Introduction of construction technology of light steel keel and wooden keel suspended ceiling

Light steel keel and wooden keel ceiling structures are all kinds of ceiling structures. Are they the same? Judging from the name, there is a big difference. What's the difference between them? What is their specific process? Bian Xiao introduces you.

Introduction of construction technology of light steel keel and wooden keel suspended ceiling

Construction technology of light steel keel suspended ceiling

(1) elasticity

Copy horizontally the horizontal point room at the corner of each wall (column). Pop up the horizontal line (generally 500mm from the ground). When the water level reaches the ceiling design height and the floor thickness, the chalk line pops up along the wall (column) along the horizontal line, which is the lower leather line of the secondary keel of the ceiling. At the same time, according to the ceiling design, the position of the main keel suddenly appeared on the concrete roof. The main keel should be separated from the center of the ceiling to both sides, with the maximum spacing of1000 mm. Keels marked with suspenders should be separated from the center of the ceiling to both sides, with a maximum spacing of 000mm, and the fixed points of suspenders should be marked. The distance between the fixing points of suspenders is 900 to1000 mm. If the fixed points of beams and pipes are greater than the design and specified requirements, the fixed points of suspenders should be increased.

(2) the fixed boom

Fix the boom with expansion bolts. Punch holes in the top plate with an impact hammer, install expansion bolts, weld one end of the boom to the L30 x30 x3 angle code (the aperture of the angle code should be determined according to the diameter and expansion of the boom), and weld the other end with a screw. A good hanger should be rust-proof. When the boom length is less than 1000mm, hanging ribs can be used; When it exceeds 1000mm, Na's sling should be used. When the boom length is less than 1000mm, Na hanging rib can be used; When it is greater than 1000mm, hanging ribs should be adopted. When installing suspenders, it should also be noted that suspenders should be straight and have enough load-bearing walls. When the extension rod is needed, it must be welded firmly, and the weld should be uniform and full; Ceiling lamp, tuyere, acceptance port, etc. We should add a boom.

(3) The side keel shall be installed according to the design requirements.

Side keel. Along the horizontal keel line of the wall (column), fix L-shaped galvanized light steel belt with embedded screws. Open; If it is a concrete wall (column), it can be fixed with nails, and the spacing of the nails should be smaller than that of the auxiliary keel.

Introduction of construction technology of light steel keel and wooden keel suspended ceiling

(4) Install the main keel

The main keel is hung on the derrick and should be installed parallel to the length of the room. The spacing should be 900- 1000 mm. The installation shall be arched, and the arch height shall be 1/200 to 1/300 of the room span. The cantilever part of the main keel should not be greater than 300mm, otherwise a boom should be added. The length of the main keel shall be butted, and the butting of adjacent keels shall be staggered. After the main keel is hoisted, it should be basically flat.

Note: If the span is larger than the ceiling mentioned above, a large keel shall be added to the main keel every 1.5m, and the vertical main keel shall be welded firmly; If there is a large top grid, the shape part should be welded to the frame with angle steel or square steel. And is firmly connected to the floor.

(5) Install the secondary keel

Keels are divided into open keels and deep keels. The secondary keel is divided into T-shaped painted keel and T-shaped aluminum alloy keel, and all kinds of strip gusset manufacturers are equipped with special keel. The auxiliary keel shall be installed close to the main keel with a distance of 300-600 mm, and the auxiliary keel shall be fixed on the main keel through a T-shaped galvanized iron sheet joint. Both ends of the auxiliary keel should be placed on the horizontal flange of the L-shaped keel. The gusset plate has a special inner corner line as the side keel.

(6) Complete the calibration of keel frame.

Complete acceptance and correction of the installed ceiling keel frame. After passing through the structural position and elevation of the main keel, tighten all hangers and connectors. The suspension is firm, making the whole skeleton stable and reliable.

(7) Installation of gypsum decorative board

Shelf installation: flat connection, wall hanging ceiling. Decorative gypsum boards are stacked in the skeleton of the T-shaped keel assembly, exposing the decorative keel of the ceiling. When installing the board, there should be a board installation seam, and the gap on each side should not exceed1mm.

Construction technology of wooden keel suspended ceiling

1, release the line

1) Determine the elevation line, take the floor reference line as the starting point, and measure the ceiling height according to the design requirements (plus floor thickness) and the training (column) surface. Draw a standard line at this time (as the downline of the ceiling keel). It can be measured by water level gauge or "water column method".

2) Determine the shape line: according to the design requirements, draw the specific position line of the shape on the top or surface.

2. Wooden keel assembly

Wooden keel should be assembled on the floor (ground) before hoisting, and the assembly area should generally not exceed 10 lining. The method of assembling keel usually adopts occlusion and semi-occlusion. Specific methods: Grooving the keel, assembling grooves between grooves, gluing the grooves firmly and fixing them with nails.

3. Install lifting points

Expansion bolts and inserts are usually used to install suspension points and suspenders. Derrick can be used for welding and binding steel bars, angle steel or square timber, lifting points and derrick, hooks, bolts or screws.

4. Fix along the keel of the wall

Use an impact drill to punch holes above the elevation line. The hole is lined with wooden wedges, which are nailed to the wooden wedges along the wall keel.

5. Hoist and fix the keel

Hang the assembled wooden keel vertically above the elevation line with steel wire, temporarily fix it, pull out a few parallel lines, and draw the pole line or nylon line diagonally along the ceiling elevation line. No matter which standard line, the keel will slowly move to the height of the elevation line and then connect with the sling. Similarly, the keel of cascade ceiling is fixed, and the upper and lower keel are connected.

6, keel leveling, bulging

After the whole keel is connected, pull out the diagonal reticle at the bottom of the ceiling, and check and adjust the flatness of the ceiling. When the area is large, the arch can arch. The height of the arch is about the height of this room. The span is 1/200~ 1/3000.

7. Install paper reinforced gypsum board

Nail the paper reinforced slate on the keel with self-tapping screws. During installation, please note that the long side of gypsum board must be perpendicular to the secondary keel, so the end edge falls in the middle of the secondary keel.

Gypsum board should be installed in a free state. When fixing, it should be fixed from the center of the board to the four sides, and there should be a gap of 6mm between the gypsum board and the surface.

The distance between the screw and the plate edge is 10- 15mm, and the pitch of the self-tapping screw shall not exceed 200mm (optional 150- 170mm).

After the plate nailing is completed, the joints and nail holes are filled with gypsum putty, and the joints are filled with joint tape or glass fiber mesh tape. Every joint should be in the front. The caulking putty shall be dried.

The above is the introduction of the construction technology of light steel keel and wooden keel ceiling. It can be seen that the difference between the two processes is still great. I hope I can help you. There is no problem with the decoration. Inquiry? The decoration is very greasy I don't know how to avoid it Click to enter the question-and-answer system, and Old Chinese Medicine Online will provide you with comprehensive support.

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