[go: up one dir, main page]
More Web Proxy on the site http://driver.im/

CN106738308A - Precast T-Beam reinforcing bar molding bed rack system - Google Patents

Precast T-Beam reinforcing bar molding bed rack system Download PDF

Info

Publication number
CN106738308A
CN106738308A CN201710030013.7A CN201710030013A CN106738308A CN 106738308 A CN106738308 A CN 106738308A CN 201710030013 A CN201710030013 A CN 201710030013A CN 106738308 A CN106738308 A CN 106738308A
Authority
CN
China
Prior art keywords
reinforcement
precast
molding bed
bed rack
steel
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
CN201710030013.7A
Other languages
Chinese (zh)
Inventor
毋存粮
张维
叶雨山
崔浩
贾晓锋
宋立新
姚兵
李享达
王刚
韩彦舟
白子民
景玉婷
王娟
贾维志
董泽
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HENAN PROVINCE CONSTRUCTION GROUP CO Ltd
China Construction Seventh Engineering Division Corp Ltd
Original Assignee
HENAN PROVINCE CONSTRUCTION GROUP CO Ltd
China Construction Seventh Engineering Division Corp Ltd
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 HENAN PROVINCE CONSTRUCTION GROUP CO Ltd, China Construction Seventh Engineering Division Corp Ltd filed Critical HENAN PROVINCE CONSTRUCTION GROUP CO Ltd
Priority to CN201710030013.7A priority Critical patent/CN106738308A/en
Publication of CN106738308A publication Critical patent/CN106738308A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B23/00Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
    • B28B23/02Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)

Abstract

The present invention provides a kind of Precast T-Beam reinforcing bar molding bed rack system,Including beam rib reinforcement skeleton molding bed rack,Wing plate framework of steel reinforcement molding bed rack and roof bolting reinforcement installation molding bed rack,Ensure Precast T-Beam beam rib steel-bar binding specification,Precast T-Beam wing plate reinforcing bar colligation specification,Precast T-Beam top surface anchor bar colligation specification,Bar bender is saved simultaneously to receive and colligation Precast T-Beam beam rib reinforcement,Colligation Precast T-Beam wing plate reinforcing bar,The time of T back plate anchor bars is installed,Carry out continuous productive process,Improve production efficiency,Use Precast T-Beam beam rib reinforcement skeleton molding bed rack,Precast T-Beam wing plate framework of steel reinforcement molding bed rack,Precast T-Beam roof bolting reinforcement installation molding bed rack coordinates Precast T-Beam wing plate framework of steel reinforcement molding bed rack to use,Substantially increase live standardized management level,It is easy to quality control personnel to exercise supervision inspection simultaneously,The lifting work of Precast T-Beam entirety framework of steel reinforcement is carried out using Precast T-Beam entirety framework of steel reinforcement mast-up,Improve production efficiency.

