WO2022191442A1 - 맞대기 이음장치가 일체화된 정척 규격화 철근 및 이를 이용한 철근구조물의 시공방법 - Google Patents
맞대기 이음장치가 일체화된 정척 규격화 철근 및 이를 이용한 철근구조물의 시공방법 Download PDFInfo
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- WO2022191442A1 WO2022191442A1 PCT/KR2022/001843 KR2022001843W WO2022191442A1 WO 2022191442 A1 WO2022191442 A1 WO 2022191442A1 KR 2022001843 W KR2022001843 W KR 2022001843W WO 2022191442 A1 WO2022191442 A1 WO 2022191442A1
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- standardized
- reinforcing bar
- reinforcing bars
- length
- joint
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Classifications
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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
- E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
- E04C5/162—Connectors or means for connecting parts for reinforcements
- E04C5/163—Connectors or means for connecting parts for reinforcements the reinforcements running in one single direction
- E04C5/165—Coaxial connection by means of sleeves
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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
- E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
- E04C5/162—Connectors or means for connecting parts for reinforcements
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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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B7/00—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections
- F16B7/18—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections using screw-thread elements
Definitions
- the present invention relates to a regular standardized reinforcing bar with an integrated butt joint device and a method of constructing a reinforcing bar structure using the same, and more particularly, to a regular standardized reinforcing bar that is mass-produced and ready-made to a standardized standard in a state in which the joint device is integrated in an integrated state, and the upright standardized reinforcing bar It relates to a construction method that can manufacture a reinforcing bar structure that is continuously connected by a butt joint by repeatedly using standardized reinforcing bars.
- Reinforcing bars are usually distributed in standard lengths of 12m, 15m, etc., according to the standard bundle weight in ton, and are cut short according to the specifications of columns and beams according to the individual building design.
- construction costs such as labor costs may increase in the process.
- reinforcing bars sold in lengths that are easy to transport are purchased at the site, cut to the required length, and laminated.
- the longer the reinforcing bars in the overlapping section the more unnecessary the material cost increases, and the load may be unnecessarily increased as much as the reinforcing bars in the overlapping section.
- the spacing of the reinforcement is narrowed, which may be an obstacle during the filling of concrete, and thus the filling properties of concrete may be deteriorated.
- reinforcing bar couplers for on-site fastening are also used, but there are often problems such as initial slip at the joint, and the manufacturing process and a large number of required parts are required, so the production cost of the coupler increases, etc. it is thought to be
- FIG. 35 it is a reinforcing bar joint connecting the ends of large-diameter reinforcing bars and small-diameter reinforcing bars having different diameters to each other in Japanese Patent Application Laid-Open No. 2011-102488, and the large-diameter reinforcing bars and the reinforcing bars of the diameter that are connected to each other A pair of screws formed in an enlarged shape at the ends and having different diameters, a threaded part of such a large-diameter reinforcing bar and a threaded part of a small-diameter reinforcing bar, and a large-diameter side thread and a small-diameter side thread with the same diameter and lead, respectively.
- the prior art prepares and selects and uses threaded reinforcing bar joints 4 of different lengths for length adjustment. configuration to obtain
- each standard length requires at least one more joint device and one more joint work, which unnecessarily increases the material cost and the number of joint work is inevitably increased.
- the length adjustment threaded reinforcing bar joint 4 simply connects separate members to match the length, making it difficult to directly connect between standardized rebars, and it is difficult to standardize the members themselves because they have to be used with different lengths for each reinforcing bar structure. .
- joint position adjustment reinforcing bars may also be standardized reinforcing bars.
- the purpose of this is to facilitate the work for connecting rebars by supplying reinforcing bars to the site immediately as needed.
- the present invention for solving the above problems,
- a method of constructing a reinforcing bar structure using standardized reinforcing bars integrated with butt joints comprising the steps of: a) determining a reference length of reinforcing bars to be butt jointed; b) selecting a regular standardized reinforcing bar to be used as a reference reinforcing bar by determining the length of the upright standardized reinforcing bar equal to the reference length, or shorter or longer than the standard length, and the material and diameter of the upright standardized reinforcing bar; and c) a construction step of repeatedly using one or more regular standardized reinforcing bars used as the selected reference reinforcing bars, wherein step c) includes (i) installing reinforcing bars in the first section; (ii) repeating butt jointing of standardized reinforcing bars used as the reference reinforcing bars to the first section reinforcing bars; and (iii) repeating steps (i) to (ii) and reaching the finishing section, each 150 mm from both ends of the beam or sections
- the reference length of step a) includes a joint operation reservation section of the butt joint point, and in step (iii), when the n-th butt joint point deviates from the range of the joint work reservation section, any before the n-th It is characterized in that the nth joint point is returned within the range of the joint work reservation section by butt-joining the joint position adjustment reinforcing bar at the joint point.
- the joint position adjustment reinforcing bar is characterized in that it is a regular standardized reinforcing bar that is different in length from the regular standardized reinforcing bar used as the reference reinforcing bar.
- the upright standardized reinforcing bars are two reinforcing bars having a difference in length, one reinforcing bar being a shortened standardized reinforcing bar shorter than the reference length, and the other reinforcing bar being an extended standardized reinforcing bar that is longer than the reference length, and shortening during the construction phase.
- the reference length is 1 storey, 2 storeys, 3 storeys, or 4 storeys long, or it is characterized in that it is one time, twice the length, three times the length or four times the length of the beam connecting between the columns.
- Step c) is characterized in that the lengths of standardized reinforcing bars used repeatedly are the same.
- a cylindrical female threaded portion is formed at an end of one reinforcing bar, and a cylindrical male threaded portion is formed at an end of the other reinforcing bar. It is characterized in that the cylindrical male screw portion is formed at the end of each, and a separate coupler is formed by screwing the cylindrical male screw portion at both ends.
- the cylindrical-conical integrated screw coupling structure includes a cylindrical female screw portion formed with a cylindrical screw thread on the inner diameter and a conical female screw portion having an inner diameter narrowing at one end of the cylindrical female screw portion integrally formed with a cylindrical-conical integrated female screw portion, and an outer diameter
- a cylindrical male screw portion formed with a cylindrical screw thread and a cylindrical male screw portion having a narrow outer diameter at one end of the cylindrical male screw portion are integrally formed with a cylindrical-conical integrated male screw portion, wherein the inner diameter of the cylindrical female screw portion is conical is formed to be greater than the maximum inner diameter of the female screw portion, the outer diameter of the cylindrical male screw portion is formed to be larger than the maximum outer diameter of the conical male screw portion, between the cylindrical female screw portion and the conical female screw portion and the cylindrical male screw portion Thread discontinuities are respectively formed between the conical male screw portions, and an inner diameter of the cylindrical female screw portion is formed to be greater than a maximum outer diameter of the conical male screw portion.
- a screw protection cap is coupled to the male or female screw portion, and the screw protection cap is characterized in that an information providing unit for providing unique information related to the standardized reinforcing bar is formed.
- the second bonding end member is formed at both ends
- it is any one selected from the selection group when a first junction end member is formed on one end and a second junction end member is formed on the other end, and the first junction end member is joined to the end of the standardized reinforcing bar and
- the male screw part for coupling the fastening socket is a member formed in the longitudinal direction on the outer surface, and the second joining end member has one end having a shape corresponding to the end shape of the first joining end member, and the other end is the end of the standardized reinforcing bar.
- the member is provided with one or a plurality of steps which are joined to and spaced apart from the one end and form one end in the axial direction at an angle selected from acute angle, right angle, and obtuse angle with respect to the longitudinal direction.
- a fastening socket is tentatively coupled to the side of the second joining end member, and the fastening socket is opened in the longitudinal direction so as to surround the outer surface of the second joining end member and the outer surface of the first joining end member to be accommodated in the longitudinal direction.
- a female threaded portion for coupling a fastening socket that is screwed to a male threaded portion for coupling a fastening socket of the first joining end member is formed on the inner surface in the longitudinal direction, and is caught on the step of the second joining end member and has an acute angle with respect to the longitudinal direction, It is characterized in that it is a hollow-shaped member provided with one or a plurality of locking jaws forming an angle selected from a right angle and an obtuse angle.
- One sleeve or another sleeve is coupled to the male threaded portion, and when one sleeve is coupled to the male threaded portion at one end, when the other sleeve is coupled to the male screwed portion at one end, one sleeve is coupled to the male screwed portion at both ends When is coupled, when the other sleeve is coupled to the male threaded portion at both ends, one sleeve is coupled to the male screw portion at one end, and the other sleeve is coupled to the male screw portion at the other end.
- One sleeve is a member having a female threaded portion formed on an inner surface and a male threaded portion formed on an outer surface of the sleeve
- the other sleeve is a first sleeve having a female threaded portion formed on an inner surface of the sleeve and having one end perpendicular to the central axis in the axial direction. It is characterized in that the member is formed with a locking jaw.
