CAJ | 학술논문

以江苏省启东吹填海砂为研究对象,采用固结仪测量吹填海砂的溶陷变形情况。测得启东吹填海砂的溶陷系数为1.1%,低于高等级公路路基填料溶陷系数小于1.5%的标准要求,可以用于路基填料。对启东吹填海砂掺加NaCl,人工配制成不同含盐量的试样,研究含盐量和压力对溶陷系数的影响,结果发现：随着含盐量增加,溶陷系数增加；压力为200 kPa时溶陷系数最大。
이강소성계동취전해사위연구대상,채용고결의측량취전해사적용함변형정황。측득계동취전해사적용함계수위1.1%,저우고등급공로로기전료용함계수소우1.5%적표준요구,가이용우로기전료。대계동취전해사참가NaCl,인공배제성불동함염량적시양,연구함염량화압력대용함계수적영향,결과발현：수착함염량증가,용함계수증가；압력위200 kPa시용함계수최대。
Subsidence deformation of dredger fill sea sand in Qidong City, Jiangsu Province, was studied using a consolidometer. Dredger fill sea sand with a subsidence coefficient of 1. 1%, which is less than the subsidence coefficient of the subgrade filling material of a highway, i. e. , 1. 5%, can be used as the subgrade filling material. Sea sand samples with different salt contents were prepared by adding different quantities of NaCl to investigate the effect of the salt content and pressure on the subsidence coefficient. It was found that the subsidence coefficient increased with the salt content and reached the maximum value when the pressure was 200 kPa.