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:Beam plate with a few face template
The bottom die and the two side die, the height of the side plate with the height of the plate thickness
Q:What is the area of the overlap between columns and beams, beams and beams!
It is not deducted from the length to beam or column just didn't count on this side overlap, I figure out part of the coil
Q:How to put the beam formwork in concrete structure
By way of hanging on the board, you do not want to put a line for you!
Q:The formula for the calculation of beam, concrete and brick
The area of the template (= the height of the side of the beam and the bottom of the beam)The cast-in-place concrete beams (including foundation beam) template, according to three surface width multiplied by the beam length, measured in square meters.
Q:What is the wire mesh in front of the foundation beam
Beams are reinforced, how to put into the template? How can we ensure that the concrete does not flow out? Wire netting is the best way
Q:What is the formula of beam slab formwork
The template to be installed to expand into one piece, each piece of the area is
Q:When the main beam is connected with the secondary beam, the area of the template is calculated
From the main beam to break, that is, the secondary beam axis to the axis of the long axis of the main axis of the beam to reduce the length of the beam width
Q:What is a large volume template? How much is the cross section of the beam, belonging to the large volume template?
For the height of more than 8m, the total load is greater than 15kN/m2, or the central line load greater than 20kN/m of the template support system needs to organize expert demonstration".
Q:In the end is how to calculate the area? Do you want to deduct the board
In the middle of the time to buckle, border beam side not buckle, buckle. Calculate the secondary beam to the side of the main beam
Q:How to calculate the beam section size is 200 x 400
A beam plate:1, according to the sum of the contact area of the template template.2. The area of the beam should be deducted.3, the beam of the template is to calculate the beam height (minus the thickness of the plate part) * net long *2 surface. The bottom die has been calculated in the bottom plate4, the bottom plate is the bottom plate of the whole plate (including the bottom of the beam), and then subtract the column area. The board only needs to calculate the bottom mold and the side die.

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