KR101120360B1 - Light weight assembly for hollow and light slab using the same - Google Patents

Abstract

The present invention is an assembly fixed to the truss girder (D10) of the reinforced truss deck plate (D) consisting of a truss girder (D10) and a plate (D20),

Lightweight material having a width and a predetermined thickness that can be mounted on a plurality of truss girder (D10) of the reinforced truss deck plate (D) in the form of a donut having a concrete filling hole 110 in the center as a whole A plurality of fixing key insertion holes 120 are formed to penetrate vertically, and both truss girder inserts 130 are formed at both ends of the lower part, and the truss girder central insertion part 140 is formed at the center of the lower part. The main body 100 is formed; And a handle 210 is formed on the bent upper portion of the bent steel bar, and a truss fixing portion 220 is formed on the bent lower portion, and the truss fixing portion 220 to the main body 100. It is configured to include; a plurality of fixing keys 200 are inserted into the fixing key insertion hole 120 of the through-body disposed in the main body 100,

When the fixing key 200 rotates the handle 210 of the fixing key 200 in a state in which the fixing key 200 is penetrated through the main body 100, the truss fixing part 220 of the fixing key 200 is reinforced truss deck plate (D). It is characterized in that the main body 100 is integrally fixed to the reinforced truss deck plate (D) due to the fixing key 200 as it is caught under the upper main root (D11) of the truss girder (D10) of) Provided is a lightweight molding assembly for fixed installation on a rebar trussed deck plate.

In addition, the present invention provides a light weight slab structure using a lightweight member assembly for fixed installation on the reinforced truss type deck plate.

Hollow, Lightweight, Deck Plate, Hollow Slab, Joist Slab, Waffle Slab

Description

Light weight assembly for hollow installation on reinforced truss deck plate and light slab structure using same

The present invention is an assembly fixedly installed on the truss girder of the reinforced truss deck plate consisting of a truss girder and a plate,

The present invention relates to a lightweight molding material assembly and a light weight slab structure using the same for fixed installation on reinforced truss deck plates.

In buildings, slabs are horizontal members that are indispensable for use in order for people to live and live.

However, since the load acting on the slab acts in an adverse vertical direction rather than a structurally advantageous horizontal direction, the slab is structurally weak and a member to which a countermeasure is required. In addition, since it is not the main structural material that maintains the structure in response to external forces such as columns and beams, it needs to be made to function as lightly and efficiently as possible.

In small buildings, it is common to divide a reasonable area by beams, but when the span between pillars forms a long space, the height of the beam supporting the slab increases, which increases the height of the floor.

Therefore, a lightweight slab with high resistance to vertical loads is required without reducing the beam dancing and raising the floor height.

Traditional slab structures that meet these needs include joist slabs, waffle slabs, hollow core slabs, and the like.

The joist slab and the waffle slab have the disadvantage of complicated formwork by densely installing small dance beams in one or two directions, and hollow core slabs are stressed inside the slab. Since the construction to make the hollow part is complicated by lightening the part that hardly resists the light weight, it is not suitable for the construction method, which is the main purpose of the labor force reduction due to the decrease of the technical skill of the worker and the increase of labor cost.

In order to solve the problem of constructability, many methods using Half-PC have been developed and widely used in foreign countries, but in Korea, it is extremely limited in terms of transportation and yardage due to road and site conditions.

Deck plate has been commercialized effectively in the structural aspect by solid support and formless method in steel structure, etc. After that, rebar is pre-assembled in truss type and integrated deck plate, that is, reinforced truss type deck plate, minimizes reinforcement and constructability It is widely used mainly on steel structures, although it is possible to reduce air due to improvement and labor reduction.

However, when using the reinforced truss-type deck plate there is a limit that the amount of the slab concrete takes a lot, there is a need for countermeasure such as coupling with the hollow slab.

SUMMARY OF THE INVENTION The present invention has been made in order to solve the above-mentioned problems of the related art.

First, it provides a lightweight molding assembly for fixed installation on a rebar truss deck plate that can be easily assembled and installed on an integrated rebar truss deck plate by minimizing the number of parts. It is intended to provide a slab structure.

Second, to provide a lightweight molding assembly for the fixed installation on the reinforced truss deck plate that can be easily applied in the field as well as one-way hollow slab in the field and to provide a lightweight slab structure using the same.

