Revolving Dismantled Box Girder Formwork

Revolving Dismantled Box Girder Formwork

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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.

Revolving Dismantled 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:I would like to ask the template support system Liang Xiaoliang Ban Xiaoliang refers to what: Plate is a template, bamboo plywood, wood plywood. The small beam is directly supporting formwork wood architrave, there are several kinds of pine, the section size of 30 x 80, 40 x 80, 50 x 100. Support is wood brace steel bar, also called beam

Q:More than the number of square cross-section of the beam high formwork: 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:10-3 degrees of weather, cast in situ floor and girder formwork can be demolished a few days? 25 days enough? There's a wall on the beam.: For the cantilever member of concrete structure engineering, the concrete strength can reach to 100% of the standard value of concrete cube compressive strength.

Q:What is the demolition order of the construction template: 3 the demolition of multilayer floor pillar shall be carried out according to the following requirements: when the upper floor slab is pouring concrete, the next floor slabThe pillar shall not be removed, then the next floor of a live, can only be removed part of the span is 4M or above 4M Xiajun should retain the brace beam, pillar spacing shall not be greater than 3M.

Q:What are the main composition of the beam template: According to the different support parts are divided into four kinds

Q:When Liang Banzhong beam template calculation is the calculation of him in the board? Because in the calculation of engineering quantity of concrete beam by beam plate calculation. But when the template is, the book is not clear. In the calculation of the time quota template can have a beam plate.I use the Guizhou 04 quotaEspecially your last sentence, I haven't said anything yet,There is the Guizhou 04 fixed and did not say what sub beam frame beam separationAbove the beam plate is to explain the main beam, sub beam and plate, according to the calculation of beam and plate volumeThen you explain to me the frame beam is not the main beam? According to this explanation, why do you separate the frame beam: There are beams and plates in the plate with a secondary beam, the frame beam can not be calculated, in the calculation, the plate and the secondary beam of the amount of work together, are the implementation of beam and plate

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:What is a large volume template? How much is the cross section of the beam, belonging to the large volume template?: The above construction total load of more than 10kN/m2, or concentrated line load greater than 15kN/m template support system that belongs to the template, if you do not consider other loads, considering the single weight, according to concrete 25000KG/m3 calculation, then the beam section area of 0.4m2 belongs to the template, such as 400*1000, 300*1350, 500*800 etc.. Central line loads can be calculated in similar ways.

Q:The section size of the beam is 200 x 400 the size of the board is 4500 x 4000 plate thickness of the formula for 120 - a rookie: The side plate of the plate is the circumference of the plate (minus the protruding part of the column) multiplied by the thickness of the plate 0.1m.Beam slab:Plate beam T beam box girder is divided into cast in place PC box girder and steel box girderBeam type structural member composed of steel plates. The basic section is I-shaped, upper and lower transverse wing plate is vertical plate, the middle name web. Some plates are welded with reinforcing ribs. According to the combination method, it can be divided into welding plate beam, high strength bolt plate beam and dissimilar steel plate beam. Reinforced concrete slab beam.

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