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ENHANCE THE PROPERTIES OF CONCRETE USING WASTE MATERIALS 利用废料提高混凝土的性能
Pub Date : 2019-08-30 DOI: 10.23883/ijrter.2019.5075.gltq6
Kalpana Sutrakar, Er. Vinod kumar modi
In this study waste sawdust ash and rice husk ash were used. Sawdust ash was use as partial replacement of cement at 10%, 20%, and 30% by weight in concrete mix. Rice husk ash was use as partial replacement of cement at 10% and 20% by weight in concrete mix. A total 15 number of concrete mix was prepared, in each mix 12 cubes of size 150 x 150 x 150 mm and 4 cylinder of size 100 x 200 mm were prepared. Compressive and splitting tensile strength of concrete mix was increasing at 10% replacement of saw dust ash with respect to control mix. At 20 and 30% replacement strength was decreasing. Compressive and tensile strength of concrete mix was decreasing as increasing rice husk ash percentages.
本研究以废木屑灰分和废稻壳灰分为原料。在混凝土配合比中,以10%、20%和30%的木屑灰部分替代水泥。稻壳灰在混凝土配合比中分别以10%和20%的重量部分替代水泥。共配制了15份混凝土配合比,每份配合比配制了12个尺寸为150 × 150 × 150 mm的立方体和4个尺寸为100 × 200 mm的圆柱体。当锯末灰掺入量为10%时,混凝土的抗压强度和劈裂抗拉强度均较对照料有所提高。在20%和30%时,替代强度逐渐降低。随着稻壳灰分掺量的增加,混凝土的抗压强度和抗拉强度逐渐降低。
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引用次数: 0
A STUDY ON EFFECT OF ACID ATTACK ON STRENGTH AND DURABILITY OF FRC WITH PARTIAL REPLACEMENT OF CEMENT WITH MARBLE DUST 酸侵蚀对大理石灰部分替代水泥的FRC强度和耐久性影响的研究
Pub Date : 2019-08-30 DOI: 10.23883/ijrter.2019.5071.7gldn
R. Chouhan, Er. Mahendra Saini
Abstract: Concrete is the base of any construction, without concrete no construction could ever exist. Concrete consists of Cement, Sand (Fine Aggregate), Gravels (Coarse Aggregate), Water, Admixtures, Additives. In this study partial replacement of cement is done by Marble Dust in certain percentage (10%) replacement and with addition of various percentages of polypropylene fiber (0%, 0.5%, 1%, 1.5%& 2%) in concrete.
摘要:混凝土是任何建筑的基础,没有混凝土就没有任何建筑。混凝土由水泥、沙子(细骨料)、砾石(粗骨料)、水、外加剂、添加剂组成。在本研究中,水泥的部分替代是用大理石粉替代一定比例(10%)的水泥,并在混凝土中添加不同比例的聚丙烯纤维(0%、0.5%、1%、1.5%和2%)。
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引用次数: 2
A Statistical Data Analysis of Road Traffic and Road Accident Analysis of pink City Jaipur 粉红城市斋浦尔道路交通统计数据分析及道路事故分析
Pub Date : 2019-08-30 DOI: 10.23883/ijrter.2019.5076.ltadg
Digvijay Singh, Deepak Mathur
The roads of Jaipur city are tight and intruded by further activities. Bus amenities in precise have worsened, and their competence and service quality have deteriorated, prompting commuters to personalize mode and IPL. This not only restricts the traffic flow, but also endangers the lives of road users. The total number of fatal accidents as well as related accidents in the city has been increasing over the years. People killed per 100 accidents during the year 2018 are alarmingly high, as many as 28. Pedestrian deaths are also very high as a percentage of road accidents. During current years, they found more than 85% of all road deaths. BLOS is essentiallyanorderingproblematic and cluster analysis is considered the utmost appropriate technique to solve this classification problem. The ASW is calculated for each clustering technique to associate between clustering techniques and find the best clustering method. K-Mean cluster analysis is establish to be the utmost appropriate technique in significant BLOS limits for the level of service kinds of urban roads in the Indian context.
