CN110241955A - Assembling structure sandwich thermal insulation board precast facade Cast-in-Situ Segment single side formwork construction method - Google Patents
Assembling structure sandwich thermal insulation board precast facade Cast-in-Situ Segment single side formwork construction method Download PDFInfo
- Publication number
- CN110241955A CN110241955A CN201910530819.1A CN201910530819A CN110241955A CN 110241955 A CN110241955 A CN 110241955A CN 201910530819 A CN201910530819 A CN 201910530819A CN 110241955 A CN110241955 A CN 110241955A
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- Prior art keywords
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- reinforcing bar
- connection
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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
- E04B2/84—Walls made by casting, pouring, or tamping in situ
- E04B2/86—Walls made by casting, pouring, or tamping in situ made in permanent forms
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
- E04G11/06—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for walls, e.g. curved end panels for wall shutterings; filler elements for wall shutterings; shutterings for vertical ducts
- E04G11/08—Forms, which are completely dismantled after setting of the concrete and re-built for next pouring
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
- E04G17/06—Tying means; Spacers ; Devices for extracting or inserting wall ties
- E04G17/065—Tying means, the tensional elements of which are threaded to enable their fastening or tensioning
- E04G17/0655—Tying means, the tensional elements of which are threaded to enable their fastening or tensioning the element consisting of several parts
- E04G17/0657—Tying means, the tensional elements of which are threaded to enable their fastening or tensioning the element consisting of several parts fully recoverable
-
- 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
- E04B2/84—Walls made by casting, pouring, or tamping in situ
- E04B2/86—Walls made by casting, pouring, or tamping in situ made in permanent forms
- E04B2002/8682—Mixed technique using permanent and reusable forms
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
Abstract
A kind of assembling structure sandwich thermal insulation board precast facade Cast-in-Situ Segment single side formwork construction method of the present invention, preparation: built-in connection one is vertical affixed reinforcing bar on one block of steel plate, built-in connection two is that the vertical affixed reinforcing bar with screw thread, connector three are straight reinforcing bar on one block of steel plate, and one end is formed with screw thread；Connector four is straight reinforcing bar；When prefabricated panel on the outer impeller at the cast-in-place position of wall built-in connection two；When rotation angle position and prefabricated aileron position exterior wall on outer impeller built-in connection two, connector one, in interior impeller built-in connection three；The connector four of internal lobe wallboard end face；Wall Cast-in-Situ Segment reinforcement construction is complete, is connect connector four with the reinforcing bar of connector one using additional bar；Two screw thread end of connector connects external screw rod by long nut, and external screw rod passes through pattern hole and locked with fastener；Cast-in-place section concrete reaches the dismounting of design strength rear pattern plate, and external screw rod and taper PVC casing and long nut are cleaned out and reused.
Description
Technical field
The invention belongs to precast wall body technical field of construction, and in particular to a kind of assembling structure sandwich thermal insulation board precast facade
Cast-in-Situ Segment single side formwork construction method.
Background technique
Sandwich heat preservation exterior wall will be thought of as providing the structure convenient for construction when wall assembly when prefabricated.Usual prefabricated outer wall panel
Upper reserved hole after prefabricated panel installation, using these reserving holes, installs outrigger or tool-type protection on the outside of wallboard
Frame, operator construct at station on outrigger.Reinforcement construction is complete, carries on the back flitch on the outside of impeller outside prefabricated panel, using to drawing
Bolt wears prepared screw-bolt hole on prefabricated panel, sockets with wallboard inner side template, carries out wallboard template and fixes.After outrigger is removed, in advance
Hole of boxing out block and water-proofing treatment, heavy workload, increases process and cost, while because exterior wall is sandwich thermal insulated prefabricated
There is infiltration hidden danger in wall, holes blocking.
Summary of the invention
It is pre- in wall body structure when exterior wall is prefabricated to solve to assemble the construction of phase for convenience of precast wall body in the prior art
It boxes out hole, leads to holes blocking and water-proofing treatment heavy workload after construction, and there are problems that infiltration hidden danger.
