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Dissertations / Theses on the topic 'Crushed Concrete'

Author: Grafiati

Published: 4 June 2021

Last updated: 26 July 2025

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1

Dodds, Wayne J. "Durability performance of coarse crushed concrete aggregate structural concrete." Thesis, Loughborough University, 2017. https://dspace.lboro.ac.uk/2134/27534.

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Crushed or recycled concrete aggregates (CCA/RCA) is an increasingly popular material as a replacement for natural aggregates in concrete due to industry demands for more recycled, lower carbon and responsibly sourced materials. In the UK, the majority of CCA is utilised in non-structural applications such as: a general fill material, road base/subbase or in low-grade concrete. Recycled aggregate producers however, are seeking new ways to incorporate CCA into higher value applications such as structural concrete to increase profits. Opportunities to incorporate CCA into structural concrete may

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2

Horta, Andre. "Impacts of Using Crushed Rocks in Concrete." Thesis, KTH, Teknisk geologi och geofysik, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-96093.

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Concrete in Sweden has traditionally been manufactured with natural aggregate from glaciofluvial eskers. There is a need to preserve the remaining eskers because of their cultural value and importance for water filtration, thus natural aggregate has to be replaced. The most realistic alternative is to use crushed rocks. The major problem with crushed rocks in concrete production is the workability. This is because crushed rocks have less favorable properties. The fragments are flakier and have a rougher surface than natural aggregates that have been rounded in water. Without any amelioration o

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3

Kibriya, Tahir. "Properties of concrete with crushed brick coarse aggregates." Thesis, City University London, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.304518.

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4

Cheng, Ken. "Optical gradation for crushed limestone aggregates." Morgantown, W. Va. : [West Virginia University Libraries], 2000. http://etd.wvu.edu/templates/showETD.cfm?recnum=1753.

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Thesis (Ph. D.)--West Virginia University, 2000.<br>Title from document title page. Document formatted into pages; contains x, 179 p. : ill. (some col.). Vita. Includes abstract. Includes bibliographical references (p. 149-153).

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5

Anna, Ahmad Shaker. "Characteristics of Concrete Building Units Containing Crushed Waste Glass." Thesis, North Dakota State University, 2013. https://hdl.handle.net/10365/27130.

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"Glascrete" the term used for concrete in which all the aggregates or part of it are substituted by crushed glass. Glass is the only material that can be recycled many times without changing its properties; these properties making it an ideal material in concrete. The goal of this research was to evaluate the compressive and splitting tensile strength of concrete mixes containing different glass aggregate replacement up to 20 % by volume of sand; with and without admixtures. 144 cubes and 144 cylinders were prepared with different admixtures then tested for compressive and splitting tensile s

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6

Kim, Haejin. "Crushed returned concrete aggregate in new concrete characterization, performance, modeling, specification, and application /." College Park, Md. : University of Maryland, 2009. http://hdl.handle.net/1903/10029.

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Thesis (Ph.D.) -- University of Maryland, College Park, 2009.<br>Thesis research directed by: Dept. of Civil and Environmental Engineering. Title from t.p. of PDF. Includes bibliographical references. Published by UMI Dissertation Services, Ann Arbor, Mich. Also available in paper.

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7

Westerholm, Mikael. "Rheology of the mortar phase of concrete with crushed aggregate." Licentiate thesis, Luleå : Luleå University of Technology, 2006. http://epubl.ltu.se/1402-1757/2006/06/LTU-LIC-0606-SE.pdf.

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8

Dayaram, Kiran. "The Recarbonation of Crushed Concrete from a New Zealand Perspective." Thesis, University of Canterbury. Chemistry, 2010. http://hdl.handle.net/10092/3859.

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The cement industry releases large quantities of CO₂ into the atmosphere during the manufacture of Portland Cement. The intrinsic property of the cement to reabsorb some of this CO₂ over its life time through a process called recarbonation has been investigated. This thesis reports on the development of an accelerated recarbonation apparatus for studying the recarbonation of crushed concrete under controlled conditions. The apparatus involved a series of airtight desiccators into which were placed the crushed concrete samples. The desiccators were then filled to ~50,000 ppm CO₂, which is signi

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9

Deilami, Sahar. "Investigation of effects of rehydration of cement in recycled crushed concrete road base." Thesis, Curtin University, 2014. http://hdl.handle.net/20.500.11937/724.

