WO2010062078A2 - Assemblage pour produits en béton - Google Patents

Assemblage pour produits en béton Download PDF

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Publication number
WO2010062078A2
WO2010062078A2 PCT/KR2009/006743 KR2009006743W WO2010062078A2 WO 2010062078 A2 WO2010062078 A2 WO 2010062078A2 KR 2009006743 W KR2009006743 W KR 2009006743W WO 2010062078 A2 WO2010062078 A2 WO 2010062078A2
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WO
WIPO (PCT)
Prior art keywords
steel wire
concrete
culvert
concrete member
tensile steel
Prior art date
Application number
PCT/KR2009/006743
Other languages
English (en)
Korean (ko)
Other versions
WO2010062078A3 (fr
Inventor
최승선
Original Assignee
Choe Seung Seon
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Choe Seung Seon filed Critical Choe Seung Seon
Publication of WO2010062078A2 publication Critical patent/WO2010062078A2/fr
Publication of WO2010062078A3 publication Critical patent/WO2010062078A3/fr

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    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00—Independent underground or underwater structures; Retaining walls
    • E02D29/045—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F3/00—Sewer pipe-line systems
    • E03F3/04—Pipes or fittings specially adapted to sewers
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
    • E21D11/04—Lining with building materials
    • E21D11/08—Lining with building materials with preformed concrete slabs
    • E21D11/083—Methods or devices for joining adjacent concrete segments

