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Surmount kilometre pump of 31 over-distance pulling pump sends cross Hai Daqiao
From;    Author:Stand originally

In construction of Qingdao bay big bridge, the performance that 31 HBT80C2122 drag pump to send ability and stability in order to exceed strong pump overcame the characteristic of viscosity of sea labour concrete, block muscularity, created the sea to be versed in concrete over-distance pump sends more than 1000 meters record.

Qingdao bay big bridge is maritime space of our country northward chill the first bridge, seawater contains salinity tall, caustic strong, the harm action that freezes be in harmony is put on the ice every year, have to bridge body very big wear away, these raised approximately slashing requirement to concrete quality.

In the process that crosses Hai Daqiao construction, 31 bold innovation, below the circumstance that can draw lessons from without any construction example, put forward to use pull pump remote pump sends and pouring the plan of sea labour concrete. The performance that 31 HBT80C2122 drag pump to send ability and stability in order to exceed strong pump overcame the characteristic of viscosity of sea labour concrete, block muscularity, created the sea to be versed in concrete over-distance pump sends more than 1000 meters record, this still belongs to precedent in home.

Span of Qingdao bay big bridge is big, seawater of beach besmear area is more shallow, must go ahead of the rest builds loading bridge. Train in excess specified length of 31 play pulling pump is apart from the advantage that uninterrupted pump sends, reduced landing stage load, reduced landing stage width, reduced construction cost greatly, be approved construction by square accord.

As we have learned, divide outside pulling pump, bay returns car of condole of active pump car, pedrail, agitate to wait for more than 31 kinds of equipment on building site of big bridge project, among them the car of first selection pump that car of pump of foot of 37 meters of 31 X makes project of bay big bridge.

On September 17, 31 heavy industry are in in smelt metal of bridge of vise general manager in building site of ministry of 14 bureaus project watched iron after 31 pump work, express, the sea is versed in concrete over-distance pump sends new-style the programme of construction to be worth to popularize.

It is reported, qingdao bay big bridge always has invested one billion four hundred and ten million and sixty-five thousand four hundred and eight yuan, qingdao rises east advocate the city zone 308 nations line, span maritime space of bay of rubber administrative division. Its length is next to bay of peaceful wave Hangzhou to cross Hai Daqiao (full-length 36 kilometers) , house home the 2nd, bigger than the East China Sea of Shanghai bridge grew nearly 3 kilometers. Current, 31 equipment are in those who undertake big bridge pier, heavy stage, pillar to irrigate build the job, predict formal 2010 be open to traffic.


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