Third, by providing a lightweight molding assembly to provide a lightweight molding assembly for the fixed installation on the reinforcement truss deck plate that can be economically installed while maintaining the construction quality easily even in the unskilled construction site and provides a lightweight slab structure using the same I would like to.

In order to solve the above technical problem, the present invention is an assembly fixedly installed on the truss girder (D10) of the reinforced truss deck plate (D) consisting of a truss girder (D10) and a plate (D20),

Lightweight material having a width and a predetermined thickness that can be mounted on a plurality of truss girder (D10) of the reinforced truss deck plate (D) in the form of a donut having a concrete filling hole 110 in the center as a whole A plurality of fixing key insertion holes 120 are formed to penetrate vertically, and both truss girder inserts 130 are formed at both ends of the lower part, and the truss girder central insertion part 140 is formed at the center of the lower part. The main body 100 is formed; And a handle 210 is formed on the bent upper portion of the bent steel bar, and a truss fixing portion 220 is formed on the bent lower portion, and the truss fixing portion 220 to the main body 100. It is configured to include; a plurality of fixing keys 200 are inserted into the fixing key insertion hole 120 of the through-body disposed in the main body 100,

When the fixing key 200 rotates the handle 210 of the fixing key 200 in a state in which the fixing key 200 is penetrated through the main body 100, the truss fixing part 220 of the fixing key 200 is reinforced truss deck plate (D). It is characterized in that the main body 100 is integrally fixed to the reinforced truss deck plate (D) due to the fixing key 200 as it is caught under the upper main root (D11) of the truss girder (D10) of) Provided is a lightweight molding assembly for fixed installation on a rebar trussed deck plate.

In addition, the present invention provides a lightweight slab structure using a lightweight molding assembly for fixed installation on the reinforcing truss deck plate.

According to the present invention, the following effects are expected.

First, the lightweight molding material assembly for fixed installation on the rebar truss-type deck plate of the present invention can be easily fixed to the reinforced truss-type deck plate is pre-assembled in the truss type reinforcing bars commonly used in slab construction In this way, the lightweight slab can be applied simply by construction in the field.

Second, the hollow slab can be easily installed without using special formwork or special labor. That is, the hollow slab is simply applied to the reinforced truss deck plate by pre-assembly the reinforcing bars in the truss type by slightly changing the size and shape of the lightweight molding assembly for fixed installation on the reinforced truss deck plate of the present invention Hollows can be easily formed. In particular, since it is possible to sufficiently satisfy the fire resistance specifications due to the concrete coating, when constructing a long span building according to the present invention can be omitted a separate fire resistance measures on the deck plate can reduce the associated costs.

Third, since the lightweight slab completed according to the present invention is a form in which a lightweight molding assembly for fixed installation on a reinforced truss deck plate is embedded, it is insulated by a lightweight molding assembly for fixed installation on a reinforced truss deck plate. The effects of sound insulation, vibration control, etc. can be expected. Accordingly, the present invention can be effectively applied not only to commercial facilities such as offices and malls, but also to residential buildings such as apartments and schools.

Fifth, since it is possible to integrate various parts such as spacers necessary for fixing the rebar to the slab construction to the lightweight molding material assembly for fixing to the reinforced truss-type deck plate of the present invention, the rebar in the slab construction Work efficiency can be improved while simplifying work such as back muscles.

Hereinafter, the present invention will be described in more detail with reference to the accompanying drawings.

1 and 2 are an exploded perspective view and a combined perspective view of the lightweight molding assembly and the reinforced truss deck plate for fixing to the reinforced truss deck plate of the present invention, respectively.

FIG. 3 is a plan view illustrating a coupling state of a lightweight molding member assembly and a reinforced truss deck plate for fixed installation on a reinforced truss deck plate of the present invention. FIG. 4 is a cross-sectional view taken along line AA ′ of FIG. 3. Is a cross-sectional view of BB` in FIG.