Definitions

  • the present invention relates to prefabricated PC culverts and concrete product assemblies such as manholes, water pipes, and the like.
  • sewers, electric power stations, communication districts, joint districts, etc. are installed to induce discharged sewage to sewage treatment plants or to lay cables providing electric power and communication services to homes.
  • a buried road is formed, and the prefabricated culverts made of precast concrete (PC) are connected to each other to install sewers, electric power ports, communication ports, and joint holes.
  • PC precast concrete
  • Such culverts should be arranged in such a way that culverts are connected to each other as shown in FIG. 1.
  • the culverts are arranged in positions to be laid respectively, and then closely connected.
  • a hole penetrating in the longitudinal direction of the culvert and communicating with each other is formed in the corner portion of the culvert, and after inserting a tensile wire into the hole, the culverts are pressed and fixed to each other.
  • a fixing hole is formed in the inner surface of the culvert exposed end of the tensile steel wire is made to secure or pull the end of the tensile steel wire.
  • each culvert is filled with mortar to improve the watertightness.
  • the conventional culvert fastening method has the following problems.
  • each of the culverts are supported by the ground, as shown in Figure 2, when unequal settlement occurs in the ground supporting each of the culverts, only one of the culverts is largely settled to provide adhesion to the culverts A large stress is generated in the tensile steel, and the tensile steel is stretched by creep after a long time. Therefore, the tension of the tensile steel is weakened and the adhesion of the culvert is weakened.
  • the tension of the tensile wire is concentrated on only one side, so that the adhesion between the culvert may be weakened and may cause premature breakage of the tensile steel or culvert.
  • the above problems are not limited to culverts, but may also occur in the installation of concrete product assemblies that are pre-fabricated in the form of divided parts as concrete, such as manholes and water pipes.
  • the present invention is to solve the problems as described above, the object of the present invention is to provide a concrete product assembly that is effectively maintained in close contact between each part to be assembled and installed in the field in the form of divided parts as concrete.
  • the present invention is installed on the first concrete member made of concrete, the second concrete member coupled to one side of the first concrete member, the joint surface of the first concrete member and the second concrete member It is interlocked with the fastening portion and the fastening portion provided in the first concrete member and the second concrete member in order to be tensioned in the longitudinal direction of the bottom joining surface, and when the tension is pulled, the first concrete member and the second concrete member is in close contact It provides a concrete product assembly comprising a tensile steel wire.
  • the fastening part may include an insert nut provided at each joint surface of the first concrete member and the second concrete member, and a fastening bolt fastened to the insert nut and having a through hole through which the tensile steel wire passes. Can be.
  • fastening bolts provided on the joining surface of the first concrete member and the fastening bolts installed on the joining surface of the second concrete member may be installed in a staggered position when the first concrete member and the second concrete member are joined. have.
  • the fastening part may include an insert nut provided on each joint surface of the first concrete member, a fastening bolt fastened to the insert nut, and fixed to an end of the tensile steel wire.
  • the fixing bolt, the tapered hollow may be formed so as to narrow toward the opposite side of the tension wire in the tension direction.
  • the steel wire fixing device is made to be fixed to the tension wire is fixed to the fixing bolt may be further provided.
  • the steel wire fixing device may be formed to have a hollow formed so that the end is fixed to the tensile steel wire, and an outer circumferential surface tapered to narrow toward the opposite side of the direction in which the tensile steel wire is tensioned.
  • the steel wire fixing device may be divided into a plurality.
  • the steel wire fixing device is inserted into the inner circumferential surface of the fixing bolt, and pressed to one side by the tension of the tensile steel wire can be made to increase the fixing force fixed by the tapered inner circumferential surface of the fixing bolt fixed to the tensile steel wire. have.
  • a groove into which a rubber ring friction with the inner circumferential surface of the fixing bolt is inserted may be provided along the circumference of the steel wire fixing device.
  • the fixing bolt is formed so that the hole through which the tensile steel wire passes, and is supported on one surface of the fixing bolt and a tapered hole formed therein, the outer peripheral surface is inserted into the hole of the support tab It is formed to be tapered to be fixed after, the steel wire fixing device in which the hollow through which the tensile steel wire is formed may be further included.
  • the insert nut may include a nut part having a fastening hole into which the fixing bolt is inserted, and a reinforcing flange extending in a radially outward direction from an outer circumferential surface of the nut part in a longitudinal direction of the nut part.
  • the reinforcing flange may be formed to be inclined closer to the nut portion toward the rear side, and a stress distribution rib may be further formed along the inclined end of the reinforcing flange to have a width wider than the cross-sectional width of the reinforcing flange.
  • the fastening part is provided on any one of the joining surfaces of the first concrete member and the second concrete member, the plug key formed so as to narrow the diameter toward the end, when the first concrete member and the second concrete member is coupled
  • the first nut block and the second concrete block may further include an insert nut provided on the other joining surface of the second concrete block.
  • Mortar grooves forming a space in which a watertight material is filled in at least one side of the joining surfaces of the first concrete member and the second concrete member may be formed along each joining surface of the first concrete member and the second concrete member.
  • the fastening part may be located inside the mortar groove.
  • a shear preventing block forming groove may be further formed at a portion in which the fastening portion of the mortar groove is installed, and a side of the mortar groove is deeper than the mortar groove.
  • the tensile steel wire may include a wire rope, PC strands provided at both ends of the wire rope, and fixed grips for joining the wire ropes and the PC strands.
