120ton MRT bridge u beam girder erection beam launcher machine

Product Description

120ton MRT bridge u beam girder erection beam launcher machine is used in the erection of precast beam bridges for span by span method of construction for precast beam girders like T beam, U beam, etc. This self-beam launcher is suitable for bridge construction over river, valley or highway and so on. 

120ton MRT bridge u beam girder erection beam launcher machine is suitable for the construction of bridge for roads, railways and other bridge erection construction site. Its main function is to lift the prefabricated beams, then transported onto the prefabricated pier. It has big difference from the general cranes. It requests high security. 

 

Packing & Delivery

Packing 
1. Electric parts are packed by high quality plywood crate, to reduce distortion in conveying; 
2. Main beams, end beams and electric hoist are packed by plastic woven cloth. It can reduce abrasion when transport.

 

Delivery 
1.If the size of 120ton MRT bridge u beam girder erection beam launcher machine are suitable for container ship, usually by container;
2.If the size is too big, usually by bulk ship or by container after truncation; Transport ways are based on reducing cost for you and keep the crane performance.

 

Delivery time 
Within 30 to 40 working days after the receipt of deposit.

 

Transportation 
Generally 35 days to 50 days to destination port.

FAQ

1.What’s the information should I provide when inquiry about the beam launcher? 
1.1 We need the Bridge Drawing;the Maximum longitudinal slope and the Maximum Transverse slope; 
1.2 The Girder/beam drawing;                                            
2.What are inspection standard for load test of 120ton MRT bridge u beam girder erection beam launcher machine?
2.1. Dynamic load test
1.1 times rated load, main girder does not down deflection, all mechanisms work well, performance parameters meet the design demand, all limit switches and safety protection interlock devices are reliable, all spare parts does not have cracking and flexible connection, all motors and contactors are not overheat. 
2.2. Static load test 
1.25times rated load, all mechanisms work well, the crane stops 20-30min as trial load is lifted 10cm high, then measure main girder down deflection(theodolite, ruler). Put down trial load to measure main girder upper camber, repeat 3 times, steel structure does not have permanent deformation; 
3.How to make highway bridge concrete girders? 
a. Full span prefabrication, 
b. Segment girder prefabrication 
c. Full span cast-in-place girder 
d. Segment cast-in-situ 




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