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Journal articles on the topic 'Post-tensioned prestressed concrete construction'

Author: Grafiati

Published: 4 June 2021

Last updated: 4 March 2023

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1

Liu, Shu Yue, and Wei Ling Wang. "Research on Post-Tensioned Prestressed Concrete Construction Technology in Construction Engineering." Advanced Materials Research 700 (May 2013): 221–24. http://dx.doi.org/10.4028/www.scientific.net/amr.700.221.

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Study of bonded post-tensioned prestressed concrete construction technology, from materials, equipment, channel reservation, prestressed reinforcement material installation, concrete pouring, the prestressed tendons tension and grouting of anchor seal is described from the aspects of the construction of the link, the specific operation steps, summarizes the method of construction, improve the following prestressed concrete construction understanding.

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2

Le, Thanh-Cao, Thi Tuong Vy Phan, Trung-Hau Nguyen, Duc-Duy Ho, and Thanh-Canh Huynh. "A Low-Cost Prestress Monitoring Method for Post-Tensioned RC Beam Using Piezoelectric-Based Smart Strand." Buildings 11, no. 10 (2021): 431. http://dx.doi.org/10.3390/buildings11100431.

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This study proposes a cost-effective prestress monitoring method for post-tensioned reinforced concrete (RC) beams using a smart strand. Firstly, the concept of a piezoelectric-based smart strand and its implementation for prestress force monitoring are developed. The smart strand is prepared by embedding inexpensive and high-sensitivity electromechanical impedance (EMI) sensors in a steel strand. Next, the feasibility of the proposed method is experimentally verified for prestress force monitoring of a simple supported post-tensioned RC beam. A smart strand prototype is fabricated and embedde

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3

Jiang, Yin Jun, and Yong Hua Zhu. "Simulation of Electric Heating Prestressed Concrete Component." Advanced Materials Research 243-249 (May 2011): 1018–22. http://dx.doi.org/10.4028/www.scientific.net/amr.243-249.1018.

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Because channel quality defects of post-tensioned prestressed concrete construction cannot be discovered on time, an electric heating method is put forward to produce effective detection. The results of the numeric simulation on the temperature field of a prestressed concrete component show that the electric heating infrared detection method, for its energy consumption, efficiency and safety, is feasible for detecting the channel quality of prestressed concrete component, but the electric current needs to be controlled to avoid high temperature which affects the physical and mechanical propert

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4

Szydłowski, Rafał. "Concrete Properties for Long-Span Post-Tensioned Slabs." Materials Science Forum 926 (July 2018): 122–27. http://dx.doi.org/10.4028/www.scientific.net/msf.926.122.

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In contrast to foreign practice, in Poland, for many years, there has been a belief, that in prestressed constructions, more expensive concretes on basalt aggregates should be applied. This habit is due to the low quality of national river and fossil aggregates. They allow to obtain low concrete strength and modulus of elasticity. In the paper, basing on two examples of post-tensioned slabs, it has been shown, that it is possible to use concretes with a low value of modulus of elasticity for large-span slabs. These results may be significant in popularizing the use of post-tensioned slabs in b

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5

Wight, Gavin D., Jason M. Ingham, and Andrew R. Wilton. "Innovative seismic design of a post-tensioned concrete masonry houseThis article is one of a selection of papers published in this Special Issue on Masonry." Canadian Journal of Civil Engineering 34, no. 11 (2007): 1393–402. http://dx.doi.org/10.1139/l07-104.

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Post-tensioned concrete masonry walls provide improved seismic performance, but have had limited application in seismic regions because of a lack of research pertaining to their in-plane response. Following focused research over recent years, a consortium of product suppliers has collaborated with the University of Auckland to construct New Zealand’s first post-tensioned concrete masonry house. A feature of this innovative design was that all incorporated products were commercially available, with no proprietary products being specifically developed for the prestressed masonry system used. Con

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6

Kraľovanec, Jakub, František Bahleda, Jozef Prokop, Martin Moravčík, and Miroslav Neslušan. "Verification of Actual Prestressing in Existing Pre-Tensioned Members." Applied Sciences 11, no. 13 (2021): 5971. http://dx.doi.org/10.3390/app11135971.

