CN106150060B - Construction method based on assembled wall-connecting piece exterior wall scaffold system - Google Patents
Construction method based on assembled wall-connecting piece exterior wall scaffold system Download PDFInfo
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- CN106150060B CN106150060B CN201610729400.5A CN201610729400A CN106150060B CN 106150060 B CN106150060 B CN 106150060B CN 201610729400 A CN201610729400 A CN 201610729400A CN 106150060 B CN106150060 B CN 106150060B
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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
- E04G5/00—Component parts or accessories for scaffolds
- E04G5/04—Means for fastening, supporting, or bracing scaffolds on or against building constructions
-
- 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
- E04G5/00—Component parts or accessories for scaffolds
- E04G5/04—Means for fastening, supporting, or bracing scaffolds on or against building constructions
- E04G5/046—Means for fastening, supporting, or bracing scaffolds on or against building constructions for fastening scaffoldings on walls
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The present invention relates to a kind of construction methods based on assembled wall-connecting piece exterior wall scaffold system, include mainly cast-in-situ floor, assembled wall-connecting piece, extension type mandril, exterior wall and scaffold, the pre-buried disrance sleeve through floor in cast-in-situ floor, vertical assembled wall-connecting piece, and the direct pre-buried reverse-fitting formula wall-connecting piece in same layer cast-in-situ floor side bar are installed by disrance sleeve；Leger and throwing bar in scaffold are anchored with vertical assembled wall-connecting piece using fastener, while extension type mandril being arranged at outer wall of floor to be onstructed, and extension type mandril top is anchored with reverse-fitting formula wall-connecting piece anchoring in side bar, lower part with leger；Lateral assembled wall-connecting piece is installed by the way that concrete block is arranged within the walls outside, and is anchored with leger.The present invention effectively improves construction efficiency, and the recyclable recycling of part assembled wall-connecting piece while enhancing scaffold system stability using extension type mandril.
Description
Technical field
The present invention relates to one kind being based on assembled wall-connecting piece exterior wall scaffold system and construction method.Belong to agent structure work
Journey field is suitable for the installation of the used steel pipe scaffold of cast-in-situ floor building block exterior wall structure construction and removes operation, is also suitable
There is the other structures construction of reinforced concrete wall or column, beam in cast-in-situ steel reinforced concrete shear wall structure or surrounding.
Background technology
External scaffolding is prerequisite Safety construction technology measure in construction, and using wall-connecting piece connection wall, to be it ensure
Self structure consolidates the necessary important component of safety.Domestic and international Scaffold Collapse Accident takes place frequently, and is substantially due to wall-connecting piece
Setting deficiency or wall-connecting piece are not mended to set in time after being removed to be caused, and wherein overall collapse is the chief destructive shape of scaffold unstability
Formula destroys the transverse frame for starting from that no wall-connecting piece, lateral stiffness are poor or initial bending is larger.And reasonable, high capacity, structure are set
Make satisfactory wall-connecting piece, the raising of improvement and lateral stiffness to the effective span of computing unit, serve it is direct, because
And it plays an important role to the overall stability of scaffold.
Currently, the domestic wall-connecting piece way for being commonly used in fastener type steel pipe scaffold includes：Stay bolt combined techniques, pre-buried steel
Tube method anchors method, banded column method, pre-buried iron plate method etc. afterwards.Stay bolt combined techniques have at low cost, excellent without filling-up hole process etc. after masonry
Point, but force difference is carried, the lateral stiffness of scaffold is weaker compared to rigid connection method, plays the steel pipe of support and can not closely connect
Pin hand cradle and agent structure cause scaffold to be also easy to produce shaking, and easily all are removed to generate in external rendering
Security risk；Pre-buried steel tube method has many advantages, such as that rigidity is good, burial place is accurate, but of high cost, dismounting trouble, and must be right
The rear box out mouth of masonry carries out later stage closure, there is infiltration hidden danger；Anchoring method is with no filling-up hole process, no the excellent of hidden danger that seep water afterwards
Point, but its construction is extremely troublesome, it is extremely troublesome when especially drilling；Banded column method has good, the flexible and convenient advantage of constructing of rigidity,
But material is more required for construction, compared to pre-buried steel tube method, three fasteners and four short steel pipes is increased, for construction period
For long skyscraper, economy is very poor, and the same with pre-buried steel tube method, and there are wall filling-up hole processes, have external wall seepage hidden
Suffer from；The advantages of pre-buried iron plate method has rigidity good, no masonry filling-up hole process, no infiltration hidden danger, but there are of high cost, construction fiber crops
It is tired, there is the deficiencies of fire hazard.By analyzing above, it can learn that currently used wall-connecting piece way is lacked there is many
It falls into, up for further improving and improving.
