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学者姓名:吴能森
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Abstract :
倾斜受荷刚性桩复合地基的设计缺少相关规范的指导,进一步认识刚性桩复合地基倾斜受荷变形特征,对完善其设计理论具有重要意义。基于透明土,开展倾斜受荷刚性桩-黏性土复合地基模型试验;采用PIV图像测试技术处理试验结果,初步研究倾斜受荷刚性桩-黏性土复合地基的变形特征;全面分析不同垫层厚度(厚径比)、竖向荷载和旁压荷载对加载板和桩周黏性土位移的影响。研究表明:黏性土复合地基中桩顶水平位移的变化规律与砂土复合地基相似;竖向荷载、厚径比和旁压荷载不会影响加载板随水平荷载的变化规律,但会影响其水平位移值的大小;桩周黏性土的水平位移随着竖向荷载和厚径比的增大而减小,随着旁压荷载的增大而增大;厚径比和旁压荷载均会影响地基的水平承载力,需合理控制复合地基的厚径比和考虑挡土墙后填土自重的影响;竖向荷载会影响地基的破坏形式和水平承载力的发挥,对于承受较小竖向荷载的地基,需注意地基水平承载力的发挥程度。研究成果可为刚性桩-黏性土复合地基的进一步深入研究提供重要参考。
Keyword :
倾斜荷载 倾斜荷载 变形特征 变形特征 旁压荷载 旁压荷载 桩周黏性土 桩周黏性土 水平承载力 水平承载力 透明土 透明土
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| GB/T 7714 | 黄志波 , 吴能森 , 许旭堂 . 倾斜受荷刚性桩-黏性土复合地基变形研究 [J]. | 内蒙古农业大学学报(自然科学版) , 2025 , 46 (05) : 70-77 . |
| MLA | 黄志波 等. "倾斜受荷刚性桩-黏性土复合地基变形研究" . | 内蒙古农业大学学报(自然科学版) 46 . 05 (2025) : 70-77 . |
| APA | 黄志波 , 吴能森 , 许旭堂 . 倾斜受荷刚性桩-黏性土复合地基变形研究 . | 内蒙古农业大学学报(自然科学版) , 2025 , 46 (05) , 70-77 . |
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为探求养护方式对高强混凝土抗氯离子渗透性能的影响,本研究通过RCM法和电通量法对比研究了实际工程中最为常见的三种养护方式(标准养护、蒸汽养护、高温蒸压养护)生产的高强混凝土的抗氯离子渗透性能。研究结果表明:相同组分混凝土氯离子迁移系数与电通量呈正相关;相比于标准养护下的高强混凝土,蒸汽养护和高温蒸压养护下的混凝土氯离子迁移系数同比分别增长了365.4%和61.5%,电通量同比分别增长了317.8%和110.7%;相互印证标准养护混凝土抗氯离子性能最好,高温蒸压养护混凝土抗氯离子渗透性能介于标准养护和蒸汽养护之间。
Keyword :
氯离子侵蚀 氯离子侵蚀 混凝土 混凝土 管桩 管桩 耐久性 耐久性
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| GB/T 7714 | 李帅 , 吴正宇 , 吴能森 et al. 不同养护方式下高强混凝土抗氯离子渗透性能研究 [J]. | 水泥 , 2024 , 5 (05) : 22-26 . |
| MLA | 李帅 et al. "不同养护方式下高强混凝土抗氯离子渗透性能研究" . | 水泥 5 . 05 (2024) : 22-26 . |
| APA | 李帅 , 吴正宇 , 吴能森 , 王逢朝 . 不同养护方式下高强混凝土抗氯离子渗透性能研究 . | 水泥 , 2024 , 5 (05) , 22-26 . |
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Gypsum particleboard is attracting attention in the construction industry due to its excellent properties. However, the traditional raw materials for gypsum particleboard are facing a shortage of supply. In this study, we innovatively utilized bulk solid waste Phosphogypsum and Pennisetum giganteum for the first time to manufacture gypsum particleboard. This approach not only effectively addresses the issue of insufficient supply of traditional raw materials for gypsum particleboard but also provides a new pathway for the resource utilization of phosphogypsum. Through an orthogonal experimental design, we focused on optimizing the gypsum particleboard formulation, concentrating on factors such as density, the ratio of Pennisetum giganteum to gypsum (grass-plaster ratio), the ratio of water to gypsum (water-plaster ratio), and the size of the particles. The study determined that the optimal formulation parameters were a density of 1.2 g/ cm3, a grass-plaster ratio of 0.20, a water-plaster ratio of 0.25, and a particle mesh number of 14. Under these conditions, the gypsum particleboard exhibited excellent performance, characterized by a static flexural strength of 6.5 MPa, a modulus of elasticity of 2010 MPa, an internal bond strength of 0.4 MPa, a 24-hour water-absorption thickness expansion rate of 2.2%, and an equilibrium moisture content of 1.6%, all meeting the American Society for Testing and Materials (ASTM) Standard D1037. These findings indicate that gypsum particleboards made with Pennisetum giganteum and phosphogypsum can perform comparably to those made with conventional materials. Additionally, a performance prediction model was established using Multiple Linear Regression Analysis (MLRA). The analysis revealed a significant linear relationship between the independent and dependent variables in the model, with the Analysis of Variance (ANOVA) significance levels being less than 0.05, demonstrating statistical significance. This result provides a theoretical basis for the future development of high-performance gypsum particleboard.