- a coupling socket is tentatively coupled to the side of the other sleeve, and the coupling socket has a female screw portion screw-fastened to the male screw portion of the one sleeve on an inner surface, and engages while abutting against the first locking jaw of the other sleeve. It is characterized in that the member is formed with a locking protrusion protruding in the direction of the center of the circle on the inner surface of one end so as to perform the operation.
- a plurality of standardized reinforcing bars in which the butt joint device is integrated are pre-assembled to form a pre-assembled reinforcing bar network by standardized reinforcing bars.
- the standardized length dimension from one end to the other end is determined and given to the rebar to be cut, and the rebar is cut to a regular length according to the given length dimension, It is characterized in that the butt joint device is integrated by determining the type of the butt joint device for butt joint of
- the standardized reinforcing bars are characterized in that a plurality of different lengths are formed so as to be applicable to one to four storeys or one to four times the length of the beam connecting between the columns.
- a plurality of standardized reinforcing bars in which the butt joint device is integrated are pre-assembled to form a pre-assembled reinforcing bar network by standardized reinforcing bars.
- the construction method of a reinforcing bar structure using standardized reinforcing bars integrated with butt joints has the effect of continuously connecting reinforcing bars with butt joints instead of overlapping joints in sections where rebars need to be continuously joined.
- the butt joint device is integrated and mass-produced in a standard size in advance, and the rebar is ready-made so that it can be immediately supplied to the site as needed, which facilitates material supply and shortens the construction period.
- a reinforcing bar structure can be formed using only two types of reinforcing bars: a pre-assembled rebar network using standardized reinforcing bars used as reference reinforcing bars and a pre-assembled rebar network using joint position adjustment rebars.
- FIG. 1 is a flowchart showing an embodiment of the present invention.
- FIG. 2 is a view showing the change of the joint position in the joint work reservation section that appears in the upper floor and the embodiment related to the height of the joint point of the first section reinforcing bar.
- 3 to 5 are diagrams showing an embodiment of a butt joint device of standardized reinforcing bars using a cylindrical screw coupling structure.
- FIGS. 6 and 7 are diagrams showing an embodiment of a butt joint device for standardized reinforcing bars using a conical screw coupling structure.
- FIGS. 8 and 9 are views showing an embodiment of a butt joint device of standardized reinforcing bars to which a reinforcing bar connector by a threaded sleeve is applied.
- FIGS. 10 and 11 are views showing an embodiment of a butt joint device for standardized reinforcing bars to which a socket fastening type reinforcing bar connector is applied by a joint end member.
- FIGS. 12 to 15 are views showing an embodiment of a butt joint device for standardized reinforcing bars using a cylindrical-conical integrated screw coupling structure.
- 16 is a view showing a state in which the reinforcing bar coupler is tentatively coupled to the standardized reinforcing bar.
- 17 to 21 are views showing an embodiment in which joint position adjustment reinforcing bars are applied when constructing a reinforcing bar structure using standardized reinforcing bars.
- FIG. 22 is a view showing an embodiment of the screw protection cap and the information providing unit of the standardized reinforcing bar.
- 23 to 25 and 31 are views showing an embodiment in which the reference length is 1 to 4 storeys and an embodiment of the column reinforcement using the standardized reinforcement according to the embodiment.
- 26 and 32 are diagrams showing an embodiment in which the reference length is 1 to 4 times the length of the beam, and an embodiment of the prosthetic reinforcing bar according to the standardized reinforcing bar.
- 27 to 30 and 33 are views showing an embodiment of an embodiment of various reference lengths and an embodiment of a wire assembly reinforcing bar using standardized reinforcing bars.
- Fig. 35 is a diagram showing the prior art.
- the standardized reinforcing bar refers to determining the material and diameter of the reinforcing bar, determining the standardized length dimension from one end to the other end, and giving it to the reinforcing bar to be cut.
- the butt joint is formed at one or both ends of the reinforcing bar cut squarely according to the standardized length, so that the joint device is integrated
- it refers to a member that is ready-made and mass-produced and can be supplied and used immediately when there is a demand for each standardized rebar at any time.
- the meaning of integrating the butt joint device into the regular standardized reinforcing bars is an embodiment, and all cases of directly processing and forming the male threaded portion on the regular standardized reinforcing bars or welding male or female screw members to the ends of the regular standardized reinforcing bars are all examples. referenced to include.
- the section where reinforcing bars, which are length members, must be continuously joined can be connected by overlapping joints or butt joints.
- the lap joint since the lap joint exhibits the tensile force only when the concrete is maintained in a hardened state, when the concrete adhesion crack fracture is formed, it may cause a sudden loss of strength.
- the spacing of the reinforcement is narrowed, which may be an obstacle during the filling of concrete, and thus the filling properties of concrete may be deteriorated.
- the butt joint device will be described step-by-step construction method of a reinforcing bar structure by standardized reinforcing bars integrated.
- the horizontal reinforcing bar section or vertical reinforcing bar section in which the butt joint continues in the reinforcement diagram can be selected arbitrarily, and it can be applied to various sections connected by butt joints, such as column reinforcing bars and prosthetic reinforcing bars.
- the present invention can be practiced by setting a reference length in various reinforced concrete frames such as reinforced concrete civil structures.
- the reference length may be set differently for each section, and in this case, a difference in length occurs for each reference length.
- the same reference lengths are continuously arranged.
- the length of the standardized reinforcing bars is determined to correspond to the standard length, the length from one end of one standardized rebar to the other end is similar to the standard length.
- the reference length is formed so that each reference length is continuous, and since it is joined once within each reference length, one joint point is generated for each reference length.
- the method of setting the reference length is not limited, and for example, it may be set with reference to the height of each floor of the reinforcing bar structure or set with reference to the length of a beam connecting between columns.
- the reference length may be determined by the length of the floor height of one or more floors when standardized reinforcing bars are used as column reinforcing bars. In this case, it becomes a configuration in which a joint point is generated once for each layer or a plurality of layers.
- the standardized reinforcing bars 232 are also set to correspond to the reference length 237 .
- one place that is, one joint point 238c is generated according to the use of one standardized standardized reinforcing bar 232 per n Floor, which is the reference length.
- the reference lengths 265, 266, 267 of the standardized reinforcing bars are set based on the beam length, it is a multiple of the length of the beam connecting between the columns, that is, 1 time (n Girder), 2 times (n Girder ⁇ n+1 Girder) or triple (n Girder ⁇ n+2 Girder) may be formed.
- the reference length of the standardized reinforcing bars may be four times (n Girder to n+3 Girder) or more than the length of the beam connecting between the columns.
- the standardized reinforcing bars are set to 1 times (267), 2 times (266), 3 times (265) or 4 times (320) of the beam length to correspond to each reference length (265, 266, 267, 325), and each standard According to the use of one standardized reinforcing bar per length, one point per reference length (265, 266, 267, 325), that is, one joint point (268a, 268b, 268c, 328) occurs.
- a plurality of standardized reinforcing bars may form a pre-assembled reinforcing bar network 270 , 271 , 272 , 330 surrounded by strips or stirrups.
- the pre-assembled reinforcing bar network by standardized reinforcing bars is 1 times (272), 2 times (271), 3 times (270) the length of one storey so that it corresponds to each standard length (275, 276, 277, 335). Alternatively, it is set to 4 times (335), and according to the use of one standardized pre-assembled reinforcing bar network (270, 271, 272, 330) once per standard length, each ⁇ 1 place, that is, one joint point (278a, 278b, 278c, 338) occurs.
- a reinforcing bar structure When constructing on-site, a reinforcing bar structure is manufactured using one standardized reinforcing bar (230, 231, 232, 265, 266, 267, 320) made of individual reinforcing bars, or by pre-assembling individual rebars, pre-assembly by standardized reinforcing bars
- a reinforcing bar structure may be formed by manufacturing the reinforcing bar networks 270 , 271 , 272 , and 330 .
- one by one individual reinforcing bars are connected to the standardized reinforcing bars (230, 231, 232, 265, 266, 267, 320), or a pre-assembled reinforcing bar network using standardized reinforcing bars in which a plurality of standardized reinforcing bars are assembled as a pre-assembled rebar network.
- a reinforcing bar structure is formed.
- the length of the loading box of a 25-ton long-axis to ultra-long-axis truck is 10,100mm
- the floor height of a residential/commercial complex or apartment is about 2,300mm to 2,400mm in most cases.
- Logistics of pre-assembled rebar networks are possible with standardized rebars.
- a standard length of more than 5 storeys is possible, but since the length of rebar is more than 5 storeys, logistics work is difficult, so the standard length is set up to 4 storeys. If necessary, an embodiment of a pre-assembled reinforcing bar network using a regular standardized reinforcing bar having a length of five or more layers or a regular standardized reinforcing bar may be considered.
- the above embodiment does not deviate from the above embodiment even when different diameter joints are required, such as a joint between two diameter rebars or a different diameter reinforcing bar network of a regularized reinforcing bar.
- the length of the standardized reinforcing bar used as the standard reinforcing bar is selected.