In consideration of it, at present there is an urgent need for invent a kind of big good bearing capacity of rigidity, convenient disassembly of low cost, constructing operation it is simple and
Wall-connecting piece structure and construction method without infiltration hidden danger.The present invention uses assembled wall-connecting piece, is passed through by pre-buried in cast-in-situ floor
The disrance sleeve of through-flooring is installed, and the direct pre-buried reverse-fitting formula wall-connecting piece in same layer cast-in-situ floor side bar；In scaffold
Leger and throw bar with vertical assembled wall-connecting piece using fastener anchoring, while adding extension type top in floor to be onstructed
Bar, and it is outer within the walls by the way that concrete block installation transverse direction assembled wall-connecting piece is arranged, and anchored with leger, greatly improve scaffold
The stability of system, and difficulty of construction is small, recoverable, has preferable economic technology benefit.
Invention content
The purpose of the present invention is to provide a kind of good bearing capacities of rigidity convenient disassembly big, of low cost, constructing operation are simple
And without the wall-connecting piece structure and construction method of infiltration hidden danger.
To realize the above-mentioned technical purpose, present invention employs following technical schemes：
One kind being based on assembled wall-connecting piece exterior wall scaffold system, which is characterized in that the system includes mainly cast-in-place building
Plate, assembled wall-connecting piece, extension type mandril, exterior wall and scaffold, the pre-buried disrance sleeve through floor in cast-in-situ floor lead to
It crosses disrance sleeve and vertical assembled wall-connecting piece is installed, and direct pre-buried reverse-fitting formula connects wall in same layer cast-in-situ floor side bar
Part；Leger and throwing bar in scaffold are anchored with vertical assembled wall-connecting piece using fastener, while in outer wall of floor to be onstructed
Extension type mandril is arranged in place, and extension type mandril top is anchored with the reverse-fitting formula wall-connecting piece in side bar, lower part and big cross
Bar anchors；Lateral assembled wall-connecting piece, lateral assembled wall-connecting piece and leger anchor are installed by the way that concrete block is arranged within the walls outside
Gu.
Further, the assembled wall-connecting piece is by fixing anchor slab, movable anchor slab, driving screw, auxiliary threaded rod and connection
Bar forms, and driving screw is welded on fixed anchor slab the same side with auxiliary threaded rod, and connecting rod is welded on the fixed anchor slab other side, mooring drag
Plate is anchored by coupling nut and driving screw, auxiliary threaded rod, and driving screw passes through fixed anchor slab to stretch into connecting rod and filled with swollen
Swollen concrete.
The extension type mandril top body of rod is provided with extension adjustment device, and middle part is welded with fixed disk, fixed disk
On screw hole specification, spacing it is identical as movable anchor slab, the lateral assembled wall-connecting piece of setting on fixed disk, and assembled connects wall
Part is anchored with putlog (put-lock).
It is described it is outer be provided with precast concrete block within the walls, be provided in precast concrete block and extend transversely through formula separation sleeve
Pipe, lateral assembled wall-connecting piece is arranged by disrance sleeve in exterior wall, if exterior wall is monolithic reinforced concrete structure, disrance sleeve
It can directly be embedded in wall.
