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腰部设置横梁的双排桩受力分析

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双排桩用于填方工程时,可在其腰部增设横梁,以提高填筑工程中双排桩的整体性。在介绍施工方法的基础上,基于有限元法,对腰部设置横梁的双排桩进行对比分析,计算结果表明:双排桩腰部设置横梁后,腰部横梁以上前排桩与后排桩的轴力与弯矩最大值均大幅度减小,故腰部横梁以上前排桩与后排桩的截面积、配筋均可大幅度减小。
When double row piles are used in filling works,cross beams can be added at their waist to improve the integrity of double row piles in filling works.On the basis of introducing the construction method,based on the finite element method,the double row piles with cross beams at the waist are compared and analyzed.The calculation results show that:after the cross beams are set at the waist of double row piles,the maximum values of axial force and bending moment of the front and rear piles above the waist cross beams are greatly reduced,so the sectional area and reinforcement of the front and rear piles above the waist cross beams can be greatly reduced.

double row pilecrossbeamaxial forcebending moment

王明光

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中铁第四勘察设计院集团有限公司,湖北武汉 430063

双排桩 横梁 轴力 弯矩

2024

江苏建材
江苏省建材工业协会

江苏建材

影响因子:0.257
ISSN:1004-5538
年,卷(期):2024.(1)