Results 61 to 70 of about 2,247 (221)

Nonlinear analysis of flat post‐tensioned concrete slab–edge column connections

Structural Concrete, EarlyView.
Abstract This study presents nonlinear finite element analyses to investigate the punching shear behavior of unbonded post‐tensioned concrete flat slabs at slab‐edge column connections. A parametric analysis was conducted to evaluate the influence of four critical parameters on the punching shear resistance: the distribution of prestressing tendons ...
Igor Gonçalves, Ricardo Randi, Orlando M. Almeida, Elyson A. P. Liberati, Leandro M. Trautwein   +4 more
wiley   +1 more source

Shape Accuracy of a Joint-Dominated Deployable Mast [PDF]

, 2010
This paper presents a study to capture and model friction related changes in the un-loaded configuration of deployable masts with articulated joints. A finite model of a rep-resentative mast structure is described.
Pellegrino, S., Stohlman, O. R.
core   +1 more source

Pre‐failure behavior of continuous post‐tensioned and post‐grouted beam in case of tendon failure

Structural Concrete, EarlyView.
Abstract Grouted tendons are a common solution for long‐span bridge structures. The grout provides bond and corrosion protection for prestressing steel. However, if the grouting is defective, corrosion of the prestressing steel may initiate and eventually lead to tendon failure.
Olli Asp, Joonas Tulonen, Anssi Laaksonen   +2 more
wiley   +1 more source

Application of intelligent anchor cable axial force monitoring system in foundation pit support engineering

MATEC Web of Conferences, 2018
Using the self-developed intelligent anchor (cable) axial force monitoring system, real-time on-line monitoring of the axial force of the prestressed anchor and anchor cable in the foundation pit support structure system is realized.
Zheng-jun HUANG, Lei ZHANG, Shen-hua JIAO, Yu LIU, Dong ZHANG, Liang ZHANG   +5 more
doaj   +1 more source

Corrosion Investigation of Rock Anchors Served over 10 Years in Underground Powerhouse of a Hydropower Station

Advances in Materials Science and Engineering, 2022
With the wide application of prestressed anchors in high slopes, underground structures, and bridge projects, the corrosion problems of the anchor structure during the long-term service have demanded more attention.
Tao Yin, Xingsong Sun, Yujie Wang, Yufei Zhao   +3 more
doaj   +1 more source

Study on the Effect of Anchor Cable Prestress Loss on Foundation Stability

Applied Sciences
Anchor cable prestressing is one of the key factors in maintaining the stability of the supporting structure and controlling ground deformation. In order to further understand the influence of anchor cable prestress loss on the stability of the foundation pit, an underground station pit of Qingdao Metro Line 6 is taken as the engineering background ...
Tongju Xing, Hongjun Liu, Jianguo Zheng, Xiaoxi Yu, Yanbin Li, Huadong Peng   +5 more
openaire   +2 more sources

Decoupling Seasonal Seismic Velocity Changes on Slow‐Moving Slopes in Southwest China Using Tree Ensemble Machine Learning

Geophysical Research Letters, Volume 53, Issue 9, 16 May 2026.
Abstract Changes in seismic properties can help assess slope damage, which is influenced by external factors such as temperature, relative humidity, rainfall, air pressure, and local seismicity. However, the contributions of these factors, and how the dominant factor modulates transient and seasonal seismic velocity changes (δv/v $\delta v/v$), remain ...
Dekang Li, Fan Xie, Qing‐Yu Wang, Piero Poli, Clément Hibert, Yifei Cui, Li Li, Hengshu Zhu   +7 more
wiley   +1 more source

Effect of Anchor Plate on Prestressed Anchor Cable Performance in Soft Rock Tunnels

Geotechnical and Geological Engineering
Abstract In deep-buried soft rock excavation, the stability of prestressed anchor cable system is impacted by uneven contact with rough rock surfaces, which affects prestress effectiveness and loss. However, the influence of anchor plate deformation under varying contact conditions has not been systematically studied. To address this research
Chuanyang Peng, Chao Wang, Zili Li, Qiang Chen   +3 more
openaire   +1 more source

Investigation of prestressed reinforced concrete for highway bridges, part V, analysis and control of anchorage-zone cracking in prestressed concrete [PDF]

, 1968
Cover title.Prepared as part of an investigation conducted by the Engineering Experiment Station, University of Illinois at Urbana ...
Sozen, Mete Avni, 1930-, Welsh, W.A.
core  

Appearance Inspection‐Based Typical Damage Investigation of Concrete Curved Girder‐Type Bridges Subjected to Temperature and Vehicle Effect

Engineering Reports, Volume 8, Issue 5, May 2026.
Technical approach of the article. ABSTRACT This study focuses primarily on concrete curved girder‐type bridges, which are commonly used for urban roads and highways. Over the last two decades, practical experience in bridge engineering has shown that these bridges have unique mechanical and damage characteristics, unlike conventional straight bridges.
Sai Gong, Qiwen Jin, Yili Sun, Tongning Wang, Shixiang Ding   +4 more
wiley   +1 more source