|
|
|
|
|
Yang Cheng and Liangliang Zhang
Uniaxial and five conventional triaxial compression tests were conducted on sandstone to obtain the evolution laws of the input energy density, elastic strain energy density, and dissipative energy density. The input and dissipative energy densities incr...
ver más
|
|
|
|
|
|
|
|
|
|
|
Qiang Xie, Jun Duan, Yuxin Ban, Xiang Fu and Shilin Liu
Rock failure and instability usually lead to significant engineering disasters. This paper aims to establish an experimental failure criterion to predict rock failure via testing the laser vibration characteristics of marble specimens. Uniaxial compressi...
ver más
|
|
|
|
|
|
|
|
|
|
|
Wei Lin and Cheng Su
The growing demand for the application of jacket platforms in deep water requires more attention on the assessment of structural reliability. This paper is devoted to the dynamic reliability analysis of jacket platforms subjected to random wave loads wit...
ver más
|
|
|
|
|
|
|
|
|
|
|
Ana Alencar, Rubén Galindo, Claudio Olalla Marañón and Svetlana Melentijevic
This paper aims to study the bearing capacity of a shallow foundation on rock mass, considering the most usual bridge footing width and adopting a Hoek?Brown material. The dimension of the foundation has been shown to be very significant in soils with li...
ver más
|
|
|
|
|
|
|
|
|
|
|
Wenpu Li, Dongming Zhang and Minghui Li
Pore gas has a significant influence on rock strength. This study performed triaxial compression tests of gas-infiltrated sandy shale samples to investigate the strength characteristics under gas pressures of 0 and 2 MPa. The effective stress coefficient...
ver más
|
|
|
|
|
|
|
|
|
|
|
Kai Qin, Renjun Yan, Wei Shen and Siyuan Gui
This paper studies the compressive failure behavior of pw-GFRP (plain-woven glass fiber reinforced polymer) sandwich composite L-joints for ships. Six L-joint specimens were subjected to ultimate compressive tests, which show that damage and stiffness de...
ver más
|
|
|
|
|
|
|
|
|
|
|
Muhammad Ayaz Ahmad, Hamza Rafiq, Syed Irtiza Ali Shah, Sabih Ahmad Khan, Syed Tauqeer ul Islam Rizvi and Taimur Ali Shams
The design and development of high-strength and low-weight composite landing gear struts is still a challenge in today?s world. In this study, a selection methodology for fiber-reinforced composite material for retractable main landing gear struts for sp...
ver más
|
|
|
|
|
|
|
|
|
|
|
Chayut Ngamkhanong, Suraparb Keawsawasvong, Thira Jearsiripongkul, Lowell Tan Cabangon, Meghdad Payan, Kongtawan Sangjinda, Rungkhun Banyong and Chanachai Thongchom
In this paper, Artificial Neural Networks (ANN) have been utilized to predict the stability of a planar tunnel heading in rock mass based on the well-defined Hoek-Brown (HB) yield criterion. The HB model was developed to capture the failure criterion of ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Elide Nastri and Paolo Todisco
Sometimes it is difficult to choose the most appropriate failure criterion for the problem analyzed. For brittle materials, attention must be paid to the availability of experimental data and the calibration of the representative parameters, within the c...
ver más
|
|
|
|
|
|
|
|
|
|
|
Ephraim Suhir
In this paper it is shown that the bathtub-curve (BTC) based time-derivative of the failure rate at the initial moment of time can be considered as a suitable criterion of whether burn-in testing (BIT) should or does not have to be conducted. It is also ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Hernan Andres Pinto, Alvaro Rodrigo Peña, Ignacio Aravena
Pág. 80 - 85
In this paper the authors propose a new damage accumulation modelbased on an exponential approach for aluminum closed cell foam underfully reversed cyclic loading. The model developed need as an input, theinformation about the fatigue behavior of the mat...
ver más
|
|
|
|
|
|
|
|
|
|
|
Muhammad Yousaf and Chuwei Zhou
Indentation is an effective indication of LVI damage in PMCs. However, indentation can rebound partly with time. Thus, a good understanding of the rebound behavior of the impacted pit is helpful in damage assessment for composites. In this paper, a trans...
ver más
|
|
|
|
|
|
|
|
|
|
|
Taozhen Sheng, Tongchun Li, Xiaoqing Liu and Huijun Qi
The stability analysis of rock slopes has been a prominent topic in the field of rock mechanics, primarily due to the widespread occurrence of discontinuous structural planes in rock masses. Based on this complex characteristic of rock slopes, this paper...
ver más
|
|
|
|
|
|
|
|
|
|
|
M. O. Kostin,V. V. Artemchuk
Pág. 48 - 52
The authors have performed the probability forecasting of parametrical reliability of wheelset axlebox frames of electric locomotives according to criterion of wear. The law of distribution of the frame diameter value D at an arbitrary value of the locom...
ver más
|
|
|
|
|
|
|
|
|
|
|
Xiufei Wang, Kun Liu, Mingcai Xu and Hewei Liu
In this study, a common cruciform structure in ship hulls was designed and experimented with in order to analyze its deformation characteristics under planar collision and quasi-static loading. The mechanical parameters of the materials were determined b...
ver más
|
|
|
|
|
|
|
|
|
|
|
Panagiotis Sitarenios and Francesca Casini
This paper presents a three-dimensional slope stability limit equilibrium solution for translational planar failure modes. The proposed solution uses Bishop?s average skeleton stress combined with the Mohr?Coulomb failure criterion to describe soil stren...
ver más
|
|
|
|
|
|
|
|
|
|
|
Leonid Berezin, Mykola Rubanka, Alla Rubanka, Yurii Kovalov, Serhii Pleshko
Pág. 111 - 119
The questions of design maintenance of a given fatigue longevity of rods of complex form during the intensification of load modes without changing of geometric, inertial and rigidity parameters of roads are considered. The study is conducted on the examp...
ver más
|
|
|
|
|
|
|
|
|
|
|
Duohua Wu, Zhiwen Li, Juli Li, Bo Peng and Hui Shen
To reduce the failure probability of rigid supporting structures caused by large deformation of deeply buried high-stress soft rock roadways, the mechanical properties and failure features of basalt fiber-rubber granular concrete (BFRGC) are investigated...
ver más
|
|
|
|
|
|
|
|
|
|
|
Tiago Fazeres-Ferradosa, Francisco Taveira-Pinto, Paulo Rosa-Santos and João Chambel
The present paper provides a reliability assessment of scour protections applicable to both the static and dynamic stability design. As a case study, Horns Rev 3 hindcast data is used to simulate different failure criteria for an exemplary scour protecti...
ver más
|
|
|
|
|
|
|
|
|
|
Unreinforced stone masonry made of low strength mortar has been used for centuries in forming old type stone masonry churches of the “Basilica” typology. The seismic performance of such stone masonry structures damaged during recent strong se...
ver más
|
|
|
|
|
|