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    蘇州混凝土水泥制品研究院有限公司

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    水泥混凝土制品

    預制混凝土襯砌管片用快速連接件的研究及應用
    預制混凝土襯砌管片用快速連接件的研究及應用
    • 呂根喜1,曹偉飚2,陳昌耀1
    2022年第5期
    摘要
    引用本文
    摘 ? 要:為提高盾構隧道施工的自動化作業水平和工程質量,進一步推動管片生產技術的發展,基于“盾構隧道快速連接件及其應用體系研究” 項目,研發了預制混凝土襯砌管片用縱向、環向快速連接件及專用管片生產工藝,可為新型盾構隧道結構設計和工程應用提供技術支撐。 Abstract: In order to improve the automatic operation level and engineering quality of shield tunnel construction and further promote the development of segment production technology, based on the project of Research on shield tunnel quick connector and its application system, the production technologies of fast longitudinal and circumferential connectors for precast concrete lining segments and special segments are developed in order to provide a technical support for the structural design and engineering application of new shield tunnel.
    呂根喜,曹偉飚,陳昌耀.預制混凝土襯砌管片用快速連接件的研究及應用[J].混凝土與水泥制品,2022(5):38-41. LYU G X,CAO W B,CHEN C Y.Research and Application of Quick Connector for Precast Concrete Lining Segments[J].China Concrete and Cement Products,2022(5):38-41.
    PHC管樁自動拆頭尾板設備的研發及應用
    PHC管樁自動拆頭尾板設備的研發及應用
    • 賴偉成,黃福容,林懷忠,雷德意
    2022年第5期
    摘要
    引用本文
    摘 ? 要:以PHC管樁拆頭尾板生產工藝為研究對象,通過自主創新設計,開發了自動拆頭尾板設備,實現了拆頭尾板工序螺栓拆卸過程的自動化,并通過工藝流程優化和生產線整體規劃設計,在減少作業人員的同時,提高了生產線產能,實際應用效果較好。 Abstract: Taking the removing head and tail plate process in PHC piles production line as the research object, through independent innovation design, the automatic head and tail plate removing machine is developed to realize the full automatic and intelligent process bolts disassembly process. By the production line process optimization and overall planning, the productivity of the line is improved and the labor workers number is reduced, which approves the ?application effect is good.?
    賴偉成,黃福容,林懷忠,等.PHC管樁自動拆頭尾板設備的研發及應用[J].混凝土與水泥制品,2022(5):42-45. LAI W C,HUANG F R,LIN H Z,et al.Research and Application of Automatic Head and Tail Plate Removing Machine for PHC Piles[J].China Concrete and Cement Products,2022(5):42-45.
    套筒灌漿連接PC柱的接觸爆炸試驗研究
    套筒灌漿連接PC柱的接觸爆炸試驗研究
    • 于旭峰,湯劍輝,陳祖鵬
    2022年第5期
    摘要
    引用本文
    摘 ? 要:為研究預制混凝土柱(PC柱)在爆炸荷載作用下的抗爆性能,制作了5根縮尺比例為1∶2.5的PC柱,進行了不同參數下的室內接觸爆炸試驗。通過收集的PC柱損傷尺寸數據,分析了炸藥當量、起爆點位置等參數對套筒灌漿PC柱抗爆性能的影響,并采用CONWEP軟件對自由場超壓進行了對比分析。結果表明:在接觸爆炸作用下,PC柱僅發生局部破壞;PC柱的損傷尺寸隨著炸藥當量的提高而增大;與PC柱柱中起爆相比,柱端起爆試件的損傷面積明顯較小。 Abstract: To obtain the blast performance of precast concrete(PC) columns with grouting sleeve connections, five PC columns with reduced scale of 1∶2.5 against contact detonation were conducted in a blast testing vessel, in which the effects of explosive equivalent and detonation position on blast damage were studied. CONWEP software was used to analyze the free field overpressure. The results show that PC column is only damaged locally in terms of the whole damaged area under contact explosion. By comparing the damage of PC columns with different explosive equivalent, it is found that the damage size of the column increases gradually with the increase of explosive equivalent. Moreover, the damage area of the test piece detonated at the end of the column is significantly smaller than that of the test piece whose initiation point is located in the column.?
    于旭峰,湯劍輝,陳祖鵬.套筒灌漿連接PC柱的接觸爆炸試驗研究[J].混凝土與水泥制品,2022(5):46-49. YU X F,TANG J H,CHEN Z P.Test Research of Contact Detonation of PC Columns with Grouting Sleeve Connections[J].China Concrete and Cement Products,2022(5):46-49.
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