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学者姓名：姚爱军
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摘要 ：
Slope stability has been a key issue in the field of geotechnical engineering. Determining the potential sliding surface of a slope is an important link in evaluating the stability of the slope. For rock slope with embedded structural plane, the potential sliding surface is greatly affected by the embedded structural plane. When determining the potential sliding surface, the influence of the position of the embedded structural plane should be considered. According to the distribution characteristics of the embedded structural plane of the rock slope, the structural plane in rock slope is divided into two types: (1) front embedded and (2) rear embedded structural plane. Considering the influence of two types of structural planes, a search method for potential sliding surfaces of rock slope is proposed combined with the finite random tracking method. The location of the sliding surface is controlled through the cut-in point, cut-out point, and arc height so that the range of search variables does not need empirical assumption. An engineering example is used to verify the search method. The results show that the method could accurately obtain the potential sliding surface of the rock slope with embedded structural plane, which proves the effectiveness of the search method.
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| GB/T 7714 | Yao, Aijun , Lu, Jian , Tian, Zhizhou et al. Research on Search Method of Potential Sliding Surface of Rock Slope with Embedded Structural Plane [J]. | ADVANCES IN CIVIL ENGINEERING , 2021 , 2021 . |
| MLA | Yao, Aijun et al. "Research on Search Method of Potential Sliding Surface of Rock Slope with Embedded Structural Plane" . | ADVANCES IN CIVIL ENGINEERING 2021 (2021) . |
| APA | Yao, Aijun , Lu, Jian , Tian, Zhizhou , Li, Yanyan . Research on Search Method of Potential Sliding Surface of Rock Slope with Embedded Structural Plane . | ADVANCES IN CIVIL ENGINEERING , 2021 , 2021 . |
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摘要 ：
Large-scale landsliding is an extremely important geological process in shaping landscapes in the Tibetan Plateau. In this research, an ancient river-damming landslide with an estimated debris volume of 4.9 x 10(7) m(3), located in the upper Jinsha River, SE Tibetan Plateau, was studied. The landslide once formed a dam over 60 m high and blocked the river. Lacustrine sediments, composed of silty clay with particle sizes of 0.002-0.25 mm, are intermittently distributed along both banks, extending about 6.5 km upstream. The OSL dating indicates that the lacustrine sediments have an age of 2.6 +/- 0.2 ka. Detailed field investigation and theoretical analysis was performed to investigate the characteristics, potential cause and mechanism of the landslide. The results suggest that the landslide was most likely triggered by buckling of planar rock slabs under gravity. It may start as a translational sliding along the weak interlayer composed of mica schist at the upper part of the slope and then formed buckles by curving amphibolite rock beds near the slope toe. The hillslope has still been affected by gravitational deformations, with geomorphology characterized by tension cracks, buckle folds, and small landslide scars distributed on the slope surface, suggesting that the evolution of the river valley caused by buckling deformation has not achieved equilibrium.
