Journal articles: 'Floating construction'

1

Price, W. A. "Floating ports — Design and construction practices." Coastal Engineering 13, no. 2 (July 1989): 206–7. http://dx.doi.org/10.1016/0378-3839(89)90025-2.

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Streblow, A. G. "BREAKWATER CONSTRUCTION." Coastal Engineering Proceedings 1, no. 1 (May 12, 2010): 25. http://dx.doi.org/10.9753/icce.v1.25.

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Upon receipt of an invitation to participate in this conference and present a paper on the subject of Breakwater Construction, I was happy to accept, feeling that I would benefit to a far greater degree than my contribution to a subject in which I, and the concern which I represent, have had a deep interest for many years. Our experience embraces some of the major jetty and sea wall construction in San Francisco Bay, viz: Treasure Island, Mare Island, Alameda Naval Air Station, Sacramento and San Joaquin River bank protection and other jetties along the Northern California Coast, including Crescent City. This paper is limited to breakwater construction on the basis of our experience previously mentioned. The subject has been divided into two parts, namely, (1) construction of jetties, or breakwaters which can be built by use of floating equipment and (2) construction of jetties which are not practicable to be built by use of floating equipment.

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Utomo, Edy. "Perbandingan Desain Dermaga Terapung Pada Sistem Konstruksi Melintang dan Memanjang “Studi Kasus Dermaga Pelabuhan Tideng Pale Kabupaten Tana Tidung”." Borneo Engineering : Jurnal Teknik Sipil 2, no. 1 (June 27, 2018): 1. http://dx.doi.org/10.35334/be.v2i1.607.

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Floating port is a barge made of rectangular steel or concrete that can float to adjust the water lavel. Barge is a cargo ship type do not have a propulsion system. So, design of floating port preferably aqual to ship design. There are 3 types of barge construction system, that are longitudinal system, transversal system and mixed construction. To get the optimal design of floating port, comparison of design based on the construction system is needed. Case study in this research ia a Tideng Pale-KTT floating port. Deformation and stress analysis using FEA method on 2 models of construction system, that are transversal and longitudinal. Based on results, both of construction system produce a good strength value. However, there are some construction component which does not match the placement of the construction system. Results of construction costs have 5,51% deviation, longitudinal sytem is more expensive. So, produce the hypotheses to do a combination for both of construction systems.

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Hasanudin, Hasanudin, and Ardi Nugroho Yulianto. "Design and Construction of Spud Housing for Floating Dock." MATEC Web of Conferences 159 (2018): 02060. http://dx.doi.org/10.1051/matecconf/201815902060.

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A floating dock is a type of pontoon for dry docking ships, possessing floodable buoyancy chambers. The Floating docks have more advantages than the other type of ship docking for maintenance. The purpose of the research study is to design and calculate of spud housing construction for floating dock. The spud housing is used to keep of floating dock in the safe condition. Mild steel material is used to construction of spud housing with yield point 235 x 106 N/m2. Design calculations were done by finite element analysis (FEA). The minimum stress is 1042.36 N/m2 and minimum deflection is 0.447 mm. The maximum stress is 0.142 x 109 N/m2 and maximum deflection is 4.019 mm. The maximum stress is not more than yield point of material.

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Windyandari, Aulia, and Ahmad Fauzan Zakki. "RANCANG BANGUN MODULAR FLOATING PONTOON FERROCEMENT SEBAGAI ALAT APUNG MULTIGUNA." ROTASI 16, no. 4 (October 1, 2014): 1. http://dx.doi.org/10.14710/rotasi.16.4.1-8.

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Modular floating pontoon is a floating device commonly used as civil and marine construction. Pontoon is usually made of steel and high-density polyethylene (HDPE). Although the steel and HDPE has its own advantages and disadvantages in terms of economic, strength, and capacity. However the study of alternative raw materials for modular floating pontoon construction as multipurpose floating equipment is needed. Ferrocement which is familiar in the used for building construction material is an alternative material. Since the material is easy to find and it is such a versatile material that can be mass produced and has the mechanical strength that is simillar to steel and other materials. Following that condition the research is focused on the application of ferrocement technology for modular floating floating pontoon. The results show that the principal dimension of modular floating pontoon are length 80 cm, width 80 cm, height 75 cm, with the lightweight draft of pontoons is 30 cm. The material proportions for the modular floating pontoon are sand 48.2%, cement 34.5% and water 17.3%. Modular floating pontoon series consists of four Pontoons Square compiled with interlink (hook) so that the total of the package pontoon has a 160 cm long, 160 cm wide and 75 cm high.

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Li, Xiao Long, Bing Long Wang, Xue Li, and Chang Ji. "Analysis of Anti-Floating Measures and Construction Parameters of Shield Tunnel through River under Ultra-Shallow Covering." Applied Mechanics and Materials 353-356 (August 2013): 628–34. http://dx.doi.org/10.4028/www.scientific.net/amm.353-356.628.

