Numerical Analysis of Diaphragm wall on the context of Dhaka City

Abedin, Md. Ashraful; Priom, Inzamam Ul Kabir; Arif, Imam Hussain; Fahad, Abdullah Al

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dc.contributor.author	Abedin, Md. Ashraful
dc.contributor.author	Priom, Inzamam Ul Kabir
dc.contributor.author	Arif, Imam Hussain
dc.contributor.author	Fahad, Abdullah Al
dc.date.accessioned	2023-01-16T09:19:01Z
dc.date.available	2023-01-16T09:19:01Z
dc.date.issued	2022-05-30
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Hashash, Youssef MA, and Andrew J Whittle, (1996), "Ground Movement Prediction for Deep Excavations in Soft Clay." Journal of geotechnical engineering 122, no. 6: 474-86 30. Dong, Y, H Burd, G Houlsby, and Y Hou, (2013), "Advanced Numerical Modelling of a Complex Deep Excavation Case History in Shanghai." 31. Hsiung, B. C., Dan, D. S., & Lum, C. W. (2016), "Evaluation of performance of diaphragm walls by wall deflection paths for deep excavations in Central Ha Noi" Geotech. Eng. J. SEAGS AGSSEA, 47(1)	en_US
dc.identifier.uri	http://hdl.handle.net/123456789/1650
dc.description	Supervised by Mr. Istiakur Rahman. Assistant Professor Department of Civil & Environmental Engineering Islamic University of Technology (IUT) Board Bazar, Gazipur-1704, Bangladesh. This thesis is submitted in partial fulfillment of the requirements for the degree of Bachelor of Science in Civil and Environmental Engineering, 2022.	en_US
dc.description.abstract	Diaphragm walls are constructed with structural concrete, usually in deep excavations, either cast on location or using precast components. The construction of diaphragm walls is primarily concerned with supporting walls, heavy foundations, combined retaining walls and foundations, and deep basements. In the past, geotechnical engineers predicted excavation performance using conventional soil mechanics and empirical data. Deep excavations, however, were not easily predicted using these methods. The thickness of the diaphragm walls is considered 0.5m, 1m, 1.265m & 1.5m. Mohr Coulomb model and Hardening soil models are used to calculate the maximum wall displacement and ground settlement for each thickness. Also, the ground settlement and wall displacements are measured in both adjacent load and non-adjacent load conditions. The maximum allowable deflections are compared with other researches to validate the study. In this study Diaphragm walls have shown fewer bulging effects. In general, hardening soil model shows less displacement and ground settlement compared to Mohr coulomb model. Ground settlement and wall displacements show harmony with the available literature. The maximum lateral deflection of Diaphragm wall towards the excavation measured is generally within 0.2% of excavation depth. And ground settlement should be 0.3% of excavation depth. From this study it is conclusive that Diaphragm wall with thicknessof0.5m of single basement is most cost efficient and satisfactory. Diaphragm wall is recommended as the retaining structure in Bangladesh for future projects.	en_US
dc.language.iso	en	en_US
dc.publisher	Department of Civil and Environmental Engineering (CEE), Islamic University of Technology(IUT)	en_US
dc.subject	Diaphragm Wall, Ground settlement, Wall displacement, PLAXIS 2D	en_US
dc.title	Numerical Analysis of Diaphragm wall on the context of Dhaka City	en_US
dc.type	Thesis	en_US