- the joint work reservation section (T) it is not necessary to technically define the joint work reservation section (T) and use it in a location that is easy to reach for workers when working, for example, in the case of column rebar splicing, a section excluding each 150mm from both ends of a column or a beam rebar joint In the case of work, set to the most convenient position among the sections excluding each 150mm from both ends of the beam and use it.
- the range of the joint operation reservation section T of the butt joint point is set within the reference length.
- the joint work reservation section (T) is a section in which a joint can occur within the reference length, and after setting such a joint work reservation section (T), the joint is managed so as not to deviate from the joint work reservation section (T).
- a plurality of standardized reinforcing bars in which the butt joint device is integrated are pre-assembled to form a pre-assembled reinforcing bar network by standardized reinforcing bars, and a plurality of joint position adjustment rebars are also pre-assembled and pre-assembled reinforcing bars by joint position adjustment reinforcing bars can achieve
- the construction method of the pre-assembled reinforcing bar networks 270 , 271 , 272 by using the regular standardized reinforcing bars refers to the same method as in the embodiment of connecting the regular standardized rebars one by one.
- the construction method of a reinforcing bar structure using a pre-assembled reinforcing bar network by standardized reinforcing bars in which the butt joint device is integrated includes a) determining the standard length of a pre-assembled rebar network using standardized reinforcing bars to be butt jointed, b) above The length of the pre-assembled reinforcing bar by standardized reinforcing bars equal to or shorter than or longer than the reference length and the material and diameter of pre-assembled reinforcing reinforcing bars using upright standardized reinforcing bars used as standard reinforcing bars
- a step of selecting a pre-assembled reinforcing bar network c) a construction step of repeatedly using one or more pre-assembled reinforcing bar networks using standardized reinforcing bars used as the selected reference reinforcing bars, wherein step c) includes (i) the first section reinforcing bars Installing a network, (ii) repeating butt-joining a pre-assembled reinfor
- the reference length of step a) includes the joint work reservation section of the butt joint point
- the nth butt joint point in step (iii) is the joint work reservation
- the nth joint point is returned within the range of the joint work reservation section by butt-joining the pre-assembled reinforcing bar network by the joint position adjustment reinforcing bar at any joint point before the n-th.
- the joint points (278a, 278b, 278c, 338) of the pre-assembled reinforcing bar network by the standardized reinforcing bars are also set for each standard length (275, 276, 277, 335).
- the joint points 278a, 278b, 278c, 338 of the pre-assembled reinforcing bar networks 270, 271, 272, 330 by standardized reinforcing bars can be managed.
- the pre-assembled reinforcing bar is intermittently used by the joint position-adjusted rebar, except for the section where the pre-assembled reinforcing bar is used by the splicing position-adjusted reinforcing bar, in other sections, only the pre-assembled reinforcing bar using continuous orthogonal standardized reinforcing bars is used. There is an effect that the joint work is done.
- a reinforcing bar structure can be formed with only two types of reinforcing bars: a pre-assembled reinforcing bar network using standardized reinforcing bars used as reference reinforcing bars and a pre-assembled rebar network using joint position adjustment rebars. .
- the joint position adjustment reinforcing bars are also standardized rebars
- the result is that the reinforcing bar structure is composed only of pre-assembled reinforcing bars using upright standardized reinforcing bars or regular standardized reinforcing bars.
- any combination selected from the selection group of standardized reinforcing bars by individual reinforcing bars, joint position adjustment reinforcing bars by individual reinforcing bars, pre-assembled reinforcing bars by regular standardized reinforcing bars, and pre-assembled reinforcing reinforcing bars by joint positioning reinforcing bars e.g.
- an embodiment is also possible, such as using a wire-assembled reinforcing bar network by standardized reinforcing bars, but using joint position-adjusted reinforcing bars by individual reinforcing bars when adjusting the joint position.
- this joint work reservation section (T) is basically to promote the convenience of the worker’s work and to shorten the construction period by making it possible to use standardized reinforcing bars corresponding to the standard length.
- the joint work reservation section (T) can be set arbitrarily.
- the joint point of the column reinforcing bar 30 can be connected within two-quarters to three-quarters, avoiding the joint within the range of 1/4 of the length of the column.
- connections can be made within 3/4 of 500mm by avoiding joints within the lower 500mm range of the column length, avoiding joints within the upper quarter of the column length.
- the upper muscle in the abdominal muscle beam, the upper muscle can be spliced in the middle two quarters of the length of the beam, and the lower muscle can be spliced in the length of one quarter of both ends.
- the range of the joint work reservation section can be set so that the joint point is located in the section where this stress concentration is relieved.
- the joint work reservation section (T) even if the joint point is changed to an arbitrary point such as higher or lower, the joint work reservation section (T) itself is a state in which the stress concentration section is avoided, so it can be a desirable joint point.
- the butt joint point during construction is selectively used in combination with the standardized reinforcing bar or the joint position adjustment reinforcing bar so as not to deviate from the joint work reservation section (T). This construction method will be described in detail below.
- the reinforcement can be naturally completed by continuously repeating butt-joining the standardized reinforcing bars.
- the length and reference length of the regular standardized reinforcing bars are almost similar, and there is only a slight difference in length corresponding to the standardized interval of the regular standardized dimension.
- reinforcing bars of 2530mm, 2,580mm, 2,630mm, 2,680mm, and 2,730mm are ready-made by pre-establishing reinforcing bars at intervals of 50mm, respectively.
- the standard length should be 2,600mm, 2,580mm or 2,630mm, which is the most similar to 2,600mm, is selected and used. Therefore, the difference between the standard length and the standardized rebar is only 20mm or 30mm.
- the lengths of standardized reinforcing bars that are repeatedly used may be the same.
- a single-length standardized reinforcing bar can be used repeatedly in a reinforcing bar structure.
- the lengths of the regular standardized reinforcing bars that are repeatedly used may be the same. Accordingly, it is thought that material management can be facilitated. That is, in the above example, 2,580 mm may be selected and used repeatedly, or 2,630 mm may be selected and used repeatedly.
- the regular standardized reinforcing bar used as the reference reinforcing bar and the reinforcing bar having a different length from the regular standardized rebar used as the reference reinforcing bar can be selectively and continuously butt jointed.
- the reinforcing bars shorter or longer than the regular standardized reinforcing bars are not necessarily regularized reinforcing bars.
- the joint point changes as much as the shortened length occurs. Conversely, when reinforcing bars that are longer than standardized rebars are connected, the joint point changes as much as the length of the reinforcing bars.
- the joint point can be managed flexibly when splicing by selectively combining the regular standardized reinforcing bar and the shorter or longer than the regular standardized rebar than when only the regular standardized reinforcing bars are connected as a whole.
- Reinforcing bars shorter or longer than the standardized reinforcing bars are not necessarily used once or the number of uses per butt joint is not fixed, and the most preferred embodiment from the group of combinations concerned to derive the optimal joint point through any combination during construction Can be used.
- reinforcing bars of 2530mm, 2,580mm, 2,630mm, 2,680mm, and 2,730mm are ready-made by pre-establishing reinforcing bars at 50mm intervals.
- the length of the standardized reinforcing bar can be selected to be shorter than the standard length by about 20mm.
- reinforcing bars of 2530mm, 2,580mm, 2,630mm, 2,680mm, and 2,730mm are ready-made by pre-establishing reinforcing bars at 50mm intervals.
- a reinforcing bar as short as -30mm or as long as +20mm in the middle is used in combination with a standardized reinforcing bar.
- the construction starts through the step of installing the first section reinforcing bars 22 and 25 at the point where the reinforcing bar structure is to be constructed ( S4 ).
- a joint work reservation section (T) is set, and the splicing operation of the standardized reinforcing bars in the first section (22, 25) is performed.
- the first joint points 21 and 24 will be located at which point in the joint work reservation section (T). It is necessary to consider
- the length of standardized reinforcing bars used as standard reinforcing bars is shorter than the standard length.
- the length of the standardized rebar used as the standard reinforcing bar is longer than the standard length.
- the butt joint point of the nth section deviates from the range of the joint work reservation section, as shown in FIGS. 18 to 20
- the joint position adjustment reinforcing bar 60 is used to return the joint point within the joint work reservation section.
- the length of the joint position adjustment reinforcing bar 60 is selected by appropriately considering the length (P) of the reinforcing bar deviating from the joint work reservation section range.
- the joint position adjustment reinforcing bar 60 is buttted to any joint point before the nth section, and the nth joint point is the joint work reservation section.
- the butt joint point of the standardized reinforcing bar in the nth section is returned to the range of the joint work reservation section (T) through the step (S3) of returning to within.
- the n-1 th section was used.
- the joint position adjustment reinforcing bar 60 shorter than the n-1 th rebar is buttted to the n-1 th section
- the tolerance amount D is secured again.
- the length of the joint position adjustment reinforcing bar 60 is appropriately shorter or longer than the length of the standardized reinforcing bar so that the joint point of the reinforcing bar is returned within the joint work reservation section.
- the joint position adjustment reinforcing bar 60 is also a ready-made reinforcing bar, and may be a standardized reinforcing bar in which the joint device is integrated.