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This research investigates the methods controlling shrinkage cracking of Recycled Crushed Concrete (RCC) and RCC blended with two recycled aggregate types, namely, brick & tile and ferricrete, for road base whilst retaining the inherent strength of the base material. The strength tests on the various blends indicated that with the addition of brick & tile or ferricrete to RCC, the resulting materials remained "stiff'. In conclusion, using recycled materials can enhance heavy duty pavement behaviour.

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10

Costa, Heloina Nogueira da. "Characterization of the quarries of crushing sands of the metropolitan region of Fortaleza and evaluation of its application in concrete." Universidade Federal do CearÃ, 2015. http://www.teses.ufc.br/tde_busca/arquivo.php?codArquivo=16266.

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FundaÃÃo de Amparo Ã Pesquisa do Estado do CearÃ<br>Departamento Nacional de ProduÃÃo Mineral<br>The natural sand used in civil construction has become scarce due to the exhaustion of natural reserves and environmental constraints imposed by the regulatory agencies. Consequently, the prices of those inputs are likely to increase, burdening the consumer. In search of alternatives, sustainable and economical, this study proposes characterize crushed sand from quarries in the Fortaleza metropolitan region (RMF) and evaluate its implementation, as fine aggregate, in conventional concrete, as a rep

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11

Hackett, A. J. "The influence of contaminated crushed brick aggregate on the strength, durability and leaching characteristics of concrete." Thesis, Queen's University Belfast, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.273043.

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12

Johansson, Henrik, and Niklas Hedberg. "Stenmjöl eller naturgrus i betong : En jämförande studie." Thesis, Växjö universitet, Institutionen för teknik och design, 2009. http://urn.kb.se/resolve?urn=urn:nbn:se:vxu:diva-5213.

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The objective of this thesis is to examine the difference in workability in fresh concrete, when crushed fine aggregate replaces natural gravel. The shape of the fine aggregate, packing and flow of six crushed material and three natural materials will be determined by easy studies, the results will be compared with a slump cone test.

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13

Tolsma, Shaun, and Ingrid Torfgård. "Recycling of concrete for sustainable road construction : Why are proven methods not currently used?" Thesis, Uppsala universitet, Byggteknik, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-355724.

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This report aims to investigate why proven methods for recycling concrete waste as road construction material are not practiced in Sweden. An additional objective is to investigate how concrete is handled as a waste product and whether it would be environmentally friendly and financially beneficial to clients and contractors. Information has been extracted via interviews conducted with experts from various positions within the civil engineering industry. Additional information was obtained through literature studies and questionnaires sent and received via email. Results which were frequently

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14

Duarte, Jo?o Batista. "Estudo da substitui??o de agregados mi?dos naturais por p? de pedra em concreto de cimento portland." Universidade Federal do Rio Grande do Norte, 2013. http://repositorio.ufrn.br:8080/jspui/handle/123456789/12819.

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Made available in DSpace on 2014-12-17T14:07:13Z (GMT). No. of bitstreams: 1 JoaoBD_DISSERT.pdf: 1988359 bytes, checksum: 0207f1a988edf03be9aba6cc36f1919a (MD5) Previous issue date: 2013-11-29<br>The sharp consumption of natural resources by the construction industry has motivated numerous studies concerning the application of waste to replace partially or fully, some materials, such as aggregates, thereby reducing the environmental impact caused by the extraction of sand and crushing process. The application of stone dust from crushing process arising as an aggregate for the production of P

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15

Koh, Chon Jin. "Characterisation of shape of fine recycled crushed coloured glass and the effect on the properties of structural concrete when used as a fine aggregate replacement." Thesis, University of Wolverhampton, 2014. http://hdl.handle.net/2436/561256.

