CN110424733A - A kind of high-altitude long-span overhung exempts from floor-type support structure and its construction method - Google Patents
A kind of high-altitude long-span overhung exempts from floor-type support structure and its construction method Download PDFInfo
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- CN110424733A CN110424733A CN201910575390.8A CN201910575390A CN110424733A CN 110424733 A CN110424733 A CN 110424733A CN 201910575390 A CN201910575390 A CN 201910575390A CN 110424733 A CN110424733 A CN 110424733A
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- 238000010276 construction Methods 0.000 title claims abstract description 23
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 109
- 239000010959 steel Substances 0.000 claims abstract description 109
- 230000002787 reinforcement Effects 0.000 claims abstract description 49
- 238000004873 anchoring Methods 0.000 claims abstract description 46
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 17
- 230000003014 reinforcing effect Effects 0.000 claims description 23
- 230000000694 effects Effects 0.000 claims description 8
- 238000003466 welding Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
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- 238000005498 polishing Methods 0.000 claims description 3
- 238000010408 sweeping Methods 0.000 claims description 3
- 238000009435 building construction Methods 0.000 abstract description 2
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- 210000000988 bone and bone Anatomy 0.000 description 1
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- 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
- E04G13/06—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills for stairs, steps, cornices, balconies, or other parts corbelled out of the wall
- E04G13/066—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills for stairs, steps, cornices, balconies, or other parts corbelled out of the wall for overhangs
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Abstract
The present invention relates to technical field of building construction more particularly to a kind of high-altitude long-span overhung to exempt from floor-type support structure and its construction method.Including N layers of Vierendeel girder and N+1 layers of Vierendeel girder, the N layers of Vierendeel girder is embedded with anchoring ring, the anchoring ring is fixed with several I-steel, the I-steel one end overhangs prominent N layers of Vierendeel girder and is fixed with movable anchor chair in end, the N+1 layers of end of frame girder is embedded with built-in fitting, the built-in fitting is fixed with movable anchor chair, two movable anchor chairs are connected by two high tensile reinforcements, the high tensile reinforcement both ends are equipped with screw thread, two high tensile reinforcement is connected and is tensed by bidirectional fastening connector, steel pipe scaffold is set up on the I-steel and the N+1 layers of Vierendeel girder, the steel pipe scaffold top is equipped with N+2 layers of overhanging frame structure beam to be poured, structure is simple, securely and reliably, it is easy to operate, it improves work efficiency, save the cost.
Description
Technical field
The present invention relates to technical field of building construction more particularly to a kind of high-altitude long-span overhung exempt from floor-type support structure and
Its construction method.
Background technique
In recent years, with the development of the high-end construction market in China, library, arts center, gymnasium etc. have special formed
It is required that public building or infrastructure by using high-altitude long-span concrete overhanging structural construction construct when, currently, domestic
High-altitude long-span overhung structure and concrete oblique column template support system in outer engineering construction project still use stand fan
Full hall scaffold, the system template install traditional method, and process is tedious, and required circulation material is more, and it is long to set up and remove the time, apply
Work low efficiency.Scaffolding height is big, attached wall requires height, and construction loads and dead load have falsework to undertake, meanwhile, steel pipe is taken
If being connected with fastener, steel pipe stress is eccentric load, and on-site actual situations and design, which calculate, certain gap, it is necessary to fully consider
Enough safety stocks.
Meanwhile structure and construction loads are excessive, can be unable to accurate judgement calculating scaffold supporting course or component bear.In
In high-altitude long-span overhung structure construction, Chang Xuanyong conventional steel fastener bracket, but overhang height it is larger when, it has to set up more
Layer frame needs a large amount of circulation materials, sets up and remove that labour is big, and time-consuming, unfavorable to the duration, and lands steel pipe scaffold and be
Fastener connection, scaffolding height is bigger, and easier unstability, security risk is bigger, while needing in storey setting multilayer sustaining wall, later period
Deal with the hidden danger of quality for be easy to causeing floor to seep water improperly.Or delta-type steel truss support is selected, but required Production Time is long,
Install time-consuming and laborious, cost is higher, unfavorable to duration and cost.
Summary of the invention
To solve the above problems, the present invention propose a kind of high-altitude long-span overhung exempt from floor-type support structure and its
Construction method, structure is simple, securely and reliably, easy to operate, improves work efficiency, save the cost.
