Abstract: A cementitious composite includes a first layer, a second layer, and a cementitious mixture disposed between the first layer and the second layer. The cementitious mixture includes (i) cementitious materials and (ii) a viscosity modifier and/or an accelerator. The cementitious materials provide a void fraction between 0.64 and 1.35. The void fraction is defined as the ratio of the volume of the voids within the cementitious mixture per unit area of the cementitious composite to the volume of the cementitious materials per unit area of the cementitious composite. The cementitious mixture is configured to absorb a mass of water that provides a maximum 28 day compressive strength of the cementitious composite. A ratio of the mass of the water relative to the mass of the cementitious materials of the cementitious mixture per unit area of the cementitious composite that provides the maximum 28 day compressive strength of the cementitious composite is between 0.25 and 0.55.

Abstract: A kit for a structure includes a plurality of frame elements that facilitate constructing a frame structure of the structure and a plurality of cementitious composite mats. The plurality of frame elements and the plurality of cementitious composite mats are assemblable to provide the structure. In response to the plurality of cementitious composite mats being hydrated in-situ, the plurality of cementitious composite mats cure to provide cement panels for the structure.

Abstract: A cementitious composite includes a first layer, a second layer spaced from the first layer, a cementitious mixture disposed between the first layer and the second layer, and a structure layer disposed between the first layer and the second layer. The cementitious mixture is disposed within the structure layer. The cementitious mixture includes cementitious materials. The cementitious mixture is configured to absorb a mass of water that provides a maximum 28 day compressive strength of the cementitious composite upon curing which is represented by Mw=x·Mc. Mw is the mass of water per unit area of the cementitious composite. Mc is a mass of cementitious materials of the cementitious mixture per unit area of the cementitious composite. x is a ratio of the mass of water relative to the mass of cementitious materials of the cementitious mixture per unit area of the cementitious composite. x is between 0.25 and 0.55.

Abstract: A cementitious composite includes a structure layer, cementitious material, a first layer, and a second layer. The structure layer defines a plurality of open spaces. The cementitious material is disposed within the plurality of open spaces of the structure layer. The first layer is disposed along a first side of the structure layer. The second layer is disposed along an opposing second side of the structure layer. The second layer is positioned to prevent at least a portion of the cementitious material from migrating out of the structure layer.

Abstract: A cementitious composite includes a structure layer, a cementitious material, a water-impermeable sealing layer, and a containment layer. The structure layer has a first side and an opposing second side. The structure layer defines a plurality of open spaces. The cementitious material includes a plurality of cementitious particles disposed within the plurality of open spaces of the structure layer. The water-impermeable sealing layer is disposed along the first side of the structure layer. The containment layer is disposed along the opposing second side of the structure layer. The containment layer is positioned to prevent the plurality of cementitious particles from migrating out of the structure layer through the containment layer.

Abstract: A cementitious composite for in-situ hydration includes a first layer, a second layer, a cementitious mixture including cementitious material positioned between the first layer and the second layer, and a structure layer positioned between the first layer and the second layer. The cementitious mixture comprises a majority of a volume between the first layer and the second layer.

Abstract: A cementitious composite for in-situ hydration includes a structure layer having a first side and an opposing second side, a cementitious material disposed within the structure layer, a sealing layer disposed along and coupled to the first side of the structure layer, and a containment layer disposed along the opposing second side of the structure layer. The structure layer has an intersection at the sealing layer and the containment layer that is at least partially fiberless. The cementitious material includes a plurality of cementitious particles. The containment layer is configured to prevent the plurality of cementitious particles from migrating out of the structure layer.

Abstract: A cementitious composite for in-situ hydration includes a first layer, a second layer, a cementitious mixture, and an adhesive layer. The cementitious mixture is disposed along the first layer. The cementitious mixture includes a plurality of cementitious particles. The second layer is disposed along the cementitious mixture, opposite the first layer. The adhesive layer is positioned to secure at least one of (i) the first layer to the cementitious mixture, (ii) the second layer to the cementitious mixture, and (iii) the first layer and the second layer together. The first layer and the second layer are configured to at least partially prevent the plurality of cementitious particles from migrating out of the cementitious composite.

