Under-slung launching gantry

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Product Description:

Under-slung launchinggantry

Theloading-bearing main girder system is situated under the bridge, and outsidemould system sits on the loading-bearing main girder. The main girder systemsits on the platform by outrigger, which are anchored on the pier by the highprecision rolling thread steel. Outside mould template opens with the maingirder transversely or opens transversely singly to avoid the pier whilepassing through the hole. The outrigger can perform an auto forward flip or bythe auxiliary crane. Outside mould system can move longitudinally with maingirder. Its clearance under bridge is large and the height of the bridge pieris generally more than 4m, which has a stronger adaptability for high piers.

Performance and parameters

Applicable spanand girder weight 40m/1300t

Applicable heightof the bridge pier: 4m

Applicablelongitudinal gradient: 4%

Applicable curveradius: 1000m


Compared with:


Up-slung launching gantry


1) Double main girder andtwo-span structure, more secure, faster. Applicable to the low pier andclearance under bridge is not demanded. Simple construction, needless todismantle the main girder and outside mould parts;

2) Outside mould system opens and closes transversely,original design and ingenious conception;

3) Transverse movement and hoisting is propelled bythe power, easily and fast;

4) Lifting and opening, closing are controlled by thehydraulic pressure, with steady movement which is secure and reliable. Reducethe labor intensity and upgrade the construction efficiency;

5) All the legs can pass through the wholeautomatically and erect, reducing the investment of auxiliary equipments,reducing the construction cost.

Performance and parameters

Applicable longitudinal gradient: 2.0%
Applicable curve radius:
≥1500m
Requirements for environment wind pressure:

Maximum allowable wind pressure during shifting: 150N/

Maximum allowable wind pressure during casting: 800N/㎡ ( or to be anchored)
Total power by using the whole machine:About 95kw
Kinetic condition: 4Ac, 380v, 50Hz
Hydraulic system pressure: 32Mpa
Shift speed: 0-1.5m/min
Deflection of main girder: Less than L/700( only considering the deflectioncaused by the concrete loading and internal mould weight)

Via Hole Stability Factor: k>1.5
Transportation condition: meet the limits of railway and highwaytransportation.
Unit Weight: About 530t (without separated mould situated in the support)
Construction cycle: 10 days/span






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Q:What's the level of the construction machinery in China?
Cement pump car 31 to be the world's first, excavators or Komatsu and Caterpillar is good to sell, loaders, Liugong has gone beyond these two, and high-end engineering equipment is still foreign advantage.
Q:how to calculate the first five months depreciation on machinery?
While the machinery has a ten year life, it will only be used for eight years and then become abandoned. So we first do $512,500 - $0 and then divide by 8 years to get $64,062.50. That's how much depriciation the machinery accumulates per year. Since we're looking for the first five months of accumulated depreciation, we take $64,062.50 and multiply it by (5/12) months. That comes out to $26,692.71.
Q:Machinery Question regarding temperature?
Sheer deformation of the tool is negligible, therefore the deformation work converted into heat is very low. Excessive cutting speed will easily and quickly overheat the tool tip and may ruin its geometry and/or structure, depending on the tool material (hard metal or ceramic).
Q:Cost of construction machinery use fee
Repairs: refers to construction machinery in accordance with the provisions of the repair interval shift necessary repair, to restore the normal function of the cost. Shift repairs (= a repairs overhaul X times) the total number of classes often 83019 durable repairs: refers to all levels of construction machinery repair maintenance in addition to outside and temporary troubleshooting costs.
Q:Bechtel Machinery stock currently sells for $65 per share. The market requires a 14 percent return on the firm?
Stock Price = Next Div / Rate of Return - Growth Rate, or 65 = Next Div / 14% - 8%; and 65 = ND / 6%; so 65 x 6% = Next Div, and ND = 3.90. Most recent dividend x 1.08 = Next Div, so MRD = 3.90 / 1.08, or MRD = 3.61
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Q:Building and construction machinery?
If you purchase new equipment the new equipment will come with a warranty.You would have to take an expert mechanic with you when you look at used equipment.You would also have to know your district's laws.Some crane types might be illegal in your district.If someone tries to sell you an illegal machine you would have to take the appropriate legal measures.
Q:manufacturing machinery for small businesses?
You need to do a simple cost benefit analysis to see if a big machine is worth the cost. I will almost guarantee you that a small business cannot justify the purchase. That's why small businesses do everything by hand. The automated machines you see are typically custom made machines from specialty manufacturer's. You can find some on the web fairly easily.
Q:Where do I find out the price of used machinery...?
You would need to contact a special assets appraiser in order for you to find out the cost of each machine.
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Reuben okorder.com/

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