It is a grout suitable for ground reinforcement, void filling, and water stopping that requires permanent strength.
▼Ground Reinforcement By utilizing the significant strength of the solidified body obtained through vein injection, we aim to strengthen the ground and prevent ground deformation (selection of injection agents that require strength in the solidified body). ▼Void Filling We fill the voids created by groundwater or ground deformation to prevent ground subsidence (selection of injection agents with permanence). ▼Water Stopping By filling the cracks and voids between soil particles in the ground that serve as water pathways, we form a water barrier, reducing the permeability of the ground to achieve water stopping and water reduction, thus preventing sediment flow and inability to retain water caused by groundwater. The homogel permeability coefficient is approximately 10^-6 (cm/s), allowing for the formation of a nearly impermeable water barrier (selection of injection agents that harden quickly). 【Features】 ■ Compared to general cement milk, there is almost no bleeding. ■ The initial strength development after gelation is good. ■ Hardening agents and accelerators do not react with water to harden, making them easy to handle. ■ Hardening agents and accelerators are common for quick setting and medium setting (1 minute). By using additional additives, it is possible to set a gel time of more than 3 minutes. Additionally, the use of additives allows for the use of seawater in the mixing water.
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basic information
▼Packaging Hardener SE2: 20kg in a plastic bag Accelerator: 12kg in a plastic bag Adjusting agent: 18kg in a cardboard box with a plastic liner ▼Construction Method Using a double-pipe rod, boreholes are made to the improvement depth with a boring machine. After drilling is completed, a two-component equal-volume pump is used to switch from water to the injection material for injection. A vein-like improved body is formed within the ground, which compacts the surrounding soil, increases liquefaction resistance, and strengthens the ground. ▼Application of the Interim Guidelines "SELECTOR" is a cement milk coagulation hardening accelerator based on cement and does not use water glass, thus it does not fall under the category of chemical injection agents and is not subject to the application of the "Interim Guidelines." However, if there are nearby wells or facilities utilizing groundwater, such as fields and farms, it is considered necessary to conduct water quality testing.
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Company information
Sankoh Colloid Chemical Co., Ltd. was established on October 1, 1968, as Sankoh Colloid Limited Partnership. It built a factory at its current location and manufactures and sells textile-related products such as dyeing auxiliaries, textile oils, and textile finishing agents. In 1970, it expanded into civil engineering chemicals, including concrete admixtures and foaming agents for air mortars, and now its main product is liquid injection agents (grouts) among civil engineering chemicals. These products are used in the construction of social infrastructure such as water supply and drainage systems, subways, and roads. The sales targets are throughout Japan and the Southeast Asian region. (ISO 9001 certification obtained in 1998)