The disrance sleeve is positioned using positioning plate with holes, and positioning plate with holes is fixed in exterior wall steel reinforcement cage main reinforcement, and
Be set to disrance sleeve both ends, aperture is identical as disrance sleeve outer diameter, if disrance sleeve because concreting generate local deformation,
Anchor cable then can be used and substitute auxiliary threaded rod.
The scaffold is both provided with strain gauge in upright bar and leger.
The present invention also provides the construction method based on assembled wall-connecting piece exterior wall scaffold system, key steps
It is as follows：
（1）Floor bar is bound and built-in fitting setting：Slab thickness and absolute altitude are appraised and decided according to design drawing, cleaning template is drawn
Bind floor bar, and the pre-buried reverse-fitting formula wall-connecting piece in side bar steel reinforcement cage after line, it is pre-buried at floor bar design position
Disrance sleeve；
（2）Floor concrete casting：After reinforcing bar binding and built-in fitting setting acceptance(check), spot welding elevation control point, cleaning
Floorslab concrete is poured using layering nature trickling continuous placing method after template, 7 days water seasonings after pouring；
（3）Assembled wall-connecting piece is installed：After the completion of floorslab concrete maintenance, assembled wall-connecting piece is installed, assembled is connected
Driving screw and auxiliary threaded rod on wall part pass through pre-buried disrance sleeve, solid using nut after soffit seals in movable anchor slab
It is fixed；When assembled wall-connecting piece is connect with frame column, driving screw is only set in frame column, auxiliary threaded rod takes shroud ring frame column
Form is arranged；
（4）Scaffold building：It carries out an acceptance inspection to steel pipe, fastener, scaffold board, cat ladder, safety net before scaffold building, simultaneously
The sundries for setting up place is removed, positions by design requirement unwrapping wire after confirming qualification, connects part leger and assembled when setting up
Wall part is anchored using fastener, and bar is thrown in top setting, is thrown bar lower end and is also anchored with wall-connecting piece, while in part upright bar and leger
Mount stress sensor.
（5）Adjustable ejector rod is installed：Extension type mandril is set at outer wall of floor to be onstructed, adjusts extension type mandril
Reverse-fitting formula wall-connecting piece in upper part and side bar is anchored after length, lower part is anchored with leger, and middle part is pacified using fixed disk
The lateral assembled wall-connecting piece of dress, and lateral assembled wall-connecting piece and putlog (put-lock) are anchored.
（6）External wall construction：After the completion of scaffold system and mandril are set up, external wall construction is carried out, while arranging concrete
Soil block is marched into the arena, and first pops up wall body axis and sideline according to brick wall position before outer-wall building, and build concrete by laying bricks or stones in design position
Soil, outer-wall building installs lateral assembled wall-connecting piece in precast concrete block after the completion, and itself and leger are anchored；If outer
Wall uses monolithic reinforced concrete structure, then the directly pre-buried disrance sleeve when wall steel bar is bound, and is installed again after the completion of maintenance
Assembled wall-connecting piece；
（7）Next floor cycle operation：Next floor is constructed with reference to above-mentioned construction procedure and method cycle, until top layer,
Decoration of exterior wall layer operation is carried out after the completion of construction.
（8）Decoration of exterior wall layer is constructed：Exterior wall is painted using cement mortar, first according to design and structure at assembled wall-connecting piece
Forcing checking makes to move outside assembled wall-connecting piece, be anchored after placing decorative layer gasket ring, exterior wall dress after safe and punctual by adjusting nut
It adorns after the completion of layer construction, removes scaffold and part assembled wall-connecting piece, recycling.