To achieve the goals above, the present invention uses following scheme:
A kind of high-altitude long-span overhung exempts from floor-type support structure, including N layers of Vierendeel girder and N+1 layers of Vierendeel girder, the N layers of frame
It sets a roof beam in place and is embedded with anchoring ring, the anchoring ring is fixed with several I-steel, and the I-steel one end overhangs prominent N layers of Vierendeel girder simultaneously
It is fixed with movable anchor chair in end, the N+1 layers of end of frame girder is embedded with built-in fitting, and the built-in fitting is fixed with mooring drag
Support, two movable anchor chairs are connected by two high tensile reinforcements, and the high tensile reinforcement both ends are equipped with screw thread, and two high tensile reinforcement is logical
It crosses bidirectional fastening connector to connect and tense, sets up steel pipe scaffold on the I-steel and the N+1 layers of Vierendeel girder, it is described
Steel pipe scaffold top is equipped with N+2 layers of overhanging frame structure beam to be poured.
Preferably, the bidirectional fastening connector includes the connector skeleton of two reinforcing bars composition, the connector skeleton two
End is welded with two connector bolt sleeves, and the connector bolt sleeve is threadedly coupled with high tensile reinforcement.
Preferably, the I-steel is the I-steel of twin shaft symmetrical section of the height not less than 200mm, is by spacing
The twice anchoring ring of 200mm anchors, and is greater than 1.25 with the length of the anchoring section of anchoring ring anchoring and the lenth ratio of overhanging section.
Preferably, the movable anchor chair includes mooring drag base-plate, movable anchor chair side plate, bearing and cross anchor
Fixing bolt, two movable anchor chair side plates are welded on the mooring drag base-plate, and the activity anchor chair side plate is equipped with institute
Bearing is stated, the cross anchor bolt is made of internal thread reinforced bar sleeve and shaft reinforcing bar, and the shaft reinforcing bar and bearing turn
Dynamic connection, mantle fiber reinforced bar sleeve are threadedly coupled with high tensile reinforcement.
Preferably, the mooring drag base-plate and movable anchor chair side plate are 150mm × 150mm × 30mm, intensity
The steel plate of Q300, the bearing outside diameter are 75mm, and internal diameter 32mm, bearing centre point is apart from the upper following of movable anchor chair side plate
Away from 25mm is not less than, the internal thread reinforced bar sleeve and shaft reinforcing bar are that diameter 40mm, HRB500 high tensile reinforcement is made, and described turn
Axis reinforcing bar length is not less than 100mm.
Preferably, the built-in fitting by 250mm × 250mm × 30mm, Q300 steel plate and four long 250mm, HRB400,
Diameter is that the reinforced steel bar perforation plug welding of 25mm forms, and the high tensile reinforcement is the high tensile reinforcement of diameter 32mm, HRB500, end thread
Length is not less than 500mm.
Preferably, a kind of high-altitude long-span overhung exempts from floor-type support structure, construction method the following steps are included:
Step 1: establishment special construction plans for safety, and according to drawing, according to N+2 layers of overhanging frame structure beam associated components parameter
And band sets up the material parameter of template used bracket, steel pipe, fastener, calculates and determines I-steel cantilever span, steel pipe scaffold steel
Manage longitudinal and transverse, upright bar spacing, the parameter of bar of sweeping the floor, wall-connecting piece, bridging；
When 2:N layers of step, N+1 layers of construction of frame beam, according to relevant parameter in step 1, anchoring ring and built-in fitting are buried；
When 2.1:N layers of construction of frame beam, according to the I-steel cantilever span being calculated, I-steel transverse direction is calculated and determined
