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Chuan Wang, Lianghai Liu, Ya Zhang and Min Lou
This study aims to investigate the interaction between reinforced thermoplastic pipes (RTPs) and sandy soil. The mechanical properties of sandy soil in the South China Sea region were determined through shear tests to obtain fundamental data. Subsequentl...
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Feng Tian, Qingfeng Miao, Haibin Shi, Ruiping Li, Xu Dou, Jie Duan, Jing Liu and Weiying Feng
As an effective method to improve saline?alkali land, the drainage from subsurface pipes has been extensively studied in typical arid and semi-arid agricultural areas (Hetao Irrigation District). However, there are few studies on the improvement of subsu...
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Hoki Ban, Seungjun Roh and Won-Jun Park
Numerous factors affect the soil pressure distributions around buried pipes, including the shape, size, and stiffness of the pipe, burial depth, and the stiffness of the surrounding soil. Additionally, to some extent, a pipe can benefit from the soil arc...
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Yasutaka Tanaka, Taro Uchida, Hitoshi Nagai and Hikaru Todate
Soil pipes are commonly found in landslide scarps, and it has been suggested that build-up of pore water pressure due to clogged soil pipes influences landslide initiation. Several researchers have also suggested that entrapped air in the soil layer incr...
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Feng Wu, Xuefang Feng, Xuemei Liu, Di Wu, Songmei Zai and Linbao Liu
Stalk composite pipe (SCP), a novel product used for subsurface irrigation, is primarily composed of crop stalks, soil, and water. In subsurface SCP irrigation (SSI), comprehending the effects of burial furrow parameters on soil water movement is critica...
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Yadong Zhou, Zhenchao Teng, Linlin Chi and Xiaoyan Liu
Based on the unit life and death technology, the dynamic evolution process of soil loss is considered, and a pipe-soil nonlinear coupling model of buried pipelines passing through the collapse area is constructed. The analysis shows that after the third ...
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Zhenkui Wang and C. Guedes Soares
Buckle-initiation techniques, such as sleepers, are usually installed to trigger lateral buckling at pre-designated locations to release the axial compressive forces induced by thermal loading. Taking the nonlinear pipe?soil interaction model into accoun...
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Yumin Shi, Fuping Gao, Ning Wang and Zhenyu Yin
The instability of a partially embedded pipeline under ocean currents involves complex fluid?pipe?soil interactions, which may induce two typical instability modes; i.e., the lateral instability of the pipe and the tunnel erosion of the underlying soil. ...
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Eugene Moore, James Ward and Wilson Lennard
To assist waste management decision-making, there is a need to assess the economics of commercial-scale reuse of recirculating aquaculture system (RAS) effluent in horticulture. This study compared the feasibility/viability of using two representative ho...
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A. O. Hurzhij
Pág. 34 - 38
The research results of influence of the deformation of tailing-dump dams on the sludge lines are considered. In designing the routes of sludge lines, it is offered to calculate the base deformations under the sludge line to substantiate the anti-destruc...
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A. S. Koretskiy,A. I. Lantuh-Lyaschenko,K. V. Medvedev
Pág. 131 - 137
Recently in the European countries the designs of flexible pipes and pipe bridges, the bearing capacity of which is provided by passive resistance of soil, have found more applications. The paper presents an analysis of existing models for calculating fl...
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Feng Tian, Haibin Shi, Qingfeng Miao, Ruiping Li, Jie Duan, Xu Dou and Weiying Feng
The subsurface pipe drainage project is essential in farmland drainage operations and is globally recognized as an effective saline?alkali land improvement measure owing to its efficient drainage capacity and low land occupation rate. This study aimed to...
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Jinfeng Li, Huie Chen, Xiaoqing Yuan and Wenchong Shan
As a solution to avoid the blockage of the drainage pipe by traditional vacuum preloading, step vacuum preloading (SVP) has been progressively studied. However, the effectiveness of this technique has yet to be systematically analyzed. In this study, an ...
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Junwei Liu, Zhen Guo and Bo Han
Open-ended pipe piles have been increasingly used as the foundations for offshore structures. Considering the soil plugging effect, a novel analytical model is proposed in this paper to study the load transfer mechanism of open-ended pipe piles. A trilin...
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Zhe Mei, Anfeng Xiao, Jiahao Mei, Jinqiu Hu and Peng Zhang
In order to study the variation law of shear frictional characteristics of the steel pipe jacking and sand interface under different working conditions, the shear stress?strain curve between five different particle sizes of sand and steel pipe jacking un...
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Ning Wang, Wengang Qi and Fuping Gao
Predicting the instability trajectory of an obliquely loaded pipeline on the seabed is vital for the global buckling assessment. To numerically investigate the obliquely loaded pipe?soil interactions, a plane strain elastoplastic finite element model inc...
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Xiaohua Bao, Zilong Cheng, Jun Shen, Xiaodong Zhang, Xiangsheng Chen and Hongzhi Cui
A new stiffened composite pipe pile was developed for improving the foundation of reclaimed ground in ocean engineering. To study the bearing capacity of the stiffened composite pipe pile group, a combination of field test and finite element method was u...
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Juanjuan Zhu, Joby B. Boxall, Andrew F. Hills, Rob S. Dwyer-Joyce, Sean R. Anderson and Richard P. Collins
The ability to detect early signs of failure in buried pipe infrastructure is necessary to facilitate the continued use of ageing infrastructure for delivery of society?s essential services and move beyond disruptive and expensive reactive maintenance an...
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Zaolong Jiang, Xin Gao, Xiaozhe Feng and Dachuan Chen
In order to study the feasibility and superiority of foam lightweight concrete (FLC) for existing buried high-pressure gas pipeline section under soft soil roadbed, this paper takes the buried existing high-pressure gas pipeline section under the second ...
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V. V. Kovalchuk
Pág. 199 - 207
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