The present invention is to solve the above problems, the technical solution provided is:
A kind of assembling structure sandwich thermal insulation board precast facade Cast-in-Situ Segment single side formwork construction method, construction procedure are as follows:
Firstly, production wallboard built-in connection, built-in connection one is vertical affixed reinforcing bar on one block of steel plate；Pre-buried connection
Part two is that the vertical affixed reinforcing bar with screw thread, the steel plate are integrated in a manner of plug welding with reinforcement welding on one block of steel plate；
Second, when prefabricated panel, the built-in connection two on the outer impeller at the cast-in-place position of wall, when siphonal lobe plate reinforcement installation
Concrete operations are as follows: the steel plate of connector two be placed on the outside of siphonal lobe plate steel mesh and with steel mesh spot welding；The reinforcing bar of connector two
Part is located on the inside of siphonal lobe plate steel mesh, and along thickness of wall body direction, screw thread end is extended to away from the cast-in-situ wall side position 20mm；
Third, when rotation angle position exterior wall is prefabricated, in exterior wall siphonal lobe plate Cast-in-Situ Segment away from the pre-buried company in the position internal lobe plate end face 150mm
Fitting two, the reinforcing bar of connector two stretch out outer impeller and extend to away from the cast-in-situ wall side position 20mm；In exterior wall corner away from Cast-in-Situ Segment
The position outer impeller 100mm built-in connection one, concrete operations are as follows: one steel plate of connector and siphonal lobe plate steel mesh weld, connector
One reinforcing bar stretches out siphonal lobe insulation board；
4th, when aileron position exterior wall is prefabricated, in outer impeller Cast-in-Situ Segment away from the position internal lobe plate end face 150mm built-in connection
Two, the reinforcing bar of connector two stretches out outer impeller length and is equal to cast-in-place segment thickness；Away from exterior wall Cast-in-Situ Segment siphonal lobe edges of boards side 100mm
Position built-in connection one, one reinforcing bar of connector stretch out siphonal lobe insulation board；
5th, when Side fascia is prefabricated, in interior impeller away from the position avris 100mm built-in connection three, connector three is band silk
The reinforcing bar of button, reinforcing wire end of thread is away from cast-in-place part avris 20mm, and the vertical spacing of connector four is the same as outer impeller embedded bar spacing；
6th, when the interior wall of rotation angle position exterior wall and aileron is prefabricated, the pre-buried connector four for stretching out interior wall plate end face, connection
Part four is straight reinforcing bar, and wall end face is stretched out in end；
7th, exterior wall installs, and wall Cast-in-Situ Segment reinforcement construction is complete, using additional bar, using spot welding by connector four
It is connect with the reinforcing bar of connector one；Long nut is installed at connector two, three screw thread end of connector, and the long nut fixed sleeves are connected to
Taper PVC casing, long nut outer end are equipped with the indent of 2mm, long nut side and two screw thread of connector with respect to PVC casing outer end
Connection, the other end install external screw rod；External screw rod passes through pattern hole and is locked with fastener when Cast-in-Situ Segment template is installed, and screw rod is exposed
100mm；
8th, cast-in-place section concrete reaches the dismounting of design strength rear pattern plate, first unscrews fastener on the outside of template, unloads outer spiral shell
Bar, then form removal, unloads inferior pyramidal PVC casing and long nut with special spanner, by long nut and external screw rod clean out in
Next layer of turnover reuses.
This construction method is easy to operate, and it is fast that peace tears speed open, reduces exterior wall plugging construction process, avoids external wall seepage hidden danger,
Cancel external scaffolding construction；It is used in turn using hinged bolt, i.e. guarantee concrete metope presentation quality, and reduces construction cost.
In this construction method, step 2 to step 6 is the pre-buried structure on the precast wall body that item lists different location, is compiled
Number do not represent sequence of construction.
Specifically, the preferred solution of the invention has:
The connector one, connector two steel plate it is pre-buried when away from siphonal lobe board wall face 20mm.
