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:Why does the formwork support only three faces?
Only the bottom surface of the beam and the two sides of the board, the above is not to shop template, or how the concrete pouring.The general site is the beam and plate template shop together, the top of the beam and the top elevation of the same plate,
Q:Rules for calculation of formwork with beam slab
Figure is too small, the eyes are looking at flowers.1, floor 12.24*7.44 is the bottom of the whole plate (including the bottom of the beam), and then subtract the column area. Board only need to calculate the bottom and side die on the line, do not use *2.
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:When the height of the beam is large, the reinforcement of the beam is bound on the bottom of the beam
The wooden wall on both sides of a beam hour after tie beam.A large beam of a closed wall or two edges are not tied on the tie Liang
Q:What is the foundation beam template
The template based beam should be the construction is not based on beam design has been explained, but the quota is a little different, the beam bottom cushion or other basis should be the beam, it should be suspended under the general frame or beam. The difference is that the two side support and the three side support.
Q:Calculation of beam and column formwork
Calculate the area between the axis, into the wall of the plate into the area of the plate, and then deduct more than 0.3 of the hole, that is, the area of the beam plate
Q:Beam plate template is composed of the bottom template and what
A, length, B width or height. Such as triangle F=0.5, A for the bottom edge of the length, B is high
Q:What are the main composition of the beam template
According to the different support parts are divided into four kinds
Q:The calculation of formwork engineering quantity of ground beam needs to calculate the bottom of beam
The ground beam (patand) agreement is commonly known as the foundation beam, which has the characteristics of closed, and the structure of the column into a seismic system,
Q:I would like to ask the three sides of the template is calculated on the surface of which is the three?
Generally, there are two kinds of formwork support:Area of contact surface between concrete and formwork

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