Spacing and anchoring depth are greater than 1.25, N layers of frame with the length of the anchoring section of anchoring ring anchoring and the lenth ratio of overhanging section
Before beam concreting, according to I-steel anchoring depth, away from anchoring ring embedded at its end 100mm, 300mm, anchoring ring
For " several " shape elbow, reinforcing bar reinforcement should be arranged in elbow top, in order to avoid prevent deviation when concreting；
When 2.2:N+1 layers of construction of frame beam, built-in fitting is buried in N+1 layers of end of frame girder, by four reinforcing bars of built-in fitting
It is fixed on frame beam reinforcement cages, when concreting prevents deviation；
Step 3: being laid with I-steel, I-steel is hoisted on built N layer Vierendeel girder using vertical transport equipment, work
It is plugged with 100mm × 150mm × 10mm steel plate cushion block between below word steel and above N layers of end of frame girder, I-steel packs into anchor
Gu ring and with gad or hard-wood wedge wedging；
Step 4: installation activity anchor chair, high tensile reinforcement
4.1: according to story height and overhanging span, intercepting two high tensile reinforcements, both ends of the thread length after the polishing of end
Then high tensile reinforcement one end is connect with the connector bolt bush whorl of bidirectional fastening connector by 500mm respectively, the other end point
It is not threadedly coupled with the internal thread reinforced bar sleeve of cross anchor bolt；
4.2: two mooring drag base-plates are overhang end and built-in fitting with I-steel respectively by adjustment high tensile reinforcement angle
Two-sided welding is fixed, and bidirectional fastening connector is adjusted, and is in high tensile reinforcement and is tightened tensile state；
Step 5: set up steel pipe scaffold template, according to the steel pipe scaffold steel pipe being calculated longitudinal and transverse, upright bar spacing,
It sweeps the floor the parameter of bar, wall-connecting piece, bridging, steel pipe scaffold I-steel is laid on I-steel overhanging end, in steel pipe scaffold
Steel pipe scaffold template is set up by specification and scheme requirement on I-steel；
Step 6: checking again for, finely tune bidirectional fastening connector, be in high tensile reinforcement and tighten tensile state.
A kind of high-altitude long-span overhung provided by the invention exempts from floor-type support structure, according to spies such as high-altitude, Long-span Cantilevers
Point realizes that platform is built in high-altitude, effectively avoids leading to high-supported formwork support system unstability because cantilevered structure load is larger, and scene is applied
Work is simple, easy to assembly, is easy to reinforce, and assembling and disassembling is convenient, and work efficiency is high, and safe and reliable；It can reuse, reduction is constructed into
This, good appearance.
Detailed description of the invention
Fig. 1 is that a kind of high-altitude long-span overhung of the present invention exempts from floor-type support structural schematic diagram；
Fig. 2 is mooring drag bearing structure illustration of the present invention；
Fig. 3 is bidirectional fastening connector construction schematic diagram of the present invention；
5. high tensile reinforcement of the movable anchor chair of 1. I-steel, 2. anchoring ring, 3. steel pipe scaffold 4., 6. bidirectional fastening in figure
The movable anchor chair of 10.N+2 layers of overhanging frame structure beam of connector 8.N layers of 7. built-in fitting 9.N+1 layers of Vierendeel girder Vierendeel girder 41. bottom
61. connector skeleton of movable anchor chair side plate 43. bearing, the 44. cross anchor bolt of plate 42., 62. connector bolt set
Cylinder
Specific embodiment
A kind of high-altitude long-span overhung to further describe the present invention exempts from floor-type support structure, with reference to the accompanying drawing to it
It is described further.
