Sökning: "water- cement number"

Visar resultat 6 - 10 av 15 uppsatser innehållade orden water- cement number.

  1. 6. The Impact of Fracture Orientation on the Choice of Grout Fan Geometry - a Statistical Analysis

    Master-uppsats, KTH/Jord- och bergmekanik

    Författare :Fredrik Osterman; [2019]
    Nyckelord :Rock Fissure Grouting; Grout Fan Geometry; Geology; Discrete Fracture Network; Sprickinjektering i berg; skärmgeometri; geologi; diskreta spricknätverk;

    Sammanfattning : Water ingress into rock tunnels is a problematic phenomenon – especially in urban areas – as a lowered groundwater table may cause harmful settlements. Furthermore, too much ingress can be an incentive for the environmental court to halt the tunnel process, in order to protect the nature as part of a national interest. LÄS MER

  3. 7. Betongkvalitetens inverkan på byggtid och kostnader vid anläggningsprojekt

    M1-uppsats, KTH/Byggteknik och design

    Författare :Elsa Tesfamichael; Laxmi Roka; [2018]
    Nyckelord :;

    Sammanfattning : In the pursuit to complete a construction project in a shorter period of time, a number of studies have been published and methods tested. This thesis study examines if it is profitable to use a higher quality concrete than constructional needed to gain time and economical savings in the production phase of a construction project. LÄS MER

  4. 8. Potentiellt hög urlakning av arsenik till grundvattnet från rödfyrshög i Kinne-Kleva

    Kandidat-uppsats, Uppsala universitet/Institutionen för geovetenskaper

    Författare :Jonathan Andrén; [2016]
    Nyckelord :Kinnekulle; Kinne-Kleva; arsenic; black shale; rödfyr; carbonates; leaching; adsorption; Kinnekulle; Kinne-Kleva; arsenik; alunskiffer; rödfyr; karbonater; lakning; adsorption;

    Sammanfattning : For Sweden to achieve the environmental goal of a nontoxic environment, knowledge is required about harmful elements’ movement and mobility in nature. One of those elements is arsenic that for a long time has been known to cause health ailments. The most common and dangerous path into the human body is through drinking water. LÄS MER

  5. 9. OIL SHALE ASH UTILIZATION IN INDUSTRIAL PROCESSES AS AN ALTERNATIVE RAW MATERIAL

    Master-uppsats, KTH/Industriell ekologi

    Författare :Hussain Azeez Mohamed; Leonel Campos; [2016]
    Nyckelord :;

    Sammanfattning : Oil shale is a fine-grained sedimentary rock with the potential to yield significant amounts of oil and combustible gas when retorted. Oil shale deposits have been found on almost every continent, but only Estonia, who has the 8th largest oil shale deposit in the world has continuously utilized oil shale in large scale operations. LÄS MER

  7. 10. ÅTERANVÄNDBARA PARKERINGSHUS : En studie om att utveckla konceptet TempoDeck

    M1-uppsats, Mälardalens högskola/Akademin för ekonomi, samhälle och teknik

    Författare :Rawia Al-sumasum; Lara Faías Ponce; [2016]
    Nyckelord :Car park; clamping beam system; concrete; concrete cover; TT – slabs; exposure classes; resistance; water- cement number; Beständighet; betong; exponeringsklasser; parkeringshus; spännbalksystem; TT-plattor; täckskikt; vattencementtal;

    Sammanfattning : In today’s situation new methods are constantly evolving in the construction industry where the sustainability of a construction is of utmost importance. Prefabricated concrete is a type material that is highly durable in terms of long life without producing damaging effects. LÄS MER