2026

• Malvik, Tobias Onshuus; Torp, Olav; Johansen, Agnar. (2026) Bridging Lean Construction to Opportunity Management and Sustainability. Norges teknisk-naturvitenskapelige universitet
  Doktoravhandling

2025

• Ahmad, Saad Bin Saleem; Torp, Olav; Bruland, Amund; Hjelseth, Eilif. (2025) Productivity Improvement with Virtual Integrated Performance Measurement System. Norges teknisk-naturvitenskapelige universitet
  Doktoravhandling
• Afshari, Mahgol; Johansen, Agnar; Torp, Olav. (2025) Uncertainty in megaprojects-Experiences from major infrastructure projects. Procedia Computer Science
  Vitenskapelig artikkel
• Haraldsen, Anders; Torp, Olav. (2025) Fuktsikring ved bygging med KLT-elementer. Byggeindustrien
  Fagartikkel
• Klakegg, Ole Jonny; Torp, Olav; Torgersen, Paul; Drevland, Frode. (2025) Cost management in a Norwegian public project.
  Faglig kapittel
• Torp, Olav; Klakegg, Ole Jonny; Drevland, Frode. (2025) Cost Estimating Approaches.
  Faglig kapittel
• Torp, Olav; Klakegg, Ole Jonny; Drevland, Frode. (2025) Cost Estimating in Target Value Delivery.
  Faglig kapittel

2024

• Temeljotov Salaj, Alenka; Torp, Olav; Andalib, Elham. (2024) Competencies for Smart City Challenges. IFAC-PapersOnLine
  Vitenskapelig artikkel
• Malvik, Tobias Onshuus; Torp, Olav; Johansen, Agnar. (2024) Awareness, Understanding, and Use of Lean Construction in the Norwegian Construction Industry. Lean Construction Journal
  Vitenskapelig artikkel
• Kalsaas, Bo Terje; Kristensen, Kai Haakon; Veen, Astrid Renata van; Johansen, Agnar; Torp, Olav. (2024) Prosjekteringsprosesser. Verdiskaping, bærekraft og kompleksitet. Fagbokforlaget
  Lærebok
• Torp, Olav; Klungseth, Nora Johanne; Gottlieb, Stefan Christoffer. (2024) Preface for the 12^th Nordic Conference on Construction Economics and Organisation. IOP Conference Series: Earth and Environmental Science (EES)
  Leder
• Sabri, Omar Kusay; Torp, Olav; Bruland, Amund. (2024) Resolution of Disputes in Infrastructure Projects: A Norwegian Perspective. Buildings
  Vitenskapelig artikkel
• Ørke, Johan Christie; Torp, Olav; Malvik, Tobias Onshuus. (2024) Complexity in sports facility construction projects. IOP Conference Series: Earth and Environmental Science (EES)
  Vitenskapelig artikkel
• Torp, Olav; Malvik, Tobias Onshuus; Ørke, Johan Christie; Røsnæs, Stein Cato. (2024) Navigating Sustainability Dilemmas in Decision-Making for Sports Facilities. IOP Conference Series: Earth and Environmental Science (EES)
  Vitenskapelig artikkel
• Shabani, Rouzbeh; Torp, Olav; Klakegg, Ole Jonny; Johansen, Agnar. (2024) Managing Uncertainty in the Construction Phase of Road Projects.
  Vitenskapelig kapittel

2023

• Shabani, Rouzbeh; Ishtiaque, Tausif Ahmed; Johansen, Agnar; Torp, Olav; Asadipour Farsani, Danyal. (2023) Uncertainty management in the design phase of road projects. Procedia Computer Science
  Vitenskapelig artikkel
• Torp, Olav; Andalib, Elham; Temeljotov Salaj, Alenka. (2023) Need for creative competencies in engineering education. 8th International Academic Conference on Places and technologies
  Antologi
• Ørke, Johan Christie; Malvik, Tobias Onshuus; Torp, Olav; Fossheim, Terje Kjetil. (2023) Life Cycle Cost and Value of Norwegian Sports Facilities. Annual Conference of the International Group for Lean Construction
  Vitenskapelig artikkel