The present invention has the characteristics that following and advantageous effect：
（1）Assembled wall-connecting piece of the present invention is installed by pre-buried disrance sleeve, and on same layer cast-in-situ floor side
Pre-buried reverse-fitting formula wall-connecting piece in beam, using in fastener and scaffold leger and throw bar anchoring, while leading within the walls outside
The lateral assembled wall-connecting piece of setting concrete block installation is crossed, and is anchored with leger, the steady of scaffold system is greatly improved
It is qualitative, and difficulty of construction is small, part wall-connecting piece recoverable, has preferable economic technology benefit.
（2）Extension type mandril is added in the present invention at layer exterior wall to be onstructed, and is pacified by the fixation disk that the body of rod is arranged
The lateral assembled wall-connecting piece of dress, and assembled wall-connecting piece is anchored with putlog (put-lock), further hoisting scaffold system it is steady
It is qualitative, increase working security.
（3）Strain gauge is arranged on scaffold upper pright stanchion and cross bar in the present invention, according to data test and result of calculation
Node reinforcement accurately is carried out to scaffold system, ensures stable structure.
（4）The present invention positions pre-buried disrance sleeve using positioning plate with holes, if disrance sleeve is poured because of floorslab concrete
Generation local deformation is built, then anchor cable can be used and substitute auxiliary threaded rod, anchor cable both ends are all made of nut and are fixed with anchor slab, and construction is flexible
Property is stronger.
Description of the drawings
Fig. 1 is to be based on assembled wall-connecting piece exterior wall scaffold system schematic diagram；
Fig. 2 is assembled wall-connecting piece mounted configuration schematic diagram；
Fig. 3 is assembled wall-connecting piece structural schematic diagram when decorative layer is constructed；
Fig. 4 is assembled wall-connecting piece and frame column connection diagram.
In figure：1- cast-in-situ floors；The vertical assembled wall-connecting pieces of 2-；3- transverse direction assembled wall-connecting pieces；4- positioning plates with holes；5-
Precast concrete block；6- masonry walls；7- fasteners；8- throws bar；9- extension type mandrils；10- extension adjustment devices；11- is reversely filled
With formula wall-connecting piece；12- side bars；13- strain gauges；14- upright bars；15- legers；The small cross bars of 16-；17- activity anchor slabs；18-
Coupling nut；19- driving screws；20- auxiliary threaded rods；21- gaskets；22- fixes anchor slab；23- expansive concretes；24- connecting rods；
25- disrance sleeves；26- decorative layers；27- decorative layer gasket rings；28- frame columns.
Specific implementation mode
Reinforcing bar binds construction technical requirement, the construction process requirement of floor concrete casting, scaffold in present embodiment
Technological requirement etc. is set up to repeat no more, emphasis illustrate the present invention be related to based on assembled wall-connecting piece exterior wall scaffold system
Embodiment.
Fig. 1 is to be based on assembled wall-connecting piece exterior wall scaffold system schematic diagram, and Fig. 2 is assembled wall-connecting piece mounted configuration
Schematic diagram, Fig. 3 are assembled wall-connecting piece structural schematic diagrams when decorative layer is constructed, and Fig. 4 is that assembled wall-connecting piece connects with frame column
Connect schematic diagram.It is based on assembled wall-connecting piece exterior wall scaffold system with reference to shown in the drawings, mainly by cast-in-situ floor 1, assembled
The compositions such as wall-connecting piece, extension type mandril 9, masonry wall 6, scaffold.
The pre-buried disrance sleeve 25 through floor in cast-in-situ floor 1 installs vertical assembled by disrance sleeve 25 and connects wall
Part 2, and the direct pre-buried reverse-fitting formula wall-connecting piece 11 in same layer cast-in-situ floor side bar 12；Leger 15 in scaffold and throwing
Bar 8 is anchored with vertical assembled wall-connecting piece 11 using fastener 7, while extension type mandril 9 being arranged at outer wall of floor to be onstructed,
9 top of extension type mandril is anchored with reverse-fitting formula wall-connecting piece 11 in side bar 12, and lower part is anchored with leger 15；Lead within the walls outside
The lateral assembled wall-connecting piece 3 of setting concrete block installation is crossed, and is anchored with leger 15.
