Engineering Information Services (EIS)
The EIS compiles information about existing research information from the various units, departments, institutes, and programs of the U.P. College of Engineering. It also publishes research output in the periodicals and technical bulletins managed by the UPNEC. The Philippine Engineering Journal (PEJ) is a semi-annual peer-reviewed publication of original works, reviews, discussions and technical papers in the field of engineering. The COE/NEC Technical Bulletin is a compilation of research abstracts written by faculty and students of the UP College of Engineering, as well as papers presented during colloquiums.
Philippine Electric Power Industry Market and Policy Assessment and Analysis of International Markets
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DownloadSummary: Presented during the National Power Forum "Electric Power Industry Reform: Philippines and International Experience, August 12, 2011, College of Engineering, University of the Philippines Diliman, Quezon City
Categories: Other Publication, Publication
Continuous beams on elastic supports: an alternative equation
Summary: The integrated equation of the elastic curve of an elastically supported continuous beam that is acted on by any number of concentrated forces, concentrated couples, and uniformly varying loads is obtained by using the Laplace transformation. The support may consist of a Winkler foundation, and/or simple supports and/or cantilever supports which may be linearly elastic or rigid.
Categories: PE Journal
Design and development of a two post rotary-percussion drilling rig
Summary: A two-post Rotary Percussion drilling rig (AMDP Model 2 Drilling Rig) for shallow tubewell irrigation development was successfully developed at the Agricultural Mechanization Development Program, University of the Philippines at Los Baños.
Consisting of a 5 horsepower horizontal shaft gasoline engine as the prime mover for rotary drilling, 4 horsepower direct coupled water pump for jetting, overhead platform mounted on two post system, a reduction gear box, hoist and cable system sub-assembly, sliding engine mount sub-assembly and basic strut supports; it is capable of drilling into various soil formations up to 100 feet and even deeper.
This paper presents the design features and especial capabilities of said drilling rig.
Categories: PE Journal
Analytical generation of stress-strain properties of coir fiber reinforced composites in axial compression
Summary: Abstract:
This paper examines the comprehensive stress-strain properties of concrete and mortar matrix reinforced with a natural cellulosic fiber i.e., coconut (coir) fiber. An extensive experimental program was carried out to investigate the inter-relationship of fiber reinforcing parameters such as fiber volume fraction, length or aspect ratio in combination with different grades of concrete or mortar matrices and the resulting stress and strain properties of the fiber-cement composite materials in axial compression. In order to characterize the stress-strain curve of a fiber concrete/mortar, a fractional second degree polynomial model developed by Sargin (1971) and modified by Wang et al. (1978) was used in this study. Findings showed that the analytical model can satisfactorily generate the complete stress-strain properties of a fiber composite material based solely on the knowledge of material properties of the composite constituents.
Categories: PE Journal