KR890005360A - Concrete Filled Tube Column and Construction Method - Google Patents

Abstract

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Description

Concrete Filled Tube Column and Construction Method

As this is a public information case, the full text was not included.

1 is an axial cross-sectional view of a conventional concrete filled tube column

18 is an enlarged axial cross-sectional view of another embodiment of the present invention.

19 is an enlarged axial cross-sectional view of the modified form of the pillar in FIG. 18. FIG.

Claims (38)

An outer tube composed of a plurality of tubes arranged coaxially in a row so that the load of the shaft is transmitted from the beam to the outer tube, and the tube having substantially the same inner dimension as the transverse; A concrete core disposed inside the outer tube, a tube member coaxially mounted inside each tube for transferring the load of the shaft to the Bunter concrete core as an outer tube, and a constant horizontal inner dimension and a lower portion. A lower end portion having a tube member having an end portion and a first inner circumferential surface inclined upwardly such that the horizontal internal dimension at the lower end of the tube member is equal to the horizontal internal dimension of each tube; Concrete filling tube columns that form part of the structural framework. 2. The apparatus of claim 1, further comprising: a first inner flange formed to enclose an inner surface of each tube and simultaneously projecting radially inwardly and having an upper side and a lower side; The first tube portion positioned below the first inner flange in such a way that it is enclosed on the inner surface of each tube and the first tube portion is in direct contact with the entire lower portion of the first inner flange. The concrete layer comprising a, and the lower end of the tube member is composed of the first tube portion of the concrete layer, each tube has an inner surface and the inner tube member is made of the concrete filling tube as described above Pillar. 3. The concrete filled tube column according to claim 2, wherein each tube has a cross section of upper and lower portions and is mounted on an upper end surface of each tube. 4. The separator according to claim 3, wherein a separation layer is disposed between the concrete core and the inner surface of each tube so as to separate the core from the inner surface of each tube so that each tube is not bound to the core and disposed in the outer tube. And axial pressure reducing means for reducing the pressure of the shaft generated in the outer tube when the load of the shaft is applied to the outer tube, at the same time including a ring-shaped portion extending completely around the outer tube. A concrete filling tube column further composed of a lower section of each tube connected to the beam of the tube and structure. 5. The tube according to claim 4, wherein each of the tubes is spaced from each other, so that a ring-shaped cavity having a width of the shaft is formed between the tubes, and the input reducing means constitutes a gap, and the pressure of the shaft inside the outer tube. The concrete filling tube column in which the width of the gap changes when the outer tube is axially loaded by this reduction. 4. The upper end of each tube consists of a connecting tube made of steel, the connecting tube having a lower end, connected to a structural beam, and the lower side of each tube being connected to the connecting tube. A concrete filling tube column constituting a tube coaxially connected to the lower end of the tube. 7. The second pipe subtube located on the first inner flange in a manner that is in direct contact with the entire upper side of the first inner flange, the transverse internal dimension at the upper end of the tubular member of the transverse A concrete filled tube column further comprising a concrete layer comprising a second tube portion having a second inner circumferential surface inclined downward so as to be equal to an internal dimension. The connecting pipe according to claim 6, wherein the connecting pipe has a plurality of bracket members, protrudes outwardly from the outer tube of the H-shaped steel via and the connecting pipe, and is connected to the structural beam via the bracket member. And each bracket member includes a thin portion connected to the upper flange portion, the lower flange portion and the flange portion, and the pipe member is connected at the same level as the upper flange portion of the bracket member protruding radially inwardly. Consists of a second inner flange formed in a circumferential shape on the inner surface of the tube, the first inner flange is formed on the inner surface of the connecting pipe at the same level as the lower flange portion of the bracket member, and also the concrete The layer includes a second tube portion extending between the first inner flange and the second inner flange. A concrete filled tube column formed of a second tube portion having a horizontal inner dimension not larger than the horizontal inner dimension of the first inner flange and the second inner flange. 9. The second inner flange of claim 8, wherein the second inner flange has an upper side and a lower side, and the concrete layer has a second inner flange in such a manner that the third pipe portion is in direct contact with the entire upper portion of the second inner flange. A third tube portion located above and having a second inner circumferential surface inclined downward such that the horizontal internal dimension at the upper end of the tube member is equal to the horizontal internal dimension of each tube; Concrete filling tube column consisting of three tubes. The concrete-filled tube column according to any one of claims 6, 7, 8, or 9, wherein the tube body is formed of reinforced concrete of carbon fiber. 