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沈阳地区风积砂固化技术的研究

     

摘要

The solidified technology used for aeolian sand in Shenyang area is studied. According to the composition and characteristics of solidified agent and combining composition and nature of aeolian sand, solidified tests have been done according to difference composition and quality. The conclusions are as follows: Unconfined compressive strength of stabilized soil generally increased with adding dosage of solidified agent. However, negative growth will emerge when smaller dosages and larger ones were used. The using dosage will decrease with the growth of forming intervals and increase with prolonging curing time. When ZR solidified agent was used at Dazhao village in Xinming in proportion with 11% and SY solidified agent at Dadi Road in Liaozhong 11%, the solidifying effect was optimal. When the stabilized soil was layered on the surface of the village road and the length of test road was 5.6 kin, the test results are good.%为了研究沈阳地区风积砂的固化技术,根据固化剂的成分和特性,结合该地区风积砂的组成及性质,按不同剂量进行不同固化剂、不同土质固化试验.实验结果表明:固化土的无侧限抗压强度一般随固化剂剂量的增加而提高,但当剂量较小或较大时,会出现负增长;随成型间隔时间的增长而下降;随龄期的增长而增长.沈阳新民大赵屯粉土质砂采用ZR固化剂,掺入质量分数为11%;辽中大堤路含细粒土砂采用SY固化剂,掺人质量分数为11%,固化效果最佳.将固化土用于村镇公路的面层,并铺设试验路面长5.6km,检验效果良好.

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