Academic literature on the topic 'Climbing formwork'

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Journal articles on the topic "Climbing formwork"

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Yao, Gang, Haoting Guo, Yang Yang, Chengming Xiang, and Soltys Robert. "Dynamic Characteristics and Time-History Analysis of Hydraulic Climbing Formwork for Seismic Motions." Advances in Civil Engineering 2021 (March 12, 2021): 1–17. http://dx.doi.org/10.1155/2021/2139153.

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With the widespread use and increasing cycle life of climbing formwork to construct high-rise buildings in earthquake-prone areas, the risk of earthquakes during the construction period increases. Hence, it is necessary to analyze the seismic response of climbing formwork. According to actual climbing formwork in the super high-rise office building of Wanda Plaza in Kunming, China, the finite element model of the climbing formwork is established on the Ansys platform. The correctness of the model is verified by comparing the natural frequencies of the actual climbing formwork and the finite element model. The time-history analysis of the climbing formwork subjected to earthquakes of varying strong magnitudes is carried out. The maximum displacement position and maximum von Mises stress position of the climbing formwork under different working conditions are determined, and the seismic response of the climbing formwork is analyzed. It has been found that when the formwork is under construction, the maximum displacement position of the climbing formwork is at the center of the long beam of the upper platform, and the maximum von Mises stress position is the joint of the outer pole of the main platform and tripod. Under the climbing condition, the maximum displacement position of the climbing formwork is at the top of the outer pole of the upper platform, and the maximum von Mises stress position is the joint of the beam of the tripod and guide rail. The climbing formwork is partially damaged under the simulated earthquake. However, the displacement is large, and some components have reached the yield state. It is recommended to strengthen the connection between the upper platform and the guide rail and enhance the strength and rigidity of the outer pole and tripod. Climbing formwork is more sensitive to horizontal earthquakes and has minimal sensitivity to vertical earthquakes. The structure attached to the climbing formwork will reduce its sensitivity to earthquakes. The research results are of practical significance for seismic design and improvement of climbing formwork.
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Li, Jian Ping, Jie Ruan, Pin Tan, and Xian Jun Wang. "Simulation Analysis and Structure Optimization of Steel Structure Climbing Formwork with Material Properties Used in the Large Angle Leaning Bridge Tower." Applied Mechanics and Materials 540 (April 2014): 201–4. http://dx.doi.org/10.4028/www.scientific.net/amm.540.201.

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Steel structure climbing formwork has been widely used in bridge pier and bridge tower, etc. But the design of 30 degrees slope climbing formwork design is rarely involved. The climbing formwork which in the upper surface of leaning bridge tower is affected by concrete buoyancy and the downside is affected by concrete gravity .That cause insufficient stiffness,deformation of the template,non-uniform cross-section of the bridge and large angle deviation which have great harm to the bridge quality .This paper which combined the construction project of Huaibei Xiangwang Bridge establish the mode of climbing formwork, then, import the mode to the Workbench14.5 proceeding simulation analysis. Getting the stress and deformation of the climbing formwork, check the strength and stiffness .Then optimize the structure of climbing formwork to ensure the stiffness and control the deformation of the template. The stress of downside climbing formwork after optimization is uniform and maximum stress is reduced about 30% .This paper provide a reference to the design of the climbing formwork used in the large angle leaning bridge tower.
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Xia, Ju-wei, Yun-long Yao, Xiao-shun Wu, and Yuan-hong Chen. "Calculation and Analysis of Hydraulic Automatic Climbing Formwork Equipment for Super-high Building Construction." Journal of the International Association for Shell and Spatial Structures 62, no. 1 (2021): 24–36. http://dx.doi.org/10.20898/j.iass.2021.003.

