Applicable to Large-scale 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 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:Is hanging basket equipment special equipment? Need to record it?
The hanging basket equipment belongs to the special equipment.
Q:Why from the beginning of cantilever beam pouring cantilever end?
Because if the support from the end, that is, the root of the cantilever pouring, the cantilever is the front end of the pouring belt. After pouring pouring belt is bound to produce a bending stress of gravity, it may lead to the first place with a combination of cracks. However, if there is no such a back bend. Of course, the premise is the cantilever part of the template support structure reliability is guaranteed.
Q:Hanging basket construction can bind steel
Hello, this is not a good operation of the construction, he is in the operation, not safe, but not good to do, it is best to normal peacetime best
Q:Is it necessary to measure the strain value after prestressing?
Construction technology of concrete cable-stayed bridge with cast-in-place and precast assembly and other combinations.
Q:What should be paid attention to in the construction of cast in place box girder of long span bridge hanging basket
Main cause:1) no sprinkler health;2) the thermal insulation performance of the template is not good, the temperature difference between inside and outside is too large.
Q:The construction of the hanging basket is not every section of the pre pressure
The first step: the erection of scaffolding - Installation of permanent support and the temporary support ---- ---- ---- preloading die bedding bottom die ----0# block bottom plate and web of steel processing and installation, bottom plate, web plate and vertical prestressed pipe laying, installation of roof - mandrel steel processing, installation, roof pre stress pipe installation (vertical and horizontal). Pouring concrete, curing, 0# block tension lateral steel bundle, sealing anchor, pressure grouting, and on the top of the pier to girder and pier temporary consolidation.
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.
Q:What are the key processes of hanging basket construction
1, Block 0 (support) frame construction;2, bearing and temporary consolidation system construction;3, hanging basket construction;4, concrete pouring construction;5, prestressed construction;6, beam body linear control;7, closure section construction and system conversion.
Q:How to define the construction stage of continuous beam bridge hanging basket construction
Continuous beam Shujing indeterminate structure, can solve the internal force of law

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