CN105696747B - The construction method of high-altitude long-span reinforced concrete beam - Google Patents

The construction method of high-altitude long-span reinforced concrete beam Download PDF

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Publication number
CN105696747B
CN105696747B CN201610078457.3A CN201610078457A CN105696747B CN 105696747 B CN105696747 B CN 105696747B CN 201610078457 A CN201610078457 A CN 201610078457A CN 105696747 B CN105696747 B CN 105696747B
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CN
China
Prior art keywords
steel
altitude long
reinforced concrete
construction method
span
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Expired - Fee Related
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CN201610078457.3A
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Chinese (zh)
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CN105696747A (en
Inventor
于成江
顾吉海
章慧蓉
崔爱珍
张斌
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Tianjin Construction Engineering Co Ltd of China Construction Eighth Engineering Division Co Ltd
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China Construction Eighth Engineering Division Co Ltd
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Priority to CN201610078457.3A priority Critical patent/CN105696747B/en
Publication of CN105696747A publication Critical patent/CN105696747A/en
Application granted granted Critical
Publication of CN105696747B publication Critical patent/CN105696747B/en
Expired - Fee Related legal-status Critical Current
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00Structural elongated elements designed for load-supporting
    • E04C3/02Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/20Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of concrete or other stone-like material, e.g. with reinforcements or tensioning members
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C5/00Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
    • E04C5/01Reinforcing elements of metal, e.g. with non-structural coatings
    • E04C5/06Reinforcing elements of metal, e.g. with non-structural coatings of high bending resistance, i.e. of essentially three-dimensional extent, e.g. lattice girders
    • E04C5/0604Prismatic or cylindrical reinforcement cages composed of longitudinal bars and open or closed stirrup rods
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G13/00Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills
    • E04G13/04Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills for lintels, beams, or transoms to be encased separately; Special tying or clamping means therefor
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Rod-Shaped Construction Members (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)

Abstract

The invention provides a kind of construction method of high-altitude long-span reinforced concrete beam, including:The quantity of type steel skeleton is calculated, welds type steel skeleton;HOOK BOLTS is installed in type steel skeleton bottom;Steel reinforcement cage is installed, protective layer cushion block is fixed in its side and bottom surface;Beam bottom board, horizontal flitch and steel pipe cross-arm are installed;Beam side, vertical flitch, steel pipe cross-arm and the spacing flitch of back are installed;It will treat that pouring structure integral hoisting is in place;Gradation casting concrete being layered, afterwards by may move hanging hanging basket form removal, and cutting off split bolt and HOOK BOLTS.The high-altitude long-span reinforced concrete beam construction method of the present invention, by completing the whole assembling for treating pouring structure on ground, it is carried out to lift in place, then casting concrete, the method of last form removal, there is distinguishing feature for the construction of high-altitude long-span beam, both improve construction quality, the steadiness of beams of concrete is enhanced simultaneously, ensure that the safety of construction operation.

