Reinforced pavement above trench under urban traffic load: Case study and finite element (FE) analysis

被引：0

作者：

Kazemian, Sina ^{[1
]}

Barghchi, Maassoumeh ^{[1
]}

Prasad, Arun ^{[2
]}

Moayedi, Hossein ^{[3
]}

Huat, Bujang B. K. ^{[3
]}

机构：

[1] Islamic Azad Univ, Bojnourd Branch, Dept Civil Engn, Bojnourd, Iran

[2] Banaras Hindu Univ, Dept Civil Engn, Varanasi 221005, Uttar Pradesh, India

[3] Univ Putra Malaysia, Dept Civil Engn, Serdang, Selangor, Malaysia

来源：

SCIENTIFIC RESEARCH AND ESSAYS | 2010年 / 5卷 / 21期

关键词：

Pavement; trench; geogrid; finite element analysis; transient pulse load; EFFICIENT PARAMETER-IDENTIFICATION; FLEXIBLE PAVEMENT; LAYERED MEDIA; SOILS;

D O I：

暂无

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Every year, 2000 km length of trench is being excavated through an existing pavement in Iran for installing urban waste water pipelines. Many a times, these trenches are not filled back properly resulting in large permanent settlement in the pavement constructed above the trench. Geogrids have been used at the top of the base course to decrease the settlement. This article presents the observed settlements of unreinforced and geogrid reinforced pavement, monitored over a period of 12 months under the urban traffic load. Finite element (FE) analysis of the trench and the pavement, unreinforced and reinforced, under a transient pulse load is also carried out by using PLAXIS. It is observed that the vertical settlement can be greatly reduced by using geogrids in the pavement. The results obtained from case study and PLAXIS show that the geogrids improve the stiffness and strength of asphalt pavement and control the rut formation in the pavement.

引用

页码：3313 / 3329

页数：17

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