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土凝岩改良金尾矿力学性能研究

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为了研究土凝岩改良金尾矿的力学特性,以张家口市赤城地区的金尾矿为研究对象,用无侧限抗压强度试验研究了不同掺量、压实度和养护龄期对改良后金尾矿抗压强度的影响,并用极差分析的方法分析试验结果,结果表示:土凝岩掺量、压实度以及养护龄期对土凝岩改良金尾矿的无侧限抗压强度均有影响,各因素中,龄期对抗压强度的影响最为显著,土凝岩的掺入量次之,压实度的影响最差.增加土凝岩掺量,改良后金尾矿抗压强度就会增大;增加养护龄期,改良后金尾矿抗压强度就会增大;增大压实度,改良后金尾矿抗压强度就会增大.
Study on mechanical properties of gold tailings improved by soil condensate
In order to study the mechanical characteristics of gold tailings improved by soil condensate rock,the gold tailings in Chicheng area of Zhangjiakou City were taken as the research object,and the unconfined compressive strength test was conducted to study the content of soil condensate rock,compaction degree and curing age and the compressive strength of the improved gold tail-ings.The test results were analyzed by using the method of range analysis.The unconfined com-pressive strength of the modified gold tailings is affected by the content of cement rock,the degree of compaction and the curing age.Among them,the compressive strength is most affected by the curing age,then the content of cement rock and the degree of compaction.The compressive strength of gold tailings will increase with the increase of soil condensate content.The compres-sive strength of gold tailings will increase with increasing curing age.With the increase of compac-tion degree,the compressive strength of gold tailings will increase after improvement.

gold tailingsCompressive strengthCuring ageSoil condensate contentDegree of compac-tion

王鑫、胡志强、董雅璐、张云霞、张琦、阮杰

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张家口臻华工程项目管理有限公司,河北 张家口 075000

张家口建投明石建材有限公司,河北 张家口 075000

金尾矿 抗压强度 养护龄期 土凝岩掺量 压实度

2024

河北建筑工程学院学报
河北建筑工程学院

河北建筑工程学院学报

影响因子:0.502
ISSN:1008-4185
年,卷(期):2024.42(3)