- the joint position adjustment reinforcing bar may be a regular standardized reinforcing bar having a different length from that of the regular standardized reinforcing bar used as the reference reinforcing bar.
- the reinforcing bar of the remaining section length is butt-joined with the finishing section work.
- the reinforcing bar is cut to the length of the remaining section, or if the length is the same as that of the standardized rebar, the standardized rebar is immediately applied and finished.
- a joint operation reservation section (T) is set using a column reinforcing bar as an example, and the construction step in the case where the joint position adjustment reinforcing bar is to be used will be described in more detail.
- the number of butt joints and the joint work reservation section can also be determined.
- the number of joint points is the same as the number of floors.
- standardized reinforcing bars when the process is carried out one layer at a time, it may be a standardized reinforcing bar that is smaller or larger than the height of one floor and has the closest length to the height of the floor.
- this initial section reinforcing bar may be a reinforcing bar embedded in the foundation.
- a hook part for embedding in the foundation may be formed at the lower end in order to secure the fixing length.
- each floor height of 2,600mm, slab thickness 200mm, and standardized reinforcing bars is 2,630mm.
- the first joint point of the first floor shall be 650mm from the slab floor.
- the range of the joint work reservation section is set to 650mm to 770mm from the floor of each floor.
- the joint position adjustment reinforcing bar is used.
- the reinforcing bar that absorbs the length error in a specific splicing section among the splicing sections is the splicing position adjustment reinforcing bar.
- the distance between the joint points from the floor in each floor is as follows.
- Joint work reservation section range (based on the distance between joint points from the floor of each floor): 650mm ⁇ joint point ⁇ 770mm
- the joint points are cumulatively raised by 30 mm.
- the joint position adjustment reinforcing bar is applied on the 5th floor to connect.
- the 5th floor uses reinforcing bars with a total length of 2,480mm.
- the joint point is returned to 650 mm in the sixth floor by the joint position adjustment reinforcing bar.
- the joint position adjustment reinforcing bar was applied on the 10th floor to connect. Accordingly, on the 10th floor, the joint position adjustment rebar with a total length of 2,480mm is used.
- the joint point is returned to 650 mm in the 11th floor by the joint position adjustment reinforcing bar.
- the remaining length is 1,830mm considering the height of the joint point of 770mm from the floor height of 2,600mm.
- the total length of the finishing rebar is 2,030mm.
- the joint position adjustment rebar when the joint position adjustment rebar is connected to the n-1 floor when the n-floor deviates from the joint work reservation section range, the joint point of the n-floor returns to within the joint work reservation section range and does not deviate from the joint work reservation section range.
- the position of the joint position adjustment reinforcing bar does not necessarily have to be the n-1 layer, and may be adjusted to a predetermined position below the n-2 layer.
- the above embodiment is an embodiment in which the length of the standardized reinforcing bar is selected longer than the standard length of one floor height.
- the length of the standardized reinforcing bar is selected to be longer than the reference length by about 30 mm.
- the length of the standardized reinforcing bar may be selected to be shorter than the standard length of one storey.
- the length of the standardized reinforcing bar is selected to be shorter than the floor height by about 20 mm.
- reinforcing bars of 2530mm, 2,580mm, 2,630mm, 2,680mm, and 2,730mm are ready-made by pre-establishing reinforcing bars at 50mm intervals.
- an error of -20mm which is the difference between the distance between the joint points and the regular standardized rebar, occurs when the standardized rebar is set to 2,580mm standard and the actual butt joint is performed.
- This amount of error is continuously accumulated at n times of splicing in a continuous section, and the height of the butt joint is lowered by -20mm ⁇ n times in each section.
- Each butt joint is made within the set joint work reservation section range so that each butt joint continuously connected does not deviate from the joint work reservation section set in each reference length.
- the standard length is 5,200mm in height for two floors, 200mm in thickness of the slab, and the total length of standardized reinforcing bars is 5,230mm.
- the first joint point of the first floor shall be 650mm from the slab floor.
- the range of the joint work reservation section is set to 650mm to 770mm from the floor of each floor.
- the joint position adjustment reinforcing bar is used.
- reinforcing bars of 5,080mm, 5,130mm, 5,180mm, 5,230mm, and 5,280mm are ready-made by pre-establishing reinforcing bars at 50mm intervals.
- the joint reinforcing bar is used only once in the 9th floor. In other words, except for one joint, all of them were joined with standardized standardized bars used as reference bars. The total number of joints is only 8. Further, an embodiment in which three floor heights are determined as the reference length will be described.
- the standard length is 7,800mm in height of three floors, 200mm in thickness of slab, and the total length of standardized reinforcing bars is 7,830mm.
- the first joint point of the first floor shall be 650mm from the slab floor.
- the range of the joint work reservation section is set to 650mm to 770mm from the floor of each floor.
- the joint position adjustment reinforcing bar is used.
- rebars of 7,680mm, 7,630mm, 7,780mm, 7,830mm, and 7,880mm are ready-made by pre-establishing reinforcing bars at 50mm intervals.
- the standard length is 10,400mm in height of 4 floors, 200mm in thickness of slab, and the total length of standardized reinforcing bars is 10,430mm.
- the first joint point of the first floor shall be 650mm from the slab floor.
- the range of the joint work reservation section is set to 650mm to 770mm from the floor of each floor.
- the joint position adjustment reinforcing bar is used.
- reinforcing bars of 10,280mm, 10,330mm, 10,380mm, 10,430mm, and 10,480mm are ready-made by pre-establishing reinforcing bars at 50mm intervals.
- the standardized reinforcing bars used as joint position adjustment rebars were standardized reinforcing bars that were one dimensional step shorter than the reinforcing bars that were used repeatedly.
- the regular standardized reinforcing bars used for the columns may be used for the beams, or the regular standardized reinforcing bars used for the beams may be used for the columns.
- the quasi-standardized reinforcing bars used for columns and the sizing standardized rebars used for beams are of the same length and the same size, use the sizing standardized reinforcing bars used for columns as they are for beams, or use the sizing standardized rebars used for beams as they are for columns. Can be used.
- reinforcing bar materials with raw material properties can be converted into ready-made materials through mass production. According to the consumption forecast, it is possible to pre-produce the required quantity in advance and produce a sufficient quantity in advance so that it can be used immediately.
- the construction method of a reinforcing bar structure using standardized reinforcing bars in which the butt joint device of the present invention is integrated makes it possible to continuously connect the reinforcing bars with a butt joint rather than an overlap joint in the section where the reinforcing bars should be continuously joined. As a result, it is possible to reduce the quantity of rebar and realize economic feasibility.
- the material of the reinforcing bar is determined, and the standardized length dimension, which is the length standard from one end to the other end, is assigned to the rebar to be cut.
- the length of the reinforcing bar be standardized by giving it a standardized length dimension.
- the joint device integrated with the reinforcing bar is also cut and removed.
- the standardized length dimension may be determined on the basis of millimeters, centimeters, meters, or inches. Accordingly, it may be formed to have a predetermined length dimension or may be manufactured to have a length dimension system consisting of steps at predetermined intervals.
- rebar producers can arbitrarily predict and determine the standard that is expected to have the highest demand, or determine the quality by ordering from civil engineering and architectural design groups or other related parties such as construction companies. can
- the length between the butt joint points which is commonly and frequently appearing in the related reinforced concrete structure, may be determined to be approximately shorter or longer than the length between the joint points.
- one-story length, two-story length, three-story length, or four-story length of a building or one-time, double-length, three-fold length, or four-times the length of the beam connecting between columns length can be formed.
- the length having the most significant value can be set as the standardized reinforcing bar length.
- the reinforcing bar is cut to a regular length according to the given length dimension. Since it is cut to the correct length according to the given length dimension, it becomes a reinforcing bar cut and processed according to the standardized length dimension.
- the reinforcing bar may be customized according to the given length dimension, such as by adjusting the stopper position of the rebar production line so that a separate cutting process is not required from the rebar manufacturing step.
- the butt joint device is formed at one end or both ends of the rebar cut to the regular length by the standardized length to produce off-the-shelf standardized reinforcing bars in which the joint device is integrated.
- the butt joint device is formed at one end or both ends of the rebar cut to the regular length by the standardized length to produce off-the-shelf standardized reinforcing bars in which the joint device is integrated.
- Joint devices are integrally formed at one end or both ends in a state where the length is standardized according to the material and diameter of the reinforcing bar.
- reinforcing bars In the standardized reinforcing bars in which the joint device is integrated, there are various types of reinforcing bars such as deformed bar rebars.
- Rebar cutting work can be minimized when constructing standardized rebar.
- This process is a standardization method by standardized reinforcing bars.
- the producer arbitrarily sets the material and diameter of the rebar regardless of the orderer and prepares it, b) the producer decides the length arbitrarily and cuts the rebar, c) the rebar is ready-made determining the material, diameter, and length dimensions to secure the steel, d) Producer arbitrarily selects the type of joint coupler and forms a joint device by direct threading or thread welding to the reinforcing bar to complete the standardized reinforcing bar e) Producer or Step by which the seller retains or stores standardized rebar by material, diameter and length, f) The producer arbitrarily sets the length according to the material and diameter, forms a joint, and provides standardized information on the standardized reinforcing bar to the buyer.
