CN106223460A - The prefabricated construction method of large scale wallboard - Google Patents
The prefabricated construction method of large scale wallboard Download PDFInfo
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- CN106223460A CN106223460A CN201610653874.6A CN201610653874A CN106223460A CN 106223460 A CN106223460 A CN 106223460A CN 201610653874 A CN201610653874 A CN 201610653874A CN 106223460 A CN106223460 A CN 106223460A
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- Prior art keywords
- prefabricated panel
- prefabricated
- embedded part
- template
- wallboard
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/02—Structures consisting primarily of load-supporting, block-shaped, or slab-shaped elements
- E04B1/04—Structures consisting primarily of load-supporting, block-shaped, or slab-shaped elements the elements consisting of concrete, e.g. reinforced concrete, or other stone-like material
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
- E04C2/04—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres
- E04C2/044—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres of concrete
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
- E04C2/04—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres
- E04C2/06—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres reinforced
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2002/001—Mechanical features of panels
- E04C2002/002—Panels with integrated lifting means, e.g. with hoisting lugs
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention discloses a kind of prefabricated construction method of large scale wallboard, comprise determining that the terrace region for making prefabricated panel and for installing the installation region of prefab-form；In terrace region, install the template of prefabricated panel, and in the template of prefabricated panel, fix reinforced mesh, suspension centre embedded part and temporary support embedded part；Prefabricated panel is carried out concreting；After the concrete strength of prefabricated panel reaches lifting requirement, prefabricated panel is fixed with temporary support, then lifting appliance is connected with suspension centre embedded part；Prefabricated panel of slinging makes prefabricated panel and the template demoulding, is winched in installation region by prefabricated panel, then temporary support is connected with the terrace in installation region；Prefabricated panel is installed after putting in place in installation region, removes temporary support.The present invention uses in-situ precast wallboard, makes full use of place, breaks through the size limit value of prefabrication, eliminates repeatedly lifting and the transport of wallboard, and soon, outer surface effect is attractive in appearance various for construction method sequencing, speed.
Description
Technical field
The present invention relates to technical field of building construction, refer in particular to a kind of prefabricated construction method of large scale wallboard.
Background technology
Prefabrication is widely used in the building such as house, office building in China, due to limit value and the construction of floor height
Technical problem, factory for prefabrication's panel width is less than 4 meters, and common height is about 3 meters.But in actual applications, some
Extensive building such as logistics center, commercial center, low layer office building etc. are built, even for house, the wallboard of prefabrication
Restricted by size, in addition it is also necessary to repeatedly to lift and transport, it is impossible to the most applicable.
Summary of the invention
Because the problems referred to above, the invention provides a kind of prefabricated construction method of large scale wallboard, including:
Determine the terrace region for making prefabricated panel and for installing the installation region of prefab-form；
In described terrace region, install the template of prefabricated panel, and fix in the template of prefabricated panel reinforced mesh,
Suspension centre embedded part and temporary support embedded part；
Prefabricated panel is carried out concreting；
After the concrete strength of prefabricated panel reaches lifting requirement, prefabricated panel is fixed with temporary support, then incite somebody to action
The equipment that hangs is connected with described suspension centre embedded part；
Prefabricated panel of slinging makes prefabricated panel and the template demoulding, is winched in described installation region by prefabricated panel, then by institute
State temporary support to be connected with the terrace in described installation region；
Prefabricated panel is installed after putting in place in described installation region, removes described temporary support.
The prefabricated construction method of large scale wallboard of the present invention, prefabricated panel uses in-situ precast, makes full use of place,
Breaking through the size limit value of prefabrication, eliminate repeatedly lifting and the transport of wallboard, construction method sequencing, speed of application are fast,
Wallboard outer surface effect is attractive in appearance various；Lifting uses the automatically-unhooked construction safety that makes, temporary support and ground to be proposed with hammer
Hit expansion bolt and be connected to precoat terrace or anchoring pile so that temporary support is more firm.
