In the construction of cast-in-place section of side span of continuous rigid frame bridge, traditional construction methods such as landing support method and steel pipe column method are adopted. When the height of ...In the construction of cast-in-place section of side span of continuous rigid frame bridge, traditional construction methods such as landing support method and steel pipe column method are adopted. When the height of side pier is high, it is difficult, dangerous and uneconomical to cast-in-place construction with ordinary support, and the elastic deformation of support is too large to guarantee the concrete pouring quality of side span cast-in-place section. The steel pipe column method also has some construction problems such as difficult foundation treatment and difficult mechanical installation. After repeated discussion, this problem can be solved by using the cantilever support of the erected beam section of the approach bridge for construction. In the construction of cast-in-place section of continuous rigid frame bridge beam side span, the bracket method is generally adopted, which is difficult, dangerous and uneconomical in the case of high piers. This problem can be solved by using the cantilever bracket erected at the erected beam section of the approach bridge for construction.展开更多
文摘In the construction of cast-in-place section of side span of continuous rigid frame bridge, traditional construction methods such as landing support method and steel pipe column method are adopted. When the height of side pier is high, it is difficult, dangerous and uneconomical to cast-in-place construction with ordinary support, and the elastic deformation of support is too large to guarantee the concrete pouring quality of side span cast-in-place section. The steel pipe column method also has some construction problems such as difficult foundation treatment and difficult mechanical installation. After repeated discussion, this problem can be solved by using the cantilever support of the erected beam section of the approach bridge for construction. In the construction of cast-in-place section of continuous rigid frame bridge beam side span, the bracket method is generally adopted, which is difficult, dangerous and uneconomical in the case of high piers. This problem can be solved by using the cantilever bracket erected at the erected beam section of the approach bridge for construction.
