生物质混凝土在岩石表面增肥的研究  

Study on biomass concrete fertilizing on rock surface

作　　者：李成 孙平[2] 毛迪龙 朱刚[2] 杨菊香[2] 宋立美[2] 薛敏[2] LI Cheng;SUN Ping;MAO Dilong;ZHU Gang;YANG Juxiang;SONG Limei;XUE Min(Key Laboratory of Mine Geological Hazards Mechanism and Control,MNR,Xi′an 710054,China;School of Chemical Engineering,Xi′an University,Xi′an 710065 China)

机构地区：[1]自然资源部矿山地质灾害成灾机理与防控重点实验室,陕西西安710054 [2]西安文理学院化学工程学院,陕西西安710065

出　　处：《混凝土》2024年第4期128-133,共6页Concrete

基　　金：秦岭地区矿山废弃地水土保持与植物多样性研究(HL2022-24);陕西省青年创新团队项目(22JP074);陕西高校青年创新团队:环境污染监测与治理创新团队(205210003);西安文理学院科研团队(XAWLKYTD018);国家自然科学基金(22172118)。

摘　　要：提出了人工提高岩面粗糙度,以提高其承载土壤能力,再结合客土喷播技术的岩面复绿方法。首先,在研究泥浆流动性的基础上,建立了岩面承载土壤能力的测量方法。然后分别利用水泥砂浆平铺、水泥砂浆微台阶、桔杆水泥砂浆微台阶法改造了岩面,并研究了改造后的岩面的承载土壤能力。结果表明水泥砂浆平辅法由于提高了岩面粗糙度而提高了承载土壤能力,水泥砂浆微台阶法由于岩面外形的改变为承载土壤提供了条件,因而大幅提高了承载土壤能力,桔杆水泥砂浆微台阶法不仅保留了水泥砂浆微台阶的优点,还由于桔杆的加入,形成了尖锐的突出物,能够留存树叶、杂草等从而进一步提高了岩面保持土壤、水分和肥力的能力。最后,提出了标准承载土壤能力的概念,解决了不同浓度泥浆测试结果不同的问题。A method of greening rock surface by artificially improving the roughness of rock surface to improve its bearing capacity of soil,combined with the guest soil spraying technology,is proposed.Firstly,on the basis of studying the fluidity of mud,the measurement method of rock surface bearing capacity of soil is established.Then the rock surface is transformed by cement mortar leveling,cement mor-tar micro step and orange rod cement mortar micro step methods,and the bearing capacity of the soil for transformed rock surface is stud-ied.The results show that the coating of cement mortar improves the bearing capacity of soil due to the improvement of rock surface rough-ness,and the micro step of cement mortar provides conditions for bearing soil due to the change of rock surface shape,so the bearing ca-pacity of soil is greatly improved.The micro step of straw rod cement mortar not only retains the advantages of micro step of cement mor-tar,but also forms sharp protrusions due to the addition of straw rod,it can retain leaves and weeds,so as to further improve the ability of rock surface to maintain soil,water and fertility.Finally,the concept of standard soil bearing capacity is proposed,which solves the prob-lem of different test results of different concentrations of mud.

关 键 词：生物质 水泥 岩面增肥 岩面改造 承载土壤能力 

分 类 号：TU528.01[建筑科学—建筑技术科学]