US20180245366A1 - Seismic construction method of building slab - Google Patents

Seismic construction method of building slab Download PDF

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Publication number
US20180245366A1
US20180245366A1 US15/756,030 US201615756030A US2018245366A1 US 20180245366 A1 US20180245366 A1 US 20180245366A1 US 201615756030 A US201615756030 A US 201615756030A US 2018245366 A1 US2018245366 A1 US 2018245366A1
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Prior art keywords
slab
external wall
installing
block
construction method
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US15/756,030
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English (en)
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Won Ok CHOI
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Hyang Soo Kwan
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Hyang Soo Kwan
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Assigned to HYANG SOO KWAN, CHOI, WON OK reassignment HYANG SOO KWAN ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: CHOI, WON OK
Publication of US20180245366A1 publication Critical patent/US20180245366A1/en
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
    • E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
    • E04H9/024—Structures with steel columns and beams
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/02—Structures consisting primarily of load-supporting, block-shaped, or slab-shaped elements
    • E04B1/04—Structures consisting primarily of load-supporting, block-shaped, or slab-shaped elements the elements consisting of concrete, e.g. reinforced concrete, or other stone-like material
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
    • E04B1/2403—Connection details of the elongated load-supporting parts
    • E04B1/985—
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/02—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls built-up from layers of building elements
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/02—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls built-up from layers of building elements
    • E04B2/42—Walls having cavities between, as well as in, the elements; Walls of elements each consisting of two or more parts, kept in distance by means of spacers, at least one of the parts having cavities
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/02—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls built-up from layers of building elements
    • E04B2/42—Walls having cavities between, as well as in, the elements; Walls of elements each consisting of two or more parts, kept in distance by means of spacers, at least one of the parts having cavities
    • E04B2/50—Walls having cavities between, as well as in, the elements; Walls of elements each consisting of two or more parts, kept in distance by means of spacers, at least one of the parts having cavities using elements having a general shape differing from that of a parallelepiped
    • E—FIXED CONSTRUCTIONS
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    • E04B2/02—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls built-up from layers of building elements
    • E04B2/42—Walls having cavities between, as well as in, the elements; Walls of elements each consisting of two or more parts, kept in distance by means of spacers, at least one of the parts having cavities
    • E04B2/52—Walls having cavities between, as well as in, the elements; Walls of elements each consisting of two or more parts, kept in distance by means of spacers, at least one of the parts having cavities the walls being characterised by fillings in some of the cavities forming load-bearing pillars or beams
    • E—FIXED CONSTRUCTIONS
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    • E04B2/56—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members
    • E04B2/58—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members with elongated members of metal
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
    • E04B5/02—Load-carrying floor structures formed substantially of prefabricated units
    • E04B5/04—Load-carrying floor structures formed substantially of prefabricated units with beams or slabs of concrete or other stone-like material, e.g. asbestos cement
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
    • E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
    • E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
    • E04H9/0215—Bearing, supporting or connecting constructions specially adapted for such buildings involving active or passive dynamic mass damping systems
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
    • E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
    • E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
    • E04H9/022—Bearing, supporting or connecting constructions specially adapted for such buildings and comprising laminated structures of alternating elastomeric and rigid layers
    • E—FIXED CONSTRUCTIONS
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    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
    • E04B1/2403—Connection details of the elongated load-supporting parts
    • E04B2001/2415—Brackets, gussets, joining plates
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
    • E04B1/2403—Connection details of the elongated load-supporting parts
    • E04B2001/2418—Details of bolting
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
    • E04B1/2403—Connection details of the elongated load-supporting parts
    • E04B2001/2454—Connections between open and closed section profiles
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
    • E04B1/2403—Connection details of the elongated load-supporting parts
    • E04B2001/2463—Connections to foundations
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
    • E04B2001/2484—Details of floor panels or slabs
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/02—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls built-up from layers of building elements
    • E04B2002/0202—Details of connections
    • E04B2002/0243—Separate connectors or inserts, e.g. pegs, pins or keys
    • E04B2002/0245—Pegs or pins
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/02—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls built-up from layers of building elements
    • E04B2002/0202—Details of connections
    • E04B2002/0243—Separate connectors or inserts, e.g. pegs, pins or keys
    • E04B2002/0254—Tie rods
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/56—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members
    • E04B2002/565—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members with a brick veneer facing
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2103/00—Material constitution of slabs, sheets or the like
    • E04B2103/02—Material constitution of slabs, sheets or the like of ceramics, concrete or other stone-like material
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2103/00—Material constitution of slabs, sheets or the like
    • E04B2103/06—Material constitution of slabs, sheets or the like of metal
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
    • E04B5/02—Load-carrying floor structures formed substantially of prefabricated units

Definitions

  • the present invention relates to a seismic construction method of a slab of a building, which is capable of obtaining a slab having high seismic resistance, when, during construction of a building, walls are formed using prefabricated blocks and a slab is installed to cross the walls consisting of the prefabricated blocks.