When construction, slab thickness and absolute altitude are first appraised and decided according to design drawing, slab thickness 120mm clears up template marking
After bind floor bar, reinforcing bar is used uniformly HRB335 models, and the pre-buried reverse-fitting formula wall-connecting piece in 12 steel reinforcement cage of side bar
11, pre-buried disrance sleeve 25 at floor bar design position, disrance sleeve 25 uses a diameter of 10mm ~ 12mm, length 120mm
Pvc pipe.After reinforcing bar binding and built-in fitting setting acceptance(check), spot welding elevation control point is cleared up after template using layering nature
Trickling continuous placing method pours floorslab concrete, and concrete strength takes C30,7 days water seasonings after pouring.
After the completion of floorslab concrete maintenance, vertical assembled wall-connecting piece 2 is installed, by the driving screw 19 and auxiliary on wall-connecting piece
Screw rod 20 passes through pre-buried disrance sleeve 25, wherein 19 a diameter of 12mm of driving screw, 4 20 a diameter of 10mm of auxiliary threaded rod to connect
Extension bar 24 is made of 48 × 3.5 steel pipe scaffoldings of φ, is fixed using coupling nut 18 after soffit seals in movable anchor slab 17,
Bolt is not less than the plain bolt of M14 using specification, preferably uses M16 plain bolts, to adapt to the part of decoration stage wall-connecting piece
Level tune, there are surpluses in length for screw rod.Movable anchor slab 17 is identical with fixed 22 specification of anchor slab, is all 300mm × 300mm
× 6mm, it is same that strength grade is used to be formed for the steel plate of Q345 is prefabricated.If it was found that disrance sleeve 25 because deformation cause auxiliary threaded rod without
Method passes through, then the anchor cable of diameter 8mm is used to replace, anchor cable both ends be all made of nut respectively with fixed anchor slab 22, movable anchor slab 17
It is fixed；If assembled wall-connecting piece is connect with frame column 28, driving screw 19 is set only in frame column, auxiliary threaded rod 20 takes packet
The form setting of frame column is bound round, as shown in Figure 4.
It carries out an acceptance inspection to materials such as steel pipe, fastener, scaffold board, cat ladder, safety nets before scaffold building, while removing and setting up
The sundries in place is positioned by design requirement unwrapping wire after confirming qualification, part leger 15 and vertical assembled is connected wall when setting up
Part 2 is anchored using fastener, and bar 8 is thrown in top setting, is thrown 8 lower end of bar and is also anchored with vertical assembled wall-connecting piece 2, while vertical in part
Mount stress sensor 13 on bar 14 and leger 15.
According to strain gauge data and result of calculation, 9 progress of extension type mandril is set at outer wall of floor to be onstructed
Node reinforcement is adjusted after mandril length by extension adjustment device 10 by reverse-fitting formula wall-connecting piece 11 in upper part and side bar 12
Anchoring, lower part are anchored with leger 15, and lateral assembled wall-connecting piece 3 is installed in middle part using fixed disk, and fixed disk uses diameter
The Q345 steel plates of 300mm are prefabricated, above uniformly distributed 5 screw holes, center bolt bore dia be 12mm, remaining is 10mm, and
Lateral assembled wall-connecting piece 3 is anchored with putlog (put-lock) 16.
After the completion of scaffold system and mandril are set up, external wall construction is carried out, while precast concrete block being arranged to march into the arena, it is prefabricated
Concrete block intensity is C25, and specification is 400mm × 400mm × 120mm, and first wall body is popped up according to brick wall position before outer-wall building
Axis and sideline, group builds the building method along a fourth using one, and builds precast concrete by laying bricks or stones in design position, and outer-wall building is completed
The lateral assembled wall-connecting piece 3 of installation in precast concrete block 5 afterwards, and itself and leger 15 are anchored.If exterior wall is using cast-in-place
Reinforced concrete structure, then the directly pre-buried disrance sleeve when wall steel bar is bound, installs assembled after the completion of maintenance and connects wall again
Part.Next floor is with reference to above-mentioned construction procedure and method cycle construction, until top layer, decoration of exterior wall layer work is carried out after the completion of construction
Industry.
