Simple Structure Rhombic Form Traveller

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RHOMBIC FORM TRAVELLER

The rhombic form traveller has the advantages of simple structure, clear
stress, big operational space under the main frame, and easy installation
and removal, etc..
The form traveller adopts wheels with bearing while rolling forward which
reduce the frictional resistance greatly during movement; At the same
time, the stainless steel paltes are welded on the rails which reduced
the frictional resistance bewwen the sliding bearing and the rails during
movement. The combination of these reduce the movement cycle of the
form traveler by simple and convinient operation.
In terms of safety, the form traveler is equiped with walking protection
system which guarantee the absolute safety during working. It’s safe, easy
and practical.

● Low gravity of front trancerse beam

● Applicable to large-scale stay-cable cantilever casting bridge with wide bridge deck

● Safe & easy operation, easy fixing, and safty during walking

● Big operational space under the main frame, and easy installation and removal

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Q:What's the meaning of the main truss in the basket?
H ngTi o stringer[purlin] frame in the gable roof or to support the roof rafters or bars. Also known as "linzi"
Q:Construction of hanging basket. Pouring concrete and new concrete, how to achieve good adhesion
After the completion of the completion of each block of concrete to meet the requirements of the standard strength, timely butt joint surface of the hair, the quality of the hair in strict accordance with the requirements of the specification control. In the next section of concrete pouring, the surface of the right amount of water to wet, to prevent the concrete joint out of dry shrinkage cracks.
Q:What are the innovative points of hanging basket construction
Management points:1 the concrete pouring on both sides of the beam should be symmetrical and balanced, and the unbalanced construction load should not be greater than the allowable value;2 concrete should be rapid, continuous construction, in the first pouring of concrete before the first pouring all completed;3 the bottom plate, the web and the roof are symmetrically layered, and the layer thickness should not be greater than 30cm;
Q:Hanging basket assembly quality control point
The hanging basket according to the different structures and stress characteristics, divided into parallel truss basket bowstring, hanging basket, triangle hanging basket and basket, mainly in the following triangle hanging basket as an example.
Q:Construction of extra large bridge
Install side span closure section, installation of hanging mold closure segment skeleton, formwork, steel banding, installation of prestressed pipe and the core concrete pouring, side span closure segment and maintenance - tension closure segment longitudinal, transverse and vertical prestressed grouting, removing the side line and cross - - side span closure segment construction support the landing gear box girder.
Q:Continuous beam cantilever hanging perfusion, the most reasonable construction period is how long
How many blocks are designed, and the span is cast with a cantilever? Symmetrical pouring, an average of 4 days a piece of it, the two sets of hanging baskets, Block 0 to see your ability to design their own bar
Q:Vertical embedding of hanging basket
Reinforcement and reserved holeIn the hanging basket after the anchor system of the embedded 32 finish rolling screws must be kept vertical, strict inspection in the management, so that the same axis
Q:The post tensioned prestressed anchorage of suspension bridge can be reused?
Obviously not, after a method is used to anchor the pre-stressed anchorage prestressed reinforcement
Q:The definition of hanging basket construction, historical background
With the development of material science and computer science, a lot of cable-stayed bridges have been built at home and abroad since the Stromsun bridge in 1956 started the apex of modern cable-stayed bridge. The cable-stayed bridge has been developed rapidly because of its advantages such as large span, good structural performance, simple construction, easy maintenance, low cost and attractive appearance.
Q:Can the vertical prestress of the hanging basket be tensioned after the subsequent section construction?
Prestressed concrete structure, before the load in advance, put pressure on it, in the external load when the concrete tensile stress compressive stress produced in order to offset or reduce the load due to the tensile stress, the structure used in the normal circumstances does not crack or crack late.

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