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In the case of prestressed concrete structures, information about the actual state of prestressing is an important basis for determining their load-carrying capacity as well as remaining service life. During the service life of the prestressed concrete structure, the initial level of prestressing is inevitably reduced as a result of the actions of various factors. These reductions of prestressing force are considered as prestress losses, which are influenced by construction stages, used materials, prestressing technology, or required length of service life. Available standards enable the deter

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7

Breen, John E., Michael E. Kreger, Christopher D. White, and Gordon C. Clark. "Field evaluation and model test of a composite wing-girder bridge." Canadian Journal of Civil Engineering 14, no. 6 (1987): 753–62. http://dx.doi.org/10.1139/l87-113.

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This paper presents the key observations and conclusions from the evaluation of an innovative "loose-fit" composite, post-tensioned concrete wing-girder bridge proposed for an elevated interstate highway expansion in an urban environment. The evaluation program included both testing to destruction of a 1/2-scale model of a partial span as well as construction monitoring and field testing at service load levels of a full-scale prototype two-span bridge. Results of both construction measurements and loading tests were compared with analytical predictions. Laboratory tests showed the composite be

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8

Liu, Hong Wei. "Shallow Talk Steel Strand Pre-Tensioned Prestressed Hollow Plate Beam Construction Craft and Quality Control." Applied Mechanics and Materials 204-208 (October 2012): 2278–81. http://dx.doi.org/10.4028/www.scientific.net/amm.204-208.2278.

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With the development of prestressing technology, steel strand first should the hollow plate beam of prestressed concrete get in the upper part structure of the highway bridge extensive application, to steel strand first should prestressed concrete hollow plate beam construction quality of quality, not only direct relation arrive bridge of normal usage, also in the meantime relation arrive bridge of safety degree and durable. Therefore acquaint with in the beam system make the process with control first a construction a craft with work well quality control the key being very. This text combine

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9

Wang, Li, Donghui Cheng, Enxiang Qu, Daoming Zhang, and Chun Lv. "Calculation of Additional Internal Forces in Post-Tensioned Prestressed Concrete Frame Columns Based on Equivalent Lateral Stiffness." Buildings 12, no. 5 (2022): 644. http://dx.doi.org/10.3390/buildings12050644.

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The additional internal forces in vertical members caused by prestressed tendons are typically overlooked in the design of post-tensioned prestressed concrete. A calculation method for additional internal forces in single-story multi-span prestressed concrete frame columns based on equivalent lateral stiffness is proposed in this paper. The slope-deflection equation for the bar element was presented using Timoshenko beam assumptions, taking into account the influence of shear and bending deformations. Subsequently, the concept of equivalent lateral stiffness and calculation equations were prop

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10

Jin, Ling Zhi, Qiang Fu, Xia Cao, et al. "Ansys Analysis of Post-Tensioned Unbonded Prestressed Concrete Board with Open-Hole." Advanced Materials Research 163-167 (December 2010): 1349–53. http://dx.doi.org/10.4028/www.scientific.net/amr.163-167.1349.

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Owing to the outstanding advantages of unbonded prestressed technology, it has been widely used in high-rise building floor. However, with the continuous improvement of the function requirements of the building, the boards with openings become more and more common, not only in new constructions but also in renovation projects. These holes will change the mechanical properties of the original floor, and cause stress concentration around the holes easily. This article carries on the simulation analysis by modeling the experimental model using ANSYS software, focuses on the deflection, crack and

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11

Scollard, C. R., and F. M. Bartlett. "Rehabilitation criteria for post-tensioned voided-slab bridges." Canadian Journal of Civil Engineering 31, no. 6 (2004): 977–87. http://dx.doi.org/10.1139/l04-057.

