CN108708489A - A kind of concrete segment curtain wall and its manufacture and installation method - Google Patents
A kind of concrete segment curtain wall and its manufacture and installation method Download PDFInfo
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- CN108708489A CN108708489A CN201810398789.9A CN201810398789A CN108708489A CN 108708489 A CN108708489 A CN 108708489A CN 201810398789 A CN201810398789 A CN 201810398789A CN 108708489 A CN108708489 A CN 108708489A
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- 238000009434 installation Methods 0.000 title claims abstract description 46
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 108
- 239000010959 steel Substances 0.000 claims abstract description 108
- 238000010276 construction Methods 0.000 claims abstract description 45
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 19
- 239000010935 stainless steel Substances 0.000 claims abstract description 18
- 238000005253 cladding Methods 0.000 claims abstract description 14
- 238000004321 preservation Methods 0.000 claims abstract description 10
- 238000005507 spraying Methods 0.000 claims abstract description 7
- 229920000742 Cotton Polymers 0.000 claims abstract description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 39
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- 238000003466 welding Methods 0.000 claims description 6
- 239000003292 glue Substances 0.000 claims description 5
- 229910001335 Galvanized steel Inorganic materials 0.000 claims description 4
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- 239000011324 bead Substances 0.000 claims description 4
- 238000005266 casting Methods 0.000 claims description 4
- 239000008397 galvanized steel Substances 0.000 claims description 4
- 235000019713 millet Nutrition 0.000 claims description 4
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- 238000004078 waterproofing Methods 0.000 abstract description 5
- 230000009545 invasion Effects 0.000 description 10
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Classifications
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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
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/88—Curtain walls
- E04B2/96—Curtain walls comprising panels attached to the structure through mullions or transoms
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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
- E04B1/38—Connections for building structures in general
- E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
- E04B1/4107—Longitudinal elements having an open profile, with the opening parallel to the concrete or masonry surface, i.e. anchoring rails
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C1/00—Building elements of block or other shape for the construction of parts of buildings
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Load-Bearing And Curtain Walls (AREA)
- Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
Abstract
The invention discloses a kind of concrete segment curtain wall and its manufacture and installation methods, belong to curtain wall field.The present invention makes concrete prefabricated building block with assembling die combination core model, a large amount of welded plate type embedded parts are avoided using groove type embedded part system, stainless steel angle hitch is installed on the steel joist at cladding building block position, it is effectively connect with steel joist by high-strength bolt, using spraying inner waterproofing, heat-preservation cotton construction of exterior insulation system, and by the technologies such as concrete segment handling, cladding, fine tuning, completing the lifting construction of large volume building block, meet security performance requirement, and ensure that construction quality.
Description
Technical field
The invention belongs to curtain wall fields, and in particular to a kind of concrete segment curtain wall and its manufacture and installation method.
Background technology
Growing with city, the functional requirement of building external envelope structure gradually increases, and curtain wall is also not limited to glass
The routine curtain wall construction such as glass curtain wall, aluminum facade, starts concrete segment curtain wall occur in the architectural design of part.However, building
Alien invasion uses concrete prefabricated element, and is constructed in the form of cladding, and larger problem is all brought to designing and constructing.This is
Since concrete segment is as curtain wall, from great, installation accuracy is very high, difficulty of construction is big.Therefore concrete curtain wall building block is made
For a kind of new technology, new material, new process, up for providing a kind of brand-new solution.And it is built with to concrete curtain wall
The demand of block occurs, and is used for the embedded part system of cladding concrete segment curtain wall also urgently in design and manufacture, however due to such
The particularity of curtain wall, current embedded part system and curtain wall integrally manufacture, construction technology needs to carry out re-optimization.
Invention content
It is an object of the invention to solve the blank of concrete curtain wall building block in the prior art, and provide a kind of concrete block
Block curtain wall and its manufacture and installation method.
Specific technical solution of the present invention is as follows：
Concrete segment curtain wall, it be by several block concrete curtain wall building blocks by embedded part system cladding on metope, shape
At curtain wall；
In the concrete curtain wall building block, groove, the mounting surface of groove both sides are opened up in the middle part of the mounting surface of block body
On be respectively equipped with building block upper pendant and building block lower pendant；Main reinforcement and waist muscle, waist muscle and main reinforcement external rings are equipped in block body
There are several stirrups；The building block upper pendant and building block lower pendant is L-shaped, by orthogonal building block pendant main body and pendant
Bending part is formed by connecting, several embedded bar holes for penetrating through its thickness direction, building block pendant are offered in building block pendant main body
The top or bottom of main body offer open main reinforcement avoid holes, and one end of building block pendant main body is fixed on by concreting
In block body, and through there is an embedded bar wrapped up by concrete in embedded bar hole, the embedded bar hole with it is pre-buried
Reinforcement welding is fixed；The main reinforcement avoid holes are sticked in main reinforcement periphery；The other end and pendant of building block pendant main body are curved
Mounting surface is stretched out in folding part, and the end of building block pendant main body close to pendant bending part offers downward opening link slot, hangs
It is offered on part bending part for the fixed connecting hole of embedded part system.
Preferably, in the building block upper pendant, a pair of of structure is also equipped with above the link slot of building block pendant main body
At the square nut and adjusting bolt of screw-thread fit, the screw hole of square nut is located at outside the side wall of pendant inner corner trim position, adjusts
Bolt is downward through square nut, and the central axes of adjusting bolt and the central axes of link slot are respectively positioned on and hang down with building block pendant main body
On straight vertical guide；When link slot is together on the connector for mounting, adjusting bolt bottom branch peaks at connector upper surface.
Preferably, in the block body, open up it is reeded hollow out at section, stirrup uses rectangular closed formula, and
Using single waist muscle, groove is not laid with waist muscle；Do not have at reeded solid-section, stirrup uses c-opening formula, and using double
Waist muscle.
Preferably, offering several mounting holes for installing hanging ring at the top of the block body；Described
Hanging ring is installed on by the way that screw thread is detachable in mounting hole.