Decoration of exterior wall layer is painted using cement mortar, is first checked according to design and structure stress at wall-connecting piece, safe and punctual
15mm will be moved outside assembled wall-connecting piece, anchor after placing decorative layer gasket ring 27 by adjusting nut afterwards.
After the completion of above-mentioned construction, scaffold and part assembled wall-connecting piece, recycling are removed.
Construction key step based on assembled wall-connecting piece exterior wall scaffold system is as follows：
（1）Floor bar is bound and built-in fitting setting：Slab thickness and absolute altitude are appraised and decided according to design drawing, cleaning template is drawn
Floor bar, and the pre-buried reverse-fitting formula wall-connecting piece 11 in 12 steel reinforcement cage of side bar are bound after line, at floor bar design position
Pre-buried disrance sleeve 25.
（2）Floor concrete casting：After reinforcing bar binding and built-in fitting setting acceptance(check), spot welding elevation control point, cleaning
Floorslab concrete is poured using layering nature trickling continuous placing method after template, 7 days water seasonings after pouring.
（3）Assembled wall-connecting piece is installed：After the completion of floorslab concrete maintenance, assembled wall-connecting piece is installed, it will be on wall-connecting piece
Driving screw 19 and auxiliary threaded rod 20 pass through pre-buried disrance sleeve 25, after soffit seals in movable anchor slab 17 using connection
Nut 18 is fixed.If it was found that disrance sleeve 25 because deformation causes auxiliary threaded rod that can not pass through, is replaced, anchor cable both ends using anchor cable
Nut is all made of to fix with fixed anchor slab 22, movable anchor slab 17 respectively；If assembled wall-connecting piece is connect with frame column 28, only exist
Driving screw 19 is set in frame column, and auxiliary threaded rod 20 takes the form of shroud ring frame column to be arranged.
（4）Scaffold building：The materials such as steel pipe, fastener, scaffold board, cat ladder, safety net are tested before scaffold building
Receive, while removing and setting up the sundries in place, confirm it is qualified after positioned by design requirement unwrapping wire, when setting up by part leger 15 with
Vertical assembled wall-connecting piece 2 is anchored using fastener, and bar 8 is thrown in top setting, throw 8 lower end of bar also with vertical 2 anchor of assembled wall-connecting piece
Gu while the mount stress sensor 13 in part upright bar 14 and leger 15.
（5）Adjustable ejector rod is installed：Extension type mandril 9 is set at outer wall of floor to be onstructed, after adjusting mandril length
Upper part and reverse-fitting formula wall-connecting piece 11 in side bar 12 are anchored, lower part is anchored with leger 15, and middle part is pacified using fixed disk
The lateral assembled wall-connecting piece 3 of dress, and lateral assembled wall-connecting piece 3 is anchored with putlog (put-lock) 16.
（6）External wall construction：After the completion of scaffold system and mandril are set up, external wall construction is carried out, while arranging concrete
Soil block is marched into the arena, and first wall body axis and sideline are popped up according to brick wall position before outer-wall building, and group builds the side of building by laying bricks or stones along a fourth using one
Method, and build precast concrete by laying bricks or stones in design position, lateral assembled is installed in precast concrete block 5 after the completion of outer-wall building connects
Wall part 3, and itself and leger 15 are anchored.If exterior wall uses monolithic reinforced concrete structure, straight when wall steel bar is bound
Pre-buried disrance sleeve is connect, assembled wall-connecting piece is installed again after the completion of maintenance.
（7）Next floor cycle operation：Next floor is constructed with reference to above-mentioned construction procedure and method cycle, until top layer,
Decoration of exterior wall layer operation is carried out after the completion of construction.