2022

• Ahmad, Saad Bin Saleem; Mazhar, Muhammad Usman; Lædre, Ola; Bruland, Amund; Torp, Olav. (2022) Improvement measures to achieve sustainable construction labour performance. International Journal of Construction Management
  Vitenskapelig artikkel
• Sabri, Omar; Torp, Olav. (2022) Corrective and Preventive Action Plan (CAPA) for Disputes in Construction Projects: A Norwegian Perspective. Infrastructures
  Vitenskapelig artikkel
• Shabani, Rouzbeh; Marsov, Andrei; Torp, Olav; Olsson, Nils. (2022) ANALYSIS OF PRE-PROJECT DATA FOR FLEXIBLE OPPORTUNITIES ON ROAD PROJECTS IN NORWAY. International Journal for Transport and Traffic Engineering (IJTTE)
  Vitenskapelig artikkel
• Ishtiaque, Tausif Ahmed; Cepuran, Ana; Temeljotov Salaj, Alenka; Torp, Olav; Diaconu, Mara Gabriela. (2022) Developing an AI-powered smart insole system to reduce the possibility of back pain among older workers: lessons from the Norwegian construction industry. IOP Conference Series: Earth and Environmental Science (EES)
  Vitenskapelig artikkel
• Sabri, Omar Kusay; Torp, Olav. (2022) CAUSES AND IMPACTS OF DISPUTES IN THE NORWEGIAN CONSTRUCTION INDUSTRY WITH GLOBAL IMPLICATIONS.
  Vitenskapelig kapittel
• Narum, Kristoffer Brattegard; Engebø, Atle; Lædre, Ola; Torp, Olav. (2022) Collaborative Project Delivery With Early Contractor Involvement and Target Cost. Annual Conference of the International Group for Lean Construction
  Vitenskapelig artikkel
• Shabani, Rouzbeh; Malvik, Tobias Onshuus; Johansen, Agnar; Torp, Olav. (2022) Dealing with uncertainties in the design phase of road projects. International Journal of Managing Projects in Business
  Vitenskapelig artikkel
• Shabani, Rouzbeh; Torp, Olav; Klakegg, Ole Jonny; Johansen, Agnar. (2022) Knowledge about the Origins of Uncertainties from the Pre-Project Phase of Road Projects. Infrastructures
  Vitenskapelig artikkel

2021

• Ishtiaque, Tausif Ahmed; Temeljotov Salaj, Alenka; Torp, Olav; Diaconu, Mara Gabriela; Ruepp, Sarah Renée; Petersen, Martin Nordal; Nwabuona, Stanley Chukwuebuka; Velciu, Magdalena; Spiru, Luiza. (2021) Feasibility study of using AI-powered smart insole system to reduce back-pain among older workers in the Norwegian AEC industry.
  Vitenskapelig kapittel
• Pedersen, Asgeir Leine; Utkilen, Sondre; Wondimu, Paulos Abebe; Torp, Olav. (2021) The risk of involving foreign contractors in the Norwegian infrastructure market. Procedia Computer Science
  Vitenskapelig artikkel
• Engebø, Atle; Torp, Olav; Lædre, Ola. (2021) Development of Target Cost for a High-Performance Building.
  Vitenskapelig kapittel
• Johansen, Agnar; Engebø, Atle; Torp, Olav; Kalsaas, Bo Terje. (2021) Development of target cost – By the owner or together with Contractors - Target Value Design. Procedia Computer Science
  Vitenskapelig artikkel
• Belay, Alemu Moges; Torp, Olav. (2021) Construction cost performance under quality-gated framework: the cases of Norwegian road constructions. International Journal of Construction Management
  Vitenskapelig artikkel
• Andenæs, Erlend; Time, Berit; Torp, Olav; Kvande, Tore; Lohne, Jardar. (2021) Risk Management in Procurement of Blue-Green Roofs—Supplier Perspective.
  Vitenskapelig kapittel
• Lohne, Jardar; Torp, Olav; Andersen, Bjørn Sørskot; Aslesen, Sigmund; Bygballe, Lena Elisabeth; Bølviken, Trond; Drevland, Frode; Engebø, Atle; Fosse, Roar; Holm, Hans Thomas. (2021) The emergence of lean construction in the Norwegian AEC industry. Construction Management and Economics
  Vitenskapelig artikkel
• Malvik, Tobias Onshuus; Johansen, Agnar; Torp, Olav; Olsson, Nils. (2021) Evaluation of Target Value Delivery and Opportunity Management as Complementary Practices. Sustainability
  Vitenskapelig artikkel

