{"currentpage":1,"firstResult":0,"maxresult":10,"pagecode":5,"pageindex":{"endPagecode":5,"startPagecode":1},"records":[{"abstractinfo":"利用有限元强度折减法对某尾矿坝的边坡稳定性进行了计算,同时利用简化毕肖普法和瑞典圆弧法对该坝体的边坡稳定性进行了计算。通过对比分析,有限元强度折减法的计算值与考虑条块间作用力的简化毕肖普法的计算值基本一致,证明基于有限元理论的强度折减法的计算结果是合理的,其安全系数值可以作为该尾矿工程定量判断的依据。","authors":[{"authorName":"李宗伟","id":"d0fe360e-93f4-4ce7-81ab-441098b7358c","originalAuthorName":"李宗伟"},{"authorName":"马晶伟","id":"bec99b47-ab01-421e-aa7b-52594a68fb7f","originalAuthorName":"马晶伟"},{"authorName":"尹大娟","id":"7ed547d0-7e66-4574-b6c1-ca020762eff4","originalAuthorName":"尹大娟"}],"doi":"10.11792/hj20131017","fpage":"67","id":"4d85a920-0ece-42e8-b97a-cc5e3d363996","issue":"10","journal":{"abbrevTitle":"HJ","coverImgSrc":"journal/img/cover/HJ.jpg","id":"44","issnPpub":"1001-1277","publisherId":"HJ","title":"黄金"},"keywords":[{"id":"56f590d4-50ea-4891-a54e-0fb95605dfdd","keyword":"强度折减法","originalKeyword":"强度折减法"},{"id":"4d34f19d-f3ba-4482-97d2-7fa2818bf8ce","keyword":"尾矿坝","originalKeyword":"尾矿坝"},{"id":"acca1b1d-2ccf-4e36-bc21-037de1062455","keyword":"极限平衡法","originalKeyword":"极限平衡法"},{"id":"44be47f5-7467-451b-9204-35c98f98c370","keyword":"边坡稳定性","originalKeyword":"边坡稳定性"}],"language":"zh","publisherId":"huangj201310023","title":"强度折减法在某尾矿坝边坡稳定性分析中的应用","volume":"","year":"2013"},{"abstractinfo":"基于颗粒流离散元理论,利用fish语言编写强度折减系数的函数对边坡稳定性进行研究。通过研究宏微观参数之间的关系,参照传统的强度折减法,对颗粒的平行连接强度和摩擦因数进行折减。在有明显位移时,以累计位移作为边坡失稳的判断标准;无明显位移时,以不平衡力与接触力之间的比率作为计算结束标准。结合马鞍山铁矿2号露天采场具体情况,分别采用PFC2 D软件和bishop法计算了其安全系数,其结果分别是3.874和5.564,并对2种方法产生差异的原因进行了分析,可为PFC2 D中实现强度折减法的改进提供参考。","authors":[{"authorName":"彭博","id":"93ee4a54-784a-4265-a22b-5474065fe097","originalAuthorName":"彭博"},{"authorName":"陈玉明","id":"24dc81a1-91ee-4bb8-8432-36fe409d0b07","originalAuthorName":"陈玉明"},{"authorName":"袁利伟","id":"646bbbfc-b881-40ab-ae93-beaf509e541f","originalAuthorName":"袁利伟"}],"doi":"10.11792/hj20141210","fpage":"37","id":"8bca3107-f941-46ba-bf12-de89bd014154","issue":"12","journal":{"abbrevTitle":"HJ","coverImgSrc":"journal/img/cover/HJ.jpg","id":"44","issnPpub":"1001-1277","publisherId":"HJ","title":"黄金"},"keywords":[{"id":"ebc9fc27-6b9c-47a7-bdef-8b16d926d0b8","keyword":"PFC2D","originalKeyword":"PFC2D"},{"id":"787ff176-3377-4978-8ab9-ceba8d3e