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 PDFInfo
- 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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- Prior art keywords
- steel
- altitude long
- reinforced concrete
- construction method
- span
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- 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.)
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- 238000010276 construction Methods 0.000 title claims abstract description 38
- 239000011150 reinforced concrete Substances 0.000 title claims abstract description 23
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 94
- 239000010959 steel Substances 0.000 claims abstract description 94
- 230000002787 reinforcement Effects 0.000 claims abstract description 27
- 239000004567 concrete Substances 0.000 claims abstract description 13
- 238000005266 casting Methods 0.000 claims abstract description 6
- 239000011241 protective layer Substances 0.000 claims abstract description 5
- 238000003466 welding Methods 0.000 claims description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 2
- 229910000679 solder Inorganic materials 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 4
- 238000009415 formwork Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
- E04C3/20—Joists; 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
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/01—Reinforcing elements of metal, e.g. with non-structural coatings
- E04C5/06—Reinforcing elements of metal, e.g. with non-structural coatings of high bending resistance, i.e. of essentially three-dimensional extent, e.g. lattice girders
- E04C5/0604—Prismatic or cylindrical reinforcement cages composed of longitudinal bars and open or closed stirrup rods
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G13/00—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills
- E04G13/04—Falsework, 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
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
Landscapes
- 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
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.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201610078457.3A CN105696747B (en) | 2013-03-05 | 2013-03-05 | The construction method of high-altitude long-span reinforced concrete beam |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
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 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201310069678.0A Division CN103114681B (en) | 2013-03-05 | 2013-03-05 | High-altitude long-span reinforced concrete beam treat pouring structure |
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CN105696747A CN105696747A (en) | 2016-06-22 |
CN105696747B true CN105696747B (en) | 2018-03-27 |
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CN201310069678.0A Active CN103114681B (en) | 2013-03-05 | 2013-03-05 | High-altitude long-span reinforced concrete beam treat pouring structure |
CN201610078457.3A Expired - Fee Related CN105696747B (en) | 2013-03-05 | 2013-03-05 | The construction method of high-altitude long-span reinforced concrete beam |
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CN201310069678.0A Active CN103114681B (en) | 2013-03-05 | 2013-03-05 | High-altitude long-span reinforced concrete beam treat pouring structure |
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CN106032702B (en) * | 2015-11-06 | 2018-09-25 | 广州容联建筑科技有限公司 | A kind of self-balancing monoblock type template assembly structure of reinforced beam |
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 |
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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 |
CN115653288A (en) * | 2022-11-07 | 2023-01-31 | 中国建筑第二工程局有限公司 | Modularized counter-pulling reinforcing component and template fastening system |
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Publication number | Publication date |
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CN105696747A (en) | 2016-06-22 |
CN103114681A (en) | 2013-05-22 |
CN103114681B (en) | 2016-06-01 |
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Effective date of registration: 20200521 Address after: 300457 no.2599 Binhe Road, Tanggu, Binhai New District, Tianjin Patentee after: Tianjin Construction Engineering Co.,Ltd. of China Construction Eighth Engineering Bureau Address before: 200122, No. 1568, Century Avenue, Shanghai, 27, Pudong New Area Patentee before: CHINA CONSTRUCTION EIGHTH ENGINEERING DIVISION Co.,Ltd. |
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