有机硅作为砼外加剂应用于集雨旱井工程，具有提高防渗、抗压、抗裂、防坍塌等多种功能，性能优异，费省效宏。为便于广大农民朋友了解产品性能，作者集5年试验研究成果，总结出便于群众操作的简易试验方法，仅用几分钟时间和少量水泥、砂子即可在室内完成有机硅掺入水泥砂浆20种性能试验。 Silicone as a concrete admixture used in rainwater harvesting and dry well engineering, with the anti-seepage, compressive, crack, collapse prevention and other functions, excellent performance, cost-effective macro. In order to facilitate the farmers to understand the product performance of the farmers, the author set 5 years of experimental research results, summed up the convenience of the masses to operate a simple test method, only a few minutes and a small amount of cement, sand can be completed indoors with 20 kinds of silicone mixed mortar Performance test.