In the case of the design and renovation of a house, when there is a new wall, it is necessary to distinguish the wall that is built.
I. Classification and construction of new wall
The light-weight brick partition wall, the skeleton partition wall and the finished wall panel partition wall, which are commonly used in home decoration, constitute a non-load-bearing lightweight inner partition wall. The structure has a thin wall body and small self-weight, and has sound insulation, moisture proof, fire prevention, etc. Function, only to function as a partition and not to bear weight.
1, light brick wall
Light brick type:
The types of light bricks are clay hollow bricks, clay porous bricks, concrete hollow bricks, ceramsite bricks, expanded aerated concrete bricks, etc., and commonly used in home decoration are expanded aerated concrete bricks. Lightweight bricks are light, insulated and soundproof. They are mostly used for non-load-bearing walls and can also be used for infill walls of frames.
Light brick construction:
Large-area barrier partition walls are commonly used for 100x300x600 aerated bricks. Newly built walls need to be staggered and masonry. The joints between the load-bearing walls and the load-bearing walls should be re-rooted with steel bars to increase the firmness of the walls and avoid cracks in the corners. The new light brick wall should be added with a ring of steel every 50 centimeters (the height of the two bricks). Two bars of each ring are placed in parallel, and the steel bar is inserted into the old wall of the joint, and the wall is long and the corner is turned. It must be the entire steel bar bent over.
The outside of the new wall should be affixed with wire mesh before the cement is applied to increase the stability of the wall and the external tiling, avoiding the cracking of the new light-weight wall and the falling off of the plaster layer. Use aerated bricks to build the proportion of cement ash outside the brickwork to avoid large cracks on the surface of the plaster layer.
2, skeleton partition wall a
Material of the skeleton partition wall:
Most of the skeleton partitions in the home decoration are made of light steel keel or wooden keel, and the outer gypsum board and asbestos cement board. Gypsum board is a kind of lightweight board with gypsum slurry as the core and double-sided paper as the protective surface. It has high strength, fireproof and easy processing. It is often used for interior walls, partition walls and ceilings. Asbestos cement board is made of high-quality high-grade cement and is reinforced with natural asbestos fiber. It is made by molding, pressing and high-temperature steaming. It has high compressive strength, long service life, fireproof, waterproof, moisture proof and resistant. Corrosion, impact resistance, easy processing and so on.
Construction of the skeleton partition wall:
Construction of the keel of the partition wall: Firstly, the keel frame should be built for the skeleton partition wall. According to the design requirements, the line should be placed along the ground, the wall and the top position to ensure the vertical vertical of the partition wall. When the plumbing and electrical equipment in the pre-buried wall are laid, the pipeline should not be allowed. Cut the horizontal and vertical keels.
Construction of partition wall gypsum board: The gypsum board should be laid vertically, the long side joints should be on the centerline of the vertical keel, and the joints of the gypsum board on both sides of the keel and the double slab on the side of the keel should be staggered. The wooden keel is fixed with wood screws. The fixed gypsum board cannot be connected by steam nails. The self-tapping screws are used to connect the gypsum board. The nail head is slightly buried in the board, but the paper surface should not be damaged. The nail holes should be rust-proofed. The distance between the self-tapping screws along the periphery of the gypsum board shall not exceed 200mm, the spacing between the nails in the board shall not exceed 300mm, and the distance between the screws and the edge of the board shall be 10~15mm.
Generally, the balcony and the bathroom are equipped with light steel keel for cement board, and the sticky bricks are to be hanged with metal mesh and plastered. After many years of experimentation, I first used the Zhubang 104 rubber compound cement to pull the wool on the cement board, and then used the Zhubang glue to adjust the cement mortar to slab, without hanging the net, which is sturdy and durable, and the construction is convenient.
3, gypsum block partition wall
Raw materials and properties of gypsum blocks:
The gypsum block is a lightweight partition wall product made of natural gypsum and appropriate amount of functional admixtures and additives. It is fireproof, heat-insulating and sound-insulating. It can increase the indoor area, facilitate construction, and can be sawed. It can be nailed, drilled and easy to process. It is mainly used for non-load-bearing walls of frame structures and other structural buildings, generally as inner partition walls.
Construction steps of gypsum block:
The construction steps of the gypsum block are: partition wall release → installation of door and window opening wooden frame → for wall mat → block arrangement pendulum block → masonry block wall → pipeline and pendant installation → wall leveling → veneer layer construction.
Second, the wall insulation
The partition wall in the general living room needs wall sound insulation, and the balcony wall of the outer wall needs wall insulation. If the balcony renovation removes the door and the window inside, it is necessary to make insulation measures for the balcony wall, generally on the balcony. The inside of the wall is made of insulation layer. It can be filled with benzene board or rock wool in the keel as much as possible. It can also be built with foam bricks or other materials with good thermal insulation effect (such as ceramsite) as insulation layer. Most insulation walls Metal mesh should be hung for crack prevention.
In addition to the use of light bricks and filling of benzene board or glass wool or rock wool in the keel, a new type of insulation material extruded board has appeared in recent years, and the interior is an independent closed bubble structure. The thermal insulation performance is obviously superior to other thermal insulation materials, and its thermal insulation performance can still be above 80% after several decades of use.
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