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Shield tunnel through the river under shallow covering usually facing the phenomenon of tunnel floating due to the thickness of overburden layer inadequate,and resulting in flooding accident due to the overburden layer split.Aiming at the project of Hangzhou metro line one through the Tangjia river under ultra-shallow covering,checking the thickness of overburden layer and taking the measures of anti-floating plate,uplift pile and jet-grouting piles to resist tunnel floating;through the control of soil chamber pressure,driving speed and grouting pressure in the process of construction,tunnel axis is controlled within±30mm,the amount of surface uplift is less than 10mm,tunnel segments without breakage and leakage.The results show that using anti-floating plate,uplift pile and jet-grouting piles,and controlling the construction parameters strictly are effective measures to resist tunnel floating and ensure construction safety.

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Cai, Lu Xiang. "The Construction Method and Plant Configuration of New-Style Ecological Floating Island." Advanced Materials Research 573-574 (October 2012): 223–27. http://dx.doi.org/10.4028/www.scientific.net/amr.573-574.223.

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This paper describes the basic characteristics of the ecological floating island, the improvement and innovation in the construction method of the new eco-floating island and the basic basis of the configuration and choice of plants, as well as outlooks the development trend of the island. It has some inspiration on the design and application of new eco-floating island.

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Li, Jian Ping, Pin Tan, Jin Huang, and Xiang Jun Wang. "Simulation and Experimental Study of Floating with Engineering Mechanics on Box Girder Steel Interior Formwork Used in the High Speed Railway." Applied Mechanics and Materials 540 (April 2014): 185–88. http://dx.doi.org/10.4028/www.scientific.net/amm.540.185.

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During the construction of high speed railway box girder, the interior formwork’s floating problem is always been a big common quality fault plagued the construction in the process of concrete pouring, this leads to the roof thickness of box girder arising, the harm is great. This paper combined the construction project of Hebang single linear 32 meter interior formwork, according to the actual condition of the construction, proceeding the simulation analysis and experimental study of floating date on box girder interior formwork. Using the solidworks2010 establish the mode of box girder interior formwork, then, import the mode to the workbench14.5 proceeding simulation analysis. The simulation analysis of interior formwork maximal floating date is 10.67 millimeter, while the measured date is 10.63 millimeter, the deviation is 3.2%. The result manifests the feasibility of the simulation analysis of interior formwork floating date, this provide a reference to the structure optimization of the interior formwork used in the high speed railway.

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Luo, Sheng. "Research and Application of Anti-floating Schemes of Deep Foundation Pit of Subway for Underwater Excavation and underwater concrete sealing." E3S Web of Conferences 165 (2020): 04001. http://dx.doi.org/10.1051/e3sconf/202016504001.

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To implement deep foundation pit of subway construction with underground continuous wall adopting underwater excavation and waterproofing concrete bottom sealing curtain, the depth of bottom concrete must first meet the anti-floating requirements of the foundation pit. Since the elevation of the bottom slab of the station is certain, the thicker the sealing concrete, the deeper the excavation depth of the foundation pit, the greater the buoyancy of the water to be withstood, and eventually the thicker the sealing concrete, so the selection of foundation pit anti-floating scheme is very critical. This paper combines the practical construction of the deep foundation pit of the main structure of Yongdingmenwai station which is in the third phase of Beijing Metro Line 8 construction project, and analyzes and compares the anti-floating scheme of the foundation pit, so as to select a more reasonable anti-floating scheme, in order to apply experiences for future similar projects and construction.

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Su, Fang Li, Hai Fu Li, Tie Liang Wang, and Sheng Yu Shi. "Simulation of Ecological Floating Island Fixation Methods under Different Flow Velocity." Applied Mechanics and Materials 220-223 (November 2012): 1665–69. http://dx.doi.org/10.4028/www.scientific.net/amm.220-223.1665.

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For the purpose to provide a reference for ecological floating island construction of Liao river, this paper simulated different flow velocity to research the stability of floating island with different fixation methods based on the actual hydrological data of Liao river at the comprehensive experimental base of Shenyang agricultural university. Results show that the stability of floating island with different fixation methods under different flow velocity have significant difference. The data of longitudinal displacement shows the stability of staking floating island is best, the following one is cableway and the sinker is worse. The data of lateral displacement shows the stability of cableway floating island is best, the following one is staking and the sinker is worse. The data of vertical floating displacement shows the stability of cableway floating island is best, the following one is sinker and the staking is worse. Comprehensively, the stability of cableway floating island is best, staking is better and the sinker is less stable. Consequently, this study recommended the cableway and staking floating island as the ideal types in experimental construction in Liaohe river.

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11

Fogg, Dorothy. "Operating room construction requirements; disinfecting floors; floating nurses." AORN Journal 53, no. 2 (February 1991): 496–98. http://dx.doi.org/10.1016/s0001-2092(07)69938-4.