2020

• Andenæs, Erlend; Engebø, Atle; Time, Berit; Lohne, Jardar; Torp, Olav; Kvande, Tore. (2020) Perspectives on Quality Risk in the Building Process of Blue-Green Roofs in Norway. Buildings
  Vitenskapelig artikkel
• Smoge, Gard Ytterdal; Torp, Olav; Johansen, Agnar. (2020) Maturity of TVD Implementation in Norwegian Public Building Projects. Annual Conference of the International Group for Lean Construction
  Vitenskapelig artikkel
• Ahmad, Saad Bin Saleem; Mazhar, Muhammed Adeel; Bruland, Amund; Andersen, Bjørn; Langlo, Jan Alexander; Torp, Olav. (2020) Labour productivity statistics: a reality check for the Norwegian construction industry. International Journal of Construction Management
  Vitenskapelig artikkel
• Klakegg, Ole Jonny; Torp, Olav; Kalsaas, Bo Terje; Bølviken, Trond; Hannås, Gøril. (2020) Uncertainty management. A development area for Lean Construction.
  Vitenskapelig kapittel

2019

• Torp, Olav; Ingemund, Jordanger; Klakegg, Ole Jonny; Bjerke, Yvonne C.. (2019) Room to Manoeuvre: Governing the Project Provisions.
  Vitenskapelig kapittel
• Engebø, Atle; Skatvedt, Åsmund; Torp, Olav. (2019) Soft Elements in Collaborative Project Delivery Methods.
  Vitenskapelig kapittel
• Andenæs, Erlend; Time, Berit; Torp, Olav; Kvande, Tore; Lohne, Jardar. (2019) Risk Management in Procurement of Blue-Green Roofs – A Project Owner Perspective. Annual Conference of the International Group for Lean Construction
  Vitenskapelig artikkel
• Torp, Olav; Olsson, Nils; Larssen, Per Fridtjof; Langlo, Jan Alexander. (2019) Evaluering av prosjektet Ny Bodø brannstasjon. NTNU
  Forskningsrapport
• Grum, Bojan; Torp, Olav; Temeljotov Salaj, Alenka. (2019) Book of Proceedings. 4th Conference of Interdisciplinary Research on Real Estate (CIRRE), Trondheim, September 12-13, 2019. Institute of Real Estate Studies
  Antologi
• Torp, Olav. (2019) How Stochastic Cost Estimates Could Be Applied in Relation to Target Value Design.
  Vitenskapelig kapittel
• Zihua, Pan; Wei, Qingchau; Torp, Olav; Lau, Albert. (2019) Influence of Evacuation Walkway Design Parameters on Passenger Evacuation Time along Elevated Rail Transit Lines Using a Multi-Agent Simulation. Sustainability
  Vitenskapelig artikkel
• Andenæs, Erlend; Kvande, Tore; Time, Berit; Torp, Olav; Lohne, Jardar. (2019) Risk management in procurement of blue-green roofs – supplier perspective.
  Vitenskapelig kapittel

2018

• Welde, Morten; Dahl, Roy Endre; Torp, Olav; Aass, Torbjørn. (2018) Kostnadsstyring i entreprisekontrakter. Ex ante akademisk forlag
  Vitenskapelig monografi
• Klakegg, Ole Jonny; Swärd, Anna; Torp, Olav; Jordanger, Ingemund; langeland, hilje. (2018) Usikkerhetsstyring og samhandling i byggeprosjekter. Bygg 21
  Forskningsrapport
• Torp, Olav; Knudsen, Jens Biermann; Rønneberg, Ingeborg Louise. (2018) Factors affecting implementation of Lean Construction.
  Vitenskapelig kapittel
• Torp, Olav; Bølviken, Trond; Aslesen, Sigmund; Fritzsønn, Lars Petter; Haagensen, Åse; Lombardo, Sebastiano; Saltveit, Tobias. (2018) Is integration of Uncertainty Management and The Last Planner System a good idea?.
  Vitenskapelig kapittel
• Åsgård, Tina; Torp, Olav. (2018) Hvordan kan ingeniører bli bedre på HMS?. Byggeindustrien
  Populærvitenskapelig artikkel
• Albrechtsen, Eirik; Kjellen, Urban Anders Gunnar; Kongsvik, Trond; Danielsen, Daniel André; Torp, Olav. (2018) Forutseende sikkerhetsindikatorer i bygg- og anleggsbransjen. NTNU
  Forskningsrapport

