(7) The construction shall be carried out in strict accordance with the construction scheme and corresponding safety technical specifications and standards.
Type B: 48 series, vertical pole Φ 48mm × 3.2mm, horizontal rod and horizontal inclined rod Φ 42mm × 2.5mm, vertical inclined rod Φ 33mm × 2.3mm, bracket base Φ 38mm, mainly used for house and decoration, stage lighting frame and other fields, generally connected by outer sleeve, the specification modulus of vertical pole is generally 500mm, and the specification modulus of horizontal pole is generally 300mm.
In recent years, the socket type scaffold has been developed rapidly in the construction of cast in place support because of its strong bearing capacity, beautiful appearance, simple operation and low material loss.
The turnbuckle scaffold is waterproof, fireproof and rust proof, no maintenance is required, saving money and trouble.
NOCITCE changed the push rule because of WeChat official account.
(9) Requirements for wall connecting parts: the distance from the connecting point of wall connecting parts and frame to the buckle node shall not be greater than 300mm.
Today, Xiaobian has sorted out the key points of construction technology for the erection of new turnbuckle support for your reference.
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The construction personnel must protect various facilities on the site, such as distribution box, formwork, upper and lower pipelines, steel structure, masonry and other permanent or temporary structures or facilities.
(8) for each step of horizontal rod layer of double row scaffold, when there is no hook steel scaffold board to strengthen the stiffness of horizontal layer, horizontal diagonal rods shall be set every 5 spans.
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(6) The turnbuckle scaffold must be erected along with the construction progress.
Each scaffolder shall be equipped with anti-skid gloves, anti-skid shoes and tools, safety hooks or bags, and the operation tools shall be hung on the safety hooks or put into the bags.
② The image of the construction site is “tall”.
Erection construction of turnbuckle support (1) Erection steps of the turnbuckle scaffold step 1: place the adjustable base step 2: erect the foundation frame step 3: erect the inclined rod and lay the platform steel springboard step 4: erect the ladder beam and lay the steps step step 5: heighten according to the use demand and use it according to the specification after reporting to the safety acceptance (2) The first step is to prepare a special technical scheme for the construction of formwork support frame.
(11) the following personnel shall not be engaged in the construction of disc support: those with hypertension, heart disease, epilepsy and other diseases that are not suitable for high-altitude operation..
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Specifications for construction personnel of buckle scaffold (1) the erection and demolition of buckle scaffold support must be undertaken by trained professional scaffolders with certificates; non special operators shall not be engaged in erection operation.
When it is necessary to set up a safety passage or carry out cross operation during the use of the disc support, the safety protection net of the disc buckle scaffold must be set up, and the specific setting requirements shall be determined by the relevant parties through consultation.
The construction site gets rid of the “dirty, messy and poor” by erecting the coiled scaffold ③ save material consumption.
After the rain and snow stop, the turnbuckle scaffold support shall be cleaned before it can be put on the shelf for construction.
⑤ the service life is long, and the cost of single use is lower than other scaffolds.
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The scheme shall mainly include: 1) overview of high formwork support frame structure, including the scope of each area, erection height, slab thickness, beam section (explain the span in case of over span), structure of lower bearing layer, etc.
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(2) Scaffolders must correctly wear safety helmets and fasten safety belts when entering the construction site.
(10) Protect the finished products.
For the unfinished materials, the operators shall not leave the rods to be fixed and potential unsafe hazards when leaving the operation post, so as to ensure the stability of the turnbuckle scaffold support.
There are more and more construction cases of turnbuckle support.
5) construction management system and main operation teams .
the connection mode of vertical rod is divided into two forms: outer sleeve connection and inner connecting rod connection.
(3) the operators must strictly implement the provisions of safety technical disclosure and work arrangement before work.
The disc support shall not be used as the unloading platform, and it is strictly prohibited to stack materials on the disc support.
3) calculation sheet (the maximum section of various erection parameters shall be taken for checking calculation) 4) requirements for mobilization inspection and acceptance of materials, including: Construction Technology for erection and removal of formwork support; requirements for connection mode of formwork support; requirements for connection between formwork support and columns and beams; requirements for foundation practice of frame or retention of lower formwork support; requirements for inspection and acceptance of formwork support; requirements for concrete pouring and tamping; monitoring measures for formwork support.
(5) Requirements for continuous erection height of double row external scaffold: no more than 24m.
(4) requirements for adjustable base: the exposed length of the adjustable screw rod of the adjustable base shall not be greater than 300mm, and the height from the bottom horizontal rod of the sweeping rod to the ground shall not be greater than 550mm.
(6) requirements for frame step and span of double row external scaffold: the step should be 2m, the longitudinal distance of vertical pole should be 1.5m or 1.8m, and no more than 2.1m, and the horizontal distance of vertical pole should be 0.9m or 1.2m.
(2) height requirements for independent high formwork: for long strip independent high formwork support, the ratio H / b of the total height of the frame to the width of the frame should not be greater than 3.
Step 3: support erection and erection process flow are as follows: 4.
2) list the erection parameters according to the selected formwork support form (the erection parameters shall be reasonably classified according to the beam size and plate thickness).
Precautions for the erection of turnbuckle scaffold (1) Requirements for internal support step: when the erection height is no more than 8m, the step should not exceed 1.5m, and when the erection height is more than 8m, the step should not exceed 1.5m.
(4) When erecting the disc support, it is strictly prohibited to walk through the safety restricted area and carry out cross operation.
(8) in case of heavy rain, fog, snow or strong wind above level 6, the circular support shall not be used.
One hammer per person can also quickly complete the construction, saving man hours and labor costs.
(7) Layout requirements of diagonal tie rods: within 24 meters of the allowable erection height required by the specification, a vertical diagonal tie rod shall be set every 5 spans and each layer along the outer longitudinal direction of the frame body, or fastener steel pipe cross bridging shall be set between 5 spans.
(3) Requirements for adjustable bracket: the exposed length of the screw rod of the adjustable bracket shall not exceed 400mm, and the length of the bracket inserted into the vertical rod or double channel steel joist shall not be less than 150mm.
④ the safety of construction personnel is more guaranteed.
(9) In case of potential accidents during the construction of disc support, the construction must be stopped immediately, the operators shall be evacuated, and measures shall be taken to eliminate the potential dangers until the safety is guaranteed.
Step 2: prepare the list of beam formwork erection parameters.
During construction, the perpendicularity of the vertical pole and the levelness of the cross bar shall be controlled, and the positions of the nodes and unloading points shall meet the requirements.
Turnbuckle scaffold Types of supports: the models of turnbuckle supports are mainly divided into two types: type A and type B.
Advantages of turnbuckle support ① high construction efficiency.
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Type A: 60 series, vertical rod Φ 60mm × 3.2mm, horizontal bar and inclined bar Φ 48mm × 2.5mm, bracket base Φ 48mm, mainly used for heavy support, such as internal connection in bridge engineering.
(5) It is strictly prohibited for operators to run, retreat, play and sit on the rod on the disc support to avoid unsafe operations such as collision, flash, release, sliding and falling objects; it is strictly prohibited to work after drinking.
allocation of special operation personnel such as respective responsible persons and scaffolders.
Without fasteners, half of the steel is saved compared with the traditional scaffold, and the scaffold is more firm and stable.
The bearing capacity and stability of the turnbuckle scaffold are better.