Preferably, the embedded part system includes embedded part device and Skeleton hanging part；The main body of the embedded part device is
Several dowels of slot type embedded part, slot type embedded part are embedded in wall in advance, and the C-shaped channel steel for being fixed on dowel end is horizontally placed on wall
Body surface face；Two steel angle hitch are fixed in the channel steel by T-bolt, and two back-to-back settings of steel angle hitch, the two
Between grip vertical steel joist；Several Skeleton hanging parts (3) are fixed at the different height of steel joist, each keel are hung
Two L-shaped connectors in part (3) are individually fixed in by connecting bolt on two sides of steel joist；The steel joist
On connector position and building block upper pendant and building block lower pendant correspond, the link slot in building block pendant main body is from top to bottom
It is sticked on connector and realizes mounting.
Further, strip hole in the horizontal direction is offered in the connector one side concordant with wall, is used for
It is attached with the pendant of concrete curtain wall building block, the strip hole on connecting hole and connector on pendant bending part passes through limit
Bolt is fixed to limit relative displacement.
Further, waterproof layer and heat preservation rock plate are equipped between the block body and wall.
Further, the gap between adjacent block body is blocked by weather-resistant glue.
Another object of the present invention is to provide a kind of manufacture of above-mentioned concrete segment curtain wall and installation method, steps
It is as follows：
S1：According to the shape of block body, the steel mold for pouring, including core model, side form, end mould and bed die are made,
Local maxima gap between side form, end mould and bed die working face is not greater than 0.5mm；Side form, end mould and bed die are assembled,
The steel plate that steel mold surrounding adds 8mm thickness strangles plate, to avoid die deformation when casting concrete；
S2：According to the steel bar arrangement requirement progress Steel Reinforcing Bar Material in block body, main reinforcement uses up and down in the solid-section
2C12 spirals, waist muscle use 2A4 reinforcing bars, and stirrup uses A4 spacing 200mm reinforcing bars, described to hollow out main reinforcement use up and down in section
2C12 spirals, waist muscle use 1A4 reinforcing bars, stirrup to use A4 spacing 200mm reinforcing bars.
S3：Reinforcing bar is placed on according to corresponding position in the mold in assembling, reinforcing bar and mold bottom, the left and right sides are equal
Keep the protection interlamellar spacing of 20mm；After reinforcing bar places, core model left-hand thread on reinforcing bar and is ensured into core model bottom and mold bottom
Between have the spacing of 50mm, core model both sides are bolted on mold；
S4：Bury building block upper pendant and building block lower pendant in core model both sides respectively, the pre-buried deviation of pendant be limited in ± 2mm it
It is interior；An embedded bar is passed through in each embedded bar hole kind respectively, and the two is welded after embedded bar passes through the hole and is connected
It connects；
S5：A lifting is respectively arranged at both ends in the pre-buried hole for hoist for installing hanging ring in mold, wherein bar shaped building block
Hole, and a hole for hoist is respectively arranged at both ends and corner in quoin；
S6：The good concrete of mixing is put into mold in proper order, when being often filled to 50% concrete, is flattened；It will fill
The mold of full concrete is positioned on the platform that vibrates to be vibrated back and forth, until concrete is full；After vibrating, check that stainless steel buries
The position deviations such as part, hole for hoist are more than such as the deviation allowed, should clear up concrete immediately, retrieve reinforcing bar and separately pour again；
Concrete vibrating finishes, and core model is removed after 5 hours, and then entire mold is placed in steaming and cultivating equipment and carries out steam-cured place
Natural curing is carried out after being demoulded more than when reason, steam curing 8 hours or intensity reach 80% to intensity 100%；
S7：It for the concrete curtain wall blocks shape of different location, constantly repeats the above process, until all concrete curtains
Wall building block, which pours, to be finished；
S8：Slot type embedded part is pre-installed in design position, steel angle hitch is then installed on by slot type embedded part by T-bolt
In C-shaped channel steel；In the construction process as occur leakage bury slot type embedded part or slot type embedded part it is embedded after be damaged in concrete construction
Or deviation it is excessive when, mend embedded part after needing, mend embedded part after each and make a call to 4 chemical anchor bolts；Embedded part is mended afterwards to carry out with built-in fitting
Tension and the detection of shearing resistance security performance；
S9：Connector is fixed on to the design position of steel joist using connection bolt；It will across bar-shaped trough with fixing bolt
Steel joist is fixed between steel angle hitch；After the keel installations of big face, entire keel are checked, checks, adjust deviation,
Steel joist is adjusted at a distance from metope by the bar-shaped trough on steel angle hitch；The full weld stage is finally entered, by the T-type of built-in fitting
It is welded using three millet cake between bolt square washer and steel angle hitch, anti-sliding stop；The T-bolt square washer of post-install and steel angle hitch it
Between use three face weld all arounds, weld bead height must not be less than steel angle hitch thickness；
S10：After the completion of steel joist fills, 2mm thickness spraying rapid hardening rubber asphalt waterproof coating is selected to carry out big face to wall
Spraying application；Then it is laid with the hydrophobicity heat preservation rock plate of 80mm thickness in coating outer layer, and digs up part in the both sides of steel joist
Rock cotton board reserves construction space；
S11：Before building block lifting, first concrete curtain wall building block is transported to metope, hanging ring is screwed into hole for hoist, then will be hung
Hook on machine is mounted on hanging ring, promotes building block, and after it is hoisted to construction part, one piece of block tops below or so are each
1 piece of hard valve rubber is placed as protection；
S12：When building block is installed in place, first the building block upper pendant of concrete curtain wall building block, building block lower pendant are caught in pair
In the connector answered, preliminary installation is completed；
S13：Hole for hoist is backed out again, is finely adjusted；Building block vertical adjustment is carried out first：It should ensure that bar-shaped trough and steel when adjustment
Connector on keel mutually latches, basic gapless；It, should be by concrete curtain wall building block when deviation such as occur causes to link closely
Building block upper pendant, the adjusting bolt in building block lower pendant carry out up and down adjustment, so that adjusting bolt bottom branch is peaked on connector
Surface stress；Then building block lateral adjustments are carried out：When laterally adjusting, the length opened up in the connector one side concordant with wall is utilized
Hole carries out the left and right fine tuning of concrete curtain wall building block；After laterally adjusting, in one end of building block by caging bolt to pendant
The strip hole on connecting hole and connector on bending part is fixed, to limit relative displacement；
S14：It completes to after the concrete curtain wall building block of wall plane part installation, and to turning and daughter's wall displacement
Building block is installed.