Keyword :
Gypsunm particleboard Gypsunm particleboard Multiple linear regression analysis Multiple linear regression analysis Orthogonal analysis Orthogonal analysis Pennisetum giganteum Pennisetum giganteum Phosphogypsum Phosphogypsum
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| GB/T 7714 | Wu, Nengsen , Huang, Bocong , Xie, Jingzhou et al. Optimizing gypsum particleboard properties: An orthogonal analysis of pennisetum giganteum and phosphogypsum composites [J]. | CASE STUDIES IN CONSTRUCTION MATERIALS , 2024 , 20 . |
| MLA | Wu, Nengsen et al. "Optimizing gypsum particleboard properties: An orthogonal analysis of pennisetum giganteum and phosphogypsum composites" . | CASE STUDIES IN CONSTRUCTION MATERIALS 20 (2024) . |
| APA | Wu, Nengsen , Huang, Bocong , Xie, Jingzhou , Huang, Ping , Yang, Wenbin , Xu, Qing . Optimizing gypsum particleboard properties: An orthogonal analysis of pennisetum giganteum and phosphogypsum composites . | CASE STUDIES IN CONSTRUCTION MATERIALS , 2024 , 20 . |
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为探究静压桩在成层地基中的挤土效应及其与均质地基的差异,利用透明土结合粒子图像测速技术(PIV),对成层土和均质土地基进行静压桩贯入可视化模型试验。对土体位移矢量图、位移等值线图以及软硬土层交界面的位移特征进行分析,结果显示:桩侧土位移及地表隆起,静压桩在黏土地基中的影响范围大于砂土,但在桩侧3倍桩径范围内,砂土地基的挤土效应大于黏土地基;对比均质黏土地基,“上黏下砂”地基的桩端挤土效应减弱,而桩侧的水平位移增大,桩侧2倍桩径以内地表隆起值增大,桩侧2倍桩径以外地表隆起值减小;对比均质砂土地基,“上砂下黏”地基的桩端挤土效应增强,桩侧3倍桩径以内的水平位移、地表隆起值减小,但地表隆起影响范围扩大到4倍桩径以外;在成层地基的土层交界面,上下层土体的位移大小不同,尤其是桩侧附近的位移差值较大。
Keyword :
可视化模型试验 可视化模型试验 成层地基 成层地基 挤土效应 挤土效应 粒子图像测速技术 粒子图像测速技术 静压桩 静压桩
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| GB/T 7714 | 施静怡 , 吴能森 , 刘强 . 静压桩在成层地基中挤土效应的可视化研究 [J]. | 河南城建学院学报 , 2024 , 33 (02) : 20-26 . |
| MLA | 施静怡 et al. "静压桩在成层地基中挤土效应的可视化研究" . | 河南城建学院学报 33 . 02 (2024) : 20-26 . |
| APA | 施静怡 , 吴能森 , 刘强 . 静压桩在成层地基中挤土效应的可视化研究 . | 河南城建学院学报 , 2024 , 33 (02) , 20-26 . |
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To enhance the mechanical strength and water resistance of phosphogypsum-based materials, this study employed a semi-dry process utilizing waste stone powder to fabricate a high-strength, water-resistant composite material. We investigated the influence of various types and quantities of stone powders on the mechanical properties and water resistance of phosphogypsum-based composites, elucidating the underlying mechanisms through microscopic experiments. The results show that 5% of granite powder not only promotes the hydration of phosphogypsum but also fills the pores, which can effectively improve the mechanical properties and water resistance of phosphogypsum-based composites. At 7 days, the flexural strength reached 8.69 MPa, the compressive strength reached 31.42 MPa, and the water absorption rate was 4.88%, with a softening coefficient of 0.99. This study exemplifies the resourceful utilization of two types of solid waste, contributing to the reduction of environmental pollution and the advancement of the green economy. © 2024, The Authors. All rights reserved.
