Progress (Jasper Youngjoo Kim)

http://e-construction.umd.edu/wp-content/uploads/2020/07/Productivity-Report_Kim_for-Prof._20200716.pptx Cash and Claim: Data-based Inverse Relationships between Liquidity and Claims in the Construction Industry Unsuccessful bids: Coefficient of variation of bids as indicator of project risk BIM and Blockchain Collaborative Research: D-ISN: Track 2: Blockchain-Powered Project Delivery Platform to Protect Critical Infrastructure from Counterfeit Items

[Dissertation proposal defense] Monitoring of concrete placement and vibration for real-time quality control (Sang Gyu Lee)

Concrete placement and vibration are vital activities that turn site workmanship into an actual concrete product. Inappropriate actions during placement and vibration of concrete cause quality problems such as honeycombs and cold joints, and they can lead construction projects to delays, cost overruns, and disputes. For this reason, contractors put efforts in monitoring and ensuring

[Research Proposal] Lessons Learned from Unsuccessful Bids: Average-Bid Value and Coefficient of Variation as Predictors of Project’s Final Cost (Jasper Kim)

For a large and complex project, any responsive and responsible bidder would consume significant resources to put together a bid that is most reasonable in their own judgement. It is therefore likely that unsuccessful bids can convey important information to the owner organization regarding the project at hand. Thus, it follows that unsuccessful bids are

Success/failure Factors for 3D Printing Technology Adaptation in Construction Overview (Pankhuri)

Additive Manufacturing is a rapidly growing technology, but the construction industry has not succeeded in fully adapting it yet. This research identifies and analyses 43 factors which may affect acceptance of this technology in construction. These factors are listed under 9 categories based on studies and theories such as relative advantage, ease of use/level of

3D PRINTING TECHNOLOGY CAPABILITY MAP FOR USE BY THE CONSTRUCTION INDUSTRY (Svetlana)

Additive Manufacturing (3D printing) in construction, a layer-by-layer creation of building components or entire structures, has rapidly developed in recent years. Organizations worldwide are engaged in research and development, as well as in the application of 3D-printed construction products. However, they operate alone without productive collaboration with other like-minded entities or those with complementary capabilities.

Research Progress: Emotion in Construction Contracts: Lexicon-based Sentiment Analysis of Standardized Construction Delay Clauses (Jasper)

From estimating to closing out, managing a construction project is a process filled with emotion. Building from the ranking in the positivity of various standardized delay clauses reported by Menches and Dorn in 2013, it was hypothesized that a construction contract perceived more positive would be found with a higher proportion of positive words and

Research progress: Data collection using stereo vision and GPS (Sang Gyu)

The preliminary test results about stereo vision was presented. This presentation included image rectification, creating a depth map, 3D reconstruction, and steps for matching 3D model and camera coordinates. From this experiment, the 3D model and its picture was matched, and the points in two different coordinate systems were compared by calculating the conversion matrix.