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Bridge expansion joint construction attention

author: Jianfeng Engineering from: ԭ date: 2017/9/3 9:00:00 hit: 7529
Tips: Bridge expansion joint construction attentionThe use of air compressor with artificial expansion joi...

Bridge expansion joint construction attention

The use of air compressor with artificial expansion joints of asphalt pavement and concrete temporary hardening were removed and clean, and the use of air compressor with artificial notch on the expansion joint of asphalt pavement and concrete temporary hardening were removed and clean, the surface of the concrete cutting hair, the use of air compressor pipe blowing slag powder; the surface of the concrete cutting hair, the use of air compressor pipe blowing slag powder; and other sundries clip between Liang Tifeng to clean up the guarantee of the beam. The gap between the outer layer of pavement on attention to take protective measures to eliminate and prohibit destruction, the guarantee of the beam between the gap.

A good cleaning groove and the beam of debris, first check the embedded tendons in good condition, such as deformation to straightening, making it one of the Qing good groove and the beam of debris, first check the embedded tendons in good condition, such as deformation should be straightened, and the exact form; if there is flaw and crushed, it must be planted, planting in accordance with the direction of the anchor bolt joints, and the form is accurate; if there are missing and damaged, it must be planted, planting in accordance with the direction of the anchor bolt joints, bolts and joints to ensure the anchor bolt has good welding stress and ensure anchorage. 

filler joint

  

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