Connector two is vertically arranged along wall, and connector two avoids impeller reserved steel bar position in wall when pre-buried, arrangement
When five, H is arranged by spacing H from bottom to top ,+450mm ,+450mm ,+600mm ,+600mm is that the first pipe connecting two is high
Degree.
When rotation angle position exterior wall is prefabricated, first of two height of connection of north wall are 150mm, the first pipe connecting of Xi Qiang
Two height are 200mm.
Connector one is vertically arranged multiple tracks along wall, and layout rules copy connector two.
When the exterior wall of corner is prefabricated, the pre-buried connector four for stretching out internal lobe plate end face.
Detailed description of the invention
Fig. 1 is exterior wall pre-buried structure schematic diagram；
Fig. 2 is that exterior wall connector two is vertically arranged schematic diagram；
Fig. 3 is angular position embedded part structure figure；
Fig. 4 is aileron position embedded part structure figure；
Fig. 5 is external screw rod connection structure diagram.
Specific embodiment
Construction method of the invention is described in detail in 1-5 with reference to the accompanying drawing:
A kind of assembling structure sandwich thermal insulation board precast facade Cast-in-Situ Segment single side formwork construction method, operating procedure are as follows:
First, wallboard built-in connection is made, built-in connection 1 is vertical affixed reinforcing bar on one block of steel plate；Pre-buried company
Fitting 22 is that the vertical affixed reinforcing bar with screw thread, the steel plate are integrated in a manner of plug welding with reinforcement welding on one block of steel plate, steel
Plate size uses 100mm*100mm, thick 5mm steel plate.
The second, prefabricated panel when, the built-in connection 21 on the outer impeller at the cast-in-place position of wall, siphonal lobe plate reinforcement installation
When, concrete operations are as follows: the steel plate of connector 21 be placed on the outside of siphonal lobe plate steel mesh and with steel mesh spot welding；21 steel of connector
Muscle portion quartile is arranged on the inside of siphonal lobe plate steel mesh and along thickness of wall body direction, and screw thread end is extended to away from cast-in-situ wall side 20mm
Position.
The pre-buried position of steel plate is away from outer impeller outer side edges 20mm depth.According to different Cast-in-Situ Segment joint forms, determine pre-buried
Horizontal space and away from outer impeller threshold value, to guarantee that outer impeller piece is tight, connector 21 is vertically arranged several along outer impeller
It is a.Connector 21 will avoid impeller reserved steel bar position in wall when pre-buried.The vertical spacing of connector 21 is pressed from bottom to top
Distinguish 150mm ,+450mm ,+450mm ,+600mm ,+600mm arrangement five in portion.As shown in Figure 1, 2.
When third, rotation angle position exterior wall are prefabricated, in exterior wall siphonal lobe plate Cast-in-Situ Segment away from the pre-buried company in the position internal lobe plate end face 150mm
Fitting 21, the reinforcing bar of connector 21 are extended to away from the cast-in-situ wall side position 20mm；In exterior wall corner away from impeller end outside Cast-in-Situ Segment
The portion position 100mm built-in connection 1, concrete operations are as follows: one 2 steel plate of connector and siphonal lobe plate steel mesh weld, connector 1
Reinforcing bar stretches out outer impeller.As shown in Figure 3.Wherein, the setting position of connector 21 is not limited to above-mentioned location point, and setting section exists
Spacing is between 150-200, as long as it nearby meets the requirements close to internal lobe plate end face.When the cast-in-place part of outer impeller is longer,
Twice or more are set side by side in connector 21.In wall, vertically upper arrangement copies the arrangement of connector 21 to connector 1, but is
Construction in later period corner two sides wall steel bar is avoided to collide, the setting height of connector 21 of corner two sides walls is staggered 50mm.
Even first of north wall (position minimum together) connector, 21 height is set as 150mm, then the first pipe connecting of western wall 21
Height is designed as 200mm.
