Unconventional Rhombic Form Traveller

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UNCONVENTIONAL RHOMBIC FORM TRAVELLER

The front tranverse beam gravity height of unconventional rhombic
form traveller is betwwen the height of rhombic form traveler and
triangular form traveler. Comparing with rhombic form traveler and
triangular form traveler, it has the advantages of low gravity height,
more operational space than triangular form traveler, easy operation,
safety during walking and firm anchorage, etc..

● 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:Are there any hanging baskets on both sides of the hanging beam 0
Down to the basket pre pressure, that is, 1# block, in the continuous beam hanging basket in addition to 0# block 1# is the heaviest
Q:This paper puts forward the quality control points and methods of hanging basket continuous casting box girder
The key points of quality control: 1, hanging basket template (including the bottom mold and the side mold) elevation 2, hanging basket preloading ensuring the load quantity; 3, the hanging basket forward, need special attention, when the cradle walking the preparatory work before the improvement, check again walking and walking condition of anchor beam connection rod the bottom, hanging point should adopt steel wedge pad, and ensure the stability of suspension;
Q:How does the prestressed tensioning in the construction of the bridge hanging basket?
The post tensioned prestressed precast box girder is prefabricated by a prefabricated field or a prefabricated factory, and then transported to the site erection; (2) the post tensioned prestressed cast-in-place box girder is directly poured into the box girder and the prestressed tension on the bridge. Cast in situ prestressed box girder, according to the support structure is different, the full frame pouring box beam and hanging basket construction pouring box beam. The hanging basket construction is the use of suspension facilities, segmental mold hanging and binding steel corrugated pipe, installation, concrete pouring, wearing steel strand, stretching and grouting, the completion of a segmental box girder, a segmental box girder, until the completion of the entire construction segment.
Q:Technical requirements for hanging baskets
Two pier top 0 block bracket construction, the various parts of the welding quality of key inspection.
Q:Car hanging basket, green, yellow different license, according to what standard hang
Large civilian vehicles: Yellow black;Small civilian vehicles: blue and white;Public security vehicles: white black word, there are red police words;
Q:Construction technology of hanging basket construction:
The construction of a steel cable-stayed bridge, most of the factory welding process, transported to the site, with the crane as a whole lifting, or block lifting, in place after the formation of high-strength bolts.Two construction of concrete cable-stayed bridge with cast-in-place and precast assembly and other combinations of construction technology. 1 the installation elevation of the hanging basket should be in strict accordance with the designed value.
Q:Hanging basket assembly quality control point
The composition of the basketHanging basket bearing system, bottom formwork system, side formwork system (inside and outside), walking system, rear anchorage system. A hanging basket is made up of two triangles, each of which bears the weight of the beam. Taking into account the processing capacity of the construction site, the main beam, the sliding beam, the upper beam and so did not use a reasonable truss structure, and the use of steel structure.
Q:What should be paid attention to in the construction of cast in place box girder of long span bridge hanging basket
Preventive measures: with good insulation performance wood template (preferably professional manufacturers), have a certain thickness and stiffness of the template surface to be coated with special treatment, release agent, to ensure the quality of cast-in-place concrete.The contents of the above are based on the actual work of the students to meet the problem of finishing, for reference, if there is a problem, please timely communication.
Q:What is hanging basket construction
When the concrete reaches the specified strength, the tensioning prestress steel beam, and then move the hanging basket to the next section of the cycle operation until the closure of the construction method.
Q:Is hanging basket equipment special equipment? Need to record it?
Special equipment regulations on safety supervision of special equipment is the safety of life, the risk of large boilers, air compressor and the air storage tank, tunnel construction hoisting machinery (construction elevator, tyre crane, crawler crane, gantry crane, tower crane, bridge machine), hanging basket construction equipment etc..

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