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Oliveira, Nuno M., Yu Shrike Zhang, Jie Ju, Ai-Zheng Chen, Yu Chen, Sameer R. Sonkusale, Mehmet Remzi Dokmeci, Rui L. Reis, João F. Mano, and Ali Khademhosseini. "Hydrophobic Hydrogels: Toward Construction of Floating (Bio)microdevices." Chemistry of Materials 28, no. 11 (May 17, 2016): 3641–48. http://dx.doi.org/10.1021/acs.chemmater.5b04445.

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13

Starr, P., and D. A. Wainwright. "Design and construction of a concrete floating berth." Engineering Structures 18, no. 11 (November 1996): 837–41. http://dx.doi.org/10.1016/0141-0296(95)00162-x.

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Jia, Ning, Wei Hu, and Dongquan Wang. "The mode of constructing the floating town in mining subsidence water area." Indoor and Built Environment 27, no. 7 (January 24, 2017): 992–1000. http://dx.doi.org/10.1177/1420326x17689917.

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As for unilateral utilization pattern and less effective treatment of mining subsidence water area, this research proposed a construction of a floating town in subsidence water area by exploring construction land. The planning layout and spatial model of the town were designed with the aid of three-dimensional digital simulation. In the proposed design scheme, the floating module consists of superstructure, floating foundation and mooring structures. The unit module was assembled into a floating organic system as required. Such approaches, in order to realize the ecological livable ‘beautiful China’ (ecological and sustainable country), try to propose a new idea to satisfy the contradiction between population growth and demand for land, and to minimize the use of arable land and preservation of the natural environment, as well as the expansion of construction land on green field sites and the promotion of new type urbanization.

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Shchedrolosiev, O., O. Uzlov, and K. Kyrychenko. "IMPROVING CONSTRUCTIVE AND TECHNOLOGICAL CONNECTING JOINTS OF REINFORCED CONCRETE PONTOON WITH A TRANSVERSE DIAPHRAGM AND A METAL TOWER IN A FLOATING COMPOSITE DOCK." Scientific Bulletin Kherson State Maritime Academy 1, no. 22 (2020): 142–52. http://dx.doi.org/10.33815/2313-4763.2020.1.22.142-152.

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The analysis of the known technical decisions in dock construction field, rationalizing production resources at composite docks construction is given. It is established that the available solutions do not specify the recommendations for lowering the metal content in the reinforced concrete pontoon of composite floating docks. As a result of the conducted research, the design of floating composite docks was improved by reducing sets in the reinforced concrete pontoon. The rationality of a pontoon design construction without installation of frames, floors, and beams under towers is substantiated. Technological recommendations for the transverse partitions installation between the inner boards in 4 spaces, i.e. in 3 meters in contrast to the classical design in which the distance between the partitions is 1.5 meters, were described. The analysis of the design features of the reinforced concrete pontoon connecting joints with the transverse diaphragm and the metal tower of the floating composite dock is carried out, the difficulties that arise are described. The design and technological recommendations for the construction of the reinforced concrete pontoon joints with the transverse diaphragm and the metal tower have been developed. The floating dock construction sequence and technological operations ensuring concrete’s strength, water tightness and frost resistance at intersection joints are described. Solutions that increase the local adhesion of concrete to cross-shaped parts and prevent its exfoliation have been developed. The traditional scheme of the composite dock construction and a structural joint of a metal tower with a reinforced concrete pontoon is given. The composite dock construction scheme and the construction scheme of the joints of the reinforced concrete pontoon with the transverse diaphragm and the metal tower, which are designed for the construction of floating composite docks with reduced metal content in the pontoon, have been improved.

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Liang, Xian. "Analysis and Processing Method of Insufficient Anti-Floating of Basement Parking Garage Floor." Advanced Materials Research 424-425 (January 2012): 1203–6. http://dx.doi.org/10.4028/www.scientific.net/amr.424-425.1203.

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The floating of floor due to insufficient anti-floating of floor happens occasionally in the design and construction process of basement parking garages. In this paper, the causes of insufficient anti-floating of basement parking garage floor are analyzed combined with engineering examples.

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Marszałek, Jan, Mieczysław Piechota, and Bartłomiej Wójtowicz. "Analysis of the BP-150M barrier carrying capacity according to MLC standards." Bulletin of the Military University of Technology 66, no. 3 (September 30, 2017): 111–24. http://dx.doi.org/10.5604/01.3001.0010.5395.