（8）Decoration of exterior wall layer is constructed：Exterior wall is painted using cement mortar, is first tested according to design and structure stress at wall-connecting piece
It calculates, makes to move outside assembled wall-connecting piece by adjusting nut after safe and punctual, be anchored after placing decorative layer gasket ring 27, decoration of exterior wall layer
After the completion of construction, scaffold and part assembled wall-connecting piece, recycling are removed.
Claims (6)
1. the construction method based on assembled wall-connecting piece exterior wall scaffold system, which is characterized in that the system includes mainly existing
Pour floor, assembled wall-connecting piece, extension type mandril, exterior wall and scaffold, the pre-buried separation sleeve through floor in cast-in-situ floor
Pipe, vertical assembled wall-connecting piece, and the direct pre-buried reverse-fitting formula in same layer cast-in-situ floor side bar are installed by disrance sleeve
Wall-connecting piece；Leger and throwing bar in scaffold are anchored with vertical assembled wall-connecting piece using fastener, while in floor to be onstructed
Extension type mandril is set at exterior wall, the reverse-fitting formula wall-connecting piece in extension type mandril top and side bar anchors, lower part with
Leger anchors；Lateral assembled wall-connecting piece, lateral assembled wall-connecting piece and big cross are installed by setting concrete block within the walls outside
Bar anchors；
The construction method key step is as follows：
（1）Floor bar is bound and built-in fitting setting：Slab thickness and absolute altitude are appraised and decided according to design drawing, after clearing up template marking
Bind floor bar, and the pre-buried reverse-fitting formula wall-connecting piece in side bar steel reinforcement cage, pre-buried isolation at floor bar design position
Casing；
（2）Floor concrete casting：After reinforcing bar binding and built-in fitting setting acceptance(check), spot welding elevation control point clears up template
Floorslab concrete is poured using layering nature trickling continuous placing method afterwards, 7 days water seasonings after pouring；
（3）Assembled wall-connecting piece is installed：After the completion of floorslab concrete maintenance, assembled wall-connecting piece is installed, by assembled wall-connecting piece
On driving screw and auxiliary threaded rod pass through pre-buried disrance sleeve, fixed using nut after soffit seals in movable anchor slab；
When assembled wall-connecting piece is connect with frame column, driving screw is only set in frame column, auxiliary threaded rod takes the shape of shroud ring frame column
Formula is arranged；
（4）Scaffold building：It carries out an acceptance inspection to steel pipe, fastener, scaffold board, cat ladder, safety net before scaffold building, removes simultaneously
The sundries in place is set up, positions by design requirement unwrapping wire after confirming qualification, connects part leger and vertical assembled when setting up
Wall part is anchored using fastener, and bar is thrown in top setting, is thrown bar lower end and is also anchored with vertical assembled wall-connecting piece, while in part upright bar
With mount stress sensor on leger；
（5）Adjustable ejector rod is installed：Extension type mandril is set at outer wall of floor to be onstructed, adjusts extension type mandril length
Reverse-fitting formula wall-connecting piece in upper part and side bar is anchored afterwards, lower part is anchored with leger, and middle part is installed horizontal using fixed disk
It is anchored to assembled wall-connecting piece, and by lateral assembled wall-connecting piece and putlog (put-lock)；
（6）External wall construction：After the completion of scaffold system and mandril are set up, external wall construction is carried out, while arranging precast concrete block
It marches into the arena, wall body axis and sideline is first popped up according to brick wall position before outer-wall building, precast concrete, exterior wall are built by laying bricks or stones in design position
Lateral assembled wall-connecting piece is installed after the completion of building by laying bricks or stones in precast concrete block, and itself and leger are anchored；If exterior wall uses
Monolithic reinforced concrete structure, then the directly pre-buried disrance sleeve when wall steel bar is bound, assembled is installed after the completion of maintenance again
Wall-connecting piece；
（7）Next floor cycle operation：Next floor is with reference to above-mentioned construction procedure and method cycle construction, until top layer, construction
Decoration of exterior wall layer operation is carried out after the completion；
Decoration of exterior wall layer is constructed：Exterior wall is painted using cement mortar, is first tested according to design and structure stress at assembled wall-connecting piece
It calculates, makes to move outside assembled wall-connecting piece by adjusting nut after safe and punctual, be anchored after placing decorative layer gasket ring, decoration of exterior wall layer is applied
After the completion of work, scaffold and part assembled wall-connecting piece, recycling are removed.