2017

• Danielsen, Daniel André; Torp, Olav; Engebø, Atle; Lædre, Ola; Lohne, Jardar. (2017) Cost Development in Norwegian Public Construction Projects.
  Vitenskapelig kapittel
• Belay, Alemu Moges; Klakegg, Ole Jonny; Torp, Olav. (2017) Bridging strategic quality assurance (QA) regime with operational initiatives for better project decisions.
  Vitenskapelig kapittel
• Danielsen, Daniel André; Torp, Olav; Lohne, Jardar. (2017) HSE in Civil Engineering Programs and Industry Expectations. Procedia Engineering
  Vitenskapelig artikkel
• Barakchi, Moein; Torp, Olav; Belay, Alemu Moges. (2017) Cost Estimation Methods for Transport Infrastructure: A Systematic Literature Review. Procedia Engineering
  Vitenskapelig artikkel
• Belay, Alemu Moges; Torp, Olav. (2017) Do Longer Projects Have Larger Cost Deviation Than Shorter Construction Projects?. Procedia Engineering
  Vitenskapelig artikkel
• Klakegg, Ole Jonny; Torp, Olav; Kalsaas, Bo Terje; Bølviken, Trond; Hannås, Gøril. (2017) Usikkerhetsstyring - et utviklingsområde for Lean Construction.
  Vitenskapelig kapittel

2016

• Ahmad, Saad Bin Saleem; Svalestuen, Fredrik; Andersen, Bjørn Sørskot; Torp, Olav. (2016) A review of performance measurements for successful Concurrent Construction. Procedia - Social and Behavioral Sciences
  Vitenskapelig artikkel
• Hosseini, Ali; Lædre, Ola; Andersen, Bjørn Sørskot; Torp, Olav; Olsson, Nils; Lohne, Jardar. (2016) Selection criteria for project delivery methods for infrastructure projects. Procedia - Social and Behavioral Sciences
  Vitenskapelig artikkel
• Torp, Olav; Klakegg, Ole Jonny. (2016) Challenges in Cost Estimation under Uncertainty - A Case Study of the Decommissioning of Barsebäck Nuclear Power Plant. Administrative Sciences
  Vitenskapelig artikkel
• Belay, Alemu Moges; Torp, Olav; Thodesen, Carl. (2016) Managing Concurrent Construction Projects Using Knowledge Management and Set-based Thinking. Procedia Engineering
  Vitenskapelig artikkel
• Wondimu, Paulos Abebe; Hailemichael, Eyuell; Hosseini, Seyed Ali; Lohne, Jardar; Torp, Olav; Lædre, Ola. (2016) Success Factors for Early Contractor Involvement (ECI) in Public Infrastructure Projects. Energy Procedia
  Vitenskapelig artikkel
• Haddadi, Amin; Torp, Olav; Lohne, Jardar; Lædre, Ola. (2016) The Link Between Stakeholder Power and Value Creation in Construction Projects.
  Vitenskapelig kapittel
• Welde, Morten; Torp, Olav. (2016) Kostnadestimeringsmetodikk i etatene omfattet av KS-ordningen. En kartlegging. Norges teknisk-naturvitenskapelige universitet
  Forskningsrapport
• Belay, Alemu Moges; Torp, Olav; Thodesen, Carl; Odeck, James. (2016) A framework for Organizing a Resilient Cost Benefit Analysis for Construction Projects. Procedia Engineering
  Vitenskapelig artikkel
• Torp, Olav; Belay, Alemu Moges; Thodesen, Carl; Klakegg, Ole Jonny. (2016) Cost Development Over-time at Construction Planning Phase: Empirical Evidence from Norwegian Construction Projects. Procedia Engineering
  Vitenskapelig artikkel
• Andersen, Bjørn Sørskot; Hosseini, Ali; Lædre, Ola; Olsson, Nils; Torp, Olav. (2016) Pre-Study Ferry Free E39. Department of Civil and Transport Engineering, NTNU
  Forskningsrapport