The prefabricated construction further improvements in methods of large scale wallboard of the present invention are, determine for making dry wall
The terrace region of plate, including:
It is the most prefabricated that the place of job site meets all prefabricated panels, first pours indoor cushion as described terrace district
Territory；Or
The place of job site is limited, first pours a region and borrows as described terrace region, the prefabricated panel that size is little
The prefabricated panel that size is big is helped to carry out prefabricated.
The prefabricated construction further improvements in methods of large scale wallboard of the present invention are, prop up in described terrace region
If after the template of prefabricated panel, also including: be fixed for connecting the company of adjacent prefabricated panel in the template of prefabricated panel
Connect embedded part.
The prefabricated construction further improvements in methods of large scale wallboard of the present invention are, prop up in described terrace region
If after the template of prefabricated panel, also including: fix appearance mould in the template of prefabricated panel.
The prefabricated construction further improvements in methods of large scale wallboard of the present invention are, prop up in described terrace region
If after the template of prefabricated panel, also including: spary releasing agent in the template of prefabricated panel.
The prefabricated construction further improvements in methods of large scale wallboard of the present invention are, in the template of prefabricated panel
Fixing reinforced mesh, including:
Arrange the stirrup of lower floor's reinforced mesh, and lower floor's hoisting steel mesh piece is put in place；
For the place of door-window opening, cut according to openings position；
Arrange the stirrup of top bars mesh sheet, and top bars mesh sheet is lifted into position；
Reinforcing bar stirrup in the middle of arranging between upper and lower layer reinforced mesh；
Hole and prefabricated panel edge use steel wire to carry out colligation；
For structure edge member, two-way opening stirrup can be used to replace remaining silent stirrup.
The prefabricated construction further improvements in methods of large scale wallboard of the present invention are, in the template of prefabricated panel
Fixing suspension centre embedded part, including: described suspension centre embedded part is arranged at the surface of prefabricated panel, and described suspension centre embedded part uses two to bury to flat board
Part and can realize automatically-unhooked.
The prefabricated construction further improvements in methods of large scale wallboard of the present invention are, fixing described temporary support and
All configure rubber sleeve during described suspension centre embedded part, and on described rubber sleeve, spray releasing agent.
The prefabricated construction further improvements in methods of large scale wallboard of the present invention are, treat the concrete of prefabricated panel
After intensity reaches lifting requirement, prefabricated panel is fixed with temporary support, then lifting appliance is connected with described suspension centre embedded part, bag
Include: after the concrete strength of prefabricated panel reaches lifting requirement, first take out described rubber sleeve, then prefabricated panel is propped up with interim
Support is fixing, is connected with described suspension centre embedded part by lifting appliance the most again.
The prefabricated construction further improvements in methods of large scale wallboard of the present invention are, by described temporary support and institute
State the terrace in installation region to connect, including: the terrace of described temporary support with described installation region is used hammering expanding screw
Bolt anchors.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of the prefabricated construction method of large scale wallboard of the present invention.
Fig. 2 is the scheme of installation of the suspension centre embedded part of the prefabricated construction method of large scale wallboard of the present invention.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, right
The present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, not
For limiting the present invention.
Coordinating referring to shown in Fig. 1, Fig. 1 is the schematic flow sheet of the prefabricated construction method of large scale wallboard of the present invention.
The prefabricated construction method of large scale wallboard of the present invention, including:
Step S01: determine the terrace region for making prefabricated panel and for installing the installation region of prefab-form；
Step S02: install the template of prefabricated panel in described terrace region, and fix steel in the template of prefabricated panel
Muscle mesh sheet, suspension centre embedded part and temporary support embedded part；
Step S03: prefabricated panel is carried out concreting；
Step S04: after the concrete strength of prefabricated panel reaches lifting requirement, prefabricated panel is solid with temporary support
Fixed, then lifting appliance is connected with described suspension centre embedded part；
Step S05: prefabricated panel of slinging makes prefabricated panel and the template demoulding, and prefabricated panel winches to described installation region
In, more described temporary support is connected with the terrace in described installation region；
Step S06: prefabricated panel is installed after putting in place in described installation region, removes described temporary support.
