01674nam a2200253 a 450000500170000000800410001703500150005804100070007310000220008024500630010226000520016530000100021744000580022749000280028550001430031350200590045652006330051565000410114870000350118970000430122470000410126771000470130885600650135520260818100031.0                                          a.b102474760 aEN  aChang, Shun-chung 0aEngineering properties of Phra Wihan sandstone in Thailand  aBangkok :bAsian Institute of Technology,c1981  a184 p 0aAsian Institute of Technology. Thesis ;vno. GT-80-171 aThesis ; vno. GT-80-17  aA thesis submitted in partial fulfilment of the requirements for the degree of Master of Engineering, School of Engineering and Technology  aThesis (M. Eng.) - Asian Institute of Technology, 1981  aPhra Wihan Sandstone from 7 locations were collected from the Khorat Plateau in Thailand. Its physical, mechanical and mineralogical properties were studied in detail in the laboratory. The correlations between various properties were established. The results show that the porosity  and schmidt rebound number are the suitable index properties for making rapid assessments of rock strength in the Phra Wihan Sandstone. The average porosity and Schmidt rebound number of this sandstone are 7.80% and 48 .5, the corresponding unconfined compressive strength and Brazilian tensile strength are 85.58 MPa and 7.92 MPa respectively. 0aSandstonexThailandxKhoratxTesting0 aPrinya Nutalaya, eChairperson1 aBrenner, R.P., eExamination Committee1 aOhta, Hideki, eExaminaion Committee2 aR.S.E.A. (R.O.C.), eExamination Committee  3Full-Textuhttp://203.159.5.9/ait-thesis/detail.php?q=B21650