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旋挖钻机在砂砾岩层的钻进组合工艺研究及应用 被引量:2
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作者 何燕旺 《建筑技术开发》 2021年第3期31-33,共3页
我国旋挖钻机的生产应用已经越来越广泛,但在硬岩地层钻进过程中,经常遇到钻进困难、进尺工效低、机器故障率高、成本居高不下等问题,通过对旋挖钻机在砂砾岩层的钻进组合工艺进行具体分析和研究,以具体的工程施工案例为借鉴,进一步完... 我国旋挖钻机的生产应用已经越来越广泛,但在硬岩地层钻进过程中,经常遇到钻进困难、进尺工效低、机器故障率高、成本居高不下等问题,通过对旋挖钻机在砂砾岩层的钻进组合工艺进行具体分析和研究,以具体的工程施工案例为借鉴,进一步完善旋挖钻机在该类地层的钻进组合工艺应用。 展开更多
关键词 旋挖钻机 硬岩钻进 砂砾岩层 筒钻取芯
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河南省卢氏县楼房桐树沟砂砾岩层的时代对比
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作者 黄宪 《河南有色金属地质》 1992年第2期36-39,共4页
关键词 砾岩 砂砾岩层 时代 对比
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副斜井大厚度砂砾岩层注浆堵水方案探讨
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作者 王修瑞 刘杨 《能源技术与管理》 2021年第3期129-131,共3页
针对徐矿集团哈密能源有限公司大南湖西区五号井副斜井含水层为软岩大厚度砂砾岩、孔隙发育、涌水量大等实际情况,通过对16煤以上涌水点实施以化学浆为主、水泥-水玻璃双液浆为辅的壁后注浆堵水方案后,可减少矿井涌水量2280 m3/d,节约... 针对徐矿集团哈密能源有限公司大南湖西区五号井副斜井含水层为软岩大厚度砂砾岩、孔隙发育、涌水量大等实际情况,通过对16煤以上涌水点实施以化学浆为主、水泥-水玻璃双液浆为辅的壁后注浆堵水方案后,可减少矿井涌水量2280 m3/d,节约水处理费用和排水费用1202万元/a,经济效益巨大。 展开更多
关键词 砂砾岩层 堵水 钻孔注浆 松动圈 孔隙溶胶 隔水层 串浆跑浆
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白源主立井松散砂砾岩层壁后注浆堵漏
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作者 张福斌 《江西煤炭科技》 1992年第3期36-38,共3页
关键词 立井井筒 砂砾岩层 注浆 堵漏
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基于砂砾石地基灌浆的设计与施工 被引量:1
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作者 刘铁银 《黑龙江水利科技》 2016年第4期178-180,共3页
目前许多水库大坝的基础都是砂砾石层,而作为坝体的砂砾石层基础,需要具有可靠的防渗性、足够的耐压性和一定程度的均质性。但天然的砂砾石层大都是松散的,其颗粒间的绝对空隙尺寸大,孔隙率高,这些砂砾石层若作为坝体基础,必然是透水的... 目前许多水库大坝的基础都是砂砾石层,而作为坝体的砂砾石层基础,需要具有可靠的防渗性、足够的耐压性和一定程度的均质性。但天然的砂砾石层大都是松散的,其颗粒间的绝对空隙尺寸大,孔隙率高,这些砂砾石层若作为坝体基础,必然是透水的,并且基础的力学性能也不能满足其稳定的要求,所以作为坝体基础必须对其进行处理,改善它的各项性能。目前使用最广泛的手段是灌浆方法,其主要特点是:效果好,适用性强,施工较简单并且比较经济。 展开更多
关键词 砂砾岩层 地基灌浆 设计 施工方法 灌浆试验
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安徽齐云山丹霞地貌成因 被引量:35
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作者 朱诚 彭华 +9 位作者 李世成 黄林燕 郑朝贵 项伏生 孙毓飞 唐云松 胡济源 朱光辉 吕健君 程光华 《地理学报》 EI CSCD 北大核心 2005年第3期445-455,共11页
齐云山丹霞地貌主要发育于中白垩统小岩组K2x1红色砂砾岩层中,该区地貌发育主要受景德镇-祁门断裂带、江湾-街口挤压破裂带和开化-淳安褶断带三大断裂带控制。在白垩世该区经历了地块沉降,成为陆上的断陷湖盆,由此接受了巨厚的白垩系红... 齐云山丹霞地貌主要发育于中白垩统小岩组K2x1红色砂砾岩层中,该区地貌发育主要受景德镇-祁门断裂带、江湾-街口挤压破裂带和开化-淳安褶断带三大断裂带控制。在白垩世该区经历了地块沉降,成为陆上的断陷湖盆,由此接受了巨厚的白垩系红层堆积。在新构造运动中,该区经历了隆升过程,巨厚的白垩系沉积物变成了海拔500 ̄600m的山体。白垩系红色砂砾岩在经历了垂直节理发育、风化破坏阶段及剥蚀搬运阶段后,同时受岩性本身砂岩与砾岩在组分和结构上的影响,差异性风化剥蚀显著,因此形成了壮观的峰林、崖、洞、方山、城堡及天生桥景观。该区585m、400m和150m处的三级裂点,大致反映了该区新构造运动中三次主要的抬升过程。 展开更多
关键词 地貌成因 新构造运动 山丹 安徽 白垩系 砂砾岩层 丹霞地貌 地貌发育 断陷湖盆 破坏阶段 风化剥蚀 抬升过程 断裂带 白垩统 齐云山 景德镇 破裂带 白垩世 500 沉积物 差异性 天生桥 红色 岩组 地块 陆上 堆积 红层 山体
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陆良彩色沙林旅游地学与保护 被引量:2
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作者 沈权 《云南地质》 2003年第4期450-454,共5页
陆良彩色沙林为晚第三纪砂砾岩层中的溯源侵蚀冲沟地貌景观 ,世界罕见的自然奇观之一 ,具有较高的旅游和地理、地质研究价值。彩色沙林承继了陆良上亿年的地质发展史 ,淀积了 10亿年来的砂、砾、矿物等物质 ,而形成、发育在近 2Ma间 ,... 陆良彩色沙林为晚第三纪砂砾岩层中的溯源侵蚀冲沟地貌景观 ,世界罕见的自然奇观之一 ,具有较高的旅游和地理、地质研究价值。彩色沙林承继了陆良上亿年的地质发展史 ,淀积了 10亿年来的砂、砾、矿物等物质 ,而形成、发育在近 2Ma间 ,现仍处于缓慢发展阶段的溯源侵蚀冲沟中。彩色沙林景观应坚持“经营、建设、保护”并重的方针。 展开更多
关键词 彩色沙林 侵蚀冲沟 晚第三纪 砂砾岩层 旅游资源保护 陆良盆地