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Hydraulic automatic climbing formwork equipment is widely used in super-high-rise building construction due to its advantages of simple operation, fast construction speed, low cost, and high automation. Quantitative calculation of the mechanical state of climbing formwork equipment is an important technical means of ensuring safety during super-high building construction. This work thus introduces a hydraulic climbing formwork equipment structure and subsequently analyzes the construction process and the main working state of the hydraulic climbing formwork equipment. Then, for the design of the outer climbing frame of the hydraulic climbing formwork, an approximate analytical method for solving the node reaction force is proposed. Finally, combined with the actual engineering, the calculation results of the approximate analytical method and the finite element method are compared, and the calculation and analysis methods of the hydraulic climbing formwork equipment frame and key nodes are introduced. The calculation analysis process and related conclusions can be used as engineering reference for similar projects.
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Hu, Shicheng, and Jun Li. "Analysis of dynamic characteristics of climbing formwork under wind loads." E3S Web of Conferences 79 (2019): 01016. http://dx.doi.org/10.1051/e3sconf/20197901016.

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This article took the climbing formwork which constructed on the bridge at a height of 100 meters as the prototype, then established the finite element model and conducted modal analysis. The APDL language is used to load the wind load which is simulated by the Matlab programming then calculated the displacement and acceleration responses of the climbing formwork and further. The results show that the bending effect of the climbing formwork is more obvious. This calculation method of calculating the wind load, improve the anti-wind design method of the climbing formwork.
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Tian, Guo Liang. "Research on Application of New Concrete Silo Construction Technical System." Advanced Materials Research 1065-1069 (December 2014): 1577–85. http://dx.doi.org/10.4028/www.scientific.net/amr.1065-1069.1577.

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considering the development of concrete silo structure in recent years and engineering characteristics of large reinforced concrete silo, construction processes and structures of concrete silos are classified and general construction technical system is formed through innovation of construction technique and process. The general construction technical system focuses on adjustable drawbar climbing formwork system, inside drawbar-free climbing formwork system and whole lifting and towing integrated climbing formwork system, is featured with integrated construction and has multiple technical units, which could be combined flexibly to adapt to certain requirements of different projects. This method not only has flexible process, but also possesses uniform construction technique and process.
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Wahyudi, M. Rizal, and Astuti Boer. "Tingkat Efisiensi Biaya Pekerjaan Bekisting Struktur Core Wall Menggunakan Metode Semi Sistem dan Climbing System Terhadap Metode Konvensional (Studi Kasus: Proyek Pembangunan Menara Bank Rakyat Indonesia Pekanbaru)." JURNAL SAINTIS 19, no. 02 (2019): 51. http://dx.doi.org/10.25299/saintis.2019.vol19(02).3917.

