Blasting and dismantling special local protecting method of building
A technology of building and protection method, applied in the field of blasting demolition of buildings, can solve problems such as restricting the development and application of blasting demolition technology, affecting normal production and life in cities, and increasing project costs, so as to avoid casualties and property losses, eliminate The effect of flying rocks on the ground and speeding up urban construction
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Embodiment 1
[0021] Example 1 Carry out directional dumping blasting demolition of a brick cylindrical structure. First, according to the blasting incision 3, collapse mode, and collapse range designed for the demolition of brick-built cylindrical structures, the special parts 6 and their collapse contact points 7 are determined; then, according to the blasting design, conventional methods and equipment are used to drill holes , carry out blasting charge, block the blast holes, and connect the detonation network; then, bind or hang flexible materials 4 on the upper edge of the blasting incision 3 of the brick cylindrical structure and the top of the structure, such as multi-layer sacks, multi-layer palm mats, multi-layer Layer quilts, etc., or lay soft materials 5 on the ground 2 at the corresponding collapsed touch points 7, such as sacks filled with sand, straw bags filled with sand, multi-layer brown mats, multi-layer quilts, or both Bind or hang flexible material 4 on the upper edge of...
Embodiment 2
[0022] In Example 2, the directional dumping blasting demolition of the shear wall structure was carried out. First, according to the blasting cutout 3, collapse mode, and collapse range designed for the directional dumping blasting demolition of the shear wall structure, the upper edge of the blasting cutout 3 is determined to be the special part 6 and its collapse contact point 7; then, according to the blasting design, Use conventional methods and equipment to drill holes in the concrete wall, carry out blasting charges, block the blast hole, and connect the detonation network; then, bind or hang flexible material 4 on the upper edge of the blasting cut 3, and the flexible material 4 can be multi-layer sacks, Multi-layer brown mats, multi-layer quilts, etc., or lay soft materials 5 at the corresponding collapsed touch points 7 on the ground 2, such as sacks filled with sand, straw bags filled with sand, multi-layer brown mats, multi-layer mats, etc. Layer quilts, or bind or...
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