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Seismic sedimentology of conglomeratic sandbodies in lower third member of Shahejie Formation (Palaeogene) in Shengtuo area, East China 被引量:2
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作者 袁勇 张金亮 +2 位作者 李存磊 孟宁宁 李岩 《Journal of Central South University》 SCIE EI CAS 2014年第12期4630-4639,共10页
The sand-conglomerate fans are the major depositional systems in the lower third member of Shahejie Formation in Shengtuo area, which formed in the deep lacustrine environment characterized by steep slope gradient, ne... The sand-conglomerate fans are the major depositional systems in the lower third member of Shahejie Formation in Shengtuo area, which formed in the deep lacustrine environment characterized by steep slope gradient, near sources and intensive tectonic activity. This work was focused on the sedimentary feature of the glutenite segment to conduct the seismic sedimentology research. The near-shore subaqueous fans and its relative gravity channel and slump turbidite fan depositions were identified according to observation and description of cores combining with the numerous data of seismic and logging. Then, the depositional model was built depending on the analysis of palaeogeomorphology. The seismic attributes which are related to the hydrocarbon but relative independent were chosen to conduct the analysis, the reservoir area of the glutenite segment was found performing a distribution where the amplitude value is relatively higher, and finally the RMS amplitude attribute was chosen to conduct the attribute predicting. At the same time, the horizontal distribution of the sedimentary facies was analyzed qualitatively. At last, the sparse spike inversion method was used to conduct the acoustic impedance inversion, and the inversion result can distinguish glutenite reservoir which is greater than 5 m. This method quantitatively characterizes the distribution area of the favorable reservoir sand. 展开更多
关键词 Shengtuo area near-shore subaqueous fan gravity flow channel slump turbidite fan sedimentary mode acoustic impedance inversion
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Study on Character of Micro-Canal Deposit and Its Significance in Petroleum Geology——Case study of Tuo-147-well in north zone of Dongying depression 被引量:2
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作者 吴李泉 曹代勇 +1 位作者 刘里勤 刘艳华 《Journal of China University of Mining and Technology》 2003年第1期72-75,共4页
Exploration on reservoir of glutenite segment in steep slope zone of half graben-like basin is one of the hot spot targets at present and in the future for new reservoirs; And the study of sediment character of sandy-... Exploration on reservoir of glutenite segment in steep slope zone of half graben-like basin is one of the hot spot targets at present and in the future for new reservoirs; And the study of sediment character of sandy-conglomerate bodies is the keystone and also the difficult problem. Taking Tuo-147-well area in north zone of Dongying depression as an example, the micro-canal sedimentation was researched. The result shows that many micro-canals exist at the end of slope grain-flow in steep slope zone of half graben-like