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    鐘善桐
    （哈爾濱建筑大學(xué)  150008）

[提要]  在獲得鋼材和混凝土在多軸應(yīng)力狀態(tài)時(shí)的本構(gòu)關(guān)系的研究成果的基礎(chǔ)上，把鋼管混凝土視為一種組合的統(tǒng)一體。利用對(duì)其軸心受壓和純剪工作性能的研究結(jié)果，提出了確定組合抗壓強(qiáng)度、組合抗剪強(qiáng)度以及組合模量等設(shè)計(jì)指標(biāo)。
[關(guān)鍵詞]  鋼管混凝土 軸壓 純剪全過(guò)程曲線 組合抗壓 抗剪強(qiáng)度指標(biāo) 組合模量

Based on the constitutive relationships obtained from steel and concrete under multi-stresses state, author puts forward a conception to regard the CFST member as a unified composite material to research its composite characters. The behavior of axial compression and pure shear of members are analyzed. From the load deformation profiles, the composite compressive and shearing strength indexes and elastic modulus are, determined respectively
Keywords: CFST axial compression; pure shear load; deformation profiles; composite axial compression; shearing strength indexes; composite elastic modulus