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1. The backing plate and base should be accurately placed on the positioning line, and the backing plate must be laid smoothly and not suspended.
2. When erecting columns, it is strictly forbidden to mix steel pipes with different outer diameters, and the butt fasteners of adjacent columns shall not be at the same height, and the staggered distance shall meet the structural requirements.
3. When starting to erect columns, a throwing brace should be set every 6 spans until the wall pieces are connected.
After the installation is stable, it can be dismantled according to the situation.
4. When erecting the structural layer with connecting wall pieces, after erecting the columns, longitudinal horizontal rods and transverse horizontal rods at the place, the connecting wall pieces should be set up immediately.
5. Closed row scaffolding.
The longitudinal horizontal rod of the same step must be intersected around the circle, and fixed with right-angle fasteners and the inner and outer corner posts.
6. The distance between the horizontal rod of the double-row scaffold against the wall and the decorative surface of the wall should not be greater than 100mm.
7. When the scaffold operating layer is two steps higher than the connecting wall piece, temporary stabilization measures should be taken until the connecting wall piece is erected.
8. scissor support.
The transverse support should be erected synchronously with the column, longitudinal and transverse horizontal rods, etc., and the distance between the center line of the scissor brace and the transverse brace and other fasteners from the main node should not be greater than 150mm.
Pole erection requirements:
1. The scaffold pole is inserted vertically into the base, and the horizontal sweeping rod is used.
It should be fixed on the upright pole immediately below the longitudinal sweeping rod with a right-angle fastener.
2. When the lower part of the scaffold cannot be set up with wall pieces, anti-overturning measures should be taken. When erecting the throwing brace, the throwing brace should be made of ordinary rods and fixed on the scaffold with rotating fasteners, and the inclination angle with the ground is between 45 ° and 60 °;
The distance from the center of the connection point to the master node should not be greater than 300mm;When the scaffold begins to erect a pole, a throwing brace should be set every 6 spans until the wall parts are installed and stable, and then they can be removed according to the situation. The support point of the throwing brace needs to be reinforced.
3. The butt fasteners on the vertical rod should be staggered, and the distance between the two separated joints of the vertical rod in the height direction should not be less than 500mm, and the distance from the center of each joint to the main node should not be greater than 1 3 of the step distance.
4. When the foundation of the scaffold pole is not at the same height, the longitudinal sweeping rod at the height must be extended to the low place by two spans and fixed with the pole, and the height difference should not be greater than 1m. The distance from the axis of the upright pole above the slope to the slope should not be less than 500mm.
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Outer scaffolding erection specifications, do you know.
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What problems should be paid attention to in scaffolding + erection.
Scaffolding + erection should pay attention to what problems Hello dear, scaffolding workers must go through professional safety technical training, pass the examination, and work with a special operation certificate. The apprentices of the scaffolding workers must apply for a study permit and carry out the operation under the leadership and guidance of the technician, and the non-scaffolding workers must not consent. The correct use of personal safety protective equipment, must be dressed smartly (tight sleeves), when working at a height (more than 2m), must wear a safety helmet, buckle the hat belt, correctly use the safety rope, and the safety rope and the 、.. that has been erected
After the team (team) accepts the task, it must organize all personnel to carefully study and comprehend the organizational design and safety technical measures of the special safety construction of scaffolding, discuss the erection method, have a clear division of labor, and send one person with good technology and experience. If the wind force is above level 6 (including level 6), strong winds and bad weather such as high temperature, heavy rain, heavy snow, and fog, the open-air operation at high altitude should be stopped. After wind, rain and snow, it is necessary to inspect and repair the buckle in time if it is found that the tilt sinks, loosens the buckle, and collapses and dismantles the buckle.
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1) The operating layer of the scaffold board must be set up with a baseboard, which is nailed with a wooden board and coated with eye-catching red and white interval safety paint, with a height of not less than 180mm.
2) In the process of erecting the outer scaffold reed frame, it must be erected in strict accordance with the specified structural scheme and size, and be tied to the structure in time to ensure the safety of the erection process.
3) The verticality and horizontal deviation of the rod should be corrected at any time during the erection process to avoid excessive deviation.
4) The erection of the small crossbar should be perpendicular to the large crossbar, and the two ends of the small crossbar should extend more than 10cm outside the large crossbar.