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Current rehabilitation practices for aging, post-tensioned, voided-slab bridges typically reduce the geometric properties of the concrete cross section and so permanently increase post-tensioning stresses, change primary and secondary prestress moments, and create new primary and secondary moments because the original concrete restrains shrinkage of the new concrete. These changes affect the resistance of the rehabilitated bridge at limit states specified for new construction in the Canadian Highway Bridge Design Code (CHBDC) and may cause other limit states not currently identified in the CHB

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12

Cao, Zhiliang, Hao Wang, and Tong Guo. "Fragility analysis of self-centering prestressed concrete bridge pier with external aluminum dissipators." Advances in Structural Engineering 20, no. 8 (2016): 1210–22. http://dx.doi.org/10.1177/1369433216673376.

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A novel self-centering prestressed concrete pier with external energy dissipators has been developed to realize seismic resilient performance and enhanced corrosion-resisting property. Self-centering capacity of the pier is provided by the unbonded post-tensioned tendons and damage is mostly concentrated on the replaceable dissipators. To investigate the seismic behavior of the proposed pier, a detailed analytical model considering interface opening and dissipator deformation was developed and verified through existing cyclic load tests. Based on the proposed model, a prototype reinforced conc

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13

Patil, Mayur V., and Dr S. R. Parekar. "Nonlinear Analysis of External Post-Tensioning anchorage of Concrete Segment." International Journal for Research in Applied Science and Engineering Technology 11, no. 1 (2023): 1010–20. http://dx.doi.org/10.22214/ijraset.2023.48754.

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Abstract: Precast concrete segmental bridges (PCSBs) have been the most common design technology used in the last decades. In these studies Non-linear structural performances of externally prestressed, precast concrete segmental bridges (PCSB). PCSBs with externally prestressed tendons have become very popular in construction because of economical and safety reasons, fast and practical construction, and outstanding serviceability. External tendons technique is widely used because it allows to inspect the cables and to replace them or to reinforce the tendons in case of damage while such kinds

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14

Zhou, Zhixiang, Jiangtao Zhang, Mou Xu, Zuwei Li, and Taixiong Zhang. "Method and Analysis of Vertically Tensioned Prestressed Concrete Beams." Structural Engineering International 14, no. 1 (2004): 55–59. http://dx.doi.org/10.2749/101686604777964288.

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15

Sun, Wei, Jun Du, Qiang Wang, and Li Sun. "Multi point monitoring method of prestressed tendon based on distributed sensors." Journal of Physics: Conference Series 2093, no. 1 (2021): 012042. http://dx.doi.org/10.1088/1742-6596/2093/1/012042.

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Abstract This paper presents a multi-point strain monitoring method based on distributed sensors, which can monitor the multi-point stress of prestressed tendons in concrete. Firstly, the special sensor protection device is installed in the designated position of the component. Then, the sensor is placed in the device and attached to the monitored prestressing tendon. After concrete pouring, the device can form a closed space around the sensor to ensure that the sensor can freely expand and move in a small range when the prestressed tendon is tensioned. The proposed method is applied to the mo

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16

Li, Fumin, Xiaoya Luo, and Zhenguo Liu. "Corrosion of anchorage head system of post-tensioned prestressed concrete structures under chloride environment." Structural Concrete 18, no. 6 (2017): 902–13. http://dx.doi.org/10.1002/suco.201600140.

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17

Samir, Peter, and George Morcous. "Precast Prestressed Concrete Truss-Girder for Roof Applications." Journal of Structures 2014 (December 14, 2014): 1–13. http://dx.doi.org/10.1155/2014/524156.

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Steel trusses are the most popular system for supporting long-span roofs in commercial buildings, such as warehouses and aircraft hangars. There are several advantages of steel trusses, such as lightweight, ease of handling and erection, and geometric flexibility. However, they have some drawbacks, such as high material and maintenance cost, and low fire resistance. In this paper, a precast concrete truss is proposed as an alternative to steel trusses for spans up to 48 m (160 ft) without intermediate supports. The proposed design is easy to produce and has lower construction and maintenance c

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18

Aziz, Mohamad Abdel, George Abdel-Sayed, Faouzi Ghrib, Nabil F. Grace, and Murty K. S. Madugula. "Analysis of concrete beams prestressed and post-tensioned with externally unbonded carbon fiber reinforced polymer tendons." Canadian Journal of Civil Engineering 32, no. 6 (2005): 1138–51. http://dx.doi.org/10.1139/l05-071.