5ab8","keyword":"颗粒流","originalKeyword":"颗粒流"},{"id":"119a516e-bcb5-40f6-a662-419f73b52a82","keyword":"强度折减法","originalKeyword":"强度折减法"},{"id":"478ada9d-5d38-4723-a805-fd1040687be5","keyword":"露天矿山","originalKeyword":"露天矿山"},{"id":"2737febc-3e97-404a-bdf1-ce5cda706b08","keyword":"边坡稳定性","originalKeyword":"边坡稳定性"},{"id":"38743964-df5b-4161-a150-dc9889507bdb","keyword":"安全系数","originalKeyword":"安全系数"}],"language":"zh","publisherId":"huangj201412013","title":"基于 PFC2 D马鞍山铁矿2号露天采场边坡稳定性分析","volume":"","year":"2014"},{"abstractinfo":"保持边坡稳定是露天矿生产经营的一项重要内容。为确定双利铁矿2号露天采场扩帮后的最终边坡角,通过运用FLAC3D软件建模分析边坡的应力分布、位移移动趋势、弹塑性区分布以及有限元强度折减法计算边坡的安全系数,从而确定合理的边坡角,并为后期边坡的监测提供参考依据。","authors":[{"authorName":"黄堃","id":"18925d46-848a-4d29-a23d-90a0a57209c4","originalAuthorName":"黄堃"},{"authorName":"张飞","id":"5ea63c61-e327-4fa7-9f2d-481c58fc64eb","originalAuthorName":"张飞"},{"authorName":"刘永利","id":"bfbc146a-9b89-468e-a259-19d0d126c6b3","originalAuthorName":"刘永利"},{"authorName":"马跃","id":"347e2a28-4b7e-4a7a-ab5f-a9b42c367610","originalAuthorName":"马跃"},{"authorName":"安振华","id":"0b7d492f-bef1-401a-bde0-32ad929be2dd","originalAuthorName":"安振华"}],"doi":"10.11792/hj20141110","fpage":"46","id":"b8643d42-25a0-4577-86fa-6538b4095f07","issue":"11","journal":{"abbrevTitle":"HJ","coverImgSrc":"journal/img/cover/HJ.jpg","id":"44","issnPpub":"1001-1277","publisherId":"HJ","title":"黄金"},"keywords":[{"id":"63521726-603c-4035-82bf-ddd17dcf4989","keyword":"露天开采","originalKeyword":"露天开采"},{"id":"1c0bbeca-bc6b-4065-bb7c-29785d7d9d58","keyword":"边坡稳定性","originalKeyword":"边坡稳定性"},{"id":"e45761d4-cac7-43a1-ba86-25abd2781989","keyword":"强度折减法","originalKeyword":"强度折减法"},{"id":"e2b50d7e-1674-4cfc-a5ca-47a1f41cac38","keyword":"FLAC3D","originalKeyword":"FLAC3D"}],"language":"zh","publisherId":"huangj201411010","title":"双利铁矿2号露天采场扩帮后西半帮边坡稳定性分析","volume":"","year":"2014"},{"abstractinfo":"采用板状刚玉、电熔白刚玉、工业氧化铬微粉、α-Al2O3微粉、Secar71水泥、烧结尖晶石粉为原料,研究了水泥、α-Al2O3微粉、氧化铬微粉、尖晶石粉以及烧成温度对低水泥刚玉基浇注料高温抗折强度的影响.研究结果表明:烧成温度、水泥、尖晶石和α-Al2O3微粉对低水泥刚玉基浇注料的高温抗折强度影响较大.