5) The butt fastener connecting the large crossbar should have the opening facing the inside of the shelf, the bolt should be upward, the cross-shaped fastener should not make the opening face down, and the bolt should be moderately tightened.
6) The scissor brace is arranged continuously from the bottom to the top, and the fasteners at both ends of the scissor brace cannot be greater than 20cm from the adjacent connection point.
7) With the progress of the erection of the frame, accompany Mingxiao to follow up in time to do a good job in the hanging and nailing of safety protection facilities such as safety nets and scaffolding.
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Scaffolding is the most important part of a construction project, but many netizens think that scaffolding erection is a worker's business. In fact, these are the things we should know most about the banquet hall. Only by understanding the scaffolding erection specifications can you truly understand the structure of your house, so what are the specifications for erecting early contact building scaffolding?
Next, I will introduce it to you.
Specification 1, construction plan.
Before erecting construction scaffolding, the erection plan should be determined first. This includes the handling of the foundation, the requirements for erection, the spacing of members, the connection method and the drawing of construction drawings. Second, the height of the scaffold should be calculated when it exceeds the fixation.
Third, the construction plan should be consistent with the actual erection of the professor, if there is any inconsistency, the plan must be modified and approved before the construction can be carried out.
Specification two, pole base.
First, the foundation of the scaffolding pole should be consistent with the construction plan. Second, the fastener-type steel pipe scaffold base is divided into welded and forged cast iron, and when erecting, it is necessary to pay attention to paving the wooden backing plate, placing the base, and then erecting the pole. Do not place the pole directly on the board.
The third Lu Xiang talked about the third, when the pole is not buried, at a distance of 20 cm from the ground, a longitudinal and horizontal sweeping rod should be set. Fourth, when the wooden scaffold pole is buried, there is no need to set up a sweeping rod. When burying up to 30 to 50 cm, it is necessary to tamp the broken bricks.
Fifth, when the terrain is low, drainage should be considered. Wooden scaffolding poles should be buried in the mound after backfilling to prevent water accumulation. Specification 3, Rack and Building Structure Rachel.
First, when the height of the scaffold is less than 7 meters, the method of throwing the brace should be set to stabilize the scaffold. If it exceeds 7 meters, it must be connected to the building. Second, the wall rod must be connected to the building to ensure its bearing capacity.
Specification four, rod spacing and scissor support poles.
The spacing of the large and small crossbars should be compounded with the requirements of the regulations and the construction plan. When encountering the door to increase the spacing, it should be reinforced according to the regulations. Second, based on the fact that the upright rod is the main stressed member of the scaffold, it cannot increase the spacing, otherwise its bearing capacity will be reduced.
The step distance of the large crossbar is also not variable. Thirdly, scissor braces are used to prevent the deformation of scaffolding. Therefore, it is necessary to set up a reasonable scissor brace to improve its bearing capacity and overall stiffness.
Fourth, oblique rods should be added to the transverse scissor braces to enhance the transverse stiffness of the scaffolding. Code five, scaffolding boards and protective railings.
Scaffolding is a platform for construction workers, which must be covered according to width, close to the slab and slab. Second, the material of the thickened version must meet the requirements, such as bamboo, wood, steel, etc. Third, prohibit the appearance of probe plates.
Fourth, the safety net should be set up inside the outer row of poles. Fifth, when encountering the operation layer, protective railings and foot guards should be set up to prevent falling.
Specification six, disclosure and acceptance.
First, before setting up, it is necessary to make a detailed disclosure and special command. Second, after the erection is completed, it is necessary to carry out acceptance one by one to confirm that it meets the requirements before it can be used.
The above is what I introduced to you about the building scaffolding erection specifications, if you want to really understand the structure of the house, you still have to understand the construction from the lowest level.
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Hello dear, scaffolding erection safety precautions. There are 1 precautionsThe structural design of the frame body strives to make the structure safe and reliable, the cost is economical and reasonable, and it can fully meet the expected integrity and durability of Anzhong filial piety under the specified conditions and within the specified service period.
2.When selecting materials, we strive to achieve common general, recyclable, easy to maintain and repair, and strive to achieve clear force and structural measures in place when selecting structures. 3.
Based on the above points, the scaffolding must also meet the requirements of JCJ59-99 inspection standards and the relevant standards of civilized standard construction sites.