4th, when aileron position exterior wall is prefabricated, in exterior wall siphonal lobe plate Cast-in-Situ Segment away from the pre-buried company in the position internal lobe plate end face 150mm
Fitting 21, the reinforcing bar of connector 21 are extended to away from the cast-in-situ wall side position 20mm；The impeller end outside away from exterior wall Cast-in-Situ Segment
The position 100mm built-in connection 1.In wall, vertically upper arrangement copies the arrangement of connector 21 to connector 1, can be with
The vertical synchronization arrangement of connector 21.As shown in Figure 4.
5th, when Side fascia is prefabricated, in interior impeller away from the position avris 100mm built-in connection 33, connector 33 is band
The reinforcing bar of screw thread, reinforcing wire end of thread is away from cast-in-situ wall side 20mm；Connector three is vertically arranged spacing between outer impeller embedded bar
Away from.Referring to fig. 4.
6th, when the interior wall of rotation angle position exterior wall and aileron is prefabricated, the pre-buried connector 44 for stretching out interior wall plate end face, even
Fitting 44 is straight reinforcing bar, and wall end face is stretched out in end, referring to fig. 4.
7th, exterior wall installs, and wall Cast-in-Situ Segment reinforcement construction is complete, using additional bar, using spot welding by connector 44
With the reinforcement welding of connector 1；The screw thread end installation long nut of connector 21, connector 33, the long nut are fixed outside
Be socketed with taper PVC casing 6,7 outer end of long nut is equipped with the indent of 2mm with respect to PVC casing outer end, long nut side with connect
Part 1 or connector 33 are threadedly coupled, and the other end installs external screw rod 5；External screw rod 5 passes through pattern hole when Cast-in-Situ Segment template is installed
And it is locked with fastener, the exposed 100mm of screw rod.
8th, cast-in-place section concrete reaches the dismounting of design strength rear pattern plate, first unscrews fastener on the outside of template, unloads external screw rod
5, then form removal, unloads inferior pyramidal PVC casing 6 and long nut 7 with special spanner, long nut 7 and external screw rod 5 is cleaned out
It is reused in next layer of turnover.
This construction method is easy to operate, and it is fast that peace tears speed open, reduces exterior wall plugging construction process, avoids external wall seepage hidden danger,
Cancel external scaffolding construction；It is used in turn using hinged bolt, i.e. guarantee concrete metope presentation quality, and reduces construction cost.
Preferably, when corner exterior wall is prefabricated, the pre-buried connector 44 for stretching out internal lobe plate end face.Connector 44 is outside within the walls
There is a design in end of blade face, interior wall end face, when reinforcement construction, connector 44 are connect with additional bar spot welding with connector 1 and is consolidated
It is fixed, reinforce the firm effect of outer impeller.
The connection structure of connector 21 or connector 33 and external screw rod 5 is shown in detail in Fig. 5, and wherein long nut, which is realized, connects
21 reinforcing bar of fitting is removably connect with external screw rod 5, and taper PVC casing 6 is sleeved on outside long nut 7, taper PVC casing 6 and length
Nut 7 is made as one, and box face presses template, and the retraction for having 2mm is designed in 7 end facing sleeve end face of long nut, with template
Surface is spaced apart, avoids bonding long nut 7 when concreting, realizes the removal of long nut after demoulding.Taper PVC set
Pipe 6 is 40mm long.
Beneficial effects of the present invention: 1. exterior walls are not boxed out hole, and external wall seepage hidden danger is avoided.2. not needing to set up wall outer side
Operating platform reduces outrigger expense.3. reducing exterior wall closure and water-proofing treatment process, shortens the construction period, reduce cost.4. template connects
Fitting is pre-buried with component in precast plant, and site operation is convenient, environmentally protective.5. template reinforcement screw is connected using taper PVC sleeve
It connects, is detachably used in turn, reduce cost.
