Applicable to Large-scale Rhombic Form Traveller

Applicable to Large-scale Rhombic Form Traveller

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RHOMBIC FORM TRAVELLER

Brief Introduction

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.

Advantage

● 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

Q: Construction of extra large bridge: Demolition of the main pier consolidation, temporary support - drop beam - pouring back wall concrete ---- the demolition of the whole bridge construction load - bridge and railing construction, installation of ancillary facilities - full bridge.

Q: Cantilever pouring construction should pay attention to what: The main equipment of the cantilever method is a pair of walking hanging basket, pull anchor in Zhang and pier has connected mobile beam on the whole hanging basket, lashing reinforcement, formwork, pouring concrete, prestress are carried out on the. After the completion of the construction of this section, the hanging basket symmetrical move forward a section, the next pair of beam section construction, in advance, until the cantilever beam section pouring completed.

Q: Construction scheme of hanging basket: The construction scheme of rhombic truss type hanging basket: a brief introduction of the main structure of the main bridge of the North Branch bridge of Nanjing Second Yangtze River Bridge is 90+3*l65+90 (m) of the five span prestressed concrete continuous box girder. The main span of 165m is the first in the same type of bridge in china. According to the design requirements, the construction method needs to use cantilever pouring construction technology and then through the closure and system conversion into continuous beam

Q: Hanging basket construction can bind steel: At the intersection of steel, the application of 0.7~2.0 mm wire, according to figure 8 staggered or cruciform manner by butting, butting

Q: The effect of hanging basket: Won a good corporate image and reputation. At the same time, this paper summarizes the experience in the construction and management of the hanging basket, which lays a good foundation for improving the construction quality and management level.

Q: Do the Populations Of the Countries of the world really believe that all Americans are Pompous, Arrogant, loud, and demanding, because of the personalities of SOME of those who travel the world. Perhaps some of your opinions are formed because of trips you have made to the States, too. Were you treated rudely while visiting here? Does the Media in your country Help form your opinion of us, or perhaps the Media from our country, that you may have seen. It seems that World opinion of Americans is pretty poor these days, and I am concerned about that. Most of us are pretty good , And some of us are not, just like any other country. I am just wondering about your thoughts.: Americans USED to be much better hosts then guests. Now we are pretty much crap at each side.

Q: Summary of the hanging basket construction: 2 the girder structure system of the main girder structure system can be divided into four different systems according to the combination of the girder tower and the cable tower:Floating system: Tower Pier tower girder girder consolidation, separation, in addition to support at both ends, all the rest of the cable suspended, this system does not provide effective support for the transverse beam, to the temperature shrinkage and creep force structure, the cross section deformation and internal force changes smoothly, uniform stress, but must be in the cantilever construction in the tower at the temporary consolidation.Support system: Tower Pier tower girder girder consolidation, separation, set the vertical support in the tower, a three span continuous beam or cantilever beam with elastic support, the latter is in a cross hinge or a hanging hole, a hanging hole to a certain length, in order to avoid the side load, resulting in hanging hole excessive tilt.Tower beam consolidation system: the tower beam is fixed and supported on the pier, the stay cable is an elastic support, which can be used for continuous beam or cantilever beam.Rigid frame system: the beam pier is mutually consolidated to form a rigid structure with multi point elastic supports.3 overview of cable-stayed bridge construction process: the construction of cable-stayed bridge erection method in general there are three common methods: support method, push method and cantilever construction method. The first two methods used in the early construction of cable-stayed bridge, the cable-stayed bridge grew up in modern, especially from the tower to the cantilever construction on both sides of the multi span cable-stayed bridge with missile, inclined cable segment support.

Q: When hanging blue construction, middle span closure, why must the counterweight: According to the previous design experience, the weight of the hanging basket is generally designed to load the 1/4 ~ 1/2, so the existence of the hanging basket will affect the internal force, linear.

Q: Construction process of hanging basket: In the construction of the bridge, the construction of the beam (usually continuous beam) is from the pier symmetrically to both sides. The utility model relates to a device which is arranged at the end part of the support and is used for fixing the beam template.

Q: How to deal with the cracks in the box girder: Your cantilever cast-in-place box girder is not prestressed construction.Need to identify the type of crack, if it is hot up cracks or superficial expansion cracks, the depth of not more than 2mm, not to the vertical and horizontal direction of development is not related, you can not deal with.

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