WO2017047834A1 - Prefabricated reinforcing bar column - Google Patents
Prefabricated reinforcing bar column Download PDFInfo
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- WO2017047834A1 WO2017047834A1 PCT/KR2015/009653 KR2015009653W WO2017047834A1 WO 2017047834 A1 WO2017047834 A1 WO 2017047834A1 KR 2015009653 W KR2015009653 W KR 2015009653W WO 2017047834 A1 WO2017047834 A1 WO 2017047834A1
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- reinforcing
- bracket
- bars
- coupling
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/30—Columns; Pillars; Struts
- E04C3/34—Columns; Pillars; Struts of concrete other stone-like material, with or without permanent form elements, with or without internal or external reinforcement, e.g. metal coverings
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/01—Reinforcing elements of metal, e.g. with non-structural coatings
Definitions
- the present invention relates to a pillar, and more particularly to a reinforcing rod assembly column.
- Construction industry framing works can be divided into reinforced concrete structure, steel structure, steel reinforced concrete structure.
- Reinforced concrete structure which is most commonly applied, is a construction method that uses only concrete and reinforcing bars in the field and installs formwork directly in the field, which has the advantage that the construction cost is the lowest than the other two methods.
- almost all of the work and costs are incurred on site, with the longest construction period of the above three methods and much more affected by the weather.
- the labor cost of rebar workers and carpenters has recently risen, making it difficult to supply manpower.
- the steel structure has the advantage of shortening the construction period because it can minimize the influence of the weather due to the factory manufacturing of the steel member and the dry method in the field, but it costs more than the reinforced concrete construction because it requires more steel than other construction methods. This is a high technique.
- Steel reinforced concrete structure can be called the fusion of steel structure and steel concrete structure. It is the construction method that can make the most robust structure by supplementing the structural shortcomings that cannot be solved with steel only with steel and concrete. However, there are still disadvantages of the cost increase due to the use of steel frame and the need to install formwork and cast concrete in the field.
- the dominance of the building market is gradually changing to a method that can simplify the construction method and minimize the manpower input on the site, that is, the structure or product can be manufactured in the factory and can be constructed simply and quickly.
- the various types of methods created above there are many pre-assembled products and methods that produce pillars or beams at the factory and construct them.There are many parts that need to be improved, such as the lack of cost competitiveness or the use of unnecessary steel due to the initial market entry. Is also springing up.
- the prefabrication method can satisfy two conditions: economics of reinforced concrete columns and constructability of steel structures.
- FIG. 1 is a perspective view showing a conventional column reinforcing bar joint. As shown in Figure 1, the loss of the reinforcing bar occurs at the site joint of the column head. Therefore, there is a need for a construction method that can secure economic feasibility by minimizing the loss of reinforcing bars in the field joint and optimizing the application of the bracket connecting the pillars and beams.
- the rebar prefabricated column is four main bars spaced vertically spaced from each other at the corner position of the column; A plurality of auxiliary muscles disposed vertically between the four main roots; A plurality of strip reinforcing bars coupled to the outside of the main bars in multiple stages while surrounding the outside of the main bars; A main bracket disposed at a height at which the beam is installed so that one surface thereof is seated on the upper surface or the lower surface of the beam to form a quadrangle, and each corner welds to the inner side of the four main roots; A coupling brackets disposed at the upper and lower ends of the main roots to form a square and each corner welds to the inner sides of the four main roots; And a first fastening bolt and a first fastening nut fastening the coupling brackets facing each other in a vertical direction.
- the main bar, the secondary bar and the band reinforcing bar each may be a welding rebar.
- the coupling brackets a plurality of reinforcing plates for reinforcing the coupling brackets from the outside; And a second fastening bolt and a second fastening nut fastening the reinforcing plates and the coupling bracket in a horizontal direction.
- the reinforcing plate may be disposed in the space between the main and auxiliary muscles, respectively.
- each corner may further include a sub bracket (sub bracket) for welding welding to the inner side of the four secondary main roots.
- the coupling bracket disposed at the bottom thereof is disposed so that the a-beams form a rectangle so that the lower surface is seated on the upper surface of the foundation, and the first fastening bolt may be an anchor bolt.
- the reinforcing bracing reinforcing bar may further include a reinforcing bracing reinforcing bar that is coupled to the end with an X-shape inside the two adjacent main bars to prevent buckling.
- the main part of the column is welded with the main bracket and the coupling bracket to secure the independence of construction and to install the beams, minimizing the use of on-site manpower and significantly reducing the process of the site. You can expect the effect.
- the reinforcement column in the form of a finished product can be installed in the field.
- the application of the main bracket connecting the column and beam ensures precision and seismic resistance, and the rebar arrangement is arranged to the edge of the column to facilitate the penetration of the main bracket, thereby improving the construction and construction of the site.
- the possibility of the quantity falling short of the bolt joint criteria due to the application of the coupling bracket can be reinforced by placing the first fastening bolt and the first fastening nut inside the coupling bracket.
- the reinforcing plate, the second fastening bolt and the second fastening nut may be used to reinforce the amount of steel in the coupling bracket.
- FIG. 1 is a perspective view showing a conventional column reinforcing bar joint.
- Figure 2 is a front view showing a reinforcing rod assembly column according to an embodiment of the present invention.
- FIG. 3 is a perspective view around the main bracket illustrated in FIG. 2.
- FIG. 4 is a cross-sectional view of A-A shown in FIG.
- FIG. 5 is a perspective view of the coupling bracket shown in FIG.
- FIG. 6 is a cross-sectional view of the coupling bracket shown in FIG. 5.
- FIG. 7 is an exploded perspective view of the coupling bracket shown in FIG. 5.
- FIG. 8 is a front view showing a reinforcing rod assembly column according to another embodiment of the present invention.
- FIG. 9 is a perspective view around the auxiliary bracket shown in FIG. 8.
- FIG. 10 is a front view illustrating a case where the reinforcing line assembly column is in contact with a foundation.
- FIG. 11 is a perspective view of a rebar prefabricated pillar according to another embodiment of the present invention.
- FIG. 2 is a front view showing a rebar prefabricated pillar according to an embodiment of the present invention
- Figure 3 is a perspective view of the surrounding main bracket shown in Figure 2
- Figure 4 is a cross-sectional view of AA shown in Figure 2
- Figure 5 6 is a cross-sectional view of the coupling bracket shown in FIG. 5
- FIG. 7 is an exploded perspective view of the coupling bracket shown in FIG. 5.