Claims (6)
1. a kind of assembling structure sandwich thermal insulation board precast facade Cast-in-Situ Segment single side formwork construction method, construction procedure are as follows:
Firstly, production wallboard built-in connection, built-in connection one is vertical affixed reinforcing bar on one block of steel plate；Built-in connection two
For the affixed reinforcing bar with screw thread vertical on one block of steel plate, the steel plate is integrated in a manner of plug welding with reinforcement welding；
Second, when prefabricated panel, the built-in connection two on the outer impeller at the cast-in-place position of wall, when siphonal lobe plate reinforcement installation is specific
Operation are as follows: the steel plate of connector two be placed on the outside of siphonal lobe plate steel mesh and with steel mesh spot welding；The reinforcing bar part of connector two
On the inside of siphonal lobe plate steel mesh, and along thickness of wall body direction, screw thread end is extended to away from the cast-in-situ wall side position 20mm；
Third, when rotation angle position exterior wall is prefabricated, in exterior wall siphonal lobe plate Cast-in-Situ Segment away from the position internal lobe plate end face 150mm built-in connection
Two, the reinforcing bar of connector two stretches out outer impeller and extends to away from the cast-in-situ wall side position 20mm；In exterior wall corner away from Cast-in-Situ Segment siphonal lobe
The position plate 100mm built-in connection one, concrete operations are as follows: one steel plate of connector and siphonal lobe plate steel mesh weld, one steel of connector
Muscle stretches out siphonal lobe insulation board；
4th, when aileron position exterior wall is prefabricated, in outer impeller Cast-in-Situ Segment away from the position internal lobe plate end face 150mm built-in connection two,
The reinforcing bar of connector two stretches out outer impeller length and is equal to cast-in-place segment thickness；Away from exterior wall Cast-in-Situ Segment siphonal lobe edges of boards side 100mm
Built-in connection one is set, one reinforcing bar of connector stretches out siphonal lobe insulation board；
5th, when Side fascia is prefabricated, in interior impeller away from the position avris 100mm built-in connection three, connector three is with screw thread
Reinforcing bar, reinforcing wire end of thread is away from cast-in-place part avris 20mm, and the vertical spacing of connector four is the same as outer impeller embedded bar spacing；
6th, when the interior wall of rotation angle position exterior wall and aileron is prefabricated, the pre-buried connector four for stretching out interior wall plate end face, connector four
For straight reinforcing bar；
7th, exterior wall installs, and wall Cast-in-Situ Segment reinforcement construction is complete, using additional bar, using spot welding by connector four and even
The reinforcing bar of fitting one connects；Long nut is installed at connector two, three screw thread end of connector, and the long nut fixed sleeves are connected to taper
PVC casing, long nut outer end are equipped with the indent of 2mm with respect to PVC casing outer end, and long nut side and two screw thread of connector connect
It connects, the other end installs external screw rod；External screw rod passes through pattern hole and is locked with fastener when Cast-in-Situ Segment template is installed, and screw rod is exposed
100mm；
8th, cast-in-place section concrete reaches the dismounting of design strength rear pattern plate, first unscrews fastener on the outside of template, unloads external screw rod, so
Form removal afterwards unloads inferior pyramidal PVC casing and long nut with special spanner, long nut and external screw rod is cleaned out in next layer
Construction turnover reuses.
2. assembling structure sandwich thermal insulation board precast facade Cast-in-Situ Segment single side formwork construction method as described in claim 1, feature
Be: the connector one, connector two steel plate it is pre-buried when away from siphonal lobe board wall face 20mm.
3. assembling structure sandwich thermal insulation board precast facade Cast-in-Situ Segment single side formwork construction method as described in claim 1, feature
Be: connector two is vertically arranged along wall, and connector two avoids impeller reserved steel bar position in wall when pre-buried, when arrangement by from
It is two height of the first pipe connecting that five, H, which is arranged, to top spacing H ,+450mm ,+450mm ,+600mm ,+600mm in bottom.
4. assembling structure sandwich thermal insulation board precast facade Cast-in-Situ Segment single side formwork construction method as described in claim 1, feature
Be: when rotation angle position exterior wall is prefabricated, first of two height of connection of north wall are 150mm, and the first pipe connecting two of Xi Qiang is high
Degree is 200mm.