Keyword :
Compressive strength Compressive strength Gypsum Gypsum Water absorption Water absorption
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| GB/T 7714 | Jiajia, Li , Jiaqing, Li , Kunyi, Zhu et al. Utilizing Waste Stone Powder for Improving Properties of Phosphogypsum-Based Composite Prepared by Semi-Dry Method [J]. | SSRN , 2024 . |
| MLA | Jiajia, Li et al. "Utilizing Waste Stone Powder for Improving Properties of Phosphogypsum-Based Composite Prepared by Semi-Dry Method" . | SSRN (2024) . |
| APA | Jiajia, Li , Jiaqing, Li , Kunyi, Zhu , Ping, Huang , Nengsen, Wu , Qing, Xu . Utilizing Waste Stone Powder for Improving Properties of Phosphogypsum-Based Composite Prepared by Semi-Dry Method . | SSRN , 2024 . |
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随着全球对可持续发展和“双碳”目标的日益重视,植物纤维和石膏作为绿色低碳环保型的建材原料,其复合材料的研究与应用备受关注。首先对石膏、植物纤维进行概述,特别是对掺入植物纤维后的石膏基复合材料的性能变化及其机理进行凝练性总结;其次对竹纤维、菌草纤维在石膏基复合材料中的应用效果,以及植物纤维-石膏基复合材料产业化与工程应用问题进行探讨;最后提出以产业化为目标导向的结论与建议,指出产业化亟须解决的关键问题,并对未来的研究趋势及发展前景进行了展望。
Keyword :
产业化 产业化 性能 性能 植物纤维-石膏基复合材料 植物纤维-石膏基复合材料 竹纤维 竹纤维 菌草纤维 菌草纤维
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| GB/T 7714 | 黄博聪 , 吴能森 , 李佳佳 et al. 植物纤维-石膏基复合材料研究进展 [J]. | 河南城建学院学报 , 2024 , 33 (03) : 1-9 . |
| MLA | 黄博聪 et al. "植物纤维-石膏基复合材料研究进展" . | 河南城建学院学报 33 . 03 (2024) : 1-9 . |
| APA | 黄博聪 , 吴能森 , 李佳佳 , 徐青 , 付腾飞 . 植物纤维-石膏基复合材料研究进展 . | 河南城建学院学报 , 2024 , 33 (03) , 1-9 . |
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To enhance the mechanical strength and water resistance of phosphogypsum-based materials, this study employed a semi-dry process utilizing waste stone powder to fabricate a high-strength, water-resistant composite material. We investigated the influence of various types and quantities of stone powders on the mechanical properties and water resistance of phosphogypsum-based composites, elucidating the underlying mechanisms through microscopic experiments. The results show that 5% of granite powder not only promotes the hydration of phosphogypsum but also fills the pores, which can effectively improve the mechanical properties and water resistance of phosphogypsum-based composites. At 7 days, the flexural strength reached 8.69 MPa, the compressive strength reached 31.42 MPa, and the water absorption rate was 4.88%, with a softening coefficient of 0.99. This study exemplifies the resourceful utilization of two types of solid waste, contributing to the reduction of environmental pollution and the advancement of the green economy.