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The article includes an analysis of the possibility of a temporary combined crossing using the DMS-65 bridge construction and the BP-150M floating barge support. In order to shorten the construction time of the crossing, traditional floating supports are replaced. Examples of nomograms were developed, using the method of a compensation function of moments at supports. Load analysis according to MLC standards has made it possible to determine the parameters of crossing over the Abrams M1A2 tank bridge. Keywords: building engineering, folding bridges, floating supports

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Shioda, Katsuro, Hiroshi Itagaki, and Junrat Wiwattanapan. "Experimental Construction of Concrete Irrigation Ditches in Deep-water/Floating Rice Areas in Thailand." Journal of Rainwater Catchment Systems 11, no. 2 (2006): 9–15. http://dx.doi.org/10.7132/jrcsa.kj00004364696.

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Chen, Liao Jiang, Xiao Wang, and Shu Li Hou. "Anti-Floating Anchor Rods and Waterproof Construction Technology for Deep Pits." Applied Mechanics and Materials 353-356 (August 2013): 952–56. http://dx.doi.org/10.4028/www.scientific.net/amm.353-356.952.

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Pouring base cushion first and then construct anti-floating anchor to avoid strong weathered diorite prolonged exposure and disintegration. The post-poured wedge concrete resistance to water pressure, the middle concrete pads fixed waterstops, Reinforced fixed seal ring, The cement penetration crystalline deal with concrete construction joints. With polyurethane, BAC waterproof coiled material for anti-floating anchor root waterproof treatment.

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Chen, Su, Lei Chao, Jun Zhao, Ning Chen, Lin Shan Wang, Xin Liu, and Li Na Sun. "Application and Development of Artificial Floating Island Technology." Applied Mechanics and Materials 587-589 (July 2014): 696–700. http://dx.doi.org/10.4028/www.scientific.net/amm.587-589.696.

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As a rising phytoremediation technology, artificial floating island technology is increasingly used in wastewater purification. In this paper, studies on artificial floating islands at home and abroad were overviewed, including the variety of floating island, construction method of artificial floating island and the water improvement principle of artificial floating island. Artificial floating island technology is a kind of new ecological environment technology with many functions, such as pollutant purification, habitat restoration, ecosystem restoration, and landscape improvement. It has good application prospects in the area of comprehensive water body control.

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Kitakoji, Yuka. "Fukushima Floating Offshore Wind Farm Demonstration Project (3) - Construction, Tow and Installation of Floating Substation." Journal of The Japan Institute of Marine Engineering 50, no. 1 (2015): 24–29. http://dx.doi.org/10.5988/jime.50.24.

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Cerovac, Petar. "ENGINEERING-SURVEY WORK IN THE CONSTRUCTION OF FLOATING DOCKS." Survey Review 38, no. 295 (January 2005): 11–24. http://dx.doi.org/10.1179/sre.2005.38.295.11.

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Ellman, Roderic A., Simon Harton, and Harold E. Wescott. "Design-Construction of Precast Prestressed Concrete Floating Wave Attenuator." PCI Journal 42, no. 4 (July 1, 1997): 30–40. http://dx.doi.org/10.15554/pcij.07011997.30.40.

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Hurley, William L., and Craig Funston. "The Design and Construction of the Floating Golf Green." Marine Technology and SNAME News 31, no. 01 (January 1, 1994): 20–40. http://dx.doi.org/10.5957/mt1.1994.31.1.20.

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This paper relates the evolution of a design and construction project of interest to the engineering community, that of a floating golf green. It also presents technical details on the unique aspects of this project and elucidates the design development process by explaining the evolution of technical criteria and their application to the facility design. A patented technique for construction of a large rigid pontoon from small prefabricated modules is described and final design and construction details are summarized. Numerous naval architecture and engineering tasks covering various disciplines were involved, including: design of steel, concrete, and composite structures; climatology assessment; determination of structural wave loads and mooring loads; design of fixed and adjustable mooring systems; provision of aesthetic design: design of piping systems; and development of weight assessment tools.

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Yang, Li Hua, Heng Wang, and Zhi Guo Han. "Analysis and Reinforcement on the Up-Floating Accident of the Basement of a Large Commercial Complex." Applied Mechanics and Materials 578-579 (July 2014): 240–43. http://dx.doi.org/10.4028/www.scientific.net/amm.578-579.240.

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This paper introduces the failure law of the floating structures by an engineering examples of the up-floating accident. The reasons of the accident are insufficience of anti-floating anchor rod, short of the length of anchor rod and early termination of precipitation, according to the analysis about the design and the construction information. Through the new anti-floating anchor and new reinforced concrete slab, the whole anti-uplift and partial anti-uplift of underground parts of the floating structure are strengthened. The frame columns and beams with cracking damage caused by the up-floating accident are strengthened with enlarging section method and the enclosure steel method.

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Khizhnyakov, V. I., A. V. Negodin, V. A. Shelkov, and A. N. Toz. "DESIGN AND CONSTRUCTION OF LINEAR MAIN PIPELINE ON WATER-LOGGED GROUNDS." Vestnik Tomskogo gosudarstvennogo arkhitekturno-stroitel'nogo universiteta. JOURNAL of Construction and Architecture 22, no. 6 (December 29, 2020): 167–76. http://dx.doi.org/10.31675/1607-1859-2020-22-6-167-176.

