为了保证工程质量、节约材料，对化学灌浆工程浆液扩散有效半径的计算，将起着重要作用。

In order to guarantee the quality of projects, and save materials, it will play an important role to calculate effective diffusion radius of slurry in chemical grouting works.

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水玻璃类浆液作为化学灌浆材料，其粘度在随时间变化，因此浆液在砂土中的渗流过程较复杂。

When water glass seriflux as chemistry injection material, its kinetic viscosity is varying with time, so the process of seriflux permeating in the sand is complicated.

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水泥类悬浊液浆液形成的灌浆压力大于高分子化学浆液形成的灌浆压力；

The grouting pressure formed by cement type suspensoid is greater than that by high molecular chemical slurry.

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