  • the present invention is disposed in the height or width direction of the culvert, so that its length can be shortened, so that the same load as the prior art acts upon uneven settlement of the ground.
  • the length of the culvert can be shortened even if it is minimized, thereby minimizing watertight destruction, sewage outflow, groundwater inflow, and corrosion of tensile steel.
  • the culvert needs to be filled in the fixing hole after closely contacting the culvert, but the prefabricated culvert according to the present invention does not need the fixing hole in the middle of the culvert, and thus does not need the corresponding work, thereby improving workability and productivity.
  • the part combined with the steel wire fixing device of the tensile steel wire is composed of PC steel wire instead of the wire rope, so that the fixing force with the steel wire fixing device is increased, and the other parts are made of the wire rope so that the bending is free and the work becomes easier. It works.
  • the insert nut is provided with a reinforcing flange and stress distribution ribs, the force applied to the main surface of the insert nut is not concentrated and dispersed, thereby preventing the insert nut and the insert nut embedded concrete product from being damaged.
  • the shear preventing block is formed by the shear preventing block forming grooves formed around the fastening portion, so that the fastening portion can be protected.
  • the shear preventing block has a coupling surface of the first body block and the second body block that are staggered in the shear direction. It is effective to prevent that.
  • the coupling of the first culvert and the second culvert is guided while the plug key is first inserted into the insert nut.
  • the plug key has an effect of preventing the first and second culverts from moving in the vertical direction or the left and right directions.
  • FIG. 1 is a perspective view showing a part of a conventional prefabricated culvert
  • Figure 2 is a side view showing a state in which the ground supporting the conventional prefabricated culvert is unevenly settled;
  • FIG. 3 is a perspective view of a first culvert according to a first embodiment of a concrete product assembly of the present invention
  • FIG. 4 is a cross-sectional view showing a joining surface of the first culvert and the second culvert according to the first embodiment of the concrete product assembly of the present invention
  • FIG. 5 is a cross-sectional view showing an insert nut and a fastening bolt according to the first embodiment of the concrete product assembly of the present invention
  • FIG. 6 is a cross-sectional view showing an insert nut, a first fixing bolt and a steel wire fixing device according to a first embodiment of a concrete product assembly of the present invention
  • FIG. 7 is an exploded perspective view showing the steel wire fixing device according to the first embodiment of the concrete product assembly of the present invention.
  • FIG. 8 is a cross-sectional view showing an insert nut, a second fixing bolt, a support tab, and a steel wire fixing device according to a first embodiment of a concrete product assembly of the present invention
  • FIG. 9 is a cross-sectional view showing a state in which a tensile steel wire is woven to the fastening bolt and the first fixing bolt and the second fixing bolt of Figure 4;
  • FIG. 10 is a cross-sectional view showing a tension state in which the tensile steel wire of Figure 9 is pulled;
  • FIG. 11 is a cross-sectional view illustrating a state in which the tensile steel wire of FIG. 10 is cut and supported by a second fixing bolt;
  • FIG. 12 is a cross-sectional view illustrating mortar filled in mortar grooves of the first and second culverts of FIG. 11;
  • FIG. 13 is a sectional view of the bonding surface of the first and second culverts of FIG. 12 viewed from different angles;
  • FIG. 14 is a perspective view showing a first culvert of a concrete product assembly according to a second embodiment of the present invention.
  • FIG. 15 is an exploded perspective view illustrating a fixing bolt and a steel wire fixing device provided at the bonding surface of FIG. 14;
  • FIG. 16 is a perspective view illustrating an insert nut to which a fixing bolt provided at the bonding surface of FIG. 14 is coupled;
  • 17 is a cross-sectional view showing the plug key and the insert nut provided in the bonding surface of FIG.
  • FIG. 18 is a cross-sectional view showing a tensile steel wire of the concrete product assembly according to the second embodiment of the present invention.
  • FIG. 19 is an enlarged perspective view of a part of the bonding surface of FIG. 14;
  • FIG. 20 is a cross-sectional view showing a state in which the coupling between the first culvert and the second culvert according to the second embodiment of the present invention is completed;
  • 21 is a perspective view showing a first concrete member and a second concrete member according to a third embodiment of the present invention.
  • FIG. 22 is a perspective view illustrating a first concrete member and a second concrete member according to a fourth embodiment of the present invention.
  • the concrete product assembly according to the first embodiment of the present invention may include a first concrete member, a second concrete member, a fastening portion, and a tensile steel wire.
  • the concrete product assembly will be described by taking a PC culvert that is pre-molded with concrete and then assembled in the field. That is, in the description of the present embodiment, the first concrete member is represented by the first culvert, and the second concrete member is represented by the second culvert. Accordingly, the concrete assembly may include a first culvert and a second culvert, and a fastening portion and a tensile steel wire.
  • the first culvert 100 may be formed in a quadrangular shape such that the cavity 102 is formed therein.
  • a second culvert 200 is provided on one side of the first culvert 100.
  • the second culvert 200 is formed such that the hollow sphere formed therein communicates with the hollow sphere of the first culvert 100.
  • first culvert 100 and the second culvert 200 may take a variety of cross-sectional shape, in this embodiment the cross section of the first culvert 100 and the second culvert 200 is in the shape of a substantially rectangular. To take, the cavity sphere 102 is communicated with each other is formed inside.
  • first culvert 100 and the second culvert 200, as well as the first concrete member and the second concrete member may be formed in a cross-section of various shapes of the shape of L and T-shaped or O-shaped. .
  • the first culvert 100 and the second culvert 200 are coupled to each other, the surfaces that abut each other will be referred to as a bonding surface.
  • the joining portions of the first culvert 100 and the second culvert 200 include insert nuts 110 and 210 and fastening bolts 120 and 220 at predetermined positions. It is provided.
