Behavior of composite shells under transverse impact and quasi-static loading

AIAA Journal ◽  
1998 ◽  
Vol 36 ◽  
pp. 1065-1073
Author(s):  
Brian L. Wardle ◽  
Paul A. Lagace
Keyword(s):  
Static Loading ◽  
Composite Shells ◽  
Transverse Impact

Behavior of Composite Shells Under Transverse Impact and Quasi-Static Loading

AIAA Journal ◽  
10.2514/2.481 ◽  
1998 ◽  
Vol 36 (6) ◽  
pp. 1065-1073 ◽  
Author(s):  
Brian L. Wardle ◽  
Paul A. Lagace
Keyword(s):  
Static Loading ◽  
Composite Shells ◽  
Transverse Impact

On the behavior of composite shells under transverse impact and quasi-static loading

1997 ◽  
Author(s):  
Brian Wardle ◽  
Paul Lagace ◽  
Brian Wardle ◽  
Paul Lagace
Keyword(s):  
Static Loading ◽  
Composite Shells ◽  
Transverse Impact

scholarly journals Experimental Responses of MWCNTs Reinforced Cross-Ply Thin Composite Shells under Transverse Impact and Thermal Loads

2018 ◽  
Vol 2018 (03) ◽  
pp. 34-49
Author(s):  
Fathi Al-Shamma ◽  
◽  
.Wedad Ibrahim Majeed ◽  
Hayder Abdul Khaliq Ali ◽  
◽  
...  
Keyword(s):  
Thermal Loads ◽  
Composite Shells ◽  
Transverse Impact

Microstructural and fractographic characterization of B4C-Al cermets tested under dynamic and static loading

1989 ◽  
Vol 47 ◽  
pp. 562-563
Author(s):  
Gyeung Ho Kim ◽  
Mehmet Sarikaya ◽  
D. L. Milius ◽  
I. A. Aksay
Keyword(s):  
Thin Film ◽  
Mechanical Properties ◽  
Fracture Toughness ◽  
Static Loading ◽  
Carbon Deposition ◽  
Full Density ◽  
Unique Combination ◽  
Strong Component ◽  
Reaction Products

Cermets are designed to optimize the mechanical properties of ceramics (hard and strong component) and metals (ductile and tough component) into one system. However, the processing of such systems is a problem in obtaining fully dense composite without deleterious reaction products. In the lightweight (2.65 g/cc) B4C-Al cermet, many of the processing problems have been circumvented. It is now possible to process fully dense B4C-Al cermet with tailored microstructures and achieve unique combination of mechanical properties (fracture strength of over 600 MPa and fracture toughness of 12 MPa-m1/2). In this paper, microstructure and fractography of B4C-Al cermets, tested under dynamic and static loading conditions, are described.The cermet is prepared by infiltration of Al at 1150°C into partially sintered B4C compact under vacuum to full density. Fracture surface replicas were prepared by using cellulose acetate and thin-film carbon deposition. Samples were observed with a Philips 3000 at 100 kV.

CREDO RADON UA – INFORMATION MODEL FOR CALCULATION OF ROAD CONSTRACTION

2019 ◽  
pp. 34-42
Author(s):  
Volodymyr Karedin ◽  
Nadiya Pavlenko
Keyword(s):  
Design Process ◽  
Static Loading ◽  
Computer Aided Design ◽  
Experimental Studies ◽  
Construction Materials ◽  
Residual Deformation ◽  
Road Construction ◽  
Information Support ◽  
Existing Structures ◽  
Road Pavement

CREDO RADON UA software provides an automated calculation of the strength of the pavement structures of non-rigid and rigid types, as well as the calculation of the strengthening of existing structures. In the article, one can see the main features and functionality of the CREDO RADON UA software, the main points in the calculations according to the new regulations. Information support of the design process includes necessary databases, informational and helping materials that make up the full support of the pavement design process. The concept of CREDO RADON UA 1.0 software is made on the use of elasticity theory methods in calculations of initial information models of pavements. Performing optimization calculations, the roadwear in CREDO RADON UA is designed in such a way that no unacceptable residual deformation occurs under the influence of short-term dynamic or static loading in the working layer of the earth bed and in the structural layers during the lifetime of the structure. The calculation algorithms were made in accordance with the current regulatory documents of Ukraine. CREDO RADON UA software allows user to create information bases on road construction materials and vehicles as part of the traffic flow for calculations. The presented system of automated modeling makes it easier for the customer to control the quality of design solutions, to reasonably assign designs to layers of reinforcement, to quickly make comparisons of calculations of different designs for the optimal use of allocated funds. Prospects for further improvement of the program should be the results of theoretical and experimental studies on filling the databases, which are used as information support for automated design of road structures. Keywords: CREDO RADON UA, road, computer-aided design, repair project, road pavement, strengthening, construction, rigid pavement, elasticity module, a transport stream, calculation method, information support, dynamic or static loading.

Development of Experimental P-Y Curves from Centrifuge Tests for Piles Subjected to Static Loading and Liquefaction-Induced Lateral Spreading

2020 ◽  
Vol 14 (1) ◽  
Author(s):  
Milad Souri
Keyword(s):  
Static Loading ◽  
Pore Water Pressure ◽  
Water Pressure ◽  
Pressure Ratio ◽  
Lateral Spreading ◽  
American Petroleum Institute ◽  
Unique Contribution ◽  
Pile Groups ◽  
Centrifuge Tests ◽  
Centrifuge Models

The results of five centrifuge models were used to evaluate the response of pile-supported wharves subjected to inertial and liquefaction-induced lateral spreading loads. The centrifuge models contained pile groups that were embedded in rockfill dikes over layers of loose to dense sand and were shaken by a series of ground motions. The p-y curves were back-calculated for both dynamic and static loading from centrifuge data and were compared against commonly used American Petroleum Institute p-y relationships. It was found that liquefaction in loose sand resulted in a significant reduction in ultimate soil resistance. It was also found that incorporating p-multipliers that are proportional to the pore water pressure ratio in granular materials is adequate for estimating pile demands in pseudo-static analysis. The unique contribution of this study is that the piles in these tests were subjected to combined effects of inertial loads from the superstructure and kinematic loads from liquefaction-induced lateral spreading.

scholarly journals Research and development of thick rubber bearing for SFR (Design formulas for thick rubber bearing based on static loading test utilized scale model)

2017 ◽  
Vol 83 (852) ◽  
pp. 17-00050-17-00050 ◽  
Author(s):  
Tsuyoshi FUKASAWA ◽  
Shigeki OKAMURA ◽  
Tomohiko YAMAMOTO ◽  
Nobuchika KAWASAKI ◽  
Satoru INABA ◽  
...  
Keyword(s):  
Research And Development ◽  
Static Loading ◽  
Scale Model ◽  
Loading Test ◽  
Rubber Bearing ◽  
Static Loading Test
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