PROBLEM TO BE SOLVED: To provide a method for effectively correcting the sinking of a pillow slab on which the end portions of adjacent concrete slabs are placed in a short time. SOLUTION: The pillow plate is filled with an expandable resin and expanded. [Selection diagram] Fig. 2松藤 展...
Or start breaking out the slab enough to see what is the condition of soil below the area of settlement. If it's not a structural threat it's not so urgent; don't trip on the cracks; See CONCRETE SLAB CRACK EVALUATION for more detailed guidance on slab crack diagnosis and repair. ...
The present invention discloses a method of pre-tensioned prestressed concrete U-shaped sheet pile pile method comprising the steps of: determining row pile centerline and calibration center position of each sheet pile; set steel guide frame; a pair of temporary support steel piles, steel guide ...
Device for sinking threaded bushes or the like into a slab of concrete cast horizontally, characterised in that the threaded bush 3-4-5 is held by a bar 6 fixed, via at least one of its ends, against the inner face of the standard straightedge 2 forming the border of the mould ...