  • FIG 3 illustrates a fastening part including the insert nut 110 and the fastening bolt 120 provided along the height direction of the first culvert 100 on both sides of the joint surface of the first culvert 100. .
  • the engaging surface of the second culvert 200 is also made of a symmetrical form with the engaging surface of the first culvert 100, the fastening portion consisting of the insert nut 210 and the fastening bolt 220 is the second culvert 200 ) Is provided along the height direction of the second culvert 200 on both sides of the bonding surface.
  • the tensile steel wire 300 is inserted into the fastening bolts 120 and 220 facing each other in one row when the first culvert 100 and the second culvert 200 are coupled, as shown in FIG. 9. do.
  • Another tensile steel wire 300 is inserted into the fastening bolts 120 and 220 facing each other in the other rows.
  • the tensile steel wire 300 pulls the fastening bolts 120 and 220 of the first culvert 100 and the second culvert 200 facing each other as the tension of the first culvert 100 and the second culvert ( 200) by pulling the components are in close contact with each other.
  • the tensile steel wire 300 is also tensioned in the height direction of the culvert, which is the longitudinal direction of the joint surface of the culvert or the longitudinal direction of the culvert It may be expressed in a direction intersecting with.
  • the fastening part may include an insert nut 110 and a fastening bolt 120.
  • the insert nut 110 is inserted into each joining surface when the first culvert 100 or the second culvert 200 is manufactured.
  • the insert nut 110 formed on the side of the first culvert 100 and the insert nut 210 formed on the side of the second culvert 200 facing the first culvert 100 and the second culvert ( 200 are formed at staggered positions so that they do not face each other when joined.
  • the fastening bolt 120 may have a screw thread formed at one side thereof to be fastened to the insert nut 110, and a through hole 122 through which the tensile steel wire 300 penetrates at the other side thereof.
  • each through hole of the fastening bolt 120 installed on the first culvert 100 and the fastening bolt 220 installed on the second culvert 200 has the first culvert 100 and the second culvert ( When the 200 is combined, it may be made to have a length so as not to overlap each other in the cross section.
  • the fastening part may include the insert nut and the fixing bolt.
  • the fixing bolt is a component for maintaining the tension by fixing the tensile steel wire 300 in a tensioned state.
  • the fixing bolt may be fastened to insert nuts 110 and 210 provided at both ends of one side of the first culvert 100 and the second culvert 200.
  • first fixing bolt 130 and the second fixing bolt 140 two types are disclosed as the first fixing bolt 130 and the second fixing bolt 140, and the first fixing bolt 130 and the second fixing bolt ( For example, 140 is installed in the first culvert 100.
  • first fixing bolt 130 and the second fixing bolt 140 two types are disclosed as the first fixing bolt 130 and the second fixing bolt 140, and the first fixing bolt 130 and the second fixing bolt ( For example, 140 is installed in the first culvert 100.
  • the present invention is not limited to the above examples and various combinations are possible.
  • the first fixing bolt 130 is a component for fixing one end of the tensile steel wire 300 to the culvert side, and is connected to the bonding surface of the first culvert 100.
  • One end of the insert nut 110 is installed, it may be fastened to the insert nut 110 is installed on the lower end.
  • the first fixing bolt 130 has a screw thread formed on an outer circumferential surface thereof so as to be fastened to the insert nut 110, and the inside of the first fixing bolt 130 is hollow, and the inner circumferential surface of the hollow is a tensile steel wire.
  • the taper may be formed to be narrowed toward the opposite side of the tensioned direction, that is, to the opposite side of the culvert.
  • a steel wire fixing device 310 may be provided at the end of the tensile steel wire 300.
  • the steel wire fixing device 310 is formed inside the hollow to be inserted and fixed to each end of the tensile steel wire 300, the outer circumferential surface thereof may be made to be wider toward the end of the tensile steel wire (300).
  • the steel wire fixing device 310 slides along the inner circumferential surface of the first fixing bolt 130 when the tensile steel wire 300 is tensioned, and compresses and fixes the tensile steel wire 300. It may be divided into two or more pieces divided in the longitudinal direction to facilitate the operation.
  • the outer circumferential surface of the steel wire fixing device 310 of the O-ring type for the purpose of integrating the steel wire fixing device 310 divided into two or more and suppress the movement of the steel wire fixing device in the direction of the insert nut (100).
  • a groove 312 into which the rubber ring 314 is inserted may be formed.
  • any one of the steel wire fixing device 310 of the steel wire fixing device 310 provided at both ends of the tensile steel wire 300 is inserted into the tapered inner peripheral surface of the first fixing bolt 130.
  • the maximum diameter of the steel wire fixing device 310 is preferably made larger than the minimum diameter of the tapered inner peripheral surface of the first fixing bolt (130). Therefore, the tensile steel wire 300 and the steel wire fixing device 310 may not be removed from the first fixing bolt 130.
  • the second fixing bolt 140 is a component in which the tensile steel wire 300 is fixed in a state where the tension of the tensile steel wire 300 is maintained after the tensioning operation.
  • the other end of the insert nut 110 provided on the surface on which the first fixing bolt 130 is installed is inserted into the insert nut 110 located at the other end.
  • the second fixing bolt 140 has a thread formed on an outer circumferential surface thereof so that one end thereof can be fastened to the insert nut 110, and a hole 142 through which a tensile steel wire can pass. Is formed.
  • the hole 142 may be formed in a direction in which the tensile steel wire 300 is pulled.
  • the second fixing bolt 140 is supported on the wall surface of the first culvert 100 when the tensile steel wire 300 is tensioned to lower the load to be applied to the second fixing bolt 140 more firmly It can be formed to extend.
  • a support tab 320 is inserted into the steel wire fixing device 310 of the other end of the tensile steel wire 300 to the outside of the second fixing bolt 140.
  • the support tab 320 is supported by the second fixing bolt 140, the hollow of the tapered form is widened toward the other end of the tensile steel wire 300 is formed. At this time, the minimum diameter of the inner peripheral surface of the second fixing bolt 140 side of the support tab 320 may be formed to be smaller than the minimum diameter of the steel wire fixing device (310).