Lightweight molding material assembly for fixed installation on the reinforced truss deck plate of the present invention is an assembly fixedly mounted on the truss girder (D10) of the reinforced truss deck plate (D) consisting of a truss girder (D10) and a plate (D20). as,

Lightweight material having a width and a predetermined thickness that can be mounted on a plurality of truss girder (D10) of the reinforced truss deck plate (D) in the form of a donut having a concrete filling hole 110 in the center as a whole A plurality of fixing key insertion holes 120 are formed to penetrate vertically, and both truss girder inserts 130 are formed at both ends of the lower part, and the truss girder central insertion part 140 is formed at the center of the lower part. The main body 100 is formed; And a handle 210 is formed on the bent upper portion of the bent steel bar, and a truss fixing portion 220 is formed on the bent lower portion, and the truss fixing portion 220 to the main body 100. It is configured to include; a plurality of fixing keys 200 are inserted into the fixing key insertion hole 120 of the through-body disposed in the main body 100,

When the fixing key 200 rotates the handle 210 of the fixing key 200 in a state in which the fixing key 200 is penetrated through the main body 100, the truss fixing part 220 of the fixing key 200 is reinforced truss deck plate (D). It is characterized in that the main body 100 is integrally fixed to the reinforcement truss deck plate (D) due to the fixing key 200 as it is caught under the upper main root (D11) of the truss girder (D10) of the). .

The main body 100 has a width and a predetermined width that can be mounted on a plurality of truss girders (D10) of the reinforced truss deck plate (D) in a donut shape having a concrete filling hole 110 in the center as a whole. It is a member made of lightweight material to have a thickness. A plurality of fixing key insertion holes 120 are vertically penetrated, and truss girder inserts 130 are formed at both ends of the lower part, respectively. Truss girder central inserting part 140 is formed. Molding and manufacturing a lightweight material means that the weight is less than that of the same volume of concrete, and typical examples include foam molded products such as styrofoam, hollow plastic or synthetic resin molded products.

The main body 100 may be manufactured in various planes such as rectangular, square, and circular, as long as it maintains the shape of the center hole as a whole. However, in order to minimize stress resistance and facilitate slab concrete (C) casting when permanently embedded in the slab, it is preferable to manufacture the outer circumference by curved surface treatment.

The thickness of the main body 100 is effective to make the entire slab structurally stable after placing the slab concrete (C), as thick as possible within the limit suitable for the fire resistance structural regulations. That is, the thickness of the entire slab except for the upper 10cm, the lower 5cm may be the maximum thickness of the main body 100 can be applied.

The truss girder insert 130 and the truss girder central insertion unit 140 of the main body 100 are upper main roots of the truss girder D10 when the main body 100 is combined with the reinforced truss deck plate D. D11) is inserted and becomes a fixed part.

In addition, the main body 100 is to support the slab upper reinforcement (S1) is formed by extending the fixed key insertion hole 120 on the fixed key insertion hole 120 and formed to protrude on the upper surface of the main body 100 A plurality of spacers 150; When mounted on the plurality of truss girder (D10) of the reinforced truss deck plate (D), a plurality of protruding to the lower surface of the main body 100 for seating on the upper surface of the plate (D20) between the truss girder (D10) Four support legs 160; preferably provided with any one or more of the embodiment.

The spacer 150 fixes the position of the slab upper reinforcement S1 when the slab upper reinforcement S1 is placed and reinforces the position of the slab upper reinforcement S1 when the slab concrete C is placed. Do it.

The support leg 160 serves to prevent damage to the body 100 and the truss girder (D10) by dispersing the work load generated before and after slab concrete (C) casting, the shape of the slab concrete (C) casting It is preferable that the shape of the taper is tapered and the cross section is circular to elliptical while descending to prevent the filling at the time.

The fixing key 200 is formed by bending the steel bar in a U-shape as a whole, the handle 210 is formed on the bent upper portion and the truss fixing portion 220 is formed on the bent lower portion, from the truss fixing portion 220. It is inserted into the fixing key insertion hole 120 of the main body 100 is disposed through the main body 100.

When the fixing key 200 rotates the handle 210 of the fixing key 200 in a state in which the fixing key 200 is penetrated through the main body 100, the truss fixing part 220 of the fixing key 200 is reinforced truss deck plate (D). The main body 100 is integrally fixed to the reinforcing truss deck plate (D) due to the fixing key 200 as it is caught under the upper main root (D11) of the truss girder (D10).

The fixing key 200 is mainly produced by bending or welding a circular steel bar or rebar, etc., and the truss fixing part 220 does not receive the interference of the lattice D13 of the truss girder D10 during rotation. ) Is long enough to take.