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The paper shows that the linear segments of the main pipelines laid on water-logged grounds are characterized by the floating parts 150–300 m long, with arch blowouts with a deflection of 1.0–1.5 m. This occurs due to the vertical axial loads and the temperature difference. The buckling stability of the floating part is calculated for the pipeline laid in a bog. It is shown that the loss of the buckling stability in the form of the floating parts and arch blowout can be explained by the fact that the project on the water-logged ground construction has no the analysis of the buckling stability under axial loads with regard to the topography of the trench bottom that describes the stress-strain state of the pipeline. At a design stage, it is necessary to conduct more detailed surveys on the pipeline laying with regard to the trench profile in calculating the pipeline buckling stability on water-logged grounds.

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Raj, Ranjana. "Analysis of RC Framed Post Tensioned Slab Structure to Evaluate the Performance of Floating Column with and without Shear Wall using ETABS." International Journal for Research in Applied Science and Engineering Technology 9, no. VI (June 30, 2021): 5279–86. http://dx.doi.org/10.22214/ijraset.2021.36201.

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This research aims to develop analytical study of post tensioned slab with floating column. In present scenario buildings with floating columns are of typical feature within the fashionable multi storey construction practices in urban India. Such sorts of constructions are highly undesirable in building inbuilt seismically active areas. For this buildings are given floating columns at one or more storey. These floating columns are highly disadvantageous during a building inbuilt seismically active area. The earthquake forces that are developed at different floor levels during a building got to be carried down along the peak to the bottom by the shortest path. Deviation or discontinuity during this load transfer path leads to poor performance of the building. In this paper, analytical study of post tensioned slab to evaluate the performance of floating column at ground level or at alternative story for G + 10 story building without shear wall, shear wall at corner, shear wall at center, shear wall at external middle and combined shear wall are provided for regular building is taken for study. The response of building like storey drift, storey displacement and storey shear has been wont to evaluate the results obtained using ETABS software.

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Zhang, Run Lai, Li Ming Tang, and Kun Tang. "Analysis on Segment Floating in the Construction of Large-Diameter Crossing-River Shield Tunnel." Applied Mechanics and Materials 724 (January 2015): 17–21. http://dx.doi.org/10.4028/www.scientific.net/amm.724.17.

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Segment floating is a common problem met in the construction of large-diameter crossing-river shield tunnel. The factors affecting segment floating are discussed first and analyzed by numerical simulation, including the properties of grouting material, the speed of shield tunneling, grouting pressure difference, the tunnel longitudinal stiffness, frictional force between segment rings and weight of the supporting system. The simulation results indicate that segment floating will reduce by shortening slurry’s initial solidification time, slowing shielding speed, improving the tunnel longitudinal stiffness as well as increasing the frictional force between segment rings. And some measures are given such as applying new rapid-setting slurries, shear pins, rubber mats with high friction coefficient and pre-stressed bolts

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Shahrabi, Mostafa, and Khosrow Bargi. "Structural control of the floating breakwaters by implementation of tuned liquid column damper." Advances in Structural Engineering 23, no. 8 (January 13, 2020): 1587–600. http://dx.doi.org/10.1177/1369433219898081.

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The growing maritime activities have led offshore engineers to the application of floating breakwaters to protect coastlines from erosion and to provide a layer of support to ports in the case of strong wave actions. In these applications, minimizing the floating part responses to wave-induced excitations as one of the most critical operational characteristics would be a key factor. In this article, the structural responses of the floating breakwaters are studied through modeling and simulation. To mitigate the floating part wave-induced vibrations, an attached tuned liquid column damper is integrated into the simulation. In the first stage, the numerical model of the floating breakwater system containing the floating body and the mooring system is created. Then, by proposing an iterative coupling procedure, the joint tuned liquid column damper-floating breakwater model is developed. Several rigorous study cases are defined to evaluate the effect of tuned liquid column damper on controlling the floating body unwanted vibrations. In this application, the Airy wave theory and the Joint North Sea Wave Observation Project wave spectrum are used for wave excitations. In order to evaluate the effect of tuned liquid column damper on floating breakwaters, some design parameters like floating body motions and mooring system-mobilized tensile stresses are evaluated. The simulations are conducted in both the time domain and the frequency domain for cases with and without tuned liquid column damper. The rain flow counting method is applied to perform the mooring system fatigue analysis. The study results clearly proved that implementation of tuned liquid column damper would mitigate the floating body responses compared to the original floating breakwater system. In addition, it is indicated that the fatigue-induced failure risks in tuned liquid column damper-floating breakwater mooring system is decreased that would reduce the procurement costs and increase the operational safety of the floating breakwater system.

