改良废弃泥浆固化体的力学试验及应用研究

胡佳; 杜烨; 刘永超; 张倩; 李兵兵; 王浩; 王康; 姚懿煊

doi:10.20265/j.cnki.issn.1007-2993.2024-0470

改良废弃泥浆固化体的力学试验及应用研究

doi: 10.20265/j.cnki.issn.1007-2993.2024-0470

胡佳^1,,
杜烨¹,
刘永超^{2, 3, ,},
张倩¹,
李兵兵⁴,
王浩⁵,
王康⁶,
姚懿煊²

1.
天津滨海新区轨道交通投资发展有限公司，天津　300450
2.
天津大学建筑工程学院，天津　300072
3.
天津建城基业集团有限公司，天津　300301
4.
中铁建设集团有限公司，北京　100040
5.
中铁二十二局集团房地产开发有限公司，北京　100043
6.
天津城建大学土木工程学院，天津　300384

基金项目: 国家自然科学基金（52178343）

详细信息

作者简介:
胡　佳，男，1986年生，硕士，高级工程师，从事建筑工程、轨道建设工程设计、施工管理的研究。E-mail：307513642@qq.com

通讯作者:
刘永超，男，1970年生，博士，教授级高级工程师，主要从岩土工程设计与施工技术研究。 E-mail：chao96521@vip.sina.com

中图分类号: TU502
计量
- 文章访问数: 10
- HTML全文浏览量: 5
- PDF下载量: 1
- 被引次数: 0
出版历程
- 收稿日期: 2024-10-14
- 修回日期: 2025-01-08
- 录用日期: 2025-04-09
- 网络出版日期: 2025-12-08
- 刊出日期: 2025-12-08

Mechanical test and application of improved waste mud solidified body

Hu Jia^1
,,
Du Ye¹,
Liu Yongchao^{2, 3
, ,},
Zhang Qian¹,
Li Bingbing⁴,
Wang Hao⁵,
Wang Kang⁶,
Yao Yixuan²

1.
Tianjin Binhai New Area Rail Transit Investment and Development Co., Ltd., Tianjin 300450, China
2.
School of Civil Engineering, Tianjin University, Tianjin 300072, China
3.
Tianjin Construction Inheritance Group Company Limited, Tianjin 300301, China
4.
China Railway Construction Group Co., Ltd., Beijing 100040, China
5.
China Railway 22 Bureau Group Real Estate Development Co., Ltd., Beijing 100043, China
6.
School of Civil Engineering, Tianjin Chengjian University, Tianjin 300384, China

摘要

摘要: 废弃泥浆有效处置已成为工程建设和环境保护的问题之一，基于废弃泥浆资源化理念，将实际工程中的废弃泥浆取出并测定其参数，然后掺入不同比例的膨润土、粉煤灰及水泥进行固化改良，制备膏状浆液。通过正交设计进行9组试验，分析不同龄期下无侧限抗压强度的影响因素及其显著性。试验表明：试样的无侧限抗压强度随着养护龄期的增加而增大，泥浆比例对不同养护龄期下试样的无侧限抗压强度影响最为显著，3 d和28 d时各因素对无侧限抗压强度影响的显著性顺序为：泥浆比例>粉煤灰掺量>膨润土掺量；7 d和14 d时各因素对无侧限抗压强度影响的显著性顺序为：泥浆比例>膨润土掺量>粉煤灰掺量。研究成果可为废弃浆液资源化利用提供借鉴。
- 废弃泥浆 /
- 膏状浆液 /
- 养护龄期 /
- 无侧限抗压强度
Abstract: The effective disposal of waste mud has become a key issue in engineering construction and environmental protection. Based on the concept of waste mud recycling, this paper takes out the waste mud in the actual project and measures its parameters, and then mixes a fixed proportion of bentonite, fly ash and cement for solidification and improvement to prepare paste slurry. Nine groups of tests were carried out by orthogonal design to analyze the influencing factors and significance of unconfined compressive strength at different ages. The test shows that the unconfined compressive strength of the sample increases with the increase of the curing age, and the slurry ratio has the most significant effect on the unconfined compressive strength of the sample at different curing ages. The significance order of the influence of each factor on the unconfined compressive strength at 3 d and 28 d is slurry ratio, fly ash, bentonite; the significance order of the influence of each factor on the unconfined compressive strength at 7 d and 14 d is slurry ratio, bentonite, fly ash. The research results have certain reference significance for the application of paste slurry as building materials in practical engineering.
- waste mud /
- paste slurry /
- curing age /
- unconfined compressive strength

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图 1 无侧限抗压强度试验

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图 2 各因素与3 d无侧限抗压强度关系图

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图 3 各因素与7 d无侧限抗压强度关系图

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图 4 各因素与14 d无侧限抗压强度关系图

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图 5 各因素与28 d无侧限抗压强度关系图

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图 6 无侧限抗压强度试验值与预测值关系图

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图 7 工程应用试验及测试

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表 1 各因素水平表

水平	因素
水平	A/%	B/%	C
1	19	0	2.5
2	26	15	3
3	33	30	3.5

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表 2 正交试验数据表 MPa

编号	A	B	C	3 d	7 d	14 d	28 d
Z1	A₁	B₁	C₁	0.87	4.00	5.48	5.83
Z2	A₁	B₂	C₃	0.62	2.03	2.56	2.69
Z3	A₁	B₃	C₂	0.81	2.88	3.76	4.98
Z4	A₂	B₁	C₃	0.61	2.20	3.00	3.22
Z5	A₂	B₂	C₂	0.76	3.37	3.88	4.97
Z6	A₂	B₃	C₁	0.94	4.39	6.57	8.32
Z7	A₃	B₁	C₂	0.60	3.19	4.48	4.65
Z8	A₃	B₂	C₁	0.91	4.93	6.11	7.67
Z9	A₃	B₃	C₃	0.71	2.45	3.81	4.39

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表 3 3 d无侧限抗压强度极差分析结果

K_i值	因素
K_i值	A	B	C
K₁	2.30	2.08	2.72
K₂	2.31	2.29	2.17
K₃	2.22	2.46	1.94
$ {\overline K _1} $	0.77	0.69	0.91
$ {\overline K _2} $	0.77	0.76	0.72
$ {\overline K _3} $	0.74	0.82	0.65
R	0.03	0.13	0.27

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表 4 7 d无侧限抗压强度极差分析结果

K_i值	因素
K_i值	A	B	C
K₁	8.91	9.39	13.32
K₂	9.96	10.33	9.44
K₃	10.57	9.72	6.68
$ {\overline K _1} $	2.97	3.13	4.44
$ {\overline K _2} $	3.32	3.44	3.15
$ {\overline K _3} $	3.52	3.24	2.23
R	0.55	0.31	2.21

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表 5 14 d无侧限抗压强度极差分析结果

K_i值	因素
K_i值	A	B	C
K₁	11.80	12.96	18.16
K₂	13.45	12.55	12.12
K₃	14.40	14.14	9.37
$ {\overline K _1} $	3.93	4.32	6.05
$ {\overline K _2} $	4.48	4.18	4.04
$ {\overline K _3} $	4.80	4.71	3.12
R	0.87	0.53	2.93

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表 6 28 d无侧限抗压强度极差分析结果

K_i值	因素
K_i值	A	B	C
K₁	13.50	13.70	21.82
K₂	16.51	15.33	14.60
K₃	16.71	17.69	10.30
$ {\overline K _1} $	4.50	4.57	7.27
$ {\overline K _2} $	5.50	5.11	4.87
$ {\overline K _3} $	5.57	5.90	3.43
R	1.07	1.33	3.84

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