Deformation and load transfer of pile-supported foundation reinforced with soilbags raft cushion

IF 4.7 1区工程技术 Q1 ENGINEERING, GEOLOGICAL

Geotextiles and Geomembranes Pub Date : 2025-02-18 DOI:10.1016/j.geotexmem.2025.01.005

Bowen Li, Sihong Liu, Xuelei Han, Yang Lu, Yuansheng Liu

{"title":"Deformation and load transfer of pile-supported foundation reinforced with soilbags raft cushion","authors":"Bowen Li, Sihong Liu, Xuelei Han, Yang Lu, Yuansheng Liu","doi":"10.1016/j.geotexmem.2025.01.005","DOIUrl":null,"url":null,"abstract":"<div><div>This study proposes a new pile-supported soilbags raft cushion for foundation treatment. A series of two-dimensional model tests were conducted on the reinforced foundation to investigate its deformation and load transfer characteristics. An analytical method was established to determine the surface pressure between the piles. The tests demonstrated that the soilbags raft cushion can reduce the differential settlement of the foundation by improving the uniformity of the load transfer. The deformation patterns and load transfer efficiency of the soilbags raft cushion reinforced foundation were found to be related to the pile spacing, the embedded depth of the pile top, the thickness of the soilbags raft cushion, and the external pressure applied to the foundation surface. The performance of soilbags raft cushion is more effective when the ratio of the embedded depth of the pile top to the pile spacing is at least one and the ratio of the thickness of the cushion to the embedded depth of the pile top is at least 0.2. The analytical method considers the relative pile-soil settlement and the elastic modulus of the soilbags raft cushion reinforced foundation, allowing for a reasonable evaluation of the surface pressure between the piles and the load transfer efficiency.</div></div>","PeriodicalId":55096,"journal":{"name":"Geotextiles and Geomembranes","volume":"53 3","pages":"Pages 811-821"},"PeriodicalIF":4.7000,"publicationDate":"2025-02-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Geotextiles and Geomembranes","FirstCategoryId":"89","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S0266114425000159","RegionNum":1,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"ENGINEERING, GEOLOGICAL","Score":null,"Total":0}

引用次数: 0

Abstract

This study proposes a new pile-supported soilbags raft cushion for foundation treatment. A series of two-dimensional model tests were conducted on the reinforced foundation to investigate its deformation and load transfer characteristics. An analytical method was established to determine the surface pressure between the piles. The tests demonstrated that the soilbags raft cushion can reduce the differential settlement of the foundation by improving the uniformity of the load transfer. The deformation patterns and load transfer efficiency of the soilbags raft cushion reinforced foundation were found to be related to the pile spacing, the embedded depth of the pile top, the thickness of the soilbags raft cushion, and the external pressure applied to the foundation surface. The performance of soilbags raft cushion is more effective when the ratio of the embedded depth of the pile top to the pile spacing is at least one and the ratio of the thickness of the cushion to the embedded depth of the pile top is at least 0.2. The analytical method considers the relative pile-soil settlement and the elastic modulus of the soilbags raft cushion reinforced foundation, allowing for a reasonable evaluation of the surface pressure between the piles and the load transfer efficiency.

查看原文本刊更多论文

求助全文

约1分钟内获得全文求助全文

来源期刊

Geotextiles and Geomembranes 地学-地球科学综合

CiteScore

9.50

自引率

21.20%

发文量

111

审稿时长

59 days

期刊介绍： The range of products and their applications has expanded rapidly over the last decade with geotextiles and geomembranes being specified world wide. This rapid growth is paralleled by a virtual explosion of technology. Current reference books and even manufacturers' sponsored publications tend to date very quickly and the need for a vehicle to bring together and discuss the growing body of technology now available has become evident. Geotextiles and Geomembranes fills this need and provides a forum for the dissemination of information amongst research workers, designers, users and manufacturers. By providing a growing fund of information the journal increases general awareness, prompts further research and assists in the establishment of international codes and regulations.