- the reinforcing bar prefabricated column includes four main bars 100, a plurality of auxiliary bars 200, a plurality of band bars 300, a main bracket 400, The coupling bracket 500, the first fastening bolt 610, and the first fastening nut 620 are included.
- the four main roots 100 are vertically spaced apart from each other at the corner positions of the column.
- the plurality of auxiliary muscles 200 are vertically disposed between the four main roots 100.
- the steel bars of the main rod 100 and the subsidiary muscle 200 are concentrated at the corners of the reinforcing wire assembly column PC, and the main bracket 400 and the main bracket 400 to be described later. To reduce the interference caused by joining, to maximize the tensile strength of the column and to ensure structural stability.
- the plurality of strip reinforcing bars 300 are coupled in multiple stages to the outside of the main bars 100 while surrounding the outside of the main bars 100.
- the main bar 100, the auxiliary bar 200 and the band reinforcing bar 300 uses a welding rebar, respectively. That is, by using the conventional reinforcing bars (SD500W, SD400W, etc.) to eliminate the use of conventional reinforcing bars to ensure the independence and workability by welding the main bar 100, the auxiliary bar 200 and the band reinforcing bar (300).
- conventional reinforcing bars SD500W, SD400W, etc.
- Welding reinforcing bars are specially manufactured to increase welding carbon in the processing plant.
- the carbon content of the general reinforcing bar is 0.2 to 0.3%, in the case of H-shaped steel, about 0.2%, and the reinforcing bar is 0.4% or more.
- undercut phenomenon occurs that the strength is weakened.
- welding bar there is no problem in the case of welding bar.
- the main bracket 400 is disposed such that the a-beams form a square at a height at which the beam B is installed so that one surface thereof is seated on the upper or lower surface of the beam B, and each corner has four main roots ( 100) Weld on the inside.
- the arrangement of the reinforcing bars is arranged to the corner of the column as much as possible to facilitate the penetration of the main bracket (400). The construction of the site can be improved.
- the coupling bracket 500 is disposed so that the a-beams form a quadrangle at the top and bottom of the main rod 100, and each corner is welded to the inner side of the four main roots.
- the coupling bracket 500 includes a plurality of reinforcing plates 510, a second fastening bolt 520, and a second fastening nut 530.
- the plurality of reinforcing plates 510 reinforce the coupling brackets 500 from the outside, and the second fastening bolt 520 and the second fastening nut 530 may reinforce the reinforcing plates 510 and the coupling brackets 500. Tighten in the horizontal direction.
- the coupling bracket 500 has a fastening hole 500b formed in the horizontal direction, and a fastening hole 510a is formed in the reinforcing plate 510 so that the second fastening bolt 520 penetrates.
- the reinforcing plate 510 is disposed in the space between the main root 100 and the auxiliary root 200, respectively.
- the reinforcing plate 510, the second fastening bolt 520, and the second fastening nut 530 may be used to reinforce the amount of steel in the coupling bracket.
- the first fastening bolt 610 and the first fastening nut 620 fasten coupling brackets 500 facing from the upper side and the lower side in the vertical direction.
- the coupling bracket 500 has a fastening hole 500a formed in the vertical direction so that the first fastening bolt 610 penetrates.
- the possibility that the quantity is less than the bolt joint criterion due to the application of the coupling bracket 500 may be reinforced by disposing the first fastening bolt 610 and the first fastening nut 620 inside the coupling bracket 500.
- FIG. 8 is a front view showing a rebar prefabricated pillar according to another embodiment of the present invention
- Figure 9 is a perspective view around the auxiliary bracket shown in FIG.
- the auxiliary main 110 is spaced vertically apart from each other inside the main root 100.
- the secondary main 110 may be welded to the secondary root 200 at the bottom.
- the auxiliary bracket 410 is disposed so that the a-beams form a quadrangle in the inner side of the main bracket 400, and each corner is welded to the inner side of the four auxiliary roots 110.
- the auxiliary bracket 410 is seated inside the main bracket 400. That is, even when the cross section of the pillar decreases from the upper side, continuous construction of the reinforcement line assembly pillar (PC) is possible using the auxiliary main rod 110 and the auxiliary bracket 410.
- PC reinforcement line assembly pillar
- FIG. 10 is a front view illustrating a case where the reinforcing line assembly column is in contact with a foundation.
- the coupling brackets 500 disposed at the bottom of the steel beams have a quadrangular shape so that the lower surfaces thereof are seated on the upper surface of the foundation F. It is arranged to achieve, the first fastening bolt 610 is replaced by an anchor bolt (A).
- FIG. 11 is a perspective view of a rebar prefabricated pillar according to another embodiment of the present invention.
- the reinforcing bracing rebar 700 may be provided to which the main bar 100 and the end are coupled in an X-shape inside two adjacent main bars 100 to prevent buckling.
- the reinforcing bracing reinforcement 700 is used for welding rebar. That is, when the construction load is concentrated in the construction process, by placing the reinforcing bracing reinforcement 700 inside the main bar 100, it is possible to prevent the situation that the reinforcement yield of the column main bar 100 occurs.
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Abstract
The present invention relates to a prefabricated reinforcing bar column comprising: four main bars which are vertically disposed and spaced apart from each other in corner positions of a column; a plurality of auxiliary bars which are vertically disposed between the four main bars; a plurality of hoops which cover the outer sides of the main bars and are coupled in multiple steps on the outer sides of the main bars; a main bracket which is disposed so as to have L-shaped steels form a square at a height where a beam is installed so as to enable one surface thereof to be secured to the upper surface or the lower surface of the beam, and which has each corner thereof coupled to the inner sides of the four main bars by means of welding; coupling brackets which are disposed so as to have L-shaped steels form a square at the upper ends and the lower ends of the main bars, and which have each corner thereof coupled to the inner sides of the four main bars by means of welding; and first coupling bolts and first coupling nuts which couple, in a vertical direction, the coupling brackets that are facing each other. According to the present invention, independence in construction is secured by welding main bars of a column with a main bracket and coupling brackets, and a system enabling the preconstruction of a beam is obtained, thereby minimizing the use of manpower on site and markedly reducing processes on site, and thus an effect of shortening construction time and reducing management factors may be expected.
