The latest wall masonry code requirements, masonry wall code requirements

The specifications for masonry are:

First, when building the masonry wall, it must meet the horizontal and vertical requirements to prevent the later collapse.

2. When mixing the mortar on site, the saturation of the mortar should reach more than 80%.

3. The wall must have staggered joints up and down to ensure the stability of the wall.

Fourth, the height of the joint must ensure safety, and the length can not be less than the height 2 3.

Fifth, the thickness of the plastering should be controlled between 8 and 12 mm when building the wall.

6. Construction should not be carried out in rainy days.

The details are as follows:

1. Horizontal and vertical.

Professional construction workers will keep in mind an important mantra when building the wall, horizontal and vertical, because only by doing horizontal and vertical can the verticality of the wall be guaranteed, and there will be no tilt or collapse in the later stage, in order to ensure the verticality of the wall, it is necessary to use infrared rays to mark the horizontal line during construction, so that it will be much more convenient during construction.

Second, the saturation of the mortar.

In addition to the bricks will be used when building the wall, the mortar will also be used, the mortar is generally processed on site, when the mortar is stirred on site, we must pay attention to its saturation, the saturation should reach more than 80%, so as to ensure the solidification of the mortar, if the saturation is relatively low, then the wall may crack in the later stage, and the gravity of the wall is also relatively poor.

Third, the upper and lower staggered seams.

In order to make the wall have a good stability and bearing capacity, there must be upper and lower staggered joints, so as to ensure the nail holding force between bricks and bricks, the requirements for upper and lower staggered joints are not very many, but in general, it will ensure that the shape of the upper and lower staggered joints is particularly similar to the I-shape, because this operation mode is simple, and can also ensure the stability of the wall.

4. Security.

One of the most important issues to pay attention to when building a wall is safety, so the joint must be reliable, the length of the joint can not be less than the height of 2 3, if the construction area of the house belongs to the most frequent area, then remember to add tie bars, it is best to build along the wall, and each layer should leave at least two.

Fifth, the thickness of the plaster.

When plastering, the thickness of the plastering should be controlled at about 8 mm to 12 mm, if the thickness of the plastering exceeds 12, then it may cause the wall to be tilted, if the thickness of the plastering is less than 8 mm, then the stability of the wall will be poor, so the thickness of the plastering must be controlled.

Sixth, the construction weather.

Before construction, you must look at the weather conditions on the second day or the next week, because the masonry cut wall also has requirements for the weather, for example, you can not carry out construction in a rainstorm, if the outdoor rain is not very large, and you want to seize the time to construct, then the height of the wall can not exceed meters every day.

There are standard requirements for the height of wall masonry, and the code requirements are as follows:

1. The strength grade of bricks must meet the design requirements;

2. The strength grade of the mortar must meet the design requirements;

3. The corners and junctions of the brick masonry should be masonry at the same time, and it is strictly forbidden to divide the internal and external walls without reliable measures.

4. The brick-concrete structure should be left with horse teeth. The retention should be correct, and the tie ribs should be set at 50cm intervals;

5. The fullness of the mortar should be greater than 80%;

6. The axis displacement should not be greater than 10mm;

7. The verticality deviation should be less than 10mm;

8. The thickness of the horizontal ash joint should be controlled at 8-12mm

Brick walls belong to masonry walls, which have many advantages such as heat preservation, heat insulation, and sound insulation. However, there are also many unfavorable factors such as slow construction speed, self-weight, and high labor intensity. A brick wall is made up of two materials, brick and mortar, and mortar cements the bricks together to form walls or blocks.

There are many types of bricks, including clay bricks, lime sand bricks, shale bricks, gangue bricks, cement bricks, slag bricks, etc.

1. According to the design drawings, determine the position on the ground, wall and top surface.

2. The ground and light bricks are wet in advance and dried naturally; (There is no clear water on the surface).

3. Base treatment: remove the putty on the original wall and top contact surface;

4. a hanging line, a hanging line;

5. The light brick mortar is full, and the mortar of the horizontal and vertical joints of the new wall is densely filled;

6. The junction surface of the new masonry wall and the original wall and column is provided with metal tie bars every 600mm, and the wall is implanted 100mm, and the lap length is not less than 500mm(The use of steel nails is not approved);

7. The top of the new masonry wall is wedged with small bricks obliquely, and the bricks are filled with cement mortar between the bricks;

8. Garbage is bagged and cleaned up immediately. Precautions: Bricks must be watered, small bricks are constructed, large bricks are built on the wall, and small bricks are obliquely wedged on the top surface.

Precautions. The masonry of brick masonry should be staggered up and down, and built inside and outside. When masonry, the upper mouth pull line adopts a shovel of ash, a brick, and a squeezing and kneading "three, one" bricklaying method for operation.

Operation method: When masonry, first of all, the ash should be evenly leveled, the bricks should be flattened, and the line must be followed when masonry. Left and right neighbors should be level, pay attention to:

The exact size is right at the corners and the slurry is straight and the wall is flat. "The thickness of the horizontal ash joint and the width of the vertical ash joint should be controlled at 10mm, but should not be less than 8mm.

It is strictly forbidden to concentrate on the masonry of the mixed wall, and the brick joint in the brick wall shall not be less than 1 4 bricks long, and the form of masonry shall be determined according to the mechanical performance of the masonry part, 18 bricks and 1 2 bricks thick wall masonry is strictly forbidden to use points.

1. The strength grade of masonry mortar should be carried out according to the design requirements. 2. The wall masonry should be vertical, the brick joints should be straight, the width should be consistent, the mortar should be full, and the bond should be firm. 3. The gap between the masonry and the structure or equipment should be filled with polymer mortar or no Naga shrinkage mortar, and smoothed with grout.