关键词 ：
Buckling Buckling Lacustrine sediments Lacustrine sediments Landslide dam Landslide dam Tibetan Plateau Tibetan Plateau
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| GB/T 7714 | Li, Yanyan , Feng, Xuyang , Yao, Aijun et al. A massive ancient river-damming landslide triggered by buckling failure in the upper Jinsha River, SE Tibetan Plateau [J]. | BULLETIN OF ENGINEERING GEOLOGY AND THE ENVIRONMENT , 2021 , 80 (7) : 5391-5403 . |
| MLA | Li, Yanyan et al. "A massive ancient river-damming landslide triggered by buckling failure in the upper Jinsha River, SE Tibetan Plateau" . | BULLETIN OF ENGINEERING GEOLOGY AND THE ENVIRONMENT 80 . 7 (2021) : 5391-5403 . |
| APA | Li, Yanyan , Feng, Xuyang , Yao, Aijun , Lin, Shan , Wang, Rui , Guo, Mingzhu . A massive ancient river-damming landslide triggered by buckling failure in the upper Jinsha River, SE Tibetan Plateau . | BULLETIN OF ENGINEERING GEOLOGY AND THE ENVIRONMENT , 2021 , 80 (7) , 5391-5403 . |
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摘要 ：
This study mainly investigated the variation law and mechanical mechanism of surrounding earth pressure and deformation of an existing tunnel, caused by dewatering, foundation excavation, building loading, and groundwater recovery. According to different dewatering schemes, two modes were established: nonisolated dewatering unloading-loading mode and isolated dewatering unloading-loading mode. Through large-scale similar materials model test, the variation law of deformation and surrounding earth pressure of adjacent tunnel under complex unloading-loading conditions was preliminarily revealed. Based on the size of the prototype project, the test results were further verified by the numerical simulation. The mechanical mechanism of tunnel deformation in different construction stages was analyzed after the comparative study. The results show that the tunnel structure deformation, vertical and horizontal displacement, and torsion occur in the process of building construction. In the nonisolated dewatering unloading-loading mode, the decrease or rise of the groundwater level significantly reduces (maximum 27.85%) or increases (maximum 35.19%) the surrounding earth pressure of the tunnel. The decrease or increase of the horizontal total stress was much greater than that of the vertical total stress, which leads to the deformation of tunnel structure. The vertical displacement of the tunnel is generally settlement, which mainly occurs in the stage of dewatering and building loading, accounting for 83.21%100.00% and 25.11%-40.34% of the total settlement, respectively. In the stage of foundation pit excavation and groundwater recovery, the tunnel rises. In the horizontal direction, the tunnel moves towards the foundation pit, mainly in the excavation stage, accounting for 82.77%-86.30% of the maximum value. Due to the uneven change of displacement field and stress field of soil outside the foundation pit, the tunnel torsion occurs. In the isolated dewatering unloading-Loading mode, the change of groundwater has little effect on the tunnel. In the stage of excavation and construction load, the variation law of tunnel surrounding earth pressure and deformation is similar in the two modes.
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| GB/T 7714 | Guo, Haifeng , Ma, Dong , Yao, Aijun . Deformation Responses and Mechanical Mechanism of Existing Tunnel due to New Building Construction [J]. | ADVANCES IN CIVIL ENGINEERING , 2021 , 2021 . |