Description
본 발명은 기둥에 관한 것으로, 보다 구체적으로는 철근 선조립 기둥에 관한 것이다.The present invention relates to a pillar, and more particularly to a reinforcing rod assembly column.
건설업 골조공사는 크게 철근 콘크리트 구조, 철골 구조, 철골 철근 콘크리트구조로 나눌 수 있다.Construction industry framing works can be divided into reinforced concrete structure, steel structure, steel reinforced concrete structure.
가장 많이 보편적으로 적용되고 있는 철근 콘크리트구조는 콘크리트와 철근만을 사용하여 현장에서 직접 시공을 하고 거푸집 또한 현장에서 직접 설치하여 콘크리트를 타설하는 공법으로 공사비가 다른 두 공법에 비해 가장 저렴하다는 장점이 있다. 그러나 거의 모든 작업과 비용이 현장에서 발생을 하며, 위의 세 가지 공법 중 가장 공사기간이 길고 날씨의 영향을 많이 받는다. 또한 현장인력 의존도가 높고 최근에 철근공과 목수의 인건비 상승으로 인력수급에 어려움이 있으며 공사비 또한 점점 상승하고 있다.Reinforced concrete structure, which is most commonly applied, is a construction method that uses only concrete and reinforcing bars in the field and installs formwork directly in the field, which has the advantage that the construction cost is the lowest than the other two methods. However, almost all of the work and costs are incurred on site, with the longest construction period of the above three methods and much more affected by the weather. In addition, due to the high dependence of on-site manpower, the labor cost of rebar workers and carpenters has recently risen, making it difficult to supply manpower.
철골 구조의 경우 철골 부재의 공장 제작과 현장에서의 건식공법으로 인해 날씨의 영향을 최소화할 수 있으므로 공사기간을 단축시킬 수 있는 장점이 있으나 여타의 공법보다 강재량이 많이 소요되어 철근콘크리트 공사에 비해 비용이 높은 공법이다.The steel structure has the advantage of shortening the construction period because it can minimize the influence of the weather due to the factory manufacturing of the steel member and the dry method in the field, but it costs more than the reinforced concrete construction because it requires more steel than other construction methods. This is a high technique.
철골 철근 콘크리트구조는 철골구조와 철골 콘크리트 구조의 융합이라고 할 수 있는데 철골만으로 해결될 수 없는 구조적 단점을 철근과 콘크리트로 보완을 하여 가장 튼튼하게 구조체를 만들 수 있는 공법이다. 그러나 철골을 사용함에 따라 공사비 상승요인이 있고 현장에서 거푸집을 설치하고 콘크리트를 타설해야 하는 단점은 여전히 존재한다.Steel reinforced concrete structure can be called the fusion of steel structure and steel concrete structure. It is the construction method that can make the most robust structure by supplementing the structural shortcomings that cannot be solved with steel only with steel and concrete. However, there are still disadvantages of the cost increase due to the use of steel frame and the need to install formwork and cast concrete in the field.
따라서, 위 공법들의 장점을 조합하고 각 공정간의 이질적인 부분을 조합하여 효과적으로 현장에 적용할 수 있는 공법의 필요성이 날로 요구되고 있는 상황이다.Therefore, there is a demand for a method that can be effectively applied to the site by combining the advantages of the above methods and combining heterogeneous parts between the processes.
현재 건축시장은 심각한 인력난과 원자재가격의 불안정성 등 호재보다는 악재가 많은 상황이며 가장 심각한 문제인 인력난에 봉착하여 고급기술자가 지속적으로 감소하고 현장에 인력을 제때 수급하지 못하는 상황이 비일비재하다.At present, the construction market is more adverse than good news, such as severe labor shortages and instability of raw material prices. The most serious problem is the shortage of high-quality engineers and the inability to supply manpower on-site.
이러한 이유로 건축시장의 판도는 점차 공법을 단순화하고 현장의 인력투입을 최소화할 수 있는 즉 구조물이나 제품을 공장에서 제작을 하여 간단하고 신속하게 시공할 수 있는 형태의 공법들로 변화되고 있다. 위와 같은 이유로 생긴 여러 형태의 공법들 중 기둥이나 보를 공장에서 생산하여 시공하는 선조립 형태의 제품과 공법들이 많이 생겨나고 있는데 시장 초기 진입으로 인한 단가 경쟁력 부재 또는 불필요한 강재 사용 등 여러 개선해 나가야 할 부분들도 생겨나고 있다.For this reason, the dominance of the building market is gradually changing to a method that can simplify the construction method and minimize the manpower input on the site, that is, the structure or product can be manufactured in the factory and can be constructed simply and quickly. Among the various types of methods created above, there are many pre-assembled products and methods that produce pillars or beams at the factory and construct them.There are many parts that need to be improved, such as the lack of cost competitiveness or the use of unnecessary steel due to the initial market entry. Is also springing up.
이것이 철근 콘크리트 공사의 최대 단점인 현장작업 의존도를 낮추고 철골구조의 장점인 공장 제작 방법을 접목시킨 주요 구조부의 선조립 공법의 필요성이 더욱 부각되고 있는 이유이기도 하다. 선조립 공법은 철근 콘크리트 기둥의 경제성과 철골 구조의 시공성이라는 두 조건을 충족시킬 수가 있다.This is why the necessity of pre-assembly of the major structural parts that lowers the dependence on the field work, the biggest disadvantage of reinforced concrete construction, and the method of manufacturing the factory, which is the advantage of the steel structure, is more important. The prefabrication method can satisfy two conditions: economics of reinforced concrete columns and constructability of steel structures.
허나, 철근 선조립 기둥을 설치하다 보면 시공 자립도를 계산하여 시공을 하더라도 철근의 특성상 수직도를 확보하기가 어렵고, 시공과정에 관리 소홀이나 공법의 인지도 부족으로 인해 슬래브나 보위에 과도하게 하중이 집중되는 경우가 종종 발생한다.However, when installing the reinforcing bar columns, it is difficult to secure verticality even if the construction is calculated by independence, and excessive load is concentrated on the slab or bow due to neglect of management or lack of recognition in the construction process. It often happens.