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Moon, Changho. "Three dimensions of sustainability and floating architecture." International Journal of Sustainable Building Technology and Urban Development 5, no. 2 (April 3, 2014): 123–27. http://dx.doi.org/10.1080/2093761x.2014.908809.

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Menütrey, Philippe. "Floating Monolith, Murten, Switzerland." Structural Engineering International 14, no. 4 (November 2004): 264–67. http://dx.doi.org/10.2749/101686604777963720.

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Čule, Nevena, Aleksandar Lučić, Dragana Dražić, Vladan Popović, Milorad Veselinović, Ljiljana Brašanac-Bosanac, and Suzana Mitrović. "Construction of floating treatment wetlands for remediation of polluted waters." Sustainable Forestry: Collection, no. 75-76 (2017): 1–12. http://dx.doi.org/10.5937/sustfor1775001q.

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Water regulation, integral water management and water conservation are one of the main tasks, set by an ecologically conscious society. A series of complex treatments are set in order to achieve the main goal in wastewater treatment, i.e. eliminating or reducing pollutants to a level that will not cause adverse effects to humans and the environment. The paper presents the construction of an efficient, environmentally friendly and economically justified biological system for the treatment of polluted urban waters. Research has shown that the proposed system with floating islands and algae was effective in removing various categories of pollutants from polluted river (organic and inorganic matter, heavy metals and pathogenic microorganisms), which indicated that the selected type of construction was appropriate. It was concluded that minor modifications in terms of cell coverage by floating islands could provide even greater removal of certain pollutants such as nitrogen, phosphorus and heavy metals.

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Wang, Kun, Guo-Kang Er, and Vai Pan Iu. "Seismic analysis of nonlinear offshore moored floating structures." Advances in Structural Engineering 21, no. 9 (December 7, 2017): 1361–75. http://dx.doi.org/10.1177/1369433217744356.

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This article presents a numerical model for solving the nonlinear random vibrations of offshore moored floating structures under seismic excitation. The offshore moored floating structure consists of the floating platform and mooring cables. The floating platform is considered as a rigid body with 3 degrees of freedom. The nonlinear equations of motions of the mooring cables are established using the nonlinear cable elements that are formulated based on the extended Hamilton principle. The nonlinear hydrodynamic drag forces that act on both the floating platform and cables are considered. In order to carry out the random vibrational analysis, the connection conditions between the floating structure and mooring cables are given to formulate the equations of motions of the whole system. Finally, the moored floating structure under horizontal seismic ground accelerations with Kanai–Tajimi model are analyzed using Monte Carlo simulation method. The probability density functions of the displacements of the moored floating structure and the maximum tensile force in cables are presented. The influences of different sag-to-span ratios or inclined angles of the mooring cables on the mean value and standard deviation of the displacements of the floating structure and the maximum tensile force in cables are analyzed.

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Kim, Sun Hee, Yong Seok Won, Su Hong Seo, Joo Kyung Park, and Soon Jong Yoon. "Fabrication and Construction of Floating Photovoltaic Energy Generation Structures Using Fiber Reinforced Polymer Plastic (FRP) Members." Key Engineering Materials 730 (February 2017): 613–19. http://dx.doi.org/10.4028/www.scientific.net/kem.730.613.

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In this paper, we present the result of investigations pertaining to the floating photovoltaic energy generation structures. Pultruded fiber reinforced polymer plastics (PFRP) and sheet molding compound (SMC) fiber reinforced polymer plastics (FRP) have superior mechanical and physical properties compared with those of conventional structural materials. Fiber reinforced polymer plastics (FRP) has an excellent corrosion resistance and high specific strength and stiffness, the FRP material may be highly appreciated for the floating photovoltaic energy generation system. The floating photovoltaic energy generation system is analyzed and designed to have sufficient safety. In addition, from the finite element analysis the safety of the structure was also confirmed. Based on the results, structural system is designed, fabricated, and installed at the site.

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Voitko, P. F., E. M. Tsarev, I. G. Gaisin, and M. M. Roshchina. "FEASIBILITY OF CONSTRUCTION FLAT RAFT SECTION FOR INITIAL WOOD FLOATING." FORESTRY BULLETIN 22, no. 6 (2018): 88–94. http://dx.doi.org/10.18698/2542-1468-2018-6-88-94.

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Pantouvakis, John-Paris, and Antonios Panas. "Computer simulation and analysis framework for floating caisson construction operations." Automation in Construction 36 (December 2013): 196–207. http://dx.doi.org/10.1016/j.autcon.2013.04.003.

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Nagano, Akira, Kouji Otsuka, Shunzo Okabe, and Masaaki Sai. "Development and Construction of Floating Type Structures for Fishing Port." PROCEEDINGS OF CIVIL ENGINEERING IN THE OCEAN 7 (1991): 65–70. http://dx.doi.org/10.2208/prooe.7.65.