In Fig. 1-3: a kind of high-altitude long-span overhung exempts from floor-type support structure, including N layers of Vierendeel girder 8 and N+1 layers of Vierendeel girder
9, the N layers of Vierendeel girder 8 is embedded with anchoring ring 2, and the anchoring ring 2 is fixed with several I-steel 1, and the I-steel 1 is height
The I-steel of twin shaft symmetrical section not less than 200mm is anchored by the twice anchoring ring 2 that spacing is 200mm, with anchoring ring 2
The length of the anchoring section of anchoring and the lenth ratio of overhanging section are greater than 1.25, and described 1 one end of I-steel overhangs prominent N layers of Vierendeel girder
8 and movable anchor chair 4 is fixed in end, the activity anchor chair 4 includes mooring drag base-plate 41, movable anchor chair side plate
42, bearing 43 and cross anchor bolt 44 are welded with two movable anchor chair side plates 42, institute on the mooring drag base-plate 41
Movable anchor chair side plate 42 is stated equipped with the bearing 43, the cross anchor bolt 44 is by internal thread reinforced bar sleeve and shaft
Reinforcing bar composition, the shaft reinforcing bar and bearing 43 are rotatablely connected, and mantle fiber reinforced bar sleeve is threadedly coupled with high tensile reinforcement 5, the work
Dynamic anchor chair bottom plate 41 and movable anchor chair side plate 42 are the steel plate of 150mm × 150mm × 30mm, intensity Q300, the axis
Holding 43 outer diameters is 75mm, and the upper bottom margin of internal diameter 32mm, the movable anchor chair side plate 42 of bearing 43 central point distance are not less than
25mm, the internal thread reinforced bar sleeve and shaft reinforcing bar are that diameter 40mm, HRB500 high tensile reinforcement is made, and the shaft reinforcing bar is long
Degree is not less than 100mm, and 9 end of N+1 layers of Vierendeel girder is embedded with built-in fitting 7, the built-in fitting 7 by 250mm × 250mm ×
The steel plate of 30mm, Q300 are formed with four long 250mm, HRB400, the reinforced steel bar perforation plug welding that diameter is 25mm, the high tensile reinforcement
5 be the high tensile reinforcement of diameter 32mm, HRB500, and end thread length is not less than 500mm, and the built-in fitting 7 is fixed with mooring drag
Support 4, two movable anchor chairs 4 are connected by two high tensile reinforcements 5, and 5 both ends of high tensile reinforcement are equipped with screw thread, two high-strength steel
Muscle 5 is connected and is tensed by bidirectional fastening connector 6, and the bidirectional fastening connector 6 includes the connector bone of two reinforcing bars composition
Frame 61,61 both ends of connector skeleton are welded with two connector bolt sleeves 62, the connector bolt sleeve 62 with it is high-strength
Reinforcing bar 5 is threadedly coupled, and sets up steel pipe scaffold 3, the steel pipe scaffold on the I-steel 1 and the N+1 layers of Vierendeel girder 9
3 tops are equipped with N+2 layers of overhanging frame structure beam 10 to be poured.
A kind of high-altitude long-span overhung exempts from floor-type support structure, construction method the following steps are included:
Step 1: establishment special construction plans for safety, and according to drawing, joined according to N+2 layers of 10 associated components of overhanging frame structure beam
Several and band sets up the material parameter of template used bracket, steel pipe, fastener, calculates and determines 1 cantilever span of I-steel, steel pipe scaffold
3 steel pipes are longitudinal and transverse, upright bar spacing, the parameter of bar of sweeping the floor, wall-connecting piece, bridging；
When 2:N layers, N+1 layers Vierendeel girder 9 of step are constructed, according to relevant parameter in step 1, anchoring ring 2 and built-in fitting are buried
7；
When 2.1:N layers of Vierendeel girder 8 are constructed, according to 1 cantilever span of I-steel being calculated, I-steel 1 is calculated and determined
Horizontal spacing and anchoring depth, the length of the anchoring section anchored with anchoring ring 2 and the lenth ratio of overhanging section are greater than 1.25, N
Before layer 8 concreting of Vierendeel girder, according to 1 anchoring depth of I-steel, away from anchoring ring embedded at its end 100mm, 300mm
2, anchoring ring 2 is " several " shape elbow, and reinforcing bar reinforcement should be arranged above elbow, in order to avoid prevent deviation when concreting；
When 2.2:N+1 layers of Vierendeel girder 9 are constructed, built-in fitting 7 is buried N+1 layers of 9 end of Vierendeel girder, by four of built-in fitting 7
Reinforcing bar is fixed on frame beam reinforcement cages, and when concreting prevents deviation；
Step 3: being laid with I-steel 1, I-steel 1 is hoisted to built N layer Vierendeel girder 8 using vertical transport equipment
On, 100mm × 150mm × 10mm steel plate cushion block, I-steel are plugged between 1 lower section of I-steel and N layers of 8 end of Vierendeel girder top
1 packs into anchoring ring 2 and with gad or hard-wood wedge wedging；
Step 4: installation activity anchor chair 4, high tensile reinforcement 5
4.1: according to story height and overhanging span, intercepting two high tensile reinforcements 5, both ends of the thread length after the polishing of end
Then 5 one end of high tensile reinforcement is threadedly coupled with the connector bolt sleeve 62 of bidirectional fastening connector 6 by 500mm respectively, another
End is threadedly coupled with the internal thread reinforced bar sleeve of cross anchor bolt 44 respectively；
4.2: adjustment 5 angle of high tensile reinforcement, by two mooring drag base-plates 41 respectively with I-steel 1 overhang end and in advance
7 two-sided welding of embedded part is fixed, and bidirectional fastening connector 6 is adjusted, and is in high tensile reinforcement 5 and is tightened tensile state；
Step 5: steel pipe scaffold 3 is set up, it is longitudinal and transverse according to 3 steel pipe of steel pipe scaffold being calculated, upright bar spacing, sweep
The parameter of the thin end of the scroll, wall-connecting piece, bridging overhangs in I-steel 1 and is laid with steel pipe scaffold I-steel on end, in steel pipe scaffold work
3 template of steel pipe scaffold is set up by specification and scheme requirement on word steel；
Step 6: checking again for, finely tune bidirectional fastening connector 6, be in high tensile reinforcement 5 and tighten tensile state.
