Poboljšanje tla prefabriciranim vertikalnim drenovima

master's thesis

• Title (english): Soil improvement by prefabricated vertical drains
• Author: Tena Baranašić
• Mentor: Boris Kavur (mentor)
• Mentor: Jasmin Jug (komentor)
• Committee member: Sanja Kovač (predsjednik povjerenstva)
• Committee member: Boris Kavur (član povjerenstva)
• Committee member: Jasmin Jug (član povjerenstva)
• Committee member: Stjepan Strelec (član povjerenstva)
• Granter: University of Zagreb; Faculty of Geotechnical Engineering; Varaždin
• Defense date and country: 2021-07-15, Croatia
• Scientific / art field, discipline and subdiscipline: TECHNICAL SCIENCES; Interdisciplinary Technical Sciences; Environmental Engineering

Abstract

U ovom radu prikazan je koncept poboljšanja tla prefabriciranim vertikalnim drenovima. Rad započinje problematikom mekanog sitnozrnatog zasićenog tla u kojoj je opisano ponašanje istog prilikom apliciranja opterećenja. Prezentirana je teorija radijalne konsolidacije tla vertikalnim drenovima, karakteristične dimenzije drena te utjecaj poremećaja tla koji nastaje u procesu utiskivanja drenova. Opisana je izvedba prefabriciranih vertikalnih drenova (PVD) i načini određivanja projektnih parametara tla. Prikazan je odabir vrste PVD-a te faktori koji utječu na odabir. Opisuje se određivanje dubine, razmaka i rasporeda drenova te sam postupak ugradnje i kontrole ove metode poboljšanja tla. U 5. poglavlju rada prikazan je primjer projekta poboljšanja tla prefabriciranim vertikalnim drenovima te rezultati opažanja slijeganja u fazi predopterećenja nasipom na temelju kojih je verificirano projektno rješenje poboljšanja tla i donijeta odluka o uklanjanju predopterećenja.

Abstract (english)

This paper presents the concept of soil improvement by means of prefabricated vertical drains. It begins with the problem of soft fine-grained saturated soil and its behaviour is described during load application. The theory of radial soil consolidation with vertical drains, characteristic dimensions of the drain and the influence of soil disturbances that occur in the process of drain insertion are presented. The design of prefabricated vertical drains (PVD) and methods for determining the design parameters of the soil are also described. The selection of the type of PVD and factors which influence their selection are presented. The determination of depth, distance and pattern of drains is described, as well as the process of installation and quality control for this method of soil improvement. Chapter 5 presents an example of soil improvement by means of prefabricated vertical drains and results of soil settlements obtained during a preload phase., Based on this, the solution for soil improvement was verified and a decision on preload removal was made.

• Keywords: prefabricirani vertikalni drenovi; konsolidacija; poboljšanje tla
• Keywords (english): prefabricated vertical drains; consolidation; soil improvement
• Language: croatian
• URN:NBN: urn:nbn:hr:130:885740
• Study programme: Title: Geoenvironmental Engineering; specializations in: Geoenvironmental Engineering, Environmental Management, Water Management; Course: Geoenvironmental Engineering; Study programme type: university; Study level: graduate; Academic / professional title: magistar/magistra inženjer/ inženjerka inženjerstva okoliša (magistar/magistra inženjer/ inženjerka inženjerstva okoliša)
• Type of resource: Text
• File origin: Born digital
• Access conditions: Open access
• Created on: 2021-10-29 08:50:42