basin; The micro-canals grow at the end of subaqueous grain-flow deposited bodies of 3rd member of the Shahejie formation. The main condition of micro-canal formation is the slope angle less than 18° and a long suitable sedimentary slope. These micro-canals may communicate the reservoir of glutenite segment in steep slope zone and the hydrocarbon stratum as a bridge role. Therefore, it is significant in theory and practice for discovering a series of micro-canals at the end of slope grain-flow in steep slope zone of half graben-like basin. 展开更多
关键词 grain flow micro-canal SLOPE reservoir
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零星易涝地治理措施 被引量:2
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作者 王全生 张福更 《水利天地》 2001年第10期38-39,共2页
关键词 坡耕地 涝地 耕作土层 治理措施 填筑厚度 暗沟排水 火山灰 火山碎屑 砂砾岩层 暗管排水 承泄区
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Numerical Analysis on Soil and Rock Formation of Ancient Gravel Strata Around Nanjing 被引量:1
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作者 XIA JIA and CHEN XINMIN Dept. of Civil Engineering, Nanjing Architectural and Civil Engineering institute, Nanjing 210009 (China) 《Pedosphere》 SCIE CAS CSCD 2001年第3期263-269,共7页
Research samples were taken from an ancient gravel stratum which is not only a representative soil layer along the middle-lower reaches of the Yangtze River in East China, but also one of the primary Neozoic strata in... Research samples were taken from an ancient gravel stratum which is not only a representative soil layer along the middle-lower reaches of the Yangtze River in East China, but also one of the primary Neozoic strata in Naming district. Located mostly on the second and third terraces, the ancient gravel strata formed the geomorphic landscapes of terrace and step. They were complex in constitution, varied widely in stability, of multiple sources, locally derived, and associated with braided streams in the deposition environment. A CIPW (Cross, Iddings, Pirsson and Washington) method modified by the author was used to analyze the soil-rock-forming materials of finer grains (less than 2 mm in size) of the ancient gravel stratum. Results of the analysis showed that the sandy grains were composed of apatite, ilmenite, potassium feldspar, plagioclase, enstatite and free quartz, the clay mainly of kaolinite, and the cement of a combination of silicon, aluminum and iron at a ratio of 46:44:10. In the soil-rock-forming processes, including compactional solidification, water-stable illuviation-cementation t homogeneous overgrowth and so on, the loose soil-rock-forming components gradually changed into consolidated soil and further to the early stage of lithification. Meanwhile, from the analysis, we found that the ancient gravel stratum had been protected by the overlying Xiashu loess or basalt and the overloading resulted in overconsolidated strata. The modified CIPW method was applicable and effective for semi-quantitative analysis. 展开更多
关键词 ancient gravel stratum numerical analysis soil-rock-forming processes
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特殊地质条件下的立井施工
