L68B1 Mast Section How manygales can the tower crane withstand
Gale weather is a common weather. Many construction sites still require tower crane drivers to continue construction when encountering gale weather, which not only scares the operators, but also may cause serious tower crane accidents.
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The construction site is also required to operate at risk as usual for the reason of short construction period. When there is a strong wind, the operator of the tower crane will feel that the tower crane shakes badly when operating the tower crane. He is very worried about accidents. The tower crane operated by the tower crane driver is more than 20 meters high, and the forearm of the balance arm alone is 46 meters. Because the construction materials of the tower crane are often several tons, the tower crane with poor balance is shaking very badly. A crane driver said: "I'm very worried inside. I'm always afraid that the crane will fall down." , due to the shortage of manpower, some workers without tower crane operation certificate are sometimes allowed to operate the tower crane at the construction site. Because these people are inexperienced and windy, they are more likely to have accidents.
Many tower cranes on the construction site are operating in the "windward" mode. Due to the poor protection measures on many construction sites, the citizens are also afraid of these "giants." if there is such a strong wind, what should be done in case of an accident? "
According to the relevant personnel of the construction safety production supervision station, according to the unified provisions of the tower crane foundation standards and specifications, when the wind force exceeds level 4, the tower crane can work, but if the tower crane is in a non working state, it should be parked along the wind to ensure that the balance arm of the tower crane is not affected by the wind force; and when the wind force exceeds level 6, the tower crane should be stopped to avoid accidents of the balance arm.
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At the same time, it was pointed out that due to the long balance arm of the tower crane, the tower crane itself has been bearing too heavy construction materials, so it is very dangerous to work against the wind by force. Once such a huge tower crane breaks or even collapses, the consequences are unimaginable.
