Box Girder Formwork with Beautiful and Smooth Appearance

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BOX GIRDER

External formwork of 32/24 meters post-tensioning concrete pre-faricated box girder is divided into sliding mode and
rolling mode; the side form of the first mode can move from one bottom form to the other one which increases the
utilization rate, and decrease the investment for the formwork during construction; the side form of the second mode
is relatively fixed according to the bottom form, and could be dismantled by revolving, which improve the efficiency
of formwork closure.The side formwork unit is mainly 6 meters, the design of the sructure is compact
and reasonable with beautiful and smooth appearance.

■  All the edges of ecternal formwork panels for the box girder have been milled, which ensure

the assembly precision to avoid the leakage of the concrete

■  The bottom formwork unit is 3 meters to facilitate the installation and anti-arch adjustment

■  The bulkhead is designed to envelop the sideform,which can be wholely assembled, making the removal, installation and adjustment much easier.

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Q:The calculation formula of the beam column
Refer to JGJ 162-2008 construction formwork safety technical specifications
Q:Calculate the engineering quantity of the beam template or the engineering quantity of the beam and plate
There is a beam slab template engineering quantity = beam template + plate template; beam template and plate template are calculated according to the beam plate
Q:Calculation of the area of beam formwork
Beam: beam length multiplied by the end of the beam and 2 times the length of both sides, the beam length to the side of the column, the wall side, the second beam to the main beam side, the outer part of the calculation of the center line, according to the calculation of the internal part of the net long linePlate: the column, beam, 0.3 square meters outside the hole area
Q:Calculate the beam template when you want to reduce the thickness of the plate
Building template is a temporary support structure is made according to the design requirements, the concrete structure components, according to the position and size of the provisions of forming, maintaining its correct position, external loads and under construction template gravity and acting on the. The purpose of template engineering is to ensure the quality of concrete engineering and construction safety, speed up the construction progress and reduce the cost of the project.
Q:How to support 6m arc beam template how to set up?
If you use a supporting beam of radian template, the bottom surface made of a whole block template (template block with good reinforcement, pouring backwater) after dismantling the entire arc shape template on the line; if the second half of the same radian can do a whole half arc template do the bottom die.
Q:How to do the foundation beam template
The main body of each layer of concrete using fixed pump delivery. Before pouring, it is necessary to clear the debris in the template and advance the wet mode, the concrete vibration needs to be timely, coherent, and shall not leak slurry, reinforcement intensive place need to strengthen the vibration, to ensure the concrete density. Concrete vibrator should try to avoid the direct vibration of the template, to prevent the expansion of the joints at the seams, so as to set up the site to inspect the quality of the template.Wall column concrete pouring in place, to prevent the beam, the plate when pouring overflow phenomenon affect the appearance quality, the wall column concrete pouring should be carried out in time for two times to ensure that the structure section size is correct, the founder does not distort deformation.
Q:How to calculate the beam section size is 200 x 400
Building template:Building template is a temporary support structure is made according to the design requirements, the concrete structure components, according to the position and size of the provisions of forming, maintaining its correct position, external loads and under construction template gravity and acting on the. The purpose of template engineering is to ensure the quality of concrete engineering and construction safety, speed up the construction progress and reduce the cost of the project.This paper introduces the construction formwork structure of cast-in-place concrete structure construction, which is mainly composed of three parts: the panel, the supporting structure and the connecting parts. The panel is in direct contact with the bearing plates of concrete; supporting structure is a temporary structure supporting panel, concrete and construction load, ensure the construction template are firmly combined, do not deform and damage; the connecting piece is connected to the panel and the supporting parts of the whole structure.Building formwork is the concrete pouring forming shell and support, according to the nature of the material can be divided into building template, building wood plywood, covered with plastic board, multilayer board, double-sided adhesive, double-sided coated building template. According to the construction process, the construction formwork can be divided into the cast in place concrete formwork, the pre assembled template, the large formwork, the jump formwork and so on.
Q:Beam plate with a few face template
The beam of the beam plate is made up of 3 face plates, a bottom die and two side moulds
Q:How to control the elevation of the beam bottom and the axis position
Above the control points on the scaffold steel pipe before supporting formwork
Q:Beam column plate template how to calculate the need to deduct what part?
The second is to calculate the template of the beam to calculate the template of the beam with the section length multiplied by the length of the unit is M2Finally the board notice when calculate the template template amount is peripheral template must take and post together part to deduct the intersection with beam part to be deducted

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