- Steps to purchase the desired product immediately g) Transport to the location desired by the buyer, h) Since there is almost no matching length desired at the site, select a rebar closest to the desired length and set a safe and convenient section for seaming work Therefore, if the error range is inconvenient in the joint work, the reinforcing bar structure can be formed through the step of splicing with long or short joint position adjustment reinforcing bars.
- a plurality of standardized reinforcing bars integrated with the butt joint device are pre-assembled to form a pre-assembled reinforcing bar network by standardized reinforcing bars, or multiple joint position adjustment rebars are pre-assembled and pre-assembled reinforcing bars by joint position adjustment reinforcing bars network can be formed.
- a reinforcing bar structure is quickly formed using a pre-assembled reinforcing bar network by standardized reinforcing bars or joint position adjustment rebars, or pre-assembled reinforcing bars by standardized reinforcing bars delivered to the site after factory production. can do.
- the lengths of the standardized reinforcing bars used as reference reinforcing bars are the same, but the present invention is not limited thereto.
- the length of the regular standardized rebar used as the standard rebar can be used differently between the standardized rebar used as the standard reinforcing bar.
- the length of the joint position adjustment reinforcing bars used can be used differently between the joint position adjustment reinforcing bars.
- the first embodiment is a bottom-up splicing method.
- First as a case of connecting up to 30 floors by modifying the above-described embodiment, it starts from the joint point 650mm using 2,630mm standardized reinforcing bars and 2,480mm reinforcing bars for joint position adjustment.
- Joint position adjustment reinforcing bars are used in the 6th, 11th, 16th, 21st, and 26th floors.
- the second embodiment proceeds the joint starting from the joint point 770mm using a top-down joint method of 2,580mm standardized reinforcing bars and 2,720mm joint position adjustment bars, and joint positions on the 8th, 15th, 22nd, and 29th floors Adjustment rebar is used.
- the standardized reinforcing bars used as the reference reinforcing bars may be selected as two reinforcing bars having a difference in length. That is, one reinforcing bar may be a uniaxial standardized reinforcing bar shorter than the reference length, and the other reinforcing bar may be an extended standardized reinforcing bar that is longer than the reference length. In this case, the length standard deviation from the reference length may have the same deviation or different deviations.
- 2,580 mm products and 2,630 mm products are used to connect continuously according to a basic alternating pattern.
- the shortened standardized rebar of 2,580mm is -20mm shorter, and the extended standardized rebar of 2,630mm is +30mm longer. Therefore, since it has an equal length dimensional deviation, if you simply alternately connect two standardized reinforcing bars once each, the joint point gradually rises.
- the uniaxial standardized reinforcing bar is connected twice, and the extended regularized standardized reinforcing bar is connected once to lower the joint point.
- the fourth embodiment is a case in which the shortened standardized standardized reinforcing bars are joined two or more times and the extended standardized standardized reinforcing bars are also joined two or more times.
- the fifth embodiment is a case in which the shortened standardized reinforcing bars and the extended standardized reinforcing bars are alternately joined one by one.
- the reference length is 2,600mm and is an example using a shortened standardized reinforcing bar of 2,550mm and an extended standardized reinforcing bar of 2,650mm. That is, unlike the first embodiment or the first to fourth embodiments, it is an embodiment using two types of standardized reinforcing bars having the same length standard deviation of 50 mm apart from the reference length. Starting at 710mm at the splicing point, as the splicing progresses by splicing the 2,550mm single-axis square standardized rebar, the increments appear alternately -50mm and +50mm, and the splicing point alternates with 710mm and 660mm.
- the third and fourth embodiments are a case where the short-axis standardized reinforcing bars and the extended regular standardized reinforcing bars have mutually different deviations
- the fifth embodiment is a case where they have the same deviation from each other.
- first to fifth embodiments also become an embodiment of the same method in the case of using the pre-assembled reinforcing bar network by standardized reinforcing bars and the pre-assembled reinforcing bar network by the joint position adjustment reinforcing bars.
- the standardized reinforcing bars used as the reference reinforcing bars may be selected as three or more reinforcing bars having different lengths. Accordingly, various embodiments are possible depending on the field situation, such as a combination of extended type, shortened type, and extended standardized rebar, or a combination of extended type, shortened type, and shortened type standardized rebar.
- the above third to fifth embodiments may also be implemented by further including a joint position adjustment reinforcing bar.
- a reinforcing bar structure is formed with one type of regular standardized reinforcing bar, or a reinforcing bar structure is formed with two types of regular standardized rebar and two types of reinforcing bars for joint position adjustment, or two types of shortened and several extension types are used.
- a reinforcing bar structure can be formed by combining the above embodiments by forming a reinforcing bar structure with regular standardized reinforcing bars, using three or more kinds of regular standardized reinforcing bars, or combining shortened, several-extended standardized rebar with joint position adjustment reinforcing bars.
- the alternating pattern during the continuous butt joint construction of standardized reinforcing bars can also be implemented to suit the situation of each site by deriving an application pattern based on the above basic pattern if necessary.
- joint devices there are various types of joint devices, and in the case of a method using a screw thread, when a male thread part is formed only at one end of the reinforcing bar, when a female thread part is formed only at one end, when a male thread part is formed at both ends, When a female thread part is formed at both ends , may be selected from a selection group in which a male threaded part is formed at one end and a female threaded part is formed at the other end.
- a screw can be formed directly at the end of the rebar, such as rolling after swaging the end of the standardized reinforcing bar, or cutting after inflating.
- either a male threaded portion by a cylindrical screw 85 is directly formed at one end of the upright standardized reinforcing bar 84
- an external threaded portion by a cylindrical screw 87 is formed at both ends of the upright standardized reinforcing bar 86 . can be formed directly.
- either a male threaded part by a conical screw 105 is directly formed at one end of the upright standardized reinforcing bar 104
- a male threaded part is directly formed by a conical screw 107 at both ends of the upright standardized reinforcing bar 106 . can do.
- the screw members 80, 100, 160 having a thread formed in a predetermined section from one end to the other end are integrally welded to the ends of the standardized reinforcing bars 81, 101, 161 in an extension shape. can be joined.
- the method of forming the female threaded portion may be formed by integrally welding the members (82, 102, 162) that are opened to one side and formed with the female threaded portion on the inner circumferential surface to the ends of the standardized reinforcing bars (83, 103, 163) in an extended shape.
- the cutting screw processing for rebar damages the fibrous tissue, making it difficult to apply to ultra-high-strength reinforcing bars with SD600 or higher.
- the super high-strength reinforcing bar is preferably formed by solid-state welding the screw member to the reinforcing bar to form an external thread for a mechanical joint.
- welding methods for forming the male thread part and the female thread part, and include friction welding, stud welding, electron beam welding, laser welding, CO 2 welding, argon welding, butt welding, flash welding, and the like. During friction welding, the welding rod 90 may be removed as needed.
- the reinforcing bar coupler 180 may be pre-coupled to the male screw part 181 .
- coupler 180 members having female threads formed in both directions in the hollow cylindrical body are temporarily coupled, and butt joints are made using the temporarily coupled reinforcing bar coupler during joint construction.
- the screw type of the female thread may be a cylindrical screw, a conical screw, or a cylindrical-conical integrated screw.
- the male screw portion may be formed by integrally welding the cylindrical screw member 92 having the cylindrical male screw portion 91 formed on the outer circumferential surface to the end of the standardized reinforcing bar 93 in an extended shape.
- the corrugated diameter of the reinforcing bar 93 is expanded compared to the diameter of the reinforcing bar 93.
- the cylindrical screw member 92 may be formed to have a corrugated diameter larger than the diameter of the reinforcing bar 93 , and the cylindrical screw member 92 having a large corrugated diameter is extended to the end of the standardized reinforcing bar 93 . It can be formed by integral welding.
- the embodiment in which the joint device is formed on the standardized reinforcing bar 93 is a case in which the cylindrical male threaded part 91 is formed only at one end (94), and the cylindrical female threaded part 99 is formed only at one end (95). ), when cylindrical male threaded parts are formed at both ends (96), when cylindrical female threaded parts are formed at both ends (98), one end is a cylindrical male threaded part, and the other end is a cylindrical female threaded part is formed (97) Embodiments are possible.
- the standardized reinforcing bars 93 are joined by a joint device by a cylindrical screw.
- a cylindrical female screw part 30 is formed at the end of one side standardized reinforcing bar
- a cylindrical male screw part 31 is formed at the end of the other side standardized reinforcing bar.
- the standardized reinforcing bars 110 are joined by a joint device by a conical screw.
- the inclination angle may be formed from 6 degrees to 22 degrees with respect to the central axis.
- the thread may be preferably formed so that the fastening is completed in about three and a half to four and a half turns.