Preferably, parapet building block is lifted using crane；Before building block installation, first installed on vertical main joist
Hot-galvanized steel corner brace, and upper bumper pad is being padded above, then with the stainless steel bolt corner brace of back through galvanizing from bottom to up；It builds
Block, by the preformed hole alignment stainless steel bolt installation of building block, after being directed at bolt, is slowly fallen and is built when being lifted using hoisting machinery
Block；After building block position adjusts, bolt hole uses the concrete with the position same color to be blocked, and completes parapet pressure
The building block installation of top position.
The present invention in terms of existing technologies, provides a kind of concrete curtain wall building block with brand new, such
Curtain wall building block can be constructed in the form of cladding.And additionally provide a kind of embedded part system that such building block matches.The embedded part system
System can coordinate curtain wall building block to realize vertically and lateral deviation adjusting, and can carry concrete curtain wall building block it is larger from
Weight, meets its requirement to installation accuracy.The manufacture of the present invention and mounting process have carried out larger excellent also for such curtain wall
Change and make concrete prefabricated building block with assembling die combination core model, avoids a large amount of welded plate types from burying using groove type embedded part system
Part installs stainless steel angle hitch on the steel joist at cladding building block position, is effectively connect with steel joist by high-strength bolt, utilizes spray
Inner waterproofing, heat-preservation cotton construction of exterior insulation system are applied, and by the technologies such as concrete segment handling, cladding, fine tuning, completing large volume and building
The lifting construction of block meets security performance requirement, and ensure that construction quality.After the completion of concrete segment curtain wall construction, effectively
It solves the problems, such as concrete segment curtain wall dried hanging, ensure that construction quality.
Description of the drawings
Fig. 1 is the overall structure diagram of concrete curtain wall building block；
Fig. 2 is the sectional view that building block hollows out section；
Fig. 3 is the sectional view of building block solid-section；
Fig. 4 is the structural schematic diagram of building block upper pendant；
Fig. 5 is square nut and adjusting bolt set-up mode schematic diagram in building block upper pendant；
Fig. 6 is the structural schematic diagram of building block lower pendant；
Fig. 7 is the set-up mode vertical view of building block lower pendant and embedded bar；
Fig. 8 is the side view of embedded part device；
Fig. 9 is the vertical view of embedded part device；
Figure 10 is the set-up mode schematic diagram of steel joist and connector；
Figure 11 is mounting means side view of the concrete curtain wall building block in embedded part system；
Figure 12 is the enlarged drawing at building block upper pendant in Figure 11；
Figure 13 is the enlarged drawing at building block lower pendant in Figure 11；
Figure 14 is mounting means vertical view of the concrete curtain wall building block in embedded part system.
Reference numeral in figure：
Concrete curtain wall building block 1, embedded part device 2, Skeleton hanging part 3, insulation water-proof layer 4, weather-resistant glue 5；
Block body 101, building block upper pendant 102, building block lower pendant 103, embedded bar 104, main reinforcement 105, stirrup 106,
Waist muscle 107；Building block pendant main body 1021, pendant bending part 1022, end main reinforcement avoid holes 1023, middle part main reinforcement avoid holes
1024, embedded bar hole 1025, square nut 1026, link slot 1027, adjusting bolt 1028；
Wall 201, slot type embedded part 202, T-bolt 203, steel angle hitch 204, fixing bolt 205, steel joist 206, bar-shaped trough
207；
Connector 301, connection bolt 302, caging bolt 303.
Specific implementation mode
The present invention is further elaborated and is illustrated with reference to the accompanying drawings and detailed description.Each implementation in the present invention
The technical characteristic of mode can carry out the corresponding combination under the premise of not conflicting with each other.
In the present embodiment, the big face of engineering curtain wall facade uses concrete segment, and concrete curtain wall building block 1 passes through embedded part
System is cladding on metope, forms curtain wall.Concrete segment size is mostly 3000 × 240*150mm, 2000*240*150mm, most
Big component is the 3000*670*240mm of capping part, and minimum component is corner component (245+245) * 240*150mm, building block peace
Cladding form and arranged in dislocation are used when dress.For this purpose, the present embodiment concrete curtain wall building block 1 and embedded part system have been carried out it is excellent
Change design.
In this embodiment, as shown in Figure 1, per the block body that block concrete curtain wall block main body is concreting
101, which is mounting surface towards the side of wall, and side outwardly is alien invasion.Block body 101 is poured by concrete
It builds, to mitigate concrete segment dead weight, concrete segment back needs to hollow out processing, therefore is opened up in the middle part of its mounting surface
Groove.Groove does not penetrate through, and building block upper pendant 102 and building block lower pendant 103 are respectively equipped on the mounting surface of both sides.Block body
4 main reinforcements 105 and waist muscle 107 are equipped in 101, waist muscle 107 and 105 external rings of main reinforcement there are several stirrups 106.Building block has
It is reeded to hollow out section, do not have the section structure of reeded solid-section part to refer to Fig. 2 and 3, it hollows out stirrup 106 in section and uses square
Shape closed formula (double limb hoops), solid-section use c-opening formula.Main reinforcement 105 uses 2C12 spirals, waist muscle up and down in solid-section
107 use 2A4 reinforcing bars, stirrup 106 to use A4 spacing 200mm reinforcing bars.It hollows out main reinforcement 105 above and below in section and uses 2C12 screw-thread steels
Muscle, waist muscle 107 use 1A4 reinforcing bars, stirrup 106 to use A4 spacing 200mm reinforcing bars.Single waist muscle is used in section in addition, hollowing out
107, groove is not laid with waist muscle 107, without using double waist muscle 107 in the solid-section of groove.