斋浦尔市的道路很紧,而且受到进一步活动的干扰。公共汽车的便利设施恶化,服务能力和服务质量下降,促使通勤者个性化模式和IPL。这不仅限制了交通流量,而且危及道路使用者的生命。近年来,该市的致命事故和相关事故总数一直在增加。2018年,每100起事故中死亡人数高得惊人,高达28人。行人死亡在道路交通事故中所占的比例也很高。近年来,他们发现了所有道路死亡人数的85%以上。BLOS本质上是一个排序问题,聚类分析被认为是解决这个分类问题的最合适的技术。对每种聚类技术计算ASW,以便在聚类技术之间进行关联,找到最佳聚类方法。k -均值聚类分析被确定为在印度背景下城市道路服务类型水平的显著BLOS限制中最合适的技术。
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引用次数: 0
Numerical and Experimental investigation of heat transfer of triangular ribs in divergent duct 三角肋在发散管中的传热数值与实验研究
Pub Date : 2019-08-30 DOI: 10.23883/ijrter.2019.5073.iwmp4
Renu Y. Yeoikar, S. Bhosale, H. Deshpande
In this work, numerical and experimental investigation has been carried out to obtain detailed heat transfer distributions for a diverging channel with and without enhancement features. The cooling configurations considered include rib turbulators of triangular cross section on the main heat transfer surface. All of the measurements are presented at a range of Reynolds number from 6560 to 13100. Pressure drop measurements for the overall channel are also presented to evaluate the heat transfer enhancement geometry with respect to the pumping power requirements. Various geometrical parameters such as angle of attacks of ribs (90, 45 & 30), rib spacing i.e.(P/e= 6,8,10,12), rib heights (e=3, 4,5,6mm), and comparison of triangular shaped rib with square shaped rib for the same boundary conditions have been studied numerically for the different heater inputs. This numerical analysis of the results shows that the triangular ribs oriented at 45 angle of attack, with P/e=8 and with rib height of 3mm provides significantly higher heat transfer performance than plain plate. It is concluded that there is increase in thermal performance of 20% to 30% by the use of triangular ribs.
本文通过数值和实验研究,获得了具有和不具有增强特征的发散通道的详细传热分布。所考虑的冷却结构包括在主传热面上三角形截面的肋形紊流器。所有的测量都是在雷诺数从6560到13100的范围内提出的。还提出了对整个通道的压降测量,以评估相对于泵送功率要求的传热增强几何形状。不同的几何参数,如肋的攻角(90,45和30),肋间距,即(P/e= 6,8,10,12),肋高度(e= 3,4,5,6mm),以及三角形肋与方形肋在相同边界条件下的比较,已经对不同的加热器输入进行了数值研究。数值分析结果表明,45迎角三角形肋板、P/e=8、肋高为3mm的肋板传热性能明显优于普通板。结果表明,采用三角形肋板可使热工性能提高20% ~ 30%。
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引用次数: 0
Satellite Image retrival based on sensitive content method 基于敏感内容方法的卫星图像检索
Pub Date : 2019-08-30 DOI: 10.23883/ijrter.2019.5074.89eea
Ajitesh Yadav, R. R. sedemkar, H. Patil
-The satellite cloud image is a valuable source of information in weather forecasting and early prediction of different atmospheric disturbances such as typhoons, hurricanes etc. Due to the increased number and resolutions of the Earth imaging sensors and image acquisition techniques, the satellite image data is growing enormously which makes it difficult to store and manage. The traditional image retrieval technique is inefficient in retrieving these images. Content-based image retrieval is an approach from data mining community which provides the solution of managing this huge quantity of data. In this research, a Content-Based Image Retrieval (CBIR) system has been applied on Geospatial Images of fire and forest, Clutter and water, cyclone and water etc. Geospatial images are processed using K-means clustering algorithms to obtain a highdimensional feature vector. The Feature vectors include HSV Histogram, LAB features, color autocorrelation, color moments, Gabor features. Then Train a KNN classifier using those features using different distance metrics. The images and the extracted feature vectors are stored in the database. Distance metric is used to compute the similarity between the images. The system is robust as it provides search based on the multiple features. The performance of the system was evaluated by analyzing the retrieval results using precision. Many past result was evaluated and based on that results and method the aim was to find the best outcome among all.
-卫星云图是天气预报和早期预测不同大气扰动(如台风、飓风等)的宝贵资料来源。由于地球成像传感器的数量和分辨率的提高以及图像采集技术的发展,卫星图像数据不断增长,这给存储和管理带来了很大的困难。传统的图像检索技术在检索这些图像时效率低下。基于内容的图像检索是数据挖掘界提出的一种方法,为管理海量数据提供了解决方案。本研究将基于内容的图像检索(CBIR)系统应用于火灾与森林、杂波与水、气旋与水等地理空间图像。利用k均值聚类算法对地理空间图像进行处理,得到高维特征向量。特征向量包括HSV直方图、LAB特征、颜色自相关、颜色矩、Gabor特征。然后使用这些特征使用不同的距离度量来训练KNN分类器。图像和提取的特征向量存储在数据库中。使用距离度量来计算图像之间的相似度。该系统提供基于多种特征的搜索,具有较强的鲁棒性。通过对检索结果的精度分析,评价了系统的性能。评估了许多过去的结果,并基于这些结果和方法,目的是在所有结果中找到最佳结果。
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引用次数: 0
A STUDY ON PARTIAL REPLACEMENT OF SAND WITH SANDSTONE POWDER AND COMPARATIVE ANALYSIS OF MECHANICAL PROPERTIES OF CONCRETE FOR M30 GRADE 砂岩粉部分替代砂石及m30级混凝土力学性能对比分析研究
Pub Date : 2019-08-30 DOI: 10.23883/ijrter.2019.5072.ghezx
P. Agarwal, M. Saini, Rohan Bhomia
-In this study, For M30 grade concrete, sand was replaced by sandstone powderfrom 5% to 30% at the interval of 5%.The factorson which control mix design and unified mixes were tested and related were workability, flexural strength,compressive strength,split tensile strength, densityand water absorption. For concrete cubes, beams and cylinders in hardened state, compressive strength, flexural strength, split tensile strength, water absorption and density tests were performed whereas workability test was done for concrete in fresh state. The effective utilization of the sandstone powder in concrete could help in reducing substantial amount of landfill problem, it could facilitate in easing off the burden of excessive mining of natural river sand from the rivers and also offer animportantresource of accompanyingfine aggregate castoff in the manufacture of cement concrete causative to the general sustainability.