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[ID] Pembangunan Menara Bank Rakyat Indonesia Pekanbaru didukung dengan core wall yang merupakan struktur beton bertulang vertikal berbentuk dinding dirancang untuk menahan gaya geser, gaya lateral. Keterlambatan penyelesaian pekerjaan core wall akan mempengaruhi siklus floor to floor pembangunan bangunan yang akan berdampak pada biaya proyek, maka dibutuhkan suatu metode bekisting yang dapat memberikan dampak yang signifikan dinilai dalam hal efektif dan efisiennya dalam pekerjaan core wall. Oleh karena itu dilakukan penelitian tentang tingkat efisiensi biaya pekerjaan bekisting core wall. Penelitian ini bertujuan untuk mengetahui biaya yang dibutuhkan pada pekerjaan bekisting core wall dengan menggunakan metode konvensional, semi sistem dan climbing system dan menentukan tingkat efisiensi biaya pada pekerjaan bekisting struktur core wall menggunakan semi sistem dan climbing system dibanding konvensional. Metode pada penelitian ini adalah analisa biaya pekerjaan bekisting struktur core wall menggunakan konvensional, semi sistem dan climbing system, untuk pengerjaan struktur bangunan menggunakan sistem zona untuk waktu penyelesaian pekerjaan struktur setiap lantai selama 5 hari, dengan analisa yang terdiri dari analisa kebutuhan material dan alat bekisting, analisa kebutuhan pekerja, analisa upah harian pekerjaan, analisa upah borongan pekerjaan, analisa parameter pendukung harga satuan, analisa harga satuan bekisting, perhitungan biaya total pekerjaan bekisting. Berdasarkan hasil analisa perhitungan diperolehlah total biaya pekerjaan bekisting core wall untuk metode konvensional dengan upah harian sebesar Rp160.981.400,00 dan dengan upah borongan sebesar Rp91.522.980,00 dan untuk metode semi sistem dengan upah harian sebesar Rp125.592.380,00 dan dengan upah borongan sebesar Rp67.751.640,00 sedangkan untuk metode climbing system dengan upah harian sebesar Rp126.062.350,00 dan dengan upah borongan sebesar Rp90.485.000,00 dan tingkat efisiensi biaya pekerjaan bekisting struktur core wall untuk perbandingan menggunakan konvensional dengan semi sistem sebesar 25,97 % dan untuk perbandingan menggunakan konvensional dengan climbing system sebesar 1,13 %. 
 [EN] The construction of the Bank Rakyat Indonesia Menara Pekanbaru is supported by a core wall which is a vertical reinforced concrete structure shaped wall designed to withstand shear forces, lateral forces. Delay in completing core wall work will affect the floor-to-floor development cycle which will have an impact on project costs, so a formwork method is needed that can have a significant impact assessed in terms of its effectiveness and efficiency in core wall work. Therefore, this study was conducted to determine the costs required in the work of core wall formwork using conventional methods, semi systems and climbing systems and determine the level of cost efficiency in non-conventional core wall formwork work compared to conventional. The method in this study is the analysis of the cost of the formwork of the core wall structure using conventional, semi-system and climbing systems, for the construction of building structures using a zone system for the completion time of the structural work for each floor for 5 days. With the analysis consisting of analysis of material requirements and formwork equipment, worker needs, daily wage for work, piece rate wages, supporting parameters for unit price, unit price for formwork, and calculation of the total cost of formwork work. Based on the results of the calculation analysis, the total cost of the core wall formwork work is obtained for the conventional method with a daily wage of Rp160,981,400.00 and a piece rate of Rp91,522,980.00. For the semi-system method with a daily wage of IDR 125,592,380.00 and a piece rate of IDR 67,751,640.00, and for the climbing system method with a daily wage of IDR 126,062,350.00 and a piece rate of IDR 90,485,000.00. the level of cost efficiency work formwork core wall structure for comparison using conventional with a semi system of 25.97% and for comparison using conventional with a climbing system of 1.13%.
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Zhou, Ji Zhong, Qi Lin, Ming Pi Liao, Jin Ping Zhuang, and Xue Feng Cai. "Application of Modularized Low-Position Jacking Formwork System in Core-Tube Building." Applied Mechanics and Materials 405-408 (September 2013): 3103–7. http://dx.doi.org/10.4028/www.scientific.net/amm.405-408.3103.

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Compared with other template construction technology, jacking formwork system has the advantages of self-climbing, less operating personnel, good safety and good construction quality, with relatively innovative construction techniques and technology and has been widely used in the construction of tall buildings in recent years. The lifting principles and characteristics of jacking formwork were introduced in the paper. Based on the application in a tall building project, construction technologies of the formwork were introduced.
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Kannan, M. Ramesh, and M. Helen Santhi. "Constructability Assessment of Climbing Formwork Systems Using Building Information Modeling." Procedia Engineering 64 (2013): 1129–38. http://dx.doi.org/10.1016/j.proeng.2013.09.191.

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Li, Shimin, Ziqiang Yu, Zhaohu Meng, et al. "Study on construction technology of hydraulic climbing formwork for super high-rise building under aluminum formwork system." IOP Conference Series: Earth and Environmental Science 769, no. 3 (2021): 032062. http://dx.doi.org/10.1088/1755-1315/769/3/032062.

