CAJ | 학술논문

在溢洪道基础用胶凝砂砾石（CSG ）材料配合比优选的基础上，通过泊松比、圆柱体轴心抗压强度、静力抗压弹性模量、渗透及静三轴试验进一步研究了材料的力学性能。试验结果表明：CSG材料的泊松比为0．21，抗压弹性模量小于混凝土材料的抗压弹性模量；孔隙率较大，具有中等渗透性，有一定自由排水能力；CSG材料的应力－应变关系存在明显的线性、非线性和软化三个阶段，体应变呈现先剪缩后剪胀的塑性破坏特征，破坏角较大。研究结果为溢洪道基础强度、变形分析提供设计参数，也为CSG材料的应用和发展提供理论依据。
재일홍도기출용효응사력석（CSG ）재료배합비우선적기출상，통과박송비、원주체축심항압강도、정력항압탄성모량、삼투급정삼축시험진일보연구료재료적역학성능。시험결과표명：CSG재료적박송비위0．21，항압탄성모량소우혼응토재료적항압탄성모량；공극솔교대，구유중등삼투성，유일정자유배수능력；CSG재료적응력－응변관계존재명현적선성、비선성화연화삼개계단，체응변정현선전축후전창적소성파배특정，파배각교대。연구결과위일홍도기출강도、변형분석제공설계삼수，야위CSG재료적응용화발전제공이론의거。
On the basis of the cementitious sand and gravel(CSG)used in the spillway foundation mixture ratio selective preference ,ac‐cording to poisson's ratio ,cylinder axial compressive strength ,static compressive modulus of elasticity ,permeability and static tri―axial tests further study the mechanical properties of materials .The results show that :CSG materials poisson's ratio is 0 .21 ,com‐pressive elastic modulus of less than concrete compressive modulus of elasticity .Porosity is large ,it has moderate permeability ,and certain free drainage capacity .CSG material stress―strain relationship exists three phases :linear ,nonlinear ,and softening of body strain .Study results provide design parameters for the spillway foundation of strength and deformation analysis ,but also provide a theoretical basis for the application and development of CSG material .