- the male screw portion or the female screw portion may be formed of a cylindrical-conical integrated screw coupling structure.
- the cylindrical-conical integrated screw includes a cylindrical-conical integrated female screw portion 21 and a cylindrical-conical integrated male screw portion 31 .
- the cylindrical-conical integrated female screw portion 21 is a cylindrical female screw portion (P1) formed with a cylindrical screw thread on the inner diameter and a conical female screw portion (T1) having a narrow inner diameter at one end of the cylindrical female screw portion (P1) are integrally formed. is formed with
- the cylindrical female screw part P1 and the conical female screw part T1 are formed side by side with the inner diameter in the inward direction, and the conical female screw part T1 is positioned inside the cylindrical female screw part P1.
- the cylindrical-conical integral male screw part 31 has a cylindrical male screw part P2 formed with a cylindrical thread on the outer diameter and a conical male screw part T2 having a narrow outer diameter at one end of the cylindrical male screw part P2. formed integrally
- the conical screw threads T1 and T2 and the cylindrical screw threads P1 and P2 which are formed in a corresponding standard for screwing, are screwed together in a structure in which both male and female meshes are engaged.
- the inner diameter DP1 (minor diameter) of the cylindrical female screw portion P1 is formed to be greater than the maximum inner diameter DT1 of the conical female screw portion T1.
- the conical female screw portion T1 is formed such that the inner diameter gradually increases in the direction of the cylindrical female screw portion P1, but the maximum inner diameter DT1 of the conical female screw portion T1 is the inner diameter of the cylindrical female screw portion P1. It is formed smaller than (DP1).
- outer diameter DP2 (major diameter) of the cylindrical male screw portion P2 is formed to be greater than the maximum outer diameter DT2 of the conical male screw portion T2.
- the outer diameter of the conical male screw portion T2 is formed to gradually increase in the direction of the cylindrical male screw portion P2, but the maximum outer diameter DT2 of the conical male screw portion T2 is the cylindrical male screw portion P2. ) is formed smaller than the outer diameter (DP2).
- the conical thread (T1, T2) and the cylindrical thread (P1, P2) can be configured to form a thread in which both male and female meshing, respectively.
- thread discontinuities 23 and 33 are respectively formed between the cylindrical female screw portion P1 and the conical female screw portion T1 and between the cylindrical male screw portion P2 and the conical male screw portion T2.
- the discontinuous portions 23 and 33 may have various shapes and methods as long as the threads are discontinuous.
- the recessed portion has a series of configurations of the conical threaded portion-recessed portion-cylindrical threaded portion (T1-23-P1, T2-33-P2). Thereby, the thread of the conical thread is not continuous.
- the cylindrical female threaded portion P1 or the cylindrical female threaded portion P1 or The cylindrical male screw portion P2 may be formed in any diameter standard, respectively.
- the effective cross-sectional areas of the conical threaded portion and the cylindrical threaded portion are added, thereby making it possible to have a tensile force and the like.
- the inner diameter DP1 of the cylindrical female screw portion P1 is formed to be larger than the maximum outer diameter DT2 of the conical male screw portion T2.
- the maximum outer diameter of the conical screw and the outer diameter of the cylindrical screw are the same. mutually interfered with the liver (34) (36). Accordingly, the provisional coupling depth (D1) was limited, and the conical screw was deeply inserted and provisional coupling could not be performed without screw rotation.
- the female screw body and the male screw body are formed such that the inner diameter of the cylindrical female screw portion is greater than the maximum outer diameter of the conical male screw portion, so that when the provisional coupling is completed, the conical screw portion contacts each other (37) and the cylindrical threads may be spaced 38 from each other.
- the provisional coupling depth is determined depending on whether the conical screw portion and the cylindrical screw portion are in contact, the provisional coupling depth is made deeper in the X2 drawing than in the X1 drawing.
- the cylindrical-conical integrated female threaded part 21 and the cylindrical-conical integrated male threaded part 31 consist of a coupling including coupling by the cylindrically-conical threaded threads (P1, P2). It is thought that the straightness distortion can be further reduced than the combination by only the conical threads T1 and T2.
- the screw protection cap 200 is coupled to the male or female screw portion, and the screw protection cap -20 includes an information providing unit 202 that provides unique information related to the standardized reinforcing bar 201 . can be formed.
- the reinforcing bar can be identified by directly displaying unique information on the screw protection cap 200 that is detachably attached to the reinforcing bar.
- Examples of the information providing unit 202 include a character display, a barcode method, an RFID method, a QR code 202 method, an NFC method, and the like.
- an information providing unit by adding an engraved or embossed shape to the reinforcing bar directly in the rebar production step as a method of providing unique information related to other sizing standards.
- a joint device using a socket fastening type reinforcing bar connector by a joint end member disclosed as Patent Registration No. 10-1378723 may be integrated into the standardized reinforcing bar.
- the bonding end member 150 when the first junction member 150 is formed only at one end of the standardized reinforcing bar 157 (151), the second junction member 152 is formed only at one end.
- the first bonding end members when the first bonding end members are formed at both ends (154), when the second bonding end members are formed at both ends (156), the first bonding end member at one end, the second bonding end member at the other end
- the bonding end member when the bonding end member is formed (155), it may be any one selected from the group selected.
- the first joining end member 140 is joined to the end of the normalized reinforcing bar 141a, and a male screw part 142 for coupling a fastening socket is longitudinally disposed on the outer surface. member that is formed.
- the second junction end member 143 has one end of a shape 144 corresponding to the end shape of the first junction end member, and the other end is joined to the end 141b of the normalized reinforcing bar and is connected to the one end. It is a member provided with one or a plurality of steps 145 spaced apart from and having one end in the axial direction forming an angle selected from acute angle, right angle, and obtuse angle with respect to the longitudinal direction.
- a fastening socket 146 may be provisionally coupled to the side of the second joining end member. Before fastening, the fastening socket 146 is in a state where free flow is possible.
- the fastening socket 146 is opened in the longitudinal direction to extend in the longitudinal direction to surround the outer surface of the second bonding end member 143 and the outer surface of the first bonding end member 140 to receive it, and the inner surface has the A female screw part 147 for coupling a fastening socket screwed to the male screw part 142 for coupling a fastening socket of the first joining end member 140 is formed in the longitudinal direction, and on the step 145 of the second joining end member. It is a hollow member provided with one or a plurality of engaging projections 148 that are engaged and form an angle selected from acute angle, right angle, and obtuse angle with respect to the longitudinal direction.
- the configuration of the first bonding end member 140 and the configuration of the second bonding end member 143 may be exchanged and the position of the fastening socket 146 is also temporarily coupled to the first bonding end member 140 side.
- a joint device using a reinforcing bar connector by a threaded sleeve of Patent Registration No. 10-1014543 may be integrated into the standardized reinforcing bar.
- the reinforcing bar connector by the threaded sleeve is a reinforcing bar connector using the male screw part 121 formed on the end portion 120 of the reinforcing bar.
- ) is a configuration in which the components of the threaded sleeve are coupled in a state in which they are directly formed.
- One sleeve 122 or the other sleeve 123 is coupled to the male threaded portion 121 of the standardized reinforcing bar.
- the one sleeve 122 is a member having a female threaded part 124 formed on its inner surface and a male threaded part 125 formed on its outer surface, and the other sleeve 123 is a female threaded part on its inner surface. (126) is formed, one end in the axial direction is a member in which the first engaging projection 127 made of a plane perpendicular to the central axis is formed.
- a coupling socket 128 may be provisionally coupled to the other sleeve 123 side.
- the coupling socket 128 is in a state in which free flow is possible until it is tightened.
- the coupling socket 128 has a female screw portion 129 screw-fastened to the male screw portion 125 of the one sleeve 122 is formed on the inner surface, and the first locking protrusion 127 of the other sleeve 123 is formed.
- ) is a member in which a locking projection 129b protruding in the direction of the center of the circle is formed on the inner surface of one end to act as a locking action while abutting it.
- the joint device has a first junction member or a second junction end member that is a component of a socket fastening type reinforcing bar connector by a junction end member at one end of the standardized reinforcing bar.
- the member is coupled, and one sleeve or the other sleeve, which is a component of the reinforcing bar connector by means of a threaded sleeve, may be coupled to the other end.
- first bonding end member-one sleeve the first bonding end member-other sleeve, the second bonding end member-one sleeve, and the second bonding end member-the other sleeve are possible.
- Other combinations of the joint devices listed above are also possible.