Description

Precast T-Beam reinforcing bar molding bed rack system
Technical field
The present invention relates to Precast T-Beam, particularly a kind of Precast T-Beam reinforcing bar molding bed rack system.
Background technology
At present in Precast T-Beam colligation beam rib reinforcement, typically bar bender carries out colligation on Precast T-Beam pedestal, construction When, it is uneven to there is reinforcing bar transverse and longitudinal spacing, reinforcing bar poor location, while being had a certain impact to cover to reinforcement.In Precast T-Beam During colligation wing plate reinforcing bar, typically bar bender carries out colligation after Precast T-Beam installation form is finished.During construction, there is reinforcing bar horizontal Longitudinal pitch is uneven, reinforcing bar poor location.In Precast T-Beam colligation roof bolting reinforcing bar, generally using bar bender in Precast T-Beam Top surface colligation, during construction, it is uneven to there is transverse and longitudinal spacing, and top surface anchor bar is chaotic, and anchor bar easily falls to T beams In web chamber, certain influence is brought to the presentation quality of T beams.Precast T-Beam entirety framework of steel reinforcement is generally enterprising in precast pedestal Row colligation, Jin Liangnian enterprises promote precast beam molding bed rack technology, and scene is without precast beam entirety framework of steel reinforcement lifting device.
The content of the invention
For above-mentioned situation, to overcome the defect of prior art, the present invention to provide a kind of Precast T-Beam reinforcing bar molding bed rack system System, its assembling reinforcement specification, high precision saves the time, improves production efficiency.
The present invention includes beam rib reinforcement skeleton molding bed rack, wing plate framework of steel reinforcement molding bed rack and roof bolting reinforcement installation loose tool Frame, it is characterised in that the beam rib reinforcement skeleton molding bed rack includes beam rib steel-bar binding pedestal, the beam rib steel-bar binding pedestal Left side it is longitudinally spaced be provided with multiple beam rib reinforcement support bars, the front side of the beam rib reinforcement support bar is vertically interval with multiple Horizontal reinforcement abutment sleeve, is equipped with horizontal reinforcement locating rod, the beam rib reinforcement support in the horizontal reinforcement abutment sleeve Bar is provided with upper beam rib reinforcement locating groove towards the side upper end of beam rib steel-bar binding pedestal, and the beam rib reinforcement support bar is right The beam rib steel-bar binding pedestal upper surface of side is longitudinally spaced to be provided with multiple lower beams corresponding with upper beam rib reinforcement locating groove Rib reinforcement locating groove;
The wing plate framework of steel reinforcement molding bed rack includes two spaced supporting platform seats, and the supporting platform seat is provided with longitudinal direction and prolongs The opening up fishback stretched, the supporting platform seat on the outside of the fishback is provided with the walking of roof bolting reinforcement installation molding bed rack Track, the multiple connecting rods from middle downward bending also including longitudinally spaced setting, the connecting rod is connected to two comb Between plate, the connecting rod bending part both sides are respectively separated and are provided with multiple horizontal reinforcement locating racks;
The roof bolting reinforcement installation molding bed rack includes being slidably disposed within two roof bolting reinforcement installation molding bed rack walking tracks Between roof bolting reinforcing bar storage trolley, the roof bolting reinforcing bar storage trolley along the one of supporting platform seat length direction Side is provided with anchor bar locating rack, and multiple anchorings are interval with along supporting platform seat width on the anchor bar locating rack Reinforcing bar location hole.