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Watanabe, Eiichi, Tadaaki Maruyama, Hiroshi Tanaka, and Sumio Takeda. "Design and construction of a floating swing bridge in Osaka." Marine Structures 13, no. 4-5 (July 2000): 437–58. http://dx.doi.org/10.1016/s0951-8339(00)00016-2.

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Korobkin, A. A., and T. I. Khabakhpasheva. "The construction of exact solutions in the floating-plate problem." Journal of Applied Mathematics and Mechanics 71, no. 2 (January 2007): 287–94. http://dx.doi.org/10.1016/j.jappmathmech.2007.06.011.

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Liu, Zhenqing, Yicheng Fan, Wei Wang, and Guowei Qian. "Numerical Study of a Proposed Semi-Submersible Floating Platform with Different Numbers of Offset Columns Based on the DeepCwind Prototype for Improving the Wave-Resistance Ability." Applied Sciences 9, no. 6 (March 25, 2019): 1255. http://dx.doi.org/10.3390/app9061255.

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DeepCwind semi-submersible floating offshore wind turbines have been widely examined, and in some countries this type of floating offshore wind turbine has been adopted in the construction of floating wind farms. However, the DeepCwind semi-submersible floating offshore wind turbines still experience large surge motion that limits their operational time. Therefore, in this study, a semi-submersible floating platform with different numbers of offset columns, but with the same total weight, based on the DeepCwind prototype is proposed. From the free-decay test, it was found that the number of the floating columns will affect the natural frequency of the platform. Furthermore, the regular wave test in the time domain and the irregular wave test in the frequency domain show that increasing the number of the floating columns will reduce the surge motion greatly, while the effects in the heave and pitch motions are not obvious.

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Thongpanya, Teeraporn. "Damnoen Saduak Floating Market: The construction of floating market community identity from agricultural society to tourism community." Kasetsart Journal of Social Sciences 39, no. 2 (May 2018): 254–61. http://dx.doi.org/10.1016/j.kjss.2017.06.005.

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Prihatmaji, Yulianto P., and Dimas H. Nugraha. "Keeping the Floating House Afloat in Banjarmasin: Implementation Potential of EPS Floating Technology for Foundation Engineering." MATEC Web of Conferences 280 (2019): 02001. http://dx.doi.org/10.1051/matecconf/201928002001.

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Banjarmasin, South Kalimantan has traditional house in form ofLanting/raft house. At present the population of Lanting house is lacking, among others, due to the funding of bamboo house is quite expensive. Ministry of Public Works and Housing R and D Agency was built Floatingmeeting hall in Semarang 2016 ago with EPS technology. Since thefoundation of the bamboo is more expensive and the number of bamboo isfewer, this study eagers to see to what extent the typology analysis ofexsisting Lanting house, to see the characteristic of floaing technology(EPS) as a substitude of conventional lating foundation, the engineering ofLanting house design using EPS and how is the comparation of materialcharacteristic of local float and EPS pontoon. Research approach withqualitative and supported by quantitative data. Conclusions are theconstruction of Lanting house roof generally uses saddle shape, a light andsimple roof construction. All Lanting houses in Martapura river usessaddle roof construction. The load capacity EPS per module meter is 5 tonsper kg. This Pontoon technology is the result of fabrication that can beapplied for various structural and architectural purposes both on land andon water. Having advantages other than environmentally friendly and thedimensions of structural materials can be custom this material has a heatresistance of up to 600. From Comparison of characteristic of local floatmaterial and EPS pontoon, EPS pontoon is reliable and better than floatmaterial.

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Chakrabarti, Partha, Subrata K. Chakrabarti, Adinarayana Mukkamala, Nagaraj Anavekar, Shen Qiang, and M. Sri Krishna. "Design Analysis of Moored Floating Caisson System." Journal of Offshore Mechanics and Arctic Engineering 127, no. 2 (October 6, 2004): 75–82. http://dx.doi.org/10.1115/1.1905640.

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Tacoma Narrows Constructors (TNC) are building a new suspension bridge in Tacoma, close to Seattle, Washington State, USA. The new bridge is being built just south of the existing bridge mounted on two caissons. The caissons are constructed on location after the shallow draft caissons are towed to site. During the construction sequence, the mooring system for each caisson consists of two sets of 16 mooring lines. The lower 16 lines are hooked-up after the shallow draft caisson is towed from the harbor and positioned at the site. The fairlead locations for these lines are kept constant throughout the construction process. The fairlead locations for the upper 16 lines (except three lines on the East Caisson) vary based on the caisson draft. The caissons are subject to a high current from the ebb and flood tide flow in the Narrows. The new caissons are in close proximity to the existing piers and the bottom topography at the site is varying. Therefore, considerable turbulence and vortex shedding is expected in the prevailing current, which will cause current-induced dynamic forces on the caissons. This paper describes the design and analysis of this multiline mooring system for Tacoma Narrows Bridge caissons, based on the construction sequence in the floating condition. The analysis involved optimizing the anchor locations and the line pretensions, determining the dynamic motions of the caissons, the maximum line loads, and the corresponding safety factors. The paper also describes the hydrodynamic analysis for added mass, and damping, the methodology used for the nonlinear moored caisson analysis (MOTSIM), and the validation of the design tool with other similar models (e.g., STRUCAD*3D). The results of the analysis and the design of the system are discussed.