Abstract: A cementitious composite includes a first layer, a second layer, and a cementitious mixture disposed between the first layer and the second layer. The cementitious mixture includes (i) cementitious materials and (ii) a viscosity modifier and/or an accelerator. The cementitious materials provide a void fraction between 0.64 and 1.35. The void fraction is defined as the ratio of the volume of the voids within the cementitious mixture per unit area of the cementitious composite to the volume of the cementitious materials per unit area of the cementitious composite. The cementitious mixture is configured to absorb a mass of water that provides a maximum 28 day compressive strength of the cementitious composite. A ratio of the mass of the water relative to the mass of the cementitious materials of the cementitious mixture per unit area of the cementitious composite that provides the maximum 28 day compressive strength of the cementitious composite is between 0.25 and 0.55.

Abstract: A cementitious composite for in-situ hydration includes a structure layer having a first side and an opposing second side, a cementitious material disposed within the structure layer, a sealing layer disposed along and coupled to the first side of the structure layer, and a containment layer disposed along the opposing second side of the structure layer. The structure layer has an intersection at the sealing layer and the containment layer that is at least partially fiberless. The cementitious material includes a plurality of cementitious particles. The containment layer is configured to prevent the plurality of cementitious particles from migrating out of the structure layer.

Abstract: A cementitious composite for in-situ hydration includes a structure layer having a first side and an opposing second side, a cementitious material disposed within the structure layer, a sealing layer disposed along and coupled to the first side of the structure layer, and a containment layer disposed along the opposing second side of the structure layer. The structure layer has an intersection at the sealing layer and the containment layer that is at least partially fiberless. The cementitious material includes a plurality of cementitious particles. The containment layer is configured to prevent the plurality of cementitious particles from migrating out of the structure layer.

Abstract: A cementitious composite includes a first layer, a second layer spaced from the first layer, a cementitious mixture disposed between the first layer and the second layer, and a structure layer disposed between the first layer and the second layer. The cementitious mixture is disposed within the structure layer. The cementitious mixture includes cementitious materials. The cementitious mixture is configured to absorb a mass of water that provides a maximum 28 day compressive strength of the cementitious composite upon curing which is represented by Mw=x·Mc. Mw is the mass of water per unit area of the cementitious composite. Mc is a mass of cementitious materials of the cementitious mixture per unit area of the cementitious composite. x is a ratio of the mass of water relative to the mass of cementitious materials of the cementitious mixture per unit area of the cementitious composite. x is between 0.25 and 0.55.

Abstract: A cementitious composite includes a cementitious mixture of cementitious materials and non-cementitious materials. Prior to the in-situ hydration, Vb=Mc/?c·(1+Fv)+?in(Mnci/?nci) where Vb is the bulk volume of the cementitious mixture per unit area of the cementitious composite, Mc is a mass of the cementitious materials of the cementitious mixture per unit area of the cementitious composite, ?c is a density of the cementitious materials of the cementitious mixture, Mnci is a mass of each constituent type of the non-cementitious materials of the cementitious mixture per unit area of the cementitious composite, ?nci is a density of each constituent type of the non-cementitious materials of the cementitious mixture, and Fv is a ratio of the volume of the voids within the cementitious mixture relative to the volume of the cementitious materials of the cementitious mixture per unit area of the cementitious composite. Fv is between 0.64 and 1.35.

Abstract: A cementitious composite includes a structure layer, a cementitious material, a water-impermeable sealing layer, and a containment layer. The structure layer has a first side and an opposing second side. The structure layer defines a plurality of open spaces. The cementitious material includes a plurality of cementitious particles disposed within the plurality of open spaces of the structure layer. The water-impermeable sealing layer is disposed along the first side of the structure layer. The containment layer is disposed along the opposing second side of the structure layer. The containment layer is positioned to prevent the plurality of cementitious particles from migrating out of the structure layer through the containment layer.

