The hanging formwork structure of kitchen and bathroom with a settlement of 20mm shall be constructed with aluminum formwork and flip bucket.
Support rods are set under the beam support, and the spacing between support rods is ≤ 1200mm; 2.
The bottom corner aluminum and wallboard formwork are connected by bolts, and the wallboard formwork and wallboard formwork are connected by pins with a spacing of 300mm; 3.
C groove: mainly used for bearing and transmission Fastening system: purlin (back ridge) member: mainly used for reinforcement, similar to steel pipe reinforced by wood formwork; Screw: it plays a role of pulling and knotting, and is commonly used for fixing walls, usually covered with PVC pipes; Pin: It plays a fixing role, similar to nails, and is widely used, generally divided into short nails, medium nails, and long nails; Pin plate: it can lock the pin.
The step formwork, side plate and shear wall formwork are connected by pins.
2、 Aluminum formwork assembly process (I) Wall column formwork assembly process Wall column aluminum formwork assembly process: 1.
The distance between pin holes of wall formwork is 300mm, and the two ends are properly densified; The distance between pin holes of floor slab and beam slab is generally 100mm.
Deepening of aluminum mold structure drawings (including the hanging of door and window lintels, one-time pouring of some secondary components, door and window pulling and pressing grooves, water and electricity pressing grooves, and water and electricity hole reservation); 2.
The hole spacing of slot C pin is generally 100mm.
The stair aluminum mold adopts the fully closed assembly process, which is assembled together with the adjacent wall mold (using special C slot connection).
Vibrating opening shall be reserved for step cover plate; 3.
The keel, plate support and plate mold are fixed and connected with pins; 3.
The foreman and workers must be fully familiar with and understand the detailed drawing of aluminum mold structure.
The beam support can only be removed after the structure reaches the corresponding strength; (During construction, three layers of supports shall be provided, and one layer of walls and beams shall be provided) Floor (floating platform) support: transfer the floor (floating platform) load together with the support pole, and connect it with the keel (floor panel) with pin pins.
4.
During the assembly of the first floor, the formworks shall be stacked separately according to the house type and category (wall column, beam and slab).
4.
Adapter system: C slot: mainly used for bearing and transmission, with multiple forms and wide applications.
After the concrete is vibrated, the cover plate at the vibrating port shall be installed and the back ridge shall be reinforced; 3.
1、 Construction preparation (I) Adequate preliminary preparation of technical preparation is the premise to ensure normal construction and production, and also the basis to ensure construction quality.
（2） Assembly process of lower float plate formwork Assembly process of lower float window plate aluminum mold: 1.
Pin layout principle: pins shall be set at the four corners, corner aluminum and both ends of the C-slot of the plate mold, and the spacing between pins in the middle shall not be greater than 300mm.
Pin layout principle: pins shall be set at both ends of the formwork (angle aluminum, C-slot), and the spacing between pins in the middle shall not be greater than 300mm; 4.
The slab formwork is connected with the shear wall formwork and beam formwork through the C-slot.
The bottom formwork, angle aluminum and side formwork are fixedly connected by pins; 3.
3、 Key points of construction process control: the wall column positioning reinforcement must be welded in place to avoid the root deviation of the formwork during the correction process; Before the assembly of aluminum mold, special release agent must be applied; The formwork shall be assembled in strict accordance with the drawings and numbers; Correction and inspection of perpendicularity and flatness of wall column formwork and levelness of beam slab formwork.
The back edge is set according to the internal 4 and external 5.
（2） Material preparation panel system: including wall slab, floor slab (including keel), beam bottom plate and beam side plate.
The horizontal spacing of split screw shall be determined according to the aluminum mold design.
Wall column aluminum formwork is composed of fixed wall panel formwork (60 * 40 angle aluminum is set at the bottom of internal wall formwork and external wall internal formwork, and K plate is set at the top of external wall formwork), back ridge, split screw and diagonal brace; 2.
（3） Beam formwork assembly process Beam aluminum formwork assembly process: 1.
Technical preparation mainly includes: 1.
The lower floating window plate adopts the fully closed assembly process, and the upper part is reserved with a removable vibrating port.
Each unit and each house type must be equipped with 3~4 installation personnel, and the public area (stairwell, elevator) shall be equipped with 2~3 people to be responsible for assembly.
2.
The diagonal bracing feet shall be fixed with expansion bolts, and the embedded water and electricity pipelines in the plate must be avoided..
The floor (floating platform) support must not be removed until the structure reaches the corresponding strength; Diagonal brace: used to fix the wall formwork, and adjust the horizontal position and perpendicularity of the wall formwork.
（4） Plate formwork assembly process Floor aluminum formwork assembly process: 1.
The first track is 250 from the ground, and the distance between each track is ≯ 700; 4.
Design and construction formwork drawing of aluminum mold factory; 3.
When pouring concrete, the formwork at the vibrating port shall not be installed first.
The stacking place is the basement roof or commercial roof.
Stair aluminum mold consists of stair bottom mold, step cover plate, step side plate and back ridge; 2.
Pin connection is adopted between plate mold and angle aluminum; 4.
（3） Tools preparation tools include: hammer, self-made hook, wrench, vertical component mold opener, horizontal component mold opener (IV) Labor and site preparation aluminum formwork assembly shall be subject to the system of fixed person and post.
Pin layout principle: pins shall be set at both ends of the formwork (slot C), and the spacing between pins in the middle shall not be greater than 300mm; 4.
The hole spacing of angle aluminum pin is 50mm.
Be careful not to exceed the load-bearing capacity of the structure.
（6） Aluminum formwork assembly process of hanging formwork: 1.
After the installation of the step, it is also necessary to reinforce the step with a back ridge.
Preliminary construction training and disclosure.
The size of the main components of the aluminum mold is generally finalized, which is convenient for turnover.
The lower float window plate aluminum mold is composed of plate mold, angle aluminum and back ridge; 2.
The floor aluminum formwork is composed of keel, plate support and plate formwork, and the support upright is set under the plate support; 2.
（5） Stair aluminum mold assembly process Stair aluminum mold assembly process: 1.
The aluminum formwork is fixed with angle steel.
The beam formwork is connected with the shear wall formwork through the C-slot.
Beam formwork is composed of fixed beam bottom formwork, angle aluminum, fixed beam side formwork and beam support.
Corner aluminum: It is mainly used for connecting the external corners of the beam bottom to the side plate base plate and the external corners of the shear wall to the wall panel.
Support system: beam support: transfer the load together with the support pole, and connect with the beam bottom plate with pin pin pieces.