在本研究中,对于M30级混凝土,砂以5% ~ 30%的砂岩粉代替,间隔为5%。对控制配合比设计和统一配合比的因素进行了试验,并与和易性、抗弯强度、抗压强度、劈裂抗拉强度、密度和吸水率进行了比较。对混凝土立方体、梁和圆柱体进行硬化状态下的抗压强度、抗弯强度、劈裂抗拉强度、吸水率和密度试验,对新鲜状态下的混凝土进行和易性试验。砂岩粉料在混凝土中的有效利用,有助于减少大量的垃圾填埋问题,有助于减轻河流天然河砂的过度开采负担,也为水泥混凝土生产中伴随的细骨料废料提供了重要的资源,对总体可持续发展具有重要意义。
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引用次数: 0
Face Recognition for Smart Classroom Attendance Management System using Computer Vision 基于计算机视觉的智能课堂考勤管理系统人脸识别
Pub Date : 2019-07-30 DOI: 10.23883/ijrter.2019.5067.ocgg5
Shaif Jawed
Classroom attendance is one of the most challenging task for a teacher since its time consuming and burdensome. It plays an important role for the students as well as the institution to ensure that the students are attending school/college regularly. Nowadays teachers are obligated to take attendance via roll call or by signing the attendance sheet which ends up wasting a tiny fraction of time during the teaching process, not to mention there are always possibilities of proxy. The proposed system presents an automatic classroom attendance system which is used to mark attendance through video face recognition using computer vision to reduce wastage of time between teachings and manage the records of students automatically and effectively. Keywords— Face recognition, class attendance, smart classroom, OpenCV, machine learning,
课堂出勤是教师最具挑战性的任务之一,因为它既耗时又繁重。确保学生按时上学对学生和学校都起着重要的作用。现在教师有义务通过点名或签名考勤表来考勤,这最终浪费了教学过程中的一小部分时间,更不用说总是有代理的可能性。本系统提出了一种基于计算机视觉的自动考勤系统,通过视频人脸识别来进行考勤,减少了课间时间的浪费,并对学生的记录进行了自动有效的管理。关键词:人脸识别,考勤,智能课堂,OpenCV,机器学习,
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引用次数: 0
RISK MANAGEMENT IN CONSTRUCTION PROJECTS – MATERIALS AND MATERIAL MANAGEMENT 建筑项目的风险管理。材料和材料管理
Pub Date : 2019-07-30 DOI: 10.23883/ijrter.2019.5061.krmv8
Rajesh Naik., Basavaraj S.Balapgol
Construction projects are facing a greater number of uncertainties and more severe risks, which could cause negative impact on project such as time, cost and quality, resulting losses in project. This study focuses on the risk management in construction project with respect to materials and material management, wherein six major ongoing projects in Goa were selected for case studies. The Four main objectives of this study were to identify key risk factors, Identify risk frequency & risk impact, Categories risk and suggest remedial measures to overcome these risks. This study will be based on findings of a questionnaire-based survey, the questionnaires will be designed / prepared based on the knowledge obtained from the relevant literature reviews and in consultation with the project managers / heads of construction sites. All the questionnaires are self assessed and use a Likert scale to measure risk factor by obtaining rating on the basis of likelihood from the Project Engineering team. Key wordsRisk Management, Risk identification, Risk Classification, Risk categorization, Remedial measures
建设项目面临的不确定因素较多,风险较大,会对项目造成时间、成本、质量等方面的负面影响,造成项目损失。本研究的重点是在建筑项目的风险管理方面的材料和材料管理,其中六个主要的正在进行的项目在果阿选择个案研究。本研究的四个主要目标是确定关键风险因素,确定风险频率和风险影响,对风险进行分类,并建议克服这些风险的补救措施。本研究将以问卷调查的结果为基础,问卷将根据从相关文献综述中获得的知识,并与建筑工地的项目经理/负责人协商,设计/编制。所有的问卷都是自我评估的,并使用李克特量表通过从项目工程团队获得基于可能性的评级来测量风险因素。关键词风险管理,风险识别,风险分类,风险分类,补救措施
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引用次数: 0
Speech Based Emotion Recognition 基于语音的情感识别
Pub Date : 2019-07-30 DOI: 10.23883/ijrter.2019.5069.se0h6
Preeti Chawaj, S. R. Khot
