Formwork Pressure of Self-Consolidating Concrete in Tall Wall Field Applications

Tejeda-Dominguez, Fernando; Lange, David A.; D'Ambrosia, Matthew D.

doi:10.3141/1914-01

Cited by 11 publications

(1 citation statement)

References 4 publications

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“…The formwork pressure was monitored using various approaches and different types of sensors; Table 5 demonstrates different types of measurement tools. Examples include pressure transducers, strain gauge-based pressure sensors, and flush diaphragm millivolt output type pressure sensors [ 13 , 37 , 76 , 78 ]. Sensors can be flush mounted on the formwork surface, or on horizontal structural members of the supporting system to measure developing strains.…”

Section: Formwork Pressure-monitoring and Measurementsmentioning

confidence: 99%

Lateral Formwork Pressure for Self-Compacting Concrete—A Review of Prediction Models and Monitoring Technologies

2021

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The maximum amount of lateral formwork pressure exerted by self-compacting concrete is essential to design a technically correct, cost-effective, safe, and robust formwork. A common practice of designing formwork is primarily based on using the hydrostatic pressure. However, several studies have proven that the maximum pressure is lower, thus potentially enabling a reduction in the cost of formwork by, for example, optimizing the casting rate. This article reviews the current knowledge regarding formwork pressure, parameters affecting the maximum pressure, prediction models, monitoring technologies and test setups. The currently used pressure predicting models require further improvement to consider several pressures influencing parameters, including parameters related to fresh and mature material properties, mix design and casting methods. This study found that the maximum pressure is significantly affected by the concretes’ structural build-up at rest, which depends on concrete rheology, temperature, hydration rate and setting time. The review indicates a need for more in-depth studies.

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Section: Formwork Pressure-monitoring and Measurementsmentioning

confidence: 99%

Lateral Formwork Pressure for Self-Compacting Concrete—A Review of Prediction Models and Monitoring Technologies

2021

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Formwork pressure induced by highly flowable concretes – material investigations and large‐scale tests

Brameshuber

Beitzel

et al. 2011

Structural Concrete

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This paper documents the results of a joint research project dealing with the loading of formwork systems used with highly flowable concretes. First calculation approaches concerning the pressure of fresh concrete on vertical formwork were developed on the basis of the investigations conducted on the material behaviour of highly flowable concretes. In doing so, construction management questions regarding, for instance, process design and quality assurance in the application of highly flowable concretes were also investigated. Different scientists from German research institutes collaborated in a research group to pool their knowledge in the field of the pressure of fresh concrete. Because of the extent and complexity of the tasks to be tackled, the joint research project was divided into five subprojects (A to E), which were performed by the research institutes according to their individual respective capacities.

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Selecting Admixtures to Achieve Application-Required Rheology

Koehler

Jeknavorian

Klaus

2010

Design, Production and Placement of Self-Consolidating Concrete

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Formwork Pressure of Self-Consolidating Concrete in Tall Wall Field Applications

Cited by 11 publications

References 4 publications

Lateral Formwork Pressure for Self-Compacting Concrete—A Review of Prediction Models and Monitoring Technologies

Lateral Formwork Pressure for Self-Compacting Concrete—A Review of Prediction Models and Monitoring Technologies

Formwork pressure induced by highly flowable concretes – material investigations and large‐scale tests

Selecting Admixtures to Achieve Application-Required Rheology

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