Muck modifier guaranteeing smooth tunneling of shield tunneling machine
A technology of muck soil improvement and shield machine, which is applied in the direction of organic fertilizers, building structures, soil conditioning materials, etc. It can solve the problems that the tool cannot cut the soil in front, tool wear, and shutdown, so as to shorten the construction period and ensure safe operation. , cost reduction effect
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Embodiment 1
[0010] A slag modifier for ensuring the smooth excavation of a shield machine, the slag modifier is composed of sodium-based bentonite slurry, foam solution and shield slurry making agent; the mass parts are 30 parts of sodium-based bentonite slurry, foam solution 60 parts, 0.7 parts of high molecular polymer and 4 parts of shield slurrying agent;
[0011] The sodium-based bentonite slurry is composed of sodium-based bentonite and water, and its mass parts are 50 parts of sodium-based bentonite and 92 parts of water; its consistency is 80s;
[0012] The foam solution is composed of foam puree and water, and its mass parts are respectively 1 part of foam puree and 97 parts of water;
[0013] High-molecular polymer (a hydrophilic substance that becomes viscous after dilution, the purchased finished product, the manufacturer is Bafus in Jining or Hedongshuang in Beijing, etc.), composed of high-molecular polymer and water, its quality The parts are respectively 5 parts of high m...
Embodiment 2
[0015] A slag improving agent for ensuring the smooth excavation of a shield machine, the slag improving agent is composed of sodium bentonite slurry, foam solution and shield grouting agent; the parts by mass are 1 part of sodium bentonite slurry, foam solution 50 parts, 0.5 parts of high molecular polymer and 3 parts of shield slurrying agent;
[0016] The sodium-based bentonite slurry is composed of sodium-based bentonite and water, and its mass parts are 40 parts of sodium-based bentonite and 90 parts of water; its consistency is 60s;
[0017] The foam solution is composed of foam puree and water, and its mass parts are respectively 0.5 parts of foam puree and 95 parts of water;
[0018] The high-molecular polymer is composed of high-molecular polymer and water, and its mass parts are respectively 10 parts of high-molecular polymer and 1000 parts of water.
Embodiment 3
[0020] A slag modifier for ensuring the smooth excavation of a shield machine, the slag modifier is composed of sodium-based bentonite slurry, foam solution and shield grouting agent; the parts by mass are 60 parts of sodium-based bentonite slurry, foam solution 70 parts, 1 part of high molecular polymer and 5 parts of shield slurrying agent;
[0021] The sodium bentonite slurry is composed of sodium bentonite and water, and its mass parts are 55 parts of sodium bentonite and 95 parts of water; its consistency is 100s;
[0022] The foam solution is composed of foam puree and water, and its mass parts are respectively 1.5 parts of foam puree and 100 parts of water;
[0023] The high molecular polymer is composed of high molecular polymer and water, and its mass parts are respectively 3 parts of high molecular polymer and 900 parts of water.
[0024] The muck improver that ensures the smooth excavation of the shield machine is fully mixed at room temperature, and then distribut...
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