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《DAM OBSERVATION AND GEOTECHNICAL TESTS》 2000-05
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RESEARCH OF SHEAR STRENGTH CHARACTERISTICS OF REINFORCED GALLET

Huang Ying 1, Bao Huahu 2 (1 Kunming University of Technology, Kunming 650051) (2 Research Institute,Kunming Investigation Design and Research Institute, National Power Corporation,Kunming 650033)  
A research about the shear strength of gallet is carried out by comparison of the outcomes of high pressure and large scale triaxial tests of reinforced and unreinforced gallet.It is shown that the essential properties of unreinforced gallet are issued out in the curves of stress strain volumetric strain of the compound of gallet and geogrid, but the curves are higher evidently than those of gallet which show that the compound's abilities to resist deformation and failure are strengthened.By reinforcement,the cohesion of the compound is remarkably increased but the friction angle remains the same. The constitutive relation can be described by the Duncan Chang model.Loading unloading curves of gallet are parallel lines.It is also shown that the larger the diameter of the gallet and the harder the gallet, the higher the shear strength,the better the properties to reduce deformation of the compound.
【CateGory Index】: TU52
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