Concrete Pre-faricated Box Girder Formwork

Concrete Pre-faricated Box Girder Formwork

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Loading Port:: Tianjin

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BOX GIRDER

Brief Introduction

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.

Features

■ 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.

Concrete Pre-faricated Box Girder Formwork

Q: How to calculate the length of the beam, beam template area: Is the template area, there are two times in each cross beam, then the results of the calculation of the sub beam cross-sectional area (a few minus a few) is the

Q: What is the foundation beam template: I was in the study of this problem, it 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. Usually the explanation is still looking for evidence.

Q: What kind of frame beam formwork: Application of cast in situ concrete formwork beam single beam, continuous beam combination of steel formwork support! But don't forget, scaffolding, templates, and membranes. Specific look at your project and your province of the quota

Q: Calculate the beam template when you want to reduce the thickness of the plate: Now the general calculation of the template area is the concrete contact surface is positive, the template thickness to be deducted.

Q: There are times when the beam is not to deduct the secondary beam on the main part of the beam?: The bottom of the beam is provided with two side edges, and the side edges are counted to the bottom of the plate

Q: When the main beam and secondary beam connection, calculate the area of the template is good, there is no simple method: It would take the high beam length reduced thickness, and by 2, the last plus beam bottom

Q: Beam column plate template how to calculate the need to deduct what part?: A method is relatively simple and practicalThe calculation formula of the first column is the circumference multiplied by the height of the unit is M2

Q: How to do the foundation beam template: Construction sequence: the structure of the column to tie the tendons to the skin of the number of poles to wall masonry before the first floor on the ground has been played by the large axis of the wall body axis and the line. The surface of the base should be clean and wet. When you start the masonry, the brick should be placed and the seam width should be discharged. In the walls before the first vertical skin pole pole, skin should be marked with each skin brick and mortar joint thickness, lintel ring, position, number of rod should be set up in the skin of the building end corner, wall aspect junction and interior wall. Masonry should be up and down the wrong seam, inside and outside the lap, gray seam straight full, the level of gray seam thickness and vertical ash seam width should be controlled at around 1-1.1cm

Q: How to support 6m arc beam template how to set up?: After setting out in accordance with graphics support ah. If the curvature is large, it can be approximated by linear segmentation.