Long-distance suspension protection structure for concrete pipeline in foundation pit excavation and construction protection method

The invention discloses a long-distance suspension protection structure for a concrete pipeline in foundation pit excavation and a construction protection method, and belongs to the technical field of pipeline suspension protection. The suspension protection structure comprises suspension girders and fender posts arranged on the two sides of the interior of a foundation pit, group suspension points are distributed on the suspension girders arranged in the pipeline direction at equal intervals, group suspension points are arranged on the suspension girders arranged in the axis direction of the foundation pit, top beams are arranged on the top faces of the fender posts, and the group suspension points are arranged on the top faces of the fender posts. The suspension main beam stretches across a foundation pit and is placed on the top face of the top beam, the two sides of the bottom of the suspension main beam are anchored into the top beam through suspension supports, the portion, between the two fender posts,