2. construction method according to claim 1, it is characterised in that the vertical assembled wall-connecting piece, lateral assembled
Wall-connecting piece and reverse-fitting formula wall-connecting piece are made of fixed anchor slab, movable anchor slab, driving screw, auxiliary threaded rod and connecting rod, main
Screw rod is welded on fixed anchor slab the same side with auxiliary threaded rod, and connecting rod is welded on the fixed anchor slab other side, and movable anchor slab passes through company
It connects nut to anchor with driving screw, auxiliary threaded rod, driving screw passes through fixed anchor slab to stretch into connecting rod and is filled with expansive concrete.
3. construction method according to claim 2, it is characterised in that the extension type mandril top body of rod is provided with
Extension adjustment device, middle part are welded with fixed disk, and the screw hole specification, spacing on fixed disk are identical as movable anchor slab, fixed
Lateral assembled wall-connecting piece is set on disk, and lateral assembled wall-connecting piece is anchored with putlog (put-lock).
4. construction method according to claim 1, it is characterised in that it is described it is outer be provided with precast concrete block within the walls, in advance
It is provided in concrete block processed and extends transversely through formula disrance sleeve, lateral assembled wall-connecting piece is arranged by disrance sleeve in exterior wall.
5. construction method according to claim 4, it is characterised in that the disrance sleeve is positioned using positioning plate with holes,
Positioning plate with holes is fixed in exterior wall steel reinforcement cage main reinforcement, and is set to disrance sleeve both ends, and aperture is identical as disrance sleeve outer diameter.
6. construction method according to claim 1, it is characterised in that the scaffold is all provided in upright bar and leger
It is equipped with strain gauge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610729400.5A CN106150060B (en) | 2016-08-25 | 2016-08-25 | Construction method based on assembled wall-connecting piece exterior wall scaffold system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610729400.5A CN106150060B (en) | 2016-08-25 | 2016-08-25 | Construction method based on assembled wall-connecting piece exterior wall scaffold system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106150060A CN106150060A (en) | 2016-11-23 |
| CN106150060B true CN106150060B (en) | 2018-07-20 |
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| CN107268976B (en) * | 2017-07-31 | 2019-08-23 | 中国一冶集团有限公司 | The fixed device of towering structure constructor's row safety climbing ladder assembled sustaining wall and construction method |
| CN107268977B (en) * | 2017-07-31 | 2019-04-23 | 中国一冶集团有限公司 | Round high pier stud constructor row ladder assembled sustaining wall fixes device and construction method |
| CN110273538A (en) * | 2019-06-13 | 2019-09-24 | 中建四局第五建筑工程有限公司 | A kind of high framed building wall-connecting piece of the big layer of large span and its setting method |
| CN112096049B (en) * | 2020-09-17 | 2022-02-08 | 四川大太阳建筑科技有限公司 | Construction method of building outer wall climbing frame wall connecting piece |
| CN112609979A (en) * | 2020-12-18 | 2021-04-06 | 中国建筑第四工程局有限公司 | Wall connecting piece erecting method for connecting ultrahigh external frame of external wall |
| CN112681749B (en) * | 2020-12-23 | 2022-03-29 | 四川尧顺建设集团有限公司 | Exterior wall scaffold system and construction method |
| CN113550560A (en) * | 2021-06-07 | 2021-10-26 | 中国五冶集团有限公司 | Construction method of wall connecting system for forming large-size hole frame structure |
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