The above content is just an example and description of the concept of the present invention, not detailed place, is the art
Well-known technique, affiliated those skilled in the art make various modifications or additions to the described embodiments or
It is substituted in a similar manner, it as long as it does not deviate from the concept of invention or beyond the scope defined by this claim, should all
It belongs to the scope of protection of the present invention.
Claims (7)
1. a kind of high-altitude long-span overhung exempts from floor-type support structure, which is characterized in that including N layers of Vierendeel girder (8) and N+1 layers of frame
Beam (9), the N layers of Vierendeel girder (8) are embedded with anchoring ring (2), and the anchoring ring (2) is fixed with several I-steel (1), the work
Word steel (1) one end overhangs prominent N layers of Vierendeel girder (8) and is fixed with movable anchor chair (4) in end, the N+1 layers of Vierendeel girder (9)
End is embedded with built-in fitting (7), and the built-in fitting (7) is fixed with movable anchor chair (4), and two movable anchor chairs (4) are high by two
Strong reinforcing bar (5) connection, high tensile reinforcement (5) both ends are equipped with screw thread, and two high tensile reinforcement (5) passes through bidirectional fastening connector
(6) it connects and tenses, set up steel pipe scaffold (3), the steel pipe on the I-steel (1) and the N+1 layers of Vierendeel girder (9)
Scaffold (3) top is equipped with N+2 layers of overhanging frame structure beam (10) to be poured.
2. a kind of high-altitude long-span overhung according to claim 1 exempts from floor-type support structure, which is characterized in that described two-way
Clamp connector (6) includes the connector skeleton (61) of two reinforcing bars composition, and connector skeleton (61) both ends are welded with two companies
It connects device bolt collar (62), the connector bolt sleeve (62) is threadedly coupled with high tensile reinforcement (5).
3. a kind of high-altitude long-span overhung according to claim 1 exempts from floor-type support structure, which is characterized in that the I-shaped
Steel (1) is the I-steel of twin shaft symmetrical section of the height not less than 200mm, twice anchoring ring (2) anchor for being 200mm by spacing
Gu being greater than 1.25 with the length of the anchoring section of anchoring ring (2) anchoring and the lenth ratio of overhanging section.
4. a kind of high-altitude long-span overhung according to claim 1 exempts from floor-type support structure, which is characterized in that the activity
Anchor chair (4) includes mooring drag base-plate (41), movable anchor chair side plate (42), bearing (43) and cross anchor bolt
(44), two movable anchor chair side plates (42), the activity anchor chair side plate are welded on the mooring drag base-plate (41)
(42) bearing (43) being equipped with, the cross anchor bolt (44) is made of internal thread reinforced bar sleeve and shaft reinforcing bar,
The shaft reinforcing bar and bearing (43) are rotatablely connected, and mantle fiber reinforced bar sleeve is threadedly coupled with high tensile reinforcement (5).
5. a kind of high-altitude long-span overhung according to claim 4 exempts from floor-type support structure, which is characterized in that the activity
Anchor chair bottom plate (41) and movable anchor chair side plate (42) are the steel plate of 150mm × 150mm × 30mm, intensity Q300, described
Bearing (43) outer diameter is 75mm, internal diameter 32mm, the upper bottom margin of the movable anchor chair side plate (42) of bearing (43) central point distance
Not less than 25mm, the internal thread reinforced bar sleeve and shaft reinforcing bar are that diameter 40mm, HRB500 high tensile reinforcement is made, the shaft
Reinforcing bar length is not less than 100mm.