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Fiber reinforced polymer (FRP) tendons are being increasingly used nowadays in prestressing and (or) post-tensioning concrete structures. However, designers are faced with lack of practical analysis procedure that leads to proper evaluation of their structural performance, especially when bonded prestressing is combined with unbonded post-tensioning. This paper presents an analytical procedure for these beams. It examines the load–defelction characteristics and proceeds to estimate the ultimate load carrying capacity by taking into consideration the change of stress that occurs in the external

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19

Lu, Zhao-Hui, Qi-Hao Zhou, Hai Li, and Yan-Gang Zhao. "A new empirical model for residual flexural capacity of corroded post-tensioned prestressed concrete beams." Structures 34 (December 2021): 4308–21. http://dx.doi.org/10.1016/j.istruc.2021.10.005.

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20

Dai, Lizhao, Lei Wang, Ming Deng, Binghui Wu, Royce W. Floyd, and Jianren Zhang. "Strengthening a 20-Year-Old Post-Tensioned Concrete Box Beam with Double-Layer Prestressed Steel Wire Ropes." Journal of Bridge Engineering 23, no. 11 (2018): 05018009. http://dx.doi.org/10.1061/(asce)be.1943-5592.0001301.

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21

He, Huan An, and Cheng Kui Huang. "Study on Restrained Expansive Deformation of Steel Fiber Reinforced Self-Stressing Concrete." Key Engineering Materials 385-387 (July 2008): 305–8. http://dx.doi.org/10.4028/www.scientific.net/kem.385-387.305.

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A new sort of high performance concrete is introduced which combines most advantages of prestressed concrete and steel fiber concrete, named steel fiber reinforced self-stressing concrete(SFFRSSC for short). Self-stressing concrete is actually a kind of expansive concrete which self-stresses, namely pre-compressive stresses, are induced by dint of some restrictions generally provided by steel bars to concrete expansion after hydration of expansive cement. As a result of chemical reaction, concrete archived prestresses by itself different from mechanical prestressed concrete, so called self-str

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22

Cho, Ik-Sun, Suk-Koo Suh, Sang-Hee Lee, and Kyoung-Lae Park. "Design and Construction of Pre-tensioned Prestressed Concrete Box-Girders in Incheon Bridge Viaduct." IABSE Symposium Report 96, no. 4 (2009): 168–77. http://dx.doi.org/10.2749/222137809796088693.

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23

Nadeem, Mohd. "Finite Element Analysis of I-Girder Bridge." International Journal for Research in Applied Science and Engineering Technology 9, no. 8 (2021): 2084–97. http://dx.doi.org/10.22214/ijraset.2021.37747.

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Abstract: In India railway bridge structures are widely designed with the method suggested by IRS – Concrete bridge code 1997.This Code of Practice applies to the use of plain, reinforced and prestressed concrete in railway bridge construction. It covers both in-situ construction and manufacture of precast units. The Code gives detailed specifications for materials and workmanship for concrete, reinforcement and prestressing tendons used in the construction of railway bridges. After defining the loads, forces and their combinations and requirements for the limit state design, particular recomm

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24

Guo, Quanquan, Zhu Li, and Lian Duan. "Automatic Post-Tensioning in Prestressed Concrete Structures." Structural Engineering International 14, no. 1 (2004): 37–41. http://dx.doi.org/10.2749/101686604777964242.

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25

Syafwandi, Syafwandi, and Amier Abdul Hakim. "Planning For The Construction of Cikeas River Bridge Wiht-Prestressed Beam Structure Method. of Housing Crv Residence Case Study." ADRI International Journal of Civil Engineering 6, no. 1 (2022): 75–87. http://dx.doi.org/10.29138/aijce.v6i1.18.

