哈尔滨工程大学学报2018，Vol.39Issue(7)：1198-1205,1226,9.DOI:10.11990/jheu.201612073
碱式硫酸镁水泥混凝土梁剪切破坏的试验研究
Experimental study on shear destruction of BMSC concrete beam
摘要
Abstract
To explore the application of bitumen modified sulfur concrete (BMSC) in structures, shear performance tests were carried out for 14 pieces of BMSC beam to test the deflection , bearing capacity, crack propagation, stir-rup, and concrete strain of the beam under a static load.The experimental results show different destruction modes in common concrete beam made from a different material and BMSC beam.Compared with the common concrete beam, the BMSC beam has advantages on aspects such as cracking load ( the cracking moment is about 10%). With an increase of the strength of BMSC , the crack resistance and shear capacity of beam increase , resulting in minimal deformation; however, its ductility decreases.The present formulas for calculating the shear stiffness and deflection of common concrete beams are applicable to BMSC beams , but the formulas for calculating the bearing capacity and crack width need to be modified.The experimental results show that BMSC beams can withstand ob-lique section destruction.关键词
碱式硫酸镁水泥/混凝土/配合比/梁/极限抗剪强度/承载力/抗裂Key words
basic magnesium sulfate cement(BMSC)/concrete/mixture ratio/beam/ultimate shear strength/bearing capacity/crack resistance分类
建筑与水利引用本文复制引用
曾翔超,余红发,吴成友..碱式硫酸镁水泥混凝土梁剪切破坏的试验研究[J].哈尔滨工程大学学报,2018,39(7):1198-1205,1226,9.基金项目
国家自然科学基金项目(U1407104) （U1407104）
江苏省优势学科资助项目(PDCA). （PDCA）
