Box Girder Steel 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.

Box Girder Steel Formwork

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:Known length of 50.8 meters, known to be designed for the width of the area of the loss of 1 x 0.25, I have calculated the base cap,. {1.0 * 0.25 + [0.37 + 1 x 0.1 / 2 + 0.47 * 0.1] on the bottom and bottom formula is multiplied by the divided by two. So how to calculate the foundation beam. Formwork and cushion,: The calculation of the net area on both sides of the formwork. Cushion volume should be very good

Q:The formwork support is a beam template which is connected with both sides of the vertical rod and the force at the bottom of the beam and the force of the vertical wire rod which is arranged below the transverse beam at the bottom of the beam: This option is not available in the design parametersCan only be used in the calculation of the calculation of the book or the program alone: double fastener!

Q:What is the meaning of the steel beam overhead on the top of the beam formwork: Because the carpenter is generally the template will be good, so that there is no reinforcement steel reinforcement

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 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 a large volume template? How much is the cross section of the beam, belonging to the large volume template?: According to the "dangerous method" sub project safety management of the construction quality of [2009]87, the height of more than 5m, the total construction loads greater than 10kN/m2, or the template support system concentrated line load greater than 15kN/m to prepare special construction scheme

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: Building template: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.This paper introduces the construction formwork structure of cast-in-place concrete structure construction, which is mainly composed of three parts: the panel, the supporting structure and the connecting parts. The panel is in direct contact with the bearing plates of concrete; supporting structure is a temporary structure supporting panel, concrete and construction load, ensure the construction template are firmly combined, do not deform and damage; the connecting piece is connected to the panel and the supporting parts of the whole structure.Building formwork is the concrete pouring forming shell and support, according to the nature of the material can be divided into building template, building wood plywood, covered with plastic board, multilayer board, double-sided adhesive, double-sided coated building template. According to the construction process, the construction formwork can be divided into the cast in place concrete formwork, the pre assembled template, the large formwork, the jump formwork and so on.

Q:I only see the span is greater than 4M of the beam arch height is 1/1000~3/1000, if that is 5m, 8m, 12M, 16m and even assuming 20m, the supply is only 1/1000~3/1000????: 4.4.6 on the span of not less than 4m of the beam, the plate, the height of the template arch should be the beam, plate span 1/1000~3/1000.

Q:A set of 50 m T beam steel template weight: Fifty m T beam steel formwork, a complete set of general must contain a set of side beams in the beam half

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