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Along with the development of the times and technological advances, present a concept that is slightly different from the concept of ordinary reinforced concrete. The combination or active combination of high compressive strength concrete and steel with high tensile strength or prestressed cables produces a concept called Prestressed Concrete. Prestressed concrete is basically concrete in which the internal stresses of a suitable magnitude and distribution are given in such a way that the stresses caused by the external loads are resisted to a desired level. In reinforced concrete bars, prestr

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26

Woliński, Sz, and T. Pytlowany. "Parametric Analysis of the Sensitivity of a Prestressed Concrete Beam Using the DOE Simulation Technique." Archives of Civil Engineering 65, no. 4 (2019): 97–112. http://dx.doi.org/10.2478/ace-2019-0049.

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AbstractThe paper presents the method of simplified parametric analysis of the sensitivity of a pre-tensioned concrete beam. The presented approach is based on the DOE (design of experiments) data collection which is simulation technique allowing for identification of variables deciding about the effectiveness and costs of designed structures. Additionally, application of the hyper-surface of the construction response allows designers to the development of multi-dimensional trade-off graphs to facilitate, the assessment of the scope of changes in random state variables permitted due to the ade

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27

Ji, Jianghao, Zhiqiang Dong, Ziqing Liu, et al. "Feasibility of using Fe-SMA rebar as cracking resistance spiral stirrup in the anchorage zone of post-tensioned prestressed concrete." Structures 48 (February 2023): 823–38. http://dx.doi.org/10.1016/j.istruc.2023.01.011.

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28

Pinho Ramos, A., and V. J. G. Lúcio. "Post-punching behaviour of prestressed concrete flat slabs." Magazine of Concrete Research 60, no. 4 (2008): 245–51. http://dx.doi.org/10.1680/macr.2008.60.4.245.

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29

Xie, Jian, Ning Cui, Jia‐Bao Yan, and Jinghai Yu. "Experimental study on prestress losses of post‐tensioned concrete members at ultra‐low temperatures." Structural Concrete 20, no. 6 (2019): 1828–41. http://dx.doi.org/10.1002/suco.201800264.

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30

Hu, Ping, Dong Qi Zhao, Hui Li, Gui Feng Song, and Yi Jun Tang. "Research of Prestressed Concrete Hollow Multi-Ribbed Composite Box Girder." Advanced Materials Research 368-373 (October 2011): 705–9. http://dx.doi.org/10.4028/www.scientific.net/amr.368-373.705.

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Base the shortcomings of pre-simple-supported post-continuous girder bridge construction, a new beam-bridge convert structure system is proposed, that is a kind of structure form of prestressed concrete hollow multi-ribbed composite box girders, the calculation method of two phase and noting are put forward. the kind of Cast-in-place assembly structure is light self-weight, force structure reasonable, easy construction, overall good and overall cost low.

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31

Yan, Xueyuan, Suguo Wang, Canling Huang, Ai Qi, and Chao Hong. "Experimental Study of a New Precast Prestressed Concrete Joint." Applied Sciences 8, no. 10 (2018): 1871. http://dx.doi.org/10.3390/app8101871.

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Precast monolithic structures are increasingly applied in construction. Such a structure has a performance somewhere between that of a pure precast structure and that of a cast-in-place structure. A precast concrete frame structure is one of the most common prefabricated structural systems. The post-pouring joint is important for controlling the seismic performance of the entire precast monolithic frame structure. This paper investigated the joints of a precast prestressed concrete frame structure. A reversed cyclic loading test was carried out on two precast prestressed concrete beam–column j

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32

Ma, Zhongguo (John), Mohsen A. Saleh, and Maher K. Tadros. "Optimized Post-Tensioning Anchorage in Prestressed Concrete I-Beams." PCI Journal 44, no. 2 (1999): 56–73. http://dx.doi.org/10.15554/pcij.03011999.56.73.

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33

Yao, Gangfeng, Xueyu Xiong, and Yipeng Ge. "Cracking behavior of full-scale pre-tensioned prestressed concrete double-Tee members with steel-wire meshes." Journal of Building Engineering 44 (December 2021): 102658. http://dx.doi.org/10.1016/j.jobe.2021.102658.

