Method for installing prefabricated pier column component of prefabricated bridge

Abstract

The invention discloses a method for installing a prefabricated pier column component of a prefabricated bridge. The prefabricated pier column is correctly assembled and placed on a bearing platform which is poured in advance, and pier column bed mortar is arranged between the prefabricated pier column and the bearing platform. The method includes the steps that before the prefabricated pier column takes its place, a butt joint mark is marked; according to the marked height, a center cushion block is placed; after the prefabricated pier column hung is inserted into a reserved rebar on the bearing platform, the butt joint marks are aligned one by one; jacks for adjustment are placed, and a crane unloads force and lowers the prefabricated pier column to the center cushion block; the perpendicularity of the prefabricated pier column is adjusted by the jacks until meeting design demands, the jacks are locked, and piston stroke and the thickness of the pier column bed mortar are recorded; the prefabricated pier column is lifted away; a grouting template for preparing the pier column bed mortar is installed on the bearing platform, a grouting material is prepared based on the measured data of the thickness of the pier column bed mortar, and the pier column bed mortar is grouted and formally takes place; then the crane lowers the prefabricated pier column, the prefabricated pier column is in the right place, the jacks are locked, mortar is grouted for maintenance through grouting holes, and installation is completed.

Description

technical field [0001] The invention relates to the field of construction engineering, in particular to a method for installing prefabricated pier column components of an assembled bridge. Background technique [0002] With the popularization of prefabricated assembly construction technology in the construction of urban bridges or pier columns, the steel sleeve grouting connection technology has gradually been applied in the vertical connection of prefabricated concrete components such as prefabricated pier columns and prefabricated cap beams. However, the prefabricated pier column (ie, pier column) using the steel sleeve grouting connection technology has not been widely used in practice due to the complexity of its assembly construction process and high precision requirements. In the prefabricated assembly process of traditional building construction, the splicing and positioning between prefabricated components can be precisely controlled by the method of axis positioning...

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to overcome the deficiencies in the prior art. The purpose is to provide a method for installing prefabricated bridge pier components, which solves the problem that the existing prefabricated bridge pier cannot accurately control the splicing and positioning of the prefabricated pier and the prefabricated pier The problem of the control of column installation elevation

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