  • a seismic design of a building is made to counteract disasters such as earthquakes or strong winds or external forces transferred from the outside to the building.
  • a slab which structurally reinforces a pillar structure, a beam structure, and combined parts of pillars and a beam and which forms the floor or the ceiling of the building is supported on an auxiliary cast.
  • the beam structure and the slab are integrally constructed by depositing concrete.
  • a structure constructed as described above has low seismic performance, and particularly, the structural stability of a high-rise building is not easy to secure. Accordingly, it is difficult to guarantee seismic safety.
  • a slab is constructed on a beam structure, and a vibration isolation device (an earthquake-resistant device) is interposed between the beam structure and the slab to buffer vibration.
  • the slab is constructed on the beam structure, a floor height of a building decreases when the earthquake-resistant device having the buffer function is provided between the beam structure and the slab.
  • a “Construction Method of a Vibration Isolation Swing Slab” is disclosed in Korean registered patent No. 10-1404814 (Publication Date: Jun. 12, 2014).
  • This patent discloses a construction method of a vibration isolation swing slab, the construction method including installing a suspension member configured to suspend and support a slab below a beam structure such that the slab is movable relative to a plane, and installing a support device by installing a movable coupling means configured to couple the suspension member to the slab and the beam structure to be movable relative to the slab and the beam structure.
  • the suspension member has a rod shape to movably pass through the slab and the beam structure, and includes coupling parts on opposite end regions thereof in a lengthwise direction to be coupled to the movable coupling means.
  • the movable coupling means includes a pair of movable supporters having through-holes through which the opposite end regions of the suspension member may movably pass, and a movable coupling member coupled to the coupling parts of the suspension member passing through the pair of movable supports to be movably supported with respect to the pair of movable supporters.
  • a “Slab Earthquake-resistant Construction” is disclosed in Korean Patent Laid-Open Publication No. 10-2008-0057517.
  • This technique discloses that, in a basic structure including a pillar member and a beam, an elastic member is provided in a space between a side surface of a slab installed at the beam and a side surface of the pillar member, is formed of a material selected from among rubber, plastic, wood, and Styrofoam, is installed around the pillar member, and is interposed between the slab and the beam.
  • a precast reinforced-layer construction (PRC) hybrid method using a half slab is performed to secure seismic resistance.
  • a building having a ferroconcrete compassion structure is precast-concrete (PC), and PC members, such as a PC pillar, a PC beam, and a half slab, which are manufactured in a factory, are transferred to a construction site, lifted, and assembled together, and topping concrete is deposited at interfaces between the PC members and on the half slab at the construction site, thereby integrally forming elements of a structure.
  • PC members such as a PC pillar, a PC beam, and a half slab, which are manufactured in a factory
  • buildings today have been constructed by a technique for directly constructing a building using prefabricated blocks on a construction site rather than an on-the-spot deposition method or rather than by constructing a building by depositing PC members in a factory and transferring them to a construction site.
  • Korean registered patent No. 10-1365486 entitled “Earthquake-Resistance Assembling Exterior Block Unit Manufacturing Method”
  • Korean registered patent No. 10-1365487 entitled “Earthquake-Resistance Assembling Unit”
  • Korean registered patent No. 10-1365485 entitled “Earthquake-Resistance Assembling Block Unit Structure and Construction Method of Earthquake-Resistance Wall” which have been filed and registered by the applicant of the present invention have been disclosed.
  • building construction methods have been developed and employed as practical construction methods to significantly decrease a building construction period and in consideration of degrees of completion and stability of construction, etc., rather than constructing a building using only the PC members or the on-the-spot deposition method.
  • the vibration isolation device may be applied to the beam structure and the slab described above but decreasing of a floor height of a building cannot be avoided as described above.