Abstract: A cementitious composite for in-situ hydration includes a structure layer having a first side and an opposing second side, a cementitious material disposed within the structure layer, a sealing layer disposed along and coupled to the first side of the structure layer, and a containment layer disposed along the opposing second side of the structure layer. The structure layer has an intersection at the sealing layer and the containment layer that is at least partially fiberless. The cementitious material includes a plurality of cementitious particles. The containment layer is configured to prevent the plurality of cementitious particles from migrating out of the structure layer.

Abstract: A cementitious composite for in-situ hydration includes a first layer, a second layer spaced from the first layer, and a cementitious mixture disposed between the first layer and the second layer. The cementitious mixture includes cementitious materials. The cementitious mixture is configured to absorb a mass of water that provides a maximum 28 day compressive strength of the cementitious composite upon curing which is represented by Mw=x·Mc. Mw is the mass of the water per unit area of the cementitious composite. Mc is a mass of the cementitious materials of the cementitious mixture per unit area of the cementitious composite. x is a ratio of the mass of the water relative to the mass of the cementitious materials of the cementitious mixture per unit area of the cementitious composite that provides the maximum 28 day compressive strength of the cementitious composite. x is between 0.25 and 0.55.

Abstract: A cementitious composite material for in-situ hydration includes a mesh layer, a cementitious material, a sealing layer, and a containment layer. The mesh layer has a first side and a second side. The mesh layer includes a plurality of discontinuous fibers arranged in a nonwoven configuration and coupled with one another. The cementitious material is disposed within the mesh layer. The cementitious material includes a plurality of cementitious particles. The sealing layer is disposed along the first side of the mesh layer and coupled to the plurality of discontinuous nonwoven fibers. The containment layer is disposed along the second side of the mesh layer and configured to prevent the plurality of cementitious particles from migrating out of the mesh layer.

Abstract: A cementitious composite for in-situ hydration includes a first layer, a second layer spaced from the first layer, and a cementitious mixture disposed between the first layer and the second layer. The cementitious mixture includes cementitious materials. The cementitious mixture is configured to absorb a mass of water that provides a maximum 28 day compressive strength of the cementitious composite upon curing which is represented by Mw=x·Mc. Mw is the mass of the water per unit area of the cementitious composite. Mc is a mass of the cementitious materials of the cementitious mixture per unit area of the cementitious composite. x is a ratio of the mass of the water relative to the mass of the cementitious materials of the cementitious mixture per unit area of the cementitious composite that provides the maximum 28 day compressive strength of the cementitious composite. x is between 0.25 and 0.55.

Abstract: A cementitious composite material for in-situ hydration includes a first layer having a nonwoven configuration and a cementitious material disposed within the first layer. The first layer has a first side and an opposing second side, and the first layer includes a plurality of discrete nodes spaced relative to one another along a first direction and a second direction. The cementitious composite material further includes a second layer disposed along the first side of the first layer and a third layer disposed along the opposing second side of the first layer and configured to prevent at least a portion of the plurality of cementitious particles from migrating out of the first layer. The cementitious material includes a plurality of cementitious particles, the first layer and the second layer include flexible materials, and the second layer is coupled to the first layer at the plurality of discrete nodes.

Abstract: A cementitious composite material for in-situ hydration includes a mesh layer, a cementitious material, a sealing layer, and a containment layer. The mesh layer has a first side and a second side. The mesh layer includes a plurality of discontinuous fibers arranged in a nonwoven configuration and coupled with one another. The cementitious material is disposed within the mesh layer. The cementitious material includes a plurality of cementitious particles. The sealing layer is disposed along the first side of the mesh layer and coupled to the plurality of discontinuous nonwoven fibers. The containment layer is disposed along the second side of the mesh layer and configured to prevent the plurality of cementitious particles from migrating out of the mesh layer.