US3867805A - Method of forming joint construction of precast concrete columns and beams - Google Patents

Method of forming joint construction of precast concrete columns and beams Download PDF

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Publication number
US3867805A
US3867805A US361758A US36175873A US3867805A US 3867805 A US3867805 A US 3867805A US 361758 A US361758 A US 361758A US 36175873 A US36175873 A US 36175873A US 3867805 A US3867805 A US 3867805A
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Prior art keywords
columns
beams
sleeve
reinforcing bars
column
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US361758A
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English (en)
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Yuzo Mikami
Hideyuki Kobayashi
Tetsuya Sasaki
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Kajima Corp
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Kajima Corp
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    • 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
    • E04B1/20—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of concrete, e.g. reinforced concrete, or other stonelike material
    • E04B1/21—Connections specially adapted therefor
    • E04B1/215—Connections specially adapted therefor comprising metallic plates or parts

Definitions

  • ABSTRACT A construction method of rigid structural joints between precast concrete columns and beams by utilizing two sets of jointing system in combination.
  • vertical direction columns are jointed by placing steel sleeves within joint panel zone wherein protruding main bars from upper and lower columns are inserted and grouted by non-shrink mortar giving structural continuity.
  • horizontal direction beams are jointed by formation of U-shaped grooves at beam ends wherein main reinforcing bars are enclosed and lapjointed to preassembled main bars placed inside of aforesaid grooves by casting Concrete within the grooves.
  • FIG 5 FIG. 6
  • the present invention is generally concerned with construction methods of rigid structural joints between precast columns and beams in prefabricated building construction, and more particularly relates to the use of steel bar splice sleeves at the joint panel zone for column-to-column joint, and the use of U-shaped beam ends in which main bars are cast in and lap-jointed to the pre-assembled bars for beam-to-beam joint, the use of the two jointing methods being combined into one integrated system.
  • the column joint formed at mid-storey height presents problems in architectural finishes, as it may easily come close to the level of vision of the users or the residents of the building when occupied.
  • the jointing operation may be performed only through the grouting and the concreting operation, utilizing the bonding effect of reinforcing bar to mortar or concrete, it will result in much simplicity and economy, and will also provide adequate tolerance necessary for this type of construction, and at the same time will achieve structural continuity and monolithic character inherent to the reinforced concrete construction.
  • a primary object of the invention is to achieve the A further objectof the invention is to conceal the structural joints which tend to result in an inferior architectural effect into places where the occupants or the users of the building may not see easily.
  • Another significant object of the invention is to achieve full continuity and rigidity of the structural joints at least comparable to those of normal reinforced concrete construction, wherein the joints are made monolithic through the utilization of bonding between the reinforcing bars and the concrete.
  • the objects of the invention are achieved through the provision of structural joints in or adjacent to the joint panel zone.
  • the column-to-column joint is formed by providing steel splice sleeves within the joint panel zone, wherein protruding main reinforcing bars from upper and lower precast columns are inserted and locked, upon the hardening of non-shrink mortar grouted inside the sleeves, through the bonding and wedging effect of the bars, mortar, and the sleeves which are slightly tapered towards the top and the bottom of the length.
  • Said bars are of deformed type and the interior walls of the sleeves are finely grooved.
  • the beam-to-beam joint is formed through the lapping effect of the beam main bars which are cast within the U-shaped groove at the beam ends and the preassembled main bars which are projecting from the joint panel zone into the said groove upon the hardening of concrete poured within the said groove.
  • the U- shaped groove is given an adequate length to ensure full structural continuity between the jointed elements through the bonding of said groove, bars, and concrete, further secured by the stirrup bars precast within the U-shaped groove and bent down over the preassembled bars prior to the concreting. No or little falsework is necessary for the concreting operation as the said U-shaped groove itself functions as a formwork. Full sectional area of the joint becomes structurally effective after the jointing.