Description

The construction method of high-altitude long-span reinforced concrete beam
Technical field
The invention belongs to the realm of building construction, refers in particular to a kind of construction method of high-altitude long-span reinforced concrete beam.
Background technology
With the fast development of construction industry, in order to meet the requirement such as function, decorative effect, for buildings or structures, high-altitude Large-span RC girder is of common occurrence, and the high-supported formwork in construction has larger potential safety hazard, is intended to seek a kind of construction method, can Fundamentally to solve the great key technique problem that high-supported formwork support system easily collapses.
The content of the invention
The defects of it is an object of the invention to overcome present in prior art, now provide a kind of easy construction, safe and reliable High-altitude long-span reinforced concrete beam construction method.
The present invention provides a kind of construction method of high-altitude long-span reinforced concrete beam, comprises the following steps:
Calculate to substitute the quantity of the type steel skeleton of former design reinforced beam longitudinal reinforcement and stirrup, weld shaped steel Skeleton, form a space truss system;
HOOK BOLTS is installed in the type steel skeleton bottom, makes the HOOK BOLTS tight with type steel skeleton by fixing nut It is solidly connected;
Steel reinforcement cage is installed, protective layer cushion block is fixed in the side of the steel reinforcement cage and bottom surface;
Beam bottom board, horizontal flitch and steel pipe cross-arm are installed, beam bottom board is reinforced by the HOOK BOLTS;
Beam side, vertical flitch and steel pipe cross-arm are installed, two side forms are reinforced by split bolt, and the spacing wood of back is installed Side, complete the assembling for treating pouring structure of high-altitude long-span reinforced concrete beam;
By it is described be completed treat that pouring structure integral hoisting is in place, interim fixation is taken, to strong point position Template gap is blocked;
According to overlapping beam construction method layering gradation casting concrete, by removable after concrete strength meets the requirements Hanging hanging basket form removal, and split bolt and HOOK BOLTS are cut off, complete the construction of high-altitude long-span reinforced concrete beam.
High-altitude long-span reinforced concrete beam of the present invention construction method further improvement is that:The type steel skeleton four Angle is respectively equipped with angle steel and angle steel under twice in twice, and the upper angle steel is supported with lower angle steel by vertical angle steel and horizontal corner steel Supporting welding.
High-altitude long-span reinforced concrete beam of the present invention construction method further improvement is that:The steel reinforcement cage includes Plural longitudinal reinforcement and stirrup, the longitudinal reinforcement are welded on the type steel skeleton, and the stirrup is located on the shaped steel bone The border of frame.
High-altitude long-span reinforced concrete beam of the present invention construction method further improvement is that:The split bolt two Side is respectively equipped with a grade mould rod.
Due to using above technical scheme, the beneficial effect made it have is the present invention:
The present invention is carried out lifting in place to it, then poured mixed by completing the whole assembling for treating pouring structure on ground Solidifying soil, the method for last form removal, there is distinguishing feature for the construction of high-altitude long-span beam, both improved construction quality, true Protect construction speed and reduce engineering cost, while enhance the steadiness of beams of concrete, ensure that the safety of construction operation.
Brief description of the drawings
Fig. 1 is the section steel beam and reinforcement cage skeleton peace of a kind of high-altitude long-span reinforced concrete beam construction method of the present invention Install into schematic diagram.
Fig. 2 is a kind of high-altitude long-span reinforced concrete beam construction method formwork schematic diagram of the present invention.
Fig. 3 is a kind of high-altitude long-span reinforced concrete beam construction method beam bottom formwork reinforcement drawing of the present invention.
Fig. 4 is a kind of high-altitude long-span reinforced concrete beam construction method split bolt schematic diagram of the present invention.
Embodiment
For the benefit of to the understanding of structure of the invention, illustrated below in conjunction with drawings and Examples.
As shown in Figures 1 to 4, high-altitude long-span reinforced concrete beam of the invention treats pouring structure, including a shaped steel Skeleton 1, the corner of type steel skeleton 1 are respectively equipped with angle steel 11 and angle steel 13 under twice, upper angle steel 11 in twice and led to lower angle steel 13 Cross vertical angle steel support 12 and the welding of horizontal corner steel support 14.