The prefabricated construction method of large scale wallboard of the present invention, prefabricated panel uses in-situ precast, makes full use of place,
Breaking through the size limit value of prefabrication, eliminate repeatedly lifting and the transport of wallboard, construction method sequencing, speed of application are fast,
Wallboard outer surface effect is attractive in appearance various；Lifting uses the automatically-unhooked construction safety that makes, temporary support and ground to be proposed with hammer
Hit expansion bolt and be connected to precoat terrace or anchoring pile so that temporary support is more firm.
Wherein, in above-mentioned steps S01, determine the terrace region for making prefabricated panel, including:
It is the most prefabricated that the place of job site meets all prefabricated panels, first pours indoor cushion as described terrace district
Territory；Or
The place of job site is limited, first pours a region and borrows as described terrace region, the prefabricated panel that size is little
The prefabricated panel that size is big is helped to carry out prefabricated.
Specifically, determine the terrace region of prefabricated panel according to construction place and wallboard layout drawing with specification, and
Bed die (corresponding wallboard outer surface) for prefabricated panel；
A, if building yard meets all wallboards the most prefabricated (such as, for warehouse, Factory Building etc.), can use and first water
Build indoor cushion；
B, if building yard is limited, can pour a region for prefabricated panel, and meanwhile, the wallboard that size is little is permissible
The wallboard big by size carries out prefabricated；
C, if the temporary support of prefabricated panel is anchored in the terrace in installation region, the concrete etc. that this terrace is used
Level and thickness need to reach to design requirement；
D, in order to ensure the appearance of prefabricated panel, needs prefabricated panel terrace to meet certain flatness (2 meter Nei Gao
Difference is less than 3mm) and smoothness (before concrete reaches initial set, repeatedly smearing pressure)；
E, in order to prevent hydrops, can suitably put slope, carry out draining.
In above-mentioned steps S02, after installing the template of prefabricated panel in described terrace region, also include: prefabricated
It is fixed in the template of wallboard connecting the connection embedded part of adjacent prefabricated panel, in the template of prefabricated panel, fixing outward appearance effect
Really mould and in the template of prefabricated panel spary releasing agent.
Specifically, unwrapping wire, including template, wallboard appearance mould, it is connected embedded part with other structural elements, fixes temporarily
Support sleeve embedded part and the face suspension centre embedded part of embedded part.
A, the connection embedded part arranged between prefabricated panel, determine the need for according to design requirement；
B, fixing side form template, template punching block, wooden model and gang form etc.；
C, the selection of template can consider that the turnover of material uses
D, the selection of template needs to ensure not occur bending and deformation；
E, spary releasing agent, for area of heavy rainfull and season, it is recommended that use clear water releasing agent, to prevent rain drop erosion.
In above-mentioned steps S02, the template of prefabricated panel is fixed reinforced mesh, it is preferred to use electric welding makes bar-mat reinforcement
Sheet, including:
A, arranges the stirrup of lower floor's reinforced mesh, and is put in place by lower floor's hoisting steel mesh piece according to atlas；
B, for the place of door-window opening, cuts according to openings position；
C, arranges the stirrup of top bars mesh sheet, and top bars mesh sheet is hung with the arrangement of lower floor's reinforced mesh
Install to position；
D, can arrange middle reinforcing bar stirrup between upper and lower layer reinforced mesh or individually arrange top bars stirrup；
E, can determine whether as required to lay heat-insulation layer, now need to set up thermal-insulation connecting piece；
F, hole and prefabricated panel edge use steel wire to carry out colligation；
G, for structure edge member, can use two-way opening stirrup to replace remaining silent stirrup.