| MLA | Guo, Haifeng et al. "Deformation Responses and Mechanical Mechanism of Existing Tunnel due to New Building Construction" . | ADVANCES IN CIVIL ENGINEERING 2021 (2021) . |
| APA | Guo, Haifeng , Ma, Dong , Yao, Aijun . Deformation Responses and Mechanical Mechanism of Existing Tunnel due to New Building Construction . | ADVANCES IN CIVIL ENGINEERING , 2021 , 2021 . |
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摘要 ：
本发明公开了一种人工挖孔环形基桩土芯回填薄钢模板体系及施工方法，采用土芯回填薄钢模板体系进行施工解决了传统人工挖孔空心桩需采用升降设备进行模板支设的问题，通过回填土芯进行薄钢模板支设，作业平台宽阔，施工效率较高，从而优化了施工工序，降低了施工成本。土芯作为模板体系的重要组成，在浇筑混凝土时由于土芯的存在，土压力使模板内壁更加整齐、平整、规则，有效地防止模板涨模、跑浆、漏浆等不良现象出现，大幅提高了环形基桩的成桩质量。
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| GB/T 7714 | 姚爱军 , 董磊 , 李仁康 et al. 一种人工挖孔环形基桩土芯回填薄钢模板体系及施工方法 : CN202011569680.0[P]. | 2020-12-26 . |
| MLA | 姚爱军 et al. "一种人工挖孔环形基桩土芯回填薄钢模板体系及施工方法" : CN202011569680.0. | 2020-12-26 . |
| APA | 姚爱军 , 董磊 , 李仁康 , 田甜 , 周政 . 一种人工挖孔环形基桩土芯回填薄钢模板体系及施工方法 : CN202011569680.0. | 2020-12-26 . |
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摘要 ：
格宾网箱应用于边坡工程时具备护坡、覆绿及材料就地利用等多种特点。为了保证格宾网箱中的植被能够稳定存活,并且防止强降雨条件下植被土颗粒的流失,需对格宾网箱填充物进行反滤层的优化设计,从而实现绿色生态护坡的目的。依托北京冬奥会张家口赛区正在实施的"科技冬奥"项目,在模拟当地最大降雨强度条件下,采用自行设计的试验装置开展了反滤层的防冲刷试验,探究反滤层层数、厚度和反滤料粒径对反滤层防冲刷效果的影响,最终确定了格宾网箱覆绿功能反滤层的优化设计。试验结果表明:反滤层层数设置为两层,上下层厚度均为100 mm且上层碎石粒径小于20 mm、下层碎石粒径为20～100 mm时,反滤层的防冲刷效果最佳。
关键词 ：
优化设计 优化设计 冲刷试验 冲刷试验 现场试验 现场试验 生态护坡 生态护坡 反滤层 反滤层 格宾网箱 格宾网箱
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| GB/T 7714 | 杨凡 , 张志红 , 吴长路 et al. 格宾网箱覆绿功能反滤层优化设计研究 [J]. | 水资源与水工程学报 , 2020 , 31 (05) : 235-239 . |
| MLA | 杨凡 et al. "格宾网箱覆绿功能反滤层优化设计研究" . | 水资源与水工程学报 31 . 05 (2020) : 235-239 . |
| APA | 杨凡 , 张志红 , 吴长路 , 姚爱军 , 陈祥国 , 李立云 . 格宾网箱覆绿功能反滤层优化设计研究 . | 水资源与水工程学报 , 2020 , 31 (05) , 235-239 . |
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摘要 ：
本文以北京地区冲洪积地层条件下,地铁机场西延线隧道下穿既有5号线北新桥站工程为依托,对地铁隧道采用洞桩法施工密贴下穿既有地铁车站,引起地表及既有地铁车站的沉降规律进行研究,并提出沉降控制方案.结果 表明:下穿施工工程中,地表和既有车站底板沉降主要产生在浇筑二衬扣拱阶段.地表沉降呈现出以既有车站两侧的下穿隧道上方为中心沉降量最大,向周边沉降量逐渐减小的特点.车站底板形成与车站中线平行的沉降带,中间条带沉降量最大,两侧随距离增加逐渐减小.本文对洞桩法施工工序提出优化方案,改变浇筑二衬扣拱前,开挖中导洞的距离,模拟结果表明:中导洞开挖隧道总长的1/4后浇筑相应段的二衬扣拱,相较于中导洞开挖贯通后浇筑二衬扣拱,地表最大沉降量减少25％,既有车站底板降量减少7％.
关键词 ：
控制 控制 沉降 沉降 冲洪积地层 冲洪积地层 洞桩法 洞桩法
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| GB/T 7714 | 杨子璇 , 姚爱军 , 张东 et al. 隧道密贴下穿既有地铁车站沉降控制研究 [J]. | 地下空间与工程学报 , 2020 , 16 (z1) : 442-449,464 . |
| MLA | 杨子璇 et al. "隧道密贴下穿既有地铁车站沉降控制研究" . | 地下空间与工程学报 16 . z1 (2020) : 442-449,464 . |
| APA | 杨子璇 , 姚爱军 , 张东 , 郭耀桢 . 隧道密贴下穿既有地铁车站沉降控制研究 . | 地下空间与工程学报 , 2020 , 16 (z1) , 442-449,464 . |
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摘要 ：
本实用新型公开了一种大直径人工挖孔蓄冷换热空心桩，包括人工挖孔桩和人工挖孔桩钢筋笼。本实用新型的有益效果是：大直径人工挖孔空心桩兼做蓄能池和换热管使用，大直径人工挖孔空心桩内部空心做蓄能池，利用夜间谷段电力的低电价，将蓄能池中的水制冷，在白天电价较高的峰段电力期间将冷水释放出来供空调系统制冷使用，大直径人工挖孔空心桩桩身混凝土内，埋设螺旋换热进水管、螺旋换热出水管，利用螺旋换热管与大地进行冷、热交换，实现供冷、供热的目的。
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| GB/T 7714 | 冯姗 , 董磊 , 罗力勤 et al. 一种大直径人工挖孔蓄冷换热空心桩 : CN202020252756.6[P]. | 2020-03-04 . |
| MLA | 冯姗 et al. "一种大直径人工挖孔蓄冷换热空心桩" : CN202020252756.6. | 2020-03-04 . |
| APA | 冯姗 , 董磊 , 罗力勤 , 张丽平 , 王宽 , 姚爱军 et al. 一种大直径人工挖孔蓄冷换热空心桩 : CN202020252756.6. | 2020-03-04 . |
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摘要 ：
为研究新建隧道对既有隧道的附加作用,本文通过现场监测,从附加应力、附加变形两方面研究了新建盾构隧道施工对既有隧道的附加作用。分析了既有隧道管片附加作用的动态变化规律,给出了附加作用与掌子面距离的关系,同时对管片附加作用的空间分布规律进行了分析。监测结果表明:①既有隧道管片的附加环向、径向应力远大于附加走向应力。②既有隧道拱顶、拱底处环向附加应力为拉应力,且拱顶处拉应力远远大于拱底处拉应力,两侧拱腰处为压应力,靠近新建侧附加压应力大于远离侧附加应力,前者约为后者的2倍。③既有隧道管片的走向附加应力是压应力,其中拱底处最大,近侧拱腰处次之,拱顶处较小,远侧拱腰处最小。④既有隧道管片的径向附加应力为...
