The paper puts forward the thought, an evaluation method of rational exploitation quantity, the area controlled by unit well and a standard of water cost.

文中依据这种思想提出了该地区中长期规划思想、可开采量、评价方法、单井控制面积、水费征计标准。

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The results show: (1) with high calcium mixing, concrete workability was modified, the water quantity needed for standard consistence decreased, initial and final setting time increased;

结果表明：（1）高钙灰的掺入改善了胶砂的工作性，降低了标准稠度用水量，延缓了胶材的初终凝时间；

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