[Tianjin-strong high-pressure pump Co., Ltd. to recommend the star product] high pressure grouting pile foundation reinforcement construction of high pressure slurry pump slurry feed: open the high-pressure pump slowly until all normal slurry feed to the hole, the stable pump pressure and pump the amount of soft ground with a price, and in situ rotation spraying 30 seconds, the slurry can fully meet the bottom of the hole. Gunite rotation Improvement: After confirming stable slurry reaches the bottom of the hole pump pressure, pump volume, and start rotating lifting the nozzle rotation speed control in 18-20r / min, to enhance the speed control in 20-30㎝ / min pier ground handling, in case adjusting the parameters change formation. Take slurry recharge: High jet construction process should be carefully observed changes in the amount of oozing slurry, when the amount of abnormal plasma should take good record and look for reasons, Jet has been completed in time to fill the hole until the pulp slurry surface is no longer under Shen. Acceptance Visa: When the acceptance qualified after the above work is completed before entering the work under a pile of construction. Construction sequence: Churning Pile should pile position surrounding the construction sequence, after the central portion of the hole. [Tianjin-strong high-pressure pump Co., Ltd. to recommend the star product] Churning Pile Note 1. Drill or spin-seat jet aircraft in place the opportunity to have a smooth, vertical or turntable to the holes aligned. 2. strict control of the jet grouting parameters, prevent the pile diameter is too large, the impact caisson sinking. 3. Strict control pile position of each pile height, to prevent excessive road to the top of the pile of soft foundation treatment, resulting in difficult caisson. The high pressure jet grouting equipment before checking whether the normal pipeline system is smooth, joints sealing the cannula and high jet process, pay attention to prevent the nozzle blocked.