Form Traveler
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Products Introduction & Application:
Form traveler is the major equipment used in cantilever construction. The product we developed is consist of main girder system, traveling system, anchor system, bottom basket system, suspension system, platform & protection system, formwork system, hydraulic system(optional) and so on. All the parts are self-contained, interdependent and interrelated, already awarded over 20 authorized patents.
In order to improve universality and utilization, reduce purchasing cost, and enhance security & reliability, we provide the series service of “designing, detecting, renting and constructing form traveler service as well as technical assistance & training.” Today 800 T-structure form travelers can be provided for renting service.
Projects:
- Q: Characteristics of the hanging basket
- Single total weight of 56.6 tons (excluding side die, die), can be poured a span of 4 meters, weight of 125 tons of reinforced concrete box girder. The hanging basket is manufactured in the factory, and the pre pressure is installed on the site. After checking the safety of the hanging basket and detecting the deflection of the guide beam, the formwork of the box girder, the binding steel bar, the installation of the corrugated pipe and the pouring concrete can be set up. After pouring a pair of beam sections, the prestressed concrete is fixed, and then the hanging basket is moved forward, and the pouring of the next section of the box beam is carried out until the end of the cantilever end.
- Q: The definition of hanging basket construction, historical background
- Construction craft: 1 hanging basket hanging void, at this point the anti force downward force to the hanging beam hanging basket, hanging basket and the longitudinal beams under negative bending moment. 2 hanging basket forward, hanging basket still bear negative moment, a single arm state. 3 hanging basket beam lifting, after anchorage anchorage, the hanging basket is in place, after the anti point elevation roughly leveling, set preraised height. The 4 cable is connected with the hanging basket, and the first cable tension is carried out, and the front pivot point of the hanging basket is stressed. 5 to the 1/2 beam section for the second cable tension. When the concrete beam of the 6 section is completely cross section, the elasticity of the end of the basket is less than the specified value. 7 detect the beam elevation, the concrete strength to reach the tension of prestressed beam. 8 hanging basket to be moved forward.
- Q: What are the innovative points of hanging basket construction
- 4 continuously change the height of the hanging basket in the process of concrete pouring;5 the quality of the installation of the prestressed channel, unobstructed inspection and plugging treatment;6 the vibration of concrete should meet the requirements of construction technology, it is appropriate to use high-frequency attachment vibrator with vibration;7 the temperature and air content of concrete in mold meet the design requirements;8 test specimens of concrete strength and elastic modulus.
- Q: Construction scheme of hanging basket
- The prestress design is three - direction prestressing force: 27 beams and j15.24 beams are used in the longitudinal direction, and the steel strand is used in the transverse direction of the beam, and the diameter of the steel strand is four strands of jl5.24. Tension control shall be 0.75Ryb. E2 standard for half of North Main Bridge, China Railway Bureau of the nineteenth project construction, according to the characteristics of the bridge with reference to domestic and foreign existing various types of hanging basket, main equipment selection as the diamond truss type cantilever hanging basket. The hanging plate design for railway construction design institute affiliated group corporation, has been applied to domestic Xuanzhun continuous beam construction, but the application in large span bridge construction that is the first time.
- Q: Hanging basket construction continuous beam, the adjacent fast is how to connect, such as Block 0 and block No. 1
- 4, pouring the whole section of the next section, until the strength of more than 80% after the design, before and after the left and right sides of the steel cable.5, in the long hole bellows (such as 1# to 0# to 1 "# long hole grouting filling) within reach the design strength, namely two adjacent segments after connection.6, 2# segment connection (2 ', 1 #' #, 0# block, 1#, 2# in steel wire connection).7, 3# segment connection (3 ', 2', 1 # # '#, 0# block, 1#, 2#, 3# in steel wire connection). The remaining segments are, in turn, connected like strings of pearls.
- Q: How does the prestressed tensioning in the construction of the bridge hanging basket?
- Simple introduction of hanging basket construction:1 steel cable-stayed bridge construction, most of the factory welding, transported to the site, with the crane as a whole lifting, or block lifting, in place after the formation of high-strength bolts.2 construction of concrete cable-stayed bridge with cast-in-place and precast assembly and other combinations of construction technology.
- Q: Hanging basket construction 0# block which is, can provide a schematic?
- Because hanging blue is anchored in the pouring stage and then pouring the next paragraph, so the top of the pier to be poured 0# block, hanging blue can be installed. The 0# block is to be erected to support pouring. The 0# block is shaped like a T font.
- Q: Operating rules for hanging baskets
- So, the side mould and a bottom mould to C1 when pouring a section, must be timely with tie rod or wall screws tightened, so that the template to form a whole does not shake: D1 bottom die steel and web reinforcement binding, to the timely installation of the web and the side template and the core module; e, Rui should die placed in the basket of small beam, front pull rod adjust the height, after the port has been pouring the concrete rod and tighten connection; F1 die and die outside the inner web and fixed, must adopt two layer D12 to pull screw spacing can be adjusted, in the horizontal direction every 60 cm set a fastening; G1 two is used by the web, 16 of the pulling screws are adjusted, which has been pouring concrete firmly locked on the web o
- 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: I would like to know that each piece of the construction of the hanging basket is connected by way of the whole as a whole, I always think of each section is a section of tension.As you said, the steel strand is the length of the whole beam, but how to form the whole concrete?
- The segments are tensioned, but many of the prestressing tendons are common, or through several segments
Send your message to us
Form Traveler
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- -
- Supply Capability:
- -
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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