水泥混凝土制品_2022_《混凝土与水泥制品》杂志社

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发布时间：2020-01-06 00:00:00

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水泥混凝土制品

带底座单层配筋钢筋混凝土椭圆管的设计和结构计算

曹生龙

2022年第9期

摘要

引用本文

摘要：考虑管顶、管底和管腹受力特点，介绍了带底座单层配筋混凝土椭圆管的结构设计方法，并结合具体示例，阐述了配筋计算和裂缝宽度验算过程，针对不用规格带底座单层配筋混凝土椭圆管，给出了相关配筋表，以期为带底座单层配筋混凝土椭圆管的推广和使用提供参考。 Abstract: Considering the stress characteristics of pipe top, pipe bottom and pipe body, the design and structural calculation method of based sharped single-layer reinforced elliptical concrete pipes were introduced, and combined with specific calculation example, the process of reinforcement calculation and crack width checking calculation were expoundes. The relevant reinforcement table for based sharped single-layer reinforced elliptical concrete pipes with different specifications was given, which can provide a reference for the promotion and use of based sharped single-layer reinforced elliptical concrete pipes.

曹生龙.带底座单层配筋钢筋混凝土椭圆管的设计和结构计算[J].混凝土与水泥制品,2022(9):38-41. CAO S L.Design and Structure Calculation of Based Sharped Single-layer Reinforced Elliptical Concrete Pipes[J].China Concrete and Cement Products,2022(9):38-41.

预制混凝土衬砌板在隧道修补加固工程中的应用

陈秀平1，章彬虎1，郑国平2，毛江才3，林海洋4

2022年第9期

摘要

引用本文

摘要：为了解决公路山岭隧道二次衬砌结构厚度不足、开裂等病害导致的承载力不足问题，并减少现浇套拱加固方法造价较高、封闭交通时间较长的缺陷，介绍了预制混凝土衬砌板（PCL板）在隧道修补加固中的应用，包括其结构构造、设计流程与施工流程，可为今后国内隧道衬砌病害处理提供参考。 Abstract： In order to solve the problem of insufficient bearing capacity caused by diseases such as insufficient thickness and cracking of secondary lining structure of road rock tunnel, and to reduce the defects of high cost and long closed traffic time of cast-in-place arch reinforcement method, the precast concrete lining(PCL) plates was introduced, including its overall structure, design and construction process, which can provide reference for the treatment of tunnel lining diseases in the future.

陈秀平,章彬虎,郑国平,等.预制混凝土衬砌板在隧道修补加固工程中的应用[J].混凝土与水泥制品,2022(9):42-45. CHEN X P,ZHANG B H,ZHENG G P,et al.Application of PCL Plates in Tunnel Repairing and Reinforcement Engineering[J].China Concrete and Cement Products,2022(9):42-45.

预应力混凝土空心支护桩接桩处焊缝强度计算及有限元分析

马思彬，何振，冼景成，邱振贵

2022年第1期

摘要

引用本文

马思彬,何振,冼景成,等.预应力混凝土空心支护桩接桩处焊缝强度计算及有限元分析[J].混凝土与水泥制品,2022(9):46-49. MA S B,HE Z,XIAN J C,et al.Strength Calculation and Finite Element Analysis on Welded Joint of Prestressed Concrete Hollow Supporting Piles[J].China Concrete and Cement Products,2022(9):46-49.

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