10. The concrete core according to any one of claims 6, 7, 8 or 9, in order to separate the core from the inner surface of each tube so that each tube is not bound in the core. The outer tube, including a separating layer adjacent between the inner surfaces of the inner wall and a portion extending completely circumferentially around the outer tube to reduce the pressure on the shaft generated when the load on the side is transmitted to the outer tube. There is an axial pressure reducing means that is disposed, and the tube body is a concrete filling tube column further formed of steel. 3. The tube according to claim 2, wherein each tube consists of a plurality of tube portions coaxially connected in a row and respective tube portions connected to the structure beam, wherein the first inner flange has an inner surface of the lowermost tube. The tubular member is formed on the upper side, and the tubular member constitutes a second inner flange which projects radially inwardly and is formed in a circumferential shape on the inner surface of each tubular portion except the bottommost tubular portion, and the concrete layer A second tube portion extending between the first inner flange and the second inner flange of the uppermost tube portion, the second tube portion extending between the first inner flange and the second inner flange; And a concrete filling tube pillar having a first inner flange and a second tube portion. 13. The uppermost tube portion of claim 12, wherein the second inner flange has a top and a bottom side, and the concrete layer has a top tube portion in such a manner that the third tube portion is in direct contact with the entire upper side of the second inner flange. A second inner part inclined downward so that a horizontal inner dimension at an upper end of the tube member is equal to a horizontal inner dimension of each tube, the third inner tube being positioned on a second inner flange of the inner tube; A concrete filled tube column further comprising a third tube portion having a circumferential surface. 14. The uppermost tube portion has an upper end portion and the lowermost tube portion has a lower end portion, and the tubular members respectively have an upper end portion of an uppermost tube portion and a lowermost tube portion. Concrete filling tube columns located inside each tube section except for the lower and lower ends. 15. The concrete according to any one of claims 12, 13 or 14, for separating the inner surface of each tube from the concrete layer and the concrete core such that each tube is not bound to the concrete layer or the concrete core. A separation layer adjacent between the steel layer and the inner surface of each tube, and also between the concrete core and the inner surface of each tube, and reduces the pressure of the shaft generated in the outer tube when the load of the shaft is transferred to the outer tube. A axial pressure reducing means, which is disposed in the outer tube and includes a circle part which extends completely around the outer tube in a circumference, and a concrete filling tube column further formed with each of the pipe portions. 2. The tube according to claim 1, wherein each tube is formed of steel, has a lower end, a tube body coaxially connected to the lower end of the connector, a steel tube, Concrete-filled tube column with a generally formed tube member. 17. The tubular member of claim 16, wherein the tubular member has an upper end portion and includes a second circumferential inner surface that is inclined downward so that the horizontal inner dimension at the upper end of the tubular member is equal to the horizontal inner dimension of each tube. Concrete filling tube column forming upper end. The concrete-filled tube column according to claim 16 or 17, wherein the tube body is formed of carbon fiber reinforced concrete. 18. The load of the separating layer and the shaft adjacent between the concrete core and the inner surface of the tubular body for the purpose of separating the core from the inner surface of the tubular body so that the tubular body is not bound to the core. A shaft made of steel and a axial pressure reducing means disposed in the outer tube to reduce the pressure of the shaft generated in the outer tube when it is delivered to the tube, and including a circle extending completely around the outer tube. Concrete filling tube column with more body. A tube having an inner surface, a first end, and a second end, and formed on an inner surface of the tube, protruding radially inward, and having one side and the other side closer to the first end of the tube than the other side; It has a first inner flange and a concrete layer disposed circumferentially on the inner surface of the tube and includes a first tube portion coaxially with the tube, opposite ends and a first inner circumferential surface. Of the first tube portion, one of the opposite ends of the first tube portion in direct contact with one of the entirety of the first inner flange, and of the inner dimension of the cross at the other end of the first tube portion of the tube. A precast structural pipe, comprising a first inner circumferential surface of a first pipe portion inclined with respect to a second end of the pipe so as to be equal to an