2015

• Torp, Olav; Drevland, Frode; Austeng, Kjell. (2015) Prosess for kostnadsestimering under usikkerhet. Ex Ante forlag
  Faglig monografi
• Opsahl, Hanne Olstad; Torp, Olav; Lædre, Ola; Andersen, Bjørn Sørskot; Olsson, Nils. (2015) Implementation Strategies in Large Infrastructure Projects.
  Vitenskapelig kapittel

2014

• Johansen, Agnar; Sandvin, Bettina; Torp, Olav; Økland, Andreas. (2014) Uncertainty analysis – 5 challenges with today's practice. Procedia - Social and Behavioral Sciences
  Vitenskapelig artikkel

2013

• Torp, Olav; Drevland, Frode; Austeng, Kjell. (2013) God eller dårlig prosjektledelse i vegprosjekter - Refleksjoner rundt Riksrevisjonens siste rapport. Prosjektledelse
  Fagartikkel
• Kristensen, Kai Haakon; Andersen, Bjørn; Torp, Olav. (2013) Addressing The Due-Date-Delivery Problem Of Design In Construction Projects.
  Vitenskapelig kapittel
• Valen, Marit Støre; Olsson, Nils; Moum, Anita; Andersen, Bjørn; Klakegg, Ole Jonny; Holden, Erling; Torp, Olav; Lædre, Ola; Lohne, Jardar. (2013) Beste praksis i prosjektledelse. NTNU, Institutt for bygg, anlegg og transport
  Forskningsrapport
• Kristensen, Kai Haakon; Andersen, Bjørn; Torp, Olav. (2013) Performance measurement in the building design process: a tool for building design managers. Journal of Design Research
  Vitenskapelig artikkel

2012

• Bruland, Amund; Austeng, Kjell; Torp, Olav. (2012) Kostnads- og budsjettutvikling i vegprosjekter Rapport 2. NTNU Institutt for bygg, anlegg og transport
  Forskningsrapport

2010

• Klakegg, Ole Jonny; Torp, Olav; Austeng, Kjell. (2010) Good and simple - a dilemma in analytical processes?. International Journal of Managing Projects in Business
  Vitenskapelig artikkel

2008

• Olsson, Nils; Johansen, Agnar; Langlo, Jan Alexander; Torp, Olav. (2008) Project ownership: implications on success measurement. Measuring Business Excellence
  Vitenskapelig artikkel

2007

• Drevland, Frode; Austeng, Kjell; Torp, Olav. (2007) Usikkerhetsanalyse - Modellering, estimering og beregning. Norges teknisk-naturvitenskapelige universitet
  Forskningsrapport

2006

• Austeng, Kjell; Bruland, Amund; Torp, Olav. (2006) Kostnadsutvikling i vegprosjekter. Institutt for bygg, anlegg og transport, NTNU
  Forskningsrapport
• Torp, Olav; Magnussen, Ole Morten; Olsson, Nils; Klakegg, Ole Jonny. (2006) Kostnadsusikkerhet i store stalige investeringsprosjekter. Concept rapport
  Vitenskapelig artikkel

2003

• Torp, Olav; Johansen, Agnar. (2003) Oppstart og avslutning av prosjekter. [Mangler utgivernavn]
  Forskningsrapport

2001

• Torp, Olav. (2001) Litteraturstudium innen tidligfasevurderinger av prosjekter, Rapport nr CONCEPT 01-10. Institutt for bygg- og anleggsteknikk NTNU
  Forskningsrapport

1999

• Kilde, Halvard; Samset, Knut; Torp, Olav; Andersen, Bjørn. (1999) Usikkerhet som mulighet og gevinst. Styring av usikkerhet i prosjekter. NTNU
  Lærebok

1997

• Blakstad, Siri Hunnes; Torp, Olav; Klakegg, Ole Jonny. (1997) Programmeringsprosessen i Statsbygg. NTNU. Inst. f. bygg- og anleggsteknikk
  Forskningsrapport