Ensure Precast T-Beam beam rib steel-bar binding specification, Precast T-Beam wing plate reinforcing bar colligation specification, Precast T-Beam top surface anchoring steel Muscle colligation specification, while save bar bender receiving and colligation Precast T-Beam beam rib reinforcement, colligation Precast T-Beam wing plate reinforcing bar, installation T The time of back plate anchor bar, carry out continuous productive process, improve production efficiency, using Precast T-Beam beam rib reinforcement skeleton molding bed rack, Precast T-Beam wing plate framework of steel reinforcement molding bed rack, Precast T-Beam roof bolting reinforcement installation molding bed rack coordinate Precast T-Beam wing plate reinforcing bar Frame molding bed rack is used, and substantially increases live standardized management level, while it is easy to quality control personnel to exercise supervision inspection, profit With Precast T-Beam entirety framework of steel reinforcement mast-up carry out Precast T-Beam entirety framework of steel reinforcement lifting work, improve production efficiency, together Shi Tigao precasting yards scene standardized management level.
Brief description of the drawings
Fig. 1 is rib reinforcement skeleton molding bed rack front view structure figure of the present invention.
Fig. 2 is rib reinforcement skeleton molding bed rack left view structure chart of the present invention.
Fig. 3 is wing plate framework of steel reinforcement molding bed rack front view structure figure of the present invention.
Fig. 4 is wing plate framework of steel reinforcement molding bed rack overlooking structure figure of the present invention.
Fig. 5 is roof bolting reinforcement installation molding bed rack top view of the present invention.
Fig. 6 is roof bolting reinforcement installation molding bed rack front view of the present invention.
Fig. 7 is deposited to load onto roof bolting reinforcing bar between two roof bolting reinforcement installation molding bed rack walking tracks of the present invention The top view of dolly.
Fig. 8 is present invention entirety framework of steel reinforcement mast-up front view.
Fig. 9 is the top view of entirety framework of steel reinforcement mast-up transverse state of the invention.
Specific embodiment
Specific embodiment of the invention is described in further detail below in conjunction with accompanying drawing.
Be given by Fig. 1 to Fig. 9, the technical scheme is that, including beam rib reinforcement skeleton molding bed rack, wing plate framework of steel reinforcement Molding bed rack and roof bolting reinforcement installation molding bed rack, it is characterised in that the beam rib reinforcement skeleton molding bed rack includes beam rib reinforcement Colligation pedestal 1, the left side of the beam rib steel-bar binding pedestal 1 is longitudinally spaced to be provided with multiple beam rib reinforcement support bars 2, the beam rib The front side of steel support pole 2 is vertically interval with multiple horizontal reinforcement abutment sleeves 3, the horizontal reinforcement abutment sleeve 3 and wears Horizontal reinforcement locating rod 4 is provided with, the beam rib reinforcement support bar 2 is provided with towards the side upper end of beam rib steel-bar binding pedestal 1 Portion beam rib reinforcement locating groove 5,1 upper surface of beam rib steel-bar binding pedestal on the right side of the beam rib reinforcement support bar 2 is longitudinally spaced It is provided with multiple lower beam rib reinforcement locating grooves 6 corresponding with upper beam rib reinforcement locating groove 5;(Upper reinforcement locating groove With lower rebar locating groove, using 5 bugle steel, Open Side Down for the 5 bugle steel on top, 5 bugle steel opening upwards of bottom, Its length direction is in Fig. 1 lateral arrangement, and corresponding up and down to be arranged vertically, draw-in groove spacing is identical with beam rib reinforcement spacing, really Protect beam rib reinforcement spacing and perpendicularity meets design and code requirement.)
The wing plate framework of steel reinforcement molding bed rack includes two spaced supporting platform seats 7, and the supporting platform seat 7 is provided with longitudinal direction The opening up fishback 8 for extending, the supporting platform seat 7 in the outside of the fishback 8 is provided with roof bolting reinforcement installation loose tool Frame walking track 9, the multiple connecting rods 10 from middle downward bendings also including longitudinally spaced setting, the connecting rod 10 is connected Between two fishbacks 8, the bending part both sides of the connecting rod 10 are respectively separated and are provided with multiple horizontal reinforcement locating racks 11;