  • the steel wire fixing device 310 of the other end of the tensile steel wire 300 is inserted into the inner circumferential surface of the support tab 320 and fixed, and the support tab 320 is supported by the second fixing bolt 140.
  • the support tab 320 and the steel wire fixing device 310 is not removed.
  • the mortar groove 106 may be formed on at least one side of the bonding surface of the first culvert 100 or the second culvert 200.
  • the term "formed in at least one of” means that the bonding surface on the side of the first culvert 100 or the second culvert 200 may be formed on the bonding surface or both bonding surfaces.
  • a fastening part including the insert nuts 110 and 210 and the fastening bolts 120 and 220 or the fastening bolts 130 and 140 may be located inside the mortar groove 106.
  • the index member 420 around the mortar groove 106 may be provided as a ring.
  • the fastening bolts 120 and 220 and the second fixing bolt 140 are inserted into the insert nuts 110 and 210 inserted into the joint surfaces of the first and second culverts 100 and 200. Install).
  • the tensile steel wire 300 penetrates through the installed second fixing bolt 140 and the fastening bolts 120 and 220 of the first culvert 100 and the second culvert 200. Install.
  • one end of the tensile steel wire 300 is inserted from the opposite side of the threaded portion of the through-hole formed in the first fixing bolt 130, and then the steel wire fixing device 310 is inserted into the end of the tensile steel wire 300 and the tensile steel wire 300 Pull) so that the steel wire fixing device 310 is inserted into the first fixing bolt 130, and the first fixing bolt 130 is fastened to the insert nut 110 of the bottom of the first culvert 100.
  • another method of fixing the tensile steel wire 300 on the side of the second fixing bolt 140 is the steel wire fixing device 130 and the support tab at the end of the tensile steel wire 300 before tensioning the tensile steel wire 300
  • the steel wire fixing device 130 and the support tab at the end of the tensile steel wire 300 After installing (320) first and tensioning the tensile steel wire (300) with the hydraulic jack 400, and then push the steel wire fixing device 310 into the inner through hole of the support tab 320 to fix the tensile steel wire (300)
  • a method of cutting the other end of the tensile steel wire 300 may be used.
  • the steel wire fixing device 310 installed at both ends of the tensile steel wire 300 is pulled by the tension, and the first fixing of the steel wire fixing device 310 is supported. Since the inner circumferential surface of the bolt 130 and the inner circumferential surface of the support tab 320 are inclined to be tapered, the steel wire fixing device 310 is not removed from the first fixing bolt 130 and the support tab 320 so that the tensile steel wire Tension of 300 may be maintained. In addition, the steel wire fixing device 310 may be pressed while being pulled by the tension of the tensile steel wire 300 may further increase the fixing force between the steel wire fixing device 310 and the tensile steel wire (300).
  • the end of the second fixing bolt 140 side of the steel wire fixing device 310 is made to be located in the mortar groove 106 without departing from the outside of the first culvert 100 or the second culvert 200. desirable.
  • the operation as described above may be made in each of the fastening portions provided on both sides of the joining surface of the first culvert 100 and the second culvert 200 to combine the first culvert 100 and the second culvert 200. .
  • a watertight material such as mortar 410 is injected into the mortar groove 106 through the mortar inlet 108. To enhance watertightness.
  • the tensile steel wire 300 and the fastening portion are located inside the mortar groove 106, the tensile steel wire 300 and the fastening bolts 120 and 220 by the mortar 410 as shown in FIGS. 12 and 13 and The first fixing bolt 130, the second fixing bolt 140, the support tab 320 is covered.
  • the mortar 410 may simultaneously serve as a watertight material for preventing sewage from leaking out of a culvert and at the same time serving as a coating material for preventing the tensile steel wire 300 and the fastening portion from being corroded by groundwater.
  • the mortar 410 is fixed so that the tensile steel wire 300 does not move, to prevent the phenomenon that the tension force is relaxed while moving after construction, the adhesion between the first culvert 100 and the second culvert 200 You can also keep it constant.
  • the concrete assembly of the present invention is one tensile steel wire 300 in the fastening portion formed on both sides of the joint surface of the first culvert 100 and the second culvert 200 It can also be constructed by fastening all together.
  • the fastening portion formed on both sides of the joint surface of the first culvert 100 and the second culvert 200 as one tensile steel wire After penetrating, one end of the tensile steel wire 300 is fixed to the second fixing bolt 140 formed on one side of the joint surface using the support tab 320 and the steel wire fixing device 310, and the tensile steel wire 300 The other end of the) is fixed to the second fixing bolt 140 formed on the other side of the bonding surface using the support tab 320 and the steel wire fixing device 310.
  • both ends of the tensile steel wire 300 may be cut to maintain the tension force.
  • the concrete assembly includes a first culvert 100, a second culvert 200, a fastening part 500, and a tensile steel wire 600.
  • the first culvert 100 may be formed in a quadrangular shape so that the hollow sphere in which the power transmission cable and the device is located.
  • the second culvert 200 may be coupled to one side of the first culvert 100 and form a cavity that communicates with the cavity inside the first culvert 100.
  • the first culvert 100 and the second culvert 200 may be coupled in series to adjust the overall length of the concrete assembly.
  • the first culvert 100 and the second culvert 200 are fastened by compression through the fastening part 500 and the tensile steel wire 600.
  • the fastening part 500 may include an insert nut, a fastening bolt 510, and a fastening bolt 520.
  • the surface where the first culvert 100 and the second culvert 200 are coupled to each other and abuts will be referred to as a bonding surface 106.
  • the fastening bolt 510 and the fastening bolt 520 are joined to the joint surface of the first culvert 100 and the second culvert 200 at predetermined intervals along the joint surface 106.
  • a plurality is provided.
  • the fastening bolt 510 and the fastening bolt 520 are provided along the height direction of the first culvert 100 on both sides of the joint surface 106 of the first culvert 100. have.
