Essays about: "Weakness zone"

Showing result 1 - 5 of 8 essays containing the words Weakness zone.

  1. 1. Design of tunnel support for single zones with swelling clay

    University essay from KTH/Jord- och bergmekanik

    Author : Taha Faris Nihayat; [2022]
    Keywords : Swelling clay; Rock support; Weakness zone; Design; Tunnel;

    Abstract : Swelling clay is an important and challenging geological feature in tunnelling projects.The behaviour of swelling clay is influenced by many internal and external factors.This, combined with a lack of experience and knowledge has resulted in challengeswhen accounting for the swelling phenomena. READ MORE

  3. 2. Structural investigation of ductile deformations across the Frontal Wedge south of Lake Vättern, southern Sweden

    University essay from Lunds universitet/Geologiska institutionen

    Author : Ellinor Halvarsson; [2022]
    Keywords : Frontal wedge; deformation zone; Sveconorwegian orogeny; Sveconorwegian Orogen; Eastern Segment; shear-sense indicators; Protogine zone; structural geology; bedrock geology; Earth and Environmental Sciences;

    Abstract : Deformationszonen kallad ”Frontal wedge” är ett system av N-S branta och vertikala deformationszoner i gränsen mellan Svekonorvegiska och Sekorareliska provincen, i södra Sverige. Ursprung av dessa strukturer är inte fullt förstått och under de senaste årtiondena har endast ett fåtal undersökningar gjorts på dessa deformationszoner. READ MORE

  4. 3. British Financial Imperialism and the Colonial Special Economic Zone. An analysis of the influence of foreign investment on local economic policies in the Cape Colony.

    University essay from Lunds universitet/Ekonomisk-historiska institutionen

    Author : Alexander Easton; [2020]
    Keywords : Financial Imperialism; Cape Colony; Kimberley; Diamond Mining; Special Economic Zone.; Business and Economics;

    Abstract : This thesis aims to address the limited spatial focus of existing critiques of British financial imperialism, by analysing the economic relationship between Britain and the Cape Colony,and integrating discreet sets of literature related to British imperialism and the economic history of the Cape Colony. Specifically, focus has centred on the diamond mining industry in Kimberley, which produced some of the highest returns on investment of any mining industry in Africa. READ MORE

  5. 4. High-resolution offshore reflection seismic investigation of the Stockholm Bypass tunnel

    University essay from Uppsala universitet/Institutionen för geovetenskaper

    Author : Fengyi Liu; [2017]
    Keywords : infrastructure; tunnel; seismic; reflection; multiple; engineering;

    Abstract : Boat-towed high-frequency, short source and receiver spacing, reflection seismic data, 16 profiles and in total 3884 m long, were acquired in 2008 for the planning of the Stockholm Bypass multilane (3 lanes in each direction in two different tubes) underground motorway tunnel designed to ease the ever increasing car traffic on the city and neighbouring regions. The planned bypass will be about 21 km long of which 18 km will be in the form of bedrock tunnel. READ MORE

  6. 5. The influence of weakness zones on the tunnel stability based on investigations in Bodøtunnelen

    University essay from Luleå tekniska universitet/Geoteknologi

    Author : Viktor Renström; [2016]
    Keywords : Rock mechanics; Numerical modeling;

    Abstract : When planning for a tunnel, the ground conditions in which the tunnel is going to be excavated through will be investigated to different extent. Lack of relevant pre-investigation data or misinterpretations of the available data can cause both economical and/or unexpected stability problems. READ MORE