Concrete Pre-faricated Box Girder

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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:What kind of frame beam formwork
Frame beam template, single beam, continuous beam template section, beam set beam template in the middle section.
Q:Calculate the engineering quantity of the beam template or the engineering quantity of the beam and plate
If you read the instructions in the quota, it will be fruitful
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 plate template is composed of the bottom template and what
The template will be installed to expand into one piece, each piece of the area is Si=F*A*B, the formula, F coefficient
Q:According to the experience, who knows the construction area and template, plate, column, beam volume, steel, etc.!
Multi storey residential building structure of each floor area of square meters of content: the template to expand the area of about 2.4 to 2.9 square meters, concrete about 0.42 LiAbout 55 meters, reinforced to 65Kg.Basement floor area per square metre of content: the template to expand the area of about 2.4 to 3 square meters, concrete about 0.8 to 1.1 cubic meters,Steel bar about 125 to 170Kg.
Q:When the height of the beam is large, the reinforcement of the beam is bound on the bottom of the beam
When the beam height is large, the beam of the steel beam in the bottom of the bundle, which means that the beam of the overall weight of steel, in the Liang Dimo binding, and then seal the side template, and then pouring concrete
Q:More than the number of square cross-section of the beam high formwork
The above construction total load of more than 10kN/m2, or concentrated line load greater than 15kN/m template support system that belongs to the template, if you do not consider other loads, considering the single weight, according to concrete 25000KG/m3 calculation, then the beam section area of 0.4m2 belongs to the template, such as 400*1000, 300*1350, 500*800 etc.. Central line loads can be calculated in similar ways. Copy paste..
Q:What are the main composition of the beam template
A> roof formwork support structure B> shear wall structure of formwork C> column formwork support structure
Q:In the end is how to calculate the area? Do you want to deduct the board
The bottom of the beam is provided with two side edges, and the side edges are counted to the bottom of the plate
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.

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