Constructing A Superflat Concrete Floor Slab

The next critical step is to float the slab with a power trowel and cross rod to obtain the high flatness requirements of a super flat floor.

Constructing a superflat concrete floor slab.

Describes the construction of a warehouse floor that includes post tensioned slabs with specified minimum flatness of f 100 and explains the techniques necessary for meeting superflat floor slab specifications. True for the amount of concrete that must be removed to make an ordinary random traffic ff fl floor a defined traffic superflat floor. Same route over and ove r the smoothness of the wheel paths in superflat aisles becomes extremely important. We strongly recommend the following for building owners and their representatives when specifying and designing superflat floors.

Aci 302 1r 04 guide for concrete floor and slab construction defines several classes of floors based on their intended use and the suggested method used for final. Which provides professional services for. Al though superflat slabs are placed in long narrow strips approximately 15. Currently fewer than 1 of the floors constructed in the us are classified as defined traffic.

Random traffic and defined traffic. This industry standard revolutionized the way the concrete construction world understands and perfects concrete floor finishing. As building owners become aware of the benefits of superflat defined traffic specifications for concrete floors the popularity of these specifications will. While moving down the aisles these lift trucks can.

Aci s guide for floor and slab construction aci 302 1r 96 defines a superflat floor class 9 as one with fmin number greater than 100. See astm e 1155 standard test method for determining ff floor flatness and fl floor levelness numbers. Flat and level concrete floors are vital for warehouses. Construction methods for narrow aisle high rack automatic guided vehicle agv environments necessitate the use of strip pour techniques because of the difficulty in achieving these very.

Strip pouring is mandatory. The slab is troweled over several times with a power trowel and cross rodded to achieve the required super flat tolerance. Such floors have very specialized applications narrow aisle warehouses but the techniques used to place these special floors can be used in less demanding applications or when required in specifications.