  • the joining surface of the second culvert 200 is also formed in a symmetrical form with the joining surface 106 of the first culvert 100, the fastening bolt 510 and the fixing bolt 520 is the second culvert Both sides of the bonding surface of the 200 may be provided along the height direction of the second culvert.
  • the insert nut is substantially the same as the insert nut 110 of the above-described embodiment, a detailed description thereof will be omitted.
  • the tensile steel wire 600 is inserted into the fastening bolt 510 and the fixing bolt 520 disposed to face each other of the first culvert 100 and the second culvert 200, the tension after being inserted While pulling the fastening bolt 510 of the first culvert 100 and the fastening bolt 510 of the second culvert 200 facing each other by its tension, the first culvert 100 and the second culvert 200 is a component for tightly fixing each other.
  • the fastening bolt 510 is formed with a through hole through which the tensile steel wire 600 penetrates, and a thread is fastened to an insert nut embedded in a joint surface. As shown in FIG. 20, the fastening bolt 510 provided on the joining surface 106 of the first culvert 100 and the joining surface 106 of the second culvert 200 are provided. The bolts 510 are formed at positions of staggered heights so that the first culvert 100 and the second culvert 200 do not face each other when they are coupled to each other.
  • the length of the fastening bolts 510 installed on the surfaces facing each other may also be formed to a length such that the first culvert 100 and the second culvert 200 do not overlap each other in a cross section when they are coupled to each other. have.
  • the fastening bolt 510 is formed along the joining surface 106, and the tensile steel wire 600 is connected to the joining surface 106 of the first culvert 100 and the joining surface of the second culvert 200. Inserted into the fastening bolts 510 staggered with each other is tensioned in the longitudinal direction of the joint surface. As the tension steel wire is tensioned, the fastening bolts 510 are pulled out, and thus the tension acts in a zigzag cross direction in the longitudinal direction of the joint surface 106.
  • the fixing bolt 520 is a component for maintaining the tension by fixing the tensile steel wire 600 in a tensioned state.
  • the fixing bolt 520 may be provided at a corner portion of the bonding surface of the first culvert 100 or the second culvert 200 as shown in FIGS. 14 and 15.
  • the fixing bolt 520 is formed with a screw thread on the outer circumferential surface to be fastened to the insert nut on one side, the inside may be hollow.
  • the hollow inner circumferential surface 522 may be formed to be tapered to narrow toward the opposite side of the tension wire direction.
  • a steel wire fixing device 310 may be provided at the end of the tensile steel wire 600.
  • the steel wire fixing device 310 is formed with a fixing hole 316 is formed on the inner circumferential surface so that each end of the tensile steel wire 600 is inserted and fixed, the outer circumferential surface is a direction in which the tensile steel wire is tensioned, that is, tensile steel wire ( Toward the end of the 600 may be formed to be tapered to widen the diameter.
  • the tensile steel wire 600 is tensioned into two or more pieces in the longitudinal direction to slide along the tapered inner hollow 522 of the fixing bolt 520 to compress and tighten the tensile steel wire 600 Can be divided.
  • the outer circumferential surface of the steel wire fixing device 310 is integrated with the steel wire fixing device 310 divided into two or more and the steel wire fixing device 310 is moved within the inner circumferential surface 522 of the fixing bolt 520.
  • a groove into which an O-ring rubber ring 314 is inserted may be formed.
  • any one of the steel wire fixing device 310 of the steel wire fixing device 310 provided at each end of the tensile steel wire 600 is inserted into the coupling hole of the fixing bolt 520.
  • the maximum diameter of the steel wire fixing device 310 is preferably made larger than the minimum diameter of the tapered coupling hole 522 of the fixing bolt 520. Accordingly, when tension is applied to the tensile steel wire 600 and the steel wire fixing device 310 is not removed from the fixing bolt 520, the divided steel wire fixing device 310 is compressed as the tension is applied. The tensile steel wire 600 can be more strongly fixed.
  • the fixing bolt 520 is also fastened to the insert nut embedded in the joint surface 106, the fixing bolt 520 is subjected to a force upward or downward as the tension steel wire 600 is tensioned. As a result, excessive stress may be concentrated around the insert nut to which the fixing bolt 520 is fastened to cause breakage of the first culvert 100 or the second culvert 200.
  • the insert nut 540 to which the fixing bolt 520 is fastened may include a reinforcing flange 544 and a dispersing flange 544 in order to disperse the force applied around the insert nut 540. It may include a stress distribution rib 546.
  • the reinforcing flange 544 extends in the radially outward direction from the outer circumferential surface of the nut portion 542 along the longitudinal direction of the outer circumferential surface of the nut portion 542 in which the fastening hole into which the fixing bolt 520 is inserted is formed. It is formed to be inclined closer to the nut portion 542 toward the rear side.
  • the insert nut 540 embedded in the upper portion of the joining surface 106 is pulled downward, and the insert nut 540 embedded in the lower portion of the joining surface 106 is pulled upward, so that the insert
  • the nut 540 is preferably embedded in the joining surface 106 such that the direction in which the reinforcing flange 544 faces is in the direction in which the insert nut 540 is pulled.
  • stress dispersion rib 546 is formed in a blunt form having a wider width than the cross-sectional width of the reinforcing flange 314 along the end of the inclined reinforcing flange (544).
  • the fastening part 500 may further include a plug key.
  • the plug key 550 protrudes and extends toward the bonding surface opposite to the bonding surface of the first culvert 100 or the second culvert 200. To the end, it is formed to be inclined so that the diameter becomes narrower.
  • an insert nut 552 is inserted into the opposite joining surface provided with the plug key 550 to insert the plug key 550 when the first culvert 100 and the second culvert 200 are coupled to each other. do.
  • the plug 550 having the inclined end portion is inserted into the insert nut 552 opposite to the first culvert 100 and the second culvert 200.
  • the coupling position of the two culverts 200 is guided, and after the coupling, the first culvert 100 and the second culvert 200 are prevented from interlacing in the shear direction in the vertical direction or the left and right directions. That is, the plug key 550 serves as a shear key for preventing slippage of the joining surface 106 of the first culvert 100 and the second culvert 200.