Type steel skeleton 1 is coated with a steel reinforcement cage 2, and steel reinforcement cage 2 includes plural longitudinal reinforcement 21 and stirrup 22, its longitudinal steel Muscle 21 is welded on type steel skeleton 1, and stirrup 22 is located on the border of type steel skeleton 1, and the sidepiece of steel reinforcement cage 2 passes through one first tensioning Component is fastened with plural side form 31, and the first tensioning component includes vertical flitch 33, steel pipe cross-arm 43 and split bolt 42, to drawing The both sides of bolt 42 are provided with shelves mould rod 421, to spacing to side form 31, it is obtained side in the fastener cycle to split bolt 42 To positioning, vertical flitch 33 is resisted against the outside of side form 31, and steel pipe cross-arm 43 is resisted against the vertical outside of flitch 33, and split bolt 42 is worn Located at side form 31, vertical flitch 33 and steel pipe cross-arm 43, and coordinate the butterfly fastener 412 and double nut of the termination of split bolt 42 413 tensioning fasten.The bottom of steel reinforcement cage 2 is fastened with a bed die 32 by one second tensioning component, and the second tensioning component includes horizontal stroke To flitch 34, steel pipe cross-arm 43 and HOOK BOLTS 41;The corresponding position of HOOK BOLTS 41 of lower angle steel 13 hooks formed with through hole 131 Hook bolt 41 runs through through hole 131, horizontal flitch 34 and steel pipe cross-arm 43, and the eave tile portion of HOOK BOLTS 41 hooks tight type steel skeleton 1 And coordinate the butterfly fastener 412 of termination, the tensioning of double nut 413 fastening, beam side 31 is fallen within the top of bed die 32, side form 31 Vertical flitch 33 is located at the top of the horizontal flitch 34 of the both sides of bed die 32, so as to form a template system 3.
In construction, former design reinforced beam longitudinal reinforcement and stirrup can be substituted by calculating type steel skeleton 1 first Quantity, angle steel 11 and lower angle steel 13 in welding, in advance in the base opened hole 131 of lower angle steel 13, after the completion of carry out type steel skeleton 1 Spelling and welding, formed a space truss system, one HOOK BOLTS is installed respectively in the position of the lower angle steel 13 of type steel skeleton 1 41 (such as Fig. 2 and Fig. 3), HOOK BOLTS 41 pass through the through hole 131 on the lower base of angle steel 13, pass through the fixation spiral shell at the middle part of HOOK BOLTS 41 Mother 411 makes HOOK BOLTS 41 be not easy to rotate or move up and down in installation process, and is fastenedly connected with type steel skeleton 1.
Steel reinforcement cage 2 is then installed, the longitudinal reinforcement 21 of steel reinforcement cage 2 is fixed on type steel skeleton 1 by spot welding, stirrup 22 The border of type steel skeleton 1 is looped around, plural protective layer cushion block 23 is fixed respectively in the side of steel reinforcement cage 2 and bottom surface, then in reinforcing bar Outside installation side form 31 and the bed die 32 of cage 2, due to adding protective layer cushion block 23 between steel reinforcement cage 2 and template, so as to increase Frictional force between type steel skeleton 1 and template, and the contact position of side form 31 and bed die 32 is pasted with plastic glue strip.
Then horizontal flitch 34 and steel pipe cross-arm 43 are installed, the steel pipe cross-arm 43 is double steel pipe, as shown in figure 3, beam bottom Worn by HOOK BOLTS 41 into steel pipe cross-arm 43, horizontal flitch 34, bed die 32 to fasten beam bottom board 32, and HOOK BOLTS 41 Termination butterfly fastener 412 and double nut 413 are tightened, and are then installed vertical flitch 33 and split bolt 42, are passed through split bolt 42 wear into beam both sides steel pipe cross-arm 43, vertical flitch 33 and side form 31 to fasten beam side 31, and its termination also uses butterfly button Part 412 and double nut 413 are tightened.
Further coordinate shown in Fig. 4, shelves mould rod 421 can be set in the both sides of split bolt 42, this grade of mould rod 421 fits in The interior die face of side form 32, make side form be not easy inwardly to offset in fastener cycle, side form 31 is located in two grades with vertical flitch 33 It between mould rod 421 and steel pipe cross-arm 43, ensure that beam section size meets the requirements, be advantageous to the fastening to side form 31, and install The spacing flitch 35 of back, spacing flitch 35 is located at 31 both sides suitable for reading of side form, to play firm effect to side form 31.
Protective frame finally is installed using beam bottom steel pipe cross-arm 43, just completes the assembling of reinforced beam.Complete assembling Afterwards, by the steel reinforcement cage 2 being completed and template system to treat that pouring structure carries out integral hoisting in place, take interim fixation to arrange Apply, strong point position template gap is blocked, then to its casting concrete, vibrated, treated before concrete initial set Concrete strength cuts off split bolt 42 and HOOK BOLTS 41 after meeting the requirements, and by may move hanging hanging basket form removal, So as to complete the construction of reinforced beam.
The high-altitude long-span reinforced concrete beam construction method of the present invention, by completing entirely to treat pouring structure on ground Assembling, it is carried out to lift in place, then casting concrete, the method for last form removal, constructs for high-altitude long-span beam With distinguishing feature, construction quality was both improved, ensure construction speed and has reduced engineering cost, while has enhanced beams of concrete Steadiness, ensure that the safety of construction operation.