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In order to reduce the use of landfilling within waste management great emphasis is being placed on waste reduction and recycling. Each year in the UK approximately 2.5 Mt of waste glass is produced and approximately half of this waste is not recyclable. Therefore alternative ways need to be found for using waste glass and one possibility is to use it within concrete as a replacement for cement and/ or aggregate. In the research programme concrete mixes were tested which had 0%, 25%, 50% and 100% of the fine aggregate replaced by crushed waste glass. All glass was originally in bottle form and

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16

Haji, Hassan Yasin, and Younes Beigi. "Ersättning av naturgrus med krossat berg i betong." Thesis, Högskolan i Borås, Akademin för textil, teknik och ekonomi, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:hb:diva-13846.

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Betong är ett av de mest använda byggnadsmaterialen i världen. Den består av en blandning av cement, vatten och ballast. Ballasten utgör cirka 65-75 % av betongmassan. Merparten av denna ballast kommer i nuläget från naturgrus. En ersättning av naturgrusballasten är önskvärd i enlighet med Regeringens miljömål för ”Grundvatten av god kvalitet” som innebär att uttaget på naturgrus ska minskas till 1-3 miljoner ton/år fram till år 2020. Detta examensarbete fokuserar på att testa ersätta naturgrus med krossberg i betong. Målet var att få likvärdiga egenskaper i den nya betongblandningen både när

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17

Vašek, Tomáš. "Testování možností využívání druhotných surovin jako náhrady přírodních kameniv." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2014. http://www.nusl.cz/ntk/nusl-226736.

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Master's thesis consists of two parts, theoretical and practical. In the theoretical section are listed basic information about alternative aggregates used for concrete mixture, like polystyrene, cinder and recycled concrete. Further, the influence of these alternative aggregates, used as secondary raw materials, on the behaviour and properties of fresh respectively hardened concrete. Possibilities of application concrete containing secondary raw materials are mentioned. In the practical part are experimentally verified physical and mechanical properties of concrete containing crushed waste po

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18

Khoury, Eliane. "Maîtrise de l’eau efficace dans les bétons de granulats recyclés." Thesis, Ecole nationale supérieure Mines-Télécom Lille Douai, 2018. http://www.theses.fr/2018MTLD0011/document.

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Constitués de plusieurs composants (granulats naturels et pâte de ciment adhérente), les GBR ne sont à l’heure actuelle pas utilisés largement dans la formulation de nouveaux bétons. Les propriétés médiocres des GBR compliquent considérablement la détermination de la quantité d’eau efficace dans le béton frais. Tout d’abord, une étude bibliographique va mettre en évidence la grande dispersion des résultats des essais de caractérisation des GBR et des propriétés des bétons recyclés à l’état frais et durci. Ensuite, une étude vise à analyser l’hétérogénéité des GBR et des granulats de béton conc

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19

Pinchi, Morey Sanddy Rocío, and Mejia Hosvick Jeffer Ramirez. "Propuesta de aplicación del método de auto-curado adicionando ladrillo triturado al agregado grueso para disminuir las fisuras superficiales y aumentar la resistencia a la compresión del concreto en zonas cálidas (Lima Norte)." Bachelor's thesis, Universidad Peruana de Ciencias Aplicadas (UPC), 2020. http://hdl.handle.net/10757/652529.

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El concreto es uno de los materiales más utilizados en el mundo de la construcción, de las cuales cada material en la mezcla depende de la resistencia que se requiera de acuerdo al análisis estructural. Dentro del proceso de producción de concreto debemos garantizar que el cemento reaccione químicamente y desarrolle la resistencia para la cual fue diseñada, para esto es importante mantenerlo hidratado en ese tiempo mediante el proceso de curado. Una técnica aún no tan conocida es el auto-curado del concreto, por lo cual es una necesidad saber cuál es su influencia en el desarrollo de la resist

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20

Joudi-Bahri, Imène. "Influence des sables fillérisés calcaires sur les propriétés des bétons courants et superplastifiés. Un exemple tunisien." Thesis, Université de Lorraine, 2012. http://www.theses.fr/2012LORR0156/document.