  • FIGS. 1 through 6 there is illustrated, in FIGS. 1 through 6, an outline of various embodiments in accordance with this invention.
  • Basic elements with which the structural joint is formed according to this invention comprise a precast reinforced concrete column 1, a precast reinforced concrete beam 2, and a sleeve 3 serving as a connector .to reinforcing bars projecting from the column.
  • a sleeve 3 is so positioned in a joint panel zone that the opposed open ends thereof align with the reinforcing bar of the column.
  • the bar 5 extending from an upper end of a lower column 1 is inserted'in the sleeve 3.
  • a set of pre-assembled bars 6 is set in a space formed by the two grooves at the ends of right and left beams.
  • an upper column 1 is so placed on the lower column 1 that the bar 5 extending from the lower end of the upper column 1 is inserted within the sleeve 3, followed by filling the interior of the sleeve with a grouting material to lock the bars 5 of the upper and lower columns to each other.
  • Said space formed by the two grooves and extending across the ends of both columns is filled with concrete to make the columns and beams monolithic.
  • a sleeve 3 can also be embedded within a precast concrete block 7 to be put in position at a joint panel zone, leaving its upper and lower ends open on the surface of the block.
  • the block is provided with a reinforcing bar 6' extending laterally.
  • Both upper and lower columns 1 and 1 are jointed together by bars 5, 5 by means of the sleeve, in which a grouting material is subsequently poured.
  • a beam 2 is made monolithic with respect to the columns by concrete poured in a groove 4.
  • FIGS. 3 through 6 show the use of a sleeve embedded in a central point along the length of a beam.
  • FIG. 3 there is shown a sleeve 3 which is embedded in a central point along the length of a precast concrete beam 2, leaving upper and lower openings of the sleeve on the top and bottom surfaces of the beam.
  • the beam 2 is formed with a groove 4 of a U-shape in section at one end thereof, and provided with a projecting bar 6' at the other end thereof.
  • One beam 2 is arranged .to the other beam 2 in butt joint or face to face relationship at a middle point along the span between columns l and l, with the setting of the projecting bar 6' in the U-shaped groove 4, and the groove 4 is filled with concrete, to joint the beams 2 and 2 at a middle point between columns.
  • FIG. 4 shows a manner of jointing wherein a sleeve 3 is embedded in a central point along the length of a precast beam 2, the beam is formed with a U-shape groove 4 at both ends thereof.
  • said beam 2 is arranged on column 1 in a butt joint relationship with the other beam at an intermediate point between columns 1 and l, a bar 6 is set in the groove, and concrete is poured therein.
  • FIG. 5 shows a manner of jointing wherein a sleeve 3 is embedded in a precast concrete beam 2 at a portion central along the length thereof, the beam is provided with a U-shape groove or channel at both ends thereof, a precast concrete beam 2' to be used in the intermediate zone between columns is provided with a projecting bar 6' at both ends thereof, said bars 6' and 6 are set in the U-shape grooves 4, and concrete is poured in the grooves.
  • FIG. 6 shows a case where the outline of framing takes a T-shape configuration by the provision of a wall panel or column 8, the top of which is jointed to the bottom surface of a reinforced concrete beam 2 carrying a sleeve 3 embedded therein.
  • the column 8 and beam 2 may be manufactured separately and assembled in the building site.
  • FIGS. 7 and 8 show details of a column 1.
  • the column 1 may be either circular, square, or cruciform in section, is provided with bars 5 projecting from the top and bottom thereof, and is formed with a dent 9 and a corresponding projection 10 on the top and the bottom thereof, respectively.
  • FIGS. 9 and 10 show an example of a precast beam.
  • the beam 2 is formed with a U-shape groove 4 at the both ends thereof.
  • the beam is provided with a sleeve embedded therein at a portion central along the length thereof, and the sleeve is used for jointing a wall panel or column 8 to the top and/or bottom of the beam 2.
  • a dent 11 receives a projection formed on the bottom of a column 8 jointed to the top of the beam 2.