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Hello dear <> scaffolding precautions are as follows: 1. In the process of erecting scaffolding, it must be erected in accordance with the specified structural plan and size, and it cannot be changed in the middle of the process without permission. 2. In the process of erection, it is necessary to ensure the safety of the process, and the staff in the erection need to wear relevant safety helmets and safety belts.
3. If there is an unqualified rod or a fastener of poor quality, it must not be used reluctantly, and the reluctance to use it will bring great safety hazards to the later erection process. 4. After the erection is completed, the vertical deviation of the rod must be corrected in time to avoid excessive deviation after erection, there is no way to use it to re-erect, and it is very troublesome to spend manpower again. 5. When the scaffolding has not yet been completed, after the end of the work every day, we must ensure that the erection is stable and will not cause any accidents.
6. On the second day, when the scaffolding is re-erected or continued, it is necessary to see whether the scaffolding is in a stable state, and only after checking that it is indeed stable can the next day's erection be carried out. 7. In the process of erection, the outside must be hung with a safety filter, the lower mouth of the filter and the pole must be firmly fastened, and the spacing of the fixed points must not be greater than 500 mm. Pro-<>
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Today, I want to talk to you about the problem of "scaffolding specification installation". This is a very serious question. As the saying goes, if you don't build a good scaffolding, where will you get a good house?
Don't think that "scaffolding installation" is a matter for construction workers and decoration workers, you must know that the safety and specifications of scaffolding directly affect the final results of housing construction. Therefore, today I want to open a chapter to emphasize the "scaffolding installation specifications", so those who love to learn will come to increase their knowledge with me.
Scaffolding is a variety of supports erected at the construction site for workers to operate and solve vertical and horizontal transportation, mainly composed of vertical poles, transverse horizontal rods, longitudinal horizontal rods, sweeping rods, and scissor braces. There are many types of scaffolding, which can be divided according to the use, framing method, setting form, support method, connection method of scaffolding flat rod and vertical pole, and material.
Regarding the installation of scaffolding, China has issued relevant industry standards, that is, the "Safety Technical Specifications for Fastener Steel Pipe Scaffolding in Building Construction". Let's briefly talk about the problems that need to be paid attention to during the installation process.
In the process of scaffolding, the following procedures are carried out in turn: foundation treatment, placement of skids, placement of sweeping rods, erection of poles and fastening of sweeping rods, buckling of longitudinal horizontal rods and fastening of each vertical rod, buckling of transverse horizontal rods, and temporary diagonal bracing buckle buckle.
Second, third and fourth longitudinal horizontal rods buckle the horizontal horizontal rods, set up wall rods, connect vertical poles, and add scissors to support and hang safety nets.
In order to ensure the safety of construction, the scaffold must be erected in accordance with the construction schedule, and the height of the erection at one time shall not exceed two steps above the adjacent wall pieces. After each scaffold is erected, the step distance, longitudinal distance, horizontal distance and verticality of the vertical pole should be corrected in accordance with the provisions of the standard transportation operation. The backing plate should be accurately placed on the positioning line; The backing board is made of wooden backing board with a thickness of not less than 2 spans and a thickness of 75mm.
The butt fasteners of adjacent poles shall not be within the same height, and the staggered distance shall be 3m. When starting to erect, a throwing brace should be set up every 6 spans of noisy beating, until the wall piece is installed and stable, and then it can be removed according to the situation.
The scissor support should be erected synchronously with the vertical rod, transverse horizontal rod and longitudinal horizontal rod. The distance between the center points of the right-angle fasteners and rotating fasteners used to fix the transverse horizontal rod, longitudinal horizontal rod, scissor brace, etc. at the main node should not be greater than 150mm. The butt fastener opening should be facing upwards or inwards.
The length of the end of each member protruding from the edge of the fastener cover plate should not be less than 100mm. The foot guard should be erected on the inside of the outer pole.
It is worth noting that after the scaffolding is erected, it should be accepted by special personnel before it can be used. As the saying goes, "building safety is no small matter". In our daily lives, we should also take action, pay attention to non-standard construction behaviors, and work together to ensure the safety of the environment around us.
At the same time, it is also hoped that the hard-working construction practitioners will pay attention to every detail in the construction process of Shengxiang, and standardize every link to prevent accidents before they occur.
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