Abstract
Description
층 수 | 바닥으로 부터 이음지점 간 거리 | 정척 규격화 철근 길이 |
1층 | 650mm | + 2,630mm |
2층 | 680mm | + 2,630mm |
3층 | 710mm | + 2,630mm |
4층 | 740mm | + 2,630mm |
5층 | 770mm | + 2,630mm |
6층 | 800mm | 조절필요 (이탈) |
층 수 | 바닥으로 부터 이음지점 간 거리 | 정척 규격화 철근 길이 |
1층 | 650mm | + 2,630mm |
2층 | 680mm | + 2,630mm |
3층 | 710mm | + 2,630mm |
4층 | 740mm | + 2,630mm |
5층 | 770mm | + 2,480mm (이음위치 조정철근) |
6층 | 650mm | (복귀) |
층 수 | 바닥으로 부터 이음지점 간 거리 | 정척 규격화 철근 길이 |
6층 | 650mm | + 2,630mm |
7층 | 680mm | + 2,630mm |
8층 | 710mm | + 2,630mm |
9층 | 740mm | + 2,630mm |
10층 | 770mm | + 2,630mm |
11층 | 800mm | 조절필요 (이탈) |
층 수 | 바닥으로 부터 이음지점 간 거리 | 정척 규격화 철근 길이 |
6층 | 650mm | + 2,630mm |
7층 | 680mm | + 2,630mm |
8층 | 710mm | + 2,630mm |
9층 | 740mm | + 2,630mm |
10층 | 770mm | + 2,480mm (이음위치 조정철근) |
11층 | 650mm | (복귀) |
층 수 | 바닥으로 부터 이음지점 간 거리 | 정척 규격화 철근 길이 |
1층 | 650mm | + 2,630mm |
2층 | 680mm | + 2,630mm |
3층 | 710mm | + 2,630mm |
4층 | 740mm | + 2,630mm |
5층 | 770mm | + 2,480mm (이음위치 조정철근) |
6층 | 650mm | (복귀) |
7층 | 680mm | + 2,630mm |
8층 | 710mm | + 2,630mm |
9층 | 740mm | + 2,630mm |
10층 | 770mm | + 2,480mm (이음위치 조정철근) |
11층 | 650mm | (복귀) |
12층 | 680mm | + 2,630mm |
13층 | 710mm | + 2,630mm |
14층 | 740mm | + 2,630mm |
15층 | 770mm | (마무리 구간) |
층 수 | 바닥으로 부터 이음지점 간 거리 | 정척 규격화 철근 길이 |
1층 | 650mm | + 5,230mm |
2층 | 이음없음 | |
3층 | 680mm | + 5,230mm |
4층 | 이음없음 | |
5층 | 710mm | + 5,230mm |
6층 | 이음없음 | |
7층 | 740mm | + 5,230mm |
8층 | 이음없음 | |
9층 | 770mm | + 5,180mm (이음위치 조정철근) |
10층 | 이음없음 | |
11층 | 650mm | (복귀) |
12층 | 이음없음 | |
13층 | 680mm | + 5,230mm |
14층 | 이음없음 | |
15층 | 710mm | (마무리 구간) |
층 수 | 바닥으로 부터 이음지점 간 거리 | 정척 규격화 철근 길이 |
1층 | 650mm | + 7,830mm |
2층 | 이음없음 | |
3층 | 이음없음 | |
4층 | 680mm | + 7,830mm |
5층 | 이음없음 | |
6층 | 이음없음 | |
7층 | 710mm | + 7,830mm |
8층 | 이음없음 | |
9층 | 이음없음 | |
10층 | 740mm | + 7,830mm |
11층 | 이음없음 | |
12층 | 이음없음 | |
13층 | 770mm | + 7,830mm |
14층 | 이음없음 | |
15층 | 이음없음 | (마무리 구간) |
층 수 | 바닥으로 부터 이음지점 간 거리 | 정척 규격화 철근 길이 |
1층 | 650mm | + 10,430mm |
2층 | 이음없음 | |
3층 | 이음없음 | |
4층 | 이음없음 | + 10,430mm |
5층 | 680mm | |
6층 | 이음없음 | |
7층 | 이음없음 | + 10,430mm |
8층 | 이음없음 | |
9층 | 710mm | |
10층 | 이음없음 | + 10,430mm |
11층 | 이음없음 | |
12층 | 이음없음 | |
13층 | 740mm | + 10,430mm |
14층 | 이음없음 | |
15층 | 이음없음 | (마무리 구간) |
Claims (19)
- 맞대기 이음장치가 일체화된 정척 규격화 철근에 의한 철근구조물의 시공방법에 있어서,a) 맞대기 이음될 철근의 기준길이를 결정하는 단계;b) 상기 기준길이와 동일하거나 상기 기준길이보다 짧거나 긴 정척 규격화 철근의 길이 및 정척 규격화 철근의 재질, 직경을 결정하여 기준철근으로 사용되는 정척 규격화 철근을 선택하는 단계; 및c) 상기 선택된 기준철근으로 사용되는 정척 규격화 철근을 하나 이상 반복 사용하는 시공단계를 포함하며,상기 c) 단계는(i) 최초 구간 철근을 설치하는 단계;(ii) 상기 최초 구간 철근에 상기 기준철근으로 사용되는 정척 규격화 철근을 반복하여 맞대기 이음하는 단계; 및(iii) 상기 (i) 단계 내지 (ii) 단계를 반복실시 하며 마무리 구간까지 도달하는 단계를 포함하며,각각의 기준길이 내에서 기둥 양단으로부터 각각 150mm를 제외한 구간 또는 보의 양단으로부터 각각 150mm를 제외한 구간에서 각각의 맞대기 이음이 이루어지고,상기 이음장치는일단부에만 수나사부가 형성되는 경우,일단부에만 암나사부가 형성되는 경우,양단부에 수나사부가 형성되는 경우,양단부에 암나사부가 형성되는 경우,일단부에는 수나사부, 타단부에는 암나사부가 형성되는 경우의 선택군 중 선택된 어느 하나이고,상기 수나사부와 암나사부는 원기둥형 나사 결합구조 또는 원추형 나사 결합구조 또는 원기둥-원추형 일체형 나사결합구조인 것을 특징으로 하는 맞대기 이음장치가 일체화된 정척 규격화 철근에 의한 철근구조물의 시공방법.
- 제1항에 있어서,상기 a) 단계의 기준길이는 맞대기 이음지점의 이음작업 예약구간을 포함하고,상기 (iii) 단계에서 n번째 맞대기 이음지점이 상기 이음작업 예약구간의 범위를 이탈하게 될 경우, 상기 n번째 이전 어느 이음지점에 이음위치 조정철근을 맞대기 이음하여 n번째 이음지점이 상기 이음작업 예약구간 범위 내로 복귀되는 것을 특징으로 하는 맞대기 이음장치가 일체화된 정척 규격화 철근에 의한 철근구조물의 시공방법.
- 제2항에 있어서,상기 이음위치 조정철근은 상기 기준철근으로 사용되는 정척 규격화 철근과 길이가 상이한 정척 규격화 철근인 것을 특징으로 하는 맞대기 이음장치가 일체화된 정척 규격화 철근에 의한 철근구조물의 시공방법.
- 제1항에 있어서,상기 정척 규격화 철근은 길이 차이를 가지는 두 개의 철근으로서, 하나의 철근은 상기 기준길이 보다 짧은 단축형 정척 규격화 철근이고, 다른 하나의 철근은 상기 기준길이 보다 긴 연장형 정척 규격화 철근이고,시공단계시단축형 정척 규격화 철근과 연장형 정척 규격화 철근을 한 차례씩 번갈아 이음하는 경우 또는단축형 정척 규격화 철근을 한 차례 이음하고 상기 연장형 정척 규격화 철근을 두 차례 이상 이음하는 경우 또는단축형 정척 규격화 철근을 두 차례 이상 이음하고 상기 연장형 정척 규격화 철근을 한 차례 이음하는 경우 또는단축형 정척 규격화 철근을 두 차례 이상 이음하고 상기 연장형 정척 규격화 철근도 두 차례 이상 이음하는 경우를 선택적으로 실시하여 마무리 구간까지 도달하는 것을 특징으로 하는 맞대기 이음장치가 일체화된 정척 규격화 철근에 의한 철근구조물의 시공방법.
- 제1항에 있어서,상기 기준길이는1개 층고, 2개 층고, 3개 층고 또는 4개 층고 길이이거나기둥 사이를 연결하는 보 길이의 1배 길이, 2배 길이, 3배 길이 또는 4배 길이인 것을 특징으로 하는 맞대기 이음장치가 일체화된 정척 규격화 철근에 의한 철근구조물의 시공방법.
- 제1항에 있어서,상기 c) 단계는 반복 사용되는 정척 규격화 철근의 길이가 상호 동일한 것을 특징으로 하는 맞대기 이음장치가 일체화된 정척 규격화 철근에 의한 철근구조물의 시공방법.
- 제1항에 있어서,각각의 기준길이 마다 1개소의 이음지점이 발생하는 것을 특징으로 하는 맞대기 이음장치가 일체화된 정척 규격화 철근에 의한 철근구조물의 시공방법.
- 제1항에 있어서,상기 원기둥형 나사 결합구조는일측 철근의 단부에는 원기둥형 암나사부가 형성되고, 타측 철근의 단부에는 원기둥형 수나사부가 형성되어 상기 암수 원기둥형 나사부가 나사결합하여 이루어지는 경우또는 단부를 마주하여 이음될 두 철근의 단부에 각각 원기둥형 수나사부가 형성되고, 별도의 커플러가 상기 원기둥형 수나사부를 양단으로 나사결합하여 이루어지는 경우인 것을 특징으로 하는 맞대기 이음장치가 일체화된 정척 규격화 철근에 의한 철근구조물의 시공방법.