烧后膨胀越大,高温抗折强度越低;1700 ℃烧后试样的高温抗折强度高于1600 ℃烧后试样的高温抗折强度;控制加热永久线变化率,添加合适的水泥、α-Al2O3微粉和粒度细的尖晶石粉可以得到高温抗折强度高的试样.","authors":[{"authorName":"金从进","id":"1b8ab636-c2c4-40bc-9344-0a8e89c8cbdb","originalAuthorName":"金从进"},{"authorName":"李泽亚","id":"52fee2bd-c82d-4a1a-a8a5-2096a0309426","originalAuthorName":"李泽亚"}],"doi":"10.3969/j.issn.1001-1935.2006.05.013","fpage":"366","id":"14a05761-6a5b-490d-95d5-1ebc9509d46a","issue":"5","journal":{"abbrevTitle":"NHCL","coverImgSrc":"journal/img/cover/NHCL.jpg","id":"55","issnPpub":"1001-1935","publisherId":"NHCL","title":"耐火材料 "},"keywords":[{"id":"285c1490-2e9e-4d59-8f52-f428a8a8e3ac","keyword":"高温抗折强度","originalKeyword":"高温抗折强度"},{"id":"757fb4f1-b39e-4e9f-bd8d-844e94ac6296","keyword":"低水泥","originalKeyword":"低水泥"},{"id":"be45ced1-d6c9-4b06-90b6-3dfda1aff699","keyword":"刚玉浇注料","originalKeyword":"刚玉浇注料"}],"language":"zh","publisherId":"nhcl200605013","title":"低水泥刚玉浇注料的高温抗折强度研究","volume":"40","year":"2006"},{"abstractinfo":"以两种不同碳含量的MgO-C耐火材料为研究对象,对试验测得的抗折强度数据采用Weibull函数进行统计分析,并结合试样的断口形貌研究了MgO-C耐火材料的抗折强度分布规律.结果表明:MgO-C耐火材料的抗折强度服从Weibull分布;增大材料的致密度和石墨含量能够降低MgO-C耐火材料抗折强度的离散性,提高强度的可靠性.","authors":[{"authorName":"朱青友","id":"17f725d7-8859-4ee7-9d58-602da4284b25","originalAuthorName":"朱青友"},{"authorName":"员文杰","id":"cec39f81-2fdd-4f6c-b48f-41bb4a46432f","originalAuthorName":"员文杰"},{"authorName":"祝洪喜","id":"5b6fe301-3372-4b32-ac7e-4f7d7b8c754d","originalAuthorName":"祝洪喜"},{"authorName":"邓承继","id":"f1d3ba93-d847-4d19-8983-6c71a8794231","originalAuthorName":"邓承继"}],"doi":"","fpage":"344","id":"838f8805-4718-400a-8576-3db03cfdab85","issue":"5","journal":{"abbrevTitle":"NHCL","coverImgSrc":"journal/img/cover/NHCL.jpg","id":"55","issnPpub":"1001-1935","publisherId":"NHCL","title":"耐火材料 "},"keywords":[{"id":"845f917c-f6f1-4d81-aa08-f2f517ee634b","keyword":"MgO-C耐火材料","originalKeyword":"MgO-C耐火材料"},{"id":"a3e47d4f-b222-4003-bbc9-908b6b158066","keyword":"抗折强度","originalKeyword":"抗折强度"},{"id":"a1cdcc10-c606-441d-a8ab-930abe3d07f2","keyword":"Weibull模量","originalKeyword":"Weibull模量"},{"id":"ee1eaec8-eadd-426e-9d85-fe2cd7accd15","keyword":"显微结构","originalKeyword":"显微结构"}],"language":"zh","publisherId":"nhcl201205007","title":"MgO-C耐火材料抗折强度分布规律的研究","volume":"46","year":"2012"},{"abstractinfo":"以两种不同碳含量的MgO-C耐火材料为研究对象,对试验测得的抗折强度数据采用Weibull函数进行统计分析,并结合试样的断口形貌研究了MgO-C耐火材料的抗折强度分布规律.