도 1은 종래의 기둥 철근 이음을 나타낸 사시도이다. 도 1에 도시된 것처럼 기둥 주근의 현장 이음시 철근의 손실이 발생한다. 따라서, 현장 이음에서 생기는 철근의 손실을 최소화하고 기둥과 보를 연결하는 브라켓의 적용을 최적화하여 공사원가도 낮춰 경제성도 확보할 수 있는 공법이 필요한 실정이다.1 is a perspective view showing a conventional column reinforcing bar joint. As shown in Figure 1, the loss of the reinforcing bar occurs at the site joint of the column head. Therefore, there is a need for a construction method that can secure economic feasibility by minimizing the loss of reinforcing bars in the field joint and optimizing the application of the bracket connecting the pillars and beams.
본 발명의 목적은 공장 제작의 효율성 및 현장의 시공성을 향상시킬 수 있는 철근 선조립 기둥을 제공하는 것이다.It is an object of the present invention to provide a rebar prefabricated column that can improve the efficiency of plant construction and workability of the site.
위와 같은 목적을 달성하기 위하여, 본 발명의 실시예에 따른 철근 선조립 기둥은 기둥의 코너 위치에 서로 이격되어 수직으로 배치되는 4개의 주근; 상기 4개의 주근 사이에 수직으로 배치되는 복수의 보조근; 상기 주근들의 외측을 감싸면서 상기 주근들의 외측에 다단으로 결합되는 복수의 띠철근; 일면이 보의 상면 또는 하면에 안착되도록 보가 설치되는 높이에 ㄱ형강들이 사각형을 이루도록배치되며, 각 코너가 상기 4개의 주근 내측에 용접 결합하는 메인 브라켓(main bracket); 상기 주근 상단 및 하단에 ㄱ형강들이 사각형을 이루도록 배치되며, 각 코너가 상기 4개의 주근 내측에 용접 결합하는 결합 브라켓; 및 마주보는 상기 결합 브라켓들을 수직 방향으로 체결하는 제1 체결 볼트와 제1 체결 너트를 포함한다.In order to achieve the above object, the rebar prefabricated column according to an embodiment of the present invention is four main bars spaced vertically spaced from each other at the corner position of the column; A plurality of auxiliary muscles disposed vertically between the four main roots; A plurality of strip reinforcing bars coupled to the outside of the main bars in multiple stages while surrounding the outside of the main bars; A main bracket disposed at a height at which the beam is installed so that one surface thereof is seated on the upper surface or the lower surface of the beam to form a quadrangle, and each corner welds to the inner side of the four main roots; A coupling brackets disposed at the upper and lower ends of the main roots to form a square and each corner welds to the inner sides of the four main roots; And a first fastening bolt and a first fastening nut fastening the coupling brackets facing each other in a vertical direction.
여기서, 상기 주근, 상기 보조근 및 상기 띠철근은, 각각 용접용 철근일 수 있다.Here, the main bar, the secondary bar and the band reinforcing bar, each may be a welding rebar.
또한, 상기 결합 브라켓은, 상기 결합 브라켓들을 외측에서 보강하는 복수의 보강 플레이트; 및 상기 보강 플레이트들과 상기 결합 브라켓들을 수평방향으로 체결하는 제2 체결 볼트와 제2 체결 너트를 더 구비할 수 있다.In addition, the coupling brackets, a plurality of reinforcing plates for reinforcing the coupling brackets from the outside; And a second fastening bolt and a second fastening nut fastening the reinforcing plates and the coupling bracket in a horizontal direction.
아울러, 상기 보강 플레이트는, 상기 주근과 보조근 사이의 공간에 각각 배치될 수 있다.In addition, the reinforcing plate may be disposed in the space between the main and auxiliary muscles, respectively.
나아가, 기둥의 단면이 상측에서 감소할 경우, 상기 주근의 내측에서 서로 이격되어 수직으로 배치되는 4개의 보조 주근; 및 상기 메인 브라켓의 내측에 ㄱ형강들이 사각형을 이루도록 배치되며, 각 코너가 상기 4개의 보조 주근 내측에 용접 결합하는 보조 브라켓(sub bracket)을 더 포함할 수 있다.Furthermore, when the cross section of the pillar is reduced in the upper side, the four secondary main roots vertically spaced apart from each other inside the main root; And the a-beams are arranged to form a square in the inner side of the main bracket, each corner may further include a sub bracket (sub bracket) for welding welding to the inner side of the four secondary main roots.
더욱이, 기초 위에 배치되는 철근 선조립 기둥일 경우, 하단에 배치되는 상기 결합 브라켓은, 하면이 기초의 상면에 안착되도록 ㄱ형강들이 사각형을 이루도록 배치되며, 상기 제1 체결 볼트는 앵커 볼트일 수 있다.Furthermore, in the case of the rebar prefabricated pillar disposed on the foundation, the coupling bracket disposed at the bottom thereof is disposed so that the a-beams form a rectangle so that the lower surface is seated on the upper surface of the foundation, and the first fastening bolt may be an anchor bolt. .
게다가, 좌굴을 방지하기 위해 인접한 2개의 상기 주근 내측에서 X자 형상으로 상기 주근과 단부가 결합하는 보강 브레이싱 철근을 더 구비하되, 상기 보강 브레이싱 철근은 용접용 철근일 수 있다.In addition, the reinforcing bracing reinforcing bar may further include a reinforcing bracing reinforcing bar that is coupled to the end with an X-shape inside the two adjacent main bars to prevent buckling.
본 발명의 실시예에 따른 철근 선조립 기둥에 의하면,According to the rebar prefabricated column according to an embodiment of the present invention,
첫째, 기둥의 주근을 메인 브라켓과 결합 브라켓과 용접하여 시공 자립도를 확보하고 보를 선시공할 수 있는 시스템을 갖춰 현장인력 사용을 최소화하고 현장의 공정의 현격히 줄어들기 때문에 공사기간 단축 및 관리요소 감소 등의 효과를 기대할 수 있다.First, the main part of the column is welded with the main bracket and the coupling bracket to secure the independence of construction and to install the beams, minimizing the use of on-site manpower and significantly reducing the process of the site. You can expect the effect.