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34

Zhou, Guangpan, Aiqun Li, Jianhui Li, et al. "Test and numerical investigations on the spatial mechanics characteristics of extra-wide concrete self-anchored suspension bridge during construction." International Journal of Distributed Sensor Networks 15, no. 12 (2019): 155014771989156. http://dx.doi.org/10.1177/1550147719891561.

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This work is aimed at studying the mechanics characteristics of the self-anchored suspension bridge with extra-wide concrete girder during girder erection and system transformation. First, the determination and implementation processes of reasonable completion state were introduced briefly, taking the Hunan Road Bridge as the background project, which is the widest concrete self-anchored suspension bridge in China currently. Then, the ANSYS beam-type finite element model and field monitoring data were integrated to investigate the cable system evolutions during system transformation. Finally,

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35

Roschke, Paul N., and Masamichi Inoue. "Effects of Banded Post‐Tensioning in Prestressed Concrete Flat Slab." Journal of Structural Engineering 117, no. 2 (1991): 563–83. http://dx.doi.org/10.1061/(asce)0733-9445(1991)117:2(563).

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36

Mahendra Nata, Eric Vianto, Indra Komara, Eka Susanti, and Dewi Pertiwi. "Redesign of Prestressed Concrete Structures Using the Post Tension Method: A Case Study of the Construction of Laves Mall Surabaya." Reka Buana : Jurnal Ilmiah Teknik Sipil dan Teknik Kimia 7, no. 1 (2022): 74–92. http://dx.doi.org/10.33366/rekabuana.v7i1.3220.

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In building construction, prestressed concrete is used for large spans and to increase capacity. One of them is the 16 meters long Lakes Surabaya Mall project. An important parameter is the effectiveness of the design, especially determining the parameters of the cross-sectional property. In this study, the redesign technique was used to assess the current condition in the hope that it could be modeled more effectively using cross-sectional dimensions. The design was evaluated theoretically using the concept of direct and indirect prestressing, then numerically verified using SAP2000. Prestres

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37

Zhou, Wei, Jian Xin Zhang, and Wen Zhong Zheng. "Research on New Type of Prestressed Concrete Double Tee Floor Slabs." Advanced Materials Research 250-253 (May 2011): 2376–81. http://dx.doi.org/10.4028/www.scientific.net/amr.250-253.2376.

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Prestressed concrete double Tee floor slabs are widely used for the roof of building construction. Some problems are met during the development practice of this type of precast structures. Firstly, the overhang flange of the traditional double Tee floor slab is not enough large in the view of economic and utilization. Secondly, it is not easy to dispose the skylights on the roof used double Tee floor slabs in the workshops or the gymnasiums. Thirdly, most of the beams are produced in prestressing plants, but very few productions are made in site. Therefore, a new type of prestressed concrete d

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38

Suparp, Suniti, Athasit Sirisonthi, Nazam Ali, et al. "Load versus Strain Relationships of Single and Continuous Span Full-Scale Pre-cast Prestressed Concrete Girders for Monorail Systems." Buildings 12, no. 8 (2022): 1164. http://dx.doi.org/10.3390/buildings12081164.

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Full-scale testing of multiple span girders is scarce in the literature, often related to the complexity of loading setup and time constraints. The importance of full-scale tests is manifested in the fact that useful information regarding failure mechanisms can be obtained. In addition, important guidelines can be established for structural designers. Further, results from full-scale tests can help establish constitutive laws for various mechanisms involved in the response of actual structures. The structural performance of individual members can be assessed by monitoring their strains at serv

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39

Whelan, Matthew J., Brett Q. Tempest, and David B. Scott. "Post-Fire Nondestructive Evaluation of a Prestressed Concrete Double-Tee Joist Roof." Journal of Performance of Constructed Facilities 29, no. 2 (2015): 04014055. http://dx.doi.org/10.1061/(asce)cf.1943-5509.0000543.