  • FIG. 11 shows an example of pre-assembled bars 6 extending from a joint panel zone into the U-shaped grooves 4 of the precast beams 2.
  • FIGS. 12 through 16 show the sequence of construction procedure.
  • a column 1 is erected, a beam 2 is disposed on the top of the column (see FIGS. 12 and 13), a set of preassembled bars 6 is set in a groove formed by the column 1 and U-shape groove 4 of the beam 2 (see FIG. 13), sleeve 3 is put in position through which a bar 5 projecting from the lower column 1 is inserted, stirrups 13 are bent over the preassembled bar 6 (see FIG. 14), the U-shape groove 4 is filled with concrete 16 (see FIG.
  • a bar 5 projecting from the lower end of an upper column 1 is introduced into the sleeve 3 after hardening of the concrete, and a grouting material is poured within the sleeve 3 (see FIG. 16). The foregoing procedure is repeated until a desired number of stories are constructed.
  • FIGS. l7, l8, and 19 show details of a joint panel zone.
  • Four pairs of bars 5 projects from a cruciform column 1 (one pair through each flange), four beams 2 whose ends are of U-shape configuration in section are placed in the four directions.
  • a set of preassembled bars 6 consisting of bars 14 held in position by additional bars 15 is put in position in the U-shape groove.
  • Stirrups 13 are arranged around main bars [7 of a beam which are cast in the walls of the U-shaped groove, and concrete is poured after the parts of the stirrups projecting out of the precast beam are bent down over the pre-assembled bars 6.
  • Each sleeve 3 is secured in position by connecting bars 18.
  • Non-shrink mortar 19 is subsequently poured within the sleeve 3.
  • the sleeve 3 is to be tapered towards the top and the bottom thereof and have two openings of a minimum diameter at the ends thereof.
  • the bars 5 are to be of a deformable type.
  • a method of constructing rigid structuraljoints between precast concrete columns and beams by utilizing splice sleeves of almost the same depth as the beams comprising the steps of:
  • a sleeve embedded therein with its upper and lower ends open on the surface of the block and ii. a reinforcing bar embedded therein and extending laterally therefrom on two sides on the lower column in a fashion such that the reinforcing bars of the lower column are inserted in the sleeve;

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Joining Of Building Structures In Genera (AREA)
US361758A 1972-05-18 1973-05-18 Method of forming joint construction of precast concrete columns and beams Expired - Lifetime US3867805A (en)

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JP47049467A JPS5215889B2 (enrdf_load_stackoverflow) 1972-05-18 1972-05-18

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Cited By (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3948008A (en) * 1973-06-25 1976-04-06 Werner Goetz Prefabricated structural element, especially balcony element
US4018021A (en) * 1974-09-13 1977-04-19 Jimmy Dow Building and method of making same
US4099360A (en) * 1975-05-13 1978-07-11 Ccl Systems, Ltd. Method and device for joining concrete bodies and method of constructing a multi-story building
WO1982000677A1 (en) * 1980-08-19 1982-03-04 Prod Res Dev Corp Constr Precast building element and method
US5070672A (en) * 1986-01-30 1991-12-10 Roger Bullivant Of Texas, Inc. Supports for building structures
US5367854A (en) * 1991-11-23 1994-11-29 Kim; Sun-Ja Methods for connection of precast concrete units
US5444957A (en) * 1994-02-01 1995-08-29 Roberts; Walter R. Multistory slab construction
US5555697A (en) * 1994-01-12 1996-09-17 Kim; Sun J. Method for connecting precast concrete units
NL1006958C2 (nl) * 1997-09-05 1999-03-11 Hollandsche Betongroep Nv Evenementen-bouwwerk met verplaatsbaar veld.