In above-mentioned steps S02, fixing suspension centre embedded part in the template of prefabricated panel, for face suspension centre embedded part, it is attached
Add reinforcing bar needs according to design requirement, and reinforcing bar must not be welded with suspension centre embedded part, specifically include:
A, for large scale wallboard, uses face lifting, and the most described suspension centre embedded part is arranged at the surface of prefabricated panel；
B, in order to avoid work high above the ground, the employing two of suspension centre embedded part is to flat board embedded part, as in figure 2 it is shown, be large scale of the present invention
The scheme of installation of the suspension centre embedded part of the prefabricated construction method of wallboard, in Fig. 2, the surrounding of suspension centre embedded part 10 is additionally provided with reinforcement
Reinforcing bar 20, suspension centre embedded part 10 is provided with the linkage section 30 for being connected with the hook connector of lifting appliance, linkage section 30 sets
There is the hook hole 310 for hook.Especially, the 1. a diameter of 16mm of reinforcing bar 20, a length of 600mm, use HRB400；2.
During construction, notice that built-in fitting direction, the distance of suspension centre embedded part 10 distance from top concrete outer surface cannot be greater than 5mm；3. hook
Adapter is connected with steel strand wires by D-ring, and when clasping built-in fitting, coping is pointed in the direction of handle simultaneously；
C, is required for configuring rubber sleeve when the sleeve embedded part of fixing temporary support and suspension centre embedded part, takes for the ease of the later stage
Going out, rubber sleeve needs to spray releasing agent.
In above-mentioned steps S03, strength grade of concrete, aggregate, grating, the slump etc. to be up to state standards
With design requirement, if being equipped with heat-insulation layer, need laminated pouring.And implement concrete surface leveling, polishing and maintenance.
In above-mentioned steps S04, after the concrete strength of prefabricated panel reaches lifting requirement, by prefabricated panel with interim
Support fixing, then lifting appliance is connected with described suspension centre embedded part, including: treat that the concrete strength of prefabricated panel reaches lifting and wants
After asking, first take out described rubber sleeve, then prefabricated panel is fixed with temporary support, the most again lifting appliance buckled adapter
It is connected with described suspension centre embedded part.
In above-mentioned steps S05, during prefabricated panel lifting:
A, during firm demoulding lifting, needs slowly to operate crane, repeatedly lifts by crane；
B, after the prefabricated panel demoulding, utilizes giant to be rinsed surfaces of wall；
In above-mentioned steps S05, described temporary support is connected with the terrace in described installation region, including:
A, fixing temporary support, preferably the terrace of described temporary support with described installation region is used hammering expansion bolt
Anchor, fixing without terrace and temporary support, anchoring pile can be used, present invention simultaneously provides common anchoring pile and select
Table, see table 1；
B, uses level gauge, regulates temporary support, it is ensured that the perpendicularity of wallboard and the levelness at top simultaneously；
C, after prefabricated panel and other structures are fixing, can remove temporary support.
Table 1
Below in conjunction with specific embodiment, the prefabricated construction method of large scale wallboard of the present invention is described in detail.