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作者 苗华 李公堂 郭学军 《现代矿业》 CAS 2011年第9期72-74,共3页
安钢集团舞阳矿业公司东风井在掘进施工过程中,井筒围岩变化较大,井筒掘进施工至标高+110 m水平以下时,断面岩层呈现为含水砂砾岩(砂岩)且有倾斜,裂隙水异常发育,涌水量最高时达40 m3/h,给施工带来诸多不利因素。通过采用弱爆破强支护... 安钢集团舞阳矿业公司东风井在掘进施工过程中,井筒围岩变化较大,井筒掘进施工至标高+110 m水平以下时,断面岩层呈现为含水砂砾岩(砂岩)且有倾斜,裂隙水异常发育,涌水量最高时达40 m3/h,给施工带来诸多不利因素。通过采用弱爆破强支护多循环分段施工方案,分流导水、小立模、短砌护施工,逐层爆破小周期掘进,壁后注浆堵水及和预注浆相结合的施工方式,取得了良好效果,为立井掘进及井筒支护施工积累了丰富的经验。 展开更多
关键词 立井掘进 砂砾岩层( 砂岩) 井壁涌水 多循环短砌护 分流导水 壁后注浆 预注浆
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Formation of X-shaped hydraulic fractures in deep thick glutenite reservoirs:A case study in Bohai Bay Basin,East China
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作者 LI Zhi-chao LI Lian-chong +7 位作者 WANG Shu-ren MA Shou ZHANG Zi-lin LI Ai-shan HUANG Bo ZHANG Liao-yuan WANG Zeng-lin ZHANG Quan-sheng 《Journal of Central South University》 SCIE EI CAS CSCD 2021年第9期2814-2829,共16页
Tight glutenite reservoirs are widely developed in Bohai Bay Basin,East China.They are mostly huge thick and rely on hydraulic fracturing treatment for commercial exploitation.To investigate the propagation behavior o... Tight glutenite reservoirs are widely developed in Bohai Bay Basin,East China.They are mostly huge thick and rely on hydraulic fracturing treatment for commercial exploitation.To investigate the propagation behavior of hydraulic fractures in these glutenite reservoirs,the geological feature of reservoirs in Bohai Bay Basin is studied firstly,including the reservoir vertical distribution feature and the heterogeneous lithology.Then,hydraulic fracturing treatments in block Yan 222 are carried out and the fracturing processes are monitored by the microseismic system.Results show the hydraulic fractures generated in the reservoirs are mostly in X shape.The cause of X-shaped hydraulic fractures in this study is mainly ascribed to(I)the reservoir heterogeneity and(II)the stress shadow effect of two close hydraulic fractures propagating in the same orientation,which is confirmed by the following numerical simulation and related research in detail.This study can provide a reference for the research on the fracturing behavior of the deep thick glutenite reservoirs. 展开更多
关键词 GLUTENITE hydraulic fracture X shape reservoir heterogeneity GRAVEL
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丹霞地貌
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《四川稀土》 2010年第3期F0004-F0004,共1页
丹霞地貌(Danxia landform)由陆相红色砂砾岩构成的具有陡峭坡面的各种地貌形态。形成的必要条件是砂砾岩层巨厚,垂直节理发育。因在中国广东省北部仁化县丹霞山有典型发育而得名。
关键词 丹霞地貌 砂砾岩层 地貌形态 垂直节理 丹霞山 仁化县 广东省 发育
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陇原山水撷英——黄河石林国家地质公园
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作者 李克平 黄万堂 《甘肃地质》 2015年第1期F0003-F0003,共1页
黄河石林国家地质公园位于甘肃省白银市景泰县境内,总面积约50平方千米,其中古石林群10平方公里。2004年1月被评为国家地质公园。园内包括饮马沟、蟠龙洞—观音崖、地湾三个主要景区。景区核心景观—古石林群形成于210万年前的第四系... 黄河石林国家地质公园位于甘肃省白银市景泰县境内,总面积约50平方千米,其中古石林群10平方公里。2004年1月被评为国家地质公园。园内包括饮马沟、蟠龙洞—观音崖、地湾三个主要景区。景区核心景观—古石林群形成于210万年前的第四系五泉山组灰黄色、灰紫色块状砂砾岩层,由于新构造运动,雨洪侵蚀及重力崩塌,形成许多高80-200米的峭壁、岩柱组成的峰林和峰丛。是一座集地质地貌、地质构造、自然景观和人文历史于—体的综合型地质公园。 展开更多
关键词 国家地质公园 石林 黄河 山水 自然景观 新构造运动 砂砾岩层 地质地貌
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