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L'objectif de la thèse est d'étudier l'effet de la quantité de fillers vis-à-vis des propriétés rhéologiques, mécaniques et dimensionnelles de bétons tout calcaire. Ces bétons ont été confectionnés avec les mêmes gravillons et le même sable provenant de la même production, afin d'éviter tout artéfact. Le sable a servi à fabriquer cinq sables représentatifs des catégories définies dans la norme EN 12260 des granulats à bétons, par mélange avec sa fraction fine ou sa fraction grenue extraites préalablement par lavage. Les sables fabriqués contiennent environ 0, 6, 12, 18 et 24% de fillers. Les b

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21

Šrámek, Jiří. "Stavebně technologický projekt výrobní a administrativní haly ATX." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2019. http://www.nusl.cz/ntk/nusl-392191.

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The subject of this master’s thesis is a solution of chosen parts of building construction project. The project solves industrial hall that contains productions and administrative space. This thesis includes technological regulations for substructure, study of performing the main technological stages, design of using machines, checking and testing plans. Other phrases parts are time schedules, budget, calculations, design of site equipment including engineering report and report for performing access road. Starting materials, which were used for this thesis, were engineering report also includ

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22

Chen, Wen–Cheng, and 陳文政. "Study on Fractionation of Crushed Reclaimed Asphalt Concrete Pavement (RAP)." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/t2q566.

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碩士<br>國立宜蘭大學<br>綠色科技學程碩士在職專班<br>105<br>The government has been promoting the regeneration of asphalt concrete for more than 20 years, mainly based on the Code of Practice for the Construction of the 02966 Committee issued by the Public Works Committee of Executive Yuan of Taiwan. By studying the five TAF approved Laboratory for Marshall proportion design in Taiwan, this thesis tries to understand the fractionation method for the removal of the material in asphalt plant currently, and the problems encountered by the asphalt plants for the use of the reclaimed material in Taiwan. In this study,

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23

"CHARACTERIZATION OF CRUSHED PORTLAND CEMENT CONCRETE RUBBLE AGGREGATE FOR URBAN ROADS." Thesis, 2013. http://hdl.handle.net/10388/ETD-2013-07-1177.

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The City of Saskatoon is responsible for maintaining approximately 1,100 km of roads including locals, collectors, arterials, and freeways. With the aged state of the road infrastructure, increasing budget constraints limit the City’s ability to maintain existing road infrastructure to an acceptable level of service and to construct new road infrastructure. The infrastructure demands related to urban growth within the City of Saskatoon have caused a shrinking aggregate supply and increasing aggregate demand. In turn, growing demand and dwindling resources for aggregate are resulting in rapi

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24

Wang, Yu-Cing, and 王毓慶. "A Study on Recycled Concrete Using Crushed Construction Tiles as Fine Aggregates." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/75546805520316181405.

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碩士<br>中原大學<br>土木工程研究所<br>98<br>The objectives of this study are to find the compressive strength and ultrasonic pulse velocity (UPV) of recycled concrete with various percentages of natural fine aggregate replaced by recycled discarded tile as well as the residual strength and residual UPV of recycled concrete subjected to elevated temperatures. The effect of various fine recycled aggregate on concrete is investigated by lost of ignition (LOI). The testing results exhibit that the earlier-age compressive strength of recycled concrete will decrease depending on the increase of discarded til

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25

Huang, Shih-fang, and 黃世芳. "Preliminary Study of Concrete Property Using Recycled Aggregate with Crushed Masonry Material." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/17107646763575565144.

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博士<br>朝陽科技大學<br>營建工程系碩士班<br>99<br>Construction projects in many populated metropolitan areas have produced tremendous amount of construction waste such as masonry block which has been widely used as a major building material in the Taiwan region. The use of this masonry material as a recycled resource is essential for the purposes of environmental protection and self-sustaining management in the region where resource of natural material is limited for construction projects. Crushed masonry blocks collected from construction sites were used in the study as a recycled material substituted for n

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26

Cai, Jin–Cang, and 蔡進滄. "Application Study of Recycled Concrete Aggregate Using Crushed Electricity Pole of Taiwan Power Company." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/41493261162497282681.