As shown in figure 4, building block upper pendant 102 is L-shaped, by orthogonal building block pendant main body 1021 and pendant bending part
1022 are formed by connecting, and 3 embedded bar holes 1025 for penetrating through its thickness direction are offered in building block pendant main body 1021, and building block is hung
The top of part main body 1021 offers open main reinforcement avoid holes, and left end is 1/4 circular end main reinforcement avoid holes 1023,
And centre position is 1/2 circular middle part main reinforcement avoid holes 1024.One end of building block pendant main body 1021 is consolidated by concreting
Due in block body 101, and through there is the embedded bar 108 wrapped up by concrete in embedded bar hole 1025.Embedded bar
Hole 1025 can be welded and fixed with embedded bar 108 in advance, in order to avoid displacement is generated in casting process.Two main reinforcement avoid holes are blocked
Together in two main reinforcements, 105 periphery of block tops.As shown in fig. 6, the structure of building block lower pendant 103 and 102 base of building block upper pendant
This is identical, and whether differ only in has square nut 1026.As shown in Fig. 4,5 and 7, i.e., in building block upper pendant 102, building block is hung
1027 top of link slot of part main body 1021 is also equipped with a pair of square nut 1026 and adjusting bolt for constituting screw-thread fit
1028,1026 one end of square nut is fixed by being opened in the square hole of 1027 top of link slot, but its screw hole is located at pendant inner corner trim
Outside the side wall of position, without being located in building block pendant main body 1021.Adjusting bolt 1028 downward through square nut 1026,
And the central axes of adjusting bolt 1028 are respectively positioned on the vertical vertical with building block pendant main body 1021 with the central axes of link slot 1027
On face.At this point, when link slot 1027 is together on connector 301, untight phenomenon is engaged if there is the two, so that it may with logical
Overregulate the oscilaltion of bolt 1028 so that 1028 support top of adjusting bolt carries out stress to 301 top of connector, thus solves
Vertical installation deviation problem.
The other end and pendant of building block pendant main body 1021 in building block upper pendant 102 and building block lower pendant 103 are bent
The mounting surface of building block is stretched out in portion 1022, and building block pendant main body 1021 offers opening close to the end of pendant bending part 1022
Link slot 1027 directed downwardly is offered for the fixed connecting hole of embedded part system on pendant bending part 1022.
In addition, lifting when for convenience of building block in-site installation, needs the top in block body 101 to offer for installing
The mounting hole of hanging ring 104.Mounting hole setting principle is that strip building block is respectively arranged one at both ends.Quoin is in addition at both ends
Setting is outer, to be also on the corner arranged one, steady when ensureing to lift by crane.Hanging ring 104 can be installed on by the way that screw thread is detachable
It is i.e. detachable after rigging out in mounting hole, in order to avoid influence construction.
In the present embodiment, the embedded part system for cladding concrete segment curtain wall includes embedded part device 2 and Skeleton hanging part
3.As shown in FIG. 8 and 9, the main body of embedded part device 2 is slot type embedded part 202, and 3 dowels of slot type embedded part 202 are embedded in wall in advance
In 201, the C-shaped channel steel for being fixed on dowel end is horizontally placed on 201 surface of wall.Two steel angle hitch 204 pass through T-bolt
203 are fixed in channel steel, and square washer, contact position of the T-bolt 203 with channel steel are lined between T-bolt 203 and steel angle hitch 204
It sets and is provided with tooth socket, to prevent to slide.202 general pre-plugged of slot type embedded part, but since built-in fitting quantity is more, constructing
It is damaged in concrete construction after burying, bury such as appearance leakage in journey or deviation is excessive, will all influence the installation essence of keel
Accuracy.To can guarantee construction quality, occur to mend embedded part after case above needs.It is (fixed using M12*160 to taper in embedded part to mend afterwards
Type) chemical anchor bolts, each post-install makes a call to 4 chemical anchor bolts.203 position square washer of T-bolt etc. installs in slot type embedded part
Afterwards, it is welded using three millet cake between square washer and steel angle hitch 204, anti-sliding stop.Post-install side is padded to be used between steel angle hitch 204
Three face weld all arounds, weld bead height must not be less than the thickness of steel angle hitch.All top advancing side square washers will carry out spot welding, lower part
Soldering is not needed.
Two steel angle hitch, 204 back-to-back setting for fixing keel, grips vertical steel joist between the two
206, multiple embedded part devices 2 can be arranged in steel joist 206 on along the line, carry out multiple spot and fix.As shown in Figure 10, steel joist 206
Be fixed with several Skeleton hanging parts 3 at different height, Skeleton hanging part 3 it is specific it is highly desirable regarding the cladding position of concrete segment and
It is fixed.Include two L-shaped connectors 301 in each Skeleton hanging part 3, connector 301 can also use the prefabricated components such as steel angle hitch.
Connector 301 is close to the side of steel joist 206 on one side, and two connectors 301 are run through by a connection bolt 302, solid respectively
Due on two sides of steel joist 206.
Due to certainly existing error in concrete curtain wall building block processing and work progress, in order to realize that it is laterally micro-
It adjusts, the strip hole of horizontal direction is offered in the one side concordant with wall 201 of connector 301, be used for and concrete curtain wall building block
Pendant be attached.The left and right adjusting leeway of the strip hole is ± 3mm, and can only carry out single block in the range
Adjustment, the not adjustment of cumulative errors after laterally adjusting, are fastened in one end of building block using bolt.For anti-sliding stop,
The side of each fastening position and gasket all carry rack.
Concrete segment is very rare as decoration of exterior wall face, and construction weight is larger, to ensure construction quality, this reality
The material for applying example use is mainly as follows：Vertical steel joist 206 uses 100*100*6mm thickness hot galvanized steel pipes, and structural beams position is adopted
With the connection of (220+70) * 110*8mm steel angle hitch, secondary board wall or not by the position of main pulling force using (110+70) * 110*8mm's
Steel angle hitch connects, and 65*50*8mm length is used to be mounted for the stainless steel L-type connector of 60mm between building block and keel.
As shown in Figure 11~14, in aforementioned embedded part system, 301 position of connector on steel joist 206 and building block upper pendant
102 and building block lower pendant 103 correspond, the link slot 1027 in building block pendant main body 1021 is from top to bottom sticked in connector
Mounting is realized on 301, the connecting hole on pendant bending part 1022 is solid by caging bolt 303 with the strip hole on connector 301
Determine to limit relative displacement.The concrete curtain wall building block of different location according to design form it is cladding after to get having arrived concrete block
Block curtain wall.Gap between adjacent block body 101 is blocked by weather-resistant glue 5.
And when the indoor temperature of engineering, humidity require stringent, it needs to apply guarantor between alien invasion block interiors and wall
Warm waterproof layer 4.Block interiors surrounding need to carry out water-proofing treatment and be in continuous closed state, and 80mm thickness hydrophobics can be used in alien invasion
Property heat preservation rock carry out construction of exterior insulation system.Waterproof can be selected 2mm thickness and spray rapid hardening rubber asphalt waterproof coating, and pacify in steel joist
Install into the rear big face spraying application of progress.