SG90728A1 (en) * 1998-05-15 2002-08-20 P & T Consultants Pte Ltd Construction system
US20040068944A1 (en) * 2002-10-09 2004-04-15 Dalton Michael E. Concrete building system and method
US20050097844A1 (en) * 2003-11-07 2005-05-12 Walker Crockett J. Multi-story concrete slab construction
US20080022623A1 (en) * 2006-07-28 2008-01-31 Paul Brienen Coupling beam and method of use in building construction
ES2297974A1 (es) * 2005-06-28 2008-05-01 Proerai, S.L. Elemento de construccion para vigas y estructura construida.
US20090165408A1 (en) * 2004-06-15 2009-07-02 Norman Gordon Pask Construction elements and methods of construction
US20090188191A1 (en) * 2008-01-24 2009-07-30 Martin Williams Panelization Method and System
US20090188194A1 (en) * 2008-01-24 2009-07-30 Williams Martin R Panelization System and Method
US20100170194A1 (en) * 2007-07-19 2010-07-08 Lucio LEONE Girders for reinforcing concrete and method for connecting them to pillars in order to provide continuity from bay to bay
CN101806148A (zh) * 2010-03-29 2010-08-18 南京大地建设集团有限责任公司 具有u形钢筋连接节点的混凝土梁施工方法
US20120174528A1 (en) * 2010-07-19 2012-07-12 Schock Bauteile Gmbh Molding arrangement and method for creating a recess when casting a part
US20120210669A1 (en) * 2011-02-18 2012-08-23 Senvex Co., Ltd. Method of constructing prefabricated steel reinforced concrete (psrc) column using angle steels and psrc column using angle steels
CN103195172A (zh) * 2013-04-16 2013-07-10 东南大学 一种预制装配混凝土框架梁柱连接节点构造
CN103243838A (zh) * 2013-04-28 2013-08-14 中国十七冶集团有限公司 一种装配整体式混凝土框架-剪力墙连接结构
US9371648B1 (en) * 2015-09-02 2016-06-21 Nikolay P. Tikhovskiy Concrete building structure and method for modular construction of same
CN105951985A (zh) * 2016-06-17 2016-09-21 华东建筑设计研究院有限公司 一种预制混凝土框架梁节点
CN106400952A (zh) * 2016-07-29 2017-02-15 刘祥锦 一种装配式预制结构墙板单元及其连接节点
CN106760036A (zh) * 2016-12-29 2017-05-31 中通钢构股份有限公司 一种预制钢板‑混凝土组合剪力墙
CN106759952A (zh) * 2017-01-18 2017-05-31 黄坤坤 一种装配式环筋扣合锚接混凝土剪力墙结构
CN106759951A (zh) * 2017-01-18 2017-05-31 黄坤坤 一种装配式环筋扣合锚接混凝土剪力墙单侧楼板连接结构
CN108487458A (zh) * 2017-12-29 2018-09-04 上海大禺预制构件有限公司 一种装配式预制梁节点
US20180282993A1 (en) * 2017-03-30 2018-10-04 Nandy Sarda Precast concrete building elements and assemblies thereof, and related methods
CN108951847A (zh) * 2018-07-31 2018-12-07 同济大学 一种基于uhpc的预制混凝土框架结构体系及其施工方法
US10480687B2 (en) 2014-06-17 2019-11-19 Tindall Corporation Pipe racks
CN111236419A (zh) * 2020-02-21 2020-06-05 莆田学院 一种新型钢筋混凝土结构梁柱节点及施工方法
US10934734B1 (en) * 2020-02-21 2021-03-02 King Saud University Damped reinforced joint for beam-column connection
US20220025639A1 (en) * 2020-07-22 2022-01-27 Nano And Advanced Materials Institute Limited Lightweight concrete modular integrated construction (mic) system
US20230250625A1 (en) * 2021-01-27 2023-08-10 Hainan University Beam-column joint of precast concrete column and construction method thereof