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40

Haque, Md Nafiul, Murad Y. Abu-Farsakh, Chris Nickel, Ching Tsai, Jesse Rauser, and Zhongjie Zhang. "A Load-Testing Program on Large-Diameter (66-Inch) Open-Ended and PSC-Instrumented Test Piles to Evaluate Design Parameters and Pile Setup." Transportation Research Record: Journal of the Transportation Research Board 2672, no. 52 (2018): 291–306. http://dx.doi.org/10.1177/0361198118776781.

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This paper presents the results from a pile load testing program for a bridge construction project at Chalmette, Louisiana. The load testing includes three 66-in. spun-cast post-tensioned open-ended cylinder piles and one 30-in. square prestressed concrete (PSC) pile driven at four different locations along the bridge site in clayey-dominant soil. Both cone penetration tests and soil borings/laboratory testing were used to characterize the subsurface soil conditions. All test piles (TP) were instrumented with strain gauges to measure the load distribution along the length of the TPs and to mea

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41

Hanna, Kromel E., George Morcous, and Maher K. Tadros. "Transverse post-tensioning design and detailing of precast, prestressed concrete adjacent-box-girder bridges." PCI Journal 54, no. 4 (2009): 159–74. http://dx.doi.org/10.15554/pcij.09012009.159.174.

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42

Adekristi, Armen, Arif Abdur Rohim, and Muhammad Rizaldi Perkasa. "CATATAN TEKNIS TERHADAP STANDAR KRITERIA PEKERJAAN BETON POST-TENSION BERDASARKAN STRESSING RECORD DI JEMBATAN PULAU BALANG DAN JEMBATAN TELUK KENDARI." Jurnal HPJI 7, no. 1 (2022): 21–32. http://dx.doi.org/10.26593/jhpji.v7i1.4550.21-32.

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Abstract Prestressed concrete technology has been growing, both in terms of materials and in terms of equipment technology. From an implementation perspective, it is very important to know the actual stress acting on the tendon, and elongation is generally used to verify the actual stress. However, the calculation of elongation using several assumptions causes differences between theoretical elongation and actual elongation measured in the field. This paper presents the elongation behavior for several types of tendons obtained from the construction of the Pulau Balang Bridge and the Teluk Kend

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Zheng, Fei, Guo Wen Li, Lei Yan, Peng Liu, and Gang Zhang. "Influence Analysis of Rigid Steel Framework on the Closure Section of the Bridge by Cantilever Construction Method." Applied Mechanics and Materials 204-208 (October 2012): 2265–71. http://dx.doi.org/10.4028/www.scientific.net/amm.204-208.2265.

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Nowadays,issues regarding deflections at mid-span and cracks existing on the box girder of prestressed concrete continuous rigid-frame bridge have raised researchers’ attentions in China.To solve these issues, research is conducted on the influence of rigid steel framework at closure segment of the box girder in the process of the cantilever construction of the PC continuous rigid-frame bridge. Finite element analyses are carried out through ANSYS to investigate the distributions of internal forces and stresses in rigid steel framework inside and outside the closure segment of the bridge. Furt

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Chen, Ji Hao, Sen Liu, Yu Jia Gao, and Yong Peng Sun. "Pre-Camber Analysis for Hanging Cradle Construction of Qinhe Bridge." Applied Mechanics and Materials 438-439 (October 2013): 923–25. http://dx.doi.org/10.4028/www.scientific.net/amm.438-439.923.

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In order to ensure the safety of long-span continuous prestressed concrete girder bridge constructed by hanging cradle method, a pre-camber is always made to reduce shrinkage and creep in the process of post-operation, the late loss of pre-stressed, deformation produced by live load and so on. Combining with Qinhe Bridge, how to install the pre-camber is studied in this paper. The maximum pre-cambers and their locations of every span of Qinhe Bridge are determined by the method of standard JTG D62-2004 with the finite element analysis software MIDAS/CIVIL. The results show that the final pre-c

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Chen, Ming Zheng, Lin Qing Huang, Xiao Ying Chen, and Li Ping Wang. "The Nonlinear Finite Element Analysis to Bonded Post-Tensioned Prestressed Concrete Frame Based on Two-Stage Loading Model." Advanced Materials Research 671-674 (March 2013): 591–95. http://dx.doi.org/10.4028/www.scientific.net/amr.671-674.591.