This paper presents a method to identify the emotion of an audio segment with an intention to recognize human emotional/mental status. Four features namely energy, pitch, Formants, Mel frequency cepstral coefficients (MFCC) and their derivatives are used to recognize emotions such as fear, anger, happiness and sadness. PCA is used to reduce the feature dimensionality. Support vector machine is implemented to perform the emotional state classification. The overall recognition rate obtained is 84.99% using samples of Berlin emotional speech database. Keywords—MFCC, Formants, Pitch, Energy, PCA, Support Vector Machine (SVM)
本文提出了一种识别音频片段情感的方法,旨在识别人类的情感/精神状态。利用能量、音高、共振峰、频率倒谱系数(MFCC)及其衍生物四个特征来识别恐惧、愤怒、快乐和悲伤等情绪。采用主成分分析法对特征进行降维。采用支持向量机进行情绪状态分类。使用柏林情感语音数据库的样本,得到的整体识别率为84.99%。关键词:mfcc,共振峰,基音,能量,主成分分析,支持向量机
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引用次数: 0
EXPERIMENTAL STUDY OF PARTIAL REPLACEMENT OF NATURAL AGGREGATES AND BITUMEN WITH RECLAIMED ASPHALT PAVEMENT AND WASTE PLASTIC IN FLEXIBLE PAVEMENT – A REVIEW 再生沥青路面和废塑料在柔性路面中部分替代天然骨料和沥青的试验研究综述
Pub Date : 2019-07-30 DOI: 10.23883/ijrter.2019.5062.nsdzw
Anand Vilas Misal, S. Datta
Accordingly, existing road levels at approaches of these structures are required to be raised making the existing pavement materials redundant. Annually a huge amount of new roads are overlaid on existing road pavement in which a layer of existing bitumen pavement is removed for road development purposes. Utilization of such waste as Reclaimed Asphalt Pavement to replace natural aggregates partially could be helpful both for environmental and economic aspects in the construction industry. Also disposal of waste materials including waste plastic bags has become a serious problem and waste plastics are burnt for apparent disposal which cause environmental pollution. Utilization of waste plastic in bituminous mixes has proved that these enhance the properties of mix in addition to solving disposal problems in various studies. The seasonal change in temperature and loading nature has a significant effect on asphalt behavior because of its viscoelastic nature. Several types of flexible pavement failure/distress occur due to this behavior of asphalt binder, among which rutting and fatigue cracks are very common. The present study is to assess the suitability of using these redundant pavement materials also called Reclaimed Asphalt Pavement (RAP) as potential subbase / base course materials for flexible pavement and perform various laboratory experiments to analyze its strength and durability factors and compare the results with the conventional bituminous mix The purpose of this article is to review global experience with RAP, identify common issues of implementation of this technology and develop methods to ensure a comprehensive approach to the use of RAP. Keywords— Waste Plastic, Reclaimed Asphalt Pavement (RAP), Bitumen, Flexible Pavement, Sustainable Construction.
因此,需要提高这些结构的接近处的现有道路水平,使现有路面材料变得多余。每年都有大量的新道路覆盖在现有的道路路面上,其中一层现有的沥青路面被拆除用于道路发展。利用再生沥青路面等废物部分取代天然集料,对建筑行业的环境和经济方面都有帮助。此外,包括废塑料袋在内的废物处理已经成为一个严重的问题,废塑料被焚烧处理,造成环境污染。在各种研究中,废塑料在沥青混合料中的应用证明,除了解决了处理问题外,还能提高混合料的性能。沥青具有粘弹性,温度和载荷的季节变化对其性能有显著影响。沥青粘结剂的这一特性导致了多种柔性路面的破坏/破坏,其中车辙和疲劳裂纹最为常见。目前的研究是评估使用这些多余的路面材料(也称为再生沥青路面(RAP))作为柔性路面潜在的基层/基层材料的适用性,并进行各种实验室实验来分析其强度和耐久性因素,并将结果与传统沥青混合料进行比较。确定实施该技术的常见问题,并制定方法,以确保采用全面的方法来使用RAP。关键词:废塑料,再生沥青路面,沥青,柔性路面,可持续建设。
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引用次数: 0
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INTERNATIONAL JOURNAL OF RECENT TRENDS IN ENGINEERING & RESEARCH
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