Next Article in Journal
Surface Characteristics and Hydrophobicity of Ni-Ti Alloy through Magnetic Mixed Electrical Discharge Machining
Next Article in Special Issue
Mechanical Properties of Gas Main Steels after Long-Term Operation and Peculiarities of Their Fracture Surface Morphology
Previous Article in Journal
Experimental Study on Drilling MDF with Tools Coated with TiAlN and ZrN
Open AccessArticle

Flexural Strength Prediction Models for Soil–Cement from Unconfined Compressive Strength at Seven Days

1
Department of Civil Engineering, University of Burgos, 09001 Burgos, Spain
2
Mechanical Engineering Department, University of the Basque Country UPV/EHU, 48013 Bilbao, Spain
*
Author to whom correspondence should be addressed.
Materials 2019, 12(3), 387; https://doi.org/10.3390/ma12030387
Received: 13 December 2018 / Revised: 13 January 2019 / Accepted: 21 January 2019 / Published: 26 January 2019
(This article belongs to the Special Issue Probabilistic Mechanical Fatigue and Fracture of Materials)
Soil–cement is an environmentally friendly road construction technique for base and subbase materials, which allows employing soils placed in the right-of-way of the road or in the surroundings, by improving its engineering properties. With this technique, it is possible to reduce the over-exploitation of quarries, the necessity of landfills and the pollutant gas emission due to the reduction of aggregate fabrication and transport. The manufacturing of soil–cement is generally controlled by means of the Uniaxial Compressive Strength (UCS) test at seven days, according to the regulations of each country. Nonetheless, one of the properties that best defines the performance of soil–cement is the Flexural Strength (FS) at long term, usually at 90 days. The aim of this paper is to develop new equations to correlate the UCS and the FS at long term and the UCS at seven days and at 90 days. Obtained results validate the proposed models and, hence, the flexural strength can be predicted from the Uniaxial Compressive Strength at seven days, allowing, if necessary, correcting measures (recalculation or rejection) in early stages of the curing time to be taken. View Full-Text
Keywords: soil–cement; cement treated materials; cement treated base materials; flexural strength; unconfined compressive strength; long term; short term soil–cement; cement treated materials; cement treated base materials; flexural strength; unconfined compressive strength; long term; short term
Show Figures

Figure 1

MDPI and ACS Style

Linares-Unamunzaga, A.; Pérez-Acebo, H.; Rojo, M.; Gonzalo-Orden, H. Flexural Strength Prediction Models for Soil–Cement from Unconfined Compressive Strength at Seven Days. Materials 2019, 12, 387.

Show more citation formats Show less citations formats
Note that from the first issue of 2016, MDPI journals use article numbers instead of page numbers. See further details here.

Article Access Map by Country/Region

1
Back to TopTop