In above-described embodiment, the manufacture of concrete segment curtain wall and installation method are as follows：
1, concrete curtain wall building block manufactures
Concrete curtain wall building block is made, manufacturing process includes mainly under the processing of stainless steel built-in fitting, Mold Making, reinforcing bar
The construction technologies such as material, concreting.
1.1, stainless steel built-in fitting processing
The concrete segment thickness that alien invasion curtain wall uses is different, and is adopted above and below same building block, when the dry hanging construction of left and right position
Built-in fitting specification is different.For the precision of guarantee pendant, all pre-buried stainless steels are made of die sinking form, including
Building block upper pendant 102, building block lower pendant 103, slot type embedded part etc..To ensure concrete segment curtain wall dried hanging precision, hung in building block
Part 102,103 built-in fitting reinforced hole machining deviation of building block lower pendant are not more than ± 1mm, evacuation reinforced hole position deviation ± 1.5mm.
1.2 combined steels tool makes
According to the shape of block body 101, the steel mold for pouring, including core model, side form, end mould and bed die are made.
Local maxima gap between side form, end mould and bed die working face is not greater than 0.5mm and is made of the steel plate of 10mm thickness, and building block is dug
The mold at empty position does core model due to not influenced by load, using 6mm steel plates.After side form, end mould and bed die are assembled, steel
The steel plate that mold surrounding adds 8mm thickness strangles plate, to avoid die deformation when casting concrete.
Concrete segment alien invasion size requires height, deviation requirement to control within ± 2mm, and surface must not have apparent gas
Hole and defect, alien invasion are surrounded by the chamfering of 5mm, customize special steel mold thus, weld chamfering in mold, maintain like
It size and polishes flat.
1.3 Steel Reinforcing Bar Material
According to the steel bar arrangement requirement progress Steel Reinforcing Bar Material in block body 101, main reinforcement 105 uses up and down in solid-section
2C12 spirals, waist muscle 107 use 2A4 reinforcing bars, stirrup 106 to use A4 spacing 200mm reinforcing bars, double limb hoops.It hollows out in section
Lower main reinforcement 105 uses 2C12 spirals, waist muscle 107 that 1A4 reinforcing bars, stirrup 106 is used to use A4 spacing 200mm reinforcing bars.
1.4 concrete segments pour
1) reinforcing bar and core model installation
Reinforcing bar is placed on according to corresponding position in the mold in assembling, reinforcing bar is protected with mold bottom, the left and right sides
Hold the protection interlamellar spacing of 20mm.After reinforcing bar places, by core model left-hand thread on reinforcing bar and ensure core model bottom and mold bottom it
Between have the spacing of 50mm, core model both sides are bolted on mold.
2) stainless steel embedded part is arranged
Respectively building block upper pendant 102 and building block lower pendant 103 are buried in core model both sides.Due to entire concrete segment by
Power is all on the stainless steel at building block both ends, and by required precision, the pre-buried deviation of pendant is limited within ± 2mm, is somebody's turn to do embedded
Accurate positioning is wanted when component, also to ensure concrete pour vibrate after position do not shift.
Meanwhile being stayed on each pendant and setting reinforced hole, respectively an embedded bar is passed through 1025 kinds of each embedded bar hole
108, and prevent from shaking by the two electric welding connection after embedded bar 108 passes through the hole.
3) pre-buried hole for hoist
It is lifted on the pre-buried hole for hoist for installing hanging ring 104 in mold when for convenience of building block in-site installation.Hole for hoist
Setting principle is that a hole for hoist is respectively arranged at both ends in strip building block.Quoin will also turn other than being arranged at both ends
One hole for hoist is set at angle, it is steady when ensureing to lift by crane.
Finished surface meeting projective structure face 50mm after part-block installation, to ensure that hole for hoist is not exposed to outside, Jin Erying
Internal structure reinforcing bar is rung, for this purpose, the distance between centre-to-centre spacing and face layer are maintained at 65mm or so when hole for hoist is arranged.
4) concrete segment enters mould and pours
Requirement and guarantee alien invasion stomata due to concrete embedded component precision are reduced as far as possible, and various needs are poured
The mold built, which is placed on, to vibrate on platform, is operated.
Be put into the good concrete of mixing is incremental in mold, when being often filled to 50% concrete, using manually into
Row flattens, and can not firmly squeeze when pressing, prevent the deformation of reinforcing bar and embedded part.The mold for filling concrete is positioned over vibrate it is flat
It is vibrated back and forth on platform, until concrete is full.
After vibrating, the position deviations such as stainless steel embedded part, hole for hoist are checked, be such as more than the deviation allowed, it should be clear immediately
Concrete is managed, reinforcing bar is retrieved and separately pours again.
Concrete vibrating finishes, and will hollow out the core formwork at position in or so about 5 hours, then places entire mold
Carry out steam-cured processing in steaming and cultivating equipment, when steam curing 8 hours or intensity reach 80% more than demould after carry out natural curing
To intensity 100%.
Since the blocks shape of different location differs, it is directed to 1 shape of concrete curtain wall building block of different location, constantly
It repeats the above process, until all concrete curtain wall building blocks 1 are poured and finished.
2, building block curtain wall is installed
2.1 building block curtain wall erection sequences are disposed
Concrete segment installs technical process：Complete built-in fitting strike chisel → surveying setting-out → complement post-install →
Built-in fitting, post-install scene tension, shearing resistance experiment → steel joist installation → wall cleaning, waterproof construction → heat preservation, fire prevention rock
Cotton construction → water-proof air-permeable film installation → building block installation → gluing, ending construction.
2.2 built-in fittings are constructed
Integral Loading is built to mitigate, using groove type embedded part system, this built-in fitting is from heavy and light, moreover it is possible to avoid largely welding
Fishplate bar formula embedded part, and facilitate adjusting, ensure construction quality, accelerates construction progress.
Slot type embedded part system combines the design of other installation systems such as upper wall switching corner brace, can be fully to curtain wall system
Carry out upper and lower, left and right, into and out of adjusting, to well realize curtain wall installation when three-dimensional regulation, digestion building to curtain wall
Existing scale error ensures the installation quality of curtain wall to meet the installation needs of curtain wall.
