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Keqi Liu, Wantao Ding and Chunxu Qu
The penetration characteristics of the slurry and the support pressure transfer mechanisms are critical to the tunnel face stability control during a mechanized excavation. In this paper, numerical calculations coupling computational fluid dynamics (CFD)...
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End fittings are essential components in marine flexible pipe systems, performing the two main functions of connecting and sealing. To investigate the sealing principle and the influence of the temperature on the sealing performance, a hydraulic-thermal ...
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Anderson Cristian Bergamin,Antonio Carlos Tadeu Vitorino,Eber Augusto Ferreira do Prado,Fábio Regis de Souza,Munir Mauad,Luiz Carlos Ferreira de Souza
Pág. 169 - 180
Mechanized operations on soils with inadequate moisture cause compaction and are deleterious to soil quality. The aim of this study was to evaluate the influence of different oilseed crop successions on the structural quality of a clayey Rhodic...
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Gogot Setyo Budi,Alvin Gilbert Tandiputra,Haven Kusuma Markho
Pág. 13 - 18
One of the common methods used to install pile foundation is hydraulic jacked-in machine. In this method, a pile is pushed down into the ground up to the predetermined depth. The method has similar principle to that of Cone Penetration Test (CPT). This p...
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He Wang, Rui Wang and Jian-Min Zhang
Suction caissons are widely used foundations in offshore engineering. The change in excess pore pressure and seepage field caused by penetration and suction significantly affects the soil resistance around the caisson wall and tip, and also affects the d...
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Jifei Cui, Peihao Ouyang, Jiani Zhang and Zhenkun Yang
Evaluation of the impact of new static-pressure pile penetration on used piles is vitally important for the reutilization of the used piles. The cavity expansion theory in semi-infinite soil is adopted to obtain the displacement field of the surrounding ...
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Kai Fang, Tongbin Zhao, Yunliang Tan and Yue Qiu
Post-pressure grouting is an effective method to improve bearing capacity of ordinary bored cast-in-situ piles. The migration of the grout along the pile side is regarded as an important mechanism responsible for the improvement of the pile capacity. Res...
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Gogot Setyo Budi
Pág. 50 - 53
Pre-drilling was performed to reduce lateral earth pressure generated by pile foundation hydraulically jacked into expansive soil. Nineteen prestressed-precast spun concrete pile with diameter of 800 mm were penetrated into expansive soil up the depth of...
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Peizhao Zhong, Weiqing Jia, Wenwu Yang, Jianfei He, Erli Zhang, Dongyang Yu, Yuhang Xu, Jianpeng Chen, Feihu Peng, Guoxiang Zeng, Chen Zhang, Shiqi Zeng, Bo Gao, Haihai Pei and Zaiman Wang
The parameters of the discrete element simulation model for rice field soils serve as valuable data references for investigating the dynamic characteristics of the walking wheel of high-speed precision seeding machinery in paddy fields. The research spec...
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Pawel Ogrodnik and Jacek Szulej
This article presents the possibilities of using soft clay pottery waste as concrete aggregate. There is shown a new approach of complete exchange natural aggregate in concrete with recycled aggregate, i.e., crushed ceramic of two fractions 0–4 and...
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Yan Zhang, Xiuli Feng, Shenggui Deng, Chenhao Ding and Tao Liu
Soil dilatancy and partial drainage have great influence on the consolidation coefficient assessment of silty soils with clay content of less than 30% in the Yellow River Delta using the CPTu. This paper discussed the effect of soil dilatancy and partial...
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Zhe Sun, Xupeng Sui, Yanzeng Deng, Li Zou, A. Korobkin, Lixin Xu and Yichen Jiang
In this paper, the characteristics of the impact pressure and force of a trimaran section was studied by Computational Fluid Dynamics (CFD). The time domain features of the slamming pressure or force showed a strong correlation with the penetration depth...
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Bernhard Semlitsch and Mihai Mihaescu
The ability to manipulate shock patterns in a supersonic nozzle flow with fluidic injection is investigated numerically using Large Eddy Simulations. Various injector configurations in the proximity of the nozzle throat are screened for numerous injectio...
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Yuri V. Konovalov
Forced ice-shelf oscillations modeling was undertaken employing a full 3D finite-difference model of an elastic ice shelf that was coupled to a treatment of under-shelf seawater flux. The seawater flux was described by the wave equation, which includes t...
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Kevin Knappe, Christian Stadler, Moritz Innmann, Mareike Schonhoff, Tobias Gotterbarm, Tobias Renkawitz and Sebastian Jaeger
Cemented implant fixation in total joint arthroplasty has been proven to be safe and reliable with good long-term results. However, aseptic loosening is one of the main reasons for revision, potentially caused by poor cementation with low penetration dep...
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Lindung Zalbuin Mase
Pág. 57 - 69
This paper presents one dimensional non-linear site response analysis of liquefaction potential caused by the 2000 and the 2007 earthquakes in coastal area of Bengkulu City, Bengkulu, Indonesia. Site investigations, including Standard Penetration Test (S...
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Bin Ma, Xinchao Ding and Xingzhou Chen
The excavation-unloading damage effects of western high-geostress slopes on rock were explored by testing the pre-peak confining pressure unloading sandstone reloading mechanical properties. The deformation and failure mechanisms were studied from a meso...
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Siguang Zhao, Mingnian Wang, Wenhao Yi, Di Yang and Jianjun Tong
The quality evaluation of the surrounding rock is the cornerstone of tunnel design and construction. Previous studies have confirmed the existence of a relationship between drilling parameters and the quality of surrounding rock. The application of drill...
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Yuri Katz and Morel Groper
This study presents the complete, detailed development process of an enhanced one-man portable Lagrangian float designed for littoral deployment to depths of up to 300 m. The design focused on maximization of the Lagrangian characteristics of the hull, m...
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Suchun Yang, Junwei Liu, Ankit Garg and Mingyi Zhang
When the open-ended pile penetrates the soil layer, the resistance generated by the soil plug cannot be ignored. A pile with a full-size pressure sensor installed at pile tip can detect resistance more accurately than a microsensor when the pile penetrat...
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