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High strength bolt in foundation reinforcement |
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UpdateTime:[2012/8/24 14:06:14] Hits:[2707] From:TONRY MINING SAFETY SUPPORT TECHNOLOGY CO.,LTD
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With the rapid development of urban construction, many of the early construction of multi-storey buildings and even high-rise buildings for various reasons, must be removed, the basis for the construction of new buildings should encounter various types of piles original architectural legacy. Usually designers often for safety and convenience, abandoned the original pile, re-design of new types of piles. However, in order to avoid the old pile foundation, it will increase the complexity of new pile foundation layout, improve basic processing costs, resulting in a great waste. For existing pile foundation, as long as careful construction, rational use of turning waste into treasure, greatly reduce the project cost and shorten the duration. Take high strength anchor jacked pile foundation reinforcement, and has a very high economic #118alue and efficiency of construction. Strictly enforce safety production rules, adhere to safe and civilized construction, proper safety pre-technical tests.
Operator strict compliance with the personal responsibility, and are familiar with the technical operation of the safety of this type of work.
Prior to the use of all types of machinery and equipment, the safety performance check, the installation of electrical equipment leakage protection device.
Reasonable arrangements process control construction schedule, the good settlement construction process, tilt observation.
5. Piling equipment is scheduled to hand operation, care and maintenance.
To avoid and mitigate the harm produced by piling on the surrounding environment, high-strength bolt to take the following precautions:
(1) control the speed of the piling. That control the number of daily pressure piles, can avoid serious soil squeezing phenomenon and hydrostatic pressure.
(2) select a reasonable order of piling. Adopted the forward piling back protection objects to reduce the pile buried squeeze the soil for the foundation of the original building near.
(3) additional vertical drainage channel. Between the new pressed into the pile with the original rammer Piles buried packed sand, packed sand diameter of 80 mm, spacing of 1.5m, a depth of 10m, the horizontal displacement of the foundation soil to avoid the piling process, resulting in the original pile deviation bit or broken pile.
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