둘째, 건축 구조물의 주요 구조체인 기둥을 용접용 철근을 사용하여 강구조물과 같은 형태의 제작 방법인 공장에서 제작을 한 후 현장에서는 완성품 형태의 철근기둥을 설치할 수 있다.Second, after manufacturing the pillar, which is the main structure of the building structure, in the factory, which is the same method as the steel structure, using the reinforcing bars, the reinforcement column in the form of a finished product can be installed in the field.
셋째, 기둥과 보를 연결하는 메인 브라켓의 적용으로 정밀성과 내진성을 확보하고 철근의 배치를 기둥의 모서리 부위로 최대한 배열을 하여 메인 브라켓의 관통을 용이하게 하여 공장제작과 현장의 시공성을 높일 수 있다.Third, the application of the main bracket connecting the column and beam ensures precision and seismic resistance, and the rebar arrangement is arranged to the edge of the column to facilitate the penetration of the main bracket, thereby improving the construction and construction of the site.
넷째, 종래의 현장 겹침 이음 부분을 결합 브라켓으로 대체하여 불필요한 겹침 이음의 강재량을 줄일 수 있다.Fourth, it is possible to reduce the amount of steel of the unnecessary overlapping joint by replacing the conventional field overlapping joint with a coupling bracket.
다섯째, 강구조물형식의 제1 체결 볼트와 제1 체결 너트를 적용하여 시공성과 경제성을 동시에 이룰 수 있다.Fifth, by applying the first fastening bolt and the first fastening nut of the steel structure type can achieve the construction and economical at the same time.
여섯째, 결합 브라켓의 적용으로 인해 볼트 접합 기준에 수량이 미달할 가능성은 제1 체결 볼트와 제1 체결 너트를 결합 브라켓의 내측에 배치함으로써 보강할 수 있다.Sixth, the possibility of the quantity falling short of the bolt joint criteria due to the application of the coupling bracket can be reinforced by placing the first fastening bolt and the first fastening nut inside the coupling bracket.
일곱째, 보강 플레이트, 제2 체결 볼트 및 제2 체결 너트를 사용하여 결합 브라켓의 강재량을 보강할 수 있다.Seventh, the reinforcing plate, the second fastening bolt and the second fastening nut may be used to reinforce the amount of steel in the coupling bracket.
여덟째, 기둥의 단면이 상측에서 감소할 경우에도, 보조 주근과 보조 브라켓을 사용하여 철근 선조립 기둥의 연속적인 시공이 가능하다.Eighth, even when the cross section of the column decreases from the upper side, it is possible to continuously construct the reinforcement prefabricated column using the auxiliary main bar and the auxiliary bracket.
아홉째, 선조립 기둥과 기초를 접할할 경우에도 하단의 메인 브라켓과 기초를 앵커 볼트로 체결할 수 있다.Ninth, even when contacting the pre-assembled pillar and the base can be fastened to the bottom of the main bracket and the base with an anchor bolt.
열째, 시공 과정에 시공하중이 집중되는 경우 주철근 내부에 보강 브레이싱 철근을 배치하여 기둥 주근의 철근 항복이 생기는 상황을 방지할 수가 있다.Tenth, when the construction load is concentrated in the construction process, it is possible to prevent the situation that the reinforcement yield of the column reinforcement by placing the reinforcing bracing reinforcement inside the main reinforcing bar.
도 1은 종래의 기둥 철근 이음을 나타낸 사시도이다.1 is a perspective view showing a conventional column reinforcing bar joint.
도 2는 본 발명의 실시예에 따른 철근 선조립 기둥을 나타낸 정면도이다.Figure 2 is a front view showing a reinforcing rod assembly column according to an embodiment of the present invention.
도 3은 도 2에 도시된 메인 브라켓 주변의 사시도이다.3 is a perspective view around the main bracket illustrated in FIG. 2.
도 4는 도 2에 도시된 A-A의 단면도이다.4 is a cross-sectional view of A-A shown in FIG.
도 5는 도 2에 도시된 결합 브라켓의 결합사시도이다.5 is a perspective view of the coupling bracket shown in FIG.
도 6은 도 5에 도시된 결합 브라켓의 횡단면도이다.6 is a cross-sectional view of the coupling bracket shown in FIG. 5.
도 7은 도 5에 도시된 결합 브라켓의 분해사시도이다.7 is an exploded perspective view of the coupling bracket shown in FIG. 5.
도 8은 본 발명의 다른 실시예에 따른 철근 선조립 기둥을 나타낸 정면도이다.8 is a front view showing a reinforcing rod assembly column according to another embodiment of the present invention.
도 9는 도 8에 도시된 보조 브라켓 주변의 사시도이다.9 is a perspective view around the auxiliary bracket shown in FIG. 8.
도 10은 철근 선조립 기둥과 기초를 접할할 경우를 나타낸 정면도이다.FIG. 10 is a front view illustrating a case where the reinforcing line assembly column is in contact with a foundation. FIG.
도 11은 본 발명의 또 다른 실시예에 따른 철근 선조립 기둥을 나타낸 사시도이다.11 is a perspective view of a rebar prefabricated pillar according to another embodiment of the present invention.
이하, 첨부된 도면을 참조하여 본 발명의 바람직한 실시예들을 상세히 설명한다. 이때, 첨부된 도면에서 동일한 구성 요소는 가능한 동일한 부호로 나타내고 있음에 유의한다. 또한, 본 발명의 요지를 흐리게 할 수 있는 공지 기능 및 구성에 대한 상세한 설명은 생략할 것이다. 마찬가지 이유로 첨부 도면에 있어서 일부 구성요소는 과장되거나 생략되거나 개략적으로 도시되었다.Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. In this case, the same components in the accompanying drawings are to be noted with the same reference numerals as possible. In addition, detailed descriptions of well-known functions and configurations that may blur the gist of the present invention will be omitted. For the same reason, in the accompanying drawings, some components are exaggerated, omitted or schematically illustrated.
