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    蘇州混凝土水泥制品研究院有限公司

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    房建材料及制品

    GFRP增強海水海砂混凝土柱軸壓性能研究
    GFRP增強海水海砂混凝土柱軸壓性能研究
    • 李佳敏a,楊樹桐b,劉 暢b
    2022年第7期
    摘要
    引用本文
    摘 ? 要:研究了GFRP縱筋與GFRP箍筋共同作用、GFRP管與GFRP筋共同作用對海水海砂混凝土(SSC)柱軸壓性能的影響。結果表明:隨著GFRP縱筋配筋率的增加,SSC柱的極限承載力相比對照組提高了4.3%~49.8%;采用GFRP管與GFRP筋共同增強后,SSC柱的承載力和延性進一步提高,試件破壞后整體形狀完整,破壞形式得到了改善。 Abstract: The effects of the interaction of GFRP longitudinal bar and GFRP stirrup and the interaction of GFRP pipe and GFRP bar on the axial compressive behavior of seawater sea sand concrete(SSC) columns were studied. The results show that with the increase of GFRP longitudinal bar ratio, the ultimate bearing capacity of SSC column increases by 4.3%~49.8% compared with the control group. The bearing capacity and ductility of SSC column are further improved after GFRP pipe and GFRP bar are used, and the overall shape of the specimen after failure is complete and the failure form is improved.
    李佳敏,楊樹桐,劉暢.GFRP增強海水海砂混凝土柱軸壓性能研究[J].混凝土與水泥制品,2022(7):69-73,79. LI J M,YANG S T,LIU C.Study on Axial Compressive Behavior of Seawater Sea Sand Concrete Columns Reinforced with GFRP[J].China Concrete and Cement Products,2022(7):69-73,79.
    裝配式鋼骨增強微孔混凝土復合樓板力學性能試驗研究
    裝配式鋼骨增強微孔混凝土復合樓板力學性能試驗研究
    • 王洪鎮1,王海瑞1,蘇明明2,馬得俊2,馬 壽2,馬亮亮3
    2022年第7期
    摘要
    引用本文
    摘 ? 要:為研究實際工程中裝配式鋼骨增強微孔混凝土復合樓板的承載能力,通過靜載試驗,得到了其荷載-撓度曲線和裂縫長期發展特征,并對該復合樓板進行了配筋計算、裂縫寬度和撓度驗算。此外,采用有限元軟件MARC對復合樓板進行了受力分析,并與試驗結果進行了對比,發現兩者吻合程度較高。研究結果可為相關復合樓板的設計提供參考。 Abstract: In order to study the bearing capacity of prefabricated steel reinforced microporous concrete composite floor slabs in practical engineering, the loading-deflection relationship and the long-term crack development characteristics of the composite floor slabs were obtained by static loading test. The reinforcement calculation, crack width and deflection checking ?calculation were carried out. The finite element software MARC was used to analyze the stress state of the composite structure slabs, and the results were compared with the test results. The results show that the stress states of theoretical calculation and simulation analysis are quite consistent, which provides a reference for the design of composite structure slabs.
    王洪鎮,王海瑞,蘇明明,等.裝配式鋼骨增強微孔混凝土復合樓板力學性能試驗研究[J].混凝土與水泥制品,2022(7):74-79. WANG H Z,WANG H R,SU M M,et al.Experimental Study on Mechanical Properties of Prefabricated Steel Reinforced Microporous Concrete Composite Floor Slabs[J].China Concrete and Cement Products,2022(7):74-79.
    添加纖維材料的混凝土預制復合墻體應用分析
    添加纖維材料的混凝土預制復合墻體應用分析
    • 張亞東1,段宜棟2,梁美清3
    2022年第7期
    摘要
    引用本文
    摘 ? 要:采用MATLAB軟件中的識別圖像控制技術,對典型混凝土圖像數據進行處理,還原了混凝土中骨料的真實排布情況,同時,探究了基于裝配式預制部品部件的保溫一體化復合墻體的新型構造形式。結果表明:在混凝土中添加纖維材料可有效控制復合墻體的開裂問題;采用外葉板+保溫板+內葉墻的“夾心保溫三明治板”構造形式可有效解決裝配式建筑底部加強區所用墻體超寬、超高及外窗開洞存在的問題。 Abstract: Using the recognition image control technology in MATLAB software, the typical concrete image data were processed to restore the real arrangement of aggregate in concrete. At the same time, the new structural form of thermal insulation integratedcomposite wall based on prefabricated components was explored. The results show that adding fiber materials to concrete can effectively control the cracking of composite wall. The structural form of "sandwich thermal insulation sandwich plate" with outer leaf plate and thermal insulation plate and inner leaf wall can effectively solve the existing thorny problems of super width, super height and additional window holes of the wall used in the bottom reinforcement area of prefabricated buildings.
    張亞東,段宜棟,梁美清.添加纖維材料的混凝土預制復合墻體應用分析[J].混凝土與水泥制品,2022(7):80-82. ZHANG Y D,DUAN Y D,LIANG M Q.Structural Analysis of Precast Concrete Composite Wall with Fiber Materials[J].China Concrete and Cement Products,2022(7):80-82.
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