Assembly Precision Box Girder Steel Template

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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:Rules for calculation of formwork with beam slab
The board side mode *2 is the circumference of the board (minus column protruding part) multiplied by the thickness of the plate 0.1m.
Q:How to calculate the foundation beam, template, and cushion.
Calculation of foundation beam! When the cap is to be deducted beam
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 small, the steel bar of the beam is tied on the top of the beam template, which means that the steel bar of the beam is lighter than the whole, and the steel bar is integrally arranged in the template after the aerial binding;
Q:How to calculate the intersection of rectangular column and beam
Plate and beam plate:(1) the calculation of the area of beam and plate according to the area of beam and plate;(2): high beam plate girders according to the amount of height of sheet thickness calculation;(3) a long beam plate girders: beam to column connection, the length of the beam to column side; girder transfer, beam to beam side.(4) the calculation of the area of the plate and column cap without beam(5) the area of the beam connection is not deducted, and the beam head area is not increased
Q:What is the foundation beam template
The foundation beam without the beam side template of this code, the foundation beam is not calculated at the bottom of the template, select the basis of the beam on the beam directly to the template area.
Q:What is the formula of beam slab formwork
Si=F*A*B, formula, F coefficient, A, length, B width or height.Such as triangle F=0.5, A for the bottom edge of the length, B is high.
Q:Beam plate template is composed of the bottom template and what
Rectangle, F=1, A is the length of the bottom edge, B is high..... So, S1S2, S3,..., one by one. The sum of the above Si is the total area. The amount of template engineering is required
Q:The template is the beam at the bottom of the connection between the two sides of the rod or the bottom of the beam
Note: when the right angle fastener tightening torque of 40--65N.m, test shows that the single fastener will slide in the 12kN under the load, the sliding bearing capacity of desirable 8.0kN; double fastener will slide in the 20kN under the load, the sliding bearing capacity to be 12.0kN.Note: the above values are experimental values! Take a look at your calculation results and this value to meet the double anti sliding bearing capacity can be!
Q:Cast in situ floor and girder formwork can be removed a few days?
If it is summer side touch about 5-7 days is not a problem, the floor of the bottom mold principle that needs to be kept until the floor block to achieve strong design. After the test block strength test qualified to dismantle the bottom mold testing stations in concrete, but in the bottom die and the support under the premise of more than 7 days can be started in the above line ready on a layer of formwork, about 10 days can start pouring a layer of concrete.
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

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