도 2는 본 발명의 실시예에 따른 철근 선조립 기둥을 나타낸 정면도, 도 3은 도 2에 도시된 메인 브라켓 주변의 사시도, 도 4는 도 2에 도시된 A-A의 단면도, 도 5는 도 2에 도시된 결합 브라켓의 결합사시도, 도 6은 도 5에 도시된 결합 브라켓의 횡단면도, 도 7은 도 5에 도시된 결합 브라켓의 분해사시도이다.2 is a front view showing a rebar prefabricated pillar according to an embodiment of the present invention, Figure 3 is a perspective view of the surrounding main bracket shown in Figure 2, Figure 4 is a cross-sectional view of AA shown in Figure 2, Figure 5 6 is a cross-sectional view of the coupling bracket shown in FIG. 5, FIG. 7 is an exploded perspective view of the coupling bracket shown in FIG. 5.
도 1 내지 도 7을 참조하면, 철근 선조립 기둥(PC)은 4개의 주근(100), 복수의 보조근(200), 복수의 띠철근(300), 메인 브라켓(main bracket)(400), 결합 브라켓(500) 및 제1 체결 볼트(610)와 제1 체결 너트(620)를 포함한다.1 to 7, the reinforcing bar prefabricated column (PC) includes four main bars 100, a plurality of auxiliary bars 200, a plurality of band bars 300, a main bracket 400, The coupling bracket 500, the first fastening bolt 610, and the first fastening nut 620 are included.
4개의 주근(100)은 기둥의 코너 위치에 서로 이격되어 수직으로 배치된다. 복수의 보조근(200)은 4개의 주근(100) 사이에 수직으로 배치된다.The four main roots 100 are vertically spaced apart from each other at the corner positions of the column. The plurality of auxiliary muscles 200 are vertically disposed between the four main roots 100.
도 5에 도시된 것처럼 철근 선조립 기둥(PC) 코너부에 주근(100) 및 보조근(200)의 강재량을 집중시켜 주근(100) 및 보조근(200)과 후술할 메인 브라켓(400)의 접합시 생기는 간섭을 줄이고, 기둥의 인장력을 가장 극대화시킬 수 있으며 구조적 안정성을 확보할 수 있다.As shown in FIG. 5, the steel bars of the main rod 100 and the subsidiary muscle 200 are concentrated at the corners of the reinforcing wire assembly column PC, and the main bracket 400 and the main bracket 400 to be described later. To reduce the interference caused by joining, to maximize the tensile strength of the column and to ensure structural stability.
복수의 띠철근(300)은 주근들(100)의 외측을 감싸면서 주근들(100)의 외측에 다단으로 결합된다.The plurality of strip reinforcing bars 300 are coupled in multiple stages to the outside of the main bars 100 while surrounding the outside of the main bars 100.
여기서, 주근(100), 보조근(200) 및 띠철근(300)은 각각 용접용 철근을 사용한다. 즉, 종래의 철근 사용을 배제하고 대구경 용접용 철근(SD500W, SD400W 등)을 이용하여 주근(100), 보조근(200) 및 띠철근(300)을 용접하여 자립도 및 시공성을 확보한다.Here, the main bar 100, the auxiliary bar 200 and the band reinforcing bar 300 uses a welding rebar, respectively. That is, by using the conventional reinforcing bars (SD500W, SD400W, etc.) to eliminate the use of conventional reinforcing bars to ensure the independence and workability by welding the main bar 100, the auxiliary bar 200 and the band reinforcing bar (300).
용접용 철근은 탄소함유량을 높여 가공공장에서 용접이 쉽도록 특수 제작하게 된다. 일반 철근의 탄소함유량은 0.2~0.3%, H 형강의 경우 0.2% 정도, 용접용 철근은 0.4% 이상이다. 일반 철근의 경우 용접을 하게 되면 강도가 약해지는 언더컷(Undercut) 현상이 발생하지만, 용접용 철근의 경우 이상이 없는 장점이있다.Welding reinforcing bars are specially manufactured to increase welding carbon in the processing plant. The carbon content of the general reinforcing bar is 0.2 to 0.3%, in the case of H-shaped steel, about 0.2%, and the reinforcing bar is 0.4% or more. In case of general reinforcing bar, undercut phenomenon occurs that the strength is weakened. However, in case of welding bar, there is no problem in the case of welding bar.
도 3에 도시된 것처럼 메인 브라켓(400)은 일면이 보(B)의 상면 또는 하면에 안착되도록 보(B)가 설치되는 높이에 ㄱ형강들이 사각형을 이루도록 배치되며, 각 코너가 4개의 주근(100) 내측에 용접 결합한다. 철근 선조립 기둥(PC)과 보(B)를 연결하는 메인 브라켓(400)의 적용으로 철근의 배치를 기둥의 모서리부위로 최대한 배열을 하여 메인 브라켓(400)의 관통을 용이하게 하여 공장제작과 현장의 시공성을 높일 수 있다.As shown in FIG. 3, the main bracket 400 is disposed such that the a-beams form a square at a height at which the beam B is installed so that one surface thereof is seated on the upper or lower surface of the beam B, and each corner has four main roots ( 100) Weld on the inside. With the application of the main bracket 400 connecting the reinforcing wire assembly column (PC) and the beam (B), the arrangement of the reinforcing bars is arranged to the corner of the column as much as possible to facilitate the penetration of the main bracket (400). The construction of the site can be improved.
도 5 내지 도 7에 도시된 것처럼 결합 브라켓(500)은 주근(100) 상단 및 하단에 ㄱ형강들이 사각형을 이루도록 배치되며, 각 코너가 4개의 주근 내측에 용접 결합한다.5 to 7, the coupling bracket 500 is disposed so that the a-beams form a quadrangle at the top and bottom of the main rod 100, and each corner is welded to the inner side of the four main roots.
이때, 결합 브라켓(500)은 복수의 보강 플레이트(510) 및 제2 체결볼트(520)와 제2 체결 너트(530)를 구비한다.In this case, the coupling bracket 500 includes a plurality of reinforcing plates 510, a second fastening bolt 520, and a second fastening nut 530.
복수의 보강 플레이트(510)은 결합 브라켓들(500)을 외측에서 보강하며, 제2 체결 볼트(520)와 제2 체결 너트(530)는 보강 플레이트들(510)과 결합브라켓들(500)을 수평 방향으로 체결한다. 결합브라켓(500)은 수평 방향으로 체결홀(500b)이 형성되고 보강 플레이트(510)에도 체결홀(510a)이 형성되어 제2 체결볼트(520)가 관통한다.The plurality of reinforcing plates 510 reinforce the coupling brackets 500 from the outside, and the second fastening bolt 520 and the second fastening nut 530 may reinforce the reinforcing plates 510 and the coupling brackets 500. Tighten in the horizontal direction. The coupling bracket 500 has a fastening hole 500b formed in the horizontal direction, and a fastening hole 510a is formed in the reinforcing plate 510 so that the second fastening bolt 520 penetrates.
