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Alkaissy, M, Arashpour, M, Zeynalian, M and Li, H (2022) Worksite Accident Impacts on Construction and Infrastructure: Nondeterministic Analysis of Subsectors and Organization Sizes. Journal of Construction Engineering and Management, 148(06).

Aroke, O, Hasanzadeh, S, Esmaeili, B, Dodd, M D and Brock, R (2022) Using Worker Characteristics, Personality, and Attentional Distribution to Predict Hazard Identification Performance: A Moderated Mediation Analysis. Journal of Construction Engineering and Management, 148(06).

Candaş, A B and Tokdemir, O B (2022) Automating Coordination Efforts for Reviewing Construction Contracts with Multilabel Text Classification. Journal of Construction Engineering and Management, 148(06).

Chen, G, Chen, J, Tang, Y, Li, Q and Luo, X (2022) Identifying Effective Collaborative Behaviors in Building Information Modeling–Enabled Construction Projects. Journal of Construction Engineering and Management, 148(06).

Dou, Y and Bo, Q (2022) Characteristics and Dynamics of BIM Adoption in China: Social Network Analysis. Journal of Construction Engineering and Management, 148(06).

Hussein, M, Darko, A, Eltoukhy, A E E and Zayed, T (2022) Sustainable Logistics Planning in Modular Integrated Construction Using Multimethod Simulation and Taguchi Approach. Journal of Construction Engineering and Management, 148(06).

Jiang, S, Ma, G, Jia, J, Wu, M and Wu, Z (2022) Mobile ICT Overuse in the Construction Industry: Effects on Job Burnout of Project Managers. Journal of Construction Engineering and Management, 148(06).

Liu, G, Huang, R, Li, K, Shrestha, A and Fu, X (2022) Greenhouse Gas Emissions Management in Prefabrication and Modular Construction Based on Earned Value Management. Journal of Construction Engineering and Management, 148(06).

Liu, K and El-Gohary, N (2022) Bridge Deterioration Knowledge Ontology for Supporting Bridge Document Analytics. Journal of Construction Engineering and Management, 148(06).

Liu, T, Chong, H, Zhang, W, Lee, C and Tang, X (2022) Effects of Contractual and Relational Governances on BIM Collaboration and Implementation for Project Performance Improvement. Journal of Construction Engineering and Management, 148(06).

Lv, L, Wang, Z, Li, H, Zhang, C and Qiao, R (2022) Tournament Incentive Mechanisms Design for Long-Distance Water Diversion Projects Incorporating Preference Heterogeneity. Journal of Construction Engineering and Management, 148(06).

Shen, K, Li, X, Cao, X and Zhang, Z (2022) Prefabricated Construction Process Optimization Based on Rework Risk. Journal of Construction Engineering and Management, 148(06).

Wang, S, Ni, Z, Qu, T, Wang, H and Pan, Q (2022) A Novel Index to Evaluate the Workability of Conditioned Coarse-Grained Soil for EPB Shield Tunnelling. Journal of Construction Engineering and Management, 148(06).

  • Type: Journal Article
  • Keywords: Earth pressure balance (EPB) shield; Muck conditioning; Workability characteristics; Slump test; Evaluation index;
  • ISBN/ISSN: 0733-9364
  • URL: https://doi.org/10.1061/(ASCE)CO.1943-7862.0002287
  • Abstract:
    Although slump testing has been used extensively to assess the workability of conditioned soil in shield-driven tunnelling, this traditional evaluation method still requires many subjective descriptions. This study developed a novel and objective index to assess the workability of conditioned coarse-grained soil. A series of slump tests was performed on gravely sands with different conditioning parameters. The test results suggested that foam conditioning was suitable only for sands (lacking fine grains) with low water contents. Inspired by the observation that appropriately conditioned soils usually form a platform with a certain diameter on the top of slumped specimens, a novel evaluation index is proposed to evaluate the workability of conditioned coarse-grained soil. In contrast to the traditional method of using slump value to assess conditioned coarse-grained soil, a prominent advantage of this method is that it eliminates the need to judge whether water or foam bleeds from slumped specimens, and thus it is easier to implement on construction sites. The results of verifications with theoretical analysis and field applications on a construction site confirmed that this new method is practically effective for evaluating the conditioning state of coarse-grained soil in mechanized tunnelling with earth pressure balance (EPB) shield machines. The proposed F index provides a simple but quantitative evaluation perspective for the workability of conditioned soils, and thus is of significant engineering value.

Yang, Y, Pan, M and Pan, W (2022) Integrated Offsite Logistics Scheduling Approach for High-Rise Modular Building Projects. Journal of Construction Engineering and Management, 148(06).

Zhan, W, Pan, W and Hao, G (2022) Productivity Measurement and Improvement for Public Construction Projects. Journal of Construction Engineering and Management, 148(06).

Zhong, S and Elzarka, H (2022) A Hybrid Grey System Theory–Based Subcontractor Selection Model for High-Stakes Construction Projects. Journal of Construction Engineering and Management, 148(06).