CZ310028B6 (cs) * 2012-07-11 2024-05-22 České vysoké učení technické v Praze Spoj prefabrikovaných konstrukcí

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JP6933900B2 (ja) * 2017-01-13 2021-09-08 株式会社熊谷組 柱と梁との接合方法、及び、柱と梁との接合構造

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US2618146A (en) * 1945-12-28 1952-11-18 Ciarlini Luigi Reinforced concrete column, bracket, and beam joint
US3151464A (en) * 1959-05-25 1964-10-06 Nippon Sharyo Seizo Kk Foundation piles
US3226894A (en) * 1963-08-27 1966-01-04 Kirchner Ernst Concrete cooling tower
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Cited By (56)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3948008A (en) * 1973-06-25 1976-04-06 Werner Goetz Prefabricated structural element, especially balcony element
US4018021A (en) * 1974-09-13 1977-04-19 Jimmy Dow Building and method of making same
US4099360A (en) * 1975-05-13 1978-07-11 Ccl Systems, Ltd. Method and device for joining concrete bodies and method of constructing a multi-story building
WO1982000677A1 (en) * 1980-08-19 1982-03-04 Prod Res Dev Corp Constr Precast building element and method
US4363200A (en) * 1980-08-19 1982-12-14 Construction Products Research And Development Corporation Pre-cast building element and method
US5070672A (en) * 1986-01-30 1991-12-10 Roger Bullivant Of Texas, Inc. Supports for building structures
US5367854A (en) * 1991-11-23 1994-11-29 Kim; Sun-Ja Methods for connection of precast concrete units
US5555697A (en) * 1994-01-12 1996-09-17 Kim; Sun J. Method for connecting precast concrete units
US5444957A (en) * 1994-02-01 1995-08-29 Roberts; Walter R. Multistory slab construction
NL1006958C2 (nl) * 1997-09-05 1999-03-11 Hollandsche Betongroep Nv Evenementen-bouwwerk met verplaatsbaar veld.
WO1999013161A1 (en) * 1997-09-05 1999-03-18 Hollandsche Beton Groep N.V. Event construction with movable pitch
US6370825B1 (en) 1997-09-05 2002-04-16 Hollandsche Beton Groep N.V. Event construction with movable pitch
SG90728A1 (en) * 1998-05-15 2002-08-20 P & T Consultants Pte Ltd Construction system
US20040068944A1 (en) * 2002-10-09 2004-04-15 Dalton Michael E. Concrete building system and method
US7661231B2 (en) * 2002-10-09 2010-02-16 Michael E. Dalton Concrete building system and method
US20050097844A1 (en) * 2003-11-07 2005-05-12 Walker Crockett J. Multi-story concrete slab construction
US7028435B2 (en) * 2003-11-07 2006-04-18 Climatized Self-Storage Const. Co. Multi-story concrete slab construction
US20090165408A1 (en) * 2004-06-15 2009-07-02 Norman Gordon Pask Construction elements and methods of construction
ES2297974B1 (es) * 2005-06-28 2009-07-20 Proerai, S.L. Elemento de construccion para vigas y estructura construida.
ES2297974A1 (es) * 2005-06-28 2008-05-01 Proerai, S.L. Elemento de construccion para vigas y estructura construida.