보강 플레이트(510)는 주근(100)과 보조근(200) 사이의 공간에 각각 배치된다. 보강 플레이트(510), 제2 체결 볼트(520) 및 제2 체결 너트(530)를 사용하여 결합 브라켓의 강재량을 보강할 수 있다.The reinforcing plate 510 is disposed in the space between the main root 100 and the auxiliary root 200, respectively. The reinforcing plate 510, the second fastening bolt 520, and the second fastening nut 530 may be used to reinforce the amount of steel in the coupling bracket.
제1 체결 볼트(610)와 제1 체결 너트(620)는 상측 및 하측에서 마주보는 결합 브라켓들(500)을 수직 방향으로 체결한다. 결합브라켓(500)은 수직 방향으로 체결홀(500a)이 형성되어 제1 체결 볼트(610)가 관통한다. 결합 브라켓(500)의 적용으로 인해 볼트 접합 기준에 수량이 미달할 가능성은 제1 체결 볼트(610)와 제1 체결 너트(620)를 결합 브라켓(500)의 내측에 배치함으로써 보강할 수 있다.The first fastening bolt 610 and the first fastening nut 620 fasten coupling brackets 500 facing from the upper side and the lower side in the vertical direction. The coupling bracket 500 has a fastening hole 500a formed in the vertical direction so that the first fastening bolt 610 penetrates. The possibility that the quantity is less than the bolt joint criterion due to the application of the coupling bracket 500 may be reinforced by disposing the first fastening bolt 610 and the first fastening nut 620 inside the coupling bracket 500.
도 8은 본 발명의 다른 실시예에 따른 철근 선조립 기둥을 나타낸 정면도, 도 9는 도 8에 도시된 보조 브라켓 주변의 사시도이다.8 is a front view showing a rebar prefabricated pillar according to another embodiment of the present invention, Figure 9 is a perspective view around the auxiliary bracket shown in FIG.
도 8 및 도 9에 도시된 것처럼, 기둥의 단면이 상측에서 감소할 경우, 4개의 보조 주근(110) 및 보조 브라켓(sub bracket)(410)을 더 포함한다.As shown in FIGS. 8 and 9, when the cross section of the pillar decreases from the upper side, it further includes four auxiliary roots 110 and sub brackets 410.
보조 주근(110)은 주근(100)의 내측에서 서로 이격되어 수직으로 배치된다. 보조 주근(110)은 하부의 보조근(200)과 용접 결합할 수 있다. 보조 브라켓(410)은 메인 브라켓(400)의 내측에 ㄱ형강들이 사각형을 이루도록 배치되며, 각 코너가 4개의 보조 주근(110) 내측에 용접 결합한다. 보조 브라켓(410)은 메인 브라켓(400)의 내측에 안착된다. 즉, 기둥의 단면이 상측에서 감소할 경우에도, 보조 주근(110)과 보조 브라켓(410)을 사용하여 철근 선조립 기둥(PC)의 연속적인 시공이 가능하다.The auxiliary main 110 is spaced vertically apart from each other inside the main root 100. The secondary main 110 may be welded to the secondary root 200 at the bottom. The auxiliary bracket 410 is disposed so that the a-beams form a quadrangle in the inner side of the main bracket 400, and each corner is welded to the inner side of the four auxiliary roots 110. The auxiliary bracket 410 is seated inside the main bracket 400. That is, even when the cross section of the pillar decreases from the upper side, continuous construction of the reinforcement line assembly pillar (PC) is possible using the auxiliary main rod 110 and the auxiliary bracket 410.
도 10은 철근 선조립 기둥과 기초를 접할할 경우를 나타낸 정면도이다.FIG. 10 is a front view illustrating a case where the reinforcing line assembly column is in contact with a foundation. FIG.
도 10에 도시된 것처럼, 기초(F) 위에 배치되는 철근 선조립 기둥(PC)일 경우, 하단에 배치되는 결합 브라켓(500)은 하면이 기초(F)의 상면에 안착되도록 ㄱ형강들이 사각형을 이루도록 배치되며, 제1 체결 볼트(610)는 앵커 볼트(A)로 대체된다.As shown in FIG. 10, in the case of the reinforced line assembly pillar PC disposed on the foundation F, the coupling brackets 500 disposed at the bottom of the steel beams have a quadrangular shape so that the lower surfaces thereof are seated on the upper surface of the foundation F. It is arranged to achieve, the first fastening bolt 610 is replaced by an anchor bolt (A).
도 11은 본 발명의 또 다른 실시예에 따른 철근 선조립 기둥을 나타낸 사시도이다. 도 11에 도시된 것처럼, 좌굴을 방지하기 위해 인접한 2개의 주근(100) 내측에서 X자 형상으로 주근(100)과 단부가 결합하는 보강 브레이싱 철근(700)을 구비할 수 있다. 이때, 보강 브레이싱 철근(700)은 용접용 철근이 사용된다. 즉, 시공 과정에 시공하중이 집중되는 경우 주근(100) 내부에 보강 브레이싱 철근(700)을 배치하여 기둥 주근(100)의 철근 항복이 생기는 상황을 방지할 수가 있다.11 is a perspective view of a rebar prefabricated pillar according to another embodiment of the present invention. As shown in FIG. 11, the reinforcing bracing rebar 700 may be provided to which the main bar 100 and the end are coupled in an X-shape inside two adjacent main bars 100 to prevent buckling. At this time, the reinforcing bracing reinforcement 700 is used for welding rebar. That is, when the construction load is concentrated in the construction process, by placing the reinforcing bracing reinforcement 700 inside the main bar 100, it is possible to prevent the situation that the reinforcement yield of the column main bar 100 occurs.