7 is a partially enlarged view of a spacer of a lightweight molding material assembly for fixed installation on a reinforced truss deck plate of the present invention.

As shown in FIG. 7, the handle 210 of the fixing key 200 may be caught as it rotates, so that the fixing key insertion hole 120 of the upper portion of the main body 100 or the spacer 150 may move around the fixing key insertion hole 120 of FIG. When the small unevenness 152 of a) or the small inclined loop 154 of FIG. 7 (b) is further formed, the truss fixing part 220 of the fixing key 200 is connected to the truss girder D10 after the final installation. Fastening with the upper levitation (D11) is enhanced to prevent the departure.

6 is a cross-sectional view of a light weight slab structure using a lightweight molding material assembly for fixed installation on a reinforced truss deck plate of the present invention.

Lightweight slab structure using a lightweight molding material assembly for fixed installation on the reinforced truss deck plate of the present invention,

Reinforcing truss deck plate (D) formed of a plurality of truss girder (D10) divided into an upper dominant (D11), a lower dominant (D12) and a lattice (D13) formed in a plurality of rows on the plate (D20); A lightweight molding assembly for fixed installation on a reinforcement truss deck plate fixedly installed on a plurality of truss girder (D10) of the reinforcement truss deck plate (D); A slab upper reinforcing bar (S1) disposed above the lightweight molding material assembly for fixed installation on the reinforcing truss deck plate; And, the reinforcing truss deck plate (D) to the concrete coating thickness on the slab upper reinforcement (S1), but is cast, the body of the lightweight molding material assembly for fixed installation on the reinforcing truss deck plate It is characterized by consisting of; slab concrete (C) is poured while filling the concrete filling hole (110).

The lightweight molding assembly for fixed installation on the reinforced truss deck plate of the present invention is fixed to the reinforced truss deck plate (D), and the slab concrete (C) is poured after the slab upper reinforcement (S1) is properly disposed. When the slab concrete (C) is placed, the rise of the lightweight molding assembly for fixed installation on the reinforced truss deck plate of the present invention is suppressed, and the fixed installation on the reinforced truss deck plate of the present invention is suppressed. Since the slab concrete (C) is not poured, except for the concrete filling hole (110) in the portion where the lightweight molding assembly is installed, it is soon completed as a hollow lightweight slab.

In particular, the light weight slab structure using the lightweight molding assembly for fixed installation on the reinforced truss-type deck plate of the present invention can be advantageously applied to the construction of long span buildings because it is advantageous to deflection.

In addition, since the hollow slab is a structurally efficient kind of flat plate structure, the present invention contributes to the reduction of the height of the building while minimizing the thickness of the interlaminar framework. Furthermore, if a foam molded product such as styrofoam is used as the material of the main body 100, which is effective for heat insulation, sound absorption, etc., the light weight slab will also have an advantageous effect on heat insulation, interlayer noise reduction, and the like.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the invention.

Therefore, the claims of the present invention include modifications and variations that fall within the true scope of the invention.

1 is an exploded perspective view of a lightweight molding assembly and a reinforced truss deck plate for fixed installation on a reinforced truss deck plate of the present invention.

Figure 2 is a perspective view of the combination of the lightweight molding material assembly and the reinforced truss deck plate for fixed installation on the reinforced truss deck plate of the present invention.

Figure 3 is a plan view showing a coupling state of the lightweight molding material assembly and the reinforced truss deck plate for fixed installation on the reinforced truss deck plate of the present invention.

4 is a cross-sectional view taken along the line A-A 'of FIG. 3.

FIG. 5 is a cross-sectional view taken along line BB ′ in FIG. 3.

6 is a cross-sectional view of a light weight slab structure using a lightweight molding material assembly for fixed installation on a reinforced truss deck plate of the present invention.

7 is a partially enlarged view of a spacer of a lightweight molding material assembly for fixed installation on a reinforced truss deck plate of the present invention.