The roof bolting reinforcement installation molding bed rack includes being slidably disposed within two roof bolting reinforcement installation molding bed rack walking tracks 9 Between roof bolting reinforcing bar storage trolley 12, the roof bolting reinforcing bar storage trolley 12 along the length side of supporting platform seat 7 To side be provided with anchor bar locating rack 13, on the anchor bar locating rack 13 along the width of supporting platform seat 7 be spaced It is provided with multiple anchor bar location holes 14.
Also include overall framework of steel reinforcement mast-up 15, the mast-up of overall framework of steel reinforcement 15 is section purlin triangular in shape Frame.
When the present invention is used, its beam rib reinforcement skeleton carries out colligation, horizontal reinforcement using its molding bed rack(Namely in Fig. 2 In transverse steel)Be erected at up and down successively on beam rib reinforcement support bar 2, the distance between beam rib reinforcement support bar 2 be by The measuring and calculating of standard determines, therefore ensures horizontal reinforcement positioning precision, beam rib lower rebar using beam rib reinforcement support bar 2 Locating groove 6 and beam rib upper reinforcement locating groove 5 position the beam rib reinforcement on top and the beam rib reinforcement of bottom respectively.This hair Bright wing plate framework of steel reinforcement carries out colligation using its molding bed rack, and negative reinforcement positioning is positioned using fishback 8, fishback 8 Between tooth pitch be exactly negative reinforcement distance, accurate positioning, the lateral separation of horizontal reinforcement utilizes horizontal reinforcement locating rack Positioned so that its horizontal spacing keeps accurate, and its horizontal reinforcement locating rack can be a reeded plank in top, Can be two spaced vertical bars, the gap between two vertical bars constitutes locating slot.Top board anchor of the invention Gu reinforcing bar is installed molding bed rack and installed in colligation using it, the roof bolting reinforcing bar storage trolley 12 on its molding bed rack is placed Between two roof bolting reinforcement installation molding bed rack walking tracks 9, its anchor bar location hole 14 is used for positioning top surface anchoring Reinforcing bar, anchor bar locating rack 13 can include two and be spaced the connecting rod for being connected to roof bolting reinforcing bar storage trolley 12, two A rectangular slab is connected between individual connecting rod free end, rectangular slab on the end of storage trolley away from being interval with multiple openings Groove.The two ends of triangular truss are lifted respectively using two straddle trucks, then by the bottom surface of triangle and mounted Precast T-Beam Skeleton is fixed together, and then lifting triangular truss can sling transhipment skeleton, its triangular truss use two it is small-sized Straddle truck is used cooperatively, including 10# is used in bottom 12# chan frame, top 20a I-shapeds gooseneck, triangular support bracket and connection Angle steel.
Ensure Precast T-Beam beam rib steel-bar binding specification, Precast T-Beam wing plate reinforcing bar colligation specification, Precast T-Beam top surface anchoring steel Muscle colligation specification, while save bar bender receiving and colligation Precast T-Beam beam rib reinforcement, colligation Precast T-Beam wing plate reinforcing bar, installation T The time of back plate anchor bar, carry out continuous productive process, improve production efficiency, using Precast T-Beam beam rib reinforcement skeleton molding bed rack, Precast T-Beam wing plate framework of steel reinforcement molding bed rack, Precast T-Beam roof bolting reinforcement installation molding bed rack coordinate Precast T-Beam wing plate reinforcing bar Frame molding bed rack is used, and substantially increases live standardized management level, while it is easy to quality control personnel to exercise supervision inspection, profit With Precast T-Beam entirety framework of steel reinforcement mast-up carry out Precast T-Beam entirety framework of steel reinforcement lifting work, improve production efficiency, together Shi Tigao precasting yards scene standardized management level.

