A portable skid-mounted concrete production system includes individual units for the production of concrete that are each mounted on a portable skid, which may be individually transported on cargo trucks to construction sites for on-site concrete production. The skids can be offloaded at a construction site and then supply lines for inputting various ingredients into the concrete mix may be connected between the skid units, as well as electrical power lines for providing power to equipment within the system. The system may be set up on-site to begin continuous production of concrete within hours of offloading the skids.

A mixer vehicle system includes a mixer vehicle and a remote management system. The mixer vehicle includes a chassis and a vehicle body. The vehicle body comprises a plurality of subcomponents. The plurality of subcomponents includes a cabin, a mixing drum, a charge hopper, and a chute. The mixing drum is movable relative to the chassis to agitate a mixture. The charge hopper is movable relative to an aperture of the mixing drum. The chute is pivotally coupled to the mixer vehicle. The remote management system is configured to monitor and adjust a property of the mixture. The remote management system includes a sensor and a device. The sensor is configured to detect information corresponding to the property of the mixture and generate an input signal. The device is configured to recover a signal from the remote quality management system and cause at least one mixture property to change.

A mobile aggregate hopper for a volumetric and gravimetric mixer having arcuate longitudinal walls for holding and isolating aggregate. The mobile aggregate hopper has a base integral with the arcuate longitudinal walls with an aggregate transfer conveyor capable of attachment to a trailer or chassis having wheels. The single sheet structure of the longitudinal arcuate side walls minimizes welding and mechanical joints during manufacturing and provides a hopper with high strength and capacity and low overall weight.

Construction systems for constructing a structure on a foundation and methods relating thereto are disclosed. In an embodiment, the construction system includes a rail assembly configured to be mounted to the foundation. In addition, the construction system includes a gantry movably disposed on the rail assembly configured to translate along a first axis relative to the rail assembly. Further, the construction system includes a printing assembly movably disposed on the gantry and configured to translate along a second axis relative to the gantry. The second axis is orthogonal to the first axis. The printing assembly is configured to deposit vertically stacked layers of an extrudable building material on the foundation to construct the structure. The gantry has a width along the second axis that is configured to be adjusted relative to the foundation.

A mobile aggregate hopper for a volumetric and gravimetric mixer having arcuate longitudinal walls for holding and isolating aggregate. The mobile aggregate hopper has a base integral with the arcuate longitudinal walls with an aggregate transfer conveyor capable of attachment to a trailer or chassis having wheels. The single sheet structure of the longitudinal arcuate side walls minimizes welding and mechanical joints during manufacturing and provides a hopper with high strength and capacity and low overall weight.

A gunite trailer includes a frame operable to be coupled to a vehicle. A compressor is disposed on the frame, a cement bin is coupled to the frame and operable to deliver cement, a sand bin is coupled to the frame and operable to deliver sand, and a mixing bin is coupled to the frame and operable to receive the sand from the sand bin and the cement from the cement bin. A delivery connection is operable to receive the sand and the cement from the mixing bin. The delivery connection is operable to be coupled with a delivery system. The delivery system is operable to combine the sand and the cement with a fluid at a point of application to form gunite. The delivery system is operable to convey the gunite to a surface.

A continuous mixer that is installed in the bed of a dump truck. The mixer has a hopper for cement, a pair of belts to move the other mixing materials, and a chute with an auger for mixing the cement and mixing materials with water and depositing the mixture where desired. The hopper stands upright in the bed when the bed is down and tilted at about 45° when the bed is up. An auger at the bottom of the hopper feeds cement to an opening at the bottom of the hopper, The belts sit below the hopper and are oriented with the belts parallel to the ground during operation, The belts feed mixing materials from the bed to a mixing chute below the belts. An auger combines the dry materials and water to form the concrete as they travel the length of the chute to the discharge end.

Construction systems for constructing a structure on a foundation and methods relating thereto are disclosed. In an embodiment, the construction system includes a rail assembly configured to be mounted to the foundation. In addition, the construction system includes a gantry movably disposed on the rail assembly configured to translate along a first axis relative to the rail assembly. Further, the construction system includes a printing assembly movably disposed on the gantry and configured to translate along a second axis relative to the gantry. The second axis is orthogonal to the first axis. The printing assembly is configured to deposit vertically stacked layers of an extrudable building material on the foundation to construct the structure. The gantry has a width along the second axis that is configured to be adjusted relative to the foundation.

This disclosure describes volumetric mobile powder mixer (VMPM) systems and methods for VMPM operation and use. The VMPM is providing with a number of storage compartments (or bins) for liquid or solid ingredients including at least one powder storage bin, a powder transport system, a dust handling system, a solid/liquid mixing system, a cellular foam generator, a product delivery system, and a controller capable of monitoring the delivery and mixing of each of the ingredients, as well as the discharge of the final product. The controller determines if the proper mixture is being discharged by the VMPM and, if not, alerts the VMPM operator. In an automated embodiment, the VMPM controller is also configured to independently control the delivery and mixing of each of the ingredients, as well as the delivery of the final product.

A system and method for applying a construction material is provided. The system may include a batching and mixing device configured to mix blast furnace slag material, geopolymer material, alkali-based powder, and sand to generate a non-Portland cement-based material, the non-Portland cement-based material including 4% to 45% geopolymer material by weight; greater than 0% to 40% blast furnace slag material by weight, 10% to 45% alkali by weight, 20% to 90% sand by weight, less than 1% sulfate by weight, and/or no more than 5% calcium oxide by weight; a conduit configured to transport the non-Portland cement-based material from the batching and mixing device; and a nozzle configured to receive the non-Portland cement-based material and combine the transported non-Portland cement-based material with liquid to generate a partially liquefied non-Portland cement-based material, wherein the nozzle is further configured to pneumatically apply the partially liquefied non-Portland cement-based material to a surface.