6. a kind of high-altitude long-span overhung according to claim 1 exempts from floor-type support structure, which is characterized in that described pre-buried
Part (7) is by 250mm × 250mm × 30mm, Q300 steel plate and four long 250mm, HRB400, the reinforced steel bar perforation that diameter is 25mm
Plug welding forms, and the high tensile reinforcement (5) is the high tensile reinforcement of diameter 32mm, HRB500, and end thread length is not less than 500mm.
7. a kind of high-altitude long-span overhung described in -6 exempts from floor-type support structure according to claim 1, which is characterized in that it is constructed
Method the following steps are included:
Step 1: establishment special construction plans for safety, and according to drawing, according to N+2 layers of overhanging frame structure beam (10) associated components parameter
And band sets up the material parameter of template used bracket, steel pipe, fastener, calculates and determines I-steel (1) cantilever span, steel pipe scaffold
(3) steel pipe is longitudinal and transverse, upright bar spacing, the parameter of bar of sweeping the floor, wall-connecting piece, bridging；
When 2:N layers, N+1 layers Vierendeel girder (9) construction of step, according to relevant parameter in step 1, anchoring ring (2) and built-in fitting are buried
(7)；
When 2.1:N layers of Vierendeel girder (8) construction, according to I-steel (1) cantilever span being calculated, I-steel is calculated and determined
(1) horizontal spacing and anchoring depth are greater than with the lenth ratio of the length and overhanging section of the anchoring section of anchoring ring (2) anchoring
Before 1.25, N layers of Vierendeel girder (8) concreting, according to I-steel (1) anchoring depth, at away from its end 100mm, 300mm
Embedded anchoring ring (2), anchoring ring (2) they are " several " shape elbow, and reinforcing bar reinforcement should be arranged above elbow, in order to avoid prevent when concreting
Deviation only occurs；
When 2.2:N+1 layers of Vierendeel girder (9) construction, built-in fitting (7) are buried N+1 layers of Vierendeel girder (9) end, by built-in fitting (7)
Four reinforcing bars are fixed on frame beam reinforcement cages, and when concreting prevents deviation；
Step 3: being laid with I-steel (1), I-steel (1) is hoisted to built N layer Vierendeel girder (8) using vertical transport equipment
On, 100mm × 150mm × 10mm steel plate cushion block, work are plugged between the top of N layers of Vierendeel girder (8) end below I-steel (1)
Word steel (1) packs into anchoring ring (2) and with gad or hard-wood wedge wedging；
Step 4: installation activity anchor chair (4), high tensile reinforcement (5)
4.1: according to story height and overhanging span, intercept two high tensile reinforcements (5), both ends of the thread length after the polishing of end
Then 500mm connects high tensile reinforcement (5) one end with connector bolt sleeve (62) screw thread of bidirectional fastening connector (6) respectively
It connects, the other end is threadedly coupled with the internal thread reinforced bar sleeve of cross anchor bolt (44) respectively；
4.2: adjustment high tensile reinforcement (5) angle, by two mooring drag base-plates (41) respectively with I-steel (1) overhang end and
Built-in fitting (7) two-sided welding is fixed, and is adjusted bidirectional fastening connector (6), is in high tensile reinforcement (5) and is tightened tensile state；
Step 5: steel pipe scaffold (3) are set up, it is longitudinal and transverse according to steel pipe scaffold (3) steel pipe being calculated, upright bar spacing, sweep
The parameter of the thin end of the scroll, wall-connecting piece, bridging is laid with steel pipe scaffold I-steel on I-steel (1) overhanging end, in steel pipe scaffold
Steel pipe scaffold (3) template is set up by specification and scheme requirement on I-steel；
Step 6: checking again for, finely tune bidirectional fastening connector (6), be in high tensile reinforcement (5) and tighten tensile state.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113775116A (en) * | 2021-08-27 | 2021-12-10 | 重庆新洲建筑工程有限公司 | Building masonry construction method based on BIM technology |
| CN115233980A (en) * | 2022-08-22 | 2022-10-25 | 中国十七冶集团有限公司 | Overhanging incremental structure arrangement construction method |
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