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CFRP加筋中砂的试验研究
引用本文:杜运兴,尚守平,周芬.CFRP加筋中砂的试验研究[J].湖南大学学报(自然科学版),2005,32(6):28-31.
作者姓名:杜运兴  尚守平  周芬
作者单位:湖南大学,土木工程学院,湖南,长沙,410082
基金项目:湖南省交通厅科技项目(200145)
摘    要:采用碳纤维增强塑料(CFRP)作为加筋材料,研究加筋后中砂的承载能力.采用固结不排水三轴试验.试验中考虑了试件加筋层数、加筋形式、围压这3种因素对中砂承载能力的影响.试验采用中号试样,试样直径61.8mm,试样高度150mm.试验表明,中砂试样采用CFRP加筋后,明显增加了中砂试样的强度且减小了中砂试样的变形;而且随着围压的增大,加筋试样的强度增加率会降低.

关 键 词:CFRP材料  加筋土  中砂  强度  三轴试验
文章编号:1000-2472(2005)06-0028-04
收稿时间:03 21 2005 12:00AM
修稿时间:2005-03-21

Experimental Study of Medium Sand Reinforced with CFRP
DU Yun-xing,SHANG Shou-ping,ZHOU Fen.Experimental Study of Medium Sand Reinforced with CFRP[J].Journal of Hunan University(Naturnal Science),2005,32(6):28-31.
Authors:DU Yun-xing  SHANG Shou-ping  ZHOU Fen
Institution:College of Civil Engineering, Hunan Univ, Changsha,Hunan 410082, China
Abstract:The bearing capacity of medium sand,which was reinforced with carbon fabrics reinforced plastics(CFRP),was studied.The test method was consolidated and undrained triaxial-test.The effects of the three factors on the bearing capacity of medium sand was taken into account,such as reinforcement-layers,reinforcement-forms and cell pressure.The medium-size test piece was adopted,which was 61.8 mm in diameter and 150 mm in height.The results showed that,when the test piece of medium sand was reinforced with CFRP,its strength increased and its deformation decreased obviously.In addition,with the increment of cell pressure,the increment rate of strength reduced.
Keywords:CFRP material  reinforced earth  medium sand  strength  triaxial tests
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