  • the present invention has been made in view of the above problems, and it is one object of the present invention to secure seismic resistance of a slab of a building constructed using prefabricated blocks.
  • finishing sides of the slab by finishing separated parts of side surfaces of the slab and an inner circumferential surface of the external wall by sealing.
  • the present invention is directed to overcoming the problems of the techniques described above, and particularly, securing seismic resistance of a slab of a building constructed using prefabricated blocks, providing seismic resistance by lessening impact to be directly applied to connected regions of walls installed using the prefabricated blocks and the slab by using an elastic means, and blocking noise by preventing impulsive noise or the like from being transferred from the slab to lower floors.
  • FIG. 1 is a diagram illustrating an example of installing an external wall according to the present invention.
  • FIG. 2 is a diagram illustrating a state in which exterior blocks of the external wall of FIG. 1 are supported and installed using an in-corner shim member, an intermediate square pipe, etc., and core blocks are inserted into inner hollow block parts and semi-hollow parts of the exterior block and are fixed and supported by elastic pieces.
  • FIG. 3 is an enlarged view illustrating only the exterior blocks and the core blocks of FIG. 2 .
  • FIG. 4 is a diagram illustrating that after external walls are arranged in a line as illustrated in FIGS. 1 to 3 , this work may be repeatedly performed on the external walls.
  • FIG. 5 is an overview diagram illustrating a state in which external walls are formed by repeatedly performing the work as illustrated in FIGS. 1 to 4 .
  • FIG. 6 is an overview diagram illustrating forming inner walls partitioning an inside formed by the external walls after the external walls of a building illustrated in FIG. 5 are installed.
  • FIG. 7 is an overview diagram illustrating a state in which beams supported on upper ends of the inner walls are installed after the inner walls are formed as illustrated in FIG. 6 .
  • FIG. 8 is a partially enlarged view of a state of connection between an end part of each of the beams supported on the upper ends of the inner walls illustrated in FIG. 7 and a square pipe.
  • FIG. 9 is an overview diagram illustrating an example of installing a top elastic member on an upper surface of the beam after installation of the beam is completed as illustrated in FIG. 8 .
  • FIG. 10 is a diagram illustrating side elastic members provided at opposite end parts of a beam according to the present invention.
  • FIG. 11 is a diagram illustrating a slab elastic piece employed in the present invention.
  • FIG. 12 is a flowchart of a process according to the present invention.
  • a slab installation method in which walls are installed by constructing an external wall and an inner wall using prefabricated blocks, and a beam is installed to cross an upper end of the inner wall to be supported on the upper end of the inner wall so as to provide seismic resistance to the upper end of the beam, the method including:
  • an external wall of a building by locating an in-corner block at an in-corner of the external wall, inserting an in-corner shim member into a center region of the in-corner block, and combining an external block including hollow block parts and semi-hollow parts provided at end parts thereof, core blocks configured to be inserted into the hollow block parts and the semi-hollow parts of the exterior block, elastic pieces configured to be inserted between the core blocks and the exterior block such that the core blocks and the exterior block are in elastic contact with each other, and the in-corner block so as to form a wall;
  • finishing side surfaces of the slab by finishing, by sealing, separated parts between the side surfaces of the slab formed through the forming of the slab and an inner circumferential surface of the external wall.
  • the present invention provides a seismic construction method of a slab of a building, in which a building is constructed using prefabricated blocks, and particularly, prefabricated blocks having seismic resistance.
  • FIG. 1 illustrates a process performed according to the present invention in a sequential manner, the process including installing side elastic members between a beam supported on an upper end of an inner wall and an external wall (S 100 ), installing a top elastic member between a deco plate installed on an upper surface of the beam and the beam to absorb vertical vibration (S 200 ), forming a slab to complete the slab (S 300 ), and finishing side surfaces of the slab by finishing external walls which are in contact with outermost parts of the slab (S 400 ).
  • a slab 100 is installed to be supported on an upper surface of the inner wall 20 to secure seismic resistance when a disaster such as an earthquake occurs. This operation is performed to construct the external wall 10 , prior to installation of a side elastic member.
  • the external wall 10 is preferably constructed using a prefabricated block to secure seismic resistance thereof as illustrated in FIGS. 1 and 2 .
  • the structure of the external wall 10 is the same as that obtained by combining an exterior block 11 and core blocks 12 combined with the inside of the exterior block 11 , disclosed in Korean registered patent No. 10-1365485 of the present applicant.