5. assembling structure sandwich thermal insulation board precast facade Cast-in-Situ Segment single side formwork construction method as described in claim 1, feature
Be: connector one is vertically arranged multiple tracks along wall, and layout rules copy connector two.
6. assembling structure sandwich thermal insulation board precast facade Cast-in-Situ Segment single side formwork construction method as described in claim 1, feature
It is: when the exterior wall of corner is prefabricated, the pre-buried connector four for stretching out internal lobe plate end face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910530819.1A CN110241955A (en) | 2019-06-19 | 2019-06-19 | Assembling structure sandwich thermal insulation board precast facade Cast-in-Situ Segment single side formwork construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910530819.1A CN110241955A (en) | 2019-06-19 | 2019-06-19 | Assembling structure sandwich thermal insulation board precast facade Cast-in-Situ Segment single side formwork construction method |
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| Publication Number | Publication Date |
|---|---|
| CN110241955A true CN110241955A (en) | 2019-09-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910530819.1A Pending CN110241955A (en) | 2019-06-19 | 2019-06-19 | Assembling structure sandwich thermal insulation board precast facade Cast-in-Situ Segment single side formwork construction method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111997221A (en) * | 2020-08-12 | 2020-11-27 | 北京崇建工程有限公司 | Construction method for L-shaped node joint of assembled outer wall |
| CN112554392A (en) * | 2020-11-30 | 2021-03-26 | 北京元洋鑫胜电力工程有限公司 | Wall construction method |
| CN113530230A (en) * | 2021-08-16 | 2021-10-22 | 王鹏 | Disposable concrete formwork connecting system based on split screw |
| CN114197742A (en) * | 2021-12-31 | 2022-03-18 | 三一筑工科技股份有限公司 | PCF board connecting device, construction method of PCF board connecting device and prefabricated part |
| CN114991498A (en) * | 2022-04-23 | 2022-09-02 | 中国五冶集团有限公司 | Method for positioning and fixing embedded steel plates on outer sides of walls and beams of concrete structures |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN205077870U (en) * | 2015-09-28 | 2016-03-09 | 中国建筑第八工程局有限公司 | It is split type to drawing screw rod and template drawknot structure |
| CN109881826A (en) * | 2019-03-21 | 2019-06-14 | 中国二十二冶集团有限公司 | Sandwich thermal insulation board precast facade Cast-in-Situ Segment formwork reinforcement method |
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- 2019-06-19 CN CN201910530819.1A patent/CN110241955A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN205077870U (en) * | 2015-09-28 | 2016-03-09 | 中国建筑第八工程局有限公司 | It is split type to drawing screw rod and template drawknot structure |
| CN109881826A (en) * | 2019-03-21 | 2019-06-14 | 中国二十二冶集团有限公司 | Sandwich thermal insulation board precast facade Cast-in-Situ Segment formwork reinforcement method |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111997221A (en) * | 2020-08-12 | 2020-11-27 | 北京崇建工程有限公司 | Construction method for L-shaped node joint of assembled outer wall |
| CN112554392A (en) * | 2020-11-30 | 2021-03-26 | 北京元洋鑫胜电力工程有限公司 | Wall construction method |
| CN112554392B (en) * | 2020-11-30 | 2022-04-15 | 北京元洋鑫胜电力工程有限公司 | Wall construction method |
| CN113530230A (en) * | 2021-08-16 | 2021-10-22 | 王鹏 | Disposable concrete formwork connecting system based on split screw |
| CN114197742A (en) * | 2021-12-31 | 2022-03-18 | 三一筑工科技股份有限公司 | PCF board connecting device, construction method of PCF board connecting device and prefabricated part |
| CN114991498A (en) * | 2022-04-23 | 2022-09-02 | 中国五冶集团有限公司 | Method for positioning and fixing embedded steel plates on outer sides of walls and beams of concrete structures |
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Application publication date: 20190917 |