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According to the loading character of bonded post-tensioned prestressed concrete frame, the static nonlinear finite programme in this paper could be used to analysis the whole loading process to bonded post-tensioned prestressed concrete frame, which is divided into two different stages . From the stress-strain curve of materials and considering the concrete’ tension harding and compression softening, this programme uses the layered finite element model and arc-length method to analyse the bonded post-tensioned prestressed concrete frame, during the course it considers the material nonlinearit

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Kodsy, Antony, and George Morcous. "Shear Strength of Ultra-High-Performance Concrete (UHPC) Beams without Transverse Reinforcement: Prediction Models and Test Data." Materials 15, no. 14 (2022): 4794. http://dx.doi.org/10.3390/ma15144794.

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The use of Ultra-High-Performance Concrete (UHPC) in beams has been growing rapidly in the past two decades due to its superior mechanical and durability properties compared to conventional concrete. One of the areas of interest to designers is the elimination of transverse reinforcement as it simplifies beam fabrication/construction and could result in smaller and lighter beams. UHPC has a relatively high post-cracking tensile strength due to the presence of steel fibers, which enhance its shear strength and eliminate the need for transverse reinforcement. In this paper, UHPC shear test data

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Nishiyama, Minehiro, and Yue Wei. "Effect of Post-Tensioning Steel Anchorage Location on Seismic Performance of Exterior Beamto- Column Joints for Precast, Prestressed Concrete Members." PCI Journal 52, no. 2 (2007): 18–30. http://dx.doi.org/10.15554/pcij.03012007.18.30.

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Yang, Xiao Hua, Chao Yang Zhou, Xue Jun He, and Teng Chen. "Research on Post-Tensioned Unbonded Prestressed Concrete Hollowed Floor." Applied Mechanics and Materials 94-96 (September 2011): 1456–62. http://dx.doi.org/10.4028/www.scientific.net/amm.94-96.1456.

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In order to study the mechanical behaviors of post-tensioned unbonded prestressed concrete hollowed floors, a 1/4 scale post-tensioned unbonded prestressed reinforced concrete hollow slab-column structure model is used to act uniform distributed load on the floor. The test results showed that the load carrying capacity is enough. The points of maximum displacement are at the centers of slabs. By means of the experimental studies and elastic finite element analysis methods, the results showed that post-tensioned unbonded prestressed concrete hollowed floor presents anisotropy with layout of cir

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Pandey, M. D., and M. A. Nessim. "Reliability-based inspection of post-tensioned concrete slabs." Canadian Journal of Civil Engineering 23, no. 1 (1996): 242–49. http://dx.doi.org/10.1139/l96-025.

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In unbonded, post-tensioned prestressed concrete slabs and beams, corrosion of prestressed tendons due to moisture ingress and their subsequent breakage has been identified as a major problem raising serious concern over the safety of aged structures. The paper presents a practical Bayesian approach to reliability assessment of such structures based on the inspection of a randomly selected sample of prestressing tendons. To minimize inspection costs, clear guidelines are presented for selecting the minimum sample size necessary to demonstrate that the annual probability of failure of an existi

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Guo, Bin, Dongdong Chen, Linsheng Huo, and Gangbing Song. "Monitoring of Grouting Compactness in Tendon Duct Using Multi-Sensing Electro-Mechanical Impedance Method." Applied Sciences 10, no. 6 (2020): 2018. http://dx.doi.org/10.3390/app10062018.

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The structural integrity of post-tensioning prestressed concrete structures with tendon ducts highly depends on the grouting quality in construction. This paper proposes a real-time approach to monitoring the grouting compactness in tendon ducts using the multi-sensing electro-mechanical impedance (EMI) method. When Lead Zirconate Titanate (PZT) transducers with different pre-selected dimensions are serially connected and mounted on a structure at distributed locations, each PZT provides unique resonance frequency coupled with the local structural physical property. Therefore, the impedance wi

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