  • the tensile steel wire 600 as shown in Figure 18, by pulling the fastening bolts 510 to fix the first culvert 100 and the second culvert 200 by the strong tensile strength and can be bent It is made of a wire rope 610.
  • the wire rope 610 may be difficult to be fixed with the steel wire fixing device 310 because of the slippery surface.
  • both ends of the tensile steel wire 600 coupled with the steel wire fixing device 310 are provided with the PC strand 620, and the wire rope 610 and the PC strand 620 are connected to each other.
  • Fixing grip 630 may be provided.
  • the fixed grip 630 is a component for crimping and fixing the end of the wire rope 610 and the end of the PC strand 620.
  • the part fixed to the steel wire fixing device in which the frictional force is important is made of the PC strand (620), the center portion of the tension and flexibility is important is made of the wire rope 610, satisfying all the conditions of frictional force and tension and flexibility You can.
  • the mortar groove 106 is formed to be stepped inward along the bonding surface of the first culvert 100 and the second culvert 200.
  • the mortar groove 106 is a groove filled with a watertight material such as mortar or concrete to form a space between the bonding surface of the first culvert 100 and the second culvert 200 coupled to each other.
  • the fastening part 500 is located inside the mortar groove 106, and a part provided with the fastening part 500 of the mortar groove 106 of the first culvert 100 and the second culvert 200. And a shear preventing block forming groove 109 formed stepped so as to be deeper than the mortar groove 106 on the opposite side of the bonding surface. In addition, the fastening part 500 is positioned inside the shear preventing block forming groove 109.
  • the mortar groove 106 is formed in the bonding surface 106
  • the shear preventing block forming groove 109 is formed in the mortar groove 106
  • the inside of the shear preventing block forming groove 109 The fastening part 500 is located.
  • a fastening bolt 510, a fastening bolt 520, and a plug key are inserted into insert nuts embedded in respective joint surfaces of the first and second culverts 100 and 200. 550) and the like.
  • the wire fixing device 310 is inserted into one end of the tensile steel wire 600 to the fixing bolt 520 installed on the lower or upper side.
  • the tensile steel wire 600 is inserted while crossing the through hole 512 of the fastening bolt 510 installed on the bonding surface of the first culvert 100 and the bonding surface of the second culvert 200.
  • the first culvert 100 and the second culvert 200 are combined, and then the tensile steel wire 600 is pulled and tensioned. .
  • the tension is applied to the tensile steel wire 600, the fastening bolt 510 of the first culvert 100 and the fastening bolt 510 of the second culvert 200 are pulled to form the first culvert 100 and the first. 2 culvert 200 is compressed.
  • the steel wire fixing device 310 is inserted into the other end of the tensile steel wire 600 and the fixing bolt 520 having one end of the tensile steel wire 600 fixed thereto. It is fixed by coupling to the fixing bolt 520 installed on the opposite side.
  • the mortar 410 is poured into the mortar groove 106.
  • concrete, non-shrink grouting material, cement mortar, foaming material such as a foam waterproofing agent may be used, such a casting material is functionally waterproof, the fastening bolt 510, fixing bolts 520 ), And covers a material that can protect the tensile steel wire 600 and the like.
  • the watertight material is the mortar groove 106 and the shear preventing block forming groove 109. ) And then hardened to fix the fixing bolt 520, the fastening bolt 510, and the tensile steel wire 600.
  • the shear preventing block 430 formed by the shear preventing block forming groove 109 is supported by the shear preventing block forming groove 109 so that the first culvert 100 and the second culvert 200 are up and down To prevent shearing.
  • a water pipe can also be applied.
  • a description will be given of a third embodiment to which the present invention is applied to a water pipe by using FIG. 21 as an example.
  • the concrete product assembly according to the present embodiment may include a first water pipe 700, a second water pipe 750, a fastening portion, and a tensile steel wire 300 (see FIG. 9).
  • the first water pipe 700 and the second water pipe 750 may be made of concrete, and may be formed to have a ⁇ -shaped cross-sectional shape in which a cavity is formed in the upper side thereof.
  • the second water pipe 750 is coupled to one side of the first water pipe 700, and at this time, the cavity of the first water pipe 700 and the cavity of the second water pipe 750 communicate with each other.
  • the surface in which the first water pipe 700 and the second water pipe 750 are coupled to each other will be referred to as a bonding surface.
  • the joint surface of the first water pipe 700 and the joint surface of the second water pipe 750 include an insert nut 710, a fastening bolt 713, and fastening bolts 713 and 714. Additional portions may be provided.
  • first concrete member and the second concrete member may be applied to blocks or retaining wall blocks used for partitions of rice fields or fields, in addition to culverts that are manufactured and assembled in the field.
  • a description will be given of a fourth embodiment to which the present invention is applied to a block by referring to FIG. 22 as an example.
  • the concrete product assembly may include a first block 800 and a second block 850, a fastening part, and a tensile steel wire 300 (see FIG. 9).
  • the first block 800 and the second block 850 are made of concrete, and formed to form a cross-section having an approximately T-shape, and are used in a block of a rice field or a field, or in a block forming a retaining wall to prevent the loss of soil. Can be used.
  • the second block 850 is coupled to one side of the first block 800.
  • the surface where the first block 800 and the second block 850 are coupled to each other will be referred to as a bonding surface.
  • the joint surface of the first block 800 and the joint surface of the second block 850 include an insert nut 810, a fastening bolt 812, and a fastening bolt 813, 814. Additional portions may be provided.
  • the cross-sectional shape of the first block 800 and the second block 850 is not limited to the T-shape, but may take various forms such as I-shaped or L-shaped and O-shaped.
  • the present invention can also be applied to the assembly of the manhole prefabricated and assembled in the field. That is, the fastening portion and the tensile steel wire may be provided on each joint surface of the manhole divided into an upper sphere and a lower sphere.
  • the present invention can be applied to the combination of a variety of concrete facilities, such as a pre-fabricated in the form of parts in addition to the water pipe, sewage pipe, partition block in addition to the above-described PC culvert.