4. The geometric dimensions and surface flatness of the masonry should meet the requirements of the design and specifications. 5. When the infill wall is built, the tie ribs are set at the four corners of the wall column, and the length of the tie ribs should not be less than 600mm; When using reinforcement mesh, the diameter of the reinforcement mesh should not be less than 12mm, the spacing of the reinforcement should not be greater than the height of each layer of bricks in the infill wall masonry should not exceed 3 meters, and when the height exceeds 3 meters, a local strengthening tie should be set between each layer of bricks. 8. The thickness of each layer of bricks in the masonry of the filling wall should not be greater than the horizontal ash joint width of each layer of bricks in the masonry of the filling wall should not be greater than 5mm, and the width of the vertical ash joint should not be greater than that of the filling and rolling wall.

The wall masonry code is a series of requirements that need to be adhered to when building a house, where the part that fills the wall includes the following code requirements:

1.The wall masonry should be constructed in accordance with the design drawings and specifications.

2.The infill wall blocks should be bricks or concrete blocks of neat specifications and good quality. The bricks should meet the national standards and be inspected and qualified.

3.Before masonry, the coarse wall must be adjusted, the wall surface must be reinforced, and the debris and dust on the wall must be cleaned up.

4.When masonry, you should pay attention to the color and texture of the brick to make it look flat and beautiful.

5.When building the wall, the stacking operation should be carried out in accordance with the prescribed method of stacking bricks to ensure the strength and stability of the infill wall. At the same time, it is necessary to ensure that there is a certain moisture-proof gap in the middle of each layer of wall.

6.When building the exterior wall, attention should be paid to maintaining the horizontal line of the wall, and a special masonry method should be used at the corner of the wall to improve the durability and compactness of the exterior wall.

7.After each layer of the wall is built, strict acceptance and measurement must be carried out to confirm that the assigned wall meets the specified requirements.

8.After masonry, the surface of the infill wall should be cleaned and swept away. If there is a visible defect or damage, it needs to be repaired and treated in a timely manner.

The specifications are as follows:1. According to the design drawings, determine the position on the ground, wall and top surface.

2. The ground and light bricks are wet in advance and dried naturally; (There is no clear water on the surface).

3. Base treatment: remove the putty on the original wall and top contact surface;

4. a hanging line, a hanging line;

5. The light brick mortar is full, and the horizontal and vertical joints of the new wall are filled with dense mortar.

6. The new masonry wall and the original wall and column junction surface are provided with metal tie bars every 600mm intervals, and the wall hail is implanted 100mm, and the lap length is not less than 500mm (steel nails are not accepted).

Material requirements. Masonry is mainly composed of blocks and mortar, in which mortar is used as a cementing material to combine the blocks into a whole to meet the requirements of normal use and bear various loads of the structure. The cement varieties and labels used in masonry mortar should be selected according to the masonry location and environment.

The cement should be re-inspected in batches for its strength and stability. The inspection batch should be a batch with the same manufacturer and the same number.

The mud content of the sand used in mortar should meet the following requirements: for cement mortar and cement mixed mortar with a strength grade of not less than m5, it should not exceed 5%; For cement mixed mortar with a strength grade less than m5, it should not exceed 10%; Artificial sand, mountain sand and extra-fine sand should be tested to meet the technical requirements of masonry mortar.

1. Horizontal and vertical.

2. The mortar is full (up to 80%).

3. The upper and lower staggered seams (lap is not less than 1 4).

4. The joint is reliable (the length of the oblique should not be less than 2 3 of the height) when it is difficult to leave the oblique chariot, and the ** area shall not leave the straight chariot, and add tie ribs, tie ribs along the wall 500 to leave a layer, every 120 thick wall to leave one, but each layer is at least 2. When encountering a corner of the wall and can not be masonry at the same time, the use of horse tooth, can not use the mother, nor should the tiger be used, it is best to use the oblique, the length of the oblique should not be less than the height of 2 3. When the indwelling horse tooth is placed, the tie bar should be set.

5. The thickness of the ash joint should be controlled at 8 12.

6. The daily masonry height should not exceed meters, and the construction should not exceed meters in rainy days.

7. Requirements for the main material of masonry: the wall on the elevation of the indoor floor on the ground floor, the wall around the elevator shaft, the wall below the meter from the floor of the bathroom, the elevation wall of the pipe well and the kitchen floor are all solid walls, and the firewall is made of standard bricks. The rest of the walls are made of gangue bricks, in the brick masonry, three standard bricks are built at the beginning of the floor with bricks, and the corners, the ends of the walls, the junctions of the structural columns, and the edges of doors, windows and openings are all solid bricks.

Second, the cause of wall cracking.

1. The settlement of the foundation is uneven.

After a house in the countryside is built, the foundation will settle over time, and uneven settlement will cause cracks in the walls. Usually the cracks caused by the settlement of the foundation are distributed horizontally, and the cracks in the open lines of the wall can be seen in the slight way, and the house may collapse in serious cases, which is very dangerous.

2. The reinforcement of the floor does not meet the standard.

In rural areas, they all build their own houses, and even if they find a professional construction team, they may not be able to ensure that the quality of the project is up to standard. If the reinforcement of the floor does not meet the standard when building the house, it will also cause cracks in the wall in the future.

3. The building materials are unqualified.

The materials used in the construction of the house must ensure the quality, if the use of inferior materials (such as inferior cement), then the firmness of the wall itself will be very poor, of course, there will be cracking.

4. The construction personnel are not professional.

Building houses in rural areas is generally either built by yourself or by finding a construction team, but the construction team is not necessarily professional. Whether it is the ratio of materials or the details of construction, non-professional personnel cannot fully meet the standards. Therefore, the walls of the house are likely to have quality problems, which will inevitably crack in the future.