结果表明:MgO-C耐火材料的抗折强度服从Weibull分布;增大材料的致密度和石墨含量能够降低MgO-C耐火材料抗折强度的离散性,提高强度的可靠性.","authors":[{"authorName":"朱青友","id":"dd0a6bce-a2bd-4c1b-bc67-f3a9547733ca","originalAuthorName":"朱青友"},{"authorName":"员文杰","id":"e7157708-0118-44f2-b160-16c39496ac6e","originalAuthorName":"员文杰"},{"authorName":"祝洪喜","id":"f12d3c7d-b0ee-49d1-bdea-f57c838c0d33","originalAuthorName":"祝洪喜"},{"authorName":"邓承继","id":"3a7f6656-8748-4f20-bb0d-7383c8deaa8d","originalAuthorName":"邓承继"}],"doi":"","fpage":"344","id":"ce39f237-71f3-4f00-8dfd-90ffebf5bc4e","issue":"5","journal":{"abbrevTitle":"NHCL","coverImgSrc":"journal/img/cover/NHCL.jpg","id":"55","issnPpub":"1001-1935","publisherId":"NHCL","title":"耐火材料 "},"keywords":[{"id":"225ee5be-2248-4ab6-a6ad-6f24cefc65c7","keyword":"MgO-C耐火材料","originalKeyword":"MgO-C耐火材料"},{"id":"3a1bedf9-ad73-47b8-abae-75ea5e5e8d9b","keyword":"抗折强度","originalKeyword":"抗折强度"},{"id":"4361cf51-b727-4b11-8132-ba9637be850d","keyword":"Weibull模量","originalKeyword":"Weibull模量"},{"id":"64770706-e1ba-4fc3-8d20-6a77d1dad483","keyword":"显微结构","originalKeyword":"显微结构"}],"language":"zh","publisherId":"nhcl201205007","title":"MgO-C耐火材料抗折强度分布规律的研究","volume":"46","year":"2012"},{"abstractinfo":"以两种不同碳含量的MgO-C耐火材料为研究对象,对试验测得的抗折强度数据采用Weibull函数进行统计分析,并结合试样的断口形貌研究了MgO-C耐火材料的抗折强度分布规律.结果表明:MgO-C耐火材料的抗折强度服从Weibull分布;增大材料的致密度和石墨含量能够降低MgO-C耐火材料抗折强度的离散性,提高强度的可靠性.","authors":[{"authorName":"朱青友","id":"fdff5a11-eb88-4371-b8e9-cb8ef333b5b3","originalAuthorName":"朱青友"},{"authorName":"员文杰","id":"3fb5bd35-d732-45f0-b277-661018b0e939","originalAuthorName":"员文杰"},{"authorName":"祝洪喜","id":"315fdc91-3a51-4fe4-8c6b-a529416853e8","originalAuthorName":"祝洪喜"},{"authorName":"邓承继","id":"74d08fbd-e7c5-44e7-9d67-f34948131732","originalAuthorName":"邓承继"}],"doi":"","fpage":"344","id":"e2f26731-d4f0-4474-975c-c82f958ce3ba","issue":"5","journal":{"abbrevTitle":"NHCL","coverImgSrc":"journal/img/cover/NHCL.jpg","id":"55","issnPpub":"1001-1935","publisherId":"NHCL","title":"耐火材料 "},"keywords":[{"id":"5f61aceb-273b-409e-b527-6b07a3a2d913","keyword":"MgO-C耐火材料","originalKeyword":"MgO-C耐火材料"},{"id":"72055e6d-97ed-4fd1-ba23-0e95f5e98ce7","keyword":"抗折强度","originalKeyword":"抗折强度"},{"id":"a15edb65-544c-46d9-9662-8d9e01d66213","keyword":"Weibull模量","originalKeyword":"Weibull模量"},{"id":"8046edba-b7cb-404d-9b26-924254ec0e2e","keyword":"显微结构","originalKeyword":"显微结构"}],"language":"zh","publisherId":"nhcl201205007","title":"MgO-C耐火材料抗折强度分布规律的研究","volume":"46","year":"2012"},{"abstractinfo":"考察了熟石灰、三聚氰胺、聚乙烯醇、反应助剂等外加剂对建筑石膏制品抗折强度和表面硬度的影响.