internal dimension of the transverse, and used for a pillar portion of a structural frame. A precast structural tube according to claim 20, wherein the first inner flange and the concrete layer are located at the second end face of the tube. 22. A tube according to claim 21, wherein the second end face of the tube is connected coaxially to the steel tube with each bracket member projecting radially outwardly from the outer surface of the tube. Precast structural tubes forming the remainder of the tubes making up the steel sheet body. 23. The second tube of claim 22, wherein the concrete layer includes a second tube portion at the same center as the tube having an opposite end and a second inner circumferential surface, and is inclined toward the first end of the tube. One of the opposite ends of the part is in direct contact with the whole of the other of the first inner flange and there is an inner circumferential surface of the second pipe part, thereby the transverse interior at the other end of the second pipe part. A precast structural tube further formed such that the dimensions are equal to the internal dimensions of the tube transverse. 23. The second inner flange of claim 22, wherein the second inner flange is formed on the inner surface of the connecting tube and is located closer to the second end of the tube than the second inner flange and the first inner flange. And a second inner flange having one side and the other and a second inner flange facing the other side of the first inner flange, each bracket member being an H-shaped steel bar. The concrete layer constituting a thin portion connecting the first flange portion located at the same level as the first inner flange and the second flange portion located at the same level as the second inner flange. And a second tube portion extending coaxially with the first inner flange and the second inner flange, the second tube portion of which comprises a first inner flange and a second tube portion. It is configured to have a greater size than the internal dimensions of which have inside dimensions of the horizontal flange of the inner horizontal tube a pre-cast structures. 25. The concrete assembly of claim 24, wherein the concrete layer comprises a third tube portion co-centered with the tube, a third tube portion having an opposite end and a second inner circumferential surface, and the other of the second inner flange. One of the opposite ends of the third pipe part in direct contact with the whole, and of the third pipe part of which a horizontal internal dimension at the other end of the third pipe part is inclined toward the first end of the pipe. A precast structural tube further comprising a second inner circumferential face. The tube body according to any one of claims 21, 22, 23, 24, or 25, which is used for the inner surface of the tube body, and the tube body is not bound to concrete. A precast structural tube further comprising a separating layer that separates the inner surface of the tube body from the filled concrete. 27. The apparatus of claim 26, further comprising a circle extending completely circumferentially around the tube to reduce the axial pressure occurring in the tube when the load of the shaft is transmitted to the tube and is also disposed in the tube. Precast structural pipe further comprising pressure reducing means. 21. The tube according to claim 20, wherein the tube is a plurality of tube portions coaxially connected in a row, each tube portion having a bracket member protruding radially outwardly from an outer surface of the tube. Except for the portion at the first end of the tube, wherein the inner flange is formed on the inner surface of the tube portion at the first end of the tube, each tube portion has a second inner circumference formed at its inner surface. The flange projects radially inwards, and the concrete layer is co-centered with the tube and extends between the first inner flange and the second inner flange of the tube portion at the second end of the tube. A precast structural tube further comprising a second tube portion having a transverse internal dimension not greater than the transverse internal dimensions of the inner flange and the second inner flange. 29. The tube of claim 28 wherein the second inner flange has one and the other, one side closer to the first end of the tube than the other and the concrete layer comprises a third tube portion co-centered with the tube, This third tube part has an opposite end and a second inner circumferential surface, and at the second end of the tube, one of the opposite ends of the third tube part is in direct contact with the entire other side of the second inner flange. The second inner circumferential surface of the third tube portion inclined with respect to the first end of the tube such that the horizontal inner dimension at the other end of the third tube portion is equal to the inner dimension of the tube. Further included precast structural tubes. 