Keyword :
beta-hemihydrate phosphogypsum beta-hemihydrate phosphogypsum Green building material Green building material High mechanics and water resistance High mechanics and water resistance Waste stone powder Waste stone powder
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| GB/T 7714 | Li, Jiajia , Li, Jiaqing , Zhu, Kunyi et al. Utilizing waste stone powder for improving properties of phosphogypsum-based composite prepared by semi-dry method [J]. | CONSTRUCTION AND BUILDING MATERIALS , 2024 , 426 . |
| MLA | Li, Jiajia et al. "Utilizing waste stone powder for improving properties of phosphogypsum-based composite prepared by semi-dry method" . | CONSTRUCTION AND BUILDING MATERIALS 426 (2024) . |
| APA | Li, Jiajia , Li, Jiaqing , Zhu, Kunyi , Huang, Ping , Wu, Nengsen , Yang, Yang et al. Utilizing waste stone powder for improving properties of phosphogypsum-based composite prepared by semi-dry method . | CONSTRUCTION AND BUILDING MATERIALS , 2024 , 426 . |
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以挡土墙背和临近建筑物间的有限黏性填土为研究对象,通过透明土的模型试验以及PIVlab的图像分析,研究平动模式下墙后土体变形特征及破坏规律。结果显示:在挡土墙背离填土平动的过程中,剪切滑动面逐渐形成,并产生二次滑动,最终演变为一条由墙踵贯穿至填土表面的二次曲线形滑动面,与水平方向夹角为57°,填土有限与半无限的界限为b/h=0.7;有限宽度下填土的破坏形式与半无限工况不同,滑动面在临近建筑物墙面产生交点,与水平方向夹角约为55°,未出现砂土“反射”多道的现象。
Keyword :
土体破坏模式 土体破坏模式 平动模式 平动模式 有限黏性填土 有限黏性填土 滑动面特征 滑动面特征
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| GB/T 7714 | 王润北 , 吴能森 . 平动模式下墙后有限黏性填土破坏模型试验研究 [J]. | 河南城建学院学报 , 2024 , 33 (04) : 72-79 . |
| MLA | 王润北 et al. "平动模式下墙后有限黏性填土破坏模型试验研究" . | 河南城建学院学报 33 . 04 (2024) : 72-79 . |
| APA | 王润北 , 吴能森 . 平动模式下墙后有限黏性填土破坏模型试验研究 . | 河南城建学院学报 , 2024 , 33 (04) , 72-79 . |
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为探讨不同间、排距抗滑桩支护下边坡的滑移规律和特征,采用透明土模型试验并结合粒子图像测速技术,进行不同间、排距抗滑桩加固下边坡透明土试验,以探讨坡顶受荷下抗滑桩边坡土体的整体移动规律和滑移破坏特征。通过不同间、排距抗滑桩加固边坡土体的位移矢量图、位移等值线图以及荷载-位移曲线特征分析。结果表明:抗滑桩边坡的滑移过程可分为稳定、匀速和加速变形3个阶段,边坡极限承载力随桩间、排距的减小有所增大;抗滑桩加固边坡的滑动层深度随桩间、排距的扩大而加深,间、排距为3b时,出现坡面浅层和桩身中部位置的两个深浅不一的滑动面,表现为越顶剪切和桩土体系共同倾覆破坏。基于研究结论,对边坡防护提出以下建议:对于重要边坡防护工程,方形抗滑桩间、排距不宜超过桩截面边长的3倍和4倍,对于承载力要求不高的边坡工程,可适当增加桩间、排距以减小施工成本。
Keyword :
土体位移场 土体位移场 抗滑桩 抗滑桩 桩间排距 桩间排距 边坡滑移 边坡滑移 透明土模型试验 透明土模型试验
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| GB/T 7714 | 刘强 , 吴能森 , 张震 . 基于透明土的不同间、排距抗滑桩边坡滑移特征 [J]. | 福建理工大学学报 , 2024 , 22 (04) : 333-340,355 . |
| MLA | 刘强 et al. "基于透明土的不同间、排距抗滑桩边坡滑移特征" . | 福建理工大学学报 22 . 04 (2024) : 333-340,355 . |
| APA | 刘强 , 吴能森 , 张震 . 基于透明土的不同间、排距抗滑桩边坡滑移特征 . | 福建理工大学学报 , 2024 , 22 (04) , 333-340,355 . |
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本发明提出一种基于遗传模拟退火算法的岩体结构面优势产状分组方法,包括以下步骤:将结构面产状数据转化为单位法向量并获得数据集,设置控制参数,生成初始聚类中心和初始种群,计算样本隶属度和适应度函数值,使用遗传算法对初始种群进行选择、交叉、变异操作获得新种群,采用模拟退火算法对新生成的个体进行判断与选择,更新种群、聚类中心、隶属度和适应度值,并通过Xie‑Beni有效性指标获得最佳分组结果。本发明利用模拟遗传退火算法结合模糊C均值聚类算法,克服了模糊C均值聚类算法需要指定聚类中心的缺陷,在确定聚类组数后,算法在聚类过程中能够自动寻找最优聚类中心,得出的结果更加准确。
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| GB/T 7714 | 阮云凯 , 黄炜 , 刘伟城 et al. 一种基于遗传模拟退火算法的岩体结构面优势产状分组方法 : CN202411028040.7[P]. | 2024-07-30 . |
| MLA | 阮云凯 et al. "一种基于遗传模拟退火算法的岩体结构面优势产状分组方法" : CN202411028040.7. | 2024-07-30 . |
| APA | 阮云凯 , 黄炜 , 刘伟城 , 陈锦资 , 王坛华 , 杨运林 et al. 一种基于遗传模拟退火算法的岩体结构面优势产状分组方法 : CN202411028040.7. | 2024-07-30 . |
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