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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

    預應力混凝土鋼管桁架疊合板的研究與應用
    預應力混凝土鋼管桁架疊合板的研究與應用
    • 郭 健1,吉 成2,金如元1,董嘉林1
    2021年第3期
    摘要
    引用本文
    摘 ? 要:預應力混凝土鋼管桁架疊合板是一種新型疊合板,具有質量輕、承載能力強、抗裂性能好以及生產效率高等優點。以江蘇省企業標準設計圖集《預應力混凝土鋼管桁架疊合板》的編制為背景,介紹了該產品的計算、構造相關規定及生產、制作相關要求,分析了該產品的特點,并提出了下一步研究方向。 Abstract: Prestressed concrete composite slab with grouted steel pipe trusses is a new type of composite plate, which has the advantages of light weight, strong bearing capacity, good crack resistance and high production efficiency. Based on the compilation of Jiangsu Province enterprise standard design atlas Prestressed Concrete Composite Slab with Grouted Steel Pipetrusses, the calculation, construction and production requirements of the product are introduced, the characteristics of the product is analyzed, and the next research direction is put forward.
    郭健,吉成,金如元,等.預應力混凝土鋼管桁架疊合板的研究與應用[J].混凝土與水泥制品,2021(3):66-68,75. GUO J,JI C,JIN R Y,et al.Research and Application of Prestressed Concrete Composite Slabs with Grouted Steel Pipe Trusses[J].CHINA CONCRETE AND CEMENT PRODUCTS,2021(3):66-68,75.
    地鐵車站疊合式墻板收縮裂縫控制技術 研究進展
    地鐵車站疊合式墻板收縮裂縫控制技術 研究進展
    • 劉 毅1,潘 清1,張明亮2,劉家彬2,龐超明3,秦鴻根3
    2021年第3期
    摘要
    引用本文
    摘 ? 要:整體裝配式地下車站疊合式墻板存在大面積預制混凝土板與現澆混凝土如何有機結合、解決現澆混凝土裂縫和墻體滲漏的問題,這與傳統現澆混凝土施工工藝存在較大差異,其具體實施過程中將面臨很多新的結構、材料和施工技術方面的問題。針對某城市軌道交通地鐵車站建設的需要,基于現有大面積混凝土收縮裂縫和新老混凝土約束裂縫現狀和控制技術研究成果,從結構設計、混凝土材料、施工技術三方面,探討并提出了地下車站整體裝配式疊合墻板裂縫控制的有效措施。 Abstract: The integrally assembled underground station laminated wall panel has the problems of how to organically combine the large area of precast concrete slab and cast-in-place concrete, and how to solve the problems of cast-in-place concrete cracks and wall leakage, which is different from the traditional cast-in-place concrete construction process. During its specific implementation process, it will face many new structural, material and construction technology issues. In view of the needs of the construction of a certain urban rail transit subway station, based on the existing large-area concrete shrinkage cracks and the new and old concrete restraint cracks status and control technology research results, from the three aspects of structural design, concrete materials, construction technology, the underground stations effective measures for crack control of integrally assembled laminated wall panels are discussed and put forward.
    劉毅,潘清,張明亮,等.地鐵車站疊合式墻板收縮裂縫控制技術研究進展[J].混凝土與水泥制品,2021(3):69-75. LIU Y,PAN Q,ZHANG M L,et al.Research Progress of Shrinkage Crack Control Technology of Laminated Wall Panel in Subway Station[J].CHINA CONCRETE AND CEMENT PRODUCTS,2021(3):69-75.
    糧食側壓力作用下密肋復合墻板肋格單元數值模擬
    糧食側壓力作用下密肋復合墻板肋格單元數值模擬
    • 丁永剛,王浩然,趙金全,劉 強,許啟鏗
    2021年第3期
    摘要
    引用本文
    摘 ? 要:在已有試驗基礎上,進行了基于內聚力模型的密肋復合墻板靜力加載全過程有限元分析,研究了密肋復合墻板結構在糧食側壓力作用下的受力機理。結果表明:黏結界面開裂后,基于內聚力模型的密肋復合墻板在協同受力作用下表現出“拱”破壞形式;黏結界面損傷主要分布在跨中板底及板頂與邊肋梁、柱接觸區域,損傷及位移模擬結果與試驗結果一致;基于內聚力模型的密肋復合墻板具有與矩形雙向板相似的塑性鉸線破壞特征,驗證了內聚力模型的合理性,為糧食平房倉密肋復合墻板的結構計算分析提供了參考。 Abstract: On the basis of the existing tests, the finite element analysis of the whole process of static loading of multi-ribbed composite wall was carried out based on the cohesion model, and the mechanical mechanism and the finite element calculation method of multi-ribbed composite wall structure under the lateral pressure of grain were studied. The results show that after the interface cracks, the ribbed composite wall based on cohesion model shows “arch” failure mode under the synergistic force. The damage of the bond interface is mainly distributed in the area between the bottom and top of the mid-span plate with the side rib-beam and rib-column. Based on the cohesive model, the multi-ribbed composite wall has similar failure characteristics of yield line to the rectangular two-way plate, which verifies the rationality of the cohesive model, ?and provides a reference for the calculation and analysis of the multi-ribbed composite wall board structure in storehouse.
    丁永剛,王浩然,趙金全,等.糧食側壓力作用下密肋復合墻板肋格單元數值模擬[J].混凝土與水泥制品,2021(3):76-81. DING Y G,WANG H R,ZHAO J Q,et al.Numerical Simulation of Multi-ribbed Composite Wall Cells Under Lateral Pressure of Grain[J].CHINA CONCRETE AND CEMENT PRODUCTS,2021(3):76-81.
    爆炸沖擊載荷下鋼板-混凝土組合結構的動態性能和破壞機理研究進展
    爆炸沖擊載荷下鋼板-混凝土組合結構的動態性能和破壞機理研究進展
    • 秦彥帥1,曲艷東1,2,李繼野2,張瑞雪1,于 躍1
    2021年第3期
    摘要
    引用本文
    秦彥帥,曲艷東,李繼野,等.爆炸沖擊載荷下鋼板-混凝土組合結構的動態性能和破壞機理研究進展[J].混凝土與水泥制品,2021(3):82-87. QIN Y S,QU Y D,LI Ji-ye,et al.Research Progress on Dynamic Performances of Steel Plate-concrete Composite Structures Under Blast Loads[J].CHINA CONCRETE AND CEMENT PRODUCTS,2021(3):82-87.
    不同截面形式高強混凝土剪力墻抗震性能研究
    不同截面形式高強混凝土剪力墻抗震性能研究
    • 馬 蕓1,楊鵬輝2
    2021年第3期
    摘要
    引用本文
    馬蕓,楊鵬輝.不同截面形式高強混凝土剪力墻抗震性能研究[J].混凝土與水泥制品,2021(3):88-92. MA Y,YANG P H.Study on the Seismic Performance of High Strength Concrete Shear Walls With Different Cross Sections[J].CHINA CONCRETE AND CEMENT PRODUCTS,2021(3):88-92.
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