Concrete Curing Box Specifications
E5 x combines e5 internal cure with e5 x steel twisted fibers provides the efficiency of curing with the strength of.
Concrete curing box specifications. Economy curing box has a 1 500 watt heater cooling by fresh water circulation only h 2970a concrete cylinders field curing chest. The specifier is to deter mine the desired results of the curing and select the appropri ate section or sections to achieve those results. Section 1 shall be included with the selected sections. Curing boxes are a portable solution for protecting newly made concrete test specimens during the critical initial curing phase.
H 2967 concrete curing box heating only. C309 standard specification for liquid membrane forming compounds for curing concrete. Astm c192 6 is intended for laboratory samples while astm c31 7 is intended for field samples. The specification is written to allow each method of curing to be a stand alone specification.
The specifier is to use aci 308 92 standard practice for. Lightweight perfa cure curing boxes maintain required initial curing temperatures of 60 to 80 f 16 to 27 c and provide portable storage and protection for concrete test specimens. Plastic construction with 14 gauge steel bottom rack bottom drain valve lockable lid preset temperature control 73 f 23 c maintained at 2 f 1 1 c dial thermometer and a capacity of 22 standard 6 in x 12 in 15 2 x 30 5 cm. C171 standard specification for sheet materials for curing concrete.
Users simply plug in the unit and set the thermostat to the desired temperature. Specimens should be shielded from direct sunlight or. Curing concrete test specimens curing of concrete test specimens is usually different from concrete placed during construction. H 2968 concrete curing box deluxe.
If the concrete design strength is 6 000 psi or greater the initial curing temperature must range from 68 78 degrees f. Curing boxes used to maintain temperature and humidity of concrete cylinder specimens for 48 hours. D2103 standard specification for polyethylene film and sheeting. Concrete curing boxes are sturdy lightweight boxes that maintain temperature conditions as specified in astm c31 and aashto t 23 standards.
Provide data on curing compounds sheet materials and methods of securing sheet. Lightweight portable up to 22 standard 6 x 12 152 x 305mm test specimens can be stored. Concrete cylinder curing boxes.