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Abu‐Hijleh, S F and Ibbs, C W (1989) Schedule‐Based Construction Incentives. Journal of Construction Engineering and Management, 115(03), 430–43.

Davis, K, Ledbetter, W B and Burati, J L (1989) Measuring Design and Construction Quality Costs. Journal of Construction Engineering and Management, 115(03), 385–400.

Eldin, N N (1989) Measurement of Work Progress: Quantitative Technique. Journal of Construction Engineering and Management, 115(03), 462–74.

Hughes, P J, O'Connor, J T and Traver, A E (1989) Pipe Manipulator Enhancements for Increased Automation. Journal of Construction Engineering and Management, 115(03), 412–23.

Ioannou, P G (1989) Evaluation of Subsurface Exploration Programs. Journal of Construction Engineering and Management, 115(03), 339–56.

Johnston, D W, Kahn, K P and Phillips, J B (1989) Formwork Pressures in Tall and Thick Concrete Walls. Journal of Construction Engineering and Management, 115(03), 444–61.

  • Type: Journal Article
  • Keywords: Concrete; Concrete structures; Walls; Formwork, construction; Concrete construction; Safety;
  • ISBN/ISSN: 0733-9364
  • URL: https://doi.org/10.1061/(ASCE)0733-9364(1989)115:3(444)
  • Abstract:
    Investigations are carried out on two concrete wall placements each 20.5 ft high, with thicknesses of 5 ft and 4 ft, respectively, to determine the loads and pressures exerted by the fresh concrete on the forms. Form tie forces are measured at intervals during the concrete placement, by instrumenting form ties with electrical resistance strain gages. Concrete pressures on the forms are determined from these forces by using the respective tie tributary areas. Maximum pressures of 1,062 psf for Wall I and 891 psf for Wall II are measured. The pressure influencing variables such as concrete density, mix design, admixtures, slump, stiffening time of concrete, concrete temperature, pour rate, consolidation method, and formwork dimensions are determined and used in comparing the measured wall pressures. Comparisons are also made between field results and currently recommended and proposed procedures for estimating wall form pressure.

Reda, R and Carr, R I (1989) Time‐Cost Trade‐Off Among Related Activities. Journal of Construction Engineering and Management, 115(03), 475–86.

Rutherford, A W (1989) Organizational Evolution I‐595 Port Everglades Expressway. Journal of Construction Engineering and Management, 115(03), 357–69.

Shanmuganayagam, V (1989) Current Float Techniques for Resources Scheduling. Journal of Construction Engineering and Management, 115(03), 401–11.

Thomas, H R, Sanvido, V E and Sanders, S R (1989) Impact of Material Management on Productivity—A Case Study. Journal of Construction Engineering and Management, 115(03), 370–84.