  • a plurality of hollow block parts 11 a is formed in the exterior block 11
  • semi-hollow parts 11 b are formed at side ends of the exterior block 11 .
  • ends of exterior blocks 11 are combined with each other, the semi-hollow parts 11 b form a completed form of a hollow block part.
  • a side end part of the external wall 10 is provided using the exterior blocks 11 described above, core blocks are vertically inserted into and combined with the hollow block parts 11 a of the exterior blocks 11 . Then, elastic pieces 13 which are cut in a lengthwise direction and having elasticity are enforcedly inserted into elastic-piece insertion holes 12 a each having a circular arch shape and formed at four corners of each of the core blocks 12 to avoid direct contact between the core blocks and the exterior blocks 11 and to compensate vibration, which may be transferred from the exterior blocks 11 , using the elastic pieces 13 .
  • the external walls 10 of a whole building are constructed by combining the exterior blocks 11 , the core blocks 12 , and the elastic pieces 13 configured as described above.
  • four corners of the building may be constructed using blocks having a different standard from that of the exterior blocks 11 .
  • in-corner blocks 14 may be employed to apply stress corresponding to the strength and weight of the building.
  • in-corner blocks 14 may vary according to the total weight of the building to be constructed and parameters of the design of the structure of the building.
  • Each of the in-corner blocks 14 has a roughly ‘ ⁇ ’ shape and is configured such that a lower end part thereof is fixed on the ground in a state in which an H-beam or a square pipe is vertically inserted into a center portion thereof.
  • a hollow block part 14 a and semi-hollow parts 14 b are formed at the in-corner block 14 .
  • An in-corner shim member 15 such as an H-beam or a square pipe is installed in the hollow block part 14 a of the in-corner block 14 to increase the hardness of the in-corner block 14 .
  • the hollow block part 14 a formed at a center of the in-corner block 14 is configured such that, after the in-corner shim member 15 is inserted thereinto, an end part of the in-corner shim member 15 is fixedly coupled to a bottom surface thereof.
  • the core block 12 is stacked on and combined, using the elastic piece 13 , with a whole hollow part formed by the semi-hollow parts 11 b of the exterior blocks 11 which are in contact with the semi-hollow parts 14 b of the in-corner block 14 , thereby forming the external wall 10 of the building.
  • the forming of the side elastic member (S 200 ) is a process of installing side elastic members 120 at side ends of a beam 110 during connection of the side ends of the beam 110 and the external wall 10 when the beam 110 supported on the upper surface of the inner wall 20 is formed after construction of the inner wall 20 forming a floor height.
  • the external walls 10 which form a basic frame and outer sides of the building are constructed through the forming of the external wall (S 100 ) described above.
  • the slab 100 forming a floor height of the building is installed.
  • the side elastic members 120 are formed at side ends of the exterior blocks 11 forming the external wall 10 and the beam 110 forming the slab 100 , prior to installation of the slab 100 .
  • the beam 110 supporting the slab 100 and end parts of an H-beam or a square pipe vertically installed in an intermediate region of the external wall 10 are combined with one another.
  • the in-corner block 14 is located at the in-corner thereof and sides of the external wall 10 are formed by combination of the exterior blocks 11 and the core blocks 12 .
  • the square pipe 11 c is vertically inserted and fixed into either a center region of the external wall 10 or each of the hollow block parts 11 a at the locations on the exterior block 11 which are spaced the same distance from each other, thereby coupling an end part of the beam 110 and the square pipe 11 c
  • a flat plate 11 d is fixed on an upper surface of the square pipe 11 c by welding.
  • An end part of the beam 110 is placed on an upper surface of the flat plate 11 d .
  • a square pipe 11 c ′ is coupled to and fixed on the end part of the beam 110 .
  • the flat plate 11 d and the beam 110 are coupled to each other via a bolt.
  • the side elastic members 120 are formed at opposite side surfaces of the beams 110 to absorb and block vibration transmitted between the end parts of the beams 110 and the external wall 10 .
  • shape steels 121 are fixed at opposite end parts of the beam 110 by welding and slab elastic pieces 122 are inserted into the shape steels 121 to bring the slab elastic piece 122 into contact between the end parts of the beam 110 and the external wall 10 .
  • the slab elastic piece 122 includes a cut part 122 a which is cut as a whole along a lengthwise direction of the slab elastic piece 122 , a tapered part 122 c provided at an end part thereof to form a tapered surface 122 b in an inward direction, and a plurality of taper cut grooves 122 d for cutting the tapered part 122 c at uniform intervals to form elastic parts 122 e.