- 제1항에 있어서,상기 원기둥-원추형 일체형 나사결합구조는내경에 원기둥형 나사산으로 형성되는 원기둥형 암나사부와 상기 원기둥형 암나사부의 일단에 안지름이 좁아지는 원추형 암나사부가 일체로 형성되는 원기둥-원추형 일체형 암나사부를 포함하고,외경에 원기둥형 나사산으로 형성되는 원기둥형 수나사부와 상기 원기둥형 수나사부의 일단에 바깥 지름이 좁아지는 원추형 수나사부가 일체로 형성되는 원기둥-원추형 일체형 수나사부를 포함하고,상기 원기둥형 암나사부의 안지름은 상기 원추형 암나사부의 최대 안지름 보다 크도록 형성되고,상기 원기둥형 수나사부의 바깥 지름은 상기 원추형 수나사부의 최대 바깥 지름 보다 크도록 형성되고,상기 원기둥형 암나사부와 원추형 암나사부 사이 및 상기 원기둥형 수나사부와 원추형 수나사부 사이에 각각 나사산 불연속부가 형성되고,상기 원기둥형 암나사부의 안지름이 상기 원추형 수나사부의 최대 바깥 지름보다 크도록 형성되는 것을 특징으로 하는 맞대기 이음장치가 일체화된 정척 규격화 철근에 의한 철근구조물의 시공방법.
- 제1항에 있어서,상기 수나사부 또는 암나사부에는 나사보호캡이 결합되고,상기 나사보호캡에는 상기 정척 규격화 철근에 관련된 고유정보를 제공하는 정보제공부가 형성되는 것을 특징으로 하는 맞대기 이음장치가 일체화된 정척 규격화 철근에 의한 철근구조물의 시공방법.
- 제1항에 있어서,상기 이음장치는일단부에만 제1접합단부재가 형성되는 경우,일단부에만 제2접합단부재가 형성되는 경우,양단부에 제1접합단부재가 형성되는 경우,양단부에 제2접합단부재가 형성되는 경우,일단부에는 제1접합단부재, 타단부에는 제2접합단부재가 형성되는 경우의 선택군 중 선택된 어느 하나이고,상기 제1접합단부재는 상기 정척 규격화 철근의 단부에 접합되고 체결소켓 결합용 수나사부가 외면에 길이방향으로 형성되는 부재이고,상기 제2접합단부재는 일측단부가 상기 제1접합단부재의 단부형상에 대응하는 형상으로 이루어지고 타측단부는 정척 규격화 철근의 단부에 접합되고 상기 일측단부로 부터 이격되고 축방향으로의 일단부가 길이방향에 대하여 예각, 직각 및 둔각 중 선택된 어느 하나의 각도를 이루는 하나 또는 복수의 단턱이 구비되는 부재인 것을 특징으로 하는 맞대기 이음장치가 일체화된 정척 규격화 철근에 의한 철근구조물의 시공방법.
- 제11항에 있어서,상기 제2접합단부재 측에는 체결소켓이 가결합되되,상기 체결소켓은 길이방향으로 개구되어 상기 제2접합단부재의 외면과 제1접합단부재의 외면을 둘러 수용할 수 있도록 길이방향 으로 연장형성되고, 내면에는 상기 제1접합단부재의 체결소켓 결합용 수나사부에 나사결합되는 체결소켓 결합용 암나사부가 길이방향으로 형성되고, 상기 제2접합단부재의 단턱에 걸림되고 길이방향에 대하여 예각, 직각 및 둔각 중 선택된 어느 하나의 각도를 이루는 하나 또는 복수의 걸림턱이 구비된 중공형상의 부재인 것을 특징으로 하는 맞대기 이음장치가 일체화된 정척 규격화 철근에 의한 철근구조물의 시공방법.
- 제1항에 있어서,상기 수나사부에는하나의 슬리브 또는 다른 하나의 슬리브가 결합되되,일단부 수나사부에 하나의 슬리브가 결합되는 경우, 일단부 수나사부에 다른 하나의 슬리브가 결합되는 경우, 양단부 수나사부에 하나의 슬리브가 결합되는 경우, 양단부 수나사부에 다른 하나의 슬리브가 결합되는 경우, 일단부 수나사부에는 하나의 슬리브, 타단부 수나사부에는 다른 하나의 슬리브가 결합되는 경우의 선택군 중 선택된 어느 하나이고,상기 하나의 슬리브는 내면에 암나사부가 형성되고, 외면에 수나사부가 형성된 부재이고,상기 다른 하나의 슬리브는 내면에 암나사부가 형성되고, 축 방향으로 일단부가 중심축선에 대해 수직인 평행한 면으로 이루어진 제1걸림턱이 형성된 부재인 것을 특징으로 하는 맞대기 이음장치가 일체화된 정척 규격화 철근에 의한 철근구조물의 시공방법.
- 제13항에 있어서,상기 다른 하나의 슬리브 측에는 결합소켓이 가결합 되되,상기 결합소켓은 내면에 상기 하나의 슬리브의 수나사부와 나사 체결되는 암나사부가 형성되고, 상기 다른 하나의 슬리브의 제1걸림턱과 맞대지면서 걸림 작용을 하도록 일단부의 내면에 원 중심 방향으로 돌출된 걸림턱이 형성된 부재인 것을 특징으로 하는 맞대기 이음장치가 일체화된 정척 규격화 철근에 의한 철근구조물의 시공방법.
- 제1항에 있어서,기둥에 사용되는 정척 규격화 철근을 보에 사용하거나, 보에 사용되는 정척 규격화 철근을 기둥에 사용할 수 있는 것을 특징으로 하는 맞대기 이음장치가 일체화된 정척 규격화 철근에 의한 철근구조물의 시공방법.
- 제1항에 있어서,상기 맞대기 이음장치가 일체화된 정척 규격화 철근은 복수 개가 선조립 되어 정척 규격화 철근에 의한 선조립 철근망을 이루는 것을 특징으로 하는 맞대기 이음장치가 일체화된 정척 규격화 철근에 의한 철근구조물의 시공방법.
- 철근의 재질, 직경을 결정한 후 일단에서 타단까지의 길이규격인 정척 규격화 길이치수를 정하여 절단할 철근에 부여하고, 부여된 길이치수에 따라 정척 길이로 상기 철근을 절단하되, 상기 정척으로 절단된 철근의 맞대기 이음을 위한 맞대기 이음장치의 종류를 결정하여 상기 정척 규격화 길이에 의하여 정척으로 절단된 철근의 일단 또는 양단에 상기 맞대기 이음장치를 형성하여 이음장치가 일체화되는 것을 특징으로 하는 맞대기 이음장치가 일체화된 정척 규격화 철근.
- 제17항에 있어서,상기 정척 규격화 철근은1개 층고 내지 4개 층고 또는 기둥 사이를 연결하는 보 길이의 1배 길이 내지 4배 길이에 적용이 가능하도록 차등된 길이로 각각 복수 개 형성되는 것을 특징으로 하는 맞대기 이음장치가 일체화된 정척 규격화 철근.
- 제17항에 있어서,상기 맞대기 이음장치가 일체화된 정척 규격화 철근은 복수 개가 선조립 되어 정척 규격화 철근에 의한 선조립 철근망을 이루는 것을 특징으로 하는 맞대기 이음장치가 일체화된 정척 규격화 철근.
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JP2023554072A JP7479743B2 (ja) | 2021-03-11 | 2022-02-07 | 突合せ継手装置が一体化された定尺規格化鉄筋及びこれを用いた鉄筋構造物の施工方法 |
AU2022233992A AU2022233992A1 (en) | 2021-03-11 | 2022-02-07 | Standard-sized reinforcing bar integrated with butt joint device, and method for constructing reinforcing bar structure by using same |
CN202280018715.2A CN116964287A (zh) | 2021-03-11 | 2022-02-07 | 对接装置一体化的定长标准化钢筋及利用其的钢筋结构物施工方法 |
CA3212843A CA3212843A1 (en) | 2021-03-11 | 2022-02-07 | Length-determined standardized reinforcing bar integrated with butt joint device, and method for constructing reinforcing bar structure by using same |
US18/279,845 US20240044138A1 (en) | 2021-03-11 | 2022-02-07 | Length-determined standardized reinforcing bar integrated with butt joint device, and method for constructing reinforcing bar structure by using same |
EP22767338.1A EP4306741A1 (en) | 2021-03-11 | 2022-02-07 | Standard-sized reinforcing bar integrated with butt joint device, and method for constructing reinforcing bar structure by using same |
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KR102254575B1 (ko) | 2021-05-21 |
CN116964287A (zh) | 2023-10-27 |
AU2022233992A1 (en) | 2023-10-12 |
CA3212843A1 (en) | 2022-09-15 |
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