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Golafshani, Emadaldin Mohammadi, and Siamak Talatahari. "Predicting the climbing rate of slip formwork systems using linear biogeography-based programming." Applied Soft Computing 70 (September 2018): 263–78. http://dx.doi.org/10.1016/j.asoc.2018.05.036.

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Dissertations / Theses on the topic "Climbing formwork"

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Halaf, Evan. "FORMSÄTTNING AV HÖGA PLATSGJUTNA BETONGKOSTRUKTIONER : Undersökning av diverse klättersystem samt alternativa lösningar för silo-projektet Gråbergsutfrakt i Kiruna." Thesis, Mälardalens högskola, Akademin för ekonomi, samhälle och teknik, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:mdh:diva-49300.

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Today construction industry is building higher and more complicated constructions than ever thanks to the advancements in materials, technical knowledge and methodologies. One important material is concrete, which has been used to create impressive architectural marvels. This dissertation aims to examine the differences between climbing and slip formwork systems for tall concrete structures that require several pouring steps in height. The main differences noted between both systems are formwork configuration, assembly and cycling of the formwork and climbing elements, price and quantity of material, labor required, the quality of the finished structure and safety during construction. A case study was investigated with the help of formwork supplier PERI Sverige AB and nordic contractor PEAB AB regarding a 20,5 meter high reinforced concrete silo located in a mining complex in Kiruna, Sweden. Through a review of the existing literature in the subject, interviews with experts in the topic and the outcome from the project case study, the results shows that while the SCS climbing system from PERI Sverige AB required more working days compared to a slip formwork system, it was chosen as a more appropriate solution for this project in combination with the crane at the jobsite, due to the amount of labor required, safety and overall cost of it. In conclusion, the selection of the SCS climbing system as formwork system proved to be the most adequate solution for the case study when critical aspects such as assembly and cycling of formwork, price and safety were evaluated.
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Hrubá, Denisa. "Výšková budova AZ Tower - stavebně technologický projekt." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2014. http://www.nusl.cz/ntk/nusl-227005.

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This master´s thesis is dealing with selected part of the construction technology project of the high-rise building AZ Tower. The main content becomes the realization of supporting gross upper structure. It compiles in detail the most optimal proposal of technological processes, working machines, schedule, control and test plan, occupational safety, environment protection, construction site equipment and last but not least, the coordination of four tower cranes. Apart from the architectural and technically impressive draft of the Czech Republic tallest building it will be interesting to deal with progress of the whole construction. New technologies and elementary construction activities adapting to work at extreme altitudes will be used.
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Conference papers on the topic "Climbing formwork"

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Kim, Min Ju, Taehoon Kim, Hyunsu Lim, Hunhee Cho, and Kyung-In Kang. "Automated Layout Planning of Climbing Formwork System Using Genetic Algorithm." In 33th International Symposium on Automation and Robotics in Construction. International Association for Automation and Robotics in Construction (IAARC), 2016. http://dx.doi.org/10.22260/isarc2016/0093.

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Ricciuti, Rick, Neville Fairclough, Len Hiebert, Medhat Elgohary, and Stephen K. W. Yu. "ACR™ Constructability: Increasing Confidence in Project Objectives." In 12th International Conference on Nuclear Engineering. ASMEDC, 2004. http://dx.doi.org/10.1115/icone12-49561.

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The ACR-700 has been designed with safety, cost and schedule as major drivers. Early in the concept stage it was demonstrated that short construction schedules can be achieved by paralleling activities, using such techniques as extensive modularization, combined with open top construction of the reactor building, as well as using the latest construction techniques available such as climbing formwork, prefabricated rebar, automatic welding, etc. This paper looks at the continued evolution of detailed construction sequences as a planning tool tied to the Primavera schedule. It also looks at examples where cost and schedule become important factors in making engineering decisions associated with the construction method and sequence. Experience on the modularization benefits achieved from the recently completed Qinshan CANDU project is presented. Finally it draws conclusions on the confidence in achieving construction schedules for both the first and nth units of a series.
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