采石废弃地弃渣与农田土混合土壤粒径特征及水文效应

王佳欢; 杨新兵; 刘彦林; 赵小勇; 赵波; 史宝胜

doi:10.13870/j.cnki.stbcxb.2022.03.048

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采石废弃地弃渣与农田土混合土壤粒径特征及水文效应

更新时间：2026-04-09

- 采石废弃地弃渣与农田土混合土壤粒径特征及水文效应
- Experimental Study on Particle Size Characteristics and Hydrological Effect of Mixed Soil of Quarrying Waste Residue and Farmland Soil
- 水土保持学报 2022年36卷第3期页码：338-344
- 作者机构：
  
  1. 河北农业大学林学院,河北,保定,071000
  2. 河北地矿建设工程集团有限责任公司, 河北省地矿局国土资源勘查中心,石家庄,050000
  3. 河北农业大学园林与旅游学院,河北,保定,071000
- 作者简介：
  
  [ "王佳欢(1995-),男,硕士研究生,主要从事林业生态研究。E-mail:706585572@qq.com" ]
- 基金信息：
  
  河北省重点研发计划项目(20374208D)
- DOI：10.13870/j.cnki.stbcxb.2022.03.048
  中图分类号： S156.99
- 网络首发：2022-05-27，
  
  纸质出版：2022
- 稿件说明：
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王佳欢, 杨新兵, 刘彦林, 等. 采石废弃地弃渣与农田土混合土壤粒径特征及水文效应[J]. 水土保持学报, 2022,36(3):338-344.

WANG Jiahuan, YANG Xinbing, LIU Yanlin, et al. Experimental Study on Particle Size Characteristics and Hydrological Effect of Mixed Soil of Quarrying Waste Residue and Farmland Soil[J]. 2022, 36(3): 338-344.
王佳欢, 杨新兵, 刘彦林, 等. 采石废弃地弃渣与农田土混合土壤粒径特征及水文效应[J]. 水土保持学报, 2022,36(3):338-344. DOI： 10.13870/j.cnki.stbcxb.2022.03.048.

WANG Jiahuan, YANG Xinbing, LIU Yanlin, et al. Experimental Study on Particle Size Characteristics and Hydrological Effect of Mixed Soil of Quarrying Waste Residue and Farmland Soil[J]. 2022, 36(3): 338-344. DOI： 10.13870/j.cnki.stbcxb.2022.03.048.

摘要

探究弃渣与农田土不同混合比例下重构土体粒径特征和水文效应的差异

对于提高采石废弃地重构土体的结构稳定、水资源高效利用以及资源利用化具有重要意义。以采石场弃渣和农田土为重构基质

以0∶10(C1)

3∶7(C2)

5∶5(C3)

7∶3(C4)

10∶0(C5)体积比例混合

采用野外土柱模拟方法

探究不同配比下土壤粒径特征和水文效应的差异。结果表明:(1)不同配比下弃渣含量越高

砂粒比重越大、黏粒和粉粒比重越小

砂粒比重最大为61.50%

分散度、偏度、峰态等群体特征参数变化分别为降低、升高、升高

不均匀系数显著降低

曲率系数在1~3波动

分形维数呈不显著降低趋势

土体结构朝不稳定方向变化。(2)混合土壤弃渣含量增大会引起容重变大、毛管孔隙和总孔隙数量减少、非毛管孔隙数量增加等土壤孔隙方面以及田间持水、毛管持水、饱和持水三者下降等土壤持水性能方面的变化

同时

初始入渗、稳定入渗、平均入渗等速率变化以及累计入渗量基本呈增加趋势

稳渗用时呈波动式变化。不同配比下土壤入渗模型拟合R2≥0.856

RRMSE≤0.153

整体上模型拟合效果较好

灰色关联分析结果表明

C5入渗性能最好。(3)弃渣∶农田土以3∶7体积比例混合后的土壤在粒径结构和水文效应2个方面评价结果中表现最佳。[JP]

Abstract

Exploring the difference of particle size characteristics and hydrological effect of reconstructed soil under the different mixture ratio of abandoned slag and farmland soil is of great significance for improving the structural stability

efficient utilization of water resources and utilization of resources in the quarrying wasteland. Taking the abandoned residue of quarry and farmland soil as reconstruction matrix as research objects

the soil column simulation method was used to explore the difference of soil particle size structure and hydrological effect at different both volume ratios of 0:10 (C1)

3:7 (C2)

5:5 (C3)

7:3 (C4) and 10:0 (C5) respectively. The results showed that:(1) The higher ratios of abandoned slag resulted in the greater specific gravity of sand

and the smaller of clay and silt. The maximum specific gravity of sand was 61.50%. The characteristic parameters of particle size

such as dispersion

skewness and kurtosis

decreased

increased and increased respectively

and the non-uniformity coefficient decreased significantly

the curvature coefficient fluctuated between 1 to 3

and the fractal dimension showed an insignificant decreasing trend. The soil structure changed in an unstable direction. (2) The increase of abandoned residue in mixed soil would lead to the increase of bulk density

the decrease of the number of capillary pores and total pores

the increase of the number of non-capillary pores

and the decrease of field water holding capacity

capillary water holding capacity and saturated water holding capacity. At the same time

the changes of initial infiltration

stable infiltration

average infiltration and cumulative infiltration basically showed an increasing trend. There was a fluctuating change in the used time of steady infiltration. Under different ratios

the soil infiltration model fitted well with R2 ≥ 0.856

RRMSE ≤ 0.153. The grey correlation analysis showed that C5 had the best infiltration performance. (3) The mixed soil with the abandoned residue:farmland soil of 3:7 gave the best performance in the particle size structure and hydrological effect.

关键词

Keywords

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