2016年2月18日星期四

Note the small concrete pump truck construction work

During the construction work in a small concrete pump, particular attention must be carried out in strict accordance with the construction requirements to ensure construction quality. Then the actual construction work we need to pay attention to what areas? Heavy Visa today to introduce you to the following:
1, the use of plug-in concrete vibrator plate vibrator pouring peace. After pouring machine must be vibrated dense, vibration time 15 to 30 seconds to start the pan concrete slurry and non-fizzy prevail. Before the initial setting of concrete, in the casting junction and columns, walls, shaft wall and the bottom surface of the bottom portion of the secondary transfer of the vibration plate vibrator, improve the crack resistance of concrete. After the concrete vibration, surface treated before the initial setting of concrete. Bricklayer class organization after concrete pouring, close the water before the initial setting time, compaction polished wooden mold to close the water closed cracks.
2, according to design requirements to ensure that the basement reinforced protective layer thickness, and definitely not a negative error.
3, after the final setting of concrete should be carried out immediately watering conservation, conservation of time not less than 7 days. During the curing concrete floor keeping the surface layer of protective film of water. Chaimo specimens and structural floor with curing condition.
4, if the use of concrete commercial concrete mixing station. Commercial concrete have plans, timing, location, quantitative to the site.
5, concrete slump detection field measured once per vehicle hand, strict quality control of concrete. Concrete slump error range 2cm, not use substandard concrete, test results should be timely feedback deviation concrete mixing station, timely correction. On-site production of concrete layers 150 * 150 specimens, each class at least one group, a group of not less than every 100m3. Various parts of the floor above but also required an indwelling same curing condition of concrete specimens.
6, strengthen the protection bearing steel construction machinery is prohibited stampede. Let someone bearing steel for amendments. The steel pads with paving, especially bearing foot position reinforcement.

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