As a example by Prologis Logistic Park A3 storehouse, Liuyang, building length 240 meters, a width of 95 meters, post is away from for 12 meters, and span is 24
Rice, cornice absolute altitude is 10m, and this Project system introduces North America Tilt-up building system, uses steel construction and concrete wall mixing
Structure, outer curtain wall penel participates in overall stress, and wall-plate level is 14.6 meters to the maximum.The prefabricated construction of large scale wallboard of the present invention
Method, the construction procedure of prefabricated panel is as follows:
(1) this project first pours indoor cushion, and strength grade of concrete is C30, and thickness is 150mm, the flatness of bed course
Requirement is substantially met with smoothness；
(2) unwrapping wire, including template, wallboard appearance mould, is connected embedded part, fixing temporary support with other structural elements
Sleeve embedded part and face suspension centre embedded part, arrange connection embedded part between the wallboard of interlayer Office Area；
(3) fixing side form template, this project uses channel-section steel steel form；
(4) moulding and chamfering strip adoption solid wood, wherein chamfering strip adoption double faced adhesive tape bonds with channel-section steel, and moulding is adopted
Fix with indoor cushion with nailing；
(5) Liuyang City is rainy, therefore uses clear water releasing agent；
(6) reinforced mesh makes:
A, uses electric welding to make reinforced mesh；
B, arranges the stirrup of lower floor's reinforced mesh, and between stirrup, spacing is less than 1 meter, then by lower floor's hoisting steel mesh piece
Put in place,
C, for the place of door-window opening, cuts according to openings position；
D, arranges top bars mesh sheet stirrup, places top bars mesh sheet；
E, hole and panel edges use steel wire to carry out colligation；
F, for structure edge member, uses two-way opening stirrup to replace remaining silent stirrup；
(7) embedded part is fixing, and for face suspension centre embedded part, its additional bar needs (must not be by reinforcing bar according to design requirement
Weld with suspension centre embedded part), temporary support embedded part sleeve and suspension centre embedded part rubber sleeve (surface spraying releasing agent) are fixed；
(8) concreting, this project uses strength grade of concrete to be C45, and the slump is 18cm；
(9) concrete surface leveling, polishing and maintenance；
(10) when R.C. wall board strength grade reaches 70%, first take out the rubber sleeve in step (7), fix simultaneously
Temporary support and the connection of wallboard, then will buckle adapter and be connected with suspension centre embedded part；
(11) wallboard lifting, during firm demoulding lifting, needs slowly to operate crane, repeatedly lifts by crane, and after the wallboard demoulding, utilizes height
Surfaces of wall is rinsed by setting-out rifle；
(12) use hammering expansion bolt to be fixed temporary support and indoor cushion, utilize level gauge, regulate simultaneously
Temporary support, it is ensured that the perpendicularity of wallboard and the levelness at top.
The prefabricated construction method of large scale wallboard of the present invention, uses in-situ precast, on the one hand makes full use of place, separately
On the one hand break through the size limit value of prefabrication, save wallboard and repeatedly lifting and transporting；Lifting uses automatically-unhooked making
Construction safety, temporary support and ground are proposed with hammering expansion bolt and are connected to precoat terrace or anchoring pile so that temporary support
More firm.The sequencing of this construction method, speed of application are fast, shorten construction period, and wallboard outer surface effect is attractive in appearance various etc..
The prefabricated construction method of large scale wallboard of the present invention, large-size reinforcement bar concrete panel uses in-situ precast,
Width is unrestricted, building requirements or structure design the width determining its economy, if wallboard participates in overall stress, height can
To reach 18 meters.Wallboard is installed and is used face upset lifting, realizes automatically-unhooked simultaneously, can avoid work high above the ground, and utilization can
Regulation supports temporary support effect.Therefore, large-size reinforcement bar concrete panel construction requirement is high, and difficulty of construction is big, further relates to
The selection of auxiliary products.
The above is only presently preferred embodiments of the present invention, and the present invention not does any pro forma restriction, though
So the present invention is disclosed above with preferred embodiment, but is not limited to the present invention, any technology people being familiar with this specialty
Member, in the range of without departing from technical solution of the present invention, when the technology contents of available the disclosure above makes a little change or repaiies
Decorations are the Equivalent embodiments of equivalent variations, as long as being the content without departing from technical solution of the present invention, the technology according to the present invention is real
Any simple modification, equivalent variations and the modification that confrontation above example is made, all still falls within the scope of technical solution of the present invention
In.
Claims (10)
1. the prefabricated construction method of a large scale wallboard, it is characterised in that including:
Determine the terrace region for making prefabricated panel and for installing the installation region of prefab-form；
In described terrace region, install the template of prefabricated panel, and in the template of prefabricated panel, fix reinforced mesh, suspension centre
Embedded part and temporary support embedded part；
Prefabricated panel is carried out concreting；
After the concrete strength of prefabricated panel reaches lifting requirement, prefabricated panel is fixed with temporary support, then lifting is set
For being connected with described suspension centre embedded part；
Prefabricated panel of slinging makes prefabricated panel and the template demoulding, is winched in described installation region by prefabricated panel, then faces described
Time support be connected with the terrace in described installation region；
Prefabricated panel is installed after putting in place in described installation region, removes described temporary support.
