Menu 
SCHWENK
Construction consulting
We can advise you on all your projects.
Since our company was founded, we at SCHWENK have recognised the importance of consulting and rely on qualified and experienced construction consultants who are on hand to offer you advice and assistance. We support you before, during and after your project and develop our products specifically according to your requirements.
Find your regional expert.
Our consultants will be happy to assist you with your questions and projects. Enter your location and find your regional specialist.
Easy calculations
Fresh-concrete temperature calculator
The temperature of the fresh concrete must not be below +5 °C upon delivery. In addition, the upper limit of +30 °C must not be exceeded in general, unless suitable measures are taken to ensure that no adverse effects are to be expected.
The fresh concrete temperature calculator allows an approximate estimate of the fresh concrete temperature to be made if the temperatures of the raw materials are known. It is also possible to determine target temperatures using an inverse function. This can be used to determine the desired temperature for the aggregate or the mixing water.
The temperature change resulting from mixing energy and transport is not taken into account.
Calculation aid for aftertreatment of concrete
The calculation aid allows you to determine the required curing time in accordance with DIN 1045-3 by entering the surface or fresh concrete temperature in conjunction with the strength development of the concrete. The strength development of the concrete (r-value) is noted on the concrete supplier’s product list and delivery note. These are the ratio values of the compressive strengths after 2 and 28 days. For information on the procedure and duration of follow-up treatment, please also refer to the explanations in DIN 1045-3.
Minimum duration of concrete curing for exposure classes according to DIN 1045-2, except XO, XC1, and XM, depending on the surface temperature of the component (calculation aid 1)
Minimum duration of concrete curing for exposure classes XC2, XC3, XC4, and XF1 depending on the fresh concrete temperature – Simplified method (calculation aid 2)
