Concrete Curing Box Specifications

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.

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. C171 standard specification for sheet materials for curing concrete. During initial curing the cylinders must be stored in a temperature range from 60 80 degrees f in an environment that prevents moisture loss for up to 48 hours. Provide data on curing compounds sheet materials and methods of securing sheet.

C309 standard specification for liquid membrane forming compounds for curing concrete. D2103 standard specification for polyethylene film and sheeting. H 2968 concrete curing box deluxe. Section 1 shall be included with the selected sections.

Lightweight portable up to 22 standard 6 x 12 152 x 305mm test specimens can be stored. Curing boxes are a portable solution for protecting newly made concrete test specimens during the critical initial curing phase. E5 internal cure simplifies the specification and completion of concrete slabs for all parties by ensuring a quality finish that is sustainable quantifiable and duplicatable each and every time. If the concrete design strength is 6 000 psi or greater the initial curing temperature must range from 68 78 degrees f.

E5 x combines e5 internal cure with e5 x steel twisted fibers provides the efficiency of curing with the strength of. H 2967 concrete curing box heating only. Astm c192 6 is intended for laboratory samples while astm c31 7 is intended for field samples. Specimens should be shielded from direct sunlight or.

Curing boxes used to maintain temperature and humidity of concrete cylinder specimens for 48 hours. Concrete curing boxes are sturdy lightweight boxes that maintain temperature conditions as specified in astm c31 and aashto t 23 standards. 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. Concrete cylinder curing boxes.

Curing concrete test specimens curing of concrete test specimens is usually different from concrete placed during construction. The specifier is to use aci 308 92 standard practice for. American society for testing and materials astm has developed two standards for making and curing concrete specimens.