Claims (2)

1. Precast T-Beam reinforcing bar molding bed rack system, including beam rib reinforcement skeleton molding bed rack, wing plate framework of steel reinforcement molding bed rack and top board anchor Gu reinforcement installation molding bed rack, it is characterised in that the beam rib reinforcement skeleton molding bed rack includes beam rib steel-bar binding pedestal(1), institute State beam rib steel-bar binding pedestal(1)Left side longitudinally spaced be provided with multiple beam rib reinforcement support bars(2), the beam rib reinforcement support Bar(2)Front side be vertically interval with multiple horizontal reinforcement abutment sleeves(3), the horizontal reinforcement abutment sleeve(3)Inside wear There is horizontal reinforcement locating rod(4), the beam rib reinforcement support bar(2)Towards beam rib steel-bar binding pedestal(1)Side upper end set There is upper beam rib reinforcement locating groove(5), the beam rib reinforcement support bar(2)The beam rib steel-bar binding pedestal on right side(1)Upper end Face is longitudinally spaced to be provided with multiple and upper beam rib reinforcement locating groove(5)Corresponding lower beam rib reinforcement locating groove(6);
The wing plate framework of steel reinforcement molding bed rack includes two spaced supporting platform seats(7), the supporting platform seat(7)It is provided with The opening up fishback of Longitudinal extending(8), the fishback(8)The supporting platform seat in outside(7)It is provided with roof bolting steel Muscle installs molding bed rack walking track(9), the multiple connecting rods from middle downward bending also including longitudinally spaced setting(10), institute State connecting rod(10)It is connected to two fishbacks(8)Between, the connecting rod(10)Bending part both sides are respectively separated and are provided with multiple Horizontal reinforcement locating rack(11);
The roof bolting reinforcement installation molding bed rack includes being slidably disposed within two roof bolting reinforcement installation molding bed rack walking tracks (9)Between roof bolting reinforcing bar storage trolley(12), the roof bolting reinforcing bar storage trolley(12)Along supporting platform seat (7)The side of length direction is provided with anchor bar locating rack(13), the anchor bar locating rack(13)On along supporting platform seat (7)Width is interval with multiple anchor bar location holes(14).
2. Precast T-Beam reinforcing bar molding bed rack system according to claim 1, it is characterised in that also including overall framework of steel reinforcement Mast-up(15), the overall framework of steel reinforcement(15)Mast-up is section truss triangular in shape.
CN201710030013.7A 2017-01-17 2017-01-17 Precast T-Beam reinforcing bar molding bed rack system Pending CN106738308A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710030013.7A CN106738308A (en) 2017-01-17 2017-01-17 Precast T-Beam reinforcing bar molding bed rack system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710030013.7A CN106738308A (en) 2017-01-17 2017-01-17 Precast T-Beam reinforcing bar molding bed rack system

Publications (1)

Publication Number Publication Date
CN106738308A true CN106738308A (en) 2017-05-31

Family

ID=58945913

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710030013.7A Pending CN106738308A (en) 2017-01-17 2017-01-17 Precast T-Beam reinforcing bar molding bed rack system

Country Status (1)

Country Link
CN (1) CN106738308A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109692927A (en) * 2018-12-27 2019-04-30 中建四局第六建筑工程有限公司 A kind of tire film frame assembly and its construction method
CN109822740A (en) * 2019-03-13 2019-05-31 中国十七冶集团有限公司 A kind of the reinforcing bar binding molding bed rack and application method of Precast T-Beam wing plate
CN112192746A (en) * 2020-10-21 2021-01-08 济南海河建设项目管理有限公司 Whole installation device of prefabricated T roof beam pterygoid lamina reinforcing bar of road bridge

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2309391A1 (en) * 1972-02-29 1973-09-06 Milos Mitrovic PREFABRICATED SEMI-HEAVY, LOAD-BEARING AND INSULATING ELEMENT AND METHOD OF CONSTRUCTION OF FLOORS AND WALLS WITH THIS ELEMENT
EP0345620A2 (en) * 1988-06-07 1989-12-13 Hans-Peter Dr.-Ing. Andrä Concrete beam with t-beam form
CN103507157A (en) * 2012-06-29 2014-01-15 中铁二十二局集团第三工程有限公司 Prefabricated T beam rib plate reinforcement steel bar locating frame
CN103921347A (en) * 2014-04-25 2014-07-16 安徽省路桥工程集团有限责任公司 Thrusting type fixing and mounting formwork for prefabricated T-beam ribbed plate rebars and prestressed pipes
CN204076498U (en) * 2014-07-28 2015-01-07 中国建筑第六工程局有限公司 A kind of Precast T-Beam beam rib steel-bar binding location moulding bed
CN204748920U (en) * 2015-07-14 2015-11-11 刘玉华 Equipment of prefabricated T roof beam steel reinforcement cage processing bed -jig is put
CN205614823U (en) * 2016-04-01 2016-10-05 中铁十六局集团铁运工程有限公司 Well beam bridge face plate steel rib ligature mould

