Introduction
The single box single cell segmental box girder formwork is a box girder formwork with only one box section and one cell within the box cavity.
It is suitable for small span bridges due to its assembly construction characterization, and also suitable for bridge engineering projects that require a rapid construction pace.
Technical Parameters
Single Box Single Cell Precast Segmental Box girder Formwork | |
Segment width | Maximum width 22m (cell number 1, 2, 3 are available) |
Segment length | Normally no more than 4m |
Material | Q235B, Q355B Steel. |
Standard Configuration | Main truss, walking system, suspension system, bottom support system, formwork system |
Options | 1 set of standard configuration includes 2 bottom formwork, and the bottom molds can be added as needed |
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1. Synchronous construction: The precast of girders can be executed simultaneously with the construction of bridge substructures to reduce construction time.
2. Lightweight Segments and Small Sizes: Easy to transport, and fast in assembly and construction.
3. High Degree of Mechanization: It suits rapid construction on expansive bridges. Precast components do not require tensioning or grouting during the precast process, which accelerates the precast process.
4. Field-made concrete: Quality control is manageable.
5. Significantly reduce post-bridge concrete shrinkage and creep.
6. Suitable for external prestressing, which can reduce the section size of girders and improve material utilization efficiency.
7. Proper Geometry Control enhances the aesthetics of fragmented structures significantly.
Q1. Does the reusability of single box single cell segment box girder formwork have a limit?
Single box single cell segment box girder formwork can be used multiple times, but the number of repetitions depends on the formwork's preservation condition and operational environment . Under ideal circumstances, top-notch templates can be recycled hundreds of times.
Q2. How to maintain the single-box single-cell segment box girder formwork after use?
The dirt and residue on the formwork's surface should be removed, followed by maintenance measures such as oiling and rust prevention to extend its service life.
Q3. What should be considered when transporting and storing single-box single-cell segment box girder formwork?
To prevent damage, violent collisions and squeezing should be avoided. At the same time, a dry and ventilated storage environment should be selected and regular inspections and maintenance should be conducted.
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