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Jiang, Bing, and Xuan Jun Huang. "Study on Dynamic Response of Jacket Structure during Floating Transportation." Applied Mechanics and Materials 405-408 (September 2013): 882–85. http://dx.doi.org/10.4028/www.scientific.net/amm.405-408.882.

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Through the physical model test research on the dynamic response of jacket structure during floating transportation, the state of motion and the cable towing force under different wave conditions are given. The study results not only the scientific basis for the jacket structure construction, but also can be regarded as the relevant technical reserves of the jacket structure for deep-water offshore wharf construction in our country.

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Agafonov, A., K. Berezhnoy, S. Verbitsky, A. Iskhakov, M. Koval, and V. Pyatkin. "60MW floating power plant running on LNG: main technical solution." Transactions of the Krylov State Research Centre S-I, no. 2 (December 28, 2020): 165–71. http://dx.doi.org/10.24937/2542-2324-2020-2-s-i-165-171.

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KSRC and Central Design Bureau Iceberg developed the main technical solution for a 60MW floating power plant in form of two independent stationary vessels: power plant itself and fuel repository. This paper analyses weather conditions in the intended operation areas of this floating power plant, with identification of their adverse factors. It presents calculation results for mooring systems and hull of this power plant, as well as justifies its main systems and machinery. The paper also analyses current capabilities of Russian shipyards in construction of floating power plants.

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Cheng, Xiao Fei. "A Kind of Floating Breakwater Sheltering Deep Water Aquaculture." Applied Mechanics and Materials 580-583 (July 2014): 2170–76. http://dx.doi.org/10.4028/www.scientific.net/amm.580-583.2170.

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This paper briefly introduces the design, construction and wave attenuation effect test of a kind of floating breakwater sheltering deep water aquaculture. This novel floating breakwater structure is composed of 28 standard modules and corresponding anchoring systems, and each standard module comprises a catamaran raft and a wave-attenuating and oscillation-inhibiting device, with a length of 30 m, a width of 7 m, a depth of 2 m and a draft of 1.1 m. Each catamaran raft employs a box-shaped multi-ribbed beam-and-slab structure, and was constructed using high-performance concrete and ferrocement materials and internally filled with polystyrene foam plastics. Each wave-attenuating and oscillation-inhibiting device uses a detachable split box-shaped structure and was pre-fabricated using high-performance concrete, with a length of 2 m, a width of 1.638 m and a height of 2 m. Each standard module is anchored using 6 anchor chains, each of which has an on-floor length of about 25 m. After construction, this floating breakwater system was tested for wave attenuation effect, and the data analysis results show that the floating breakwater system has a wave attenuation effect of up to 50 %.

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Watanabe, Eiichi. "Floating Bridges: Past and Present." Structural Engineering International 13, no. 2 (May 2003): 128–32. http://dx.doi.org/10.2749/101686603777964810.

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Solland, Gunnar, Stein Haugland, and John H. Gustavsen. "The Bergsøysund Floating Bridge, Norway." Structural Engineering International 3, no. 3 (August 1993): 142–44. http://dx.doi.org/10.2749/101686693780607787.

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Chow, Philip Y. "Two Futuristic Concrete Floating Structures." Structural Engineering International 3, no. 3 (August 1993): 161–64. http://dx.doi.org/10.2749/101686693780607831.

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Uno, Mitsuo, Takaaki Masuzoe, Isamu Aotani, Shin Oba, and Toshiaki Kanemoto. "Development of the Floating Centrifugal Pump by Use of Non Contact Magnetic Drive and Its Performance." International Journal of Rotating Machinery 10, no. 5 (2004): 337–44. http://dx.doi.org/10.1155/s1023621x0400034x.

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This article focuses on the impeller construction, non contact driving method and performance of a newly developed shaftless floating pump with centrifugal impeller. The drive principle of the floating impeller pump used the magnet induction method similar to the levitation theory of the linear motor. In order to reduce the axial thrust by the pressure different between shroud and disk side, the balance hole and the aileron blade were installed in the floating impeller. Considering the above effect, floating of an impeller in a pump was realized. Moreover, the performance curves of a developed pump are in agreement with a general centrifugal pump, and the dimensionless characteristic curve also agrees under the different rotational speed due to no mechanical friction of the rotational part. Therefore, utility of a non contacting magnetic-drive style pump with the floating impeller was made clear.

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Journal articles on the topic 'Floating construction'

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