US20080022623A1 (en) * 2006-07-28 2008-01-31 Paul Brienen Coupling beam and method of use in building construction
US7934347B2 (en) 2006-07-28 2011-05-03 Paul Brienen Coupling beam and method of use in building construction
US20100170194A1 (en) * 2007-07-19 2010-07-08 Lucio LEONE Girders for reinforcing concrete and method for connecting them to pillars in order to provide continuity from bay to bay
US20090188191A1 (en) * 2008-01-24 2009-07-30 Martin Williams Panelization Method and System
US20090188194A1 (en) * 2008-01-24 2009-07-30 Williams Martin R Panelization System and Method
US8205412B2 (en) * 2008-01-24 2012-06-26 Consolidated Systems, Inc. Panelization method and system
US8505599B2 (en) * 2008-01-24 2013-08-13 Consolidated Systems, Inc. Panelization system and method
CN101806148A (zh) * 2010-03-29 2010-08-18 南京大地建设集团有限责任公司 具有u形钢筋连接节点的混凝土梁施工方法
US20120174528A1 (en) * 2010-07-19 2012-07-12 Schock Bauteile Gmbh Molding arrangement and method for creating a recess when casting a part
US8875458B2 (en) * 2010-07-19 2014-11-04 Schock Bauteile Gmbh Molding arrangement and method for creating a recess when casting a part
US20120210669A1 (en) * 2011-02-18 2012-08-23 Senvex Co., Ltd. Method of constructing prefabricated steel reinforced concrete (psrc) column using angle steels and psrc column using angle steels
US8640419B2 (en) * 2011-02-18 2014-02-04 Senvex Co., Ltd. Method of constructing prefabricated steel reinforced concrete (PSRC) column using angle steels and PSRC column using angle steels
CZ310028B6 (cs) * 2012-07-11 2024-05-22 České vysoké učení technické v Praze Spoj prefabrikovaných konstrukcí
CN103195172A (zh) * 2013-04-16 2013-07-10 东南大学 一种预制装配混凝土框架梁柱连接节点构造
CN103243838B (zh) * 2013-04-28 2015-05-20 中国十七冶集团有限公司 一种装配整体式混凝土框架-剪力墙连接结构
CN103243838A (zh) * 2013-04-28 2013-08-14 中国十七冶集团有限公司 一种装配整体式混凝土框架-剪力墙连接结构
US10480687B2 (en) 2014-06-17 2019-11-19 Tindall Corporation Pipe racks
US9371648B1 (en) * 2015-09-02 2016-06-21 Nikolay P. Tikhovskiy Concrete building structure and method for modular construction of same
CN105951985A (zh) * 2016-06-17 2016-09-21 华东建筑设计研究院有限公司 一种预制混凝土框架梁节点
CN105951985B (zh) * 2016-06-17 2024-05-10 华东建筑设计研究院有限公司 一种预制混凝土框架梁节点
CN106400952A (zh) * 2016-07-29 2017-02-15 刘祥锦 一种装配式预制结构墙板单元及其连接节点
CN106760036A (zh) * 2016-12-29 2017-05-31 中通钢构股份有限公司 一种预制钢板‑混凝土组合剪力墙
CN106760036B (zh) * 2016-12-29 2019-04-26 中通钢构股份有限公司 一种预制钢板-混凝土组合剪力墙
CN106759951A (zh) * 2017-01-18 2017-05-31 黄坤坤 一种装配式环筋扣合锚接混凝土剪力墙单侧楼板连接结构
CN106759952A (zh) * 2017-01-18 2017-05-31 黄坤坤 一种装配式环筋扣合锚接混凝土剪力墙结构
US10106972B1 (en) * 2017-03-30 2018-10-23 Nandy Sarda Precast concrete building elements and assemblies thereof, and related methods
US10106973B1 (en) * 2017-03-30 2018-10-23 Nandy Sarda Precast concrete building elements and assemblies thereof, and related methods
US20180282993A1 (en) * 2017-03-30 2018-10-04 Nandy Sarda Precast concrete building elements and assemblies thereof, and related methods
CN108487458A (zh) * 2017-12-29 2018-09-04 上海大禺预制构件有限公司 一种装配式预制梁节点
CN108951847A (zh) * 2018-07-31 2018-12-07 同济大学 一种基于uhpc的预制混凝土框架结构体系及其施工方法
CN111236419A (zh) * 2020-02-21 2020-06-05 莆田学院 一种新型钢筋混凝土结构梁柱节点及施工方法
US10934734B1 (en) * 2020-02-21 2021-03-02 King Saud University Damped reinforced joint for beam-column connection
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US11692341B2 (en) * 2020-07-22 2023-07-04 Nano And Advanced Materials Institute Limited Lightweight concrete modular integrated construction (MIC) system
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