Browse > Article

Analysis on Component and Mechanical Characteristics for Crushed Stone of Excavated Rocks(II)  

이상호 (경북대학교 농업생명과학대학)
Publication Information
Magazine of the Korean Society of Agricultural Engineers / v.45, no.1, 2003 , pp. 83-90 More about this Journal
Abstract
In order to offer some fundamental data for recycling the excavated rocks, the component and mechanical characteristics was investigated for the excavated rocks, by means of X-ray diffraction analysis, strength test, slacking test and abrasion test were performed. It appeared that the unconfined compressive strength and the elastic wave velocity were the highest in the sound rock. The dissipation rate by stability tests was found to be high in the case of the slacking index of 98% because of more bedding and more clay minerals. The apparent specific gravity of some crushed aggregate was decreased because they included easily weathered minerals while both the absorption and the abrasion were increased. The results in this study were expected to be useful for recycling the excavated rocks as a concrete aggregate.
Keywords
Slaking test; XRD-diagram; Poisson's ratio; Compressive strength; Mineral component;
Citations & Related Records
연도 인용수 순위
  • Reference
1 Bulk, A. D. 1977. Recycled Concrete as a Source of Aggregate, ACI Journal, Title NO.74-22, pp.212-219
2 Yoon. Ji Sun. 1991, Investigation and examination of rock material and rock mass, Japan society of geomechnical engineering
3 Cho, Pyoung Sun. 1988, An experimental study on the effect of aggregate shape influencing to the concrete properties, Degree of Master. Chongju University
4 Kim. Dong chun. 1988, The influence of the height/width ratio of rock specimen on its uniaxial compressive strength, Degree of Master. Inha University
5 Clive Whiston, 1987. X-rray Methods, Analytical Chemistry by Open Learning, : Wolverhampton Polytechnic. UK. 29-33 pp.296-305, 309-312
6 Deere. D. U. and Miller. R. P. 1996, Engineering classification and index properties for intact rock, Technical Report No. AFNL-TR-65116 Air Force Weapons Laboratory, New Mexico
7 Song, Sun Ho. 1994, A study on absorption properties in rock specimen. Degree of Master. Chungbuk National University
8 Richard E. Goodman., 1989, Introduction to Rock Mechanics, John Wiley & Sons, pp.55-99