and the steel surface plate 12 from the portion where the floor frame is laid.

  Before placing concrete, the floor surface portion of the floor frame is inverted and installed on the steel surface plate 12 (see FIG. 2). That is, it is installed so that the upper surface portion of the integrated mold 11 is brought into contact with the upper surface of the steel surface plate 12. Thereafter, the joist 7 is placed with a certain amount of ready-mixed concrete along the joist 7 interval to a position that serves as a reference for the concrete thickness. The concrete thickness is usually 6 cm to 10 cm, and can be set to an arbitrary height according to the purpose of use. At this time, since the surface when placing the concrete becomes the back surface of the floor when in use, it is not necessary to carefully finish it, and a substantially T-shaped leveling tool with a wooden handle on a board with a spacing width of joists 7 It will be sufficient if the surface is aligned.

  Thereafter, the ready-mixed concrete is subjected to vibration generated by the vibrating body 14 such as a vibration motor laid on the steel surface plate 12 or a vertical rod-like vibrator, and from the gap of the wire mesh 10 to the lower surface. It will flow and spread uniformly. At this time, the portion that becomes the surface Q1 of the concrete floor Q is horizontally restricted by the smooth steel surface plate 12, and an accurate level and a smooth surface Q1 can be obtained. By this work, the conventional placing and leveling work can be greatly shortened.

  The work so far is the floor concrete placing and leveling work. When this operation is finished, after a certain drying time has passed, the floor frame 3 is reversed and the concrete floor Q is completed (see FIG. 4). In addition, if it becomes necessary to wash the floor surface with water in applications such as a garbage storage house, it is easy to drain simply by installing the drain port 15 at an arbitrary position in the floor frame 3 before placing concrete. Floor concrete with a mouth is completed (see FIG. 5). Furthermore, the concrete placement and leveling work can be performed by simply arranging the steel surface plate 12 on the concrete placement line as shown in FIG. 3, from spreading the ready-mixed concrete from the concrete mixer 16 to placing and leveling. Floor concrete can be mass-produced efficiently and mechanically.

  In addition, each structure of the example of illustration in this invention is only one Example of this invention, and within the range which does not deviate from the summary of this invention, design changes, such as a shape and a dimension, a change of material, and a change of form, etc. It can be freely changed within the known technical scope.

It is a perspective view which shows this invention unit house. It is side sectional drawing which shows the placement state of this invention concrete floor structure. It is a top view which shows the placement state of this invention concrete floor structure. It is side sectional drawing which shows this invention concrete floor structure. It is a top view which shows this invention concrete floor structure. It is a perspective view which shows the conventional unit house. It is a sectional side view which shows the conventional concrete floor structure.

Explanation of symbols

P unit house Q Concrete floor Q1 Surface 1 Roof frame 2 Column 3 Floor frame 4 Veneer plywood 5 Long beam 6 Short beam 7 joist 8 Deck plate 9 Rebar 10 Wire mesh 11 Integrated frame 12 Steel surface plate 13 Straightening device 14 Vibration body 15 Drainage port 16 Concrete mixer truck

Claims (4)

  A steel frame-like floor frame, a plurality of joists installed in the floor frame, a wire mesh installed on the joists, an integrated frame standing on the upper surface of the floor frame, A concrete floor structure composed of a concrete floor on which concrete is cast from the upper surface to the upper surface position of the integral formwork, and the surface of the concrete floor is a floor with the integral formwork lying down on a smooth steel surface plate Concrete for a unit house characterized in that the surface formed by casting concrete from the joist of the frame is a surface that is installed toward the upper surface together with the integrated frame with the steel surface plate removed after the concrete is hardened Floor structure.   2. The concrete floor structure for a unit house according to claim 1, wherein the integrated frame is provided by welding a steel material having an arbitrary height on upper surfaces of steel long beams and short beams constituting the floor frame.   2. The concrete floor structure for a unit house according to claim 1, wherein the floor frame and the integrated frame have been subjected to hot dip galvanization before the concrete is placed. The concrete floor structure for a unit house according to claim 1, wherein the wire mesh is fixed to the joist with a wire mesh welded at an intersection of perpendicular steel wires.

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