이렇게, 본 발명에 따르면, 기둥의 주근(100)을 메인 브라켓(400)과 결합 브라켓(500)과 용접하여 시공 자립도를 확보하고 보(B)를 선시공할 수 있는 시스템을 갖춰 현장인력 사용을 최소화하고 현장의 공정의 현격히 줄어들기 때문에 공사기간 단축 및 관리요소 감소 등의 효과를 기대할 수 있다.Thus, according to the present invention, by welding the main root 100 of the column with the main bracket 400 and the coupling bracket 500 to ensure the construction independence and to minimize the use of field personnel by equipping the beam (B) And since the process of the site is greatly reduced, it can be expected to shorten the construction period and reduce the management factors.
한편, 본 명세서와 도면에 개시된 본 발명의 실시예들은 본 발명의 기술 내용을 쉽게 설명하고 본 발명의 이해를 돕기 위해 특정 예를 제시한 것일 뿐이며, 본 발명의 범위를 한정하고자 하는 것은 아니다. 여기에 개시된 실시예들 이외에도 본 발명의 기술적 사상에 바탕을 둔 다른 변형예들이 실시 가능하다는 것은 본 발명이 속하는 기술 분야에서 통상의 지식을 가진 자에게 자명한 것이다.On the other hand, the embodiments of the present invention disclosed in the specification and drawings are merely presented specific examples to easily explain the technical contents of the present invention and help the understanding of the present invention, and are not intended to limit the scope of the present invention. It will be apparent to those skilled in the art that other modifications based on the technical idea of the present invention can be carried out in addition to the embodiments disclosed herein.
Claims (7)
- 기둥의 코너 위치에 서로 이격되어 수직으로 배치되는 4개의 주근;Four main roots vertically spaced apart from each other at corner positions of the column;상기 4개의 주근 사이에 수직으로 배치되는 복수의 보조근;A plurality of auxiliary muscles disposed vertically between the four main roots;상기 주근들의 외측을 감싸면서 상기 주근들의 외측에 다단으로 결합되는 복수의 띠철근;A plurality of strip reinforcing bars coupled to the outside of the main bars in multiple stages while surrounding the outside of the main bars;일면이 보의 상면 또는 하면에 안착되도록 보가 설치되는 높이에 ㄱ형강들이 사각형을 이루도록 배치되며, 각 코너가 상기 4개의 주근 내측에 용접 결합하는 메인 브라켓(main bracket);A main bracket having a corner at a height at which the beam is installed so that one surface thereof is seated on the upper surface or the lower surface of the beam, and each corner of which is welded to the inner side of the four main roots;상기 주근 상단 및 하단에 ㄱ형강들이 사각형을 이루도록 배치되며, 각 코너가 상기 4개의 주근 내측에 용접 결합하는 결합 브라켓; 및A coupling brackets disposed at the upper and lower ends of the main roots to form a square and each corner welds to the inner sides of the four main roots; And마주보는 상기 결합 브라켓들을 수직 방향으로 체결하는 제1 체결 볼트와 제1 체결 너트를 포함하는 것을 특징으로 하는 철근 선조립 기둥.Reinforcing rod assembly pillar comprising a first fastening bolt and a first fastening nut for fastening the coupling brackets facing in the vertical direction.
- 청구항 1에 있어서,The method according to claim 1,상기 주근, 상기 보조근 및 상기 띠철근은,The main root, the auxiliary root and the band reinforcement,각각 용접용 철근인 것을 특징으로 하는 철근 선조립 기둥.Reinforcing rod assembly columns, characterized in that each of the welding rebar.
- 청구항 1에 있어서,The method according to claim 1,상기 결합 브라켓은,The coupling bracket is,상기 결합 브라켓들을 외측에서 보강하는 복수의 보강 플레이트; 및A plurality of reinforcing plates for reinforcing the coupling brackets from the outside; And상기 보강 플레이트들과 상기 결합 브라켓들을 수평 방향으로 체결하는 제2체결 볼트와 제2 체결 너트를 더 구비하는 것을 특징으로 하는 철근 선조립 기둥.And a second fastening bolt and a second fastening nut fastening the reinforcing plates and the coupling brackets in a horizontal direction.
- 청구항 1에 있어서,The method according to claim 1,상기 보강 플레이트는,The reinforcement plate,상기 주근과 보조근 사이의 공간에 각각 배치되는 것을 특징으로 하는 철근 선조립 기둥.Reinforcement line assembly pillars, characterized in that disposed in the space between the main and secondary muscles, respectively.
- 청구항 1에 있어서,The method according to claim 1,기둥의 단면이 상측에서 감소할 경우,If the cross section of the column decreases from the top,상기 주근의 내측에서 서로 이격되어 수직으로 배치되는 4개의 보조 주근; 및Four auxiliary main roots vertically spaced apart from each other inside the main root; And상기 메인 브라켓의 내측에 ㄱ형강들이 사각형을 이루도록 배치되며, 각 코너가 상기 4개의 보조 주근 내측에 용접 결합하는 보조 브라켓(sub bracket)을 더 포함하는 것을 특징으로 하는 철근 선조립 기둥.The a-beams are arranged to form a quadrangle in the inner side of the main bracket, and each corner further comprises a sub bracket (sub bracket) for welding welding to the inner side of the four secondary main bar.
- 청구항 1에 있어서,The method according to claim 1,기초 위에 배치되는 철근 선조립 기둥일 경우,For rebar prefabricated columns placed on the foundation,하단에 배치되는 상기 결합 브라켓은,The coupling bracket disposed at the bottom,하면이 기초의 상면에 안착되도록 ㄱ형강들이 사각형을 이루도록 배치되며, 상기 제1 체결 볼트는 앵커 볼트인 것을 특징으로 하는 철근 선조립 기둥.Rebar prefabricated columns, characterized in that the a-beams are arranged to form a square so that the lower surface is seated on the upper surface of the foundation, the first fastening bolt is an anchor bolt.
- 청구항 1에 있어서,The method according to claim 1,좌굴을 방지하기 위해 인접한 2개의 상기 주근 내측에서 X자 형상으로 상기 주근과 단부가 결합하는 보강 브레이싱 철근을 더 구비하되, 상기 보강 브레이싱 철근은 용접용 철근인 것을 특징으로 하는 철근 선조립 기둥.Reinforcing reinforcing bar reinforcing reinforcing bar is characterized in that the reinforcing bracing reinforcing bar is further provided in the X-shape inside the two adjacent main bars to prevent buckling, the reinforcing bracing reinforcement is a welding reinforcing bar.
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