2. the prefabricated construction method of large scale wallboard as claimed in claim 1, it is characterised in that determine for making pre-
The terrace region of wallboard processed, including:
It is the most prefabricated that the place of job site meets all prefabricated panels, first pours indoor cushion as described terrace region；Or
The place of job site is limited, first pours a region as described terrace region, and the little prefabricated panel of size is by chi
Very little big prefabricated panel carries out prefabricated.
3. the prefabricated construction method of large scale wallboard as claimed in claim 1, it is characterised in that in described terrace region
After inside installing the template of prefabricated panel, also include: be fixed for connecting adjacent prefabricated panel in the template of prefabricated panel
Connection embedded part.
4. the prefabricated construction method of large scale wallboard as claimed in claim 1, it is characterised in that in described terrace region
After inside installing the template of prefabricated panel, also include: in the template of prefabricated panel, fix appearance mould.
5. the prefabricated construction method of large scale wallboard as claimed in claim 1, it is characterised in that in described terrace region
After inside installing the template of prefabricated panel, also include: spary releasing agent in the template of prefabricated panel.
6. the prefabricated construction method of large scale wallboard as claimed in claim 1, it is characterised in that at the mould of prefabricated panel
Reinforced mesh is fixed on plate, including:
Arrange the stirrup of lower floor's reinforced mesh, and lower floor's hoisting steel mesh piece is put in place；
For the place of door-window opening, cut according to openings position；
Arrange the stirrup of top bars mesh sheet, and top bars mesh sheet is lifted into position；
Reinforcing bar stirrup in the middle of arranging between upper and lower layer reinforced mesh；
Hole and prefabricated panel edge use steel wire to carry out colligation；
For structure edge member, two-way opening stirrup can be used to replace remaining silent stirrup.
7. the prefabricated construction method of large scale wallboard as claimed in claim 1, it is characterised in that at the mould of prefabricated panel
Suspension centre embedded part is fixed on plate, including: described suspension centre embedded part is arranged at the surface of prefabricated panel, and described suspension centre embedded part uses two to flat
Plate embedded part and can realize automatically-unhooked.
8. the prefabricated construction method of large scale wallboard as claimed in claim 1, it is characterised in that fixing described interim
All configure rubber sleeve when support and described suspension centre embedded part, and on described rubber sleeve, spray releasing agent.
9. the prefabricated construction method of large scale wallboard as claimed in claim 8, it is characterised in that treat the mixed of prefabricated panel
After solidifying soil intensity reaches lifting requirement, prefabricated panel is fixed with temporary support, then by lifting appliance with described suspension centre embedded part even
Connect, including: reach after lifting requires until the concrete strength of prefabricated panel, first take out described rubber sleeve, then by prefabricated panel with
Temporary support is fixed, and is connected with described suspension centre embedded part by lifting appliance the most again.
10. the prefabricated construction method of large scale wallboard as claimed in claim 1, it is characterised in that by described interim
Support is connected with the terrace in described installation region, including: the terrace of described temporary support with described installation region is used hammering
Expansion bolt anchors.
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| CN106986291A (en) * | 2017-05-12 | 2017-07-28 | 黄坤坤 | Large scale prefabricated wallboard overturns construction method for hanging in the air |
| CN108487552A (en) * | 2018-05-22 | 2018-09-04 | 李凤东 | A kind of non-dismantling formwork system chooses part |
| CN111962546A (en) * | 2020-07-25 | 2020-11-20 | 上海精典规划建筑设计有限公司 | Connecting joint structure for lifting wall and foundation and construction process thereof |
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