  • the beam 110 and the exterior blocks 11 forming the external wall 10 may be prevented from being in direct contact with each other and elasticity may be provided.
  • the vibration may be easily compensated and thus seismic resistance of the whole building may be secured. Seismic resistance may be secured since impact due to horizontal vibration of the slab may be absorbed by the side elastic members 120 installed in this operation.
  • the top elastic member 130 is installed on the upper surface of the beam 110 installed through the forming of the side elastic member (S 200 ) described above.
  • a decorative plate, a dry heating panel, a floor finishing panel, etc. are stacked on the upper surface of the beam 110 to prevent vibration or the like from being transferred from the beam 110 to the slab 100 including the decorative plate, the dry heating panel, the floor finishing panel, etc.
  • the top elastic member 130 has a structure in which upper and lower flat plates 131 and 132 are vertically provided to be spaced apart from each other at each of locations on the upper surface of the beam 110 which are spaced the same distance from each other, a spring reinforcement tube 133 is formed to pass through the upper and lower flat plates 131 and 132 , and a spring 134 is provided in the spring reinforcement tube 133 . Accordingly, vibration which may be transferred from the beam 110 may be compensated for by the spring 134 while the upper and lower flat plates 131 and 132 are maintained spaced apart from each other.
  • Vibration transferred from the external wall 10 may be compensated for by lateral pressure applied by the slab elastic piece 122 of the side elastic member 120 of the beam 110 supporting the slab 100 and thus stability may be secured as described above, but vibration transferred in a vertical direction cannot be compensated for.
  • the top elastic member 130 may be employed and a force transferred vertically via the beam 110 may thus be compensated for.
  • horizontal and vertical vibration of the slab may be absorbed or lessened by the side elastic members 120 and the top elastic member 130 installed and constructed through the installation of the side elastic member (S 200 ) and the installation of the top elastic member (S 300 ), thereby securing seismic resistance.
  • forming of a slab is performed by sequentially installing a decorative plate 200 , a dry heating panel 300 , and a floor finishing panel 400 on the top elastic member 130 .
  • a method of installing the decorative plate 200 , a method of installing the dry heating panel 300 , a method of installing the floor finishing panel 400 , etc. are well-known techniques and thus are not described in detail here.
  • All outer surfaces of the slab 100 completed by constructing the decorative plate 200 , the dry heating panel 300 , and the floor finishing panel 400 are spaced apart from inner side surfaces of the external wall 10 .
  • vibration due to the impact may be prevented from being directly transferred to the slab 100 .
  • the transferred vibration may be compensated for by the side elastic members 120 and the top elastic member 130 .
  • This operation is an operation of finishing, by sealing, separated parts of side surfaces of the slab 100 formed through the forming of the slab (S 400 ) and an inner circumferential surface of the external wall 10 . After the installation of the slab 100 is completed, the slab 100 and the inner circumferential surface of the external wall 10 are maintained spaced apart from each other.
  • the separated parts of the side surfaces of the slab 100 and the inner circumferential surface of the external wall 10 are finished by silicone or epoxy molding.
  • Interlayer noise may be blocked by finishing the separated parts of the side surfaces of the slab 100 and the inner circumferential surface of the external wall 10 as described above.
  • transfer of noise through the members according to the present invention i.e., the external walls 10 and the inner walls 20 , may be completely blocked.
  • a separated space between (or separated parts of) the slab 100 and the external wall 10 may be finished and thus noise transfer paths may be completely blocked or eliminated.
  • the present invention is industrially applicable in that, during construction of a building, walls are formed using prefabricated blocks and slabs are installed to cross the walls consisting of the prefabricated blocks, thereby obtaining the slabs having high seismic resistance.
US15/756,030 2015-08-28 2016-08-19 Seismic construction method of building slab Abandoned US20180245366A1 (en)

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KR10-2015-0121461 2015-08-28
KR1020150121461A KR101727817B1 (ko) 2015-08-28 2015-08-28 건축물 슬래브의 내진 공법
PCT/KR2016/009144 WO2017039196A1 (ko) 2015-08-28 2016-08-19 건축물 슬래브의 내진 공법

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KR101727817B1 (ko) 2017-05-02
WO2017039196A1 (ko) 2017-03-09

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