Concrete Pre-faricated Box Girder Formwork

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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:I would like to ask the template support system Liang Xiaoliang Ban Xiaoliang refers to what
High formwork concrete beams are usually large in size, gravity load, plan people sometimes use 50 x 100 (width * height) wood brace, called Liang Xiaoliang, a thin concrete slab gravity load is less, with 30 * 80 mu Fang, challenge the small beam. According to the different rib beam floor plan, good people, they try to use the same specifications of the wooden architrave, there is no Liang Xiaoliang, small plate beam, just calculate book Liang Xiaoliang, trabecular plate.
Q:What are the middle and side beams in the T beam template?
The use of T beam highway bridge generally 5 pieces of beam for the span of 1, which is the outermost of the two to become [edge beam]
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: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:How to calculate the beam model
Column according to the circumference of the column by column height, Liang Anliang on both sides of the beam after the end of the beam length, according to the net floor area of the room (excluding wall width or Liang Kuan) calculation.
Q:How to do irrigation formwork
For your understanding of the 200*350, this is the inside of the beam height. The true beam is 200*500. without the need to deduct plate thickness
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.
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:How to calculate the amount of beam formwork
If it is in the middle, the template area = (0.6-0.12) *2+0.3] squareThe height of support is calculated according to the height of beam bottom
Q:The main floor beam template installation should pay attention to what?
Install the bottom die, the beam according to the span length of 3 m to the bottom of the beam arch, to ensure that after the completion of concrete pouring, floor thickness and deflection to meet the requirements of the drawings. Beam from the end of the 500mm, in the bottom of the beam to keep a clean mouth, to be cleaned up debris, it will be blocked. The side beam mould die bag bottom mold method, and clip stickers in the template angle at.

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