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  • Structural Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Architecture (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Civil Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Paleontology (AREA)
  • General Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
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  • Water Supply & Treatment (AREA)
  • Sewage (AREA)
  • Panels For Use In Building Construction (AREA)

Abstract

L’invention concerne un assemblage pour produits en béton, qui comprend un premier élément en béton fait de béton; un second élément en béton couplé à un côté du premier élément en béton; un joint installé sur les surfaces de contact entre le premier et le second élément en béton; et un fil d'acier de traction inséré dans les joints installés au niveau du premier et du second élément en béton et étiré de sorte que sa tension agisse dans la direction d'intersection de la direction longitudinale du premier et du second élément en béton pour tirer ces joints et assurer un contact serré entre le premier et le second élément en béton.
PCT/KR2009/006743 2008-11-27 2009-11-17 Assemblage pour produits en béton WO2010062078A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2008-0118552 2008-11-27
KR1020080118552A KR101012307B1 (ko) 2008-11-27 2008-11-27 콘크리트 제품 어셈블리

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WO2010062078A2 true WO2010062078A2 (fr) 2010-06-03
WO2010062078A3 WO2010062078A3 (fr) 2010-08-19

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KR (1) KR101012307B1 (fr)
WO (1) WO2010062078A2 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018056800A1 (fr) * 2016-09-23 2018-03-29 Lee Hoon Pooi Système d'autorisation de stationnement
CN115262434A (zh) * 2022-09-27 2022-11-01 山西建投建筑产业有限公司 装配整体式四舱排洪箱涵加腋结构及建造方法

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107100643A (zh) * 2017-05-24 2017-08-29 上海市隧道工程轨道交通设计研究院 用于隧道预制混凝土管片的装配式快速接头及其应用方法
KR102484259B1 (ko) * 2022-08-29 2023-01-04 주식회사 케이씨산업 양방향 급속시공형 pc 암거 및 그 시공방법

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200211308Y1 (ko) * 2000-06-10 2001-01-15 윤승언 조립식 암거의 종방향 결합 구조
KR200407613Y1 (ko) * 2005-10-26 2006-02-02 양학래 볼트 체결 구조를 갖는 프리캐스트 콘크리트 박스
KR20060069419A (ko) * 2006-06-02 2006-06-21 류용진 수밀성 및 가요성을 갖는 철근 콘크리트 프리캐스트 박스암거와 이 암거의 시공 구조 및 방법
KR20070077824A (ko) * 2006-01-25 2007-07-30 두우균 볼트 체결 구조를 갖는 프리캐스트 콘크리트 박스 암거의시공 방법
KR100824833B1 (ko) * 2006-09-13 2008-04-23 이수호 연결고리에 강재핀을 삽입하여 연결하는 조립식 피씨암거.

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100431116B1 (ko) * 2000-08-02 2004-05-20 주식회사 팜텍 열전반도체를 이용한 냉각방식의 방제용 헬멧
CN1294121C (zh) * 2001-05-31 2007-01-10 日本农药株式会社 取代的酰基苯胺衍生物、其中间体、农业与园艺化学品及其用途

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200211308Y1 (ko) * 2000-06-10 2001-01-15 윤승언 조립식 암거의 종방향 결합 구조
KR200407613Y1 (ko) * 2005-10-26 2006-02-02 양학래 볼트 체결 구조를 갖는 프리캐스트 콘크리트 박스
KR20070077824A (ko) * 2006-01-25 2007-07-30 두우균 볼트 체결 구조를 갖는 프리캐스트 콘크리트 박스 암거의시공 방법
KR20060069419A (ko) * 2006-06-02 2006-06-21 류용진 수밀성 및 가요성을 갖는 철근 콘크리트 프리캐스트 박스암거와 이 암거의 시공 구조 및 방법
KR100824833B1 (ko) * 2006-09-13 2008-04-23 이수호 연결고리에 강재핀을 삽입하여 연결하는 조립식 피씨암거.

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018056800A1 (fr) * 2016-09-23 2018-03-29 Lee Hoon Pooi Système d'autorisation de stationnement
CN115262434A (zh) * 2022-09-27 2022-11-01 山西建投建筑产业有限公司 装配整体式四舱排洪箱涵加腋结构及建造方法

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KR20100060106A (ko) 2010-06-07
WO2010062078A3 (fr) 2010-08-19
KR101012307B1 (ko) 2011-02-10

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