Claims (3)

1. a kind of construction method of high-altitude long-span reinforced concrete beam, it is characterised in that comprise the following steps:
Calculate to substitute the quantity of the type steel skeleton of former design reinforced beam longitudinal reinforcement and stirrup, solder type reinforcing bar Frame, forms a space truss system, and the type steel skeleton corner is respectively equipped with angle steel and angle steel under twice, the upper angle in twice Steel is supported on described in twice with lower angle steel by the support of vertical angle steel with horizontal corner steel supporting welding, the horizontal corner steel Between the medial surface of angle steel, the vertical angle steel support is supported between the upper angle steel and the medial surface of the lower angle steel;
HOOK BOLTS is installed in the type steel skeleton bottom, the HOOK BOLTS is fastened with type steel skeleton by fixing nut and connects Connect;
Steel reinforcement cage is installed, protective layer cushion block is fixed in the side of the steel reinforcement cage and bottom surface;
Beam bottom board, horizontal flitch and steel pipe cross-arm are installed, beam bottom board is reinforced by the HOOK BOLTS;
Beam side, vertical flitch and steel pipe cross-arm are installed, two side forms are reinforced by split bolt, and the spacing flitch of back is installed, Complete the assembling for treating pouring structure of high-altitude long-span reinforced concrete beam;
By it is described be completed treat that pouring structure integral hoisting is in place, interim fixation is taken, to strong point position template Gap is blocked;
According to overlapping beam construction method layering gradation casting concrete, by removable hanging after concrete strength meets the requirements Hanging basket form removal, and split bolt and HOOK BOLTS are cut off, complete the construction of high-altitude long-span reinforced concrete beam.
2. the construction method of high-altitude long-span reinforced concrete beam as claimed in claim 1, it is characterised in that:The steel reinforcement cage Including plural longitudinal reinforcement and stirrup, the longitudinal reinforcement is welded on the type steel skeleton, and the stirrup is located on the type The border of steel skeleton.
3. the construction method of high-altitude long-span reinforced concrete beam as claimed in claim 1, it is characterised in that:Described pair of drawing spiral shell Bolt both sides are respectively equipped with a grade mould rod.
CN201610078457.3A 2013-03-05 2013-03-05 The construction method of high-altitude long-span reinforced concrete beam Expired - Fee Related CN105696747B (en)

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CN201310069678.0A CN103114681B (en) 2013-03-05 2013-03-05 High-altitude long-span reinforced concrete beam treat pouring structure
CN201610078457.3A CN105696747B (en) 2013-03-05 2013-03-05 The construction method of high-altitude long-span reinforced concrete beam

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CN105952060A (en) * 2016-06-24 2016-09-21 东南大学 Precast beam reinforcement cage component and assembling method thereof
CN106245770B (en) * 2016-08-31 2018-09-04 中国建筑第八工程局有限公司 Expanded letter variable cross-section annular stiffness beam construction method
CN106930459A (en) * 2017-04-23 2017-07-07 江苏旺材科技有限公司 A kind of superimposed sheet hoard strip hangs shell template
CN107700654B (en) * 2017-08-25 2020-04-24 湖北工程学院 Reinforced concrete frame joint
CN108381730B (en) * 2018-04-23 2024-05-03 中国建筑第七工程局有限公司 Manufacturing device and manufacturing method of hybrid beam
CN109025072A (en) * 2018-08-21 2018-12-18 中国十七冶集团有限公司 A kind of construction method of plate above formula beam bottom cover to reinforcement
CN109826448B (en) * 2019-03-11 2024-01-26 中建五局安装工程有限公司 Lifting, hoisting and positioning device for concrete wall panel
CN109914697B (en) * 2019-04-18 2023-07-14 中民筑友房屋科技集团有限公司 Prefabricated column for assembled frame structure building
CN110126063A (en) * 2019-04-28 2019-08-16 中建二局第一建筑工程有限公司 A kind of tower crane counterweight producing device
CN110593411B (en) * 2019-08-27 2021-06-08 江苏南通三建集团股份有限公司 Construction method of high-rise high-altitude suspended large-span beam
CN110512860A (en) * 2019-09-19 2019-11-29 武汉悉道建筑科技有限公司 A kind of reinforcing bar integrated template system and preparation method thereof
CN111424972A (en) * 2020-04-16 2020-07-17 中国建筑第四工程局有限公司 Method and structure for reinforcing ultra-large type steel concrete beam side mold
CN112589995B (en) * 2020-11-25 2022-05-06 中铁大桥局上海工程有限公司 Protection device for prefabricated upright column reinforcing steel bar frame protective layer cushion block and construction method thereof
CN114541240B (en) * 2022-02-14 2024-06-04 中铁十一局集团第一工程有限公司 Reinforcing construction method and device for large-section high-web end template of cantilever beam
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CN103114681A (en) 2013-05-22
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Granted publication date: 20180327