When built-in fitting is constructed, slot type embedded part 202 is pre-installed in design position, then by T-bolt 203 by steel angle hitch
204 are installed in the C-shaped channel steel of slot type embedded part 202.
Since built-in fitting quantity is more, buried in the construction process as there is leakage, it is embedded after be damaged in concrete construction or
Person's deviation is excessive, will all influence the installation precision of keel.To can guarantee construction quality, occurring to mend after case above needs and bury
Part.In the construction process as occur leakage bury slot type embedded part 202 or slot type embedded part 202 it is embedded after be damaged in concrete construction or
When person's deviation is excessive, embedded part is mended after needing.It mends in embedded part using M12*160 to taper (sizing) chemical anchor bolts, is mended after each afterwards
Embedded part makes a call to 4 chemical anchor bolts；Embedded part is mended afterwards carries out tension and the detection of shearing resistance security performance with built-in fitting.
2.3 building block keel installations
When steel joist is installed, connector 301 is fixed on to the design position of steel joist 206 using connection bolt 302.Then
Steel joist 206 is tentatively fixed on connector across bar-shaped trough 207 with fixing bolt 205, then fixed lower part steel joist, is waited for just
After step fixes, the fine tuning for then carrying out left and right again, passing in and out, disengaging fine tuning is that steel joist 206 passes through steel angle at a distance from metope
Bar-shaped trough 207 on code 204 is adjusted.The fastening work of bolt can be carried out after the completion of fine tuning.Keel installation is from bottom to top
It constructs.
It after big face steel joist 206 installs, needs to check entire steel joist 206, checks, adjusts deviation and go forward side by side
Row record, finally enters the full weld stage.Three millet cake will be used between 203 square washer of T-bolt and steel angle hitch 204 of built-in fitting
Weldering, anti-sliding stop；Three face weld all arounds are used between 203 square washer of T-bolt and steel angle hitch 204 of post-install, weld bead height is not
Obtain the thickness less than steel angle hitch.All top advancing side square washers will carry out spot welding, and lower part does not need soldering.
Size is ensured using 20mm thickness valve rubbers when keel expansion joint position is installed, after the completion of waiting for keel installation, takes out rubber
Leather packing is finally blocked using weather-resistant glue.
2.4 building block inner waterproofings, construction of exterior insulation system
Since the indoor temperature of this engineering, humidity require strictly.Therefore, alien invasion block interiors surrounding carries out water-proofing treatment
And it is in continuous closed state, alien invasion carries out construction of exterior insulation system using 80mm thickness hydrophobicity heat preservation rocks, specific as follows：It is full
Sufficient functional requirement selects 2mm thickness to spray rapid hardening rubber asphalt waterproof coating, and after in steel joist, installation is complete to wall 201 into
The big face spraying application of row.When the heat preservation rock of 80mm thickness is laid with, since steel joist can be covered, and then influences waterproof ventilated membrane and build
The installation of block pendant, therefore dig up 25*100mm rock cotton boards in keel both sides, enough spaces are reserved, so as to applying for next procedure
Work.
2.5 building block lifting constructions
The precast concrete segment that this engineering curtain wall uses is typically about 200KN, most heavy building block about 1600KN, a small amount of corner
And closing in position is one hand tile.For the building block to vary in weight, the lifting mode of use is also different.Building block 1000mm or more
Handling construction is carried out using electronic loop wheel machine when 3000mm or less；Building block is no more than the one hand tile of 90KN, is directly applied using hanging basket
Work；Capping part building block weight is mounted directly in place generally between 1200KN-1600KN using hoisting machinery.
Before building block lifting, first concrete curtain wall building block 1 is transported to metope, hanging ring 104 is screwed into hole for hoist, then will be hung
Hook on machine is mounted on hanging ring 104, promotes building block, after it is hoisted to construction part, one piece of block tops left side below
It is right each to place 1 piece of hard valve rubber as protection, both effective control glue-line sizes, be also avoided that when building block is fallen directly with lower piece
Building block generates hard collision, keeps block surfaces damaged.
When building block is installed in place, first the building block upper pendant 102 of concrete curtain wall building block 1, building block lower pendant 103 are caught in
In corresponding connector 301, preliminary installation is completed.Hole for hoist is backed out again, is finely adjusted, including vertical and lateral adjustments.
Building block vertical adjustment：It should ensure that bar-shaped trough 207 is mutually latched with the connector 301 on steel joist when adjustment, substantially
Gapless；It, should be by the building block upper pendant 102 of concrete curtain wall building block 1, building block lower pendant when deviation such as occur causes to link closely
Adjusting bolt 1028 in 103 carries out up and down adjustment, and 1028 bottom branch of adjusting bolt is made to peak at 301 upper surface stress of connector.
In addition, when two stainless steel fastener height distances are too big, other than being adjusted using bolt, should also be filled out in the gap of two pendants
Fill nylon spacer.
Building block lateral adjustments：When laterally adjusting, the strip opened up in the one side concordant with wall 201 of connector 301 is utilized
Hole carries out the left and right fine tuning of concrete curtain wall building block 1.The left and right adjusting leeway of the strip hole is ± 3mm, and can only carry out list
The adjustment of block building block in the range, the not adjustment of cumulative errors.After laterally adjusting, in one end of building block by limiting spiral shell
The connecting hole on pendant bending part 1022 is fixed with the strip hole on connector 301 for bolt 303, to limit relative displacement.
The side being in contact for anti-sliding stop, the two and gasket all band rack and tooth sockets.
S14：After completing the installation of concrete curtain wall building block 1 to 201 planar section of wall, and to turning and parapet position
The building block set is installed.
Rotation angle position building block is also installed using form of construction work of interlocking.As size face smaller part parallactic angle code can not directly be hung
On the stainless steel adapting piece of steel joist, then the rectangular tube in the small piece 60*30*4mm of face segmentation installation of corner size is needed,
It is attached using M10*160mm bolts between rectangular tube and 100*100*6mm main joists.
