Bearing Capacity Analysis of Floating Foundation Model in Homogeneous Very Soft Clay

IF 1.1 Q3 ENGINEERING, CIVIL

Civil and Environmental Engineering Pub Date : 2023-12-01 DOI:10.2478/cee-2023-0069

S. Srihandayani, A. Hakam, Mas Mera, F. Ismail

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Abstract

Abstract This study focused on the effect of trapped water on the bearing capacity of PVC pipe pile foundations. This research is divided into two models. The first model (pressure cap pipe pole) and the second model (open press pipe pole) each consist of four variations of PVC pipe diameters of 5.08 cm, 6.35 cm, 7.62 cm, and 10.16 cm (standard size PVC pipe diameter) with the same length of 30 cm. In the first type, all pipes are tightly closed at their upper ends. In the second type, all upper-end caps are given two holes, each with a diameter of 0.5 cm. Each pipe pile is alternately piled into soft soil with a moisture content of 98.8% is in a glass box measuring 120 cm x 20 cm x 60 cm. The test results of the load against decrease were analyzed using the Mazurkiwicks interpretation method. The bearing capacity of the end of the pole (Qp) along with the air trapped in the pipe pile (QA) can increase the carrying capacity of important poles compared to the carrying capacity of the pole side (Qs). PVC pipe poles belong to the floating pile foundation group due to the influence of air trapped inside the pile.

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均质极软粘土中浮动地基模型的承载力分析

摘要本研究的重点是滞水对 PVC 管桩基承载力的影响。本研究分为两个模型。第一种模型（压帽管桩）和第二种模型（开口压管桩）分别由四种不同直径的 PVC 管组成，直径分别为 5.08 厘米、6.35 厘米、7.62 厘米和 10.16 厘米（标准尺寸 PVC 管直径），长度均为 30 厘米。在第一种类型中，所有管道的上端都是紧闭的。在第二种类型中，所有管子的上端都有两个孔，每个孔的直径为 0.5 厘米。每个管桩交替堆放在含水量为 98.8%的软土中，玻璃箱的尺寸为 120 厘米 x 20 厘米 x 60 厘米。采用马祖尔基维克斯解释法分析了荷载对降幅的测试结果。与电线杆侧面的承载能力（Qs）相比，电线杆末端的承载能力（Qp）和管桩中的空气（QA）可以提高重要电线杆的承载能力。聚氯乙烯管电杆属于浮动桩基础，这是因为管桩内存在空气。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Civil and Environmental Engineering ENGINEERING, CIVIL-

CiteScore

2.00

自引率

58.30%

发文量