结果表明,熟石灰添加量在0~10%时,随着熟石灰添加量增加,硬化浆体的抗折强度随之稍有降低,但表面硬度随之增大.三聚氰胺添加量为2%时,建筑石膏硬化浆体的抗折强度最高.三聚氰胺添加量为4%时,建筑石膏硬化浆体的表面硬度最高.聚乙烯醇的适宜添加量为0.8%.反应助剂的添加量大于3%时,建筑石膏硬化浆体抗折强度和表面硬度随反应助剂添加量的增加呈现出相反的变化趋势.SEM表明,外加剂使二水石膏晶体的形貌和排列发生了明显的变化,微观结晶体以针状和柱状为主,晶体间相互紧密搭接构成致密的网状结构,且晶体排列整齐,气孔分布均一,试样抗折强度和表面硬度均比较高.","authors":[{"authorName":"孟丽丰","id":"862a21a2-eedb-448c-bbe8-2e02d921d33a","originalAuthorName":"孟丽丰"},{"authorName":"刘东辉","id":"ef51a16d-5b95-4866-93b8-3472a826948b","originalAuthorName":"刘东辉"},{"authorName":"王传平","id":"bbc43625-f086-47e5-843a-3357c91dda56","originalAuthorName":"王传平"}],"doi":"","fpage":"919","id":"4bab2512-f2e3-427f-b74f-0aac41d0bbb6","issue":"5","journal":{"abbrevTitle":"GSYTB","coverImgSrc":"journal/img/cover/GSYTB.jpg","id":"36","issnPpub":"1001-1625","publisherId":"GSYTB","title":"硅酸盐通报 "},"keywords":[{"id":"5b318256-b7d9-4249-a8d9-4ef757a98ed4","keyword":"建筑石膏","originalKeyword":"建筑石膏"},{"id":"dd1a32a3-8f18-467c-9003-f94fde6f0567","keyword":"抗折强度","originalKeyword":"抗折强度"},{"id":"affd6b33-78f5-4aff-9fe1-30dadf32f1d4","keyword":"表面硬度","originalKeyword":"表面硬度"}],"language":"zh","publisherId":"gsytb200905011","title":"提高建筑石膏抗折强度和表面硬度的研究","volume":"28","year":"2009"},{"abstractinfo":"本文采用四因素三水平正交设计表,研究了不同加入量电熔镁砂(0.2~0 mm)(质量百分含量,下同)(0%、3%、6%)、α-Al2O3微粉(0.044 mm,5%、8%、10%)、电熔镁砂细粉(0.044 mm,2%、4%、6%)和Cr2 O3细粉(0.044mm,0%、1%、2%)对中间包镁质透气砖高温抗折性能的影响.研究结果表明:在实验条件下,四种材料对镁质透气砖高温抗折强度的影响大小顺序是:电熔镁砂(0.2 ~0 mm)>工业氧化铬粉>电熔镁砂细粉>α-Al2 O3微粉;其中(0.2~0 mm)电熔镁砂和Cr2O3粉对镁质透气砖的高温抗折强度有显著的影响,电熔镁砂细粉对镁质透气砖的高温抗折强度有一定的影响,而α-Al2O3微粉的影响则很小.从镁质透气砖的高温抗折强度来考虑:方案A3B2C2D2为最佳的方案.","authors":[{"authorName":"游杰刚","id":"223ceca9-13c5-485a-beed-98b35d6049bd","originalAuthorName":"游杰刚"},{"authorName":"张国栋","id":"ca0d9962-3c25-4ff6-819a-5156beabfad7","originalAuthorName":"张国栋"},{"authorName":"张玲","id":"b8ed8057-d0b3-44ee-9c16-ba9c5b97e1e1","originalAuthorName":"张玲"},{"authorName":"陈英","id":"19b2ca53-23c4-4eab-8f6f-b34f20205097","originalAuthorName":"陈英"},{"authorName":"郑玉","id":"73697117-e35b-4bf9-93c4-386d6e22328c","originalAuthorName":"郑玉"},{"authorName":"蒋闯","id":"e1a7b6db-14d3-414f-8b05-0e38dede8412","originalAuthorName":"蒋闯"}],"doi":"","fpage":"140","id":"55c06f97-6fee-4040-b572-b21a728d3023","issue":"1","journal":{"abbrevTitle":"GSYTB","coverImgSrc":"journal/img/cover/GSYTB.jpg","id":"36","issnPpub":"1001-1625","publisherId":"GSYTB","title":"硅酸盐通报 "},"keywords":[{"id":"6959be5e-c0a2-489e-bdd2-319eb6469764","keyword":"弥散型透气砖","originalKeyword":"弥散型透气砖"},{"id":"7d6f5847-3d9c-4b27-9cf5-ddad3f3dd5fd","keyword":"高温抗折强度","originalKeyword":"高温抗折强度"},{"id":"899d9999-bab5-4af4-990a-264e71fea178","keyword":"气幕挡墙","originalKeyword":"气幕挡墙"},{"id":"6ed3d9f0-aa14-4400-84c7-50b8036ee019","keyword":"中间包","originalKeyword":"中间包"},{"id":"3999f9cd-c061-4248-8be4-5118f78198b9","keyword":"镁质耐火材料","originalKeyword":"镁质耐火材料"}],"language":"zh","publisherId":"gsytb201201030","title":"镁质弥散型透气砖高温抗折强度的研究","volume":"31","year":"2012"},{"abstractinfo":"针对GB/T 22459.4-2008耐火泥浆冷态抗折粘接强度试验中两砖之间泥浆接缝宽度很难控制在2 mm左右的缺点,制作了悬挂式砖缝宽度辅助仪.该仪器主要由底座平台、支撑构架和夹持夹头三部分组成,在试验过程中能有效地将泥浆接缝宽度控制在2 mm左右,提高了检测结果的精密度与准确度,效果良好.","authors":[{"authorName":"魏招锴","id":"e21c5062-1068-4702-8cb8-2d7d6111ee6c","originalAuthorName":"魏招锴"},{"authorName":"黄继平","id":"3964365a-5bd3-46ac-b877-39d85890535d","originalAuthorName":"黄继平"},{"authorName":"陈泽平","id":"8bea7370-053b-4a7c-8d83-f0ad63cc82c6","originalAuthorName":"陈泽平"},{"authorName":"黄云华","id":"43a7edc2-0199-4ec6-8f5f-3d825c237085","originalAuthorName":"黄云华"}],"doi":"10.3969/j.issn.1001-1935.2010.05.019","fpage":"388","id":"7ab706ce-0cfb-49e6-9a57-2f31e652da7e","issue":"5","journal":{"abbrevTitle":"NHCL","coverImgSrc":"journal/img/cover/NHCL.jpg","id":"55","issnPpub":"1001-1935","publisherId":"NHCL","title":"耐火材料 "},"keywords":[{"id":"07e74563-d66a-4346-944e-908dd8966d44","keyword":"耐火泥浆","originalKeyword":"耐火泥浆"},{"id":"7484c49f-1fa5-4dd3-99cd-2fe61b699e1c","keyword":"悬挂式砖缝宽度辅助仪","originalKeyword":"悬挂式砖缝宽度辅助仪"},{"id":"536b36ea-9502-4aec-9fe7-01e0a199ff61","keyword":"冷态抗折粘接强度","originalKeyword":"冷态抗折粘接强度"},{"id":"dfc801ed-e3b6-4022-8e59-cdfdee9697e5","keyword":"接缝宽度","originalKeyword":"接缝宽度"}],"language":"zh","publisherId":"nhcl201005019","title":"耐火泥浆冷态抗折粘接强度试验中接缝宽度的控制","volume":"44","year":"2010"}],"totalpage":3113,"totalrecord":31125}