Demolition Construction Technology for Crossing Existing Expressways
According to the current development process of modern transportation industry,the demand for the abolition of new construction,expansion and beautification of most prestressed reinforced concrete structures continues to grow.The demolition or reconstruction of prestressed reinforced concrete structures adopts conservative construction methods and equipment,and has the characteristics of complex construction conditions,high safety risks,difficulty in external coordination,and low profits.Moreover,construction management must comply with local laws and regulations,the latest standards,and environmental and water protection requirements.Therefore,there is an urgent need for new technologies to solve various difficulties encountered in the abolition of prestressed reinforced concrete structures.