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碩士<br>朝陽科技大學<br>營建工程系碩士班<br>100<br>The research was conducted to study the mechanical and engineering properties of the concrete specimens mixed with recycled aggregate of crushed power line poles which were abandoned as a type of construction waste from routine maintenance and reconstruction programs of the Taiwan Power company. In the study, crushed concrete aggregate from the poles was used as substitute of natural coarse aggregate to prepare specimens for the laboratory testing program with major parameters as the following: (1) water/cement ratio (w/c ratio): 0.7, and (2) percentage of

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27

Viyanant, Chirayus. "Potential use of recycled asphalt pavement and crushed concrete as backfill for mechanically stabilized earth walls." Thesis, 2006. http://hdl.handle.net/2152/2945.

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28

Shen, Sung-Ying, and 沈松瑩. "The Study of Bending Properties of Repeatedly Recycled Aggregate Concrete of Crushed Plate from Aircraft Parking Ground." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/n5pv6a.

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碩士<br>東南科技大學<br>營建科技與防災研究所在職專班<br>105<br>Airplane is the most rapid means of transport of human activities, so the operation of the airport, whether it is civil economy or national military needs long-term planning and management, and with the progress of human life technology, the Earth's resources due to the development and rapid decrease, After long-term use of the airport track the build of the engineering, the construction of the main material gravel grading is to become a major challenge, and recycled aggregate concrete is one of the important resources of the airport engineering to expl

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29

Esfeller, Michael Watts Jr. "Electrochemical assessment and service-life prediction of mechanically stabilized earth walls backfilled with crushed concrete and recycled asphalt pavement." 2006. http://hdl.handle.net/1969.1/ETD-TAMU-1765.

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A Mechanically Stabilized Earth (MSE) wall is a vertical grade separation that uses earth reinforcement extending laterally from the wall to take advantage of earth pressure to reduce the required design strength of the wall. MSE wall systems are often prefabricated to reduce construction time, thus improving constructability when compared with conventionally cast-in-place reinforced wall systems. However, there is a lack of knowledge for predicting the service-life of MSE retaining wall systems when recycled backfill materials such as Recycled Asphalt Pavement (RAP) and Crushed Concrete (CC)

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30

Zeng, Yi-Lin, and 曾伊麟. "Performance Evaluation On Porous Asphalt Concrete Mixed with Polymer-Modified Cement between Crushed Stone and Basic Oxygen Furnance Slag." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/38629120928596678509.

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31

CHUN-TE, LI, and 李峻德. "The Study of Resistance to Stress of the Repeatedly Using the Recycled of Crushed Concrete From Smashed Aircraft Parking Ground." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/30224484025727223074.

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碩士<br>東南科技大學<br>營建科技與防災研究所在職專班<br>104<br>For the managing of the airport, whether to civilian economy or country militarily management require long-term planning and also because of the advancement of technology of human life, to open up and develop the Earth's resources of a rapid decline, so the airport a runway (slip) after long-term use renovation project,which required major construction material gravel gradation source is bound to become a major challenge, But regenerates the concrete for airport project important resources. The design study was to investigate the runway (slip) of the a

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Wu, Chung-I., and 吳重宜. "Study on compressive strength of self - regenerated fiber reinforced concrete in crusher plate." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/7ag72u.

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碩士<br>東南科技大學<br>營建科技與防災研究所在職專班<br>105<br>Taiwan's economic development is rapid, many old buildings removed and urban renewal, coupled with frequent large and small earthquakes, resulting in the construction of many waste, the construction industry should actively promote the recycling of abandoned buildings to reduce the extraction of natural earth and rock, in order to allow the engineering sector Can be more clear the use of recycled concrete in the strength of the classification, the other for the operation of the airport, need long-term planning and management, and with the scientific and

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曾瑞曲. "A Study on the Rescue Decision-Making of Applying Heavy Rescue Equipment after an Earthquake- A case study of Concrete Crusher used in Weiguan apartment search and rescue mission." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/x64n8z.

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碩士<br>中央警察大學<br>防災研究所<br>106<br>The collapse of the Weiguan-Jinlong complex in Yongkang District in Tainan City, which happened during the earthquake on February 6th, 2016, is the most tragic incident in terms of casualties in a single housing complex. The rescue mission was extremely difficult due to its complex building structure with overlapped floors in the rubble making the rescue even more challenging.In this paper, the aim is to facilitate the rescue commanders to make the decision by constructing the framework of the decision on how to apply the heavy machinery on the search and rescue

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