- 摘 要
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（1 鐵道第三勘察設(shè)計院集團有限公司， 天津 300142； 2 東北大學(xué)資源與土木工程學(xué)院， 沈陽 110819）
［摘要］以STS(Steel Tube Slab)管幕構(gòu)件室內(nèi)試驗為依托，為充分研究STS管幕構(gòu)件的力學(xué)性能，建立構(gòu)件的有限元模型，用試驗結(jié)果標定有限元模型。在此基礎(chǔ)上，對管幕結(jié)構(gòu)不同荷載階段下的變形和應(yīng)力進行分析，并研究了鋼管厚度，翼緣板厚度，螺栓直徑等參數(shù)對STS管幕構(gòu)件延性的影響。結(jié)果表明：鋼管厚度的變化，對試件的延性影響較大；翼緣板厚度的變化，能顯著提高試件的延性；螺栓直徑的變化，對試件的延性影響不明顯。
［關(guān)鍵詞］管幕結(jié)構(gòu)； 延性； 變形； 數(shù)值分析； 鋼管混凝土； ABAQUS
中圖分類號： TU93 文獻標識碼： A文章編號： 1002-848X(2016)S2-0569-05
Numerical analysis of mechanical behavior of steel tube slab structure based on ABAQUS
Guan Yongping1, Jia Pengjiao2, Zhao Wen2, Han Jianyong2， Li Shengang2， Cheng Cheng2
（1 The 3rd Railway Survey & Design Institute, Tianjin 300142, China；2 School of Civil & Engineering, Northeastern University, Shenyang 110819, China）
Abstract： Based on the experimental results of STS(Steel Tube Slab) specimens, the elaborate element models are proposed to sufficiently study on the mechanical properties of STS specimens, the finite element model is verified by using the experimental results. On this basis, deformation and stress of every stage of STS structure were analyzed, and analysis on influence of steel thickness, flange thickness and bolt diameter on mechanical properties of STS specimens was operated. The results indicate: steel thickness has had a big impact on ductility of STS specimens; flange thickness has a notable improvement on ductility of STS specimens; however, bolt diameter and reinforcement ratio have little influence on ductility of STS specimens.
Keywords： steel tube slab structure; ductility; deformation; numerical analysis; concrete-filled steel tube; ABAQUS
作者簡介：關(guān)永平，博士，工程師，主要從事城市地鐵隧道方面的設(shè)計和研究工作，Email：guanyongping@126.com。
*國家自然科學(xué)基金項目(51578116)。