The capping parts building block weight such as parapet is larger, is waiting for etc. that the facade finishes and removed with the building block construction of lower portion
It could construct after hanging apparatus.Since parapet building block is very heavy, directly lifted using 50t cranes.Building block is pacified
Before dress, hot-galvanized steel corner brace is first installed on vertical main joist, specification is 63*40*6mm and in the rubber for padding upper 10mm thickness above
Then cushion block uses the M12*230 stainless steel bolts corner brace of back through galvanizing from bottom to up.Building block is lifted using hoisting machinery
When, the preformed hole alignment stainless steel bolt of building block is installed by hand fit, after being directed at bolt, building block of slowly falling.Building block position
After setting adjustment, bolt hole uses the concrete with the position same color to be blocked, and completes parapet capping part and builds
Block is installed.
After the completion of concrete segment curtain wall construction, solves the problems, such as concrete segment curtain wall dried hanging, ensure that and build
Quality is built, and architectural appearance is beautiful, reaches owner and design requirement.
Above-mentioned embodiment is only a preferred solution of the present invention, so it is not intended to limiting the invention.Have
The those of ordinary skill for closing technical field can also make various changes without departing from the spirit and scope of the present invention
Change and modification.Therefore all technical solutions for taking the mode of equivalent substitution or equivalent transformation to be obtained all fall within the guarantor of the present invention
It protects in range.
Claims (10)
1. a kind of concrete segment curtain wall, which is characterized in that cladding by embedded part system by several block concrete curtain wall building blocks (1)
In on metope, curtain wall is formed；
In the concrete curtain wall building block (1), groove, the peace of groove both sides are opened up in the middle part of the mounting surface of block body (101)
Building block upper pendant (102) and building block lower pendant (103) are respectively equipped on dress face；It is equipped with main reinforcement (105) in block body (101)
With waist muscle (107), waist muscle (107) and main reinforcement (105) external rings have several stirrups (106)；The building block upper pendant (102) and
Building block lower pendant (103) is L-shaped, by orthogonal building block pendant main body (1021) and pendant bending part (1022) connection
At offering several embedded bar holes (1025) for penetrating through its thickness direction, building block pendant in building block pendant main body (1021)
The top or bottom of main body (1021) offer open main reinforcement avoid holes, and one end of building block pendant main body (1021) is by coagulation
Soil, which pours, to be fixed in block body (101), and through there is the embedded bar wrapped up by concrete in embedded bar hole (1025)
(108), the embedded bar hole (1025) is welded and fixed with embedded bar (108)；The main reinforcement avoid holes are sticked in
Main reinforcement (105) periphery；The other end and pendant bending part (1022) of building block pendant main body (1021) stretch out mounting surface, and build
The end of block pendant main body (1021) close to pendant bending part (1022) offers downward opening link slot (1027), and pendant is curved
It is offered on folding part (1022) for the fixed connecting hole of embedded part system.
2. concrete segment curtain wall as described in claim 1, which is characterized in that in the building block upper pendant (102), building
Be also equipped with above the link slot (1027) of block pendant main body (1021) a pair of square nut (1026) for constituting screw-thread fit and
The screw hole of adjusting bolt (1028), square nut (1026) is located at outside the side wall of pendant inner corner trim position, adjusting bolt (1028)
Downward through square nut (1026), and the central axes of adjusting bolt (1028) and the central axes of link slot (1027) be respectively positioned on
On the vertical vertical guide of building block pendant main body (1021)；When link slot (1027) is sticked on the connector for mounting, adjust
Section bolt (1028) bottom branch peaks at connector upper surface.
3. concrete segment curtain wall as described in claim 1, which is characterized in that in the block body (101), offer
Groove hollows out at section, and stirrup (106) uses rectangular closed formula, and uses single waist muscle (107), and groove is not laid with waist muscle
(107)；Do not have at reeded solid-section, stirrup (106) uses c-opening formula, and uses double waist muscle (107).
4. concrete segment curtain wall as described in claim 1, which is characterized in that opened at the top of the block body (101)
It is used to install the mounting hole of hanging ring (104) equipped with several；The hanging ring (104) is installed on installation by the way that screw thread is detachable
Kong Zhong.
5. concrete segment curtain wall as described in claim 1, which is characterized in that the embedded part system includes embedded part device
(2) and Skeleton hanging part (3)；The main body of the embedded part device (2) is slot type embedded part (202), several anchors of slot type embedded part (202)
Muscle is embedded in advance in wall (201), and the C-shaped channel steel for being fixed on dowel end is horizontally placed on wall (201) surface；Two steel angles
Code (204) is fixed in the channel steel by T-bolt (203), and two back-to-back settings of steel angle hitch (204), the two
Between grip vertical steel joist (206)；Several Skeleton hanging parts (3) are fixed at the different height of steel joist (206),
Two L-shaped connectors (301) in each Skeleton hanging part (3) are individually fixed in steel joist by connecting bolt (302)
(206) on two sides；Under connector (301) position and building block upper pendant (102) and building block on the steel joist (206)
Pendant (103) corresponds, and the link slot (1027) in building block pendant main body (1021) is from top to bottom sticked in connector (301)
Upper realization mounting.
6. concrete segment curtain wall as claimed in claim 5, which is characterized in that the connector (301) and wall (201)
Strip hole in the horizontal direction is offered in concordant one side, the connecting hole on pendant bending part (1022) and connector (301)
On strip hole it is fixed to limit relative displacement by caging bolt (303).
7. concrete segment curtain wall as claimed in claim 5, which is characterized in that the block body (101) and wall
(201) waterproof layer and heat preservation rock plate are equipped between.
8. concrete segment curtain wall as claimed in claim 5, which is characterized in that the seam between adjacent block body (101)
Gap is blocked by weather-resistant glue (5).