关键词 ：
现场实测 现场实测 盾构施工 盾构施工 邻近隧道 邻近隧道
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| GB/T 7714 | 邓江雨 , 姚爱军 , 周敬 et al. 邻近隧道盾构施工的现场实测分析 [J]. | 地下空间与工程学报 , 2020 , 16 (06) : 1809-1817 . |
| MLA | 邓江雨 et al. "邻近隧道盾构施工的现场实测分析" . | 地下空间与工程学报 16 . 06 (2020) : 1809-1817 . |
| APA | 邓江雨 , 姚爱军 , 周敬 , 楚培召 . 邻近隧道盾构施工的现场实测分析 . | 地下空间与工程学报 , 2020 , 16 (06) , 1809-1817 . |
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摘要 ：
本文以2022年北京冬奥会高山跳台滑雪项目为依托,开展岩质高切坡交错叠摞-梯形格宾石笼支护结构的生态再造大型现场试验,进行岩质高切坡在梯形格宾石笼交错叠摞布置方式下支护结构的受力变形性能与生态再造的研究。结果表明:格宾网箱支护结构的变形主要发生在施工完成后的前一个月内,网箱顶板竖向沉降在90天之前基本达到稳定,网箱面板水平位移在70天之前基本达到稳定;加肋梯形格宾网箱结构形式对网箱抵抗水平位移的能力有明显的提升;填料级配对格宾支护结构网箱竖向沉降、水平位移有较大影响;交错叠摞-梯形格宾石笼支护结构具有良好的力学性能,且可以满足岩质边坡生态再造的要求。
关键词 ：
格宾支护 格宾支护 生态再造 生态再造 受力变形 受力变形 岩质高切坡 岩质高切坡
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| GB/T 7714 | 唐福尧 , 姚爱军 , 杨帆 et al. 岩质高切坡生态再造格宾支护结构大型现场试验研究 [C] //第十二届全国边坡工程技术大会论文集 . 2020 . |
| MLA | 唐福尧 et al. "岩质高切坡生态再造格宾支护结构大型现场试验研究" 第十二届全国边坡工程技术大会论文集 . (2020) . |
| APA | 唐福尧 , 姚爱军 , 杨帆 , 李雷 . 岩质高切坡生态再造格宾支护结构大型现场试验研究 第十二届全国边坡工程技术大会论文集 . (2020) . |
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摘要 ：
结合位于北京朝阳区的星火站站房工程实例,利用MIDAS GTS/NX和DL-SLOPE V1.0软件进行了数值模拟和边坡稳定性系数的计算,分析了基坑邻域存在的杂填土边坡与基坑开挖之间的相互作用。计算结果显示在杂填土边坡的作用下,支护桩桩身变形呈勺子状,沿着桩身呈现出先增大后减小的规律。支护结构在水平方向上呈现出阴角处变形量小,越往基坑壁中线靠近,变形量越大的规律,且杂填土边坡的存在加剧了支护结构的变形。通过两种坡形的对比,对边坡坡形进行了优化,为基坑工程的支护设计与施工提供了参考依据。
关键词 ：
坡形优化 坡形优化 基坑 基坑 稳定性分析 稳定性分析 邻域边坡 邻域边坡
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| GB/T 7714 | 周政 , 姚爱军 . 深基坑邻域杂填土边坡影响及坡形优化 [C] //第十二届全国边坡工程技术大会论文集 . 2020 . |
| MLA | 周政 et al. "深基坑邻域杂填土边坡影响及坡形优化" 第十二届全国边坡工程技术大会论文集 . (2020) . |
| APA | 周政 , 姚爱军 . 深基坑邻域杂填土边坡影响及坡形优化 第十二届全国边坡工程技术大会论文集 . (2020) . |
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