30. The tube portion at the first end of the tube and the tube at the second end of the tube each have a free end portion, and the concrete layer at the tube end at the first and second ends of the tube. A preformed structural tube disposed inside a portion of the tube except for the free end. 31. The interior of a tube according to any one of claims 28, 29 or 30, which is used for a portion of the inner surface of the tube in which the inner flange is not formed and at the same time so that the concrete layer is not bound to the tube. A separating layer separating the faces; A precast structural tube further comprising: a circular section that is disposed in the tube and extends completely around the tube in order to reduce the load on the shaft occurring in the tube when the load of the shaft is transmitted to the tube. 31. The pipe joint according to any one of claims 28, 29 or 30, which is coaxially connected to the connecting tube made of steel and made of carbon fiber reinforced concrete, and the connecting tube of each pipe section. Precast structural pipe constituting the bracket member and the inner flange welded to the wall. Construction method of the concrete filled tube column, which is part of the structural framework and consists of the following steps. (a). A tube having an inner surface and first and second ends, and having one side and the other closer to the first end of the tube than the other formed on the inner surface of the tube and protruding radially inwardly; It has an inner flange of 1, and is arranged in a circumferential shape on the inner surface of the tube, and has a concrete layer including the first tube portion which is the same center as the tube, and has an opposite end and a first inner circumferential surface. Of the first tube portion, one of the opposite ends of the first tube portion in direct contact with one of the first inner flanges, and a horizontal internal dimension at the other end of the first tube portion of the tube. (B) providing a plurality of pre-cast structural tubes comprising a first inner circumferential circle of the first tube portion inclined toward the second end of the tube so as to be equal to the internal dimension of the transverse, (b). Erect one of the ready-made structural pipes provided with the second end of the pipe located at the first end unit, and (c). (D) disposing concrete in a precast cast pipe, which is installed so as to form a concrete core within the pipe, and (d). (E) connect the structural beams to the precast cast pipes which have been installed. The structural tube is erected on the lower connecting structural tube by coaxially connecting the other precast structural tube to the upper end of the precast structural tube installed upright, and (f). After the exaggeration (c) to the exaggeration (e), the procedure is repeated from the well (c) to the process (f). 34. The process of claim 33, wherein said step (a) comprises (g) a tube and (h). Forming a first inner flange on the inner surface of the tube; (i). A bracket member is formed in the tube so as to protrude radially outward from the outer tube of the tube; (j). After the above steps (h) and (i), a concrete layer is formed on the inner surface of the tube, and (k). In addition, the step (d) is a method of constructing a concrete filling tube pillar made of a process of connecting the structural beam to the bracket member. 35. The method of claim 34 wherein said well (g) is (l). Provide steel connectors; (m). Preparing the tubular body; (n). Also connects the connectors coaxially to the tube body to form a tube, (o). In addition, the process (h) is welded to the inner surface of the connecting pipe of the first inner flange; (p). In addition, the process (i) is a method of constructing a concrete filled tube pillar made of a process of welding the bracket member to the outer surface of the connecting pipe. 36. The process of claim 35, wherein step (j) is (q). A second tube portion of the concrete layer is formed, the second tube portion is co-centered with the tube, and the second tube portion has an opposite end and a second inner circumferential surface, One of the opposite ends of the pipe part is in direct contact with the entire other of the first inner flange and the horizontal inner dimension at the other end of the second tube part is equal to the horizontal inner dimension of the pipe. A method of constructing a concrete packed tube column, the method comprising forming a second inner circumferential surface of a second tube portion inclined toward the first end of the tube. 35. The process of claim 34, wherein step (g) is (r). To prepare a plurality of steel tube parts; (s). Coaxially connect the pipe parts in a line to form a pipe (t). In addition, the step (h) is to weld the first inner flange to the inner surface of the tube portion at the first end of the tube, (u). The process (a) is carried out before the process (j), except that the inner surface of each tube portion except for the tube portion at the first end of the tube such that the second inner flange protrudes radially inward from the inner surface of each tube portion. And weld the second inner flange to (v). The process (i) is to weld the inside of the bracket to the outer surface of the pipe portion, (w). The process (j) is a process in which after the process (s) forms a second pipe part of the concrete layer, the second pipe part is co-centered with the pipe and welded to the pipe part at the second end of the pipe. A method of constructing a concrete packed tube column, which extends between an inner flange of the first and a second inner flange, wherein the second tube portion has a horizontal inner dimension that is not greater than the horizontal inner dimension of the tube. 36. The process of claim 34 or 35, wherein step (j) is (x). Rotate the tube around the axis; (y). A method of constructing a concrete packed tube column, wherein the concrete is filled in the tube, whereby the concrete is formed by a centrifugal force caused by the rotation of the tube, and consequently forming a concrete layer spreading on the inner surface of the tube. ※ Note: The disclosure is based on the initial application.