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2309391A1 (en) * 1972-02-29 1973-09-06 Milos Mitrovic PREFABRICATED SEMI-HEAVY, LOAD-BEARING AND INSULATING ELEMENT AND METHOD OF CONSTRUCTION OF FLOORS AND WALLS WITH THIS ELEMENT
EP0345620A2 (en) * 1988-06-07 1989-12-13 Hans-Peter Dr.-Ing. Andrä Concrete beam with t-beam form
CN103507157A (en) * 2012-06-29 2014-01-15 中铁二十二局集团第三工程有限公司 Prefabricated T beam rib plate reinforcement steel bar locating frame
CN103921347A (en) * 2014-04-25 2014-07-16 安徽省路桥工程集团有限责任公司 Thrusting type fixing and mounting formwork for prefabricated T-beam ribbed plate rebars and prestressed pipes
CN204076498U (en) * 2014-07-28 2015-01-07 中国建筑第六工程局有限公司 A kind of Precast T-Beam beam rib steel-bar binding location moulding bed
CN204748920U (en) * 2015-07-14 2015-11-11 刘玉华 Equipment of prefabricated T roof beam steel reinforcement cage processing bed -jig is put
CN205614823U (en) * 2016-04-01 2016-10-05 中铁十六局集团铁运工程有限公司 Well beam bridge face plate steel rib ligature mould

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109692927A (en) * 2018-12-27 2019-04-30 中建四局第六建筑工程有限公司 A kind of tire film frame assembly and its construction method
CN109822740A (en) * 2019-03-13 2019-05-31 中国十七冶集团有限公司 A kind of the reinforcing bar binding molding bed rack and application method of Precast T-Beam wing plate
CN112192746A (en) * 2020-10-21 2021-01-08 济南海河建设项目管理有限公司 Whole installation device of prefabricated T roof beam pterygoid lamina reinforcing bar of road bridge

Similar Documents

Publication Publication Date Title
CN110722318A (en) Precise adjustable steel truss assembling jig frame and assembling method
CN107336346B (en) Beam making pedestal
CN106738308A (en) Precast T-Beam reinforcing bar molding bed rack system
CN102296581B (en) Method and device for installing longitudinal guide rail
CN110549487A (en) Movable precast box girder web plate steel bar positioning jig frame and construction method thereof
CN104831632A (en) Upper transverse beam and lower transverse beam construction method for bridge cable bent tower
CN201738597U (en) Sectional steel and steel pipe combined type support system of beam with high and large cross section
CN104999557A (en) Bracket for binding of precast box beam steel bars
CN109469083B (en) Foundation beam reinforcement cage assembling system and construction method thereof
CN206383280U (en) Precast T-Beam wing plate framework of steel reinforcement molding bed rack
CN106978783B (en) Hanging basket for pouring inclined web type continuous beam cantilever
CN106284989B (en) The sliding form bracing system of double track and complete construction method
CN201933791U (en) Integral bar reinforcement binding and positioning device for simple-box double-cell full span box girder
CN103921347B (en) Precast T-Beam floor reinforcing bar, prestress pipe are fixed draw and insert-type and are installed mould bases
CN201330365Y (en) Bench formwork trolley for construction of two-course pavement structure in tunnel
CN214658650U (en) Combined platform suitable for large-scale hoisting machinery floor operation
CN210651273U (en) Movable prefabricated T-beam jig steel bar mounting device
CN208615041U (en) A kind of prefabricated case beam door rebar positioning bogie
CN103821360A (en) Construction method for high-altitude long-span cantilever formwork
CN115431400A (en) Box girder jig frame
CN206383281U (en) Precast T-Beam roof bolting reinforcement installation molding bed rack
CN203765784U (en) Fixed drawing-inserting type installing mould frame for prefabricated T-beam rib plate reinforcing steel bar and pre-stressed pipeline
CN203531349U (en) Novel high-bearing easily-dismantled overhanging type scaffold
CN202730709U (en) Movable formwork for construction of dock wall
CN211341483U (en) Novel scissors stair structure

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20170531

RJ01 Rejection of invention patent application after publication