9. manufacture and the installation method of a kind of concrete segment curtain wall as claimed in claim 5, which is characterized in that steps are as follows：
S1：According to the shape of block body (101), the steel mold for pouring, including core model, side form, end mould and bed die are made,
Local maxima gap between side form, end mould and bed die working face is not greater than 0.5mm；Side form, end mould and bed die are assembled,
The steel plate that steel mold surrounding adds 8mm thickness strangles plate, to avoid die deformation when casting concrete；
S2：According to the steel bar arrangement requirement progress Steel Reinforcing Bar Material in block body (101), main reinforcement (105) is adopted up and down in solid-section
With 2C12 spirals, waist muscle (107) uses 2A4 reinforcing bars, stirrup (106) to use A4 spacing 200mm reinforcing bars, hollows out in section up and down
Main reinforcement (105) uses 2C12 spirals, waist muscle (107) that 1A4 reinforcing bars, stirrup (106) is used to use A4 spacing 200mm reinforcing bars；
S3：Reinforcing bar is placed on according to corresponding position in the mold in assembling, reinforcing bar is kept with mold bottom, the left and right sides
The protection interlamellar spacing of 20mm；After reinforcing bar places, core model left-hand thread on reinforcing bar and is ensured between core model bottom and mold bottom
There are the spacing of 50mm, core model both sides to be bolted on mold；
S4：Building block upper pendant (102) is buried in core model both sides and building block lower pendant (103), the pre-buried deviation of pendant are limited in respectively
Within ± 2mm；It is planted respectively across an embedded bar (108), and in embedded bar (108) in each embedded bar hole (1025)
By the two electric welding connection behind the hole；
S5：A lifting is respectively arranged at both ends in the pre-buried hole for hoist for installing hanging ring (104) in mold, wherein bar shaped building block
Hole, and a hole for hoist is respectively arranged at both ends and corner in quoin；
S6：The good concrete of mixing is put into mold in proper order, when being often filled to 50% concrete, is flattened；It will fill mixed
It coagulates native mold and is positioned on the platform that vibrates and vibrate back and forth, until concrete is full；After vibrating, inspection stainless steel embedded part,
The position deviations such as hole for hoist are more than such as the deviation allowed, should clear up concrete immediately, retrieve reinforcing bar and separately pour again；It is mixed
Solidifying soil, which vibrates, to be finished, and core model is removed after 5 hours, and then entire mold is placed in steaming and cultivating equipment and carries out steam-cured processing,
Natural curing is carried out after being demoulded more than when steam curing 8 hours or intensity reach 80% to intensity 100%；
S7：It for concrete curtain wall building block (1) shape of different location, constantly repeats the above process, until all concrete curtains
Wall building block (1), which pours, to be finished；
S8：Slot type embedded part (202) is pre-installed in design position, then steel angle hitch (204) are installed by T-bolt (203)
In the C-shaped channel steel of slot type embedded part (202)；In the construction process slot type embedded part (202) or slot type embedded part (202) are buried as there is leakage
It is damaged in concrete construction after embedded or when deviation is excessive, mends embedded part after needing, mend embedded part after each and make a call to 4 chemical anchors
Bolt；Embedded part is mended afterwards carries out tension and the detection of shearing resistance security performance with built-in fitting；
S9：Connector (301) is fixed on to the design position of steel joist (206) using connection bolt (302)；Use fixing bolt
(205) steel joist (206) is fixed on steel angle hitch (204) across bar-shaped trough (207)；It is right after the keel installation of big face
Entire keel are checked, and are checked, are adjusted deviation, steel joist (206) passes through the item on steel angle hitch (204) at a distance from metope
Shape slot (207) is adjusted；The full weld stage is finally entered, by T-bolt (203) square washer of built-in fitting and steel angle hitch (204)
Between using three millet cake weld, anti-sliding stop；Three are used between T-bolt (203) square washer and steel angle hitch (204) of post-install
Face weld all around, weld bead height must not be less than the thickness of steel angle hitch；
S10：After the completion of steel joist (206) fill, select 2mm thickness spraying rapid hardening rubber asphalt waterproof coating to wall (201) into
The big face spraying application of row；Then the hydrophobicity heat preservation rock plate of 80mm thickness is laid in coating outer layer, and the two of steel joist (206)
Part rock cotton board is dug up in side, reserves construction space；
S11：Before building block lifting, first concrete curtain wall building block (1) is transported to metope, hanging ring (104) is screwed into hole for hoist, then
Hook on loop wheel machine is mounted on hanging ring (104), building block, after it is hoisted to construction part, one piece of building block below are promoted
Top left and right is each to place 1 piece of hard valve rubber as protection；
S12：When building block is installed in place, first by the building block upper pendant (102) of concrete curtain wall building block (1), building block lower pendant (103)
It is caught in corresponding connector (301), completes preliminary installation；
S13：Hole for hoist is backed out again, is finely adjusted；Building block vertical adjustment is carried out first：Should ensure that when adjustment bar-shaped trough (207) with
Connector (301) on steel joist mutually latches, basic gapless；It, should be by concrete when deviation such as occur causes to link closely
Adjusting bolt (1028) in the building block upper pendant (102) of curtain wall building block (1), building block lower pendant (103) carries out up and down adjustment, makes
Adjusting bolt (1028) bottom branch peaks at connector (301) upper surface stress；Then building block lateral adjustments are carried out：It laterally adjusts
When, carry out concrete curtain wall building block (1) using the strip hole opened up in connector (301) one side concordant with wall (201)
Left and right fine tuning；After laterally adjusting, in one end of building block by caging bolt (303) to the connection on pendant bending part (1022)
Hole is fixed with the strip hole on connector (301), to limit relative displacement；
S14：After completing concrete curtain wall building block (1) installation to wall (201) planar section, and to turning and parapet position
The building block set is installed.
10. manufacture and the installation method of concrete segment curtain wall as claimed in claim 9, which is characterized in that parapet building block
It is lifted using crane；Before building block installation, hot-galvanized steel corner brace is first installed on vertical main joist, and padding upper rubber above
Leather packing block, then with the stainless steel bolt corner brace of back through galvanizing from bottom to up；Building block will be built when being lifted using hoisting machinery
The preformed hole alignment stainless steel bolt installation of block, after being directed at bolt, building block of slowly falling；After building block position adjusts, bolt
Hole uses the concrete with the position same color to be blocked, and completes parapet capping part building block installation.
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| CN109989486B (en) * | 2019-05-20 | 2024-05-17 | 广东建星建造集团有限公司 | Dry-method connection combined prefabricated shear wall connection system |
| CN112502454A (en) * | 2020-12-28 | 2021-03-16 | 万建建设有限公司 | Building wall monitoring system |
| CN112502454B (en) * | 2020-12-28 | 2022-07-08 | 万建建设有限公司 | Building wall monitoring system |
| CN113006353A (en) * | 2021-02-21 | 2021-06-22 | 浙江建设职业技术学院 | Construction method of prefabricated hanging plate curtain wall |
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