<Explanation of symbols for the main parts of the drawings>

D: Rebar Truss Deck Plate

D10: Truss girder

D11: Upper rotator

D12: lower root

D13: lattice

D20: plate

100: main body

110: concrete filling hole

120: fixed key insertion hole

130: both ends of the truss girder

140: truss girder center insert

150: spacer

152: irregularities

154: sloped loop

160: support leg

200: Sticky Key

210: handle

220: truss fixing part

S1: Slab Upper Bar

C: slab concrete

Claims (5)

An assembly fixedly installed on the truss girder (D10) of the reinforced truss deck plate (D) consisting of a truss girder (D10) and a plate (D20), Lightweight material having a width and a predetermined thickness that can be mounted on a plurality of truss girder (D10) of the reinforced truss deck plate (D) in the form of a donut having a concrete filling hole 110 in the center as a whole A plurality of fixing key insertion holes 120 are formed to penetrate vertically, and both truss girder inserts 130 are formed at both ends of the lower part, and the truss girder central insertion part 140 is formed at the center of the lower part. The main body 100 is formed; And, The handle 210 is formed on the bent upper portion in the form of bending the steel bar in the U-shape as a whole, and the truss fixing portion 220 is formed at the bent lower portion, and the truss fixing portion 220 is fixed to the main body 100. It is configured to include; a plurality of fixing keys 200 are inserted into the key insertion hole 120 and disposed through the main body 100, When the fixing key 200 rotates the handle 210 of the fixing key 200 in a state in which the fixing key 200 is penetrated through the main body 100, the truss fixing part 220 of the fixing key 200 is reinforced truss deck plate (D). It is characterized in that the main body 100 is integrally fixed to the reinforced truss deck plate (D) due to the fixing key 200 as it is caught under the upper main root (D11) of the truss girder (D10) of) Lightweight component assembly for fixed installation on reinforced truss deck plates. In claim 1, The main body 100, A plurality of spacers 150 are formed to support the slab upper reinforcement S1 and are formed by extending the fixing key insertion hole 120 on the fixing key insertion hole 120 and protruding from the upper surface of the main body 100. ; When mounted on the plurality of truss girder (D10) of the reinforced truss deck plate (D), a plurality of protruding to the lower surface of the main body 100 for seating on the upper surface of the plate (D20) between the truss girder (D10) Dog support legs 160; Lightweight molding material assembly for fixed installation on the reinforced truss-type deck plate, characterized in that any one or more further provided. The method of claim 1 or 2, In order to be caught as the handle 210 of the fixing key 200 rotates, the small unevenness 152 or the small inclined loop around the fixing key insertion hole 120 in the upper part of the main body 100 or the spacer 150 ( Lightweight molding material assembly for fixed installation on the reinforced truss deck plate, characterized in that the 154 is further formed. Reinforcing truss deck plate (D) formed of a plurality of truss girder (D10) divided into an upper dominant (D11), a lower dominant (D12) and a lattice (D13) formed in a plurality of rows on the plate (D20); Light-weight molding material assembly for fixed installation on the reinforced truss deck plate of claim 1 or 2 that is fixed to the plurality of truss girder (D10) of the reinforced truss deck plate (D); A slab upper reinforcing bar (S1) disposed above the lightweight molding material assembly for fixed installation on the reinforcing truss deck plate; And, Filled from the reinforced truss deck plate (D) to the concrete coating thickness on the slab upper reinforcement (S1), the concrete filling of the body 100 of the lightweight molding assembly for fixed installation on the reinforced truss deck plate Slab concrete (C) is poured while filling the hole (110); Lightweight slab structure using a lightweight molding material assembly for fixed installation on the reinforced truss deck plate, characterized in that consisting of. Reinforcing truss deck plate (D) formed of a plurality of truss girder (D10) divided into an upper dominant (D11), a lower dominant (D12) and a lattice (D13) formed in a plurality of rows on the plate (D20); Lightweight molding material assembly for the fixed installation of the reinforced truss deck plate of claim 3, which is fixed to the plurality of truss girder (D10) of the reinforced truss deck plate (D); A slab upper reinforcing bar (S1) disposed above the lightweight molding material assembly for fixed installation on the reinforcing truss deck plate; And, Filled from the reinforced truss deck plate (D) to the concrete coating thickness on the slab upper reinforcement (S1), the concrete filling of the body 100 of the lightweight molding assembly for fixed installation on the reinforced truss deck plate Slab concrete (C) is poured while filling the hole (110); Lightweight slab structure using a lightweight molding material assembly for fixed installation on the reinforced truss deck plate, characterized in that consisting of.

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