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Open shallow groove buried the grouting construction methods 2.1 construction of the main process of the construction of the main process.
The gouges buried seal groove cleaning and pressure water chemical grout sealing construction process. 2 construction method (1) gouges. According to the crack distribution situation
Conditions, take along cracks toward artificial gouges, the groove depth 3cm, 35cm wide and the length of the gouges cracks on both sides each extend 20cm principle.
(2) borehole and the sealing groove. Cracks gouges rinse, buried along the groove a small hose, and quick-drying cement and sealing material pneumatic accessory
Slot plugging, plugging slowly small hose out, in order to form a grout channel china solenoid valve . The bottom of each slot reserved grouting mouth as grouting hole
The upper every 4050cm reserve grouting mouth as an exhaust hole (plasma) and grouting hole, For longer cracks segmented gouges and buried.
(3) cleaning with pressurized water. When the quick -drying cement and sealing material reaches a certain intensity, the grouting hole cleaning with pressurized water, its purpose is checking
The cracks throughout circumstances, test whether the quality of the sealing meet grouting requirements, master of grout cracks and grouting pressure water pressure control
In 0.050.2MPa appropriate.
(4) plugged. Grouting 2 hours to remove the grout mouth resection grouting pipe above the concrete surface, surface-modified epoxy cement sand
Pulp wipe Resurfacers process.
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